CN220648821U - Efficient dehumidification module of closed-loop dehumidification heat pump dryer - Google Patents
Efficient dehumidification module of closed-loop dehumidification heat pump dryer Download PDFInfo
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- CN220648821U CN220648821U CN202322196775.8U CN202322196775U CN220648821U CN 220648821 U CN220648821 U CN 220648821U CN 202322196775 U CN202322196775 U CN 202322196775U CN 220648821 U CN220648821 U CN 220648821U
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- air channel
- heat pump
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- dehumidification
- cold air
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 50
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000001035 drying Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Abstract
The utility model provides a high-efficiency dehumidification module of a closed-loop dehumidification heat pump dryer, which comprises: the hot air channel and the cold air channel of the staggered heat exchanger are sequentially staggered and overlapped, a plurality of opposite bulges which are distributed side by side in a staggered manner are arranged in the hot air channel and the cold air channel, the air flowing direction in the cold air channel is from left to right, and the air flowing direction in the hot air channel is perpendicular to the cold air channel from front to back. The high-efficiency dehumidification module of the closed-loop dehumidification heat pump dryer is simple in structure and ingenious in design, heat exchange coefficients and heat exchange quantity can be improved through the design of staggered distribution opposite-top protrusions in the innovative heat exchange air duct, flow resistance of the heat exchange air duct is reduced, and the size of the staggered heat exchanger is reduced.
Description
Technical Field
The utility model relates to the technical field of heat exchange equipment, in particular to a high-efficiency dehumidification module of a closed-loop dehumidification heat pump dryer and a control method.
Background
The closed heat pump dehumidifying and drying machine is one kind of heat raising device, and has high temperature heat pump drier set to absorb heat from surrounding environment and to transfer the heat to heated object, and is mainly applied in the stoving and dewatering of food, medicine, timber, farm and sideline products, industrial product, etc.
The closed heat pump dehumidifying and drying unit consists of dehumidifying evaporator, heat pump evaporator, compressor, condenser, expansion valve and staggered heat exchanger, and has the thermodynamic cycle comprising the steps of evaporating, compressing, condensing (heat release in indoor stoving room), throttling and re-evaporating to transfer the heat from the low temperature environment to the stoving room. After the hot air is cooled by the staggered heat exchangers according to the dehumidification requirement, the relative humidity is increased, the cooled and dehumidified air is cooled by the dehumidification evaporator, the dehumidified air is mixed with bypass air of the drying room and then enters the condenser for heating, and the cooled and dehumidified air enters the drying room for heat absorption and humidification after the relative humidity is reduced, so that the dehumidification cycle process is carried out. In the dehumidification process, the air in the drying room and the air in the dehumidification function room do not exchange heat with the outside, and the moisture in the hot and humid air is condensed, separated and discharged completely through the heat pump dehumidification system in the dehumidification function room, so that the aim of reducing the air humidity in the drying room is fulfilled. The refrigerant completes the gaseous boosting and heating process in the compressor (the temperature is up to 100 ℃), and the refrigerant enters the condenser to release high-temperature heat to heat the air in the drying room, meanwhile, the refrigerant is cooled and converted into liquid, after the refrigerant runs to the heat pumping evaporator (external machine) or the dehumidifying evaporator (internal machine), the liquid is rapidly absorbed and evaporated to be converted into gas again, the temperature of the refrigerant can be reduced to-10 ℃ to 40 ℃, and at the moment, the air supplied by the heat pumping evaporator or the dehumidifying evaporator continuously transfers heat to the refrigerant.
The dehumidifying module is a very important part in front of the dehumidifying evaporator (internal machine), and the working principle of the dehumidifying module is to cool air through heat exchange, so that water vapor in the air is cooled or partially condensed into condensed water, thereby reducing the return air temperature entering the dehumidifying evaporator, increasing the dehumidifying capacity of the dehumidifying evaporator and reducing the return air moisture content to a greater extent. For example, the patent of the application number 201821220573.5 proposes a heat pump drying device adopting high-efficiency dehumidification modules with different area air volume ratios for air inlet precooling, at least two sets of dehumidification systems are arranged in a device shell, and the high-efficiency dehumidification modules with smaller areas are used for working in the early and middle stages of the operation of the air flow closed cycle heat pump drying device; and in the later period of the operation of the air flow closed cycle heat pump drying device, the high-efficiency dehumidification module with a large area is utilized to work, so that the problems that the air return temperature is increased, the relative humidity is reduced, the dew point temperature is reduced and the evaporator cannot condensate water in the later period of the drying are solved. However, the heat pump drying device at least needs two sets of dehumidification systems, and the equipment manufacturing cost is high.
The application number 201920970987.8 patent provides an air heat exchanger, including framework and a plurality of vertical range upon range of setting in the framework and be polygonal heat exchanger piece, prevent through setting up and connect the tongue and break away from the slot through setting up and prevent taking off the structure to realize the reliable connection of bordure strip and last shrouding and lower shrouding, and its the heat exchanger piece on set up convex closure and recess, convex closure and recess staggered spacing on same range, with adjacent range dislocation distribution on same heat exchanger piece, convex closure and recess upper and lower symmetric distribution between the adjacent two-layer heat exchanger piece. The air heat exchanger does not need fasteners such as screws, and the installation process is very quick, convenient and labor-saving, so that the installation efficiency is greatly improved. However, after the convex hulls and the grooves are arranged, the air flow resistance of the air is obviously increased at the air flow lines of the convex hulls and the grooves, and the improvement of the heat exchange efficiency is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the high-efficiency dehumidification module of the closed-loop dehumidification heat pump dryer, which has a compact structure, and can reduce the flow resistance of a wind channel, improve the heat exchange coefficient and the heat exchange quantity and reduce the volume of an interlaced heat exchanger by innovating a plurality of opposite-top bulges which are arranged side by side and staggered in a heat exchange air channel.
The utility model provides a high-efficiency dehumidification module of a closed-loop dehumidification heat pump dryer, which comprises: the hot air channel and the cold air channel of the staggered heat exchanger are sequentially staggered and overlapped, a plurality of opposite bulges which are distributed side by side in a staggered manner are arranged in the hot air channel and the cold air channel, the air flowing direction in the cold air channel is from left to right, and the air flowing direction in the hot air channel is perpendicular to the cold air channel from front to back.
In the technical scheme, during actual working, part of hot return air of the drying room flows through the hot air channel, cold air dehumidified by the evaporator flows through the cold air channel, the flowing direction of the hot return air of the drying room in the hot air channel is vertical to the flowing direction of the cold air dehumidified by the evaporator in the cold air channel, and in the actual heat exchange process, the top surface and the bottom surface of the hot return air of the drying room can be subjected to heat exchange with the cold air dehumidified by the evaporator, so that the heat exchange area and the heat exchange quantity can be improved, and the heat exchange efficiency is greatly improved. And because a plurality of opposite bulges which are distributed side by side in a staggered way are arranged in the air duct, the turbulence degree of the air flow can be improved, and meanwhile, the whole flow length of the air flow is improved, so that the heat exchange coefficient and the heat exchange quantity can be improved, and the volume of the staggered heat exchanger is reduced.
Preferably, the opposite-top bulge is formed by an upward bulge hemispherical bulge and a downward bulge hemispherical bulge, and the upward hemispherical bulge top and the downward hemispherical bulge top are propped against each other.
Preferably, the upward hemispherical protrusion and the downward hemispherical protrusion have the same size, so as to improve the overall strength when the upward hemispherical protrusion and the downward hemispherical protrusion are abutted, and improve the uniformity of air flowing in the air duct.
Preferably, the opposite-top protrusions arranged in the air duct are formed by arranging three opposite-top protrusions side by side into an opposite-top protrusion group, and the opposite-top protrusion groups are distributed in the air duct in a staggered manner side by side.
Preferably, the cold air channel and the hot air channel are both composed of aluminum plates, the left end face and the right end face of the cold air channel are both arranged to be open structures, and the front end face and the rear end face are sealed; the front end face and the rear end face of the hot air channel are both arranged to be of an open structure, the left end face and the right end face are sealed, the heat exchange efficiency of the aluminum plate is high, the strength is good, and the aluminum plate is easy to process.
Preferably, the upward hemispherical protrusion is arranged on the bottom surface of the aluminum plate air channel and protrudes upwards, the downward hemispherical protrusion is arranged on the top surface of the aluminum plate air channel and protrudes downwards, and the upward hemispherical protrusion and the downward hemispherical protrusion in the air channel can be formed by pressing through a die.
The efficient dehumidification module of the closed-loop dehumidification heat pump dryer has the beneficial effects that: the high-efficiency dehumidification module of the closed-loop dehumidification heat pump dryer is simple in structure and ingenious in design, the plurality of opposite bulges which are distributed side by side in the innovative heat exchange air duct are designed, the manufacturing cost is low, the using cost is low, and the direction of air flow in the hot air duct is perpendicular to the direction of air flow in the cold air duct. And because a plurality of opposite bulges which are distributed side by side in a staggered way are arranged in the air duct, the turbulence degree of the air flow can be improved, and meanwhile, the whole flow length of the air flow is improved, so that the heat exchange coefficient and the heat exchange quantity can be improved, and the volume of the staggered heat exchanger is reduced.
Drawings
Fig. 1 is a front view of a portion of an alternate heat exchanger according to the present utility model.
Fig. 2 is a left side view of a portion of the structure of the staggered heat exchanger of the present utility model.
Fig. 3 is a perspective view I of a portion of the staggered heat exchanger of the present utility model.
Fig. 4 is a perspective view ii of a portion of the staggered heat exchanger according to the present utility model.
Fig. 5 is a perspective view showing the structure of the staggered heat exchanger in accordance with the present utility model.
Fig. 6 is a schematic diagram of a closed loop dehumidification heat pump dryer high efficiency dehumidification module system of the present utility model.
In the figure: 1. a lower hot air channel bottom plate; 2. a cold air channel; 21. a plate body; 3. a hot air channel top plate; 4. a first layer of hot air passages; 5. a second layer of hot air channels; 6. a butt-joint protrusion; 7. a first layer of cold air channel; 8. a bottom plate of the upper hot air channel; 9. a cold air channel top plate; 10. a cold air channel bottom plate; 11. a drying room; 12. a first fan; 13. a first condenser; 14. staggered heat exchangers; 15. a dehumidifying evaporator; 16. a dehumidifying function chamber; 17. a second condenser; 18. and a second fan.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of the present utility model.
Example 1: a high-efficiency dehumidification module of a closed-loop dehumidification heat pump dryer.
Referring to fig. 1 to 6, a closed loop dehumidification heat pump dryer high efficiency dehumidification module includes: the staggered heat exchanger 14, the dehumidifying evaporator 15 and the ventilating duct connected with the staggered heat exchanger are formed by the aluminum plates, the hot air channels and the cold air channels of the staggered heat exchanger 14 are sequentially staggered and overlapped, the hot air channels are mounted on the cold air channels in a laminating mode, the cold air channel top plate 9 is mounted below the upper hot air channel bottom plate 8 in a laminating mode, the cold air channels and the hot air channels are oppositely protruded through staggered distribution in the innovative heat exchange air channels, direct heat exchange between the cold air channel top plate 9 and the upper hot air channel bottom plate 8 can be facilitated, and heat exchange efficiency is improved. The plate body 21 is a multi-layer aluminum plate, a hot air channel and a cold air channel which are mutually perpendicular in air channel are arranged between the plate body 21 and are sequentially overlapped, the left end face and the right end face of the cold air channel 2 are both arranged to be of an open structure, and the front end face and the rear end face are sealed; the front end face and the rear end face of the hot air channel 4 and the hot air channel 5 are all arranged to be of an open structure, the left end face and the right end face are sealed, the structure is easy to process, the heat exchange efficiency of the aluminum plate is high, the strength is good, and the structure is easy to process.
Referring to fig. 5, air channels penetrating through the plate body are arranged between the layers of the plate body 21 (shown in fig. 1 and 2, and respectively formed into a hot air channel and a cold air channel), the hot air inlet is an air channel inlet of the hot return air of the drying room, wherein the flow direction of the hot air is from front to back, the cold air inlet is an air channel inlet of the cold air dehumidified by the evaporator, and the flow direction of the cold air is from left to right.
Referring to fig. 1 to 5, a plurality of opposite-top protrusions 6 are disposed in the hot air channel and the cold air channel, the opposite-top protrusions 6 are composed of hemispherical protrusions protruding upwards and hemispherical protrusions protruding downwards, the tips of the hemispherical protrusions protruding upwards and the tips of the hemispherical protrusions protruding downwards are propped against each other, and by means of the structural design, turbulence degree of air flowing in the air channel can be improved, overall strength of upper side surfaces and lower side surfaces of the channels between plates can be improved, and accordingly the plate body 21 can resist compression. The upward hemispherical bulges and the downward hemispherical bulges are the same in size, so that the overall strength of the upward hemispherical bulges and the downward hemispherical bulges when the upward hemispherical bulges and the downward hemispherical bulges are propped against each other is improved, and the uniformity of air flowing in the air duct is improved.
Referring to fig. 4 to 5, the opposite-top protrusions 6 arranged in the hot air channel and the cold air channel are formed by arranging three opposite-top protrusions side by side to form an opposite-top protrusion group, and the opposite-top protrusion groups are distributed in the air channel side by side in a staggered manner. Because the air duct is internally provided with the plurality of opposite bulges 6 which are distributed side by side in a staggered way, the turbulence degree of the air flow can be improved, the whole flow length of the air flow is improved, the heat exchange coefficient and the heat exchange quantity can be improved, and the volume of the staggered heat exchanger 14 is reduced.
The high-efficiency dehumidification module of the closed-loop dehumidification heat pump dryer is simple in structure, ingenious in design, low in manufacturing cost and low in use cost through the innovative sandwich structure design, and through the fact that the direction of cold air dehumidified by the evaporator in the cold air channel is perpendicular to the flowing direction of the hot return air of the drying room in the hot air channel, during actual working, part of the hot return air of the drying room flows through the hot air channel, the cold air dehumidified by the evaporator flows through the cold air channel, and the flowing direction of the hot return air of the drying room in the hot air channel is perpendicular to the flowing direction of the cold air dehumidified by the evaporator in the cold air channel. And because the hot air channel and the cold air channel are internally provided with a plurality of opposite bulges 6 which are distributed side by side in a staggered way, the turbulence degree of the air flow can be improved, and meanwhile, the whole flow length of the air flow is improved, so that the heat exchange coefficient and the heat exchange quantity can be improved, and the volume of the staggered heat exchanger is reduced.
The foregoing is a preferred embodiment of the present utility model, but the present utility model should not be limited to the embodiment and the disclosure of the drawings, so that the equivalents and modifications can be made without departing from the spirit of the disclosure.
Claims (6)
1. The utility model provides a high-efficient dehumidification module of closed loop dehumidification heat pump drying-machine which characterized in that includes: the hot air channel and the cold air channel of the staggered heat exchanger are sequentially staggered and overlapped, a plurality of opposite bulges which are distributed side by side in a staggered manner are arranged in the hot air channel and the cold air channel, the air flowing direction in the cold air channel is from left to right, and the air flowing direction in the hot air channel is perpendicular to the cold air channel from front to back.
2. The closed loop dehumidification heat pump dryer high efficiency dehumidification module of claim 1, wherein: the opposite-top bulge is composed of an upward bulge hemispherical bulge and a downward bulge hemispherical bulge, and the top of the upward hemispherical bulge is abutted against the top of the downward hemispherical bulge.
3. The closed loop dehumidification heat pump dryer high efficiency dehumidification module of claim 2, wherein: the upward hemispherical protrusion and the downward hemispherical protrusion are the same size.
4. The closed loop dehumidification heat pump dryer high efficiency dehumidification module of claim 1, wherein: the opposite-top bulges arranged in the air duct are formed by arranging three opposite-top bulges side by side into an opposite-top bulge group, and the opposite-top bulge groups are distributed in the air duct in a staggered manner side by side.
5. The closed loop dehumidification heat pump dryer high efficiency dehumidification module of claim 2, wherein: the cold air channel and the hot air channel are both composed of aluminum plates, the left end face and the right end face of the cold air channel are both arranged to be open structures, and the front end face and the rear end face are sealed; the front end face and the rear end face of the hot air channel are both arranged to be of an open structure, and the left end face and the right end face are sealed.
6. The closed loop dehumidification heat pump dryer efficient dehumidification module of claim 5, wherein: the upward hemispherical bulge is arranged on the bottom surface of the aluminum plate air channel and protrudes upwards, and the downward hemispherical bulge is arranged on the top surface of the aluminum plate air channel and protrudes downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322196775.8U CN220648821U (en) | 2023-08-15 | 2023-08-15 | Efficient dehumidification module of closed-loop dehumidification heat pump dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322196775.8U CN220648821U (en) | 2023-08-15 | 2023-08-15 | Efficient dehumidification module of closed-loop dehumidification heat pump dryer |
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| Publication Number | Publication Date |
|---|---|
| CN220648821U true CN220648821U (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322196775.8U Active CN220648821U (en) | 2023-08-15 | 2023-08-15 | Efficient dehumidification module of closed-loop dehumidification heat pump dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220648821U (en) |
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2023
- 2023-08-15 CN CN202322196775.8U patent/CN220648821U/en active Active
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