CN2418444Y - Heat-pump drying device with auxiliary cooling device - Google Patents
Heat-pump drying device with auxiliary cooling device Download PDFInfo
- Publication number
- CN2418444Y CN2418444Y CN 00208076 CN00208076U CN2418444Y CN 2418444 Y CN2418444 Y CN 2418444Y CN 00208076 CN00208076 CN 00208076 CN 00208076 U CN00208076 U CN 00208076U CN 2418444 Y CN2418444 Y CN 2418444Y
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- Prior art keywords
- heat pump
- air
- drying
- auxiliary
- evaporator
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- 238000001035 drying Methods 0.000 title claims abstract description 50
- 238000001816 cooling Methods 0.000 title abstract description 5
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a heat pump drying device with an auxiliary cooling device, which comprises a heat pump return circuit and an air return circuit, wherein the heat pump return circuit orderly comprises a compressor, an auxiliary condenser, a condenser, a throttling device, an auxiliary evaporator, an evaporator and cycle working fluids, and the air return circuit orderly comprises an air valve, a drying box and a draught fan; the three-way air valve adjusts the ratios of air which enters the evaporator and enters a bypass pipeline. The utility model is characterized in that the auxiliary cooling device is additionally arranged between the drying box and the evaporator. Under drying temperature which ranges from 35 DEG C to 70 DEG C, the drying time of the utility model can be reduced by 10 percent to 25 percent, energy consumption is reduced by 15 percent to 30 percent, and the external dimensions and the initial investment of the device are not changed.
Description
The utility model relates to drying device, relates in particular to a kind of heat pump drying device with auxiliary cooler.
Drying is one of bigger unit operations of energy consumption.Traditional drying equipment, the thermal efficiency has only 30～60%, and causes environmental pollution.Heat pump drying device has obtained broad research and development and use since coming out the forties.The technology of China's heat pump drying is started in the beginning of the eighties, at present nearly thousand be applied to that the drying of wood, food processing, dewatering vegetable, pottery cure, fields such as medicine sterilizing-drying, sewage sludge treatment and industrial chemicals drying.
With regard to the energy utilization, heat pump drying has improved the energy-saving effect of dry run greatly, and the operating cost reduction, still, compares with the traditional drying method, and initial cost and plant maintenance expense are higher.So the efficient and the rate of drying that further improve heat pump drying device are significant.The utility model is on the basis of heat pump drying (enclosed or the semi-open type) device of extensive use at present, the heat pump drying device of band auxiliary cooler has been proposed, device appearance and size and first the investment under the constant condition, can obviously shorten drying time, improve rate of drying and save the drying loss energy consumption.
The flow process of the enclosed heat pump drying device that extensively adopts mainly is made up of heat pump circuit and air loop at present.Heat pump circuit comprises compressor, auxiliary condenser, condenser, throttling arrangement, the auxiliary steaming with device, evaporimeter and cycle fluid.Air loop mainly comprises air-valve, drying box and blower fan one air under the driving of blower fan, and the moisture absorption from material of drying case enters the evaporimeter cooling of drying, and enters wet intensifications such as condenser again, gets back to blower fan at last and finishes circulation.Three-way air valve is regulated the ratio that enters evaporimeter and bypath air, and drying is rationally being worked under the operating mode.Auxiliary evaporator can guarantee in the dry temperature rise period in this flow process, and heat pump absorbs heat from environment or other thermal source and reaches the purpose that rapidly and efficiently heats up.In the dry middle and later periods, close thermal source in the auxiliary evaporator, evaporimeter plays the cooling dehumidifying.Because air loop must be worked in given temperature range, so in the dry middle and later periods, auxiliary condenser must discharge unnecessary heat energy.The discharge of this part heat energy has reduced the energy utilization efficiency of heat pump drying device just, so it is significant to inquire into further rationally utilizing of this part heat energy.
The purpose of this utility model provides the heat pump drying device of the band auxiliary cooler that a kind of drying time is few, energy consumption is low, device appearance and size and initial cost is constant.
The utility model is taked following measures in order to achieve the above object:
The heat pump drying device of band auxiliary cooler comprises heat pump circuit and air loop, heat pump circuit comprises compressor, auxiliary condenser, condenser, throttling arrangement, auxiliary evaporator, evaporimeter and cycle fluid successively, air loop comprises air-valve, drying box and blower fan successively, three-way air valve is regulated the ratio that enters evaporimeter and bypass line air, and feature is to have set up an auxiliary cooler between drying box and evaporimeter.
Advantage of the present utility model: 1) water capacity of humid air and the temperature that enters evaporimeter reduces, make the evaporator cools load and remove the humidity load reduction, therefore the water capacity of leaving the air of evaporimeter reduces, thereby has improved the wettability power of the air that enters drying box, and rate of drying is accelerated; 2) aerial temperature and humidity that enters evaporimeter reduces, and Load Evaporator reduces to make evaporating temperature to reduce, and under the same conditions, the input power of heat pump compressor reduces, thereby reaches purpose of energy saving; 3) from the angle of energy balance as can be known, auxiliary cooler almost can replace the exothermic effects of auxiliary condenser, so device appearance and size remains unchanged.Theoretical research and experiment test show, compare with heat pump drying device commonly used at present, the heat pump drying device of the band auxiliary cooler that the utility model proposes is in 35～70 ℃ of scopes of baking temperature, can reduce 10～25% drying time, energy consumption reduces by 15～30%, and device appearance and size and initial cost are constant.
The utility model proposes the method for between drying box and evaporimeter, setting up auxiliary cooler and also can be used for the semi-open type heat pump drying device heat pump drying device close with other.
Below in conjunction with accompanying drawing the utility model is elaborated.
Accompanying drawing is the utility model schematic flow sheet.
The heat pump drying device of band auxiliary cooler comprises heat pump circuit and air loop, heat pump circuit comprises compressor 1, auxiliary condenser 2, condenser 3, throttling arrangement 4, auxiliary evaporator 5, evaporimeter 6 and cycle fluid successively, air loop comprises air-valve 7, drying box 8 and blower fan 9 successively, three-way air valve 7 is regulated the ratio that enters evaporimeter and bypass line air, has set up an auxiliary cooler 10 between drying box and evaporimeter.
Claims (1)
1. heat pump drying device with auxiliary cooler, it comprises heat pump circuit and air loop, heat pump circuit comprises compressor [1], auxiliary condenser [2], condenser [3], throttling arrangement [4], auxiliary evaporator [5], evaporimeter [6] and cycle fluid successively, air loop comprises air-valve [7], drying box [8] and blower fan [9] successively, three-way air valve [7] is regulated the ratio that enters evaporimeter and bypass line air, it is characterized in that having set up between drying box and evaporimeter an auxiliary cooler [10].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00208076 CN2418444Y (en) | 2000-04-13 | 2000-04-13 | Heat-pump drying device with auxiliary cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00208076 CN2418444Y (en) | 2000-04-13 | 2000-04-13 | Heat-pump drying device with auxiliary cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2418444Y true CN2418444Y (en) | 2001-02-07 |
Family
ID=33575556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00208076 Expired - Fee Related CN2418444Y (en) | 2000-04-13 | 2000-04-13 | Heat-pump drying device with auxiliary cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2418444Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424452C (en) * | 2006-06-30 | 2008-10-08 | 江西省科学院食品工程创新中心 | Heat pump and hot blast combined drying apparatus |
| CN101487662B (en) * | 2008-01-16 | 2012-01-04 | 凌建军 | Waste heat cyclic utilization type high-efficiency energy-saving drying machine |
| CN102519139A (en) * | 2012-01-14 | 2012-06-27 | 湖南省浏阳市择明热工器材有限公司 | Air source heat pump system for providing direct high temperature air |
| CN101738062B (en) * | 2008-11-14 | 2012-09-19 | 兰州科近真空冻干技术有限公司 | Vacuum freeze-drying device |
| CN105029655A (en) * | 2015-08-03 | 2015-11-11 | 天津市傲绿农副产品集团股份有限公司 | Energy-saving type garden staff heat pump drying device |
| CN105066666A (en) * | 2015-07-22 | 2015-11-18 | 合肥淘能环境科技有限公司 | Heat pump drying device with humidity and temperature adjusting function |
| CN107238262A (en) * | 2017-07-21 | 2017-10-10 | 浙江舟山华灿科技有限公司 | Heat pump intelligent power saving drying system |
| CN107270696A (en) * | 2017-06-23 | 2017-10-20 | 中国科学院理化技术研究所 | Based on CO2Drying system of transcritical heat pump cycle |
| 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 |
| CN109553270A (en) * | 2018-12-06 | 2019-04-02 | 江苏天舒电器有限公司 | A kind of pump type heat enclosed sludge drying system and its control method |
-
2000
- 2000-04-13 CN CN 00208076 patent/CN2418444Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424452C (en) * | 2006-06-30 | 2008-10-08 | 江西省科学院食品工程创新中心 | Heat pump and hot blast combined drying apparatus |
| CN101487662B (en) * | 2008-01-16 | 2012-01-04 | 凌建军 | Waste heat cyclic utilization type high-efficiency energy-saving drying machine |
| CN101738062B (en) * | 2008-11-14 | 2012-09-19 | 兰州科近真空冻干技术有限公司 | Vacuum freeze-drying device |
| CN102519139A (en) * | 2012-01-14 | 2012-06-27 | 湖南省浏阳市择明热工器材有限公司 | Air source heat pump system for providing direct high temperature air |
| CN102519139B (en) * | 2012-01-14 | 2014-11-19 | 湖南省浏阳市择明热工器材有限公司 | Air source heat pump system for providing direct high temperature air |
| CN105066666A (en) * | 2015-07-22 | 2015-11-18 | 合肥淘能环境科技有限公司 | Heat pump drying device with humidity and temperature adjusting function |
| CN105029655A (en) * | 2015-08-03 | 2015-11-11 | 天津市傲绿农副产品集团股份有限公司 | Energy-saving type garden staff heat pump drying device |
| CN107270696A (en) * | 2017-06-23 | 2017-10-20 | 中国科学院理化技术研究所 | Based on CO2Drying system of transcritical heat pump cycle |
| CN107238262A (en) * | 2017-07-21 | 2017-10-10 | 浙江舟山华灿科技有限公司 | Heat pump intelligent power saving drying system |
| 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 |
| CN109553270A (en) * | 2018-12-06 | 2019-04-02 | 江苏天舒电器有限公司 | A kind of pump type heat enclosed sludge drying system and its control method |
| CN109553270B (en) * | 2018-12-06 | 2021-11-26 | 江苏天舒电器有限公司 | Heat pump type closed sludge drying system and control method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |