CN101251314B - Energy storage type solar injection refrigerating device - Google Patents
Energy storage type solar injection refrigerating device Download PDFInfo
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- CN101251314B CN101251314B CN2008100494970A CN200810049497A CN101251314B CN 101251314 B CN101251314 B CN 101251314B CN 2008100494970 A CN2008100494970 A CN 2008100494970A CN 200810049497 A CN200810049497 A CN 200810049497A CN 101251314 B CN101251314 B CN 101251314B
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- valve
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- conditioning
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The invention relates to an energy storage solar ejection refrigeration device by adopting the solar energy to refrigerate, comprising a solar thermal collector, a water pump and a generator which form a circulation loop together with the solar thermal collector, a refrigerating medium circulation loop which exchanges the heat with the generator and consists of an ejector, a condenser and the refrigerating medium which are connected in series, a refrigerating medium circulatory refrigeration loop consisting of a throttling valve, an evaporator, the ejector and the condenser and an air conditioning circulatory refrigeration loop consisting of an air conditioning water pump and the evaporator, wherein, in the air conditioning circulatory refrigeration loop, a cold water loop is provided with a three way valve F6 and a valve F1, a cold water supply pipeline is provided with a valve F2 and a three way valve F4, an ice storage tank is arranged on a pipeline between the three way valve F6 and the three way valve F4, a pipeline between the valve F2 and the three way valve F4 is communicated with the ice storage tank by the valve F3, a pipeline between the ice storage tank and the three way valve F4 is also provided with a valve F5. The solar energy utilization ratio is increased by more than 30 percent, the cooling capacity is increased by more than 20 percent, 'the peak shifting andvalley filling' of the solar energy is realized and the electric fence load is lightened.
Description
Technical field
The present invention relates to a kind of energy storage type solar injection refrigerating device that utilizes solar energy to carry out cooling, be applicable to the air conditioner refrigerating field.
Background technology
Along with the aggravation of energy crisis, the utilization of solar energy is subject to people's attention day by day.In solar utilization technique, the solar energy jetting refrigeration system is simple in structure with it, and moving component is few, and low cost and other advantages is subjected to everybody favor, uses more and more widely in the air conditioner refrigerating field.The operational effect of tradition solar energy jetting refrigeration system is restricted by two factors mainly: the one, and the changing condition of solar radiation intensity, another factor is the variation characteristic of user side air conditioner refrigerating load.Both by the time change and not fit like a glove, traditional injection refrigerating system is difficult to realize both equilibrium of supply and demand, that is: when solar radiation is very sufficient, as long as the cold that injection refrigerating system provided must cause solar energy utilization ratio on the low side greater than the required load of air conditioner user; In addition, when night or solar radiation deficiency, there is the problem that can not satisfy the air conditioner load needs again in the cold that the solar energy jetting refrigeration system provides.Therefore, consider difference between the two, invent a kind of energy storage type solar injection refrigerating device, can effectively regulate the difference between solar radiation and air conditioner load, realize " peak load shifting " of solar energy---redundance with solar radiation quantity when big is transferred to when solar radiation quantity can not satisfy air conditioner load and requires and uses, realize efficient and rational cooling purpose, thereby raising solar energy utilization rate, for energy savings, the peak of power consumption pressure that alleviation is caused by the conventional voltage compressing refrigeration system, improve solar thermal utilization efficient, important society and economic benefit are arranged.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and provide a kind of, solve the refrigerating capacity that conventional solar energy jetting refrigeration system is difficult to realize and the energy storage type solar injection refrigerating device of the equilibrium of supply and demand problem between air conditioner load by setting up cold-accumulating box.
The technical solution adopted in the present invention is: comprise solar thermal collector, be connected into the water pump and the generator of closed circuit by pipeline and solar thermal collector, with generator carry out heat exchange by injector, condenser, the refrigerant circulation loop that refrigerated medium pump is connected into by pipeline, pass through choke valve, evaporimeter and pipeline again with injector, the cold-producing medium circularly cooling loop that condenser is formed, pass through pipeline, the air-conditioning circularly cooling loop that air-conditioning water pump and evaporimeter are formed, it is characterized in that: by pipeline, in the air-conditioning circularly cooling loop that air-conditioning water pump and evaporimeter are formed, the chilled water circuit pipeline is provided with triple valve F successively
6, valve F
1Be provided with valve F with the cold water water supply line
2, triple valve F
4, at triple valve F
6With triple valve F
4Between the pipeline connected be provided with cold-accumulating box, at valve F
2With triple valve F
4Between pipeline on by pipeline and valve F
3Be connected with cold-accumulating box, at cold-accumulating box and triple valve F
4Between also be provided with valve F on the pipeline connected
5
There is the thermal stratification of nature in cold-accumulating box inside, last surface temperature height, following surface temperature is low, and there is mesolimnion in the centre, its version is the casing with cylindrical or cuboid of said temperature layering, and its inner cool storage material is that water or other have the phase-change material of cool storage function.
Described valve is manually or automatically to control.
Said system is made up of solar thermal collector, water pump, generator, injector, choke valve, evaporimeter, condenser, refrigerated medium pump, air-conditioning water pump, cold-accumulating box, pipe-line system and air conditioning terminal.In solar energy jetting chilled water system, set up cold-accumulating box, can store the unnecessary cold that refrigeration system is produced, and can when the refrigeration system cooling is not enough, discharge the cold that stores.
The present invention has following good effect:
1, the air-conditioning hot water or cold water is two for system.The hot water of temperature between 40-90 ℃ is provided when air conditioning water is provided, and hot water temperature's span is big, promptly can satisfy domestic hot-water supply, also can satisfy production technology heat supply and small area heat supply.System can also provide cryogenic freezing water separately, applicable to air-conditioning systems such as radiation cooling, fan coils;
2, cold air distribution system, at present, the cold air distribution system has initial cost province, operating cost is low, indoor air quality good, characteristics such as energy-saving benefit is remarkable, the cold air distribution system that combines with the cold-storage technology has become domestic and international air-conditioning system developing direction, and cold accumulation system is provided with the work that can guarantee that the cold air distribution system stability is continuous in the injection refrigerating system.
3, chilling air conditioning system after the solar energy jetting refrigeration system is set up cold-accumulating box, can be implemented in refrigeration on daytime in summer, cold-storage, cooling operation in evening.
The accumulating type injection cooling device can improve the utilization rate of spraying system, and solar energy utilization ratio can improve more than 30%, and the cooling amount of spraying system can improve more than 20%; In addition, this system can also realize " peak load shifting " of solar energy, improves solar energy utilization ratio, alleviates the electrical network pressure that air conditioning electricity causes, and has remarkable social benefit and economic benefit.
Description of drawings
Fig. 1 is a structural representation of the present invention.
1-solar thermal collector 2-water pump 3-generator 4-injector 5-condenser 6-refrigerated medium pump 7-choke valve 8-evaporimeter 9-air-conditioning water pump 10-cold-accumulating box (F
1, F
2, F
3, F
4, F
5, F
6)-valve, wherein heavy line is represented refrigerant line, all the other mainly are water-system pipelines.
The specific embodiment
As shown in Figure 1, the present invention includes solar thermal collector 1, be connected into the water pump 2 and the generator 3 of closed circuit by pipeline and solar thermal collector 1, with generator 3 carry out heat exchange by injector 4, condenser 5, the refrigerant circulation loop that refrigerated medium pump 6 is connected into by pipeline, by choke valve 7, evaporimeter 8 and pipeline again with injector 4, the cold-producing medium circularly cooling loop that condenser 5 is formed, pass through pipeline, the air-conditioning circularly cooling loop that air-conditioning water pump 9 and evaporimeter 8 are formed, it is characterized in that: by pipeline, in the air-conditioning circularly cooling loop that air-conditioning water pump 9 and evaporimeter 8 are formed, the chilled water circuit pipeline is provided with triple valve F successively
6, valve F
1Be provided with valve F with the cold water water supply line
2, triple valve F
4, at triple valve F
6With triple valve F
4Between the pipeline connected be provided with cold-accumulating box 10, at valve F
2With triple valve F
4Between pipeline on again by pipeline and valve F
3Be connected with cold-accumulating box 10, at cold-accumulating box 10 and triple valve F
4Between also be provided with valve F on the pipeline connected
5
There is the thermal stratification of nature in cold-accumulating box 10 inside, last surface temperature height, following surface temperature is low, and there is mesolimnion in the centre, its version is the casing with cylindrical or cuboid of said temperature layering, and its inner cool storage material is that water or other have the phase-change material of cool storage function.Described valve F
1-F
6Be manually or automatically to control.
The system refrigerant flow process is: under the driving of refrigerated medium pump 6, cold-producing medium flow through successively generator 3, injector 4 and condenser 5, the cold-producing medium that comes out from condenser 5 is divided into two-way, one the tunnel returns the refrigerant vapour of generator 3 heat absorption becoming HTHP through refrigerated medium pump, another road is through choke valve 7, evaporimeter 8, by from the high-temperature high-pressure refrigerant injection of generator 3 to injector 4, finish process of refrigerastion.
In summer, by the switching and the keying of valve, the flow process of control water system makes that refrigerating plant can freeze separately, cold-storage, releases processes such as cold; Can also freeze simultaneously, process of cool and refrigeration, release cold process.On daytime, when solar radiation was sufficient, spraying system directly was user's cooling; When solar radiation is rich, unnecessary cold is stored by cold-accumulating box; Releasing cold process when evening or solar radiation are not enough starts.
The flow process of water system can be divided into following several:
Current journey when 1, process of refrigerastion carries out is: the air-conditioning backwater is through valve F
6, F
1Inflow evaporator 8 cools off, then through valve F
2, F
4, by air-conditioning water pump 9 air conditioner water is sent into air-conditioning system again, finish cooling to air-conditioning system.When this process is carried out, valve F
1, F
2, F
4, F
6Open valve F
3, F
5Close.
Current journey when 2, process of cool is carried out is: pass through valve F from the water at low temperature that evaporimeter 8 comes out under the effect of water pump 9
2, F
4, F
5Enter cold-accumulating box 10, the higher relatively water of the temperature on cold-accumulating box upper strata is through valve F
1, F
6Inflow evaporator 8 is finished a process of cool.When this process is carried out, valve F
1, F
2, F
4, F
5, F
6Open valve F
3Close.
3, the current journey of releasing cold process is: air-conditioning supplies water through cold-accumulating box 10, and under the effect of air-conditioning water pump 9, F flows through
3, F
4, F
6Deliver to air conditioner user and put coldly, then, the air-conditioning backwater flows into cold-accumulating box 10.When this process is carried out, valve F
3, F
4, F
6Open valve F
1, F
2, F
5Close.
Current journey when 4, refrigeration, cold-storage carry out simultaneously is: the air-conditioning backwater is through valve F
1, F
6Inflow evaporator 8 cools off, and valve F flows through under the effect of air-conditioning water pump 9
2After, chilled water is divided into two-way, and one the tunnel through valve F
4, F
5After enter cold-accumulating box, air-conditioning system is sent on another road again, finishes the cooling to air-conditioning system.From the air-conditioning backwater of air-conditioning system and from the cold water of cold-accumulating box at valve F
6The place converges, through valve F
1In the inflow evaporator 8, finish refrigeration, process of cool simultaneously.When this process is carried out, valve F
1, F
2, F
4, F
5, F
6Open valve F
3Close.Triple valve F wherein
4With F
6Aperture decision store what of cold.
5, freezing, release the current journey that cold process carries out simultaneously is: the cryogenic freezing current that come out from evaporimeter are through valve F
2Store chilled water with low temperature and converge, under the effect of air-conditioning water pump 9, through valve F from cold-accumulating box
4After, be admitted to air conditioner user, behind the cooling, return valve F
6After be divided into two-way again, the one tunnel enters evaporimeter, freezes, another road flows into cold-accumulating box.When this process is carried out, valve F
1, F
2, F
3, F
4, F
6Open valve F
5Close.
This cool-storage type injection cooling device can also provide the hot water supply, can pass through regulating pondage, control such as water flow velocity water temperature.
Claims (3)
1. energy storage type solar injection refrigerating device, comprise solar thermal collector (1), be connected into the water pump (2) and the generator (3) of closed circuit by pipeline and solar thermal collector (1), with generator (3) carry out heat exchange by injector (4), condenser (5), the refrigerant circulation loop that refrigerated medium pump (6) is connected into by pipeline, by choke valve (7), evaporimeter (8) and pipeline again with described injector (4), the cold-producing medium circularly cooling loop that described condenser (5) is formed, pass through pipeline, the air-conditioning circularly cooling loop that air-conditioning water pump (9) and described evaporimeter (8) are formed, it is characterized in that: by pipeline, in the air-conditioning circularly cooling loop that described air-conditioning water pump (9) and described evaporimeter (8) are formed, the chilled water circuit pipeline is provided with the first triple valve (F successively
6), the first valve (F
1) and the cold water water supply line be provided with the second valve (F
2), the second triple valve (F
4), at the first triple valve (F
6) and the second triple valve (F
4) between the pipeline connected be provided with cold-accumulating box (10), at the second valve (F
2) and the second triple valve (F
4) between pipeline on again by pipeline and the 3rd valve (F
3) be connected with cold-accumulating box (10), at the cold-accumulating box (10) and the second triple valve (F
4) between also be provided with the 4th valve (F on the pipeline connected
5).
2. energy storage type solar injection refrigerating device according to claim 1, it is characterized in that: there is the thermal stratification of nature in cold-accumulating box (10) inside, last surface temperature height, following surface temperature is low, there is mesolimnion in the centre, its version is the casing with cylindrical or cuboid of said temperature layering, and its inner cool storage material is that water or other have the phase-change material of cool storage function.
3. energy storage type solar injection refrigerating device according to claim 1 is characterized in that: described first triple valve, second triple valve, first valve, second valve, the 3rd valve, the 4th valve are manually or automatically to control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100494970A CN101251314B (en) | 2008-04-07 | 2008-04-07 | Energy storage type solar injection refrigerating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100494970A CN101251314B (en) | 2008-04-07 | 2008-04-07 | Energy storage type solar injection refrigerating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101251314A CN101251314A (en) | 2008-08-27 |
| CN101251314B true CN101251314B (en) | 2010-08-11 |
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ID=39954833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100494970A Expired - Fee Related CN101251314B (en) | 2008-04-07 | 2008-04-07 | Energy storage type solar injection refrigerating device |
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| Country | Link |
|---|---|
| CN (1) | CN101251314B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486890A (en) * | 2013-08-12 | 2014-01-01 | 上海卫星工程研究所 | Solar-powered heat-dissipating device |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839584B (en) * | 2010-04-27 | 2012-11-21 | 大连理工大学 | Active balance pressure jet refrigeration system |
| CN102393097A (en) * | 2011-11-19 | 2012-03-28 | 中能东讯新能源科技(大连)有限公司 | Commercial/civil solar jet central air conditioning system |
| CN103411342B (en) * | 2013-09-03 | 2017-02-15 | 西安前沿重型工业工程技术有限公司 | Solar high-efficient spraying and cooling system |
| CN103528262B (en) * | 2013-10-15 | 2016-05-25 | 上海交通大学 | A kind of non-energy dynamic formula organic matter working medium ejector refrigeration method |
| CN105222398A (en) * | 2015-10-11 | 2016-01-06 | 钟小强 | A kind of solar energy jetting cold-hot-water device |
| CN106765784A (en) * | 2017-01-18 | 2017-05-31 | 四川大学 | A kind of solar-energy jet-type air-conditioning system of efficient combination microcapsule phase-change energy storage |
| CN110375462B (en) * | 2019-08-19 | 2023-10-13 | 珠海格力电器股份有限公司 | Solar jet and heat pump composite system and corresponding control method |
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2008
- 2008-04-07 CN CN2008100494970A patent/CN101251314B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486890A (en) * | 2013-08-12 | 2014-01-01 | 上海卫星工程研究所 | Solar-powered heat-dissipating device |
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|---|---|
| CN101251314A (en) | 2008-08-27 |
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Granted publication date: 20100811 Termination date: 20110407 |