CN101571331A - Solar phase-change heat storage absorption refrigeration fresh-keeping system - Google Patents
Solar phase-change heat storage absorption refrigeration fresh-keeping system Download PDFInfo
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- CN101571331A CN101571331A CNA2009100226825A CN200910022682A CN101571331A CN 101571331 A CN101571331 A CN 101571331A CN A2009100226825 A CNA2009100226825 A CN A2009100226825A CN 200910022682 A CN200910022682 A CN 200910022682A CN 101571331 A CN101571331 A CN 101571331A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The invention discloses a solar phase-change heat storage absorption refrigeration fresh-keeping system, which comprises an absorption refrigerator consisting of a generator, a condenser, a throttle valve, an evaporator, an evaporation pump, an absorber, an absorption pump, a generator pump and a solution heat exchanger, and a heat source consisting of a solar collector, a temperature control valve, a heat storage water tank and a hot water pump, wherein the generator is communicated with the absorber through a two-way pipeline; the generator, the condenser, the evaporator and the absorber form a circulation pipeline; the evaporator is connected with a heating and cooling fan through a pipeline; and the refrigerating capacity is sent into a refrigerating chamber required to be refrigerated. The fresh-keeping system makes use of solar energy, saves the electric energy, reduces the running cost, and reduces the environmental pollution.
Description
Technical field
The invention belongs to solar energy Conversion and Utilization technical field, be specifically related to a kind of solar phase-change heat storage absorption refrigeration fresh-keeping system, is drive energy with solar energy, adopts the phase-change heat storage absorption refrigeration technology, can carry out controlled atmosphere to fruits and vegetables, Chinese medicine etc.
Background technology
At present, adopt the controlled atmosphere technology that agricultural product such as perishable rotten fruits and vegetables and Chinese medicine are carried out fresh-keeping preservation.These agricultural product are placed fresh-keeping warehouse, by regulating the temperature and humidity of gas in the fresh-keeping warehouse, can the perishable agricultural product of long-time fresh-keeping preservation.Existing fresh-keeping warehouse generally adopts electric energy to drive the refrigeration machine refrigeration, with electric power and the fuel energy as refrigeration machine, regulates and keep the temperature and humidity etc. of gas in the fresh-keeping warehouse, reaches fresh-keeping purpose.Along with the demand of air-conditioning, refrigerating fresh-keeping equipment is increasing, electric power development brings environmental problems such as toxic emission, greenhouse effects and acid rain simultaneously, some cold-producing mediums of refrigeration machine also can damage atmospheric ozone layer, and in the prior art, the power consumption of fresh-keeping system is big, makes that fresh-keeping cost is higher.
Summary of the invention
The purpose of this invention is to provide a kind of solar phase-change heat storage absorption refrigeration fresh-keeping system, is the energy with solar energy, reduces power consumption, has reduced fresh-keeping cost, has alleviated the pollution to environment simultaneously.
The technical solution adopted in the present invention is, solar phase-change heat storage absorption refrigeration fresh-keeping system, comprise solar thermal collector, solar thermal collector is connected with generator with accumulation of heat liquid case successively by pipeline, solar thermal collector is provided with temperature-sensing valve with the pipeline that accumulation of heat liquid case is connected, generator also directly is connected with solar thermal collector by pipeline, generator also by pipeline successively with condenser, evaporimeter is connected with absorber, generator, condenser, evaporimeter and absorber constitute a circulation line, and generator also directly is connected with absorber by pipeline, two-way pipeline between generator and the absorber is all by a solution heat exchanger, and evaporimeter feeds refrigerating chamber by pipeline with refrigerating medium and emits cold.
Characteristics of the present invention also are,
This system also comprises a cooling tower, and cooling tower is connected with absorber with condenser by pipeline respectively.
Evaporimeter wherein is connected with cold and warm air heating radiator by two-way pipeline.
Solar thermal collector wherein is made up of a plurality of heat-tube vacuum tubular type solar thermal collectors.
Be provided with electric heater unit in the accumulation of heat liquid case wherein.
Be provided with the macromolecule solid-solid phase transition material in the accumulation of heat liquid case wherein.
The direct-connected pipeline of generator and solar thermal collector is provided with circulating pump.
The pipeline that cooling tower is connected with absorber is provided with coolant pump.
The pipeline that is connected between condenser and the evaporimeter is provided with choke valve.
Fresh-keeping system employing heat-tube vacuum tubular type solar thermal collector heating of the present invention and the heat release of phase-transition heat-storage medium are as the stable thermal source of absorption system, with solar energy is the energy, with solar energy heating, accumulation of heat, refrigeration, air conditioning technology combination, electric power and fuel have been saved, also alleviated pollution simultaneously to environment, reduced operating cost, employing Absorption Cooling System refrigeration, by the adjusting of refrigerating capacity and the adjusting of air, satisfy fruits and vegetables, the different controlled atmosphere requirement of Chinese medicine, and can realize out-of-season sale, make the peasant realize increasing both production and income.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of refrigeration fresh-keeping system of the present invention.
Among the figure, 1. generator, 2. condenser, 3. choke valve, 4. evaporimeter, 5. evaporation pump, 6. absorber, 7. absorption pump, 8. generating pump, 9. solution heat exchanger, 10. solar thermal collector, 11. accumulation of heat liquid casees, 12. circulating pump, 13. cooling towers, 14. cold and warm air heating radiators, 15. temperature-sensing valve, 16. coolant pump, 17. coolant pumps.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
The structure of a kind of embodiment of refrigeration fresh-keeping system of the present invention, as shown in Figure 1.Comprise the solar thermal collector of being made up of a plurality of heat-tube vacuum tubular type solar thermal collectors 10, the feed tube and the drain pipe of these a plurality of heat-tube vacuum tubular type solar thermal collectors communicate by pipeline respectively, and constitute the feed tube and the drain pipe of solar thermal collector 10.The drain pipe of solar thermal collector 10 communicates by the inlet of pipeline with accumulation of heat liquid case 11, and this pipeline is provided with temperature-sensing valve 15; Be provided with in the accumulation of heat liquid case 11 and can absorb and the phase-change material and the electric heater unit of store heat, the liquid outlet of accumulation of heat liquid case 11 is connected with the inner generator 1 that is provided with heat exchanger tube by pipeline, this pipeline communicates with the inlet of heat exchanger tube in the generator 1, the liquid outlet of this heat exchanger tube communicates by the feed tube of pipeline with solar thermal collector 10, and this pipeline is provided with circulating pump 12.
Place the refrigeration working medium concentrated solution in the generator 1, generator 1 bottom is connected with absorber 6 by pipeline, and by a solution heat exchanger 9.Top in the absorber 6 is arranged with two showers in parallel, is connected with the nozzle of a plurality of openings towards heat exchanger tube on this two shower; Generator 1 lower sidewall communicates with an end of a pipeline, the other end of this pipeline is connected with solution heat exchanger 9, and pass solution heat exchanger 9 from top to bottom and communicate with absorber 6 bottoms, absorber 6 lower sidewall communicate with an end of a pipeline, another shower in the other end of this pipeline and the absorber 6 communicates, this pipeline is provided with absorption pump 7, is filled with the refrigeration working medium weak solution in the absorber 6, and is provided with heat exchanger tube.
Generator 1, condenser 2, evaporimeter 4 and absorber 6 are connected successively, constitute a closed circuit.The top of generator 1 communicates by the top of pipeline with condenser 2, the delivery port of heat exchanger tube communicates by the top of pipeline with cooling tower 13 in the condenser 2, the water inlet of heat exchanger tube communicates with the delivery port of heat exchanger tube in the absorber 6 by pipeline in the condenser 2, the water inlet of heat exchanger tube communicates by the bottom of pipeline with cooling tower 13 in the absorber 6, and this pipeline is provided with coolant pump 17.The bottom of condenser 2 communicates by the top of pipeline with evaporimeter 4, and this pipeline is provided with choke valve 3; From top to bottom be disposed with shower and heat exchanger tube in the evaporimeter 4.Evaporimeter 4 lower sidewall communicate with an end of a pipeline, and the shower in the other end of this pipeline and the evaporimeter 4 communicates, and this pipeline is provided with evaporation pump 5; The import of heat exchanger tube is connected with cold and warm air heating radiator 14 by pipeline respectively with outlet in the evaporimeter 4, and this pipeline is provided with coolant pump 16, is filled with refrigerating medium in this pipeline.The top of evaporimeter 4 and absorber 6 communicates by pipeline.
Forming the quantity and the area of the heat-tube vacuum tubular type solar thermal collector of solar thermal collector 10 is determined by the refrigerating capacity size.The heat collecting liquid of heat-tube vacuum tubular type solar thermal collector inside absorbs solar heat, after heating temperature raises, heat collecting liquid after will being heated by circulating pump 12 by pipeline is sent into accumulation of heat liquid case 11, be provided with in the accumulation of heat liquid case 11 and can absorb and the macromolecule solid-solid phase transition material of store heat, emit heat when the water temperature of this phase-change material in accumulation of heat liquid case 11 is lower than phase transition temperature, keep the temperature of heat collecting liquid in the accumulation of heat liquid case 11.
Accumulation of heat liquid case 11 and generator 1 link to each other by pipeline, keep the stable heating to generator 1.The electric heater unit that is provided with in the accumulation of heat liquid case 11, the auxiliary heating when being used for solar energy and phase transformation heat supply deficiency guarantees refrigeration system stable operation.
Heat collecting liquid in the generator 1 in the heat exchanger tube, carry out heat exchange by heat exchanger tube and cold-producing medium working medium concentrated solution after, send solar thermal collector 10 back to by circulating pump 12, continue absorption solar energy.
Night or overcast and rainy, when solar energy is under-supply, regulate temperature-sensing valve 15, with the closedown of pipeline between solar thermal collector 10 and the accumulation of heat liquid case 11, make the circulation between accumulation of heat liquid case 11 and generator 1 of liquid stream, to avoid the heat in the heat collecting liquid suck-back receipts accumulation of heat liquid case in the solar thermal collector 10.
Generator 1, condenser 2, choke valve 3, evaporimeter 4, evaporation pump 5, absorber 6, absorption pump 7, generating pump 8 and solution heat exchanger 9 constitute Absorption Refrigerator.The heat collecting liquid that produces when solar thermal collector 10 and accumulation of heat liquid case 11 is when Absorption Refrigerator provides heat energy continuously, and evaporimeter 4 freezes by the evaporation of cold-producing medium.Refrigerating capacity is sent to refrigerating chamber by refrigerating medium and air-cooler 14 under the effect of coolant pump 16, realize the refrigerating fresh-keeping function.
Under the effect of coolant pump 17, the cold water that produces in the cooling tower 13 is imported condenser 2 and absorber 6 successively, condenser 2 and absorber 6 are cooled off, to guarantee the refrigeration system operate as normal.
The course of work of refrigeration fresh-keeping system of the present invention is as follows:
The heat collecting liquid of solar thermal collector 10 inside raises by the thermal radiation temperature that absorbs the sun, produce heat, temperature-sensing valve 15 is opened automatically, solar thermal collector 10 and hot water storage tank 11 are communicated, start circulating pump 12 simultaneously, the heat collecting liquid in solar thermal collector 10 fluid reservoirs is imported accumulation of heat liquid case 11 by pipeline, then, enter heat exchanger tube in the generator 1 by pipeline again, and the cold-producing medium working medium generation heat exchange by filling in this heat exchanger tube and the generator 1, the generation refrigerant vapour.Heat collecting liquid temperature after heat exchange descends, and sends back in the solar thermal collector 10 by pipeline and continues by solar energy heating.During shortage of heat that solar thermal collector 10 absorbs, enter the heat collecting liquid temperature of accumulation of heat liquid case 11 if be lower than phase transition temperature night or overcast and rainy, and the phase-change materials that are provided with in the accumulation of heat this moment liquid case 11 discharge latent heat of phase change, keep heating-up temperature stable.Regulate temperature-sensing valve 15 this moment, makes the closedown of pipeline between solar thermal collector 10 and the hot water storage tank 11, to avoid the heat in the heat collecting liquid suck-back receipts accumulation of heat liquid case in the solar thermal collector 10.And arm is connected with the pipeline that is connected generator 1 interior heat exchanger tube, realizes partial circulating.When the phase-change material heat release is not enough to keep the refrigeration system steady operation, open the electric heater unit that is provided with in the accumulation of heat liquid case 11, give the heating of the heat collecting liquid in the accumulation of heat liquid case 11, heat collecting liquid after the heating is by the heat exchanger tube in the pipeline inflow generator 1, and carry out heat exchange by the refrigeration working medium of filling in this heat exchanger tube and the generator 1, after heat exchange, heat collecting liquid flows back to hot water storage tank 11 by pipeline through temperature-sensing valve 15.
The refrigeration working medium of filling is to after being heated in the generator 1, the refrigerant vapour that produces enters condenser 2 by pipeline from the top, heat release is condensed into liquid in condenser 2, flow to the bottom of condenser 2, open choke valve 3, the refrigeration working medium of condenser 2 bottoms enters evaporimeter 4 by pipeline, and pool concentration higher concentration refrigeration working medium solution in evaporimeter 4 bottoms, because the concentration of refrigeration working medium solution is less than the concentration of refrigeration working medium in the evaporimeter 4 in the absorber 6, refrigeration working medium has the strong absorption effect to the refrigeration working medium in the evaporimeter 4 in the absorber 6, this absorption causes refrigeration working medium liquid evaporation and the heat absorption rapidly in the evaporimeter 4, the temperature of refrigerating medium in the evaporimeter 4 interior heat exchanger tubes is descended rapidly, start coolant pump 16, refrigerating medium is transferred to refrigerator, cold transfers to refrigerator by refrigerating medium, realizes refrigeration.When the concentration of refrigeration working medium in the absorber 6 thickens because of absorption refrigeration agent steam, start generating pump 8 with the refrigerant solution input generator 1 that thickens, produce refrigerant vapour after the heating again, recycle.
Refrigeration fresh-keeping system of the present invention, with the drive energy of solar energy as Absorption Refrigerator, and adopt large and small circulation heating temperature control technique to adapt to the variation and the phase-change heat storage absorption refrigeration technology of solar energy, fruits and vegetables, Chinese medicine etc. are carried out controlled atmosphere, make full use of green energy resource, save electric energy, reduced operating cost.
Claims (9)
1. solar phase-change heat storage absorption refrigeration fresh-keeping system, it is characterized in that, comprise solar thermal collector (10), solar thermal collector (10) is connected with generator (1) with accumulation of heat liquid case (11) successively by pipeline, the pipeline that solar thermal collector (10) is connected with accumulation of heat liquid case (11) is provided with temperature-sensing valve (15), generator (1) also directly is connected with solar thermal collector (10) by pipeline, generator (1) also by pipeline successively with condenser (2), evaporimeter (4) is connected with absorber (6), generator (1), condenser (2), evaporimeter (4) and absorber (6) constitute a circulation line, and generator (1) also directly is connected with absorber (6) by pipeline, two-way pipeline between generator (1) and the absorber (6) is all by a solution heat exchanger (9), and evaporimeter (4) feeds refrigerating chamber by pipeline with refrigerating capacity.
2. according to the described refrigeration fresh-keeping system of claim 1, it is characterized in that, also comprise a cooling tower (13), cooling tower (13) is connected with absorber (6) with condenser (2) by pipeline respectively.
3. according to the described refrigeration fresh-keeping system of claim 1, it is characterized in that described evaporimeter (4) is connected with cold and warm air heating radiator (14) by two-way pipeline.
4. according to the described refrigeration fresh-keeping system of claim 1, it is characterized in that described solar thermal collector (10) is made up of a plurality of heat-tube vacuum tubular type solar thermal collectors.
5. according to the described refrigeration fresh-keeping system of claim 1, it is characterized in that, be provided with electric heater unit in the described accumulation of heat liquid case (11).
6. according to the described refrigeration fresh-keeping system of claim 1, it is characterized in that described hot water storage tank is provided with the macromolecule solid-solid phase transition material in (11).
7. according to the described refrigeration fresh-keeping system of claim 1, it is characterized in that described generator (1) is provided with circulating pump (12) with the direct-connected pipeline of solar thermal collector (10).
8. according to the described refrigeration fresh-keeping system of claim 1, it is characterized in that the pipeline that described cooling tower (13) is connected with absorber (6) is provided with coolant pump (17).
9. according to the described refrigeration fresh-keeping system of claim 1, it is characterized in that the pipeline that is connected between described condenser (2) and the evaporimeter (4) is provided with choke valve (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100226825A CN101571331B (en) | 2009-05-25 | 2009-05-25 | Solar phase-change heat storage absorption refrigeration fresh-keeping system |
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| CN2009100226825A CN101571331B (en) | 2009-05-25 | 2009-05-25 | Solar phase-change heat storage absorption refrigeration fresh-keeping system |
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| CN101571331A true CN101571331A (en) | 2009-11-04 |
| CN101571331B CN101571331B (en) | 2011-04-13 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929758A (en) * | 2010-09-07 | 2010-12-29 | 陕西理工学院 | Continuous refrigerating system with energy storage of solar energy working medium and continuous refrigerating method |
| CN102042712A (en) * | 2010-12-18 | 2011-05-04 | 李华玉 | Backheating type absorption-generation system and multiterminal heat-supply third-class absorption heat pump |
| CN102425878A (en) * | 2011-11-01 | 2012-04-25 | 李华玉 | Third type absorption-generation system and regenerative third type absorption heat pump |
| CN102818397A (en) * | 2011-06-10 | 2012-12-12 | 三星电子株式会社 | Heat pump |
| CN103017349A (en) * | 2012-12-16 | 2013-04-03 | 河北建投国融能源服务股份有限公司 | Heat utilization system and method for realizing combination of solar photothermal technique and thermal power plant |
| CN104279784A (en) * | 2014-10-20 | 2015-01-14 | 宁波工程学院 | Heat pump |
| CN105402929A (en) * | 2014-09-10 | 2016-03-16 | 矢崎能源系统公司 | absorbed type refrigeration system |
| CN105402928A (en) * | 2014-09-10 | 2016-03-16 | 矢崎能源系统公司 | Absorption type refrigeration system |
| CN108489143A (en) * | 2018-05-09 | 2018-09-04 | 安徽沃特普尔节能科技有限公司 | A kind of novel energy-conserving system in library of being freezed using industrial exhaust heat |
| CN110612421A (en) * | 2017-02-27 | 2019-12-24 | 博塔驻车株式会社 | Heat exchange device |
-
2009
- 2009-05-25 CN CN2009100226825A patent/CN101571331B/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929758A (en) * | 2010-09-07 | 2010-12-29 | 陕西理工学院 | Continuous refrigerating system with energy storage of solar energy working medium and continuous refrigerating method |
| CN102042712A (en) * | 2010-12-18 | 2011-05-04 | 李华玉 | Backheating type absorption-generation system and multiterminal heat-supply third-class absorption heat pump |
| CN102818397B (en) * | 2011-06-10 | 2016-06-08 | 三星电子株式会社 | Heat pump |
| CN102818397A (en) * | 2011-06-10 | 2012-12-12 | 三星电子株式会社 | Heat pump |
| CN102425878A (en) * | 2011-11-01 | 2012-04-25 | 李华玉 | Third type absorption-generation system and regenerative third type absorption heat pump |
| CN103017349A (en) * | 2012-12-16 | 2013-04-03 | 河北建投国融能源服务股份有限公司 | Heat utilization system and method for realizing combination of solar photothermal technique and thermal power plant |
| CN105402929A (en) * | 2014-09-10 | 2016-03-16 | 矢崎能源系统公司 | absorbed type refrigeration system |
| CN105402928A (en) * | 2014-09-10 | 2016-03-16 | 矢崎能源系统公司 | Absorption type refrigeration system |
| CN105402928B (en) * | 2014-09-10 | 2018-03-09 | 矢崎能源系统公司 | Absorption refrigeration system |
| CN105402929B (en) * | 2014-09-10 | 2018-05-29 | 矢崎能源系统公司 | Absorption refrigeration system |
| CN104279784A (en) * | 2014-10-20 | 2015-01-14 | 宁波工程学院 | Heat pump |
| CN104279784B (en) * | 2014-10-20 | 2016-07-06 | 宁波工程学院 | Heat pump |
| CN110612421A (en) * | 2017-02-27 | 2019-12-24 | 博塔驻车株式会社 | Heat exchange device |
| CN110612421B (en) * | 2017-02-27 | 2021-07-09 | 博塔驻车株式会社 | Heat exchange device |
| CN113531943A (en) * | 2017-02-27 | 2021-10-22 | 博塔驻车株式会社 | Heat exchange device |
| CN113531943B (en) * | 2017-02-27 | 2022-09-23 | 博塔驻车株式会社 | Heat exchange device |
| CN108489143A (en) * | 2018-05-09 | 2018-09-04 | 安徽沃特普尔节能科技有限公司 | A kind of novel energy-conserving system in library of being freezed using industrial exhaust heat |
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| CN101571331B (en) | 2011-04-13 |
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Application publication date: 20091104 Assignee: Shaanxi Dongtai Energy Technology Co., Ltd. Assignor: Shaanxi Science and Engineering College Contract record no.: 2012610000148 Denomination of invention: Solar phase-change heat storage absorption refrigeration fresh-keeping system Granted publication date: 20110413 License type: Exclusive License Record date: 20120920 |
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