Plate heat exchanger heat recovery rotary dehumidifier

By introducing a plate heat exchanger and energy-saving and recovery mechanism into the rotor dehumidifier, the heat generated by the rotor dehumidifier is recovered and utilized, the energy waste caused by direct heat discharge in the prior art is solved, and the effect of energy saving and emission reduction is achieved.

CN223294953UActive Publication Date: 2025-09-02HUIZHOU HONGCHAOYANG DEHUMIDIFICATION & PURIFICATION EQUIP CO LTD
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Patent Information

Application Number
CN202422717687.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-09-02
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

During the dehumidification process of the existing rotor dehumidifier, heat is directly discharged through the dry air exhaust pipe, resulting in waste of energy and unable to achieve energy conservation and emission reduction.

Method used

The plate heat recovery rotor dehumidifier is adopted. By setting up an energy-saving and recovery mechanism, the plate heat exchanger is used to recover the hot air generated by the rotor dehumidifier and use it to heat the water in the water tank. The heated gas is then used to regenerate moisture adsorption part to realize the recycling of heat.

Benefits of technology

It effectively avoids the energy waste caused by direct discharge of hot air, and achieves the effect of heat recycling and energy conservation and emission reduction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a heat recovery rotary dehumidifier of a plate heat exchanger, and belongs to the technical field of air treatment. Comprising a main body, a treatment air inlet pipe is installed at one end of the main body, a treatment air outlet pipe is installed at the other end of the main body, a plate heat exchanger is installed on one side of the main body, and a water tank is installed on one side of the plate heat exchanger. By arranging the energy-saving recovery mechanism, when a worker needs to carry out hot air recovery on the rotary dehumidifier main body in operation, the second motor arranged in the first connecting pipe above one side of the plate heat exchanger can be started at the first time to drive the second induced draft fan to work; when a second induced draft fan works, hot air generated in the rotary dehumidifier main body can be extracted to the plate heat exchanger, and at the moment, a person synchronously starts a first motor in a second connecting pipe above one side of the plate heat exchanger to enable a first induced draft fan to rotate; and the fan can guide external air to the plate heat exchanger through the second connecting pipe above for heat exchange treatment.
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Description

Technical Field

[0001] The utility model relates to the technical field of air treatment, in particular to a plate heat exchanger heat recovery rotary dehumidifier. Background Art

[0002] The rotary dehumidifier is a typical representative of temperature-controlled dehumidification. It is widely used in the field of industrial production and is an indispensable and important equipment in temperature-controlled dehumidification. The air solid adsorption separation adopts the internationally accepted rotary metal silicate desiccant adsorption body. During the dehumidification process, the adsorption turntable rotates slowly under the drive device. When the adsorption wheel adsorbs water molecules in the air treatment area to saturation, it enters the regeneration area and is desorbed and regenerated by high-temperature air. This process is repeated, and the dry air is continuously sent into the designated space after temperature adjustment to achieve high-precision temperature and humidity control.

[0003] For example, patent CN210861460U discloses a rotary dehumidifier, which can directly and conveniently remove odors in the air inside the workshop during the dehumidification process, thereby improving its practicality; it includes a casing, a rotary dehumidifier body, an air inlet pipe, a wet air exhaust pipe, a dry air exhaust pipe, a pre-treatment box, a post-treatment box, a partition, a transmission pipe, a multi-group diversion pipe, two groups of filters, a fixed pipe, a motor, a reducer, a drive shaft and a plurality of groups of fan blades, a front box cover is provided on the top of the pre-treatment box, a feed pipe and a discharge pipe are respectively connected to the upper half area and the bottom of the left side wall of the pre-treatment box, an upper switch valve and a lower switch valve are respectively provided on the feed pipe and the discharge pipe, a rear box cover is provided on the top of the post-treatment box, mechanical seals are provided at the contact point between the drive shaft and the right side wall of the post-treatment box and between the drive shaft and the inner wall of the fixed pipe, the dry air outlet pipe is connected to the post-treatment box, and an output pipe is provided on the right side wall of the post-treatment box.

[0004] During the use of the above-mentioned rotary dehumidifier, the internal heat of the rotary dehumidifier is directly discharged through the dry air exhaust duct, and it does not have the function of recovering heat, thereby wasting a lot of energy and failing to achieve the effect of energy saving and emission reduction. Therefore, this application provides a plate heat exchanger heat recovery rotary dehumidifier to meet the needs. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a plate heat exchanger heat recovery rotary dehumidifier to solve the problem that the internal heat of the existing rotary dehumidifier is directly discharged through the dry air exhaust pipe, and has no heat recovery function, thereby wasting a lot of energy and failing to achieve the effect of energy saving and emission reduction.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] The plate heat exchanger heat recovery rotary dehumidifier includes a main body, one end of the main body is equipped with an air processing inlet pipe, and the other end of the main body is equipped with an air processing outlet pipe, a plate heat exchanger is installed on one side of the main body, and a water tank is installed on one side of the plate heat exchanger, and an energy-saving recovery mechanism is jointly installed in the connection area of ​​the main body, the plate heat exchanger and the water tank, an insulation plate is installed on the inner side wall of the water tank, and a discharge valve is installed at the lower side of one side of the water tank, and a water adding mechanism is installed above the water tank, the energy-saving recovery mechanism includes a first connecting pipe, and the first connecting pipe is installed at the upper and lower edges of one side of the plate heat exchanger, and second connecting pipes are installed at the upper and lower edges of the other side of the plate heat exchanger, wherein the end of the upper second connecting pipe is equipped with a filtering and heat exchange component, and the inner side of the lower second connecting pipe and one end of the upper first connecting pipe are equipped with a heating component.

[0008] Optionally, the filtering and heat exchanging assembly includes a mounting ring plate, and the mounting ring plate is fixedly mounted on the end of the second connecting pipe above one side of the plate heat exchanger, a filter ring frame is attached to the outside of the mounting ring plate, screw grooves are provided around the mounting ring plate and the filter ring frame, and a bolt rod is screwed into the middle of the screw groove, a first inner frame is mounted on the inner side of the end of the second connecting pipe above one side of the plate heat exchanger, and a first motor is fixedly mounted on one side of the first inner frame, and a first induced fan is mounted on the output end of the first motor.

[0009] Optionally, there are four groups of screw-mounted grooves and bolt rods, and each group of screw-mounted grooves and bolt rods are connected by a threaded installation.

[0010] Optionally, the filter portion of the filter ring plate frame matches the size of an opening at the end of the second connecting pipe above one side of the plate heat exchanger.

[0011] Optionally, the heating assembly includes a second internal frame, and the second internal frame is fixed to the inner side of the end of the first connecting pipe above one side of the plate heat exchanger, a second motor is installed on the middle side of the second internal frame, and a second exhaust fan is installed at the output end of the second motor, and a regenerative heater is installed inside the end of the second connecting pipe below one side of the plate heat exchanger.

[0012] Optionally, the second internal frame is located in the inner part of the water tank and is distributed in a bent and connected manner.

[0013] Optionally, the insulation board matches the inner size of the water tank.

[0014] Optionally, one end of the discharge valve is communicated with the water tank.

[0015] Optionally, the water adding mechanism includes a fixed block, and the fixed block is fixed above the water tank. A threaded mounting bracket is fixed above the fixed block, and a threaded locking disk is installed around the threaded mounting bracket.

[0016] Optionally, the threaded mounting bracket and the hole slot opened in the middle of the fixing block have the same size, and the threaded mounting bracket and the threaded locking disk are connected by threaded mounting.

[0017] Compared with the prior art, the present invention has at least the following beneficial effects:

[0018] In the above scheme, by setting up an energy-saving recovery mechanism, when the staff needs to recover the hot air from the operating rotary dehumidifier body, they can immediately start the second motor inside the first connecting pipe above one side of the plate heat exchanger to drive the second exhaust fan to operate. Under the operation of the second exhaust fan, the hot air generated in the rotary dehumidifier body will be extracted to the plate heat exchanger. At this time, the staff will synchronously start the first motor inside the second connecting pipe above one side of the plate heat exchanger to rotate the first exhaust fan. The fan can guide the external air through the second connecting pipe above to the plate heat exchanger for heat exchange treatment. The exchanged air will enter the plate heat exchanger The second connecting pipe is connected to the lower side of the heater. Since the second connecting pipe is arranged and connected in the water tank, the water in the water tank can be heated, thereby avoiding the waste of hot air. After the heating is completed, the gas with residual heat will follow the pipe into the main body of the rotary dehumidifier, and its end is aligned with the moisture adsorption part. The personnel can turn on the regeneration heater to assist in heating the residual heat again, so that the moisture in the moisture adsorption part can be evaporated. In this way, the heated gas can be circulated as mentioned above in conjunction with the guidance of the second induced fan, thereby avoiding the energy waste caused by the direct discharge of hot air to the outside, thereby achieving the purpose of energy saving, emission reduction and recycling.

[0019] By setting up a water adding mechanism, when the water in the water tank is gradually reduced due to use, the staff can twist the threaded lock disk to expose the water filling port and add appropriate water. It is portable and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the invention and, together with the description, further serve to explain the principles of the invention and enable those skilled in the relevant art to make and use the invention.

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of a plate heat exchanger heat recovery rotary dehumidifier;

[0022] Figure 2 This is a schematic diagram of the internal structure of the second connecting pipe on the upper side of the plate heat exchanger of the plate heat exchanger heat recovery rotary dehumidifier;

[0023] Figure 3 This is a schematic diagram of the internal structure of the water tank of the plate heat exchanger heat recovery rotary dehumidifier;

[0024] Figure 4This is a schematic diagram of the internal structure of the first connecting pipe on the upper side of the plate heat exchanger of the plate heat exchanger heat recovery rotary dehumidifier;

[0025] Figure 5 This is a schematic diagram of the internal structure of the second connecting pipe at the lower side of the plate heat exchanger of the plate heat exchanger heat recovery rotary dehumidifier;

[0026] Figure 6 This is a schematic diagram of the water adding mechanism structure of the plate heat exchanger heat recovery rotary dehumidifier.

[0027] [Reference Signs]

[0028] 1. Main body; 2. Air inlet pipe; 3. Air outlet pipe; 4. Plate heat exchanger; 5. Water tank; 6. Energy-saving recovery mechanism; 61. First connecting pipe; 62. Second connecting pipe; 63. Filter heat exchange assembly; 631. Mounting ring plate; 632. Filter ring plate frame; 633. Screw groove; 634. Bolt rod; 635. First internal mounting frame; 636. First motor; 637. First induced draft fan; 64. Heating assembly; 641. Second internal mounting frame; 642. Second motor; 643. Second induced draft fan; 644. Regeneration heater; 7. Insulation plate; 8. Discharge valve; 9. Water adding mechanism; 91. Fixing block; 92. Threaded mounting frame; 93. Threaded locking disk.

[0029] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, devices and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0030] The following describes in detail the plate heat exchanger heat recovery rotary dehumidifier provided by the present invention, with reference to the accompanying drawings and specific embodiments. It is also noted that, for the sake of completeness, the following embodiments are optimal and preferred embodiments, and those skilled in the art may employ alternative implementations for known technologies. Furthermore, the accompanying drawings are intended only to provide a more detailed description of the embodiments and are not intended to limit the present invention.

[0031] It should be noted that references in the specification to "one embodiment," "an embodiment," "exemplary embodiments," "some embodiments," etc. indicate that the described embodiments may include specific features, structures, or characteristics, but not necessarily every embodiment will include such specific features, structures, or characteristics. Furthermore, when specific features, structures, or characteristics are described in conjunction with an embodiment, it is within the knowledge of persons skilled in the relevant art to implement such features, structures, or characteristics in conjunction with other embodiments (whether or not explicitly described).

[0032] In general, terms can be understood, at least in part, from their use in context. For example, depending at least in part on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending at least in part on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0033] It will be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” means not only “directly on” something but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” means not only “on” or “above” something but also includes the meaning of being “on” or “above” something with no intervening features or layers.

[0034] Additionally, spatially relative terms such as "below," "beneath," "lower," "above," and "upper" may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as illustrated in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein should be similarly interpreted accordingly.

[0035] like Figures 1 to 4As shown, the embodiment of the present invention provides a plate heat exchanger heat recovery rotary dehumidifier, including a main body 1, one end of the main body 1 is equipped with a processing air inlet pipe 2, and the other end of the main body 1 is equipped with a processing air outlet pipe 3, a plate heat exchanger 4 is installed on one side of the main body 1, and a water tank 5 is installed on one side of the plate heat exchanger 4, the main body 1, the plate heat exchanger 4 and the water tank 5 are connected in an area where the three are jointly equipped with an energy-saving recovery mechanism 6, an insulation board 7 is installed on the inner side wall of the water tank 5, the insulation board 7 matches the inner size of the water tank 5, and a discharge valve 8 is installed below one side of the water tank 5, one end of the discharge valve 8 is connected to the water tank 5, a water adding mechanism 9 is installed above the water tank 5, the energy-saving recovery mechanism 6 includes a first connecting pipe 61, and the first connecting pipe 61 is installed on the plate A second connecting pipe 62 is installed on the upper and lower sides of one side of the heat exchanger 4 and the upper and lower sides of the other side of the plate heat exchanger 4, wherein a filter heat exchange component 63 is installed at the end of the upper second connecting pipe 62, and the filter heat exchange component 63 includes a mounting ring plate 631, and the mounting ring plate 631 is fixed to the end of the second connecting pipe 62 above one side of the plate heat exchanger 4, and a filter ring plate frame 632 is attached to the outside of the mounting ring plate 631. The filter portion of the filter ring plate frame 632 matches the size of the end of the second connecting pipe 62 above one side of the plate heat exchanger 4. Screw grooves 633 are opened around the mounting ring plate 631 and the filter ring plate frame 632, and a bolt rod 634 is screwed in the middle of the screw groove 633. A first filter is installed on the inner side of the end of the second connecting pipe 62 above one side of the plate heat exchanger 4. An internal frame 635 is provided, and a first motor 636 is fixedly installed on one side of the first internal frame 635, and a first induced draft fan 637 is installed on the output end of the first motor 636. There are four groups of screw grooves 633 and bolt rods 634, and each group of screw grooves 633 and bolt rods 634 are threadedly connected, wherein a heating component 64 is installed on the inner side of one end of the second connecting pipe 62 below and the first connecting pipe 61 above. The heating component 64 includes a second internal frame 641, and the second internal frame 641 is fixedly arranged on the inner side of the end of the first connecting pipe 61 above one side of the plate heat exchanger 4. A second motor 642 is installed on one side of the middle of the second internal frame 641, and a second induced draft fan 643 is installed on the output end of the second motor 642. The lower side of the plate heat exchanger 4 is provided with a plurality of screw grooves 633 and bolt rods 634. The end of the second connecting pipe 62 is provided with an internal regenerative heater 644, and the second internal mounting frame 641 is located in the inner part of the water tank 5 and is arranged in a bent manner. When the staff needs to recover the heat from the operating rotary dehumidifier body 1, they can immediately start the second motor 642 provided inside the first connecting pipe 61 above one side of the plate heat exchanger 4 to drive the second induced draft fan 643 to operate. When the second induced draft fan 643 is operating, the hot air generated in the rotary dehumidifier body 1 will be extracted to the plate heat exchanger 4. At this time, the staff will simultaneously start the first motor 636 inside the second connecting pipe 62 above one side of the plate heat exchanger 4 to rotate the first induced draft fan 637. The fan can guide the external air through the upper second connecting pipe 62 to the plate heat exchanger 4 for heat exchange processing.The exchanged air will enter the second connecting pipe 62 connected to the lower side of the plate heat exchanger 4. Since the second connecting pipe 62 is arranged and connected to the water tank 5, it can heat the water in the water tank 5, thus avoiding the waste of hot air. After heating, the gas with residual heat will enter the rotary dehumidifier body 1 through the pipe, with its end facing the moisture adsorption part. The personnel can turn on the regeneration heater 644 to assist in reheating the residual heat, so that the moisture in the moisture adsorption part can be evaporated. In combination with the guidance of the second induced fan 643, the heated gas can be circulated as described above, thus avoiding the energy waste caused by directly discharging the hot air to the outside, thereby achieving the goals of energy conservation, emission reduction and recycling.

[0036] like Figure 1 and Figure 5 As shown, the water adding mechanism 9 includes a fixed block 91, and the fixed block 91 is fixed above the water tank 5. A threaded mounting frame 92 is fixed above the fixed block 91, and a threaded locking disk 93 is installed around the threaded mounting frame 92. The threaded mounting frame 92 has the same size as the hole groove opened in the middle of the fixed block 91, and the threaded mounting frame 92 and the threaded locking disk 93 are threadedly connected. When the water in the water tank 5 is gradually reduced due to use, the personnel can twist the threaded locking disk 93 to expose the water inlet part and add water appropriately. It is portable and practical.

[0037] The working principle of the technical solution provided by the utility model is as follows:

[0038] When the staff needs to recover the hot air from the rotary dehumidifier body 1 in operation, they can immediately start the second motor 642 inside the first connecting pipe 61 above one side of the plate heat exchanger 4 to drive the second exhaust fan 643 to operate. When the second exhaust fan 643 is operating, the hot air generated in the rotary dehumidifier body 1 will be extracted to the plate heat exchanger 4. At this time, the staff will synchronously start the first motor 636 inside the second connecting pipe 62 above one side of the plate heat exchanger 4 to rotate the first exhaust fan 637. The fan can guide the external air through the second connecting pipe 62 above to the plate heat exchanger 4 for heat exchange processing. The exchanged air will enter the plate heat exchanger 4, the second connecting pipe 62 is connected to the lower side of the dehumidifier 4. Since the second connecting pipe 62 is arranged and connected to the water tank 5, the water in the water tank 5 can be heated to avoid wasting hot air. After heating, the gas with residual heat will follow the pipe into the dehumidifier body 1, and its end is aligned with the moisture adsorption part. The personnel can turn on the regeneration heater 644 to assist in heating the residual heat again, so that the moisture in the moisture adsorption part can be evaporated. In this way, the heated gas can be circulated as mentioned above in conjunction with the guidance of the second induced fan 643, thereby avoiding the energy waste caused by the direct discharge of hot air to the outside, thereby achieving the purpose of energy saving, emission reduction and recycling.

[0039] This invention encompasses any alternatives, modifications, equivalents, and solutions that do not depart from the spirit and scope of this invention. To provide a thorough understanding of this invention, specific details are described in detail in the following preferred embodiments of this invention, but those skilled in the art will be able to fully understand this invention without these detailed descriptions. Furthermore, to avoid unnecessary confusion regarding the essence of this invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. Plate heat exchanger heat recovery rotary dehumidifier, characterized by: The utility model comprises a main body, one end of which is provided with an air processing inlet pipe, and the other end of which is provided with an air processing outlet pipe, a plate heat exchanger is provided on one side of the main body, and a water tank is provided on one side of the plate heat exchanger, an energy-saving recovery mechanism is jointly provided in the connection area of ​​the main body, the plate heat exchanger and the water tank, an insulation plate is provided on the inner side wall of the water tank, a discharge valve is provided at the lower side of one side of the water tank, a water adding mechanism is provided above the water tank, the energy-saving recovery mechanism comprises a first connecting pipe, and the first connecting pipe is provided at the upper and lower sides of one side of the plate heat exchanger, and second connecting pipes are provided at the upper and lower sides of the other side of the plate heat exchanger, wherein a filtering and heat exchanging component is provided at the end of the second connecting pipe at the upper end, and a heating component is provided on the inner side of the second connecting pipe at the lower end and one end of the first connecting pipe at the upper end.

2. The plate heat exchanger heat recovery rotary dehumidifier according to claim 1, characterized in that: The filtering and heat exchanging assembly includes a mounting ring plate, and the mounting ring plate is fixedly mounted on the end of the second connecting pipe above one side of the plate heat exchanger. A filter ring frame is attached to the outside of the mounting ring plate. Screw grooves are provided around the mounting ring plate and the filter ring frame, and a bolt rod is screwed into the middle of the screw groove. A first inner frame is mounted on the inner side of the end of the second connecting pipe above one side of the plate heat exchanger, and a first motor is fixedly mounted on one side of the first inner frame, and a first induced fan is mounted on the output end of the first motor.

3. The plate heat exchanger heat recovery rotary dehumidifier according to claim 2, characterized in that: There are four groups of screw-mounted grooves and bolt rods in total, and each group of screw-mounted grooves and bolt rods are connected by threaded mounting.

4. The plate heat exchanger heat recovery rotary dehumidifier according to claim 2, characterized in that: The filter portion of the filter ring plate frame matches the size of the opening at the end of the second connecting pipe above one side of the plate heat exchanger.

5. The plate heat exchanger heat recovery rotary dehumidifier according to claim 1, characterized in that: The heating assembly includes a second internal frame, and the second internal frame is fixed to the inner side of the end of the first connecting pipe above one side of the plate heat exchanger. A second motor is installed on one side of the middle of the second internal frame, and a second exhaust fan is installed at the output end of the second motor. A regenerative heater is installed inside the end of the second connecting pipe below one side of the plate heat exchanger.

6. The plate heat exchanger heat recovery rotary dehumidifier according to claim 5, characterized in that: The second internal frame is located in the inner part of the water tank and is distributed in a bent and connected manner.

7. The plate heat exchanger heat recovery rotary dehumidifier according to claim 1, characterized in that: The insulation board matches the inner size of the water tank.

8. The plate heat exchanger heat recovery rotary dehumidifier according to claim 1, characterized in that: One end of the discharge valve is communicated with the water tank.

9. The plate heat exchanger heat recovery rotary dehumidifier according to claim 1, characterized in that: The water adding mechanism comprises a fixed block, and the fixed block is fixedly arranged above the water tank. A threaded mounting bracket is fixedly arranged above the fixed block, and a threaded locking disc is installed around the threaded mounting bracket.

10. The plate heat exchanger heat recovery rotary dehumidifier according to claim 9, characterized in that: The threaded mounting frame and the hole groove opened in the middle of the fixing block have the same size, and the threaded mounting frame and the threaded locking disk are connected by threaded mounting.