CN210292562U - Air-source heat pump closed-loop dehumidification drying unit - Google Patents
Air-source heat pump closed-loop dehumidification drying unit Download PDFInfo
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- CN210292562U CN210292562U CN201921167696.1U CN201921167696U CN210292562U CN 210292562 U CN210292562 U CN 210292562U CN 201921167696 U CN201921167696 U CN 201921167696U CN 210292562 U CN210292562 U CN 210292562U
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 15
- 238000001035 drying Methods 0.000 title claims description 52
- 239000007788 liquid Substances 0.000 claims description 50
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 33
- 229910052802 copper Inorganic materials 0.000 claims description 33
- 239000010949 copper Substances 0.000 claims description 33
- 238000005057 refrigeration Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 12
- 239000003507 refrigerant Substances 0.000 abstract description 10
- 238000001704 evaporation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008020 evaporation Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 2
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 239000003570 air Substances 0.000 description 95
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 25
- 238000004064 recycling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- -1 electricity Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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Abstract
The utility model discloses an air can heat pump closed loop dehumidification drying-machine group, the hot-blast entering drying-machine that passes through the return air inlet that the stoving room has the moisture, after heat transfer core heat exchange, get into in the evaporimeter, the evaporimeter reduces hot-air's temperature at refrigerant evaporation in-process, and carry out the heat exchange through heat transfer core second passageway once more, the hot-air after will exchanging at last gets into the condenser, high temperature refrigerant and hot-air in the condenser exchange, then send dry hot-air into the stoving room through the air outlet, reach the effect of closed cyclic utilization hot-air recovery, thereby closed loop dehumidification's effect has been reached, do not contact with the outside air, avoid the material to cause the pollution, the effect of environmental protection has been reached.
Description
Technical Field
The utility model belongs to the technical field of the drying and dehumidification machine, concretely relates to air-source heat pump closed loop dehumidification drying-machine group.
Background
The dryer has several modes, such as belt drying, roller drying, box drying, tower drying and the like; the heat source is coal, electricity, gas and the like; the materials are in a hot air flow type, a radiation type and the like in the drying process, the hot air roller drying is that hot air flows forwards from the tail part and is fully contacted with the materials, and the heat transfer quantity is fully utilized through heat conduction, convection and radiation; heat energy is directly transferred to the materials, so that moisture of the materials is continuously evaporated in the cylinder, and a large amount of moisture and wet air flow is extracted by an air inducing device at the feeding port, so that secondary pollution caused by dust discharge is prevented; the materials are pushed to move through internal spiral stirring, sweeping and shoveling plates, and the whole drying process is completed; and the countercurrent conduction dehumidification is adopted, so that repeated drying procedures are avoided.
The prior art has the following problems:
when the original drying room dries materials, the drying room is required to be circulated with external air, the external air is heated and then is introduced into the drying room, the drying effect can be achieved, if the temperature of external ambient air is lower, the heating time can be prolonged, consumed energy is increased, the external air and the materials are in contact, the materials can be polluted, and the effects of energy conservation and environmental protection cannot be achieved.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an air energy heat pump closed loop dehumidification drying-machine group has the characteristics that hot-blast recovery and hot-blast closed circulation of baking house reach energy-concerving and environment-protective.
In order to achieve the above object, the utility model provides a following technical scheme:
an air energy heat pump closed-loop dehumidification drying unit comprises a drying machine body, wherein an air return opening is formed in the upper portion of the drying machine body, and an air outlet is formed in the lower portion of the drying machine body; the heat exchange core body is respectively connected with the condenser and the evaporator;
the heat exchange core body is provided with two channels, an air inlet of the first channel is communicated with an air return inlet, and an air outlet of the first channel is communicated with an air inlet of the evaporator; an air inlet of the second channel is communicated with an air outlet of the evaporator, and an air outlet of the second channel is communicated with an air inlet of the condenser;
the air outlet of the condenser is provided with a fan, the fan is used for sending the air outlet of the condenser into the drying room through an air outlet, and the air outlet of the drying room is communicated with an air return inlet through a pipeline.
Further, a compressor is arranged in the dryer body, and an expansion valve and a four-way valve are arranged between the evaporator and the condenser; a second evaporator is arranged outside the dryer body;
the exhaust port of the compressor is connected with a No. 1 port of the four-way valve by a copper pipe, a No. 2 port of the four-way valve is connected with a liquid inlet of the condenser by a copper pipe, a liquid outlet of the condenser is connected with a liquid inlet of the liquid storage device by a copper pipe, a liquid outlet of the liquid storage device is connected with an inlet of the expansion valve by a copper pipe,
the outlet of the expansion valve is connected with the liquid inlet of the evaporator and the liquid inlet of the second evaporator by copper pipes at the same time, and the liquid outlet of the evaporator is connected with a No. 3 port of the four-way valve by a copper pipe; the No. 3 port of the four-way valve is simultaneously connected with a liquid outlet of a second evaporator by a copper pipe, and a liquid inlet of the second evaporator is connected with an outlet of the refrigeration electromagnetic valve by the copper pipe;
the inlet of the refrigeration electromagnetic valve is connected with the outlet of the expansion valve, and the middle of the inlet of the expansion valve and the outlet of the liquid storage device are simultaneously connected by a copper pipe; the No. 4 port of the four-way valve is connected with the inlet of the gas-liquid separator by a copper pipe, and the outlet of the gas-liquid separator is connected with the return air port of the compressor by a copper pipe.
Further, be provided with bottom ponding dish in the bottom of drying-machine body, all be provided with the ponding dish with bottom ponding dish intercommunication on condenser and evaporimeter, be provided with the outlet on bottom ponding dish, avoid water to pile up in the ponding dish, reduce the moisture in the fixed box.
Furthermore, the fan, the compressor, the expansion valve, the four-way valve and the refrigeration solenoid valve are electrically connected with an external power supply through the electric cabinet.
Further, the compressor is arranged on one side far away from the evaporator through bolts.
By adopting the technical scheme, hot air with moisture in the drying room enters the drying machine through the air return opening, enters the evaporator after heat exchange of the heat exchange core, the evaporator reduces the temperature of the hot air in the process of evaporating the refrigerant and condenses the moisture in the hot air simultaneously to change the hot air into dry cold air, water generated by condensing the moisture in the hot air is discharged from the outlet of the water collecting tray, the dry hot air is subjected to heat exchange through the second passage of the heat exchange core again to change the dry cold air into dry hot air, finally the exchanged hot air enters the condenser, the high-temperature refrigerant in the condenser exchanges heat with the hot air, then the dry hot air is sent into the drying room through the fan to achieve the effect of recycling the hot air, thereby achieving the effect of closed-loop circulating air without contacting with the outside air, the material is prevented from causing pollution, the environment-friendly effect is achieved, air is exchanged in the heat exchange core body, so that the heat evaporated in the evaporator can be always kept at a heat source which is about fifteen degrees lower than the return air of the drying room, the hot air recycling of the drying room is facilitated, and the energy utilization effect is achieved.
The condenser, the expansion valve, the evaporator, the four-way valve and the compressor form a closed fluorine path system, and continuous heat is generated by utilizing the reverse Carnot cycle principle; meanwhile, the evaporator condenses moisture in the hot air, the condensed water falls into a water collecting tray, and water outlets are connected to two ends of the water collecting tray to drain the water; avoiding water accumulation in the water collecting tray and reducing the moisture in the fixed box.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
in the figure: 1. a dryer; 2. an electric cabinet; 3. an air return opening; 4. a drying room; 5. an air outlet; 6. a fan; 7. a condenser; 8. a heat exchange core body; 9. an evaporator; 10. a water collection tray; 11. a compressor; 12. an expansion valve; 13. a four-way valve, 14, a water outlet, 15, a controller, 16, a refrigeration electromagnetic valve, 17, a second evaporator; 18. a reservoir.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
An air energy heat pump closed-loop dehumidification drying unit comprises a drying machine body 1, wherein an air return opening 3 is formed in the upper portion of the drying machine body 1, an air outlet 5 is formed in the lower portion of the drying machine body 1, and a heat exchange core body 8 is arranged inside the drying machine body 1; the heat exchange core body 8 is respectively connected with the condenser 7 and the evaporator 9;
the heat exchange core body 8 is provided with two channels, the air inlet of the first channel is communicated with the air return inlet 3, and the air outlet of the first channel is communicated with the air inlet of the evaporator 9; the air inlet of the second channel is communicated with the air outlet of the evaporator 9, and the air outlet of the second channel is communicated with the air inlet of the condenser 7;
the air outlet of the condenser 7 is provided with a fan 6, the fan 6 is used for sending the air outlet of the condenser 7 into the drying room through the air outlet 5, and the air outlet of the drying room is communicated with the air return opening 3 through a pipeline.
A compressor 11 is arranged in the dryer body 1, and an expansion valve 12 and a four-way valve 14 are arranged between the evaporator 9 and the condenser 7; a second evaporator 17 is arranged outside the dryer body 1;
an exhaust port of the compressor 11 is connected with a No. 1 port of the four-way valve 14 by a copper pipe, a No. 2 port of the four-way valve 14 is connected with a liquid inlet of the condenser 7 by a copper pipe, a liquid outlet of the condenser 7 is connected with a liquid inlet of the liquid storage device 18 by a copper pipe, a liquid outlet of the liquid storage device 18 is connected with an inlet of the expansion valve 12 by a copper pipe,
the outlet of the expansion valve 12 is connected with the liquid inlet of the evaporator 9 and the liquid inlet of the second evaporator 17 by copper pipes at the same time, and the liquid outlet of the evaporator 9 is connected with a No. 3 port of the four-way valve 14 by a copper pipe; the No. 3 port of the four-way valve 14 is connected with the liquid outlet of the second evaporator 17 by a copper pipe at the same time, and the liquid inlet of the second evaporator 17 is connected with the outlet of the refrigeration electromagnetic valve 16 by a copper pipe;
the inlet of the refrigeration electromagnetic valve 16 is connected with the outlet of the expansion valve 12, and the middle of the inlet of the expansion valve 12 and the outlet of the liquid storage device 18 are simultaneously connected by a copper pipe; the No. 4 port of the four-way valve 14 is connected to the inlet of the gas-liquid separator 15 by a copper pipe, and the outlet of the gas-liquid separator 15 is connected to the return port of the compressor 11 by a copper pipe.
The bottom of the dryer body 1 is provided with a bottom water collecting disc 10, the condenser 7 and the evaporator 9 are both provided with water collecting discs communicated with the bottom water collecting disc 9, and the bottom water collecting disc is provided with a water outlet 14, so that water is prevented from being accumulated in the bottom water collecting disc, and moisture in the fixed box is reduced.
The fan 6, the compressor 11, the expansion valve 12, the four-way valve 13 and the refrigeration electromagnetic valve 16 are electrically connected with an external power supply through the electric cabinet 2.
By means of the technical scheme, hot air with moisture in the drying room enters the drying machine 1 through the air return opening 3, enters the evaporator 9 No. 1 after heat exchange of the heat exchange core body 8, the evaporator 9 No. 1 reduces the temperature of the hot air in the process of refrigerant evaporation, and simultaneously condenses the moisture in the hot air, so that the hot air is changed into dry cold air, water generated by the moisture in the condensed hot air is discharged from the water outlet 11 of the water collecting tray 10, the dry cold air exchanges heat with hot return air of the drying room 4 through the second channel of the heat exchange core body 8 again, the dry cold air is changed into dry hot air, the heat of the hot return air of the drying room 4 can be recovered, the heat evaporated in the evaporator can be kept above twenty ℃ all the time, the recycling of the hot air is facilitated, and the effect of energy consumption is reduced.
When the operation mode is switched to the heating or constant temperature mode, the four-way valve 14 is powered on, the refrigeration electromagnetic valve 16 is powered off and closed, the refrigerant enters the port 1 of the four-way valve 14 from the exhaust port of the compressor 11 and enters the liquid inlet of the condenser 7 from the port 2 of the four-way valve 14, then the refrigerant enters the inlet of a liquid storage device 18 from a liquid outlet of a condenser 7, enters a swelling valve 12 from the outlet of the liquid storage device 18 for throttling, the throttled low-temperature and low-pressure refrigerant enters the liquid inlet of an evaporator 9 for evaporation, the evaporated refrigerant enters a No. 3 port of a four-way valve 14 from the liquid outlet of the evaporator 9, at the moment, a refrigeration electromagnetic valve 16 is powered off and closed, then enters the inlet of the gas-liquid separator 15 through the port 4 of the four-way valve 14, and then enters the return port of the compressor 11 through the outlet of the gas-liquid separator 15, so that the reciprocating circulation is realized, the heating is realized, and the drying device can be used for drying different materials.
The using method comprises the following steps: the working personnel connect the fan, the compressor, the expansion valve, the four-way valve and the refrigeration solenoid valve with an external power supply through the electric cabinet, hot air with moisture in the drying room enters the dryer body through the air return channel, and enters the evaporator after heat exchange of the heat exchange core, the evaporator reduces the temperature of hot air in the process of refrigerant evaporation, and simultaneously condenses the moisture in the hot air, so that the hot air is changed into dry cold air, and water generated by condensing the moisture in the hot air is discharged from the water outlet of the water collecting tray; the dry cold air exchanges heat with hot return air of the drying room 4 through a second channel of the heat exchange core again to change the dry cold air into dry hot air, the dry hot air enters the condenser, and then the dry hot air is sent into the drying room through the fan from the outlet of the condenser to achieve the effect of recycling the hot air, thereby achieving the effect of closed-loop circulating air, avoiding the contact with external air and avoiding the pollution caused by materials; the heat of hot return air of the drying room is also recovered, so that the heat evaporated in the evaporator can be always kept above twenty ℃, the hot air can be recycled, the energy consumption is reduced, and the effects of energy conservation and environmental protection are achieved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An air energy heat pump closed-loop dehumidification drying unit comprises a drying machine body, wherein an air return opening is formed in the upper portion of the drying machine body, and an air outlet is formed in the lower portion of the drying machine body; the heat exchange core body is respectively connected with the condenser and the evaporator;
the heat exchange core body is provided with two channels, an air inlet of the first channel is communicated with an air return inlet, and an air outlet of the first channel is communicated with an air inlet of the evaporator; an air inlet of the second channel is communicated with an air outlet of the evaporator, and an air outlet of the second channel is communicated with an air inlet of the condenser;
the air outlet of the condenser is provided with a fan, the fan is used for sending the air outlet of the condenser into the drying room through an air outlet, and the air outlet of the drying room is communicated with an air return inlet through a pipeline.
2. The air-source heat pump closed-loop dehumidification dryer set as claimed in claim 1, wherein a compressor is provided in the dryer body, and an expansion valve and a four-way valve are provided between the evaporator and the condenser; a second evaporator is arranged outside the dryer body;
the exhaust port of the compressor is connected with a No. 1 port of the four-way valve by a copper pipe, a No. 2 port of the four-way valve is connected with a liquid inlet of the condenser by a copper pipe, a liquid outlet of the condenser is connected with a liquid inlet of the liquid storage device by a copper pipe, a liquid outlet of the liquid storage device is connected with an inlet of the expansion valve by a copper pipe,
the outlet of the expansion valve is connected with the liquid inlet of the evaporator and the liquid inlet of the second evaporator by copper pipes at the same time, and the liquid outlet of the evaporator is connected with a No. 3 port of the four-way valve by a copper pipe; the No. 3 port of the four-way valve is simultaneously connected with a liquid outlet of a second evaporator by a copper pipe, and a liquid inlet of the second evaporator is connected with an outlet of the refrigeration electromagnetic valve by the copper pipe;
the inlet of the refrigeration electromagnetic valve is connected with the outlet of the expansion valve, and the middle of the inlet of the expansion valve and the outlet of the liquid storage device are simultaneously connected by a copper pipe; the No. 4 port of the four-way valve is connected with the inlet of the gas-liquid separator by a copper pipe, and the outlet of the gas-liquid separator is connected with the return air port of the compressor by a copper pipe.
3. The air-source heat pump closed-loop dehumidification drying unit as claimed in claim 1, wherein a bottom water-collecting tray is provided at a bottom of the dryer body, water-collecting trays communicated with the bottom water-collecting tray are provided on both the condenser and the evaporator, and a drain port is provided on the bottom water-collecting tray.
4. The air-source heat pump closed-loop dehumidification drying unit of claim 2, wherein the fan, the compressor, the expansion valve, the four-way valve and the refrigeration solenoid valve are electrically connected with an external power supply through an electric cabinet.
5. The air-source heat pump closed-loop dehumidification dryer group of claim 2, wherein the compressor is bolted to a side away from the evaporator.
Priority Applications (1)
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CN201921167696.1U CN210292562U (en) | 2019-07-24 | 2019-07-24 | Air-source heat pump closed-loop dehumidification drying unit |
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CN201921167696.1U CN210292562U (en) | 2019-07-24 | 2019-07-24 | Air-source heat pump closed-loop dehumidification drying unit |
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CN201921167696.1U Expired - Fee Related CN210292562U (en) | 2019-07-24 | 2019-07-24 | Air-source heat pump closed-loop dehumidification drying unit |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112880322A (en) * | 2021-03-23 | 2021-06-01 | 山东欧菲特能源科技有限公司 | Well low temperature air source heat pump drying-machine device |
CN114835373A (en) * | 2022-06-13 | 2022-08-02 | 广东帝烨能源设备有限公司 | Separated high-efficiency sludge low-temperature drying machine |
-
2019
- 2019-07-24 CN CN201921167696.1U patent/CN210292562U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112880322A (en) * | 2021-03-23 | 2021-06-01 | 山东欧菲特能源科技有限公司 | Well low temperature air source heat pump drying-machine device |
CN114835373A (en) * | 2022-06-13 | 2022-08-02 | 广东帝烨能源设备有限公司 | Separated high-efficiency sludge low-temperature drying machine |
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Granted publication date: 20200410 |