CN101251314B - Energy storage type solar injection refrigerating device - Google Patents

Energy storage type solar injection refrigerating device Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
valve
pipeline
cold
air
conditioning
Prior art date
Application number
CN2008100494970A
Other languages
Chinese (zh)
Other versions
CN101251314A (en
Inventor
范晓伟
郑慧凡
王凤坤
Original Assignee
中原工学院
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中原工学院 filed Critical 中原工学院
Priority to CN2008100494970A priority Critical patent/CN101251314B/en
Publication of CN101251314A publication Critical patent/CN101251314A/en
Application granted granted Critical
Publication of CN101251314B publication Critical patent/CN101251314B/en

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

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

Energy storage type solar injection refrigerating device

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.
CN2008100494970A 2008-04-07 2008-04-07 Energy storage type solar injection refrigerating device CN101251314B (en)

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

Family

ID=39954833

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008100494970A CN101251314B (en) 2008-04-07 2008-04-07 Energy storage type solar injection refrigerating device

Country Status (1)

Country Link
CN (1) CN101251314B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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 (6)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CN101251314A (en) 2008-08-27

Similar Documents

Publication Publication Date Title
CN103574987B (en) Cold and hot many function, energy-savings system
CN100460775C (en) Air source heat pump water heater with flow guide sleeve heat exchanger water storage tank
CN204043049U (en) A kind of heat accumulating type solar energy earth source heat pump coupled system
CN104132477B (en) Preheating type solar energy jetting-compression combined refrigeration system
CN104075484B (en) A kind of heating air-conditioner system and operation method fully utilizing solar energy and air energy
CN101403521B (en) Solar energy absorption type refrigeration and ground source heat pump coupling combined supplying system
KR100530259B1 (en) Regenerative geothermal heat pump unit
EP2003402B1 (en) A supercooled ice cold-storage unit, an air conditioning system using the same and a control method thereof
CN101571330B (en) Multifunctional frost-free solar-assisted heat pump system
CN201037718Y (en) Three-operating mode ground source heat pump set system
US20090301118A1 (en) Solar-Powered Air Conditioning System Using a Mixture of Glycerin and Water to Store Energy
CN101457964B (en) Cold storage air conditioner system with test function
CN203349573U (en) Combined heat pump and solar hot water heating and ventilating system
CN101464058B (en) Large energy accumulation type air source heat pump hot water units
CN201731710U (en) Time-sharing electricity saving device of ice house, freezer and refrigerator
CN102645055B (en) Adaptively-matched solar auxiliary air source heat pump device
CN202382474U (en) Solar-energy-and-geothermy-integrated storage, heating and refrigerating system
CN100356113C (en) Dynamic ice-storage energy saving unit
CN2705759Y (en) Mixed cold type multiple temperature zone refrigerator
CN103912948A (en) Conventional air-conditioning operating condition distributed phase change energy storage air conditioning system
CN101629748A (en) Central air-conditioning system of ice slurry cold storage
CN202747502U (en) Cooling water system based on cold storage of phase change material
CN101825373A (en) Solar hot-water, air-conditioning and construction integrated system
CN201177332Y (en) Double cold source heat pump centralized type air conditioner device possessing heat recovery and ice cold-storage function
CN102155772A (en) Cascaded ice-storage air conditioning system and method utilizing same to supply cold air for air conditioner

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100811

Termination date: 20110407

C17 Cessation of patent right