Rotary dehumidification apparatus

Abstract

The present application relates to the technical field of air conditioning. Disclosed is a rotary dehumidification apparatus, comprising a dehumidification channel, a regeneration channel, a dehumidification module, and an indoor air channel. The dehumidification channel has a fresh air inlet and an air exhaust outlet. The regeneration channel has a first air intake position and a moisture exhaust outlet. The dehumidification module comprises a rotatably arranged primary dehumidification rotor, which has a first moisture absorption zone and a first regeneration zone arranged in its circumferential direction, the first moisture absorption zone being located between the fresh air inlet and the air exhaust outlet, and the first regeneration zone being located between the moisture exhaust outlet and the first air intake position. The indoor air channel is in communication with the first air intake position. The technical solution of the present application facilitates the regulation of indoor humidity and air pressure.

Description

Rotary dehumidifier

[0001] Related applications

[0002] This application claims priority to Chinese patent application No. 202422501396.X, filed on October 16, 2024, the entire contents of which are incorporated herein by reference. Technical Field

[0003] This application relates to the field of air conditioning technology, and in particular to a rotary dehumidifier. Background Technology

[0004] To meet the demands of the production process, the relative humidity in the production workshops of various processes in a battery factory needs to be controlled to meet environmental humidity management requirements. Related technologies involve installing dehumidification systems to introduce fresh outdoor air, dehumidify it, and then discharge it into the room. Other exhaust devices are also needed to expel indoor air and maintain stable air pressure; this results in the need for numerous pieces of equipment and inconvenient application.

[0005] Application content

[0006] The main purpose of this application is to propose a rotary dehumidifier designed to facilitate the regulation of indoor humidity and air pressure.

[0007] To achieve the above objectives, the rotary dehumidifier proposed in this application includes:

[0008] A dehumidification channel, wherein the dehumidification channel has a fresh air inlet and an exhaust outlet;

[0009] A regeneration channel having a first air inlet and a moisture outlet;

[0010] A dehumidification module, comprising a rotatable primary dehumidification rotor, the primary dehumidification rotor having a first moisture absorption zone and a first regeneration zone arranged circumferentially thereon, the first moisture absorption zone being located between the fresh air inlet and the exhaust outlet, and the first regeneration zone being located between the exhaust outlet and the first air inlet; and

[0011] An indoor air duct, which is connected to the first air inlet.

[0012] In this application's technical solution, relatively dry indoor air is used as regenerated air to dry and regenerate the regeneration zone of the dehumidifying rotor. This portion of indoor air can be discharged outdoors through the exhaust port of the regeneration channel. That is, the rotor dehumidifier can simultaneously introduce fresh air and exhaust indoor air to balance indoor air pressure and humidity, maintaining stable indoor air pressure and humidity without requiring additional indoor air exhaust systems, making it convenient to use. Furthermore, the low-humidity indoor return air can be reused; the indoor air has a certain temperature, reducing the energy consumed to raise the temperature of the regenerated air.

[0013] According to some embodiments of this application, the rotary dehumidifier further includes a processing air duct, the two ends of which are respectively connected to the dehumidification duct and the regeneration duct; the connection position between the processing air duct and the regeneration duct is located upstream of the first regeneration zone, so as to guide part of the processing air in the dehumidification duct into the regeneration duct.

[0014] This setup introduces a portion of the processing air from the dehumidification channel into the regeneration channel as regeneration air, which increases the volume of regeneration air and improves the utilization rate of the processing air.

[0015] According to some embodiments of this application, the dehumidification module further includes a first condensation module located upstream of the primary dehumidification impeller.

[0016] In this configuration, the outdoor fresh air flowing to the first-stage dehumidification rotor can first pass through the first condensing module for condensation and dehumidification, reducing the temperature and humidity of the fresh air, thereby reducing the dehumidification pressure of the first-stage dehumidification rotor and also reducing the moisture absorption of the first-stage dehumidification rotor, thus reducing the energy consumption for the regeneration of the first-stage dehumidification rotor.

[0017] According to some embodiments of this application, the dehumidification channel has a first connection position located between the first condensation module and the first-stage dehumidification impeller;

[0018] The regeneration channel has a second air inlet located upstream of the first regeneration zone, and the rotary dehumidifier includes a first processing air channel connecting the first connection position and the second air inlet position.

[0019] This configuration utilizes the first processing air duct to guide a portion of the airflow that has undergone preliminary condensation and dehumidification in the dehumidification duct into the regeneration duct for regenerating the primary dehumidification impeller, thereby improving the utilization rate of the processing air.

[0020] According to some embodiments of this application, along the rotation direction of the primary dehumidification impeller, the primary dehumidification impeller further includes a first cooling zone located between the first regeneration zone and the first moisture absorption zone, and the first processing air passage passes through the first cooling zone.

[0021] This configuration utilizes the heat absorbed by the airflow after it has been cooled by the first condensation module to heat up the airflow in the first processing air duct, thereby reducing the energy consumed to raise the temperature of the regenerated air. Furthermore, it can accelerate the cooling efficiency of the first cooling zone and reduce the temperature difference between the airflow flowing directly to the first moisture absorption zone and the first moisture absorption zone, thereby reducing the offsetting effect of heat and cold and reducing energy waste.

[0022] According to some embodiments of this application, the first processing air duct includes:

[0023] The first branch pipe is connected to the first connection position and passes through the first cooling zone;

[0024] The second branch pipe is connected to the air outlet of the first branch pipe and the second air inlet; and

[0025] The third branch pipe is connected to the air outlet of the first branch pipe and the second connection position of the dehumidification channel, and the second connection position is located downstream of the first moisture absorption zone;

[0026] The rotary dehumidifier also includes a flow control structure located in the first processing air duct, the flow control structure being used to control the conduction state of the second branch pipe and the third branch pipe.

[0027] Using the above method, the airflow direction in the first treatment air duct can be controlled by the diversion control structure. The airflow can be controlled to flow through the second branch pipe to the regeneration channel for rotor regeneration, or the airflow can be controlled to flow through the third branch pipe to the downstream of the first moisture absorption zone and be directly discharged into the room or further dehumidified by other dehumidification structures. This improves the flexibility and applicability of the rotary dehumidifier to suit different working conditions.

[0028] According to some embodiments of this application, the first condensing module includes a plurality of surface coolers arranged sequentially along the airflow direction, and the cooling temperatures of the plurality of surface coolers are set in a decreasing manner.

[0029] This method utilizes multi-stage surface coolers for step-by-step condensation and dehumidification, allowing the airflow to undergo multiple condensation and dehumidification processes before reaching the first-stage dehumidification impeller. This improves condensation and dehumidification efficiency. Furthermore, the cooling temperature of the upstream surface cooler does not need to be set too low, reducing cooling energy consumption.

[0030] According to some embodiments of this application, the dehumidification module further includes a secondary dehumidification impeller, the secondary dehumidification impeller having a second moisture absorption zone and a second regeneration zone arranged circumferentially thereon;

[0031] Along the flow direction of the airflow in the dehumidification channel, the second moisture absorption zone is located downstream of the first moisture absorption zone.

[0032] This setup, with its two dehumidifying impellers, dehumidifies the airflow multiple times, thus improving the dehumidification effect.

[0033] According to some embodiments of this application, the second regeneration zone is located upstream of the first regeneration zone along the flow direction of the airflow in the regeneration channel.

[0034] In this configuration, the regenerated airflow used to regenerate the second regeneration zone is redirected to the first regeneration zone for regeneration, which improves the utilization rate of airflow. Furthermore, the regenerated air temperature after regeneration in the second regeneration zone is relatively high, which reduces the energy consumed to raise the regenerated air temperature when regenerating the first regeneration zone.

[0035] According to some embodiments of this application, the first air inlet is located between the first regeneration zone and the second regeneration zone, and the regeneration channel has a third air inlet located upstream of the second regeneration zone.

[0036] This setup mixes indoor air with lower humidity with regenerated air flowing through the second regeneration zone to reduce the humidity of the airflow from the second regeneration zone to the first regeneration zone. This allows the airflow flowing to the first regeneration zone to effectively remove moisture from the first regeneration zone, resulting in a better drying and regeneration effect.

[0037] According to some embodiments of this application, the dehumidification channel has a second connection position located downstream of the second moisture absorption zone;

[0038] The rotary dehumidifier includes a second processing air duct that connects the second connection position and the third air inlet position.

[0039] This configuration, through a second processing air duct, directs the processed air from the dehumidification channel, which has undergone multi-stage dehumidification, to the second regeneration zone for regeneration treatment, thereby improving the utilization rate of the processed air in the dehumidification channel.

[0040] According to some embodiments of this application, the indoor air duct includes a first return air duct and a second return air duct, wherein the first return air duct is connected to the first air inlet and the second return air duct is connected to the third air inlet.

[0041] This setup involves directing a portion of the indoor air to the first regeneration zone via the first return air duct for regeneration, and then directing a portion of the indoor air to the second regeneration zone via the second return air duct for regeneration, thereby improving the utilization rate of indoor air.

[0042] According to some embodiments of this application, along the rotation direction of the secondary dehumidification impeller, the secondary dehumidification impeller further includes a second cooling zone located between the second regeneration zone and the second moisture absorption zone, and the second return air channel passes through the second cooling zone.

[0043] This configuration allows the airflow in the second return air duct to absorb heat from the second cooling zone, which can both raise the temperature of the airflow in the second return air duct, thereby reducing the energy consumed to raise the temperature of the regenerated air; and also accelerate the cooling efficiency of the second cooling zone, reduce the temperature difference between the airflow flowing to the second moisture absorption zone and the second moisture absorption zone, thereby reducing the offsetting of heat and cold and reducing energy waste.

[0044] According to some embodiments of this application, the dehumidification channel further includes a third connecting position located between the first moisture absorption zone and the second moisture absorption zone, and the rotary dehumidification device further includes a third processing air channel, which connects the third connecting position and the third air inlet position.

[0045] This setup, through a third processing air duct, directs the processed air, after being dehumidified by the primary dehumidifier rotor, to the second regeneration zone, thereby improving the utilization rate of the processed air in the dehumidification duct.

[0046] According to some embodiments of this application, along the rotation direction of the secondary dehumidification impeller, the secondary dehumidification impeller further includes a second cooling zone located between the second regeneration zone and the second moisture absorption zone, and the third processing air duct passes through the second cooling zone.

[0047] This configuration allows the airflow in the third processing air duct to absorb heat from the second cooling zone. This not only raises the temperature of the airflow in the third processing air duct, thereby reducing the energy consumed to increase the temperature of the regenerated air, but also accelerates the cooling efficiency of the second cooling zone, reduces the temperature difference between the airflow flowing to the second moisture absorption zone and the second moisture absorption zone, thereby reducing the offsetting effect of heat and cold and reducing energy waste.

[0048] According to some embodiments of this application, the dehumidification channel further includes a fourth connecting position located between the primary dehumidification rotor and the secondary dehumidification rotor;

[0049] The indoor air duct includes a third return air duct, which is connected to the fourth connection position.

[0050] This setup utilizes a third return air duct to introduce relatively low-humidity indoor air into the dehumidification duct, mixing it with the airflow in the dehumidification duct. This increases the airflow in the dehumidification duct and reduces the humidity of the airflow flowing to the secondary dehumidification rotor, thereby lowering the dehumidification pressure of the secondary dehumidification rotor.

[0051] According to some embodiments of this application, the dehumidification module further includes a second condensation module located between the first moisture absorption zone and the second moisture absorption zone.

[0052] In this configuration, the airflow to the secondary dehumidification rotor first passes through the second condensation module for condensation and dehumidification, reducing the airflow temperature and humidity, thereby reducing the dehumidification pressure of the secondary dehumidification rotor and also reducing the moisture absorption of the secondary dehumidification rotor, thus reducing the energy consumption for the regeneration of the secondary dehumidification rotor.

[0053] According to some embodiments of this application, the primary dehumidifying impeller has a first surface and a second surface disposed opposite to each other along its axial direction. Along the direction from the first surface to the second surface, the aperture of the mesopores of the primary dehumidifying impeller is reduced. The air inlet end of the first moisture absorption zone is located on the first surface, and the air inlet end of the first regeneration zone is located on the second surface.

[0054] In this configuration, during dehumidification, the airflow first passes through the layer with larger mesopores near the first surface. The larger pore size increases the specific surface area, allowing more moisture in the airflow to be adsorbed in this layer. As the airflow gradually flows towards the second surface, it flows into the layer with smaller pores, where smaller water molecules can also be adsorbed by the primary dehumidification rotor, improving the dehumidification effect. During regeneration in the first regeneration zone, the regeneration air first contacts the layer with smaller pores for heat exchange, allowing moisture from that layer to reach the surface area with larger pores. Dehydration of the surface area is relatively easier, and even if the regeneration air cools down after passing through the previous layer, it can still effectively remove moisture from the surface area, resulting in better dehydration and regeneration in the first regeneration zone.

[0055] According to some embodiments of this application, the regeneration channel is branched and has multiple primary regeneration pipelines. The first regeneration zone is provided with multiple first regeneration treatment zones along the circumference of the primary dehumidification impeller, and the multiple primary regeneration pipelines correspond one-to-one with the multiple first regeneration treatment zones.

[0056] In this configuration, each primary regeneration pipeline in the regeneration channel passes through a first regeneration treatment zone. During the regeneration treatment of the first regeneration zone, as the primary dehumidification wheel rotates, each first regeneration treatment zone passes through each primary regeneration pipeline in sequence, allowing it to be dehumidified multiple times to improve the regeneration effect.

[0057] According to some embodiments of this application, the regeneration air temperature of the multiple primary regeneration pipelines is set to decrease along the rotation direction of the primary dehumidification impeller.

[0058] In this configuration, during the regeneration process in the first regeneration zone, as the primary dehumidification rotor rotates, the first regeneration processing zone first rotates to align with the primary regeneration pipeline where the airflow temperature is higher. This allows the higher-temperature airflow to remove most of the moisture. Then, the first regeneration processing zone rotates to align with the primary regeneration pipeline where the airflow temperature is relatively lower, allowing for a second dehumidification process where any remaining moisture is carried away by the airflow. This configuration only requires localized heating of the first regeneration zone, reducing energy consumption during regeneration. Furthermore, because the airflow temperature downstream of the rotation direction is lower, the temperature of the regenerated rotor is also relatively lower. When the regenerated rotor rotates to the first moisture absorption zone, the temperature difference between it and the airflow in the dehumidification channel decreases, reducing the offsetting effect of heat and cold between the first moisture absorption zone and the airflow, thus minimizing energy waste.

[0059] According to some embodiments of this application, the regeneration channel further includes a mixing duct, and multiple primary regeneration ducts are connected to the outlet end of the mixing duct, with the first air inlet located in the mixing duct.

[0060] Using the above method, the airflow flowing to the first regeneration zone in the regeneration channel is first mixed evenly in the mixing duct before being distributed to each primary regeneration duct, so that the airflow distribution in each primary regeneration duct is uniform and each primary regeneration zone has a good regeneration effect.

[0061] According to some embodiments of this application, the rotary dehumidifier includes a first heating structure disposed in the mixing duct.

[0062] This setup utilizes a first heating structure to heat the regenerated air in the mixing channel before distributing it to each primary regeneration pipeline. This increases the temperature of the regenerated air, improves the regeneration effect in the first regeneration zone, and reduces the number of heating structures required in the primary regeneration pipelines.

[0063] According to some embodiments of this application, the multiple primary regeneration pipelines include a first regeneration pipeline and a second regeneration pipeline arranged sequentially along the rotation direction of the primary dehumidification impeller;

[0064] The rotary dehumidifier further includes a second heating structure located on the first regeneration pipeline. The second regeneration pipeline may not have a heating structure, or the second regeneration pipeline may have a third heating structure. The heating power of the third heating structure is less than that of the second heating structure.

[0065] This configuration, by incorporating a second heating structure within the first regeneration pipeline to raise the gas temperature, allows for independent control of the gas flow temperature within the first regeneration pipeline, providing greater flexibility in temperature control. A third heating structure with lower heating efficiency can be incorporated into the second regeneration pipeline to control its gas flow temperature and simultaneously raise the gas temperature within the second regeneration pipeline. This allows for effective and flexible control of the heating power of both the first and second heating components based on actual needs, enhancing the flexibility of temperature regulation.

[0066] According to some embodiments of this application, the dehumidification module further includes a third condensation module located between the primary dehumidification impeller and the exhaust port.

[0067] This setup utilizes a third condensing module to further condense and dehumidify the airflow before it enters the room through the dehumidification duct, improving dehumidification efficiency and controlling the temperature of the airflow entering the room. Of course, the third condensing module can be left off when further dehumidification and temperature adjustment are not required.

[0068] According to some embodiments of this application, the rotary dehumidifier further includes a fresh air duct, which is connected to the regeneration duct. Along the flow direction of the airflow in the regeneration duct, the connection point between the fresh air duct and the regeneration duct is located upstream of the first regeneration zone.

[0069] This setup allows for the use of fresh outdoor air to dry and regenerate the first regeneration zone of the primary dehumidifier rotor, thereby increasing the volume of regeneration air and improving the regeneration effect.

[0070] According to some embodiments of this application, the rotary dehumidifier further includes an airflow regulating valve disposed in the fresh air duct, the airflow regulating valve being used to control the conduction state of the fresh air duct.

[0071] This setup utilizes an airflow regulating valve to control the operation of the fresh air duct, allowing for flexible selection of whether or not to introduce outdoor fresh air, or to control the amount of outdoor fresh air introduced, thus improving operational flexibility. For example, when the outdoor fresh air humidity is low, the fresh air duct can be opened to introduce outdoor fresh air for regeneration treatment in the first regeneration zone. When the outdoor fresh air humidity is high, the opening of the fresh air duct can be reduced or closed to reduce or eliminate the introduction of fresh air, preventing excessive humidity in the regenerated air. Attached Figure Description

[0072] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0073] Figure 1 is a schematic diagram of the structure of a rotary dehumidifier provided in some embodiments of this application;

[0074] Figure 2 is a schematic diagram of another rotary dehumidifier provided in some embodiments of this application;

[0075] Figure 3 is a structural schematic diagram of another rotary dehumidifier provided in some embodiments of this application;

[0076] Figure 4 is a structural schematic diagram of another rotary dehumidifier provided in some embodiments of this application;

[0077] Figure 5 is a cross-sectional schematic diagram of the primary dehumidification rotor in a rotary dehumidification device provided in some embodiments of this application;

[0078] Figure 6 is a schematic diagram of the structure of the primary dehumidification rotor in a rotary dehumidification device provided in some embodiments of this application;

[0079] Figure 7 is an exploded view of the primary dehumidification rotor in a rotary dehumidification device provided in some embodiments of this application;

[0080] Figure 8 is a cross-sectional schematic diagram of the secondary dehumidification rotor in a rotary dehumidification device provided in some embodiments of this application;

[0081] Figure 9 is a cross-sectional schematic diagram of another type of secondary dehumidification rotor in the rotary dehumidification device provided in some embodiments of this application;

[0082] Figure 10 is a fin structure diagram of the first surface cooler in a rotary dehumidifier provided in some embodiments of this application;

[0083] Figure 11 is a fin structure diagram of the second surface cooler in a rotary dehumidifier provided in some embodiments of this application;

[0084] Figure 12 is a partial structural diagram of the fins of the second surface cooler in a rotary dehumidifier provided in some embodiments of this application.

[0085] Reference numerals in the attached diagrams are as follows: 100. Rotary dehumidifier; 1. Dehumidification channel; 11. Fresh air inlet; 12. Exhaust outlet; 13. First connection point; 14. Second connection point; 15. Third connection point; 16. Fourth connection point; 2. Regeneration channel; 21. Primary regeneration pipeline; 211. First regeneration pipeline; 212. Second regeneration pipeline; 22. Mixing air pipeline; 23. First air inlet; 24. Second air inlet; 25. Third air inlet; 26. Secondary regeneration pipeline; 261. Third regeneration pipeline; 262. Fourth regeneration pipeline; 27. Exhaust outlet; 201. First heating structure; 202. Second heating structure; 203. Third heating structure; 204. Fourth heating structure; 3. Dehumidification Module; 31. Primary Dehumidification Rotor; 311. First Moisture Absorption Zone; 312. First Regeneration Zone; 3121. First Regeneration Processing Zone; 3121a. First Sub-zone; 313. First Cooling Zone; 314. First Adsorption Layer; 315. Second Adsorption Layer; 316. Mesopores; 32. First Condensation Module; 321. First Surface Cooler; 3211. First Fin; 322. Second Surface Cooler; 3221. Second Fin; 3222. Fin Body; 3223. Protruding Structure; 33. Secondary Dehumidification Rotor; 331. Second Moisture Absorption Zone; 332. Second Regeneration Zone; 3321. Second Regeneration Processing Zone; 3321a. Second Sub-zone; 333. Second Cooling Zone; 34. Second Condensation Module; 35. Third Condensation Module; 4. Indoor air duct; 41. First return air duct; 42. Second return air duct; 43. Third return air duct; 5. First treatment air duct; 51. First branch pipe; 52. Second branch pipe; 53. Third branch pipe; 54. Diversion control structure; 541. Airflow regulating valve; 6. Second treatment air duct; 7. Third treatment air duct; 8. Fresh air duct; 9. Fan; 10. Filter.

[0086] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0087] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0088] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0089] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0090] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0091] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0092] In the description of the embodiments of this application, the term "multiple" refers to two or more (including two), similarly, "multiple groups" refers to two or more (including two groups), and "multiple pieces" refers to two or more (including two pieces).

[0093] In the description of the embodiments of this application, the technical terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0094] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0095] Currently, judging from market trends, the application of power batteries is becoming increasingly widespread. Power batteries are not only used in energy storage systems such as hydropower, thermal power, wind power, and solar power plants, but also extensively used in electric vehicles such as electric bicycles, electric motorcycles, and electric cars, as well as in military equipment and aerospace. With the continuous expansion of power battery applications, market demand is also constantly increasing.

[0096] To meet the requirements of the production process, the relative humidity needs to be controlled in the production workshops of various processes in the battery factory. To meet the humidity control requirements, a dehumidification system is installed to introduce fresh outdoor air, dehumidify it, and then discharge it into the room. In addition, other exhaust devices are needed to expel indoor air to maintain stable air pressure. This results in the need to install a lot of equipment and is inconvenient to use.

[0097] Based on the above problems, please refer to Figures 1 to 4. This application proposes a rotary dehumidifier 100. The rotary dehumidifier 100 has a dehumidification channel 1, a regeneration channel 2, a dehumidification module 3, and an indoor air duct 4. The dehumidification channel 1 has a fresh air inlet 11 and an exhaust outlet 12. The regeneration channel 2 has a first air inlet 23 and a moisture outlet 27. The dehumidification module 3 includes a rotatable primary dehumidification rotor 31. The primary dehumidification rotor 31 has a first moisture absorption zone 311 and a first regeneration zone 312 arranged circumferentially thereon. The first moisture absorption zone 311 is located between the fresh air inlet 11 and the exhaust outlet 12, and the first regeneration zone 312 is located between the moisture outlet 27 and the first air inlet 23. The indoor air duct 4 is connected to the first air inlet 23.

[0098] Dehumidifying rotors have the advantages of strong dehumidification capacity and large dehumidification volume. The dehumidifying rotor contains an adsorption medium and is divided into a moisture absorption zone and a regeneration zone. Through slow rotation, the dehumidifying rotor circulates alternately between the moisture absorption zone and the regeneration zone. During operation, fresh air drawn in from the outside passes through the moisture absorption zone for dehumidification. The moisture in the fresh air is adsorbed by the dehumidifying rotor and becomes dry gas before being sent into the workshop. After moisture absorption, the dehumidifying rotor rotates to the regeneration zone, where it is dried by a relatively high-temperature dry airflow, causing the adsorption medium to dehydrate and regenerate. To achieve low dew point air delivery, the regeneration zone of the rotary dehumidifier requires a high-temperature dry airflow, the temperature of which often exceeds 120℃ under certain operating conditions.

[0099] In this embodiment, the rotary dehumidifier 100 is provided with at least one dehumidifying rotor, which is a primary dehumidifying rotor 31. The primary dehumidifying rotor 31 has a moisture absorption zone and a regeneration zone distributed circumferentially. It should be noted that the rotary dehumidifier 100 may be provided with multiple dehumidifying rotors. The primary dehumidifying rotor 31 may be the first dehumidifying rotor along the dehumidification path, or it may be the second, third, or other dehumidifying rotors.

[0100] The rotary dehumidifier 100 is equipped with a dehumidification channel 1 for introducing fresh outdoor air. The dehumidification channel 1 has a fresh air inlet 11 for introducing fresh outdoor air and an exhaust outlet 12 for discharging dehumidified airflow. In practical applications, the exhaust outlet 12 is connected to the indoor environment to discharge the dehumidified airflow into the room. One or more fans 9 can be installed in the dehumidification channel 1 to generate suction for drawing in fresh outdoor air and to provide power for the airflow to move within the dehumidification channel 1. When the airflow flows along the dehumidification channel 1 through the primary dehumidification rotor 31, the moisture in the airflow is adsorbed in the first moisture absorption zone 311, thereby achieving the effect of dehumidifying the airflow.

[0101] The regeneration channel 2 in the rotary dehumidifier 100 is used to supply regeneration airflow. The regeneration channel 2 passes through the first regeneration zone 312 of the primary dehumidifier rotor 31, allowing the regeneration air to dry the adsorption medium in the first regeneration zone 312, thus dehydrating and regenerating the adsorption medium. After passing through the first regeneration zone 312, the regeneration air carrying moisture can be discharged from the exhaust port 27 of the regeneration channel 2. A fan 9 can also be installed in the regeneration channel 2 to provide power for the airflow within it. Optionally, a heating structure can be installed in the regeneration channel 2 to heat the regeneration air, thereby increasing its temperature and improving the regeneration effect on the first regeneration zone 312.

[0102] The rotary dehumidifier 100 also includes an indoor air duct 4, which is connected to the first air inlet 23 of the regeneration channel 2. The indoor air duct 4 receives indoor return air, which can be understood as a mixture of dried fresh air and the original air in the workshop. The humidity of the indoor return air is usually lower than that of the outdoor fresh air. That is, in this embodiment, the regeneration air in the regeneration channel 2 comes from the indoor return air. The relatively dry indoor air is used as the regeneration air to dry and regenerate the regeneration zone of the dehumidifier rotor. This part of the indoor air can be discharged outdoors from the exhaust port 27 of the regeneration channel 2. In other words, the rotary dehumidifier 100 can achieve the introduction of fresh air and the exhaust of indoor air to balance indoor air pressure and humidity, keeping indoor air pressure and humidity stable without the need for other indoor air exhaust systems. It also allows the low-humidity indoor return air to be reused. The indoor air has a certain temperature, which can reduce the energy consumed to raise the temperature of the regeneration air.

[0103] Optionally, the rotary dehumidifier 100 also includes a filter 10 installed at the fresh air inlet 11 to filter the introduced fresh air, remove dust or other impurities from the fresh air, and prevent dust and other impurities from adsorbing onto the dehumidifying rotor and other structures of the rotary dehumidifier 100.

[0104] Please refer to Figures 1 and 3. The rotary dehumidifier 100 also includes a processing air duct, the two ends of which are connected to the dehumidification duct 1 and the regeneration duct 2, respectively. The connection position between the processing air duct and the regeneration duct 2 is located upstream of the first regeneration zone 312, so as to introduce part of the processing air in the dehumidification duct 1 into the regeneration duct.

[0105] In this embodiment, a portion of the treated air in the dehumidification channel 1 can be introduced into the regeneration channel 2 as regeneration air through the treatment air duct, which can increase the air volume of the regeneration air and improve the utilization rate of the treated air.

[0106] The connection point between the processing air duct and the dehumidification duct 1 can be located upstream of the first moisture absorption zone 311. For example, a condensing module, dehumidifying impeller, or other dehumidification structure can be installed upstream of the first moisture absorption zone 312. The processing air duct connects the dehumidification structure and the first moisture absorption zone 312, as shown in the first connection position 13 between the first condensing module 32 and the first moisture absorption zone 312 in the following embodiment. Of course, if no other dehumidification structure is installed upstream of the first moisture absorption zone 311, it can also be connected upstream of the first moisture absorption zone 311. In this case, the airflow guided to the regeneration duct 2 through the processing air duct is fresh air. Since there is also relatively dry indoor air in the regeneration duct 2, the humidity of the regeneration air after the fresh air and indoor air are mixed will be lower than the humidity of the fresh air. Alternatively, the connection point between the processing air duct and the dehumidification duct 1 can be located downstream of the first moisture absorption zone 311. The processing air after being dehumidified by the first-stage dehumidifying impeller 31 has a lower humidity, which can play a better regeneration role.

[0107] Please refer to Figures 1 to 4. According to some embodiments of this application, the dehumidification module 3 also includes a first condensation module 32 located upstream of the primary dehumidification impeller 31.

[0108] In this embodiment, a first condensing module 32 is provided between the fresh air inlet 11 and the primary dehumidification impeller 31. This allows the outdoor fresh air flowing towards the primary dehumidification impeller 31 to first pass through the first condensing module 32 for condensation and dehumidification, resulting in condensate formation and reduced temperature and humidity. This lowers the dehumidification pressure of the primary dehumidification impeller 31 and also reduces its moisture absorption, thereby reducing the energy consumption for regeneration. The first condensing module 32 includes a surface cooler, and the number of surface coolers in the first condensing module 32 can be set according to requirements, for example, one, two, or more.

[0109] Please refer to Figure 1. According to some embodiments of this application, the dehumidification channel 1 has a first connection position 13 located between the first condensation module 32 and the first-stage dehumidification rotor 31; the regeneration channel 2 has a second air inlet position 24 located upstream of the first regeneration zone 312; and the rotor dehumidification device 100 includes a first processing air channel 5 connecting the first connection position 13 and the second air inlet position 24.

[0110] In this embodiment, the regeneration channel 2 has a first air inlet 23 and a second air inlet 24. The first air inlet 23 is used to introduce indoor air, and the second air inlet 24 is used to introduce the processed air that has been cooled and dehumidified by the first condensation module 32 in the dehumidification channel 1. The first air inlet 23 and the second air inlet 24 can be located at the same position or at different positions in the regeneration channel 2. The first processed air channel 5 guides part of the airflow that has undergone preliminary condensation and dehumidification in the dehumidification channel 1 into the regeneration channel 2 for regeneration of the primary dehumidification impeller 31, thereby improving the utilization rate of the processed air.

[0111] Referring to Figures 1 and 5, according to some embodiments of this application, along the rotation direction of the primary dehumidification impeller 31, the primary dehumidification impeller 31 further includes a first cooling zone 313 located between the first regeneration zone 312 and the first moisture absorption zone 311, and the first processing air passage 5 passes through the first cooling zone 313.

[0112] In this embodiment, the primary dehumidification impeller 31 also includes a first cooling zone 313. It is understood that after the first regeneration zone 312 is regenerated using regenerated air, the temperature of the impeller located in the first regeneration zone 312 rises. At this time, the first regeneration zone 312 is first turned to the location of the first cooling zone 313 so that this part of the impeller is pre-cooled to avoid the temperature of this part of the impeller being too high after it turns to the first moisture absorption zone 311, which would affect the moisture absorption effect.

[0113] In this embodiment, the first processing air duct 5 passes through the first cooling zone 313. The airflow cooled by the first condensation module 32 absorbs the heat of the first cooling zone 313, which can raise the temperature of the airflow in the first processing air duct 5, thereby reducing the energy consumed to raise the temperature of the regenerated air. In addition, it can accelerate the cooling efficiency of the first cooling zone 313, reduce the temperature difference between the airflow directly flowing to the first moisture absorption zone 311 and the first moisture absorption zone 311, thereby reducing the heat loss due to cold and heat and reducing energy waste.

[0114] Please refer to Figure 1. According to some embodiments of this application, the first processing air duct 5 includes a first branch pipe 51, a second branch pipe 52, and a third branch pipe 53. The first branch pipe 51 is connected to the first connection position 13 and passes through the first cooling zone 313. The second branch pipe 52 is connected to the air outlet end and the second air inlet position 24 of the first branch pipe 51. The third branch pipe 53 is connected to the air outlet end of the first branch pipe 51 and the second connection position 14 of the dehumidification duct 1. The second connection position 14 is located downstream of the first moisture absorption zone 311. The rotary dehumidifier 100 also includes a diversion control structure 54 disposed in the first processing air duct 5. The diversion control structure 54 is used to control the conduction state of the second branch pipe 52 and the third branch pipe 53.

[0115] In this embodiment, the "conduction state" of the second branch pipe 52 refers to the open / closed state and opening degree of the second branch pipe 52, and the "conduction state" of the third branch pipe 53 refers to the open / closed state and opening degree of the third branch pipe 53. For example, the second branch pipe 52 and the third branch pipe 53 can be controlled to be closed simultaneously, in which case the processing air of the dehumidification channel 1 will not be drawn out by the first processing air channel 5. Alternatively, one of the second branch pipe 52 and the third branch pipe 53 can be controlled to be open while the other is closed, so that the airflow of the first branch pipe 51 flows into the open branch pipe. In addition, the opening degree of the second branch pipe 52 and the third branch pipe 53 can be controlled to distribute the airflow to the second branch pipe 52 and the third branch pipe 53.

[0116] The diversion control structure 54 may include a control valve installed in the second branch pipe 52 and a control valve installed in the third branch pipe 53, which controls the conduction state of the corresponding branch pipe. The diversion control structure 54 may also be configured as a three-way valve, with the air inlet of the three-way valve connected to the air outlet of the first branch pipe 51, and the two air outlets of the three-way valve connected to the second branch pipe 52 and the third branch pipe 53 respectively. The conduction state of the second branch pipe 52 and the third branch pipe 53 is controlled by controlling the opening and closing state and opening degree of the two air outlets of the three-way valve.

[0117] Part of the treated air, which has been condensed by the first condensation module 32, is discharged from the dehumidification channel 1 through the first branch pipe 51. The flow direction of the treated air is controlled by the diversion control structure 54. The airflow can be controlled to flow through the second branch pipe 52 to the regeneration channel 2 for rotary regeneration, or the airflow can be controlled to flow through the third branch pipe 53 to the downstream of the first moisture absorption zone 311 and be directly discharged into the room or further dehumidified by other dehumidification structures, so as to be suitable for different working conditions and improve the flexibility and applicability of the rotary dehumidification equipment 100.

[0118] In practical applications, when it is not necessary to use the processing air after it has been processed by the first condensation module 32, the second branch pipe 52 and the third branch pipe 53 are closed at the same time. At this time, the processing air of the dehumidification channel 1 will not be drawn out by the first processing air channel 5.

[0119] When only the processing air is needed to cool the first cooling zone 313, the second branch pipe 52 is closed and the third branch pipe 53 is opened. This portion of the processing air flows through the first cooling zone 313 and then returns to the dehumidification channel 1 via the third branch pipe 53. When the processing air is needed to cool the first cooling zone 313 and also to regenerate the first regeneration zone 312, the second branch pipe 52 is opened. The processing air flowing through the first cooling zone 313 flows through the second branch pipe 52 to the first regeneration zone 312. At this time, the third branch pipe 53 can be closed or opened.

[0120] In some embodiments, the opening method can be selected based on the humidity of the processed air. For example, if other dehumidification structures, such as a condenser module or a dehumidification impeller, are provided downstream of the first moisture absorption zone 311, and the humidity of the outdoor fresh air is high, and the humidity of the processed air is still high after condensation by the first condenser module 32, the processed air is not suitable for regeneration. In this case, the second branch pipe 52 can be closed and the third branch pipe 53 can be opened, allowing the processed air in the first branch pipe 51 to flow into the third branch pipe 53 and into the downstream of the first moisture absorption zone 311 for further dehumidification by subsequent dehumidification structures. If the processed air is relatively dry after condensation by the first condenser module 32, the second branch pipe 52 can be opened, allowing the processed air to flow into the second branch pipe 52 for regeneration in the first regeneration zone 312. In this case, the third branch pipe 53 can be closed or opened.

[0121] Please refer to Figure 1. According to some embodiments of this application, the first condensing module 32 includes a plurality of surface coolers arranged sequentially along the airflow direction, and the cooling temperatures of the plurality of surface coolers are set in decreasing order.

[0122] In this embodiment, the first condensation module 32 includes a surface cooler with a coolant flow channel. By introducing a low-temperature coolant at the required temperature into the coolant flow channel, the area of ​​the surface cooler in contact with the airflow maintains the required cooling temperature. When the airflow passes through the surface cooler, it exchanges heat with the cooler, thus cooling the airflow and causing water in the airflow to condense, thereby achieving the purpose of cooling and dehumidifying the fresh air in the dehumidification channel 1. Optionally, the surface cooler can be provided with multiple fins arranged side by side, allowing airflow to flow between adjacent fins for heat exchange. The fins can be straight fins, corrugated fins, fin structures with protrusions 3223 as described in the following embodiment, or other shapes, and are not limited here.

[0123] In this embodiment, the first condensation module 32 is equipped with two or more surface coolers. Multi-stage surface coolers are used for step-by-step condensation and dehumidification, so that the airflow is condensed and dehumidified multiple times before flowing to the first-stage dehumidification rotor 31, thereby improving the condensation and dehumidification efficiency.

[0124] Simultaneously, the cooling temperature of the upstream surface cooler is set higher than that of the downstream surface cooler. Specifically, taking the first condensing module 32, which includes a first surface cooler 321 and a second surface cooler 322 downstream of the first surface cooler 321, as an example, the cooling temperature of the first surface cooler 321 is a first temperature, and the cooling temperature of the second surface cooler 322 is a second temperature. The first temperature is higher than the second temperature. The fresh air entering the dehumidification channel 1 first passes through the first surface cooler 321 to be cooled to the first temperature; the airflow at the first temperature then passes through the second surface cooler 322 to be cooled to the second temperature. This arrangement, on the one hand, eliminates the need to set the cooling temperature of the first surface cooler 321 to a lower second temperature when the first condensing module 32 is needed to cool the fresh air to the second temperature, thus reducing cooling energy consumption. On the other hand, the cooling temperature of the first surface cooler 321 can be relatively high to avoid a large temperature difference between the first surface cooler 321 and the fresh air, which would result in a large amount of heat and cold cancellation. By reducing the heat and cold cancellation, energy waste can be reduced. Similarly, since the airflow has been cooled to the first temperature by the first surface cooler 321, the temperature difference between the airflow flowing to the second surface cooler 322 and the second surface cooler 322 can also be reduced, thereby improving the cooling efficiency of the second surface cooler 322 for the airflow and reducing energy waste.

[0125] Understandably, the first condensing module 32 can be equipped with three or more surface coolers. With the arrangement of this embodiment, the cooling temperature of the upstream surface cooler does not need to be set low. Each surface cooler has high cooling efficiency, less energy waste, and the cooling energy consumption can be effectively reduced.

[0126] Referring to Figure 1, in some embodiments, the plurality of surface coolers include a first surface cooler 321 and a second surface cooler 322 located downstream of the first surface cooler 321, the second surface cooler 322 having a cooling temperature of 3°C to 8°C.

[0127] In this embodiment, the cooling temperature of the second surface cooler 322 can be set to any value between 3°C, 4°C, 5°C, 5.5°C, 6°C, 7°C, 8°C, and 3°C to 8°C; this can be achieved by introducing a low-temperature coolant of the corresponding temperature into the coolant flow channel in the second surface cooler 322. The cooling temperature of the first surface cooler 321 can be higher than the cooling temperature of the second surface cooler 322. For example, when the cooling temperature of the second surface cooler 322 is 6°C, the cooling temperature of the first surface cooler 321 can be, but is not limited to, 7°C, 8°C, 9°C, 10°C, 11°C, 12°C, 12.5°C, 13°C, 14°C, 15°C, 16°C, and other values ​​higher than 6°C, which are not limited here.

[0128] In this configuration, the airflow passing through the first condensation module 32 is cooled to a lower temperature, resulting in better cooling and dehumidification effects. This helps reduce the dehumidification pressure of the first-stage dehumidification impeller 31. When the processing air is used to cool the first cooling zone 313 of the first-stage dehumidification impeller 31, it also achieves a good cooling effect. When the processing air is used as regeneration air to regenerate the first regeneration zone 312 of the first-stage dehumidification impeller 31, it also avoids excessive humidity in the regeneration air, thus ensuring the regeneration effect.

[0129] In some embodiments, the cooling temperature of the first surface cooler 321 is 10°C to 15°C.

[0130] In this embodiment, the cooling temperature of the first surface cooler 321 can be set to any value between 10°C, 11°C, 12°C, 12.5°C, 13°C, 14°C, 15°C, and 10°C to 15°C. This can be achieved by introducing a low-temperature coolant of the corresponding temperature into the coolant channel of the first surface cooler 321. This configuration avoids a large temperature difference between the first surface cooler 321 and the second surface cooler 322, thereby preventing a large temperature difference between the processed air after passing through the first surface cooler 321 and the second surface cooler 322. This ensures that the processed air can be cooled to the preset temperature in the second surface cooler 322, improving the cooling efficiency of the second surface cooler 322 for the airflow and reducing energy waste.

[0131] In one embodiment, the spacing between two adjacent fins in at least one surface cooler does not exceed 1.8 mm.

[0132] In this embodiment, the plurality of surface coolers in the first condensing module 32 are configured such that the spacing between two adjacent fins in at least one surface cooler is set to no more than 1.8 mm. The fin spacing of the surface cooler can take values ​​of 1.8 mm, 1.7 mm, 1.6 mm, 1.55 mm, 1.5 mm, 1.4 mm, and any value greater than 0 but not exceeding 1.8 mm. This configuration allows for a higher fin density in the surface cooler, increasing the total heat exchange area of ​​the surface cooler, thereby improving heat exchange efficiency and cooling efficiency, and ensuring effective cooling of the airflow.

[0133] In practical applications, the fin spacing of each surface cooler in the first condensing module 32 can be set to no more than 1.8 mm, or the fin spacing of some surface coolers can be set to no more than 1.8 mm, and the fin spacing of other surface coolers can be set to greater than 1.8 mm.

[0134] Taking the first condensing module 32, which includes a first surface cooler 321 and a second surface cooler 322 located downstream of the first surface cooler 321, as an example, the fin spacing of the second surface cooler 322 can be set to no more than 1.8 mm to ensure that the second surface cooler 322 has good heat exchange efficiency and cooling efficiency. The fin spacing of the first surface cooler 321 can be set to be greater than the fin spacing of the second surface cooler 322. The fin spacing of the first surface cooler 321 can be within the range of no more than 1.8 mm, or it can be greater than 1.8 mm, for example, it can be set to 1.9 mm, 2 mm, 2.1 mm, 2.2 mm, 2.3 mm, 2.4 mm, 2.5 mm, and other values.

[0135] Alternatively, the fin spacing of the first surface cooler 321 can be the same as or smaller than the fin spacing of the second surface cooler 322. Or, in some embodiments, the fin spacing of the first surface cooler 321 can be set to no more than 1.8 mm, and the fin spacing of the second surface cooler 322 can be set to more than 1.8 mm; no specific limitation is made here.

[0136] In some embodiments, the plurality of surface coolers include a first surface cooler 321 and a second surface cooler 322 located downstream of the first surface cooler 321. The first surface cooler 321 has a plurality of first fins 3211 arranged side by side, and the second surface cooler 322 has a plurality of second fins 3221 arranged side by side. The spacing between two adjacent second fins 3221 is smaller than the spacing between two adjacent first fins 3211.

[0137] In this embodiment, the surface cooler in the first condensing module 32 has multiple fins arranged side by side, forming an airflow channel between adjacent fins. As the airflow passes through the airflow channel, it can exchange heat with the fins on both sides. Taking the first condensing module 32, which includes a first surface cooler 321 and a second surface cooler 322, as an example, the first surface cooler 321 includes multiple first fins 3211 arranged side by side, and the second surface cooler 322 includes multiple second fins 3221 arranged side by side. By setting the fin spacing of the second surface cooler 322 to a smaller value, the density of the second fins 3221 is increased, thereby increasing the total heat exchange area of ​​the second surface cooler 322. This improves the heat exchange efficiency and cooling efficiency, ensuring that the airflow can be cooled to the required temperature after passing through the second surface cooler 322, thus guaranteeing the cooling effect on the airflow. The arrangement of making the fin spacing of adjacent first fins 3211 greater than the fin spacing of two adjacent second fins 3221 is intended to illustrate that the structure of the first surface cooler 321 does not need to be too complex. A surface cooler with relatively weaker cooling efficiency can be used as the upstream surface cooler to simplify the structure of the upstream surface cooler and reduce the cost of the rotary dehumidifier 100.

[0138] Referring to Figures 11 and 12, in one embodiment, at least one surface cooler fin includes a fin body 3222 and a plurality of protrusion structures 3223 that are disposed opposite to the fin body 3222.

[0139] In this embodiment, the fins of the surface cooler include a fin body 3222 as the main structure. The fin body 3222 can be considered as a straight fin structure or a corrugated fin structure. Multiple protrusions 3223 are provided on the surface of the fin body 3222, which helps to increase the fin surface area, increase the contact area with the airflow, and increase airflow turbulence, thereby improving heat exchange efficiency and cooling efficiency. The shape of the protrusions 3223 can be rectangular, cylindrical, hemispherical, or other regular or irregular shapes. One type of protrusion 3223 or different shapes of protrusions 3223 can be provided in the same surface cooler.

[0140] Optionally, in specific applications, the fins of each surface cooler of the first condensing module 32 can be configured as the fins with the protruding structure 3223 described above, or some surface coolers can have the protruding structure 3223 on their fins, while the fins of other surface coolers can be without the protruding structure 3223.

[0141] Taking the first condensing module 32, which includes a first surface cooler 321 and a second surface cooler 322 located downstream of the first surface cooler 321, as an example, the fins of the second surface cooler 322 can be configured to include a fin body 3222 and a protrusion structure 3223, while the fins of the first surface cooler 321 do not have a protrusion structure 3223. This ensures that the second surface cooler 322 has better heat exchange efficiency and cooling efficiency, so that the airflow can be cooled to the required temperature after passing through the second surface cooler 322, ensuring the cooling effect on the airflow. Furthermore, it is not necessary to make the structure of the first surface cooler 321 too complex, thereby simplifying the structure of the upstream surface cooler and reducing the cost of the rotary dehumidifier 100.

[0142] Of course, in some embodiments, the first surface cooler 321 may also be configured to include a fin body 3222 and a protrusion structure 3223. Alternatively, the first surface cooler 321 may also be configured to include a fin body 3222 and a protrusion structure 3223, so that the fins of the second surface cooler 322 do not have a protrusion structure 3223.

[0143] Referring to Figures 10 and 11, in one embodiment, the plurality of surface coolers include a first surface cooler 321 and a second surface cooler 322 located downstream of the first surface cooler 321. The first surface cooler 321 has a plurality of first fins 3211 arranged side by side, and the second surface cooler 322 has a plurality of second fins 3221 arranged side by side. The surface area of ​​the first fins 3211 is smaller than the surface area of ​​the second fins 3221.

[0144] In this embodiment, the surface area of ​​the second fin 3221 in the second surface cooler 322 is made large to ensure that the second surface cooler 322 has good heat exchange efficiency and cooling efficiency, so that the airflow can be cooled to the required temperature after passing through the second surface cooler 322, ensuring the cooling effect on the airflow; and there is no need to make the structure of the first surface cooler 321 too complicated, so as to simplify the structure of the upstream surface cooler and reduce the cost of the rotary dehumidifier 100.

[0145] Optionally, the surface area of ​​the first fin 3211 can be smaller than that of the second fin 3221 by making the length of the first fin 3211 smaller than that of the second fin 3221; or by setting the first fin 3211 as a straight fin and the second fin 3221 as a corrugated fin; or, when both the first fin 3211 and the second fin 3221 are set as corrugated fins, a protruding structure 3223 can be provided on the surface of the fin body 3222 of the second fin 3221.

[0146] Please refer to Figures 1 and 3. According to some embodiments of this application, the dehumidification module 3 further includes a secondary dehumidification impeller 33. The secondary dehumidification impeller 33 has a second moisture absorption zone 331 and a second regeneration zone 332 arranged circumferentially thereon. Along the flow direction of the airflow in the dehumidification channel 1, the second moisture absorption zone 331 is located downstream of the first moisture absorption zone 311.

[0147] In this embodiment, when fresh air is introduced into the dehumidification channel 1 for dehumidification, the airflow in the dehumidification channel 1 passes through the first moisture absorption zone 311 of the first-stage dehumidification rotor 31, where the dehumidifying medium absorbs some of the moisture from the airflow. The airflow then flows to the second moisture absorption zone 331 of the second-stage dehumidification rotor 33, where the dehumidifying medium further absorbs at least some of the remaining moisture from the airflow, thus dehumidifying it again. By using two dehumidification rotors, the airflow undergoes multiple dehumidification processes, improving the dehumidification effect. Optionally, other dehumidification rotors can be installed after the second-stage dehumidification rotor 33 along the airflow direction in the dehumidification channel 1; additionally, other dehumidification rotors can also be installed between the first-stage and second-stage dehumidification rotors 31 and 33.

[0148] Optionally, in this embodiment, the first regeneration zone 312 and the second regeneration zone 332 can be arranged in the same regeneration channel 2. For example, the first regeneration zone 312 can be located downstream of the second regeneration zone 332, so that the regeneration air passing through the second regeneration zone 332 is blown towards the first regeneration zone 312 to regenerate the first regeneration zone 312, which can improve the utilization rate of the regeneration air. In this embodiment, the first air inlet 23 in the regeneration channel 2 used to connect the indoor air duct 4 can be located upstream of the second regeneration zone 332, or the first air inlet 23 can be located between the first regeneration zone 312 and the second regeneration zone 332; at this time, the regeneration channel 2 also has a third air inlet 25 located upstream of the second regeneration zone 332. The third air inlet 25 can be used to introduce at least one of indoor air, outdoor fresh air, and the treated air in the dehumidification duct 1.

[0149] When the first regeneration zone 312 and the second regeneration zone 332 are set in the same regeneration channel 2, the second regeneration zone 332 can also be located downstream of the first regeneration zone 312, so that the regeneration air passing through the first regeneration zone 312 is blown to the second regeneration zone 332 to regenerate the second regeneration zone 332, which can also improve the utilization rate of the regeneration air.

[0150] In some implementations, two regeneration channels 2 may be provided, with one regeneration channel 2 passing through the first regeneration zone 312 and the other regeneration channel 2 passing through the second regeneration zone 332 to perform regeneration treatment on the second regeneration zone 332; the source of the regeneration air passing through the second regeneration zone 332 may be at least one of indoor air, outdoor fresh air and the treatment air in the dehumidification channel 1.

[0151] Please refer to Figures 1 and 3. According to some embodiments of this application, the second regeneration zone 332 is located upstream of the first regeneration zone 312 along the flow direction of the airflow in the regeneration channel 2.

[0152] In this embodiment, the first regeneration zone 312 and the second regeneration zone 332 are located in the same regeneration channel 2, and the second regeneration zone 332 is located upstream of the first regeneration zone 312. This allows the regeneration air passing through the second regeneration zone 332 to be blown towards the first regeneration zone 312 for regeneration, thereby improving the utilization rate of the regeneration air. Furthermore, the temperature of the regeneration air after regeneration in the second regeneration zone 332 is relatively high, which reduces the energy consumed to raise the temperature of the regeneration air when regenerating the first regeneration zone 312.

[0153] In addition, since the airflow has already been dehumidified by the first-stage dehumidification rotor 31, the moisture absorbed by the second-stage dehumidification rotor 33 is relatively small. The regenerated air will not be too humid after passing through the second regeneration zone 332. Compared with the method of letting the regenerated air pass through the first regeneration zone 312 and then flow to the second regeneration zone 332, the regeneration air has a poor regeneration effect on the second regeneration zone 332.

[0154] Please refer to Figures 1 and 3. According to some embodiments of this application, the first air inlet 23 is located between the first regeneration zone 312 and the second regeneration zone 332, and the regeneration channel 2 has a third air inlet 25 located upstream of the second regeneration zone 332.

[0155] In this embodiment, the first air inlet 23 for introducing indoor air in the regeneration channel 2 is located between the first regeneration zone 312 and the second regeneration zone 332; at this time, the regeneration channel 2 also has a third air inlet 25 located upstream of the second regeneration zone 332, and the third air inlet 25 can be used to introduce at least one of indoor air, outdoor fresh air and the treated air in the dehumidification channel 1.

[0156] This setup mixes indoor air with lower humidity with regenerated air flowing through the second regeneration zone 332 to reduce the humidity of the airflow flowing from the second regeneration zone 332 to the first regeneration zone 312. This allows the airflow flowing to the first regeneration zone 312 to effectively remove moisture from the first regeneration zone 312, resulting in a better drying and regeneration effect.

[0157] Please refer to Figure 1. According to some embodiments of this application, the dehumidification channel 1 has a second connection position 14 located downstream of the second moisture absorption zone 331; the rotary dehumidification device 100 includes a second processing air channel 6 connecting the second connection position 14 and the third air inlet position 25.

[0158] In this embodiment, the regeneration air flowing to the second regeneration zone 332 for regeneration treatment originates from the treated air that has undergone dehumidification treatment by the primary dehumidification rotor 31 and the secondary dehumidification rotor 33 in the dehumidification channel 1. The rotary dehumidifier 100 is equipped with a second treated air channel 6. This channel 6 can guide the treated air that has undergone multi-stage dehumidification in the dehumidification channel 1 from the second connection position 14 located downstream of the second moisture absorption zone 331, and direct this treated air to the third air inlet position 25 of the regeneration channel 2 so that it flows into the regeneration channel 2. This allows the airflow to flow through the regeneration channel 2 to the second regeneration zone 332 for regeneration treatment, improving the utilization rate of the treated air in the dehumidification channel 1. The treated air, having undergone multi-stage dehumidification, is also relatively dry, resulting in a better regeneration effect on the second regeneration zone 332.

[0159] Please refer to Figure 1. According to some embodiments of this application, the indoor air duct 4 includes a first return air duct 41 and a second return air duct 42. The first return air duct 41 is connected to the first air inlet position 23, and the second return air duct 42 is connected to the third air inlet position 25.

[0160] In this embodiment, the regenerated air flowing to the second regeneration zone 332 for regeneration processing originates from indoor air. The indoor air duct 4 is provided with a first return air duct 41 for connecting to the first air inlet 23 and a second return air duct 42 for connecting to the third air inlet 25. By guiding a portion of the indoor air to the first regeneration zone 312 for regeneration processing through the first return air duct 41 and guiding a portion of the indoor air to the second regeneration zone 332 for regeneration processing through the second return air duct 42, the utilization rate of indoor air can be improved.

[0161] Optionally, the first return air duct 41 and the second return air duct 42 can be independent of each other or connected to the same air inlet duct. A control structure can be set to control the airflow from the air inlet duct to the first return air duct 41 and the second return air duct 42. For example, regulating valves can be set in the first return air duct 41 and the second return air duct 42 respectively, or a three-way valve or other structure can be set at the connection position of the air inlet duct, the first return air duct 41 and the second return air duct 42. The airflow sent to the first air inlet position 23 and the second air inlet position 24 can be adjusted according to the dehydration and regeneration requirements of the first regeneration zone 312 and the second regeneration zone 332, so that both the first regeneration zone 312 and the second regeneration zone 332 have good regeneration effect and the indoor air is fully and efficiently utilized.

[0162] Referring to Figures 1 and 8, according to some embodiments of this application, along the rotation direction of the secondary dehumidification impeller 33, the secondary dehumidification impeller 33 further includes a second cooling zone 333 located between the second regeneration zone 332 and the second moisture absorption zone 331, and the second return air duct 42 passes through the second cooling zone 333.

[0163] In this embodiment, the secondary dehumidification rotor 33 also includes a second cooling zone 333. It is understood that after the second regeneration zone 332 is regenerated using regenerated air, the rotor temperature in the second regeneration zone 332 rises. At this time, the second regeneration zone 332 is first turned to the location of the second cooling zone 333 so that this part of the rotor is cooled down and pre-cooled to avoid the rotor temperature being too high after it turns to the second moisture absorption zone 331, which would affect the moisture absorption effect.

[0164] In this embodiment, the airflow in the second return air duct 42 absorbs the heat from the second cooling zone 333, which can both raise the temperature of the airflow in the second return air duct 42, thereby reducing the energy consumed to raise the temperature of the regenerated air; and also accelerate the cooling efficiency of the second cooling zone 333, reduce the temperature difference between the airflow flowing to the second moisture absorption zone 331 and the second moisture absorption zone 331, thereby reducing the heat-cold offsetting and reducing energy waste.

[0165] Please refer to Figures 1 and 3. According to some embodiments of this application, the dehumidification channel 1 further includes a third connection position 15 located between the first moisture absorption zone 311 and the second moisture absorption zone 331. The rotary dehumidification device 100 also includes a third processing air channel 7, which connects the third connection position 15 and the third air inlet position 25.

[0166] In this embodiment, the regeneration air flowing to the second regeneration zone 332 for regeneration treatment originates from the treated air that has been dehumidified by the first-stage dehumidification impeller 31 in the dehumidification channel 1. The impeller dehumidification device 100 is equipped with a third treated air channel 7. This third treated air channel 7 can draw the treated air from the dehumidification channel 1 after dehumidification by the first-stage dehumidification impeller 31 from the third connection position 15 located between the first and second moisture absorption zones 311, and guide this treated air to the third air inlet 25 of the regeneration channel 2 so that it flows into the regeneration channel 2. This allows the airflow to flow through the regeneration channel 2 to the second regeneration zone 332 for regeneration treatment, improving the utilization rate of the treated air in the dehumidification channel 1. The treated air dehumidified by the first-stage dehumidification impeller 31 is also relatively dry, resulting in a better regeneration effect on the second regeneration zone 332.

[0167] Referring to Figures 3 and 8, according to some embodiments of this application, along the rotation direction of the secondary dehumidification impeller 33, the secondary dehumidification impeller 33 further includes a second cooling zone 333 located between the second regeneration zone 332 and the second moisture absorption zone 331, and the third processing air duct 7 passes through the second cooling zone 333.

[0168] In this embodiment, the processing air exiting through the third processing air duct 7 first flows to the second cooling zone 333 of the secondary dehumidification rotor 33. This part of the airflow absorbs the heat of the second cooling zone 333, which can both raise the temperature of the airflow flowing to the third air inlet 25, thereby reducing the energy consumed to raise the temperature of the regenerated air; and also accelerate the cooling efficiency of the second cooling zone 333, reduce the temperature difference between the airflow flowing to the second moisture absorption zone 331 and the second moisture absorption zone 331, thereby reducing the heat and cold offset and reducing energy waste.

[0169] Optionally, in some embodiments, the indoor air duct 4 has a second return air duct 42 communicating with the third air inlet 25; an air guide pipe can be provided communicating with the third processing air duct 7 and the second return air duct 42, and the air guide pipe is connected to the third air inlet 25 so that the airflow in the second return air duct 42 mixes with the airflow in the third processing air duct 7 before flowing to the third air inlet 25. In this case, the air guide pipe can pass through the second cooling zone 333, thus eliminating the need for the third processing air duct 7 and the second return air duct 42 to pass through the second cooling zone 333 separately, simplifying the structural design. Alternatively, the third processing air duct 7 and the second return air duct 42 can each pass through the second cooling zone 333 before connecting to the air guide pipe.

[0170] In some embodiments, one of the third processing air duct 7 and the second return air duct 42 may pass through the second cooling zone 333, which is not limited here.

[0171] Please refer to Figures 1 and 3. According to some embodiments of this application, the dehumidification channel 1 further includes a fourth connection position 16 located between the primary dehumidification rotor 31 and the secondary dehumidification rotor 33; the indoor air channel 4 includes a third return air channel 43, which is connected to the fourth connection position 16.

[0172] In this embodiment, the indoor air duct 4 includes a third return air duct 43 connected to the dehumidification duct 1. The third return air duct 43 is used to introduce indoor air with relatively low humidity into the dehumidification duct 1 and mix it with the airflow in the dehumidification duct 1. This can increase the airflow in the dehumidification duct 1 and reduce the humidity of the airflow flowing to the secondary dehumidification impeller 33, thereby reducing the dehumidification pressure of the secondary dehumidification impeller 33.

[0173] Please refer to Figures 1 and 3. According to some embodiments of this application, the dehumidification module 3 further includes a second condensation module 34 located between the first moisture absorption zone 311 and the second moisture absorption zone 331.

[0174] In this embodiment, the dehumidification module 3 further includes a second condensation module 34, which may include one, two or more surface coolers. The airflow from the first moisture absorption zone 311 is first cooled by the second condensation module 34, which can cause condensation to form in the airflow, thereby cooling and dehumidifying the airflow. This can improve the dehumidification effect, reduce the dehumidification pressure of the secondary dehumidification impeller 33, and reduce the moisture absorption of the secondary dehumidification impeller 33, thereby reducing the energy consumption for the regeneration of the secondary dehumidification impeller 33.

[0175] Optionally, the cooling temperature of the second condensing module 34 can be set to 10°C to 15°C. When the second condensing module 34 is equipped with multiple surface coolers, the cooling temperatures of each surface cooler can be the same or different. Optionally, the cooling temperatures of the multiple surface coolers can be set to decrease.

[0176] Please refer to Figures 1 to 4. According to some embodiments of this application, the dehumidification module 3 also includes a third condensation module 35 located between the primary dehumidification impeller 31 and the exhaust port 12.

[0177] In this embodiment, the dehumidification module 3 further includes a third condensing module 35, which may include one, two, or more surface coolers. The third condensing module 35 can be used to further condense and dehumidify the airflow before it is discharged into the room from the dehumidification channel 1, thereby improving dehumidification efficiency and controlling the temperature of the airflow discharged into the room. Of course, the third condensing module 35 may not be turned on when further dehumidification and temperature adjustment are not required.

[0178] In some embodiments, the cooling temperature of the third condensing module 35 is set to 3°C to 8°C, and can be set to any value between 3°C, 4°C, 5°C, 5.5°C, 6°C, 7°C, 8°C, and 3°C to 8°C, so as to achieve a better cooling effect.

[0179] In some embodiments, a heating module can be provided upstream of the exhaust port 12 to heat the airflow when the temperature of the dehumidified airflow is low.

[0180] Referring to Figures 1 and 5, according to some embodiments of this application, the regeneration channel 2 is branched and provided with multiple primary regeneration pipelines 21, and the first regeneration zone 312 is provided with multiple first regeneration treatment zones 3121 along the circumference of the primary dehumidification rotor 31, with each of the multiple primary regeneration pipelines 21 corresponding to one of the multiple first regeneration treatment zones 3121.

[0181] In this embodiment, the regeneration channel 2 includes multiple primary regeneration pipelines 21. Each primary regeneration pipeline 21 passes through a first regeneration treatment zone 3121. When the first regeneration zone 312 is regenerated, as the primary dehumidification wheel 31 rotates, each first regeneration treatment zone 3121 passes through each primary regeneration pipeline 21 in sequence, so that it is dehydrated and regenerated by the regeneration air of different primary regeneration pipelines 21, so that the first regeneration zone 312 is dehumidified multiple times to improve the dehydration and regeneration effect.

[0182] According to some embodiments of this application, the regeneration air temperature of the multi-path primary regeneration pipeline 21 is set to decrease along the rotation direction of the primary dehumidification impeller 31.

[0183] In this embodiment, the regeneration air temperature in each primary regeneration pipe 21 of the regeneration channel 2 is different. Along the rotation direction of the primary dehumidification rotor 31, the temperature of the regeneration air provided by the upstream primary regeneration pipe 21 is higher than the temperature of the regeneration air provided by the downstream primary regeneration pipe 21. With this arrangement, when regenerating the first regeneration zone 312, as the primary dehumidification rotor 31 rotates, the first regeneration processing zone 3121 in the first regeneration zone 312 first rotates to correspond to the primary regeneration pipe 21 with a higher airflow temperature, so that most of the moisture is removed by the higher-temperature airflow. Then, the first regeneration processing zone 3121 rotates to correspond to the primary regeneration pipe 21 with a relatively lower airflow temperature for dehumidification again, so that the remaining moisture is removed by the airflow. With this arrangement, the first regeneration zone 312 only needs to be locally heated to a high temperature, reducing the energy consumption during the regeneration of the first regeneration zone 312. Furthermore, since the airflow temperature is lower downstream of the rotation direction, the temperature of the regenerated impeller is also relatively lower. When the regenerated impeller rotates to the first moisture absorption zone 311, the temperature difference between it and the airflow in the dehumidification channel 1 will also decrease, thereby reducing the heat and cold offset between the first moisture absorption zone 311 and the airflow and reducing energy waste.

[0184] Optionally, to differentiate the regeneration air temperature in the primary regeneration pipelines 21, heating structures can be installed on each primary regeneration pipeline 21. These heating structures heat the airflow in each primary regeneration pipeline 21, raising the regeneration air temperature to the desired level. Specifically, the heating efficiency of the heating structure in the upstream primary regeneration pipeline 21 can be higher than that of the heating structure in the downstream primary regeneration pipeline 21. Furthermore, in some embodiments, the regeneration channel 2 can be configured to include a mixing duct 22 and multiple primary regeneration pipelines 21, with regeneration air flowing from the mixing duct 22 to each primary regeneration pipeline 21. A first heating structure 201 is installed on the mixing duct 22 to heat the regeneration air, and heating structures are installed on each of the multiple primary regeneration pipelines 21, heating the regeneration air to the desired temperature through these heating structures. In some embodiments, when a mixing air passage and a first heating structure 201 located in the mixing air passage are provided, the downstream primary regeneration pipeline 21 may not need to be equipped with a heating structure, and the airflow can be heated to the required temperature by the first heating structure 201 in the mixing air pipeline 22.

[0185] Optionally, the first regeneration zone 312 includes two first regeneration processing zones 3121. The central angle of the upstream first regeneration processing zone 3121 can be set to 60° to 75°, and the central angle of the downstream first regeneration processing zone 3121 can be set to 15° to 30°.

[0186] In some embodiments, the rotary dehumidifier 100 includes a primary dehumidifier rotor 31 and a secondary dehumidifier rotor 33. Optionally, the second regeneration zone 332 of the secondary dehumidifier rotor 33 can be set in sections or not.

[0187] Referring to Figures 4 and 8, according to some embodiments of this application, the second regeneration zone 332 of the secondary dehumidification rotor 33 includes a plurality of second regeneration treatment zones 3321 arranged circumferentially along the secondary dehumidification rotor 33, and the regeneration channel 2 is provided with a plurality of secondary regeneration pipelines 26, each secondary regeneration pipeline 26 passing through a second regeneration treatment zone 3321.

[0188] In this embodiment, the second regeneration zone 332 of the secondary dehumidification rotor 33 is provided with multiple second regeneration treatment zones 3321 along the circumference of the secondary dehumidification rotor 33. The corresponding regeneration channel 2 is provided with multiple secondary regeneration pipelines 26 corresponding to the multiple second regeneration treatment zones 3321 of the secondary dehumidification rotor 33. When the second regeneration zone 332 is regenerated, as the secondary dehumidification rotor 33 rotates, each second regeneration treatment zone 3321 passes through each secondary regeneration pipeline 26 in sequence, so as to be dehydrated and regenerated by the regeneration air of different secondary regeneration pipelines 26, so that the second regeneration zone 332 is dehumidified multiple times, thereby improving the dehydration and regeneration effect.

[0189] In some implementations, the regeneration air temperature of the multi-path secondary regeneration pipeline 26 is set to decrease along the rotation direction of the secondary dehumidification impeller 33.

[0190] In this embodiment, the regeneration air temperature in each of the secondary regeneration pipes 26 of the regeneration channel 2 is different. Along the rotation direction of the secondary dehumidification rotor 33, the temperature of the regeneration air provided through the upstream secondary regeneration pipe 26 is higher than the temperature of the regeneration air provided through the downstream secondary regeneration pipe 26. With this arrangement, when regenerating the second regeneration zone 332, as the secondary dehumidification rotor 33 rotates, the second regeneration processing zone 3321 in the second regeneration zone 332 first rotates to correspond to the secondary regeneration pipe 26 with a higher airflow temperature, so that most of the moisture is removed by the higher-temperature airflow. Then, the second regeneration processing zone 3321 rotates to correspond to the secondary regeneration pipe 26 with a relatively lower airflow temperature for dehumidification again, so that the remaining moisture is removed by the airflow. With this arrangement, the second regeneration zone 332 only needs to be locally heated to a high temperature, reducing the energy consumption during the regeneration of the second regeneration zone 332. Furthermore, since the airflow temperature is lower downstream of the rotation direction, the temperature of the regenerated impeller is also relatively lower. When the regenerated impeller rotates to the second moisture absorption zone 331, the temperature difference between it and the airflow in the dehumidification channel 1 will also decrease, thereby reducing the offsetting effect of the hot and cold airflow between the second moisture absorption zone 331 and the airflow and reducing energy waste.

[0191] Referring to Figures 5 and 9, according to some embodiments of this application, the area of ​​the first regeneration treatment zone 3121 adjacent to the first moisture-absorbing zone 311 does not exceed the area of ​​the second regeneration treatment zone 3321 adjacent to the second moisture-absorbing zone 331.

[0192] In this embodiment, the first regeneration processing zone 3121 adjacent to the first moisture absorption zone 311 is designated as the first sub-zone 3121a. In the primary dehumidification rotor 31, the regeneration temperature of the first sub-zone 3121a is higher than that of other downstream first regeneration processing zones 3121. Similarly, the second regeneration processing zone 3321 adjacent to the second moisture absorption zone 331 is designated as the second sub-zone 3321a. In the secondary dehumidification rotor 33, the regeneration temperature of the second sub-zone 3321a is higher than that of other downstream second regeneration processing zones 3321.

[0193] In this embodiment, the area of ​​the first sub-region 3121a is smaller than the area of ​​the second sub-region 3321a. When the diameters of the primary dehumidification rotor 31 and the secondary dehumidification rotor 33 are the same, the central angle of the first sub-region 3121a is smaller than the central angle of the second sub-region 3321a. Alternatively, the diameter of the secondary dehumidification rotor 33 can be larger than the diameter of the primary dehumidification rotor 31. When the central angles of the first and second sub-regions 3121a are the same, the second sub-region 3321a can also be larger than the first sub-region 3121a, meaning the high-temperature regeneration area of ​​the secondary dehumidification rotor 33 is larger than the high-temperature regeneration area of ​​the preceding rotor. In this configuration, when the moisture absorption capacity of the secondary dehumidification rotor 33 is high or the aperture of the secondary dehumidification rotor 33 is relatively small, the dehydration difficulty of the secondary dehumidification rotor 33 is greater than that of the primary dehumidification rotor 31. By increasing the area of ​​the high-temperature dehumidification zone of the secondary dehumidification rotor 33, the secondary dehumidification rotor 33 can also have a better dehydration and regeneration effect. For the primary dehumidification rotor 31, which has a relatively lower dehydration difficulty, the area of ​​the high-temperature regeneration zone can be appropriately reduced to reduce the energy consumption during the regeneration of the first regeneration zone 312.

[0194] Referring to Figures 6 and 7, according to some embodiments of this application, the primary dehumidifying impeller 31 has a first surface and a second surface disposed opposite to each other along its axial direction. Along the direction from the first surface to the second surface, the aperture of the mesopores 316 of the primary dehumidifying impeller 31 is reduced. The air inlet end of the first moisture absorption zone 311 is located on the first surface, and the air inlet end of the first regeneration zone 312 is located on the second surface.

[0195] The mesopores 316 in the dehumidifying rotor refer to the pore structure present in the adsorbent of the rotor. The presence of mesopores 316 can increase the large surface area for sufficient contact between humid air and the moisture-absorbing medium, which is beneficial to improving dehumidification efficiency; it can also increase the adsorption capacity of the adsorbent, providing additional adsorption space, allowing the adsorbent to adsorb more moisture and improve the moisture absorption capacity of the dehumidifying rotor.

[0196] In this embodiment, the direction from the first surface of the primary dehumidifying impeller 31 to the second surface is the moisture absorption direction of the primary dehumidifying impeller 31. The dehumidifying airflow enters the first moisture absorption zone 311 from the first surface, and the moisture in the airflow is absorbed by the primary dehumidifying impeller 31. The dehumidified airflow flows out from the second surface and enters the downstream of the dehumidification channel 1. The direction from the second surface to the first surface is the dehydration direction of the primary dehumidifying impeller 31. The regeneration air flows into the first regeneration zone 312 from the second surface, carrying away the moisture absorbed in the first regeneration zone 312, and then flows out from the first surface.

[0197] Using the aforementioned rotor structure, during airflow dehumidification, the airflow first passes through the layer with larger pore sizes of mesopores 316 near the first surface. Due to the larger pore size of the mesopores 316, the specific surface area is increased, allowing more moisture in the airflow to be adsorbed in the layer near the first surface. As the airflow gradually flows towards the second surface, it flows into the layer with smaller pore sizes of the mesopores 316. Smaller water molecules in the airflow can also be adsorbed by the first-stage dehumidification rotor 31, improving the moisture absorption effect. During the regeneration process in the first regeneration zone 312, the regeneration air first contacts the layer with smaller pore sizes for heat exchange, allowing moisture in that layer to reach the surface area with larger pore sizes. Dehydration of the surface area is relatively easier, and even if the temperature of the regeneration air decreases after passing through the previous layer, it can still effectively remove moisture from the surface area, resulting in better dehydration and regeneration of the first regeneration zone 312.

[0198] In specific configuration, the primary dehumidification rotor 31 can be formed by stacking multiple adsorption layers. Taking the primary dehumidification rotor 31 having a first adsorption layer 314 and a second adsorption layer 315 as an example, the pore size of the mesopores 316 of the first adsorption layer 314 is larger than the pore size of the mesopores 316 of the second adsorption layer 315. The primary dehumidification rotor 31 is formed by stacking layers, which makes the preparation of the primary dehumidification rotor 31 more convenient and reduces the preparation difficulty.

[0199] According to some embodiments of this application, the mesopores 316 in the secondary dehumidification rotor 33 are smaller than at least some of the mesopores 316 in the primary dehumidification rotor 31.

[0200] In this embodiment, the rotary dehumidifier 100 includes a primary dehumidifying rotor 31 and a secondary dehumidifying rotor 33. Along the flow direction of the airflow in the dehumidification channel 1, the second moisture absorption zone 331 of the secondary dehumidifying rotor 33 is located downstream of the first moisture absorption zone 311 of the primary dehumidifying rotor 31. Along the flow direction of the airflow in the regeneration channel 2, the second regeneration zone 332 of the secondary dehumidifying rotor 33 is located upstream of the first regeneration zone 312 of the primary dehumidifying rotor 31. By setting up two dehumidifying rotors, the airflow is dehumidified multiple times, which can improve the dehumidification effect of the airflow.

[0201] By making at least some of the mesopores 316 in the primary dehumidifying impeller 31 larger than the mesopores 316 in the secondary dehumidifying impeller 33, the airflow passes through the primary dehumidifying impeller 31 and the secondary dehumidifying impeller 33 in sequence for dehumidification. The primary dehumidifying impeller 31 can absorb most of the moisture in the airflow, and the secondary dehumidifying impeller 33 with its small pores can further dehumidify the airflow. This prevents small water molecules in the airflow from flowing through the secondary dehumidifying impeller 33, thus ensuring a better dehumidification effect.

[0202] Taking the first-stage dehumidification rotor 31 having a first adsorption layer 314 and a second adsorption layer 315 stacked together as an example, the mesopores 316 of the first adsorption layer 314 are larger than the mesopores 316 of the second adsorption layer 315; the mesopores 316 in the second-stage dehumidification rotor 33 can be smaller than the mesopores 316 of the second adsorption layer 315, or they can be larger than the mesopores 316 of the second adsorption layer 315 and smaller than the mesopores 316 of the first adsorption layer 314, which is not limited here.

[0203] According to some embodiments of this application, the diameter of the secondary dehumidification impeller 33 is larger than the diameter of the primary dehumidification impeller 31; with this arrangement, the secondary dehumidification impeller 33 has a larger specific surface area, which can improve the moisture absorption capacity and moisture absorption amount of the secondary dehumidification impeller 33.

[0204] According to some embodiments of this application, the thickness of the secondary dehumidification impeller 33 is less than the thickness of the primary dehumidification impeller 31. With this arrangement, because the mesopores 316 of the secondary dehumidification impeller 33 are smaller, by reducing the thickness of the secondary dehumidification impeller 33, the moisture adsorbed by the secondary dehumidification impeller 33 is easily released with the regeneration air, making the second regeneration zone 332 easier to dehydrate and regenerate.

[0205] Please refer to Figures 1 to 3. According to some embodiments of this application, the regeneration channel 2 further includes a mixing duct 22, and multiple primary regeneration ducts 21 are connected to the outlet end of the mixing duct 22. The first air inlet position 23 is located in the mixing duct 22.

[0206] In this embodiment, the regeneration air flowing into the first regeneration zone 312 in the regeneration channel 2 may include, in addition to indoor return air, the processing air in the dehumidification channel 1, outdoor fresh air, and at least one of the regeneration air flowing through the second regeneration zone 332. The mixing channel ensures that the various airflows are mixed evenly before being distributed to each primary regeneration pipeline 21, resulting in a uniform airflow distribution in each primary regeneration pipeline 21 and ensuring that each first regeneration processing zone 3121 has a good regeneration effect. Optionally, in some embodiments, an airflow regulating valve 541 may be provided to control the amount of air flowing into each regeneration channel 2 from the mixing channel.

[0207] Please refer to Figure 1. According to some embodiments of this application, the rotary dehumidifier 100 includes a first heating structure 201 disposed in the mixing duct 22.

[0208] This configuration utilizes the first heating structure 201 to heat the regeneration air in the mixing channel before distributing it to each primary regeneration pipeline 21. This increases the temperature of the regeneration air, improves the regeneration effect on the first regeneration zone 312, and reduces the number of heating structures required in the primary regeneration pipelines 21. The first heating structure 201 may include at least one of a hot water heating element and an electric heating element.

[0209] Please refer to Figures 1 to 4. According to some embodiments of this application, the multi-channel primary regeneration pipeline 21 includes a first regeneration pipeline 211 and a second regeneration pipeline 212 arranged sequentially along the rotation direction of the primary dehumidification rotor 31. The rotor dehumidification device 100 further includes a second heating structure 202 disposed on the first regeneration pipeline 211. The second regeneration pipeline 212 is not provided with a heating structure, or the second regeneration pipeline 212 is provided with a third heating structure 203, and the heating power of the third heating structure 203 is less than the heating power of the second heating structure 202.

[0210] This configuration, by incorporating a second heating structure 202 within the first regeneration pipeline 211 to raise the gas temperature within 211, allows for independent control of the gas flow temperature within 211, providing greater flexibility in temperature control. A third heating structure 203 with lower heating efficiency can be incorporated into the second regeneration pipeline 212 to control the gas flow temperature and raise the gas temperature within 212 from the first regeneration pipeline 211. This effectively allows for free control and adjustment of the heating power of both the first and second heating components according to actual needs, enhancing the flexibility of temperature regulation.

[0211] In this embodiment, the heating structure provided on the primary regeneration pipeline 21, such as the second heating structure 202 or the third heating structure 203, can be configured as at least one of a hot water heating element and an electric heating element.

[0212] Please refer to Figures 3 and 4. In some embodiments, the rotary dehumidifier 100 is provided with multiple dehumidifying rotors, such as a primary dehumidifying rotor 31 and a secondary dehumidifying rotor 33. A fourth heating structure 204 can be provided upstream of the second regeneration zone 332 to heat the regeneration air flowing towards the second regeneration zone 332, thereby improving the regeneration effect of the second regeneration zone 332. In addition, when multiple second regeneration treatment zones 3321 are provided in the second regeneration zone 332, heating structures can be provided on multiple secondary regeneration pipelines 26 corresponding to the multiple second regeneration treatment zones 3321 in the regeneration channel 2. For example, the multiple secondary regeneration pipelines 26 include a third regeneration pipeline 261 and a fourth regeneration pipeline 262 arranged sequentially along the rotation direction of the secondary dehumidification rotor 33. Heating structures can be provided on both the third regeneration pipeline 261 and the fourth regeneration pipeline 262, or no heating structure can be provided on the fourth regeneration pipeline 262. In addition, a mixing air pipeline 22 connected to the third regeneration pipeline 261 and the fourth regeneration pipeline 262 can be provided, and a heating structure can be provided on the mixing air pipeline 22.

[0213] Please refer to Figure 1. According to some embodiments of this application, the rotary dehumidifier 100 also includes a fresh air duct 8, which is connected to the regeneration duct 2. Along the flow direction of the airflow in the regeneration duct 2, the connection position between the fresh air duct 8 and the regeneration duct 2 is located upstream of the first regeneration zone 312.

[0214] In this embodiment, the rotary dehumidifier 100 is provided with a fresh air duct 8. The airflow source in the regeneration duct 2 also includes indoor return air introduced through the indoor air duct 4. Outdoor fresh air can be introduced to dry and regenerate the first regeneration zone 312 of the primary dehumidifier rotary wheel 31, thereby increasing the air volume of the regeneration air and improving the regeneration effect.

[0215] In some embodiments, the airflow source in the regeneration channel 2 may also include the processing air in the dehumidification channel 1. Since both the indoor return air and the processing air are relatively dry, even if outdoor fresh air is introduced into the regeneration channel 2 as regeneration air, the humidity of the regeneration air after mixing with the indoor return air and the processing air will be lower than the humidity of the outdoor fresh air. Therefore, even if outdoor fresh air is introduced as regeneration air, it will not cause excessive humidity in the regeneration air, thus affecting the regeneration treatment of the first regeneration zone 312. Alternatively, an airflow regulating valve 541 can be installed on the fresh air channel 8 to reduce the opening of the fresh air channel 8 or close the fresh air channel 8 when the humidity of the outdoor fresh air is high, thereby reducing or eliminating the introduction of fresh air and preventing excessive humidity in the regeneration air.

[0216] Please refer to Figure 1. According to some embodiments of this application, the rotary dehumidifier 100 also includes an airflow regulating valve 541 disposed in the fresh air duct 8. The airflow regulating valve 541 is used to control the conduction state of the fresh air duct 8.

[0217] In this embodiment, the conduction state of the fresh air duct 8 refers to its open / closed state and opening degree. The airflow regulating valve 541 controls the conduction state of the fresh air duct 8 to select whether to introduce outdoor fresh air or control the amount of outdoor fresh air introduced, improving operational flexibility. For example, when the outdoor fresh air humidity is low, the fresh air duct 8 is opened to introduce outdoor fresh air for regeneration treatment of the first regeneration zone 312. When the outdoor fresh air humidity is high, the opening degree of the fresh air duct 8 is reduced or the fresh air duct 8 is closed to reduce or eliminate the introduction of fresh air, avoiding excessive humidity in the regenerated air.

[0218] The above are merely exemplary embodiments of this application and do not limit the patent scope of this application. Any equivalent structural transformations made based on the technical concept of this application and the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this application.

Claims

1. A rotary dehumidifying apparatus, characterized by comprising: include: A dehumidification channel, wherein the dehumidification channel has a fresh air inlet and an exhaust outlet; A regeneration channel having a first air inlet and a moisture outlet; The dehumidification module includes a rotatable primary dehumidification wheel. The primary dehumidification wheel has a first moisture absorption zone and a first regeneration zone arranged circumferentially thereon. The first moisture absorption zone is located between the fresh air inlet and the exhaust port, and the first regeneration zone is located between the exhaust port and the first air inlet. as well as An indoor air duct, which is connected to the first air inlet.

2. The rotary dehumidifying apparatus according to claim 1, wherein The rotary dehumidifier also includes a processing air duct, the two ends of which are connected to the dehumidification duct and the regeneration duct, respectively. The connection point between the processing air duct and the regeneration duct is located upstream of the first regeneration zone, so as to introduce part of the processing air in the dehumidification duct into the regeneration duct.

3. The rotary dehumidifying apparatus according to claim 1 or 2, wherein The dehumidification module also includes a first condensation module located upstream of the primary dehumidification impeller.

4. The rotary dehumidifying apparatus according to claim 3, wherein The dehumidification channel has a first connection position located between the first condensation module and the first-stage dehumidification impeller; The regeneration channel has a second air inlet located upstream of the first regeneration zone, and the rotary dehumidifier includes a first processing air channel connecting the first connection position and the second air inlet position.

5. The rotary dehumidifying apparatus according to claim 4, wherein Along the rotation direction of the primary dehumidification impeller, the primary dehumidification impeller further includes a first cooling zone located between the first regeneration zone and the first moisture absorption zone; The first processing air duct passes through the first cooling zone.

6. The rotary dehumidifying apparatus according to claim 5, wherein The first processing air duct includes: The first branch pipe is connected to the first connection position and passes through the first cooling zone; The second branch pipe is connected to the air outlet of the first branch pipe and the second air inlet; and The third branch pipe is connected to the air outlet of the first branch pipe and the second connection position of the dehumidification channel, and the second connection position is located downstream of the first moisture absorption zone; The rotary dehumidifier also includes a flow control structure located in the first processing air duct, the flow control structure being used to control the conduction state of the second branch pipe and the third branch pipe.

7. A rotary dehumidification apparatus as claimed in any one of claims 3 to 6, wherein The first condensing module includes a plurality of surface coolers arranged sequentially along the airflow direction, and the cooling temperature of the plurality of surface coolers is set to decrease.

8. The rotary dehumidification apparatus as claimed in any one of claims 1 to 7, wherein The dehumidification module also includes a secondary dehumidification impeller, which has a second moisture absorption zone and a second regeneration zone arranged circumferentially thereon. Along the flow direction of the airflow in the dehumidification channel, the second moisture absorption zone is located downstream of the first moisture absorption zone.

9. The rotary dehumidifying apparatus according to claim 8, wherein Along the flow direction of the airflow in the regeneration channel, the second regeneration zone is located upstream of the first regeneration zone.

10. The rotary dehumidifying apparatus according to claim 9, wherein The first air inlet is located between the first regeneration zone and the second regeneration zone, and the regeneration channel has a third air inlet located upstream of the second regeneration zone.

11. The rotary dehumidifying apparatus according to claim 10, wherein The dehumidification channel has a second connection position located downstream of the second moisture absorption zone; The rotary dehumidifier includes a second processing air duct that connects the second connection position and the third air inlet position.

12. The rotary dehumidifying apparatus according to claim 10 or 11, wherein The indoor air duct includes a first return air duct and a second return air duct. The first return air duct is connected to the first air inlet, and the second return air duct is connected to the third air inlet.

13. The rotary dehumidifying apparatus according to claim 12, wherein Along the rotation direction of the secondary dehumidification impeller, the secondary dehumidification impeller also includes a second cooling zone located between the second regeneration zone and the second moisture absorption zone, and the second return air duct passes through the second cooling zone.

14. The rotary dehumidification apparatus according to any one of claims 10 to 13, wherein The dehumidification channel also includes a third connection position located between the first moisture absorption zone and the second moisture absorption zone, and the rotary dehumidification device also includes a third processing air channel, which connects the third connection position and the third air inlet position.

15. The rotary dehumidifying apparatus according to claim 14, wherein Along the rotation direction of the secondary dehumidification impeller, the secondary dehumidification impeller also includes a second cooling zone located between the second regeneration zone and the second moisture absorption zone, and the third processing air duct passes through the second cooling zone.

16. The rotary dehumidification apparatus according to any one of claims 8 to 15, wherein The dehumidification channel also includes a fourth connecting position located between the primary dehumidification rotor and the secondary dehumidification rotor; The indoor air duct includes a third return air duct, which is connected to the fourth connection position.

17. The rotary dehumidification apparatus of any one of claims 8 to 16, wherein The dehumidification module also includes a second condensation module located between the first moisture absorption zone and the second moisture absorption zone.

18. The rotary dehumidification apparatus as set forth in any one of claims 1 to 17, characterized by The primary dehumidification impeller has a first surface and a second surface arranged opposite to each other along its axial direction. Along the direction from the first surface to the second surface, the diameter of the mesopores of the primary dehumidification impeller is reduced. The air inlet end of the first moisture absorption zone is located on the first surface, and the air inlet end of the first regeneration zone is located on the second surface.

19. The rotary dehumidification apparatus as set forth in any one of claims 1 to 18, characterized by The regeneration channel is branched and has multiple primary regeneration pipelines. The first regeneration zone has multiple first regeneration treatment zones arranged along the circumference of the primary dehumidification impeller. Each of the multiple primary regeneration pipelines corresponds to one of the multiple first regeneration treatment zones.

20. The rotary dehumidification apparatus of claim 19, wherein The regeneration air temperature of the multiple primary regeneration pipelines is set to decrease along the rotation direction of the primary dehumidification impeller.

21. The rotary dehumidification apparatus according to claim 19 or 20, wherein The regeneration channel also includes a mixing duct, and multiple primary regeneration ducts are connected to the outlet end of the mixing duct, with the first air inlet located in the mixing duct.

22. The rotary dehumidification apparatus of claim 21, wherein The rotary dehumidifier includes a first heating structure located in the mixing duct.

23. A rotary dehumidification apparatus as claimed in any one of claims 19 to 22, wherein, The multiple primary regeneration pipelines include a first regeneration pipeline and a second regeneration pipeline arranged sequentially along the rotation direction of the primary dehumidification impeller; The rotary dehumidifier further includes a second heating structure located on the first regeneration pipeline. The second regeneration pipeline may not have a heating structure, or the second regeneration pipeline may have a third heating structure. The heating power of the third heating structure is less than that of the second heating structure.

24. The rotary dehumidification apparatus as set forth in any one of claims 1 to 23, characterized by The dehumidification module also includes a third condensation module located between the primary dehumidification impeller and the exhaust port.

25. The rotary dehumidification apparatus as set forth in any one of claims 1 to 24, characterized by The rotary dehumidifier also includes a fresh air duct, which is connected to the regeneration duct. Along the flow direction of the airflow in the regeneration duct, the connection point between the fresh air duct and the regeneration duct is located upstream of the first regeneration zone.

26. The rotary dehumidification apparatus of claim 25, wherein The rotary dehumidifier also includes an airflow regulating valve located in the fresh air duct.

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