CN223580451U - A heat pump drying device - Google Patents
A heat pump drying deviceInfo
- Publication number
- CN223580451U CN223580451U CN202423205302.0U CN202423205302U CN223580451U CN 223580451 U CN223580451 U CN 223580451U CN 202423205302 U CN202423205302 U CN 202423205302U CN 223580451 U CN223580451 U CN 223580451U
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- heat pump
- air
- dehumidifier
- drying
- fan
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Abstract
本实用新型涉及烘干技术领域，针对现有热泵式烘干装置除湿效果有限，在使用时存在湿空气不断积累，进而影响设备性能、影响烘干效率和产品品质的问题，提供了一种热泵式烘干装置，包括箱体，箱体内的侧板将箱体内腔分隔为设备放置区和物料烘干区；侧板靠近底部的位置开设有送风口，侧板靠近顶部的位置开设有回风口；设备放置区水平架设有隔板，隔板下方设置有热泵，上方设置有除湿器。热泵产生的热风从送风口进入物料烘干区，烘干时湿度增加的热风再通过回风口进入除湿器中除湿后，而后再进入热泵中循环利用，且隔板可分隔湿度大的热风，进而避免湿度过大影响热泵的制热效率。本装置除湿效果好、制热效率高，可有效保障烘干效率和产品品质。
This utility model relates to the field of drying technology. Addressing the problem that existing heat pump drying devices have limited dehumidification effects and suffer from continuous accumulation of humid air during use, thus affecting equipment performance, drying efficiency, and product quality, this invention provides a heat pump drying device. The device includes a housing with side panels dividing the internal cavity into an equipment placement area and a material drying area. An air inlet is located near the bottom of the side panel, and a return air inlet is located near the top. A partition is horizontally mounted in the equipment placement area, with a heat pump positioned below and a dehumidifier above. Hot air generated by the heat pump enters the material drying area through the air inlet. During drying, the increased humidity of the hot air returns to the dehumidifier through the return air inlet for dehumidification before recirculating back into the heat pump. The partition effectively separates the humid hot air, preventing excessive humidity from affecting the heat pump's heating efficiency. This device offers excellent dehumidification and high heating efficiency, effectively ensuring drying efficiency and product quality.
Description
Technical Field
The utility model relates to the technical field of drying, in particular to a heat pump type drying device.
Background
A heat pump is a device that uses the heat transfer principle and can either heat or cool in different environments. It accomplishes this by extracting heat from one place and transferring it to another. The heat pump type drying device is widely applied to the industries such as agriculture, food industry, pharmacy, wood processing and the like. However, the existing heat pump type drying device has the problems that wet air is continuously accumulated in the using process, moisture in the wet air can inhibit evaporation of moisture of a product to be dried, drying speed is reduced, and drying efficiency is affected. Meanwhile, too much humidity can also increase the risk of mildew and deterioration of the product.
The patent of publication No. CN219454609U, a stoving mounting system is provided, relates to air energy stoving heat pump technical field. The drying installation system comprises an equipment room, an air source heat pump unit, a drying unit and a return air duct, wherein the air source heat pump unit is arranged in the equipment room and separates the air source heat pump unit from the external environment, and the equipment room, the drying unit and the return air duct are sequentially communicated end to end, so that air with proper temperature after being processed by the air source heat pump unit and the drying unit can circularly flow in the drying installation system, and the air source heat pump unit can stably operate at proper temperature all the time, so that the drying installation system can be used in northern cold areas. However, the drying device dehumidifies only by using the evaporator in the air source heat pump unit, and the dehumidifying effect is limited. In an environment with extremely high relative humidity, the efficiency of an evaporator in an air source heat pump unit is possibly reduced due to accumulation of condensed water, so that moisture cannot be continuously and effectively removed, and the heating efficiency of a heat pump can be affected due to overlarge air humidity, so that the drying efficiency and the product quality can be affected.
Therefore, there is a need to provide a heat pump type drying apparatus with good dehumidification effect and high heating efficiency.
Disclosure of utility model
The utility model aims to solve the problems that the existing heat pump type drying device has limited dehumidification effect, and moist air is continuously accumulated in the using process, so that the equipment performance is influenced, the drying efficiency is influenced and the product quality is influenced. The utility model provides a heat pump type drying device which can achieve the technical effects of good dehumidification effect and high heating efficiency.
The heat pump type drying device comprises a box body, wherein a side plate is arranged in the box body and divides an inner cavity of the box body into an equipment placement area and a material drying area, an air supply opening is formed in the position, close to the bottom, of the side plate, an air return opening is formed in the position, close to the top, of the side plate, a heat pump and a dehumidifier are arranged in the equipment placement area, a partition plate is horizontally erected in the equipment placement area, the heat pump is arranged below the partition plate, the dehumidifier is arranged above the partition plate, the inlet end of the dehumidifier faces the air return opening, and the outlet end of the dehumidifier is communicated with the inlet end of the heat pump through a pipeline.
Preferably, the top of the box body is provided with an air inlet which is arranged above the equipment placement area, and the box body further comprises an induced draft fan which is arranged at the air inlet, an air outlet pipe of the induced draft fan penetrates into the equipment placement area from the air inlet, and the air outlet pipe of the induced draft fan is communicated with the other inlet end of the dehumidifier.
Preferably, the two partition boards comprise a first partition board and a second partition board, the equipment placement area is further horizontally provided with a filter screen, the filter screen is arranged between the first partition board and the second partition board, the number of outlet ends of the dehumidifier is two, the outlet ends of the dehumidifier comprise a treatment air outlet and a regeneration air outlet, a first air supply pipe of the treatment air outlet and a second air supply pipe of the regeneration air outlet are far away from one end of the dehumidifier, the end of the air supply pipe of the heat pump inlet end, which is far away from the heat pump, penetrates through the first partition board, and the end of the second air supply pipe is far away from the heat pump.
Preferably, an electric cabinet is arranged on the outer wall surface of the cabinet body, a control system is arranged in the electric cabinet, and the control system is electrically connected with the heat pump, the dehumidifier and the induced air blower respectively.
Preferably, the heat pump is an air source heat pump, and the dehumidifier is a rotary dehumidifier.
Preferably, the top of the box body is provided with an air outlet which is arranged vertically above the material drying area, and the box body further comprises a moisture exhausting fan which is arranged at the air outlet.
Preferably, the drying box further comprises a temperature and humidity sensor, wherein the temperature and humidity sensor is arranged on the inner side wall of the box body, the temperature and humidity sensor is arranged in the material drying area, and the temperature and humidity sensor is electrically connected with the control system.
Preferably, the fan is mounted on the side plate, the fan is arranged at the air supply opening, and the fan is electrically connected with the control system.
Preferably, a plurality of placing screen plates are horizontally arranged in the material drying area, and the placing screen plates are arranged at intervals along the vertical direction.
Preferably, the box body is further hinged with a box door, the box door is used for opening or closing the material drying area, a device access door is further arranged on the side wall surface of the box body, the device access door is arranged on one side close to the device placing area, and the box door and the device access door are both provided with handles.
The technical scheme of the utility model has the following beneficial effects:
(1) The inner cavity of the box body is divided into an equipment placing area and a material drying area through the side plates, and hot air generated by the heat pump enters the material drying area through the air supply outlet. The hot air with increased humidity in the material drying area enters the dehumidifier through the air return port for dehumidification treatment and then enters the heat pump for cyclic utilization, and the hot air with high humidity can be separated through the partition plate, so that the influence of excessive humidity on the heating efficiency of the heat pump can be avoided. The device has good dehumidifying effect and high heating efficiency, and can effectively ensure the drying efficiency and the product quality.
(2) External air is introduced into the dehumidifier through the induced draft fan, and is dehumidified by the dehumidifier and then introduced into the heat pump, so that the heating efficiency of the heat pump can be effectively improved.
(3) The first air supply pipe for treating the air outlet through the dehumidifier can introduce dehumidified external air into the filter screen from the first partition board to remove impurities, and the second air supply pipe for regenerating the air outlet through the dehumidifier can introduce dehumidified hot air recycled in the material drying area into the filter screen from the first partition board to remove impurities. The filtered and dedusted air flow enters the heat pump through the air inlet end of the heat pump and the second partition board, so that the efficient operation of the heat pump is facilitated.
(4) When the humidity of the material drying area is too high, the air with the excessive humidity can be directly discharged through the humidity discharging fan, so that the influence on the drying efficiency and the product quality caused by the excessive humidity is avoided.
(5) The fan generates air flow through the rotating fan blades, and can effectively push hot air to the material drying area.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a partially sectional schematic construction view of a heat pump drying apparatus in embodiment 1;
fig. 2 is a front view of the heat pump drying apparatus in embodiment 1;
Fig. 3 is an electrical connection diagram of the heat pump drying apparatus in embodiment 1.
The device comprises a 1-box body, a1 a-equipment placement area, a1 b-material drying area, a1 c-air inlet, a1 d-air outlet, a 2-side plate, a2 a-air supply outlet, a2 b-air return outlet, a 3-heat pump, a 31-air inlet pipe, a 4-dehumidifier, a 41-first air supply pipe, a 42-second air supply pipe, a 5-induced draft fan, a 51-air outlet pipe, a 6-first partition plate, a 7-second partition plate, an 8-filter screen, a 9-electric cabinet, a 10-control system, a 11-moisture removal fan, a 12-temperature and humidity sensor, a 13-fan, a 14-placement screen plate, a 15-box door, a 16-equipment access door, a 17-handle and an 18-power supply.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Example 1
As shown in fig. 1 to 3, the embodiment provides a heat pump type drying device, which comprises a box body 1 with a side plate 2 arranged inside, wherein the side plate 2 divides an inner cavity of the box body 1 into a device placement area 1a and a material drying area 1b, an air supply opening 2a is arranged at a position, close to the bottom, of the side plate 2, an air return opening 2b is arranged at a position, close to the top, of the side plate 2, the device placement area 1a is provided with a heat pump 3 and a dehumidifier 4, and a partition plate is horizontally arranged in the device placement area 1 a. The heat pump 3 is arranged below the partition plate, the dehumidifier 4 is arranged above the partition plate, the inlet end of the dehumidifier 4 faces the return air inlet 2b, and the outlet end of the dehumidifier 4 is communicated with the inlet end of the heat pump 3 through a pipeline.
The hot air generated by the heat pump 3 enters the material drying area 1b from the air supply opening 2a, and during drying, along with the flow of the hot air, the moisture in the material is evaporated and released into the air, so that the humidity of the material is gradually reduced, and the hot air can absorb the moisture in the material, so that the humidity of the hot air is gradually increased. The hot air with increased humidity in the material drying area 1b enters the dehumidifier 4 through the air return opening 2b for dehumidification and then enters the heat pump 3 for cyclic utilization, and the partition plate can separate the hot air with high humidity, so that the influence of the excessive humidity on the heating efficiency of the heat pump 3 can be avoided. The device has good dehumidifying effect and high heating efficiency, and can effectively ensure the drying efficiency and the product quality.
In the embodiment, an air inlet 1c formed in the top of the box body 1 is arranged vertically above the equipment placement area 1a, the device further comprises an induced draft fan 5 arranged at the air inlet 1c, an air outlet pipe 51 of the induced draft fan 5 penetrates into the equipment placement area 1a from the air inlet 1c, and the air outlet pipe 51 of the induced draft fan 5 is communicated with the other inlet end of the dehumidifier 4. The induced draft fan 5 can introduce outside air to the dehumidifier 4, and the outside air is dehumidified by the dehumidifier 4 and then introduced into the heat pump 3, so that the heating efficiency of the heat pump 3 can be effectively improved.
In the embodiment, the two partition boards comprise a first partition board 6 and a second partition board 7, a filter screen 8 horizontally erected in the equipment placement area 1a is arranged between the first partition board 6 and the second partition board 7, two outlet ends of the dehumidifier 4 are arranged, the outlet ends of the dehumidifier 4 comprise a treatment air outlet and a regeneration air outlet, a first air supply pipe 41 for the treatment air outlet and a second air supply pipe 42 for the regeneration air outlet are respectively penetrated through the first partition board 6 at one end far away from the dehumidifier 4, and an air supply pipe 31 at the inlet end of the heat pump 3 is penetrated through the second partition board 7 at one end far away from the heat pump 3.
The heat exchange efficiency is affected by the presence of more impurities in the air, and particularly, more impurities can be carried by the hot gas recycled in the material drying zone 1 b. The dehumidified external air can be introduced into the filter screen 8 from the first partition plate 6 through the first air supply pipe 41 of the dehumidifier 4 for treating the air outlet, and the dehumidified hot air recycled in the material drying zone 1b can be introduced into the filter screen 8 from the first partition plate 6 through the second air supply pipe 42 of the dehumidifier 4 for regenerating the air outlet to remove impurities. The filtered and dedusted air flow enters the heat pump 3 through the air inlet end of the heat pump 3 and the second partition 7, so that the efficient operation of the heat pump 3 is facilitated.
In this embodiment, an electric cabinet 9 is disposed on an outer wall surface of the cabinet 1, a control system 10 is disposed in the electric cabinet 9, and the control system 10 is electrically connected with the heat pump 3, the dehumidifier 4, and the induced draft fan 5 respectively. The start-stop and working states of the heat pump 3, the dehumidifier 4 and the induced draft fan 5 are controlled by a control system 10. The control system 10 comprises a controller and a signal processor, wherein the controller can be an 8051 series singlechip, an STM32 series singlechip, an FPGA programmable controller and the like, and the signal processor can be an ADSP-21469BBCZ-3 digital signal processor and the like. A power supply 18 is also arranged, and the power supply 18 is respectively and electrically connected with the controller of the control system 10, the signal processor, the heat pump 3, the dehumidifier 4 and the induced draft fan 5. The power source 18 may be a portable power source 18 commonly available in the market.
In this embodiment, the heat pump 3 is an air source heat pump 3, and the dehumidifier 4 is a rotary dehumidifier. The main components of the air source heat pump 3 include an evaporator, a compressor, a condenser and an expansion valve, the air source heat pump 3 is the prior art, and heat of the external air can be continuously absorbed by using the reverse carnot cycle and transferred into the material drying area 1b until reaching the preset temperature, and detailed description thereof is omitted. For example, the air source heat pump 3 can be produced and sold by Tianjin fusion and contain energy-saving and environment-friendly technology limited company.
The rotary dehumidifier mainly comprises a machine body, an air inlet and an air outlet, a rotary wheel and a driving device. The rotary dehumidifier of the companies of Pritai, siemens and the like can be adopted. The rotary dehumidifier is provided with four air openings, namely a fresh air opening, a treatment air opening, a regeneration air opening 1c and a regeneration air opening. The new air inlet is communicated with an air outlet pipe 51 of the induced draft fan 5, and the regenerated air inlet 1c faces the air return inlet 2b.
In this embodiment, an air outlet 1d formed at the top of the box 1 is disposed vertically above the material drying area 1b, and further includes a moisture exhaust fan 11 disposed at the air outlet 1 d. With the drying process, the moisture content in the hot air can be increased, and the humidity is gradually increased. When the humidity of the material drying area 1b is too high, the air with the excessive humidity can be directly discharged through the humidity discharging fan 11, so that the influence on the drying efficiency and the product quality caused by the excessive humidity is avoided.
In this embodiment, the temperature and humidity sensor 12 is further included, the temperature and humidity sensor 12 is disposed on the inner side wall of the box 1, the temperature and humidity sensor 12 is disposed in the material drying area 1b, and the temperature and humidity sensor 12 is electrically connected with the control system 10.
The temperature and humidity of the material drying area 1b can be conveniently observed in real time through the temperature and humidity sensor 12. When the temperature and humidity sensor 12 detects that the humidity in the material drying area 1b reaches a preset higher level, the control system 10 controls the moisture exhaust fan 11 to be started, and when the temperature and humidity sensor 12 detects that the humidity in the material drying area 1b is lower than the preset humidity, the moisture exhaust fan 11 is turned off.
In this embodiment, the fan 13 is mounted on the side plate 2, the fan 13 is disposed at the air supply port 2a, and the fan 13 is electrically connected to the control system 10. The fan 13 generates air flow through the rotating fan blades, and can effectively push hot air to the material drying area 1b.
In this embodiment, a plurality of placing screen plates 14 horizontally erected in the material drying area 1b are arranged at intervals along the vertical direction. The placement screen 14 is used for placing the material to be dried.
In this embodiment, the box 1 is further hinged with a door 15 for opening or closing the material drying area 1b, a side wall surface of the box 1 is further provided with an equipment access door 16 for facilitating equipment maintenance near one side of the equipment placing area 1a, and the door 15 and the equipment access door 16 are both provided with a handle 17.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The heat pump type drying device is characterized by comprising a box body (1), wherein a side plate (2) is arranged in the box body (1), and the side plate (2) divides an inner cavity of the box body (1) into a device placement area (1 a) and a material drying area (1 b);
An air supply outlet (2 a) is formed in the position, close to the bottom, of the side plate (2), and an air return outlet (2 b) is formed in the position, close to the top, of the side plate (2);
The device placement area (1 a) is provided with a heat pump (3) and a dehumidifier (4), the device placement area (1 a) is horizontally erected with a partition board, the heat pump (3) is arranged below the partition board, the dehumidifier (4) is arranged above the partition board, the inlet end of the dehumidifier (4) faces the return air inlet (2 b), and the outlet end of the dehumidifier (4) is communicated with the inlet end of the heat pump (3) through a pipeline.
2. The heat pump (3) drying device according to claim 1, wherein an air inlet (1 c) is formed in the top of the box body (1), and the air inlet (1 c) is arranged vertically above the equipment placement area (1 a);
Still include draught fan (5), draught fan (5) set up in air intake (1 c) department, air-out pipe (51) of draught fan (5) follow air intake (1 c) are penetrated equipment is placed district (1 a), just air-out pipe (51) of draught fan (5) with another entrance point intercommunication of dehumidifier (4).
3. The heat pump (3) drying device according to claim 2, wherein the number of the partition boards is two, the partition boards comprise a first partition board (6) and a second partition board (7), the equipment placement area (1 a) is further horizontally provided with a filter screen (8), and the filter screen (8) is arranged between the first partition board (6) and the second partition board (7);
The outlet end of dehumidifier (4) is two, the outlet end of dehumidifier (4) is including handling air outlet and regeneration air outlet, handle first blast pipe (41) of air outlet, and regeneration air outlet's second blast pipe (42) are kept away from the one end of dehumidifier (4) all passes first baffle (6), the air-supply pipe (31) of heat pump (3) entrance point is kept away from the one end of heat pump (3) is passed second baffle (7).
4. The heat pump (3) drying device according to claim 3, wherein an electric cabinet (9) is arranged on the outer wall surface of the cabinet (1), a control system (10) is arranged in the electric cabinet (9), and the control system (10) is electrically connected with the heat pump (3), the dehumidifier (4) and the induced draft fan (5) respectively.
5. The heat pump (3) drying apparatus of claim 4, wherein the heat pump (3) is an air source heat pump (3), and the dehumidifier (4) is a rotary dehumidifier.
6. The heat pump (3) type drying device according to claim 4, wherein an air outlet (1 d) is formed in the top of the box body (1), and the air outlet (1 d) is arranged vertically above the material drying area (1 b);
The air conditioner further comprises a moisture removal fan (11), and the moisture removal fan (11) is arranged at the air outlet (1 d).
7. The heat pump (3) drying device according to claim 6, further comprising a temperature and humidity sensor (12), wherein the temperature and humidity sensor (12) is disposed on an inner side wall of the box body (1), the temperature and humidity sensor (12) is disposed in the material drying area (1 b), and the temperature and humidity sensor (12) is electrically connected with the control system (10).
8. The heat pump (3) drying apparatus according to any one of claims 4 to 7, further comprising a fan (13), the fan (13) being mounted on the side plate (2), and the fan (13) being disposed at the air supply opening (2 a), the fan (13) being electrically connected to the control system (10).
9. The heat pump (3) drying device according to claim 1, wherein a plurality of placing screen plates (14) are horizontally arranged in the material drying area (1 b), and the placing screen plates (14) are arranged at intervals along the vertical direction.
10. The heat pump (3) drying device according to claim 1, wherein the box (1) is further hinged with a box door (15), the box door (15) is used for opening or closing the material drying area (1 b), a device access door (16) is further configured on the side wall surface of the box (1), the device access door (16) is arranged on one side close to the device placement area (1 a), and both the box door (15) and the device access door (16) are configured with handles (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423205302.0U CN223580451U (en) | 2024-12-24 | 2024-12-24 | A heat pump drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423205302.0U CN223580451U (en) | 2024-12-24 | 2024-12-24 | A heat pump drying device |
Publications (1)
| Publication Number | Publication Date |
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| CN223580451U true CN223580451U (en) | 2025-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202423205302.0U Active CN223580451U (en) | 2024-12-24 | 2024-12-24 | A heat pump drying device |
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| Country | Link |
|---|---|
| CN (1) | CN223580451U (en) |
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