Compression dehumidification dryer suitable for large air volume
Through gradient pore design and dynamic adjustment of pore diameter, the airflow path is optimized, combined with multi-layer filtration and reverse airflow, the problems of airflow turbulence and high pressure drop in the rotary dryer under high air volume conditions are solved, achieving efficient dehumidification and energy consumption reduction.
Patent Information
- Application Number
- CN202510597627.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2025-07-25
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing rotary wheel dryers are prone to air turbulence and local high pressure drop under high air volume conditions, resulting in low dehumidification efficiency and high energy consumption.
The adsorption layer and transition layer designed with gradient pores are adopted, combining dynamic adjustment of the pore size and magnetic adjustment to ensure smooth passage of airflow; a multi-layer filter structure and reverse airflow path are set to optimize airflow distribution and uniformity.
Improves dehumidification efficiency, reduces energy consumption, extends the life of the equipment, reduces noise and vibration, and enhances the flexibility and adaptability of the equipment.
Smart Images
Figure CN120361693A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of drying equipment, and particularly to a compression dehumidification dryer suitable for large air volumes. Background Art
[0002] The rotary dryer is a high-efficiency humidity control device based on the principle of physical adsorption. Its core consists of a honeycomb rotary wheel coated with a moisture-absorbing material (such as silica gel, molecular sieve or MOFs). The rotary wheel is divided into a moisture-absorbing zone, a regeneration zone and a cooling zone, and is driven by a motor to rotate slowly (8 - 20 revolutions per hour) to achieve a continuous drying cycle. When humid air flows through the rotary wheel in the moisture-absorbing zone, water molecules are adsorbed by the porous moisture-absorbing material, and the dried air is discharged. Subsequently, the rotary wheel rotates to the regeneration zone, and high-temperature air (80 - 150 °C) heats the moisture-absorbing layer, and the desorbed moisture is discharged with the regeneration exhaust gas. After regeneration, the rotary wheel is cooled in the cooling zone and then re-enters the moisture-absorbing process. Its structure usually integrates a heat recovery device to reduce energy consumption, and adopts a gradient pore design and regional material optimization (such as large-pore silica gel in the outer layer for quickly adsorbing high-humidity moisture and microporous molecular sieve in the inner layer for deep drying). It has the advantages of low-temperature adaptability (down to -20 °C), large air volume handling capacity (up to tens of thousands of m³ / h) and precise dew point control (down to below -50 °C), and is widely used in industrial scenarios such as lithium battery production, pharmaceutical storage, and food drying.
[0003] In the rotary dryer, the adsorption layer part may be divided into multiple layers in the radial direction, and the pore sizes of the adsorption media in each layer are different. When entering from the adsorption medium with large pores to the adsorption medium with small pores, turbulent flow may easily occur, resulting in the diffusion of water vapor in the adsorption layer. Therefore, a transition layer needs to be set up with a gradually changing pore structure. However, when the rotary wheel rotates, the air flow directions in the moisture-absorbing zone and the recovery zone may be inconsistent, and the setting of the transition layer may hinder the air flow movement in the recovery zone. Summary of the Invention
[0004] (I) Technical problems to be solved: Aiming at the deficiencies of the prior art, the present invention provides a compression dehumidification dryer suitable for large air volumes, which has the advantage of optimizing the drying air flow path and solves the problem of easy generation of turbulent flow of the air flow.
[0005] (2) Technical solution: To achieve the above object of optimizing the drying air flow path, the present invention provides the following technical solution: A compression dehumidifying dryer applicable to a large air volume, including a moisture absorption rotor, the moisture absorption rotor is arranged in an air duct and is composed of an adsorption layer, a fixing layer and a transition layer. The moisture absorption rotor is driven to rotate by a pulley. A filter layer is provided on one side of the adsorption layer away from the fixing layer. The filter layer is not driven to rotate by the pulley. The adsorption layer is radially divided into at least two adsorption zones, and the adsorption media in different adsorption zones are different. The adsorption medium in the adsorption zone close to the filter layer has the largest pores. A transition layer is provided in the adsorption layer. The transition layer is arranged on the side of the adsorption zone with the largest pores away from the filter layer. Adjusting holes are arrayed on the transition layer. A pressing plate and a bladder are provided on one side of the adjusting hole. A rotating shaft is provided at the center of the pressing plate. The pressing plate can rotate around the rotating shaft to squeeze the bladder, so that the overall aperture of the adjusting hole changes gradually. An outer ring electromagnet is provided outside the adsorption layer, and an inner ring electromagnet is provided at the inner rotating shaft. A magnetic plate is provided on the surface of the pressing plate.
[0006] A first filter plate and a second filter plate are provided on the filter layer. The first filter plate is circular and is concentrically arranged on the filter layer. Different first filter plates have different diameters. The second filter plate is arranged radially. The filter layer is driven by a pulley and rotates independently from the moisture absorption rotor.
[0007] A fixing frame is provided on the fixing layer. A cleaning roller is provided on the fixing frame. When the filter layer rotates, its surface will contact the cleaning roller to generate friction, causing the cleaning roller to rotate.
[0008] The height of the second filter plate is lower than that of the first filter plate.
[0009] Rounded corners that are recessed downward are provided on both sides of the second filter plate, so that a bowl-shaped recess is formed between every two second filter plates.
[0010] The bladder is made of silica gel, and the thickness of the bladder on the side close to the filter layer is thinner than that on the side away from the filter layer. The bladder is filled with a fluid.
[0011] The air flow directions in the moisture absorption zone and the regeneration zone of the moisture absorption rotor are the same.
[0012] The bladder is made of silica gel, and the two sides of the bladder are symmetrically designed. Rubber particles are filled inside the bladder.
[0013] The air flow directions in the moisture absorption zone and the regeneration zone of the moisture absorption rotor are opposite. The air flow in the moisture absorption zone first passes through the filter layer and then enters the adsorption layer.
[0014] (III) Beneficial effects: Compared with the prior art, the present invention provides a compression dehumidifying dryer applicable to a large air volume, having the following beneficial effects: 1. In the compression dehumidifying dryer applicable to a large air volume, the adsorption layer is composed of adsorption media with different pore sizes. From the side close to the filter layer to the inner side, the pores gradually decrease. This gradient design not only improves the dehumidification efficiency but also ensures deep drying. The large-pore media can quickly absorb a large amount of moisture, while the small-pore media can further capture the residual moisture, achieving an efficient and thorough dehumidification effect. By dynamically adjusting the aperture size of the adjustment holes on the transition layer, the system can intelligently adjust according to the actual needs of the air flow, ensuring that the air flow passes through the adsorption layer smoothly and evenly. This design avoids the disorder and local high pressure drop of the air flow in the adsorption layer, improves the dehumidification efficiency, and reduces energy consumption. The pressing plate realizes intelligent tilt adjustment through the interaction of the magnetic plate with the outer ring electromagnet and the inner ring electromagnet. This mechanism can dynamically adjust the aperture size of the adjustment holes according to parameters such as the air flow rate and humidity, avoiding the eddy current and local high pressure drop caused by sudden changes in the aperture. The reduction of eddy current means the reduction of energy loss, and the elimination of high pressure drop helps to maintain the stability and continuity of the air flow. The aperture of the adjustment holes gradually changes from the outer layer to the inner layer. This design helps to smooth the air flow transition and reduce the disturbance of the air flow in the adsorption layer. The gradually changing aperture not only improves the dehumidification efficiency but also reduces the noise and vibration caused by air flow disorder. Through preset conditions or data monitored in real time (such as humidity and flow rate changes), the system can intelligently adjust the tilt degree of the pressing plate, and then adjust the gradual change degree of the aperture of the adjustment holes. This intelligent adaptability enables the dehumidifying dryer to be flexibly adjusted according to different working environments and requirements, improving the flexibility and adaptability of the equipment. The gradient pore structure of the adsorption layer not only improves the dehumidification efficiency but also helps the uniform diffusion of water vapor in the adsorption media. The large-pore media can quickly absorb a large amount of moisture and evenly distribute the moisture to the small-pore media through the gradient pore structure, achieving deep drying. This design avoids the local accumulation of water vapor in the adsorption layer, ensuring the uniformity and consistency of the dehumidification effect. By dynamically adjusting the aperture size of the adjustment holes on the transition layer, the system can intelligently adjust according to the actual situation of the air flow, ensuring the uniform diffusion and rapid absorption of water vapor in the adsorption layer. This dynamic adjustment mechanism reduces the accumulation and residence time of water vapor in the adsorption layer, improves the dehumidification efficiency, and extends the service life of the adsorption media.
[0015] 2. The compression dehumidifying dryer applicable to large air volumes forms a multi-layer filtration structure by setting a first filter plate and a second filter plate 112. The first filter plate serves as the main filtration layer and can intercept most particulate matters and impurities, while the second filter plate serves as the auxiliary filtration layer to further capture fine particles, improving the overall filtration efficiency and accuracy. The filtration layer rotates independently of the moisture absorption rotor, and a cleaning roller is provided on the surface of the filtration layer. When the filtration layer rotates, friction is generated between the surface and the cleaning roller to automatically remove the dust and impurities adhering to the filter plate. This design reduces the frequency of manual cleaning and extends the service life of the filtration layer. The shape of the first filter plate is consistent with its rotation route, ensuring that the cleaning roller can effectively clean the entire surface of the filter plate during rotation. At the same time, rounded corners that are recessed downward are provided on both sides of the second filter plate to form a bowl-shaped depression. This design enables the cleaning roller to more easily enter and clean the gaps between the second filter plates during rotation, avoiding the accumulation of dust and impurities. The bowl-shaped depression formed between the second filter plates helps to optimize the air flow distribution. When the air flow passes through the filtration layer, these depressions can guide the air flow to be more evenly distributed on the moisture absorption rotor, avoiding the problem of uneven dehumidification caused by excessive or insufficient local air flow.
[0016] 3. In the compression dehumidifying dryer applicable to large air volumes, the air flow directions in the moisture absorption area and the regeneration area of the moisture absorption rotor are the same. This directional air flow design simplifies the air flow path and reduces the resistance of the air flow inside the device. The air flow to be dried first passes through the filtration layer and enters the moisture absorption area, making full contact with the moisture absorption medium in the adsorption layer to achieve efficient dehumidification. Subsequently, the moisture-absorbed rotor area rotates to the regeneration area, and the dry air passes through the filtration layer again and enters, evenly desorbing the moisture from the adsorption layer. This design ensures the smoothness and continuity of the air flow inside the device and improves the dehumidification efficiency. By adjusting the acting force of the electromagnet on the magnetic plate, the pressing plate can rotate at different angles, thereby adjusting the gradient angle of the adjustment hole. This design enables the air flow to make a smooth transition when flowing from the large-pore adsorption medium to the small-pore adsorption medium, reducing the occurrence of turbulent flow. The gradient adjustment hole not only optimizes the air flow path but also ensures the uniform distribution of the air flow in the adsorption layer, avoiding the problems of excessive or insufficient local humidity and improving the dehumidification uniformity. The same-direction flow design reduces the number of pipelines and valves inside the device, lowering the complexity and manufacturing cost of the device, which helps to improve the cost performance and market competitiveness of the device.
[0017] 4. The compression dehumidifying dryer applicable to large air volumes effectively utilizes the rotation characteristics of the moisture absorption wheel through the design of opposite air flow directions in the moisture absorption area and the regeneration area. In the moisture absorption area, the air flow to be dried first enters the adsorption layer through the filter layer. The wet water vapor first contacts the adsorption layer near the filter layer side, forming a relatively high moisture content. When the adsorption layer rotates to the regeneration area, the dry air flows from the side of the adsorption layer away from the filter layer to the side close to the filter layer, carrying away the adsorbed moisture and discharging it outside the device. This reverse flow helps to desorb the moisture in the adsorption layer more evenly, avoiding local moisture accumulation, thereby improving the overall dehumidification efficiency. Since the wet water vapor first contacts the adsorption layer near the filter layer side, the moisture content in this area is relatively high. In the regeneration area, the dry air flows from the other side, enabling the humidity on the side of the adsorption layer away from the filter layer to be much lower than that on the side close to the filter layer. The formation of this humidity difference makes the moisture absorption process more sufficient during moisture absorption because the area with a higher moisture content can more effectively absorb the moisture in the air flow. At the same time, the existence of the humidity difference also helps to desorb the moisture more quickly during the regeneration process, improving the overall dehumidification efficiency. The reverse flow enables the regeneration air flow to contact the adsorption layer more effectively, promoting the desorption of moisture, which helps to shorten the regeneration time and improve the regeneration efficiency, thus ensuring that the adsorption layer can return to the optimal dehumidification state more quickly. The capsule body is made of silica gel and is symmetrically designed on both sides, ensuring a uniform squeezing effect when the pressing plate rotates. The rubber particles filled inside the capsule body provide a stable reaction force when being squeezed, supporting the bidirectional rotation of the pressing plate. Through the interaction of the outer ring electromagnet and the inner ring electromagnet, the adjustment holes present different angles in the moisture absorption area and the regeneration area. In the moisture absorption area, the side with a larger aperture is located near the filter layer side, which helps the air flow to smoothly enter the adsorption layer; in the regeneration area, the side with a larger aperture is away from the filter layer side, making the aperture always shrink when the air flow passes through the adjustment holes, enhancing the flow guiding effect. This design not only reduces the resistance and energy consumption of the air flow inside the device but also improves the dehumidification efficiency. Description of the Drawings
[0018] Figure 1 Schematic diagram of the moisture absorption wheel structure of the present invention.
[0019] Figure 2 Side view of the moisture absorption wheel of the present invention.
[0020] Figure 3 Schematic diagram of the electromagnet arrangement of the present invention.
[0021] Figure 4 Partial schematic diagram of the transition layer of the present invention.
[0022] Figure 5 Cross-sectional view of the transition layer of the present invention.
[0023] Figure 6 Partial schematic diagram of the filter layer of the present invention.
[0024] Figure 7 This is a partially sectional view of the filter layer of the present invention.
[0025] In the figure: 1, moisture absorption rotating wheel; 11, filter layer; 12, adsorption layer; 13, fixing layer; 14, transition layer; 101, outer ring electromagnet; 102, inner ring electromagnet; 111, first filter plate; 112, second filter plate; 131, fixing frame; 132, cleaning roller; 141, capsule; 142, pressing plate; 143, adjusting hole; 1421, rotating shaft; 1422, magnetic plate. Specific embodiments
[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0027] Embodiment 1: Please refer to Figures 1-4 , applicable to a large-air-volume compression dehumidifying dryer, including a moisture absorption rotating wheel 1. The moisture absorption rotating wheel 1 is arranged in the air duct and is composed of an adsorption layer 12, a fixing layer 13, and a transition layer 14. The moisture absorption rotating wheel 1 is driven to rotate by a pulley. The adsorption layer 12 is provided with a filter layer 11 on the side away from the fixing layer 13. The filter layer 11 is not driven to rotate by the pulley. The adsorption layer 12 is radially divided into at least two adsorption zones, and the adsorption media in different adsorption zones are different. The adsorption medium in the adsorption zone close to the filter layer 11 has the largest pores. A transition layer 14 is provided in the adsorption layer 12. The transition layer 14 is arranged on the side of the adsorption zone with the largest pores away from the filter layer 11. Adjusting holes 143 are arranged in an array on the transition layer 14. A pressing plate 142 and a capsule 141 are arranged on one side of the adjusting hole 143. A rotating shaft 1421 is provided at the center of the pressing plate 142. The pressing plate 142 can rotate around the rotating shaft 1421 to squeeze the capsule 141, so that the overall aperture of the adjusting hole 143 changes gradually. An outer ring electromagnet 101 is provided outside the adsorption layer 12, and an inner ring electromagnet 102 is provided at the inner rotating shaft. A magnetic plate 1422 is provided on the surface of the pressing plate 142.
[0028] After the air flow passes through the outer layers of the filter layer 11 and the adsorption layer 12, it flows through the transition layer 14. The transition layer 14 changes the aperture size of its own adjustment holes 143 through an adjustment device. On one side of the adjustment holes 143, there are a bladder 141 and a pressing plate 142. A magnetic plate 1422 is provided on the pressing plate 142. By means of an outer ring electromagnet 101 arranged on the outer side of the adsorption layer 12 and an inner ring electromagnet 102 arranged at the inner rotating shaft, the magnetic plate 1422 is attracted and repelled. The magnetic plates 1422 are arranged at both ends of the pressing plate 142 and have different magnetic properties. Under the action of the outer ring electromagnet 101 and the inner ring electromagnet 102, the pressing plate 142 will squeeze the bladder 141 to produce an inclination, so that the aperture of the adjustment holes 143 shows a gradual change from the outer layer to the inner layer. Since the pores in different adsorption media in the adsorption layer 12 are different, and the pores of the subsequent adsorption media are smaller, through the gradual change of the pores of the adjustment holes 143, the generation of eddy currents and local high pressure drops due to sudden changes in the aperture is avoided. And because the inclination of the pressing plate 142 is affected by the magnetic field change, it can be adjusted according to different usage scenarios.
[0029] Refer to Figure 1 、 Figures 6-7 A first filter plate 111 and a second filter plate 112 are provided on the filter layer 11. The first filter plate 111 is circular and is concentrically arranged on the filter layer 11. Different first filter plates 111 have different diameters. The second filter plate 112 is arranged radially. The filter layer 11 is driven by a pulley and rotates independently with the moisture absorption runner 1. A fixing frame 131 is provided on the fixing layer 13. A cleaning roller 132 is provided on the fixing frame 131. When the filter layer 11 rotates, its surface will contact the cleaning roller 132 to generate friction, causing the cleaning roller 132 to rotate. At the same time, the shape of the first filter plate 111 is consistent with its own rotation route, and the cleaning roller 132 can effectively clean the dust adhered to the first filter plate 111 and the second filter plate 112.
[0030] Refer to Figure 7 The height of the second filter plate 112 is lower than the height of the first filter plate 111. Rounded corners that are recessed downward are provided on both sides of the second filter plate 112, forming a bowl-shaped depression between every two second filter plates 112.
[0031] In the moisture absorption rotary wheel 1, the air flow directions in the moisture absorption area and the regeneration area are the same. The air flow to be dried first passes through the filter layer 11 and enters the moisture absorption area of the adsorption layer 12. When the moisture absorption rotary wheel 1 rotates, when the area of the adsorption layer 12 that has absorbed moisture rotates to the regeneration area, the dry air passes through the filter layer 11 and enters the regeneration area of the adsorption layer 12, carrying the moisture from the front side to the back side of the adsorption layer 12, so that the moisture absorbed in the adsorption layer 12 is evenly reduced, making the overall humidity of the adsorption layer 12 relatively average. When the overall humidity of the adsorption layer 12 tends to be consistent, during the moisture absorption process, it can meet the drying requirements of a large air volume, quickly reduce the moisture content in the gas. At the same time, during the regeneration process, it can also reduce the moisture content in the adsorption layer 12 back to the required value. The bladder 141 is made of silica gel, and the thickness of the bladder 141 on the side close to the filter layer 11 is thinner than that on the side far from the filter layer 11, which limits the rotation angle of the pressing plate 142. The bladder 141 is filled with a fluid, so that when the pressing plate 142 presses one side of the bladder 141, the internal filler can flow to the other side. By adjusting the magnetic force of the outer ring electromagnet 101 and the inner ring electromagnet 102, the acting force on the magnetic plate 1422 is changed, so that the pressing plate 142 can rotate at different angles, making the adjustment holes 143 present a gradual change at different angles. When the air flow flows from the large pore adsorption medium to the small pore adsorption medium, the occurrence of turbulent flow is reduced, the diffusion of water vapor is avoided, and the orderly flow of the gas is ensured to meet the drying requirements of different air volumes and wind speeds.
[0032] Embodiment 2: Please refer to Figures 1-4 , a compression dehumidifying dryer applicable to a large air volume, including a moisture absorption rotary wheel 1. The moisture absorption rotary wheel 1 is arranged in the air duct and is composed of an adsorption layer 12, a fixing layer 13 and a transition layer 14. The moisture absorption rotary wheel 1 is driven to rotate by a pulley. The adsorption layer 12 is provided with a filter layer 11 on the side far from the fixing layer 13. The filter layer 11 is not driven to rotate by the pulley. The adsorption layer 12 is radially divided into at least two adsorption areas, and the adsorption media in different adsorption areas are different. The adsorption medium in the adsorption area close to the filter layer 11 has the largest pores. A transition layer 14 is arranged in the adsorption layer 12. The transition layer 14 is arranged on the side of the adsorption area with the largest pores far from the filter layer 11. Adjustment holes 143 are arranged in an array on the transition layer 14. A pressing plate 142 and a bladder 141 are arranged on one side of the adjustment holes 143. A rotating shaft 1421 is arranged at the center of the pressing plate 142. The pressing plate 142 can rotate around the rotating shaft 1421 to press the bladder 141, so that the overall aperture of the adjustment holes 143 presents a gradual change. An outer ring electromagnet 101 is arranged outside the adsorption layer 12, and an inner ring electromagnet 102 is arranged at the inner side rotating shaft. A magnetic plate 1422 is arranged on the surface of the pressing plate 142.
[0033] After the air flow passes through the outer layers of the filter layer 11 and the adsorption layer 12, it flows through the transition layer 14. The transition layer 14 changes the aperture size of its own adjustment holes 143 through an adjustment device. On one side of the adjustment holes 143, there are a bladder 141 and a pressing plate 142. A magnetic plate 1422 is provided on the pressing plate 142. By means of an outer ring electromagnet 101 arranged on the outside of the adsorption layer 12 and an inner ring electromagnet 102 arranged at the inner rotating shaft, the magnetic plate 1422 is attracted and repelled. The magnetic plates 1422 are arranged at both ends of the pressing plate 142 and have different magnetic properties. Under the action of the outer ring electromagnet 101 and the inner ring electromagnet 102, the pressing plate 142 will squeeze the bladder 141 to generate an inclination, making the aperture of the adjustment holes 143 show a gradual change from the outer layer to the inner layer. Since the pores in different adsorption media in the adsorption layer 12 are different, and the pores of the subsequent adsorption media are smaller, through the gradual change of the pores of the adjustment holes 143, the generation of eddy currents and local high pressure drops due to sudden changes in the aperture is avoided. And because the inclination of the pressing plate 142 is affected by the magnetic field change, it can be adjusted according to different usage scenarios.
[0034] Refer to Figure 1 、 Figures 6-7 On the filter layer 11, there are a first filter plate 111 and a second filter plate 112. The first filter plate 111 is circular and is concentrically arranged on the filter layer 11. Different first filter plates 111 have different diameters. The second filter plate 112 is arranged radially. The filter layer 11 is driven by a pulley and rotates independently from the moisture absorption runner 1. On the fixed layer 13, there is a fixed frame 131. A cleaning roller 132 is provided on the fixed frame 131. When the filter layer 11 rotates, its surface will contact the cleaning roller 132 to generate friction, causing the cleaning roller 132 to rotate. At the same time, the shape of the first filter plate 111 is consistent with its own rotation route, and the cleaning roller 132 can effectively clean the dust adhered to the first filter plate 111 and the second filter plate 112.
[0035] Refer to Figure 7 The height of the second filter plate 112 is lower than that of the first filter plate 111. Rounded corners that are recessed downward are provided on both sides of the second filter plate 112, forming a bowl-shaped depression between every two second filter plates 112.
[0036] In the moisture absorption rotating wheel 1, the air flow directions in the moisture absorption area and the regeneration area are opposite. In the moisture absorption area, the air flow first passes through the filter layer 11 and then enters the adsorption layer 12. The air flow to be dried first passes through the filter layer 11 and enters the moisture absorption area of the adsorption layer 12. When the moisture absorption rotating wheel 1 rotates, when the area of the adsorption layer 12 that has absorbed moisture rotates to the regeneration area, the dry air passes through the adsorption layer 12 and flows in the direction of the filter layer 11, carrying the moisture from the rear side to the front side of the adsorption layer 12. Because during the moisture absorption process, the wet water vapor first contacts the adsorption layer 12 near the filter layer 11 side, the moisture content at this place is relatively high. In the regeneration area, the dry air flows from one side of the adsorption layer 12 to the filter layer 11 side, which can keep the humidity on the side of the adsorption layer 12 far from the filter layer 11 much lower than that on the side near the filter layer 11, effectively forming a humidity difference, and making the moisture absorption more sufficient during the moisture absorption process. The capsule body 141 is made of silica gel, and both sides of the capsule body 141 are symmetrically designed to ensure that the capsule body 141 has a completely symmetrical shape and structure, so as to produce a uniform extrusion effect when the pressing plate 142 rotates. The inside of the capsule body 141 is filled with rubber particles, and these materials can provide a stable reaction force when being extruded, support the bidirectional rotation of the pressing plate 142, and through the interaction of the outer ring electromagnet 101 and the inner ring electromagnet 102, ensure that when the adjustment hole 143 is located in the moisture absorption area, the side with the larger aperture is located near the filter layer 11 side. When the adjustment hole 143 is located in the regeneration area, the pressing plate 142 rotates, making the side with the larger aperture away from the side near the filter layer 11, so that when the air flow passes through the adjustment hole 143, the aperture always remains in a shrinking state, increasing the flow guiding effect.
[0037] Working principle: After the air flow passes through the filter layer 11 and the outer layer of the adsorption layer 12, it flows through the transition layer 14. The transition layer 14 changes the aperture size of its own adjustment hole 143 through an adjustment device. One side of the adjustment hole 143 is provided with a capsule body 141 and a pressing plate 142. A magnetic plate 1422 is provided on the pressing plate 142. Through the outer ring electromagnet 101 arranged outside the adsorption layer 12 and the inner ring electromagnet 102 arranged at the inner side rotating shaft, the magnetic plate 1422 is attracted and repelled. The magnetic plates 1422 are arranged at both ends of the pressing plate 142 and have different magnetic properties. Under the action of the outer ring electromagnet 101 and the inner ring electromagnet 102, the pressing plate 142 will squeeze the capsule body 141 to produce an inclination, making the aperture of the adjustment hole 143 gradually change from the outer layer to the inner layer. Because the pores in different adsorption media in the adsorption layer 12 are different, and the pores of the subsequent adsorption media are smaller. By gradually changing the pores of the adjustment hole 143, the generation of eddy currents and local high pressure drops due to sudden changes in the aperture are avoided. And because the inclination of the pressing plate 142 is affected by the magnetic field change, it can be adjusted according to different usage scenarios. At the same time, when the adjustment hole 143 rotates to the position of the regeneration area in the moisture absorption rotating wheel 1, if the flow rate of the regeneration air flow in the adsorption layer 12 is opposite to that in the moisture absorption area, the inclination angle of the pressing plate 142 can be changed through the magnetic field action, increasing the flow rate of the regeneration air flow and accelerating the regeneration of the adsorption layer 12.
[0038] It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.
[0039] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A compression dehumidifying dryer applicable to a large air volume, comprising a moisture absorption rotating wheel (1). The moisture absorption rotating wheel (1) is arranged in an air duct and is composed of an adsorption layer (12), a fixing layer (13) and a transition layer (14). The moisture absorption rotating wheel (1) is driven to rotate by a pulley. The filtering layer (11) is arranged on one side of the adsorption layer (12) away from the fixing layer (13), and the filtering layer (11) is not driven to rotate by the pulley. It is characterized in that: The adsorption layer (12) is radially divided into at least two adsorption zones, and the adsorption media in different adsorption zones are different. The adsorption medium in the adsorption zone close to the filter layer (11) has the largest pores. A transition layer (14) is provided in the adsorption layer (12). The transition layer (14) is arranged on the side of the adsorption zone with the largest pores away from the filter layer (11). Adjusting holes (143) are arrayed on the transition layer (14). A pressing plate (142) and a bladder (141) are provided on one side of the adjusting holes (143). A rotating shaft (1421) is provided at the center of the pressing plate (142). The pressing plate (142) can rotate around the rotating shaft (1421) to squeeze the bladder (141), causing a gradual change in the aperture of the overall adjusting holes (143). An outer ring electromagnet (101) is provided outside the adsorption layer (12), and an inner ring electromagnet (102) is provided at the inner rotating shaft. A magnetic plate (1422) is provided on the surface of the pressing plate (142).
2. The compression dehumidifying dryer applicable to a large air volume according to claim 1, wherein: A first filter plate (111) and a second filter plate (112) are provided on the filter layer (11). The first filter plate (111) is circular and is concentrically arranged on the filter layer (11). Different first filter plates (111) have different diameters. The second filter plate (112) is arranged radially. The filter layer (11) is driven by a pulley and rotates independently from the moisture absorption rotor (1).
3. The compression dehumidifying dryer applicable to large air volume according to claim 2, wherein: A fixing frame (131) is provided on the fixing layer (13). A cleaning roller (132) is provided on the fixing frame (131). When the filter layer (11) rotates, its surface will contact the cleaning roller (132) to generate friction, causing the cleaning roller (132) to rotate.
4. The compressed dehumidifying dryer applicable to a large air volume according to claim 3, wherein: The height of the second filter plate (112) is lower than the height of the first filter plate (111).
5. The compression dehumidifying dryer applicable to large air volume according to claim 4, wherein: Rounded corners that are recessed downward are provided on both sides of the second filter plate (112), forming a bowl-shaped depression between every two second filter plates (112).
6. The compression dehumidifying dryer applicable to a large air volume according to claim 1, wherein: The bladder (141) is made of silica gel. The thickness of the bladder (141) on the side close to the filter layer (11) is thinner than that on the side away from the filter layer (11). The bladder (141) is filled with a fluid inside.
7. The compression dehumidifying and drying machine applicable to large air volume according to claim 6, wherein: The air flow directions in the moisture absorption zone and the recovery zone in the moisture absorption rotor (1) are the same.
8. A compression dehumidifying dryer applicable to a large air volume according to claim 1, characterized in that: The bladder (141) is made of silica gel, and the two sides of the bladder (141) are symmetrically designed. The inside of the bladder (141) is filled with rubber particles.
9. The compression dehumidifying dryer applicable to large air volume according to claim 8, characterized in that: The air flow directions in the moisture absorption zone and the recovery zone in the moisture absorption rotor (1) are opposite. The air flow in the moisture absorption zone first passes through the filter layer (11) and then enters the adsorption layer (12).