CN103307866A - High-temperature heat pump drying unit for heat recovery and automatic dehumidification - Google Patents
High-temperature heat pump drying unit for heat recovery and automatic dehumidification Download PDFInfo
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- CN103307866A CN103307866A CN2013102201424A CN201310220142A CN103307866A CN 103307866 A CN103307866 A CN 103307866A CN 2013102201424 A CN2013102201424 A CN 2013102201424A CN 201310220142 A CN201310220142 A CN 201310220142A CN 103307866 A CN103307866 A CN 103307866A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a high-temperature heat pump drying unit for heat recovery and automatic dehumidification, which is characterized by comprising a compressor, an indoor condenser, a liquid storage tank, a main thermal expansion valve, an evaporator, a gas-liquid separator, a fourth solenoid valve and a dehumidification evaporator, wherein all the components are connected with one another in sequence and form a loop; a compressor air-compensating device is further arranged between the compressor and the liquid storage tank; a third solenoid valve is further arranged between the main thermal expansion valve and the evaporator; the fourth solenoid valve and one end of the dehumidification evaporator are connected with a pipeline between the main thermal expansion valve and the third solenoid valve; and the other end of the dehumidification evaporator is connected with a pipeline between the third solenoid valve and the evaporator. The high-temperature heat pump drying unit has the benefits that automatic dehumidification can be realized, high-temperature wet air can be recovered and utilized at the same time, the energy consumption is reduced, and the work efficiency is high.
Description
Technical field
The present invention relates to art of heat pumps, particularly a kind of high temperature heat pump dryer group of recuperation of heat automatic dehumidifying.
Background technology
Dry technology is widely used in the various fields of social production, and the heat of existing drying plant is mainly derived from fire coal, fuel oil or heating wire, has the shortcomings such as energy consumption is high, cost is large.
Air source heat pump mainly partly is comprised of compressor, evaporimeter, throttling arrangement, condenser etc.Its adopts the electric energy shortcoming according to contrary Carnot cycle principle, by the public matter of conducting heat the low grade heat energy that can't be utilized in the air is effectively absorbed, and it is promoted to available high-grade heat energy is used.Its course of work is: 1) heat-transfer working medium enters evaporimeter, and the heat absorption evaporation of working in evaporimeter entered compressor after this moment, working medium absorbed heat from low-temperature heat source; 2) after the compression of working medium process compressor, the intensification, the working medium that becomes high temperature, high pressure is discharged compressor; 3) working medium enters condenser, can only give the heat of absorption and other media of part heat transferred that the power consumption of compressor own produces with evaporimeter in condenser; 4) again enter evaporimeter behind the high-pressure working medium process throttling arrangement reducing pressure by regulating flow, with this constantly periodic duty.For system's operation steady in a long-term, heat pump also comprises the servicing unit of a few thing, such as fluid reservoir, gas-liquid separator, filter etc.When adding the hot-air dried material with air source heat pump as thermal source, require circulated air to heat its air outlet wind-warm syndrome higher, could carry out efficient drying to material, carry out suitability for industrialized production.But it is limited to be limited to the device heating efficiency, can't adapt to the requirement of dried material.
The applicant discloses a kind of Split heat pump Drying unit in application number is 201210582402.8 Chinese invention patent application " a kind of Split heat pump Drying unit ", comprise compressor, condenser, fluid reservoir, main heating power expansion valve, evaporimeter and gas-liquid separator, each assembly links to each other successively and forms the loop, also be provided with the compressor making-up air device between described compressor and fluid reservoir, this making-up air device comprises jet expansion valve, plate type heat exchanger, the first magnetic valve and the second magnetic valve.Adopt technique scheme, Split heat pump Drying unit of the present invention by set up making-up air device in unit, has improved the natural running temperature scope of compressor greatly, so that whole unit can be realized material is carried out efficient drying, carry out suitability for industrialized production; And condenser adopts many rows to arrange, and heat exchange area is large, has effectively guaranteed heat-carrying capacity and the exchange capability of heat of condenser, and whole Drying unit has the advantages such as working stability, good reliability.But in the drying materials process, material will be discharged the steam of high temperature, and technique scheme can not be effectively takes full advantage of the steam of this high temperature, has affected efficiency.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of high temperature heat pump dryer group that takes full advantage of the recuperation of heat automatic dehumidifying of energy.
For achieving the above object, technical scheme proposed by the invention is: a kind of high temperature heat pump dryer group of recuperation of heat automatic dehumidifying, it is characterized in that: comprise compressor, indoor condenser, fluid reservoir, main heating power expansion valve, evaporimeter and gas-liquid separator, each assembly links to each other successively and forms the loop, also be provided with the compressor making-up air device between described compressor and fluid reservoir, described compressor making-up air device comprises jet expansion valve, plate type heat exchanger, the first magnetic valve and the second magnetic valve, capillary; Described the first magnetic valve and the second magnetic valve are in parallel, described the first magnetic valve is in series with capillary, plate type heat exchanger successively, described the second magnetic valve is in series with jet expansion valve and plate type heat exchanger successively, described compressor is provided with the tonifying Qi entrance, and described plate type heat exchanger links to each other with compressor tonifying Qi entrance again; The exhaust outlet of described compressor is connected with cross valve, and described compressor links to each other with condensation by this cross valve, and evaporimeter links to each other with gas-liquid separator by this cross valve, and described gas-liquid separator is connected to the gas returning port of compressor; Also be provided with one the 3rd magnetic valve between described main heating power expansion valve and evaporimeter, described heat pump drying unit also comprises the 4th magnetic valve, dehumidifying evaporimeter, pipeline links to each other between described the 4th magnetic valve, dehumidifying evaporimeter one end and main heating power expansion valve and the 3rd magnetic valve, and pipeline links to each other between the other end and the 3rd magnetic valve and evaporimeter.
Further, described condenser is that many rows arrange.
Adopt technique scheme, the benefit that the high temperature heat pump dryer group of recuperation of heat automatic dehumidifying of the present invention is done like this is: by set up the dehumidifying evaporimeter in unit, when indoor baking material is discharged high-temperature vapor, after indoor barn reaches certain humidity, unit can automatically switch to dehumidification mode, realize automatic dehumidifying, after the unwatering certain drop in temperature is arranged behind the simultaneously indoor circulation wind process unit dehumidifying evaporimeter, add hot-air by condenser again, can guarantee that temperature can be constant in certain scope in the barn, this moment, outdoor evaporimeter was not participate in system works, can recycle High Temperature Moist Air, reduce energy consumption, high efficiency.
Description of drawings
Fig. 1 is the high temperature heat pump dryer group structural representation of recuperation of heat automatic dehumidifying of the present invention;
Wherein: 1. compressor, 101. tonifying Qi entrances, 102. exhaust outlets, 103. gas returning ports, 2. indoor condenser, 3. fluid reservoir, 4. main heating power expansion valve, 5. evaporimeter, 6. gas-liquid separator, 7. plate type heat exchanger, 8. the first magnetic valve, 9. the second magnetic valve, 10. cross valve, 11. filters, 12. jet expansion valves, 13. capillaries, 14. the 3rd magnetic valves, 15. pressure detecting mouths, 16. the 4th magnetic valves, 17. dehumidifying evaporimeters.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
As shown in Figure 1, the high temperature heat pump dryer group of recuperation of heat automatic dehumidifying, comprise compressor 1, indoor condenser 2, fluid reservoir 3, main heating power expansion valve 4, evaporimeter 5 and gas-liquid separator 6, each assembly links to each other successively and forms the loop, also be provided with the compressor making-up air device between compressor 1 and the fluid reservoir 3, this making-up air device comprises jet expansion valve 6, plate type heat exchanger 7, capillary 13, the first magnetic valve 8 and the second magnetic valve 9; The first magnetic valve 8, the second magnetic valve 9 are in parallel, and the first magnetic valve 8 is in series with capillary 13, plate type heat exchanger 4 successively, and the second magnetic valve 9 is in series with jet expansion valve 12 and plate type heat exchanger 7 successively, and plate type heat exchanger 7 links to each other with compressor 1 again.
In the present embodiment, compressor 1 is provided with tonifying Qi entrance 101, and plate type heat exchanger 7 is connected to the tonifying Qi entrance 101 of compressor 1; The two ends in one of them loop of plate type heat exchanger 7 link to each other with the tonifying Qi entrance 101 of jet expansion valve 6 and compressor 1 respectively, and the two ends in another loop link to each other with fluid reservoir 3 and main heating power expansion valve 4 respectively; The exhaust outlet 102 of compressor 1 is connected with cross valve 10, and compressor 1 links to each other with indoor condenser 2 by this cross valve 10, and evaporimeter 5 links to each other with gas-liquid separator 6 by this cross valve 10, and gas-liquid separator 6 is connected to the gas returning port 103 of compressor 1; Be provided with a plurality of pressure detecting mouths 15 in the heat pump drying unit; Further, 5 in main heating power expansion valve 4 and evaporimeter also are provided with one the 3rd magnetic valve 14, the heat pump drying unit also comprises the 4th magnetic valve 16, dehumidifying evaporimeter 17 in addition, described the 4th magnetic valve 16, dehumidifying evaporimeter 17 1 ends link to each other with 14 pipelines of main heating power expansion valve 4 and the 3rd magnetic valve, and 5 pipelines of the other end and the 3rd magnetic valve 14 and evaporimeter link to each other.
Its operation principle of high temperature heat pump dryer group of recuperation of heat automatic dehumidifying of the present invention is as follows:
(1) compressor 1 work produces the refrigerant of HTHP, and the exhaust outlet 102 by compressor 1 and cross valve 10 enter indoor condenser 2 and carry out heat exchange, are transformed into the liquid of middle temperature high pressure, and are discharged by indoor condenser 2, enter fluid reservoir 3; And indoor condenser 2 has increased heat exchange area for many rows arrange, and makes it the air outlet temperature and reaches more than 80 degree, can realize the oven dry of material;
(2) from fluid reservoir 3 refrigerant process filter 11 out, by after plate type heat exchanger 7 heat exchange, flow to main heating power expansion valve 4, and then enter evaporimeter 5 again, finally be back to the gas returning port 103 of compressor 1 through gas-liquid separator 6;
(3) when the insufficient pressure in the compressor 1, the first magnetic valve 8 can carry out throttling to unnecessary refrigerant; Refrigerant is sprayed by 6 throttlings of jet expansion valve behind the second magnetic valve 9 again, changes the gas of high-temperature low-pressure into, be mingled with a small amount of liquid in this gas, again further by plate type heat exchanger 7 heat exchange, convert gas to fully after, the tonifying Qi entrance 101 that enters at last compressor 1 carries out tonifying Qi;
(4) discharge high-temperature vapor when indoor baking material, after indoor barn reached certain humidity, unit can automatically switch to dehumidification mode, by throttling process indoor dehumidification evaporimeter, carried out automatic dehumidifying behind the refrigerant process condenser; After the unwatering certain drop in temperature is arranged behind the simultaneously indoor circulation wind process unit dehumidifying evaporimeter, add hot-air by condenser again, can guarantee that temperature can be constant in certain scope in the barn, this moment, outdoor evaporimeter did not participate in system works.
Although specifically show and introduced the present invention in conjunction with preferred embodiment; but the those skilled in the art should be understood that; within not breaking away from the spirit and scope of the present invention that appended claims limits; in the form and details the present invention is made a variety of changes, be protection scope of the present invention.
Claims (2)
1. the high temperature heat pump dryer group of a recuperation of heat automatic dehumidifying, it is characterized in that: comprise compressor, indoor condenser, fluid reservoir, main heating power expansion valve, evaporimeter and gas-liquid separator, each assembly links to each other successively and forms the loop, also be provided with the compressor making-up air device between described compressor and fluid reservoir, described compressor making-up air device comprises jet expansion valve, plate type heat exchanger, the first magnetic valve and the second magnetic valve, capillary; Described the first magnetic valve and the second magnetic valve are in parallel, described the first magnetic valve is in series with capillary, plate type heat exchanger successively, described the second magnetic valve is in series with jet expansion valve and plate type heat exchanger successively, described compressor is provided with the tonifying Qi entrance, and described plate type heat exchanger links to each other with compressor tonifying Qi entrance again; The exhaust outlet of described compressor is connected with cross valve, and described compressor links to each other with condensation by this cross valve, and evaporimeter links to each other with gas-liquid separator by this cross valve, and described gas-liquid separator is connected to the gas returning port of compressor; Also be provided with one the 3rd magnetic valve between described main heating power expansion valve and evaporimeter, described heat pump drying unit also comprises the 4th magnetic valve, dehumidifying evaporimeter, pipeline links to each other between described the 4th magnetic valve, dehumidifying evaporimeter one end and main heating power expansion valve and the 3rd magnetic valve, and pipeline links to each other between the other end and the 3rd magnetic valve and evaporimeter.
2. the high temperature heat pump dryer group of a kind of recuperation of heat automatic dehumidifying according to claim 1 is characterized in that: described indoor condenser is arranged for many rows.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102201424A CN103307866A (en) | 2013-06-05 | 2013-06-05 | High-temperature heat pump drying unit for heat recovery and automatic dehumidification |
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| CN2013102201424A CN103307866A (en) | 2013-06-05 | 2013-06-05 | High-temperature heat pump drying unit for heat recovery and automatic dehumidification |
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| CN103307866A true CN103307866A (en) | 2013-09-18 |
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| CN2013102201424A Pending CN103307866A (en) | 2013-06-05 | 2013-06-05 | High-temperature heat pump drying unit for heat recovery and automatic dehumidification |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236287A (en) * | 2014-10-15 | 2014-12-24 | 广州德能热源设备有限公司 | Special heat pump drying unit for northern area in China |
| CN104296516A (en) * | 2014-10-17 | 2015-01-21 | 合肥天鹅制冷科技有限公司 | Quick preheating type drying machine with air-source heat pumps |
| CN106288488A (en) * | 2016-08-29 | 2017-01-04 | 广东美的暖通设备有限公司 | Air-conditioner system and the control method of air-conditioner system |
| CN106705590A (en) * | 2016-12-13 | 2017-05-24 | 河南佰衡节能科技股份有限公司 | Heat pump type water heating drying system |
| CN107144123A (en) * | 2017-07-18 | 2017-09-08 | 合肥万都云雅制冷科技股份有限公司 | A kind of heat pump dryer system |
| CN107328127A (en) * | 2017-08-08 | 2017-11-07 | 广东欧科空调制冷有限公司 | Water source heat pump units with condensing units |
| CN108895822A (en) * | 2018-07-28 | 2018-11-27 | 李越英 | A kind of pure cold medium heat pump dryer having constant temperature dehumidification and off-load heat recovery function |
| CN109307403A (en) * | 2018-10-22 | 2019-02-05 | 广东芬蓝环境科技有限公司 | Enclosed drying system and double air duct enclosed drying systems |
| CN109442889A (en) * | 2018-10-10 | 2019-03-08 | 浙江大学 | One mode changeable waste heat recovery type heat pump drying device and its operation method |
| CN110088549A (en) * | 2016-11-18 | 2019-08-02 | 基伊埃工程技术股份有限公司 | Drying system with improved energy efficiency and capability control |
| CN110108117A (en) * | 2019-05-29 | 2019-08-09 | 云南全克节能技术有限公司 | Heat pump drying material moisture extracts collection device |
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| JP2000088283A (en) * | 1998-07-16 | 2000-03-31 | Ebara Corp | Dehumidifying and air-conditioning device as well as dehumidifying method |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236287A (en) * | 2014-10-15 | 2014-12-24 | 广州德能热源设备有限公司 | Special heat pump drying unit for northern area in China |
| CN104296516A (en) * | 2014-10-17 | 2015-01-21 | 合肥天鹅制冷科技有限公司 | Quick preheating type drying machine with air-source heat pumps |
| CN106288488B (en) * | 2016-08-29 | 2019-02-01 | 广东美的暖通设备有限公司 | The control method of air-conditioner system and air-conditioner system |
| CN106288488A (en) * | 2016-08-29 | 2017-01-04 | 广东美的暖通设备有限公司 | Air-conditioner system and the control method of air-conditioner system |
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| CN110088549A (en) * | 2016-11-18 | 2019-08-02 | 基伊埃工程技术股份有限公司 | Drying system with improved energy efficiency and capability control |
| CN106705590A (en) * | 2016-12-13 | 2017-05-24 | 河南佰衡节能科技股份有限公司 | Heat pump type water heating drying system |
| CN107144123A (en) * | 2017-07-18 | 2017-09-08 | 合肥万都云雅制冷科技股份有限公司 | A kind of heat pump dryer system |
| CN107328127A (en) * | 2017-08-08 | 2017-11-07 | 广东欧科空调制冷有限公司 | Water source heat pump units with condensing units |
| CN108895822A (en) * | 2018-07-28 | 2018-11-27 | 李越英 | A kind of pure cold medium heat pump dryer having constant temperature dehumidification and off-load heat recovery function |
| CN109442889A (en) * | 2018-10-10 | 2019-03-08 | 浙江大学 | One mode changeable waste heat recovery type heat pump drying device and its operation method |
| CN109442889B (en) * | 2018-10-10 | 2019-10-01 | 浙江大学 | One mode changeable waste heat recovery type heat pump drying device and its operation method |
| CN109307403A (en) * | 2018-10-22 | 2019-02-05 | 广东芬蓝环境科技有限公司 | Enclosed drying system and double air duct enclosed drying systems |
| CN110108117A (en) * | 2019-05-29 | 2019-08-09 | 云南全克节能技术有限公司 | Heat pump drying material moisture extracts collection device |
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Application publication date: 20130918 |