CN220552252U - Fresh air dehumidifying and drying system of heat pump dryer - Google Patents
Fresh air dehumidifying and drying system of heat pump dryer Download PDFInfo
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- CN220552252U CN220552252U CN202320913708.0U CN202320913708U CN220552252U CN 220552252 U CN220552252 U CN 220552252U CN 202320913708 U CN202320913708 U CN 202320913708U CN 220552252 U CN220552252 U CN 220552252U
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- 238000001035 drying Methods 0.000 title claims abstract description 64
- 238000007791 dehumidification Methods 0.000 claims abstract description 5
- 239000003507 refrigerant Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a fresh air dehumidifying and drying system of a heat pump dryer, which comprises a compressor and a condenser, wherein the compressor is communicated with the condenser through an exhaust pipe, the condenser is communicated with a drying chamber through a circulating fan, and the condenser is communicated with a drying filter; one end of the drying filter is communicated with the throttling device through a fresh air evaporator inlet pipe, the throttling device is connected with the fresh air evaporator, the circulating fan is connected with the fresh air evaporator through a fresh air inlet through a fresh air filter screen, and the fresh air evaporator is connected with the compressor through a fresh air evaporator outlet pipe and an air return pipe; the other end of the drying filter is communicated with the main evaporator through a throttle valve, the main evaporator is connected with the compressor through an air return pipe, the technical field of heat pump dryers is related, outdoor fresh air is sent into a drying chamber through a circulating fan after being dried, and high-temperature and high-humidity gas is absorbed and discharged out of the chamber through an air valve and an air return port, so that the dehumidification load of a heat pump system is greatly reduced, and the drying time is shortened.
Description
Technical Field
The utility model belongs to the technical field of heat pump dryers, and particularly relates to a fresh air dehumidifying and drying system of a heat pump dryer.
Background
The heat pump drier is one kind of heat raising device and is used mainly in the stoving and dewatering of food, medicine material, timber, farm and sideline product, industrial product, etc. The principle of inverse carnot is used to extract heat from the surrounding environment and transfer it to the object being heated (object with higher temperature), which works in contrast to the principle of refrigerators, both according to the principle of inverse carnot cycle, the difference being that the former increases the temperature and the latter decreases the temperature.
The existing fresh air heat pump dryer only exchanges heat with outdoor fresh air, and does not dehumidify and dry the outdoor fresh air, and the dryer mainly dehumidifies and dries articles in a drying room, if the outdoor fresh air is high in humidity, the drying and dehumidification efficiency in the drying room is improved, and the drying time is prolonged, so that a fresh air dehumidifying and drying system of the heat pump dryer is urgently needed.
Disclosure of Invention
The utility model aims to provide a fresh air dehumidifying and drying system of a heat pump dryer, which aims to solve the problems in the background technology.
The technical scheme adopted by the utility model is as follows:
the fresh air dehumidifying and drying system of the heat pump dryer comprises a compressor and a condenser, wherein the compressor is communicated with the condenser through an exhaust pipe, the condenser is communicated with a drying chamber through a circulating fan, and the condenser is communicated with a drying filter;
one end of the drying filter is communicated with the throttling device through a fresh air evaporator inlet pipe, the throttling device is connected with the fresh air evaporator, the circulating fan is connected with the fresh air evaporator through a fresh air inlet through a fresh air filter screen, and the fresh air evaporator is connected with the compressor through a fresh air evaporator outlet pipe and an air return pipe;
the other end of the drying filter is communicated with a main evaporator through a throttle valve, the main evaporator is connected with a compressor through an air return pipe, and a condensate drain pipe is communicated with the main evaporator.
Preferably, the air inlet of the circulating fan is provided with an air collecting cover, the condenser is arranged at one end of the air collecting cover, which is far away from the circulating fan, and the air outlet of the circulating fan is communicated with the lower end of the drying chamber.
Preferably, the upper end of the drying chamber is provided with an air return port, and the main evaporator is communicated with the drying chamber through the air return port.
Preferably, an air valve is arranged at one end, close to the air return opening, of the top of the drying chamber, and a plurality of transverse fans are arranged in the rectangular array in the drying chamber.
Preferably, the compressor further comprises an electric cabinet, and the compressor is electrically connected with the electric cabinet.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
in the utility model, after the outdoor fresh air is dried, the fresh air is sent into the drying chamber through the circulating fan, and the air with high temperature and high humidity is absorbed and then is discharged out of the chamber through the air valve and the return air inlet, so that the dehumidification load of the heat pump system is greatly reduced, and the drying time is shortened.
Drawings
FIG. 1 is a schematic diagram of a system connection of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a side view of the present utility model;
FIG. 4 is a rear view of the present utility model;
FIG. 5 is a schematic view of the component mounting of the present utility model;
FIG. 6 is a schematic diagram of the heat pump principle of the present utility model;
in the figure: 1. a circulating fan; 2. an electric control box; 3. an air valve; 4. an air return port; 5. a transverse fan; 6. a drying chamber; 7. a fresh air evaporator; 8. fresh air filter; 9. a wind collecting hood; 10. a condenser; 11. an exhaust pipe; 12. drying the filter; 13. a compressor; 14. an air return pipe; 15. a throttle valve; 16. a control panel; 17. a throttle device; 18. a main evaporator; 19. and a condensed water drain pipe.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Examples:
the fresh air dehumidifying and drying system of the heat pump dryer, as shown in figures 1-6, comprises a compressor 13 and a condenser 10, wherein the compressor 13 is communicated with the condenser 10 through an exhaust pipe 11, the condenser 10 is communicated with a drying chamber 6 through a circulating fan 1, and the condenser 10 is communicated with a drying filter 12;
one end of the drying filter 12 is communicated with the throttling device 17 through a fresh air evaporator inlet pipe, the throttling device 17 is connected with the fresh air evaporator 7, the circulating fan 1 is connected with the fresh air evaporator 7 through a fresh air inlet through a fresh air filter screen 8, and the fresh air evaporator 7 is connected with the compressor 13 through a fresh air evaporator outlet pipe and an air return pipe 14;
the other end of the dry filter 12 is communicated with a main evaporator 18 through a throttle valve 15, the main evaporator 18 is connected with the compressor 13 through an air return pipe 14, and a condensate drain pipe 19 is communicated with the main evaporator 18.
In one possible implementation, the air inlet of the circulating fan 1 is provided with a wind collecting cover 9, the condenser 10 is arranged at one end of the wind collecting cover 9 away from the circulating fan 1, and the air outlet of the circulating fan 1 is communicated with the lower end of the drying chamber 6.
In one possible embodiment, the upper end of the drying chamber 6 is provided with an air return opening 4, and the main evaporator 18 is communicated with the drying chamber 6 through the air return opening 4.
In a possible embodiment, the top of the drying chamber 6 is provided with an air valve 3 at one end near the air return opening 4, and the rectangular array in the drying chamber 6 is provided with a plurality of transverse fans 5.
In one possible embodiment, the electric cabinet 2 is further included, and the compressor 13 is electrically connected to the electric cabinet 2.
In one possible embodiment, the fresh air evaporator 7 and the condenser 10 are both internally threaded copper tubes and aluminum sheets to form a fin type heat exchanger.
In one possible embodiment, the throttling means 17 is a throttling capillary, a thermal expansion valve or an electronic expansion valve.
Referring to fig. 1-6, the electric cabinet 2 drives the compressor 13, the compressor 13 continuously operates to generate high-temperature and high-pressure refrigerant, the high-temperature and high-pressure refrigerant is conveyed into the condenser 10 through the exhaust pipe 11, the circulating fan 1 forcibly exchanges heat between air and the high-temperature and high-pressure refrigerant in the condenser 10 to generate hot air and sends the hot air into the drying chamber 6, the high-temperature and high-pressure refrigerant forms low-temperature and low-pressure gas after exchanging heat to flow through the drying filter 12, part of the refrigerant passing through the drying filter 12 passes through the fresh air throttle inlet pipe to flow through the throttling device 17 to generate low-temperature and low-pressure refrigerant and then flows into the fresh air evaporator 7 to enable the temperature of the refrigerant to be low, and the circulating fan 1 forces outdoor air to pass through the fresh air filter screen 8 from the fresh air inlet and then exchanges heat with the low-temperature refrigerant in the fresh air evaporator 7. The moisture in the fresh air is condensed into water when the moisture passes through the fresh air evaporator 7 and meets low temperature, and the water is discharged outdoors through the condensed water drain pipe 19, thereby achieving the purpose of dehumidifying and drying the fresh air. The low-temperature refrigerant in the fresh air evaporator 7 flows into the return air pipe 14 and the compressor 13 through the evaporator outlet pipe after heat exchange, and the low-temperature refrigerant is repeatedly circulated in the way to dehumidify and dry the product in the drying chamber 6.
The outdoor fresh air is changed into cold air for low-temperature dry bath after passing through the fresh air evaporator 7, and the cold air flows through the motor of the circulating fan 1 under the forced action of the circulating fan 1 to take away heat generated during the operation of the motor, so that the aim of cooling the motor is fulfilled. The product is more stable. The service life of the fan motor is prolonged, and the maintenance cost is reduced.
The other part of the refrigerant flowing out of the drying filter 12 is changed into low-temperature low-pressure gas through the throttle valve 15 and flows into the main evaporator 18, so that the temperature of the gas is lowered, the circulating fan 1 forcedly flows the wet air in the drying chamber 6 through the main evaporator 18, water vapor in the wet air is condensed into water drops when meeting low temperature, and the water is discharged through the condensed water drain pipe 19. The refrigerant passing through the main evaporator 18 absorbs heat of the air in the drying chamber 6 and flows into the compressor 13 through the return air pipe 14. The operation is repeated in this way, so that the drying of the articles in the drying chamber 6 is achieved.
In summary, in the present application, the operation flow is as follows:
the compressor 13, the condenser 10 (heating low-temperature air), the high-temperature air enters the bottom of the oven (the drying chamber 6) through the bellows under the driving of the circulating fan 1, the high-temperature air enters the side surface of the oven through the bottom, then enters the oven under the action of the air draft device at one side of the oven, the food is baked, the upper high-temperature and high-humidity gas flows back to the main evaporator 18 (part of the high-temperature and high-humidity gas flows back to be discharged through the air valve 3), the residual heat of the high-humidity gas flows back for use, and the dehumidification is performed at the same time; the high-temperature and high-humidity gas at the upper part flows back into the main evaporator 18 to cool the motor.
The refrigerant operation flow comprises the following steps: the compressor 13, the condenser 10, the throttling device 17, the main evaporator 18, the liquid storage tank and the compressor 13.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (5)
1. A heat pump dryer new trend dehumidification drying system, its characterized in that: the device comprises a compressor (13) and a condenser (10), wherein the compressor (13) is communicated with the condenser (10) through an exhaust pipe (11), the condenser (10) is communicated with a drying chamber (6) through a circulating fan (1), and the condenser (10) is communicated with a drying filter (12);
one end of the drying filter (12) is communicated with the throttling device (17) through a fresh air evaporator inlet pipe, the throttling device (17) is connected with the fresh air evaporator (7), the circulating fan (1) is connected with the fresh air evaporator (7) through a fresh air inlet through a fresh air filter screen (8), and the fresh air evaporator (7) is connected with the compressor (13) through a fresh air evaporator outlet pipe and an air return pipe (14);
the other end of the drying filter (12) is communicated with a main evaporator (18) through a throttle valve (15), the main evaporator (18) is connected with a compressor (13) through an air return pipe (14), and a condensate drain pipe (19) is communicated with the main evaporator (18).
2. The heat pump dryer fresh air dehumidifying and drying system as claimed in claim 1, wherein: the air inlet of the circulating fan (1) is provided with an air collecting cover (9), the condenser (10) is arranged at one end, far away from the circulating fan (1), of the air collecting cover (9), and the air outlet of the circulating fan (1) is communicated with the lower end of the drying chamber (6).
3. The heat pump dryer fresh air dehumidifying and drying system as claimed in claim 1, wherein: the upper end of the drying chamber (6) is provided with an air return port (4), and the main evaporator (18) is communicated with the drying chamber (6) through the air return port (4).
4. The heat pump dryer fresh air dehumidifying and drying system as claimed in claim 1, wherein: one end of the top of the drying chamber (6) close to the air return opening (4) is provided with an air valve (3), and a rectangular array in the drying chamber (6) is provided with a plurality of transverse fans (5).
5. The heat pump dryer fresh air dehumidifying and drying system as claimed in claim 1, wherein: the electric control device further comprises an electric control box (2), and the compressor (13) is electrically connected with the electric control box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320913708.0U CN220552252U (en) | 2023-04-21 | 2023-04-21 | Fresh air dehumidifying and drying system of heat pump dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320913708.0U CN220552252U (en) | 2023-04-21 | 2023-04-21 | Fresh air dehumidifying and drying system of heat pump dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220552252U true CN220552252U (en) | 2024-03-01 |
Family
ID=90006874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320913708.0U Active CN220552252U (en) | 2023-04-21 | 2023-04-21 | Fresh air dehumidifying and drying system of heat pump dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220552252U (en) |
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2023
- 2023-04-21 CN CN202320913708.0U patent/CN220552252U/en active Active
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