CN201666689U - Solar energy driven water and vapor injecting refrigeration system - Google Patents
Solar energy driven water and vapor injecting refrigeration system Download PDFInfo
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- CN201666689U CN201666689U CN2010201695880U CN201020169588U CN201666689U CN 201666689 U CN201666689 U CN 201666689U CN 2010201695880 U CN2010201695880 U CN 2010201695880U CN 201020169588 U CN201020169588 U CN 201020169588U CN 201666689 U CN201666689 U CN 201666689U
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- water
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- stop valve
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- evaporimeter
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 176
- 238000005057 refrigeration Methods 0.000 title claims abstract description 40
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 238000007710 freezing Methods 0.000 claims description 25
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000011049 filling Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 12
- 239000000498 cooling water Substances 0.000 abstract 2
- 239000002826 coolant Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 210000004243 Sweat Anatomy 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000008400 supply water Substances 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- 241000283074 Equus asinus Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005039 chemical industry Methods 0.000 description 2
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 load Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001172 regenerating Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000576 supplementary Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Abstract
The utility model discloses a solar energy driven water and vapor injecting refrigeration system, aiming to provide an energy-saving, environmental friendly and highly effective cooling system. The utility model is characterized in that the vapor outlet of a solar heat collector is connected to the inlet of a jet nozzle via a sixth stop valve, the hot water outlet of the solar heat collector is connected to the hot water inlet of an auxiliary steam boiler via a fourth stop valve, the vapor outlet of the auxiliary steam boiler is connected to the inlet of the jet nozzle via a seventh stop valve, the outlet of a diffuser is connected to the inlet of a condenser, the outlet of the condenser is connected to a water cooling pump and a throttle valve, one branch of the water cooling pump is connected to the water inlet of the auxiliary steam boiler via a fifth stop valve, the other branch of the water cooling pump is connected to the cooling water inlet of the solar heat collector via a third stop valve, the outlet of the throttle valve is connected to cooling water inlet of the evaporator, and the vapor outlet of the evaporator is connected to the low pressure vapor inlet of a mixing chamber. With water being the cooling medium, the refrigeration system, driven by solar energy, is easy in operation, and high in safety and reliability.
Description
Technical field
The utility model relates to refrigeration technology field, in particular, relates to a kind of refrigeration system of utilizing the water vapour injection of Driven by Solar Energy.
Background technology
The development of modern science and technology is when bringing huge interests for the mankind; environment and natural resources have also greatly been destroyed; the energy and environment are the bases that modern society depends on for existence and development; problem of environmental pollution; energy shortage problem and food-safety problem more and more cause the people of other countries' concern; preserve the ecological environment; save natural resources; develop with natural harmony; refrigeration industry is faced a severe challenge; adopt new refrigeration plant and technical matters, for the efficient that improves refrigerating plant; energy savings; the protection environment; the sustainable development that realizes industry has great importance.
At present, vapor compression refrigeration system adopts compressor as power, use chloro-fluoro-carbon kind synthetic material matter as refrigeration working medium, compressor needs consumed power in running, and electric energy need consume a large amount of coal resources, and consumption of coal resources has not only increased the weight of the pressure of energy wretched insufficiency, and, because coal is difficult to efficiently, cleanly utilization, existent environment of people is brought serious pollution in the use.The depletion of the ozone layer that the manually synthetic refrigeration working medium of chloro-fluoro-carbon kind causes and the greenhouse effects of generation, become increasingly serious global environment problem, therefore, develop clean regenerative resource, seek problem efficient, that the environmental protection refrigeration working medium has become the common concern of current international community.
The utility model content
The utility model is in order to overcome weak point of the prior art, a kind of water vapour injection refrigerating system that utilizes Driven by Solar Energy to be provided, with reach energy savings, convenient control, safe and reliable, refrigerating efficiency is high, the purpose of energy-conserving and environment-protective.
The utility model is achieved through the following technical solutions:
A kind of water vapour injection refrigerating system that utilizes Driven by Solar Energy, it is characterized in that, comprise the circulation of kind of refrigeration cycle and chilled water, described kind of refrigeration cycle is made up of solar thermal collector, auxiliary steam boiler, refrigeration water pump, injector, condenser, choke valve, evaporimeter, described chilled water circulation is made up of chilled water pump and freezing water tank, described injector comprises mixing chamber and the diffuser that interconnects, and in the described mixing chamber nozzle is installed; The steam outlet of described solar thermal collector is connected with the import of nozzle in the described injector by the 6th stop valve, the hot water outlet of described solar thermal collector is connected with the hot water inlet of auxiliary steam boiler by the 4th stop valve, the steam outlet of described auxiliary steam boiler is connected with the import of described nozzle by the 7th stop valve, the outlet of described diffuser is connected with the import of condenser, the outlet of described condenser is connected with the import of refrigeration water pump and the import of described choke valve respectively, the 5th stop valve of leading up to of described refrigeration water pump is connected with the water inlet of described auxiliary steam boiler, another road of described refrigeration water pump is connected with the chilled water import of described solar thermal collector by the 3rd stop valve, the outlet of described choke valve is connected with the chilled water import of described evaporimeter, the steam (vapor) outlet of described evaporimeter is connected with the low-pressure steam import of described mixing chamber, the chilled water outlet of described evaporimeter is connected with the chilled water import of described freezing water tank, the chilled water import of described evaporimeter is connected with the chilled water outlet of described freezing water tank, and the water supplement port of described freezing water tank is connected with filling pipe by second stop valve.
The water supply outlet of described freezing water tank is connected with the adapter of supplying water by first stop valve.
Described solar thermal collector adopts focus type efficient heat-collecting device, the steam outlet of described solar thermal collector and hot water outlet are respectively arranged with temperature sensor and pressure sensor, described temperature sensor is connected with computer respectively with pressure sensor, shows the hot water temperature and the pressure of the vapor (steam) temperature of steam outlet and pressure, hot water outlet on computers.
Described auxiliary steam boiler is provided with temperature sensor, pressure sensor and water level and shows sensor, described temperature sensor, pressure sensor and level sensor are connected with computer respectively, show vapor (steam) temperature, steam pressure and the water level of donkey boiler on computers.
Be connected with water temperature display, water level display on the described freezing water tank, described freezing water tank arranged outside has insulating.
The utlity model has following technique effect:
1, refrigeration system of the present utility model is to be used as power with solar energy, uses boiler as supplementary energy simultaneously, and water is refrigeration working medium, the high-temperature high-pressure steam that forms, the low pressure water vapor that forms in the suction evaporimeter absorbs the not latent heat of vaporize water, and the water temperature in the evaporimeter is reduced, produce chilled water, the refrigerating efficiency height, system does not directly consume mechanical energy, makes solar thermal collector become the thermal source of steam-jet refrigerating system, save a large amount of energy, helped environmental protection.And device structure is simple, no-rotary part, not wearing and tearing, without lubricating oil, equipment is safe and reliable to operation, long service life is once invested lowly, and operating cost is low, easy and simple to handle, maintenance load is little, and administrative staff and administrative expenses are all fewer, equipment can be installed in user's roof and save the area, capital expenditure is few, produces the wider range (+0 ℃～+ 20 ℃) of chilled water, and cooling gas is comfortable naturally.
2, refrigeration system water of the present utility model does not pollute as refrigeration working medium, meets national environmental standard.When technology cooling low-temperature receiver is provided, also can be places such as office, meeting, auditorium, control room cold source of air conditioning is provided; Be applied to the required cold water of industry production technology such as metallurgy, coking, petrochemical industry, chemical fibre, pharmacy electronics, light industry; The petrochemical industry refinery fuel gas condensate recovery liquid attitude hydrocarbon of releasing flare; Central air-conditioning such as enterprise, hotel, commercial building, conference and exhibition center; The condensing crystallizing of industries such as chemical industry, medicine, food and drying etc. are real efficient, energy-saving and environmental protection, economy, long-life, non-maintaining, the optimal renewal product of chilled water equipment.
Description of drawings
Fig. 1 utilizes the schematic diagram of the water vapour injection refrigerating system of Driven by Solar Energy for the utility model;
Fig. 2 is the schematic diagram of injector;
Fig. 3 is the schematic diagram of evaporimeter;
Fig. 4 is the schematic diagram of freezing water tank.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
The schematic diagram of the utility model solar energy water steam jet refrigerating system such as Fig. 1-shown in Figure 4, comprise the circulation of kind of refrigeration cycle and chilled water, described kind of refrigeration cycle is made up of solar thermal collector 12, auxiliary steam boiler 1, refrigeration water pump 2, injector 3, condenser 4, choke valve 5, evaporimeter 6, and described chilled water circulation is made up of chilled water pump 7 and freezing water tank 8.Described injector comprises mixing chamber 19 and the diffuser 18 that interconnects, and in the described mixing chamber 19 nozzle 17 is installed.The steam outlet of described solar thermal collector 12 is connected with the import 20 of nozzle 17 in the injector 3 by the 6th stop valve 15, the hot water outlet of described solar thermal collector is connected with the hot water inlet of auxiliary steam boiler 1 by the 4th stop valve 13, the steam outlet of auxiliary steam boiler 1 is connected with the import 20 of described nozzle by the 7th stop valve 16, the outlet 21 of described diffuser 18 is connected with the import of condenser 4, the outlet of described condenser 4 is connected with the import of refrigeration water pump 2 and the import of described choke valve 5 respectively, the 5th stop valve 14 of leading up to of described refrigeration water pump 2 is connected with the water inlet of described auxiliary steam boiler 1, and another road of described refrigeration water pump 2 is connected with the chilled water import of described solar thermal collector 12 by the 3rd stop valve 11.The outlet of described choke valve 5 is connected with the chilled water import 25 of described evaporimeter 6, the steam (vapor) outlet 24 of described evaporimeter is connected with the low-pressure steam import of described mixing chamber 19, the chilled water outlet 23 of described evaporimeter is connected with the chilled water import 28 of described freezing water tank 8, the chilled water import 26 of described evaporimeter is connected with the chilled water outlet 29 of described freezing water tank, and the water supplement port 27 of described freezing water tank is connected with filling pipe by second stop valve 10.
In order to realize the supply of water at low temperature, the water supply outlet 30 of described freezing water tank is connected with the adapter of supplying water by first stop valve 9.
Solar thermal collector in the present embodiment adopts focus type efficient heat-collecting device, control for convenience, the steam outlet of described solar thermal collector and hot water outlet are respectively arranged with temperature sensor and pressure sensor, described temperature sensor is connected with computer respectively with pressure sensor, shows the hot water temperature and the pressure of the vapor (steam) temperature of steam outlet and pressure, hot water outlet on computers.Described auxiliary steam boiler is provided with temperature sensor, pressure sensor and water level and shows sensor, described temperature sensor, pressure sensor and level sensor are connected with computer respectively, show vapor (steam) temperature, steam pressure and the water level of donkey boiler on computers.
In order to prevent the chilled water and extraneous heat exchange in the freezing water tank 8, be coated with insulating in the outside of freezing water tank 8.
Refrigeration system of the present utility model has three kinds of operational modes:
As sunny, sunny, the weather that outdoor temperature is higher, the steam outlet temperature of solar thermal collector 12, when pressure can meet the demands, then open the 6th stop valve 15, the 3rd stop valve 11, close the 4th stop valve 13, the 5th stop valve 14 and the 7th stop valve 16, the high temperature and high pressure steam that forms after the chilled water absorption solar heat is by nozzle 17 expansions of injector 3 and with flow at high speed, cause very low pressure in the exit of nozzle 17, because of rate of outflow height, pressure is low, attract the low pressure water vapor of generation in the evaporimeter 6, enter the mixing chamber 19 of injector 3.Owing to absorb the latent heat in the water of not vaporizing in the evaporimeter during water vapor in the evaporimeter 6, thereby the coolant-temperature gage of not vaporization is reduced, this part water at low temperature is carried out exchange heat with chilled water in evaporimeter, emit the chilled water that temperature reduces behind the heat and enter in the freezing water tank, just can enter to supply water and take over the low-temperature receiver that is used for air conditioning or other production process by the outlet of supplying water by chilled water outlet.The water vapour of nozzle ejection enters diffuser 18 with the water vapour that attracts to come from evaporimeter in the mixing chamber 19, flow velocity reduction, pressure raise the back to condenser 4 in diffuser 18, by external refrigeration medium cooling becoming aqueous water, aqueous water is drawn by condenser 4 again, divide two-way: the one tunnel through sending evaporimeter 6 back to after choke valve 5 step-downs, continues sweat cooling; The 3rd stop valve 11 is passed through after improving pressure with refrigeration water pump 2 in another road, enters solar thermal collector 12, absorbs heat to high temperature high steam state, so goes round and begins again, and solar thermal collector 12 becomes the thermal source of water vapour spray type refrigerating system.
As the weather at wet weather, outdoor temperature is not high, and the water outlet temperature of solar thermal collector 12, pressure can not meet the demands fully, then opens the 3rd stop valve 11, the 4th stop valve 13 and the 7th stop valve 16, closes the 5th stop valve 14, the 6th stop valve 15.Chilled water absorbs the rising of heat temperature in solar thermal collector 12 after, entering auxiliary steam boiler 1 by the 4th stop valve 13 is further heated, the high temperature and high pressure steam that forms is by nozzle 17 expansions of the 7th stop valve 16 inflow injectors 3 and with flow at high speed, cause very low pressure in the exit of nozzle 17, because of rate of outflow height, pressure is low, attract the low pressure water vapor of generation in the evaporimeter 6, enter the mixing chamber 19 of injector 3, owing to absorb the latent heat in the water of not vaporizing in the evaporimeter during water vapor in the evaporimeter 6, thereby the coolant-temperature gage of not vaporization is reduced, this part water at low temperature is carried out exchange heat with chilled water in evaporimeter, emit the chilled water that temperature reduces behind the heat and enter in the freezing water tank, just can enter to supply water and take over the low-temperature receiver that is used for air conditioning or other production process by the outlet of supplying water by chilled water outlet.The water vapour of nozzle ejection enters diffuser 18 with the water vapour that attracts to come from evaporimeter in the mixing chamber 19, flow velocity reduction, pressure raise the back to condenser 4 in diffuser 18, by external refrigeration medium cooling becoming aqueous water, aqueous water is drawn by condenser 4 again, divide two-way: the one tunnel through sending evaporimeter 6 back to after choke valve 5 step-downs, continues sweat cooling; Another road enters solar thermal collector 12 by the 3rd stop valve 11 after improving pressure with refrigeration water pump 2, enter auxiliary steam boiler 1 through the 4th stop valve 13 behind the absorption heat and be heated to the high temperature and high pressure steam state, so go round and begin again, solar thermal collector 12 becomes the main thermal source of water vapour spray type refrigerating system, and auxiliary steam boiler 1 is an auxiliary thermal source.
As at sombre weather, steam outlet temperature, the pressure of solar thermal collector 12 can not meet the demands fully, for guaranteeing low-temperature receiver, then open the 5th stop valve 14 and the 7th stop valve 16, close the 3rd stop valve 11, the 4th stop valve 13 and the 6th stop valve 15.Chilled water absorbs the rising of heat temperature in auxiliary steam boiler 1 after, the high temperature and high pressure steam that forms is by nozzle 17 expansions of the 7th stop valve 16 inflow injectors 3 and with flow at high speed, cause very low pressure in the exit of nozzle 17, because of rate of outflow height, pressure is low, attract the low pressure water vapor of generation in the evaporimeter 6, enter the mixing chamber 19 of injector 3, owing to absorb the latent heat in the water of not vaporizing in the evaporimeter during water vapor in the evaporimeter 6, thereby the coolant-temperature gage of not vaporization is reduced, this part water at low temperature is carried out exchange heat with chilled water in evaporimeter, emit the chilled water that temperature reduces behind the heat and enter in the freezing water tank, just can enter to supply water and take over the low-temperature receiver that is used for air conditioning or other production process by the outlet of supplying water by chilled water outlet.The water vapour of nozzle ejection enters diffuser 18 with the water vapour that attracts to come from evaporimeter in the mixing chamber 19, flow velocity reduction, pressure raise the back to condenser 4 in diffuser 18, by external refrigeration medium cooling becoming aqueous water, aqueous water is drawn by condenser 4 again, divide two-way: the one tunnel through sending evaporimeter 6 back to after choke valve 5 step-downs, continues sweat cooling; The 5th stop valve 14 is passed through after improving pressure with refrigeration water pump 2 in another road, enters auxiliary steam boiler 1 and is heated to the high temperature and high pressure steam state, so goes round and begins again, and auxiliary steam boiler 1 becomes the main thermal source of water vapour spray type refrigerating system.
Utilize solar energy water steam jet refrigerating system of the present utility model to can be used as the low-temperature receiver that commerce, industry, medical treatment and chemical industry etc. provide the technology cooling.
Claims (5)
1. water vapour injection refrigerating system that utilizes Driven by Solar Energy, it is characterized in that, comprise the circulation of kind of refrigeration cycle and chilled water, described kind of refrigeration cycle is made up of solar thermal collector, auxiliary steam boiler, refrigeration water pump, injector, condenser, choke valve, evaporimeter, described chilled water circulation is made up of chilled water pump and freezing water tank, described injector comprises mixing chamber and the diffuser that interconnects, and in the described mixing chamber nozzle is installed; The steam outlet of described solar thermal collector is connected with the import of nozzle in the described injector by the 6th stop valve, the hot water outlet of described solar thermal collector is connected with the hot water inlet of auxiliary steam boiler by the 4th stop valve, the steam outlet of described auxiliary steam boiler is connected with the import of described nozzle by the 7th stop valve, the outlet of described diffuser is connected with the import of condenser, the outlet of described condenser is connected with the import of refrigeration water pump and the import of described choke valve respectively, the 5th stop valve of leading up to of described refrigeration water pump is connected with the water inlet of described auxiliary steam boiler, another road of described refrigeration water pump is connected with the chilled water import of described solar thermal collector by the 3rd stop valve, the outlet of described choke valve is connected with the chilled water import of described evaporimeter, the steam (vapor) outlet of described evaporimeter is connected with the low-pressure steam import of described mixing chamber, the chilled water outlet of described evaporimeter is connected with the chilled water import of described freezing water tank, the chilled water import of described evaporimeter is connected with the chilled water outlet of described freezing water tank, and the water supplement port of described freezing water tank is connected with filling pipe by second stop valve.
2. the water vapour injection refrigerating system that utilizes Driven by Solar Energy according to claim 1 is characterized in that, the water supply outlet of described freezing water tank is connected with the adapter of supplying water by first stop valve.
3. the water vapour injection refrigerating system that utilizes Driven by Solar Energy according to claim 1, it is characterized in that, described solar thermal collector adopts focus type efficient heat-collecting device, the steam outlet of described solar thermal collector and hot water outlet are respectively arranged with temperature sensor and pressure sensor, and described temperature sensor is connected with computer respectively with pressure sensor.
4. the water vapour injection refrigerating system that utilizes Driven by Solar Energy according to claim 1, it is characterized in that, described auxiliary steam boiler is provided with temperature sensor, pressure sensor and water level and shows sensor, and described temperature sensor, pressure sensor and level sensor are connected with computer respectively.
5. the water vapour injection refrigerating system that utilizes Driven by Solar Energy according to claim 1 is characterized in that, is connected with water temperature display, water level display on the described freezing water tank, and described freezing water tank arranged outside has insulating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201695880U CN201666689U (en) | 2010-04-26 | 2010-04-26 | Solar energy driven water and vapor injecting refrigeration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201695880U CN201666689U (en) | 2010-04-26 | 2010-04-26 | Solar energy driven water and vapor injecting refrigeration system |
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| CN201666689U true CN201666689U (en) | 2010-12-08 |
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| CN2010201695880U Expired - Fee Related CN201666689U (en) | 2010-04-26 | 2010-04-26 | Solar energy driven water and vapor injecting refrigeration system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102219273A (en) * | 2011-04-25 | 2011-10-19 | 大连理工大学 | Solar and thermocompression vapor-compression distillation type water purifying device |
| CN102251911A (en) * | 2011-05-26 | 2011-11-23 | 西安交通大学 | Solar vacuumizing hydraulic electrogenerating system, and operation method thereof |
| CN102519168A (en) * | 2011-12-21 | 2012-06-27 | 天津商业大学 | Solar vegetable production distribution base combination system |
| CN102538295A (en) * | 2012-03-08 | 2012-07-04 | 北京建筑工程学院 | Solar driven cold and heat source supply system |
| CN102564081A (en) * | 2012-01-19 | 2012-07-11 | 天津商业大学 | Agricultural product drying system taking solar energy as auxiliary heat source |
| CN102563944A (en) * | 2012-01-19 | 2012-07-11 | 天津商业大学 | Ejector with automatic adjustment of ejecting flow and refrigerating system comprising same |
| CN104807252A (en) * | 2015-05-06 | 2015-07-29 | 西安交通大学 | Solar assisted ejector synergized steam compression type heat pump circulating system and method |
| CN113531946A (en) * | 2021-06-21 | 2021-10-22 | 嵊州市浙江工业大学创新研究院 | Dedusting tank cooling system for monocrystalline silicon production based on low-temperature jet refrigeration |
-
2010
- 2010-04-26 CN CN2010201695880U patent/CN201666689U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102219273A (en) * | 2011-04-25 | 2011-10-19 | 大连理工大学 | Solar and thermocompression vapor-compression distillation type water purifying device |
| CN102251911A (en) * | 2011-05-26 | 2011-11-23 | 西安交通大学 | Solar vacuumizing hydraulic electrogenerating system, and operation method thereof |
| CN102519168A (en) * | 2011-12-21 | 2012-06-27 | 天津商业大学 | Solar vegetable production distribution base combination system |
| CN102564081A (en) * | 2012-01-19 | 2012-07-11 | 天津商业大学 | Agricultural product drying system taking solar energy as auxiliary heat source |
| CN102563944A (en) * | 2012-01-19 | 2012-07-11 | 天津商业大学 | Ejector with automatic adjustment of ejecting flow and refrigerating system comprising same |
| CN102538295A (en) * | 2012-03-08 | 2012-07-04 | 北京建筑工程学院 | Solar driven cold and heat source supply system |
| CN104807252A (en) * | 2015-05-06 | 2015-07-29 | 西安交通大学 | Solar assisted ejector synergized steam compression type heat pump circulating system and method |
| CN113531946A (en) * | 2021-06-21 | 2021-10-22 | 嵊州市浙江工业大学创新研究院 | Dedusting tank cooling system for monocrystalline silicon production based on low-temperature jet refrigeration |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20130426 |