CN104110758B - Solar-driven efficient moisture-absorption thermal chemical reaction single-stage air conditioning system - Google Patents

Solar-driven efficient moisture-absorption thermal chemical reaction single-stage air conditioning system Download PDF

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CN104110758B
CN104110758B CN201410345561.5A CN201410345561A CN104110758B CN 104110758 B CN104110758 B CN 104110758B CN 201410345561 A CN201410345561 A CN 201410345561A CN 104110758 B CN104110758 B CN 104110758B
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CN104110758A (en
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陆紫生
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上海交通大学
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    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/20Adapting or protecting infrastructure or their operation in buildings, dwellings or related infrastructures
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/276Relating to heating, ventilation or air conditioning [HVAC] technologies of the sorption type
    • Y02A30/277Absorption based systems
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/60Other technologies for heating or cooling
    • Y02B30/62Absorption based systems
    • 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
    • Y02E60/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage
    • Y02E60/14Thermal storage
    • Y02E60/147Cold storage

Abstract

The invention provides a solar-driven efficient moisture-absorption thermal chemical reaction single-stage air conditioning system which comprises a solar thermal collector, a hot water tank, an absorption thermal chemical reaction air conditioning unit, a cooling tower and an air conditioning terminal. The solar thermal collector is connected with the hot water tank through a pipeline, the hot water tank is connected with the absorption thermal chemical reaction air conditioning unit through a pipeline, and the absorption thermal chemical reaction air conditioning unit is respectively connected with the cooling tower and the air conditioning terminal. According to the solar-driven efficient moisture-absorption thermal chemical reaction single-stage air conditioning system, the circulating moisture absorption amount is improved remarkably, and accordingly energy flow is improved. When the temperature of a heat source is 95 DEG C, the temperature of cooling water is 30 DEG C and the temperature of chilled water is 12 DEG C, and the cold storage density reaches 1.24 kWh/kg; continuous cooling, built-in energy storage and cooling in case of need are achieved, built-in energy storage and cooling are achieved without an external auxiliary energy storage device; in the energy storage process, working medium salt is isolated from a refrigerant and is almost free of loss; in the cold conveying process, the working medium salt is communicated with the refrigerant, the refrigerant undergoes moisture absorption through the cooled working medium salt, and the refrigeration effect is generated.

Description

Driven by Solar Energy efficient absorbent-thermal chemical reaction single-stage air-conditioning system

Technical field

The present invention relates to chlorate/expanded graphite-water single-stage air-conditioning system technical field, specifically a kind of Driven by Solar Energy Efficient absorbent-thermal chemical reaction single-stage air-conditioning system.

Background technology

The area that China's solar energy resources enriches area accounts for more than the 67% of area, and year, amount of radiation was more than 6,000,000,000 Jiao Ear/square metre, the solar energy that annual earth's surface absorbs is about as much as the energy of 1.7 trillion tons of standard coals, is Chinese energy in 2013 450 times of source total quantity consumed.

However, because solar energy has periodicity, discontinuity and fluctuation, which results in the unstable of Solar use, Meanwhile, also limited by conditions such as place, flow processs.

Energy storage technology is the effective ways alleviating this problem.Traditional energy storage technology has sensible heat energy storage (as water and stone) and dives Hot energy storage (as pcm phase-change material).Sensible heat energy storage technology relative maturity, but its energy storage density is relatively low, sensible heat energy-storage system simultaneously There is a problem of that temperature fluctuation is larger in exoergic process.Compared with sensible heat energy storage technology, hidden heat energy storage density is larger, and its work Matter temperature in phase transformation is almost unchanged, and therefore, when hidden heat energy storage technology has small volume, heat output, heat transport fluid temperature is uniform The advantages of.But latent heat storage material can produce the problems such as supercooling, layering, decay in phase transition process.With sensible heat energy storage and latent heat Energy storage is compared, and absorbs or the volume of heat of adsorption chemical energy storage is the 1/3 of sensible heat energy storage, the 1/2 of hidden heat energy storage.Meanwhile, conventional aobvious Heat or hidden heat energy storage mode are inevitably present certain thermal loss due to the temperature difference with environment.And absorbing/absorption In energy-storage system, as long as controlling reactant not contact, absorption/adsorption reaction would not occur, so the energy energy long period Storage, the heat waste very little being caused by the temperature difference.In the last few years, the energy storage technology with absorption/adsorption energy-storing as representative caused numerous The concern of person.Concentration difference potential energy using libr (lithium bromide) solution carries out energy storage, but libr-h2O energy-storage system has crystallization Problem, the solution pump of crystalline solid meeting block system, so the concentration range absorbing salt can be restricted.

The research of solar energy storage aspect, has had a lot of scientific research personnel to be studied.Through the document to prior art Retrieval finds, application for a patent for invention Publication No.: cn 103017397a, patent name is: high temperature solar steam-absorption Refrigeration-desalinization-energy storage coupled system.This patent describes a kind of high temperature solar steam-absorption refrigeration-desalinization- Energy storage coupled system, with conduction oil, water/steam as heat-transfer fluid, phase-change metal and water vapour are heat storage medium.Including solar energy Collecting system, the heat-transfer working medium circulatory system, absorbent refrigeration system and seawater desalination system, by paraboloid groove type condenser, phase transformation Metal energy storage canister, conduction oil-steam generator etc. form.This invention can obtain high temperature conduction oil and steam it is adaptable to big advise Mould desalinization and absorption refrigeration coupling.But the system very complex of this invention, needs extra phase-change metal energy storage device, that is, stores up Can and freeze as two covering devices;In addition, the efficiency comparison of energy storage is low, meanwhile, phase-change accumulation energy has the problems such as supercooling, layering, decay.

Application for a patent for invention Publication No.: cn 102705997a, patent name is: a kind of solar heat chemisorbed across Season high-efficiency energy-storage device and method.Should be the present invention relates to a kind of across the season high-efficiency energy-storage device of solar heat chemisorbed and side Method, during the storage of summer solar energy, solar thermal collector, heat cycles pump, heating switch valve, solid-gas chemical reactor change Hot plate is connected, and cooling tower, coolant circulation pump, cooling switch valve, reservoir heat exchange coil are connected, by solar energy to change Learn the efficient thermmal storage that solar energy is realized in absorption potential transformation of energy;Implement internal-response heat during the release heat supply of winter solar energy heat energy Step backheat technology, low-temp reaction device heat exchange coil, extraction cycle pump, backheat valve, high temperature reservoir heat exchange coil are connected, high Warm reactor heat exchange coil, heat circulation pump, heat supply valve, heat user are connected.Compared with prior art, the present invention has energy The remarkable advantage such as little, lifting energy storage grade of thermal loss during high and across the seasonal power storage of storage density.But the storage of this invention Technology can only make use of thermochemical reaction process, energy storage density is not very big.Meanwhile, this energy storage technology does not enable the work(that freezes Energy.

Application for a patent for invention Publication No.: cn 102721312a, patent name is: a kind of solar heat chemical mixing storage Can device and method.This invention provides a kind of solar heat chemical mixing energy storage device and method, its device include device body, Reaction system, hold over system and input-output system, pass through device body heated reaction system and storage under optically focused solar radiation Hot systems, reaction system absorbs solar energy under catalyst action and carries out chemical energy storage, and hold over system absorbs solar radiation to be carried out Sensible heat or phase-change thermal storage, hold over system can maintain the efficient stable of chemical reaction to carry out and continue thermalization in no solar radiation Learn energy storage.But the energy storage technology of this invention only make use of thermochemical reaction process, thus energy storage density can be affected.In addition, this storage Technology can not enable refrigerating function.

Application for a patent for invention Publication No.: cn 103499230a, patent name is: a kind of solar heat chemical energy storage is inhaled Hot device and its endothermal processes.This disclosure of the invention a kind of solar heat chemical energy storage heat dump and its endothermal processes, this heat dump It is placed in cavity using heat-sink shell and conversion zone as energy storage absorber, opening is sealed by quartz window, and outside is coated with insulation Layer.Solar energy is stored using thermochemical process, product can normal temperature storage for a long time, realize solar energy efficient stable absorb and Storage;Compact conformation is simple, and reacting fluid is convenient with product to be transported, and can meet wanting of large-scale solar energy high temperature heat utilization Ask.But the energy storage technology structure of this invention is more complicated, manufacturing process is required higher, meanwhile, this energy storage technology does not enable to make Cold function.

Utility application Publication No.: cn 203161356u, patent name is: a kind of solar energy optical-thermal energy storage System, this patent is related to a kind of solar energy optical-thermal energy-storage system, and it is to be provided with air inlet pipe, the bottom of heater at the top of heater End is connected to air hose, and equipped with solar radiation plate, the other end of air hose is connected to decompressor, decompressor in the left side of heater The rotary shaft of upper connection is connected with compressor, and the outlet of compressor is equipped with compressed air hose, the other end of this pipe and air accumulator It is connected.But the energy-accumulating medium of this patent is air, its energy storage density is very low.Meanwhile, energy storing devices need good sealing, are System pressure-bearing, has certain hidden danger to safety.

Content of the invention

The present invention is directed to deficiencies of the prior art, provides a kind of Driven by Solar Energy efficient absorbent-heat chemistry anti- Answer single-stage air-conditioning system, the endless form of this air-conditioning system includes the absorption process of hygroscopic salt, crystallization process and heat chemistry Course of reaction, circulatory moisture absorption amount significantly improves, thus improving energy stream, can achieve continuous cooling it is also possible to realize built-in storage Can, cooling when needing;This air-conditioning system does not need external auxiliary energy storage device to enable built-in energy storage and cooling, meanwhile, In thermal energy storage process, working medium salt and cold-producing medium are isolated, almost free of losses;Defeated cold during, working medium salt is connected with cold-producing medium Logical, the working medium salt moisture absorption that cold-producing medium is cooled, produce refrigeration.

The present invention is achieved by the following technical solutions.

A kind of Driven by Solar Energy efficient absorbent-thermal chemical reaction single-stage air-conditioning system, comprising: solar thermal collector, hot water Case, absorption-heat chemistry air-conditioner set, cooling tower and air conditioning terminal, described solar thermal collector passes through pipeline and boiler phase Even;Described boiler is connected with absorption-heat chemistry air-conditioner set by pipeline;Described absorption-heat chemistry air-conditioner set respectively with Cooling tower is connected with air conditioning terminal;

Wherein,

Described solar thermal collector is connected with boiler and realizes the cyclic process of heating;

Described boiler is connected with absorption-heat chemistry air-conditioner set and realizes the cyclic process of energy storage;

Described absorption-heat chemistry air-conditioner set is connected with cooling tower and realizes the cyclic process of heat extraction;

Described absorption-heat chemistry air-conditioner set is connected with air conditioning terminal and realizes the cyclic process of delivery of energy.

Preferably, described solar thermal collector includes: hot water outlet pipe and solar thermal collector inlet tube;Wherein, described Hot water outlet pipe is arranged at the top of solar thermal collector, and described solar thermal collector inlet tube is arranged at solar thermal collector Bottom, described hot water outlet pipe is connected with boiler pipeline, and boiler is connected with solar thermal collector inlet tube pipeline again, is formed Circulation.

Preferably, described boiler includes: boiler inlet tube, boiler outlet, boiler outlet pipe and hot water Case return pipe;Wherein, described hot water outlet pipe is connected with boiler inlet tube, and described boiler outlet passes through the first hot water Pump is connected with solar thermal collector inlet tube;Described boiler outlet pipe sequentially pass through the second heat-exchanger pump and the first cross valve with Boiler return pipe is connected;Described first cross valve is connected with absorption-heat chemistry air-conditioner set pipeline by the second cross valve, Described absorption-heat chemistry air-conditioner set is connected with the first cross valve pipeline by the 3rd cross valve, forms circulation.

Preferably, described absorption-heat chemistry air-conditioner set includes: left water inlet pipe, left outlet pipe, left adsorption bed, left condensation Device, left evaporimeter, right water inlet pipe, right outlet pipe, right adsorption bed, right condenser, right evaporimeter;Described left water inlet pipe is connected to a left side The upper left side of adsorbent bed, described left outlet pipe is connected to the upper right side of left adsorption bed, described left adsorption bed be fixedly mounted on absorption- In the cavity of heat chemistry air-conditioner set, described left condenser is fixedly mounted on the underface of left adsorption bed, and described left evaporimeter is solid Dingan County is contained in the underface of left condenser;Described right water inlet pipe is connected to the upper right side of right adsorption bed, and described right outlet pipe connects On the upper left side of right adsorption bed, described right adsorption bed is fixedly mounted in the cavity of absorption-heat chemistry air-conditioner set, and the described right side is cold Condenser is fixedly mounted on the underface of right adsorption bed, and described right evaporimeter is fixedly mounted on the underface of right condenser;Wherein, institute State the first cross valve to be connected with left water inlet pipe by the second cross valve, described left outlet pipe passes through the 3rd cross valve and the one or four Port valve is connected;Described cooling tower sequentially passes through the 4th cross valve, left condenser, right condenser, the second cross valve, right water inlet Pipe, right outlet pipe, the 3rd cross valve, are then connected to the 4th cross valve, form circulation;Described left evaporimeter and right evaporimeter are respectively It is connected with air conditioning terminal pipeline.

Preferably, the pipeline between described right condenser and the second cross valve is provided with cooling water pump.

Preferably, described cooling tower includes: cooling tower outlet pipe and cooling tower return pipe, and described cooling tower outlet pipe is from cold But the bottom tank of tower picks out, and described cooling tower return pipe is connected on the water distributor being arranged at cooling tower top;Wherein, described Cooling tower outlet pipe is connected with cooling tower return pipe after the 4th cross valve, forms circulation.

Preferably, described air conditioning terminal includes: air conditioning terminal outlet pipe and air conditioning terminal return pipe, wherein: described air-conditioning Outlet water at tail end pipe is connected to the top of air conditioning terminal, and is connected with air conditioning terminal return pipe pipeline by the 5th cross valve, described Air conditioning terminal return pipe is connected to the bottom of air conditioning terminal;Described 5th cross valve is with absorption-heat chemistry air-conditioner set pipeline even Connect, form circulation.

Preferably, described 5th cross valve passes sequentially through chilled water pump and the first triple valve is connected with right evaporator pipeline, Described right evaporimeter is connected with the 5th cross valve pipeline by the second triple valve, forms circulation;Described 5th cross valve leads to successively Cross chilled water pump and the first triple valve is connected with left evaporator pipeline, described left evaporimeter passes through the second triple valve and the 5th four-way Valve pipeline connects, and forms circulation.

Compared with prior art, the invention has the following beneficial effects:

(1) Driven by Solar Energy efficient absorbent-thermal chemical reaction single-stage air-conditioning system that the present invention provides, its endless form bag Include absorption process, crystallization process and the thermochemical reaction process of hygroscopic salt, so, the circulatory moisture absorption amount of this endless form can To significantly improve, such that it is able to improve energy stream;When heat source temperature is 95 DEG C, cooling water temperature is 30 DEG C, and chilled water temperature is When 12 DEG C, the cold density of storage of this kind of refrigeration cycle is up to 1.24kwh/kg.

(2) endless form of the present invention, can achieve continuous cooling it is also possible to realize cooling after energy storage, without other Auxiliary energy storage device.In thermal energy storage process, working medium salt and cold-producing medium are isolated, almost free of losses;Defeated cold during, by working medium salt It is connected with cold-producing medium, the working medium salt moisture absorption that cold-producing medium is cooled, produce refrigeration.

Brief description

The detailed description with reference to the following drawings, non-limiting example made by reading, the further feature of the present invention, Objects and advantages will become more apparent upon:

Fig. 1 is present configuration schematic diagram;

Fig. 2 is working cycle diagram of the present invention.

Specific embodiment

Below embodiments of the invention are elaborated: the present embodiment is carried out under premised on technical solution of the present invention Implement, give detailed embodiment and specific operating process.It should be pointed out that to those of ordinary skill in the art For, without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the guarantor of the present invention Shield scope.

Please refer to Fig. 1 and Fig. 2.

Present embodiments provide a kind of Driven by Solar Energy efficient absorbent-thermal chemical reaction single-stage air-conditioning system, comprising: the sun Energy heat collector, boiler, absorption-heat chemistry air-conditioner set, cooling tower and air conditioning terminal, described solar thermal collector passes through pipe Road is connected with boiler;Described boiler is connected with absorption-heat chemistry air-conditioner set by pipeline;Described absorption-heat chemistry is empty Unit is adjusted to be connected with cooling tower and air conditioning terminal respectively;

Wherein,

Described solar thermal collector is connected with boiler and realizes the cyclic process of heating;

Described boiler is connected with absorption-heat chemistry air-conditioner set and realizes the cyclic process of energy storage;

Described absorption-heat chemistry air-conditioner set is connected with cooling tower and realizes the cyclic process of heat extraction;

Described absorption-heat chemistry air-conditioner set is connected with air conditioning terminal and realizes the cyclic process of delivery of energy.

Further, described solar thermal collector includes: hot water outlet pipe and solar thermal collector inlet tube;Wherein, institute State the top that hot water outlet pipe is arranged at solar thermal collector, described solar thermal collector inlet tube is arranged at solar thermal collector Bottom, described hot water outlet pipe is connected with boiler pipeline, and boiler is connected with solar thermal collector inlet tube pipeline again, shape Become circulation.

Further, described boiler includes: boiler inlet tube, boiler outlet, boiler outlet pipe and heat Water container backwater pipe;Wherein, described hot water outlet pipe is connected with boiler inlet tube, and described boiler outlet passes through the first heat Water pump is connected with solar thermal collector inlet tube;Described boiler outlet pipe sequentially passes through the second heat-exchanger pump and the first cross valve It is connected with boiler return pipe;Described first cross valve passes through the second cross valve with absorption-heat chemistry air-conditioner set pipeline even Connect, described absorption-heat chemistry air-conditioner set is connected with the first cross valve pipeline by the 3rd cross valve, form circulation.

Further, described absorption-heat chemistry air-conditioner set includes: left water inlet pipe, left outlet pipe, left adsorption bed, Zuo Leng Condenser, left evaporimeter, right water inlet pipe, right outlet pipe, right adsorption bed, right condenser, right evaporimeter;Described left water inlet pipe is connected to The upper left side of left adsorption bed, described left outlet pipe is connected to the upper right side of left adsorption bed, and described left adsorption bed is fixedly mounted on suction In the cavity of receipts-heat chemistry air-conditioner set, described left condenser is fixedly mounted on the underface of left adsorption bed, described left evaporimeter It is fixedly mounted on the underface of left condenser;Described right water inlet pipe is connected to the upper right side of right adsorption bed, and described right outlet pipe is even It is connected on the upper left side of right adsorption bed, described right adsorption bed is fixedly mounted in the cavity of absorption-heat chemistry air-conditioner set, the described right side Condenser is fixedly mounted on the underface of right adsorption bed, and described right evaporimeter is fixedly mounted on the underface of right condenser;Wherein, Described first cross valve is connected with left water inlet pipe by the second cross valve, and described left outlet pipe passes through the 3rd cross valve and first Cross valve is connected;Described cooling tower sequentially passes through the 4th cross valve, left condenser, right condenser, the second cross valve, right water inlet Pipe, right outlet pipe, the 3rd cross valve, are then connected to the 4th cross valve, form circulation;Described left evaporimeter and right evaporimeter are respectively It is connected with air conditioning terminal pipeline.

Further, the pipeline between described right condenser and the second cross valve is provided with cooling water pump.

Further, described cooling tower includes: cooling tower outlet pipe and cooling tower return pipe, described cooling tower outlet pipe from The bottom tank of cooling tower picks out, and described cooling tower return pipe is connected on the water distributor being arranged at cooling tower top;Wherein, institute State cooling tower outlet pipe to be connected with cooling tower return pipe after the 4th cross valve, form circulation.

Further, described air conditioning terminal includes: air conditioning terminal outlet pipe and air conditioning terminal return pipe, wherein: described sky Adjust outlet water at tail end pipe to be connected to the top of air conditioning terminal, and be connected with air conditioning terminal return pipe pipeline by the 5th cross valve, institute State the bottom that air conditioning terminal return pipe is connected to air conditioning terminal;Described 5th cross valve and absorption-heat chemistry air-conditioner set pipeline Connect, form circulation.

Further, described 5th cross valve passes sequentially through chilled water pump and the first triple valve with right evaporator pipeline even Connect, described right evaporimeter is connected with the 5th cross valve pipeline by the second triple valve, form circulation;Described 5th cross valve is successively It is connected with left evaporator pipeline by chilled water pump and the first triple valve, described left evaporimeter passes through the second triple valve and the May 4th Port valve pipeline connects, and forms circulation.

Below in conjunction with the accompanying drawings the present embodiment is described further.

As shown in figure 1, Driven by Solar Energy efficient absorbent-thermal chemical reaction single-stage air-conditioning system that the present embodiment provides, bag Include: solar thermal collector 1, boiler 7, absorption-heat chemistry air-conditioner set 37, cooling tower 61 and air conditioning terminal 55, wherein:

Solar thermal collector 1 and boiler 7 connect, and the pipeline that it connects is, hot water outlet pipe 2 and boiler inlet tube 4 It is connected, after boiler outlet 6 and the first heat-exchanger pump 5 connection, boiler outlet 6 is again with solar thermal collector inlet tube 3 even Connect;

Boiler 7 and absorption-heat chemistry air-conditioner set 37 connect, and its connecting line is that boiler outlet pipe 9 and second is warm Water pump 10 connects, then is connected with the water inlet pipe 12 of the first cross valve 15, then is connected with the first cross valve 15, then with the first cross valve 15 return pipe 11 connects, then is connected with boiler return pipe 8, the outlet pipe 13 of the first cross valve 15 and the second cross valve 25 Water inlet pipe 21 connects, then is connected with the outlet pipe 22 of the second cross valve 25, then be connected to the left water inlet pipe 26 of left adsorption bed 30 Connect, then be connected with the left outlet pipe 27 being connected to left adsorption bed 30, then be connected with the water inlet pipe 17 of the 3rd cross valve 20, then with The outlet pipe 16 of the 3rd cross valve 20 connects, then is connected with the return pipe 14 of the first cross valve 15;

Absorption-heat chemistry air-conditioner set 37 is connected with cooling tower 61, and the pipeline that it connects is, cooling tower outlet pipe 56 and the Four cross valves 60 connect, then are connected with cooling tower return pipe 57, the cooling water inlet pipe 59 of the 4th cross valve 60 and left condenser 32 water inlet pipe 38 connects, then is connected with right condenser 34, then is connected with the outlet pipe 39 of right condenser 34, then with cooling water pump 40 connections, then are connected with the water inlet pipe 23 of the second cross valve 25, then are connected with the outlet pipe 24 of the second cross valve 25, then be connected Connect in the right water inlet pipe 29 of right adsorption bed 31, then be connected with the right outlet pipe 28 being connected to right adsorption bed 31, then with the three or four The water inlet pipe 19 of port valve 20 connects, then is connected with the outlet pipe 18 of the 3rd cross valve 20, then the return pipe with the 4th cross valve 60 58 connections;

Air conditioning terminal 55 is connected with the right evaporimeter 36 of absorption-heat chemistry air-conditioner set 37, and its connecting line is that air is last The outlet pipe 49 at end 55 is connected with the 5th cross valve 53, then is connected with the return pipe 50 of air conditioning terminal 55, the 5th cross valve 53 Outlet pipe 51 is connected with chilled water pump 48, then is connected with the first triple valve 47, then is connected with cold water connecting tube 45, then with right evaporation The return pipe 44 of device 36 connects, then is connected with the outlet pipe 43 of right evaporimeter 36, then is connected with the second triple valve 46, then with the 5th The return pipe 52 of cross valve 53 connects;

Air conditioning terminal 55 is connected with the left evaporimeter 35 of absorption-heat chemistry air-conditioner set 37, and its connecting line is, the May 4th The outlet pipe 51 of port valve 53 is connected with chilled water pump 48, then is connected with the first triple valve 47, then the return pipe with left evaporimeter 35 41 connections, then be connected with the outlet pipe 42 of left evaporimeter, then be connected with the second triple valve 46, then the backwater with the 5th cross valve 53 Pipe 52 connects.

Described solar thermal collector 1 includes: hot water outlet pipe 2 and solar thermal collector inlet tube 3, wherein: hot water goes out Water pipe 2 is at the top of solar thermal collector 1, and is connected with boiler inlet tube 4, and solar thermal collector inlet tube 3 is in solar energy The bottom of heat collector 1, and be connected with boiler outlet 6.

Described boiler 7 also includes: boiler outlet pipe and boiler return pipe, wherein: boiler outlet pipe 9 is successively It is connected with boiler return pipe 8 with the first cross valve 15 through the second heat-exchanger pump 10.

Described absorption-heat chemistry air-conditioner set 37 includes: left water inlet pipe 26, left outlet pipe 27, left adsorption bed 30, Zuo Leng Condenser 32, left evaporimeter, right water inlet pipe 29, right outlet pipe 28, right adsorption bed 31, right condenser 34, right evaporimeter 36, wherein: Left water inlet pipe 26 is connected to the upper left side of left adsorption bed 30, and left outlet pipe 27 is connected to the upper right side of left adsorption bed 30, left absorption Bed 30 is fixedly mounted in the cavity of air-conditioner set 37, and left condenser 32 is fixedly mounted on the underface of left adsorption bed 30, Zuo Zheng Send out the underface that device 35 is fixedly mounted on left condenser 32.Right water inlet pipe 29 is connected to the upper right side of right adsorption bed 31, right water outlet Pipe 28 is connected to the upper left side of right adsorption bed 31, and right adsorption bed 31 is fixedly mounted in the cavity of air-conditioner set 37, right condenser 34 underfaces being fixedly mounted on right adsorption bed 31, right evaporimeter 36 is fixedly mounted on the underface of right condenser 34.

Described cooling tower 61 includes: cooling tower outlet pipe 56 and cooling tower return pipe 57, wherein: cooling tower outlet pipe 56 Pick out from the bottom tank of cooling tower 61, cooling tower return pipe 57 is connected on the water distributor on the top of cooling tower 61.

Described air conditioning terminal 55 includes: air conditioning terminal outlet pipe 49 and air conditioning terminal return pipe 50, wherein: air conditioning terminal Outlet pipe 49 is connected to the top of air conditioning terminal 55, and air conditioning terminal return pipe 50 is connected to the bottom of air conditioning terminal 55.

As shown in Fig. 2 Driven by Solar Energy efficient absorbent-thermal chemical reaction single-stage air-conditioning system that the present embodiment provides, its Specific works mode includes the following steps:

1) weak solution heating generation-cold-producing medium condensation process: solar thermal collector receives solar radiation illumination, solar energy Fluid in heat collector is heated, and the fluid after heating enters boiler, after the hot water temperature of boiler obtains certain numerical value, Water in boiler is used for heating the weak solution in absorption-heat chemistry air-conditioner set, and weak solution temperature rises to a point, a from h point The pressure of point is condensing pressure.Continue heat dilute solution, weak solution temperature rises to saturation state point b point from a point, now, send out Born water vapour is condensed into liquid, such as b ' point.Continue heating saturated solution, the temperature of working medium rises to c from temperature b Point, constantly separates out licl.h in solution2O, final working medium is converted to licl.h2O solid, its reactional equation isContinue heating licl.h2O solid, work The temperature of matter rises to d point, licl.h from c point2O will lose the crystallization water, and final working medium is converted to licl solid, its reaction side Cheng WeiIt is desorbed out vapor and can be condensed into liquid.

2) working medium moisture absorption-sweat cooling process: by cooling down the working medium in tower cooler absorption-heat chemistry air-conditioner set, work Matter temperature drops to f point from d point, and the pressure of f point is evaporating pressure.Now, the hygroscopic salt of cooling will produce moisture sorption effect, Licl translates into licl.h2o, and its reactive mode isReaction side To with 1) contrary.Continue cooling licl.h2o, cooling licl.h2o will continue to produce dilute wet effect, working medium is final The saturated solution of licl will be formed, Temperature of Working drops to g point from f point, and its reaction equation isIts Direction of Reaction and 1) contrary.Continue cooling The saturated solution of licl, the temperature of solution will drop to h point from g point, and the moisture absorption salting liquid simultaneously cooling down will continue moisture absorption.Working medium During moisture absorption, liquid refrigerant water will constantly evaporate, thus producing refrigeration, the cold of generation is carried by air conditioning terminal Supply user.

In Fig. 2: qe is evaporation heat, qc is condenser heat, and qch is energy storage heat, and qcool is amount of cooling water, and te is evaporation Temperature, tc is condensation temperature, and tch is energy storage temperature.

Driven by Solar Energy efficient absorbent-thermal chemical reaction single-stage air-conditioning system that the present embodiment provides, its endless form bag Include absorption process, crystallization process and the thermochemical reaction process of hygroscopic salt, so, the circulatory moisture absorption amount of this endless form can To significantly improve, such that it is able to improve energy stream.When heat source temperature is 95 DEG C, cooling water temperature is 30 DEG C, and chilled water temperature is When 12 DEG C, the cold density of storage of this kind of refrigeration cycle is up to 1.24kwh/kg;This endless form of the present embodiment, can achieve continuous confession Cold it is also possible to realize built-in energy storage, cooling when needing.This system does not need external auxiliary energy storage device to enable built-in Energy storage and cooling;In thermal energy storage process, working medium salt and cold-producing medium are isolated, almost free of losses;Defeated cold during, by working medium salt and Cold-producing medium is connected, the working medium salt moisture absorption that cold-producing medium is cooled, and produces refrigeration.

Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned Particular implementation, those skilled in the art can make various modifications or modification within the scope of the claims, this not shadow Ring the flesh and blood of the present invention.

Claims (8)

1. a kind of Driven by Solar Energy efficient absorbent-thermal chemical reaction single-stage air-conditioning system is it is characterised in that include: solar energy collection Hot device, boiler, absorption-heat chemistry air-conditioner set, cooling tower and air conditioning terminal, described solar thermal collector pass through pipeline with Boiler is connected;Described boiler is connected with absorption-heat chemistry air-conditioner set by pipeline;Described absorption-heat chemistry air conditioner Group is connected with cooling tower and air conditioning terminal respectively;
Wherein,
Described solar thermal collector is connected with boiler and realizes the cyclic process of heating;
Described boiler is connected with absorption-heat chemistry air-conditioner set and realizes the cyclic process of energy storage;
Described absorption-heat chemistry air-conditioner set is connected with cooling tower and realizes the cyclic process of heat extraction;
Described absorption-heat chemistry air-conditioner set is connected with air conditioning terminal and realizes the cyclic process of delivery of energy.
2. Driven by Solar Energy efficient absorbent according to claim 1-thermal chemical reaction single-stage air-conditioning system, its feature exists In described solar thermal collector includes: hot water outlet pipe and solar thermal collector inlet tube;Wherein, described hot water outlet pipe sets It is placed in the top of solar thermal collector, described solar thermal collector inlet tube is arranged at the bottom of solar thermal collector, described heat Water outlet pipe is connected with boiler pipeline, and boiler is connected with solar thermal collector inlet tube pipeline again, forms circulation.
3. Driven by Solar Energy efficient absorbent according to claim 2-thermal chemical reaction single-stage air-conditioning system, its feature exists In described boiler includes: boiler inlet tube, boiler outlet, boiler outlet pipe and boiler return pipe;Its In, described hot water outlet pipe is connected with boiler inlet tube, and described boiler outlet passes through the first heat-exchanger pump and solar energy Heat collector inlet tube is connected;Described boiler outlet pipe sequentially passes through the second heat-exchanger pump and the first cross valve and boiler backwater Pipe is connected;Described first cross valve is connected with absorption-heat chemistry air-conditioner set pipeline by the second cross valve, and described absorption- Heat chemistry air-conditioner set is connected with the first cross valve pipeline by the 3rd cross valve, forms circulation.
4. Driven by Solar Energy efficient absorbent according to claim 3-thermal chemical reaction single-stage air-conditioning system, its feature exists In described absorption-heat chemistry air-conditioner set includes: left water inlet pipe, left outlet pipe, left adsorption bed, left condenser, left evaporimeter, Right water inlet pipe, right outlet pipe, right adsorption bed, right condenser, right evaporimeter;Described left water inlet pipe is connected to the upper left of left adsorption bed Side, described left outlet pipe is connected to the upper right side of left adsorption bed, and described left adsorption bed is fixedly mounted on absorption-heat chemistry air conditioner In the cavity of group, described left condenser is fixedly mounted on the underface of left adsorption bed, and described left evaporimeter is fixedly mounted on left cold The underface of condenser;Described right water inlet pipe is connected to the upper right side of right adsorption bed, and described right outlet pipe is connected to right adsorption bed Upper left side, described right adsorption bed is fixedly mounted in the cavity of absorption-heat chemistry air-conditioner set, described right condenser fixed installation In the underface of right adsorption bed, described right evaporimeter is fixedly mounted on the underface of right condenser;Wherein, described first cross valve It is connected with left water inlet pipe by the second cross valve, described left outlet pipe is connected with the first cross valve by the 3rd cross valve; Described cooling tower sequentially pass through the 4th cross valve, left condenser, right condenser, the second cross valve, right water inlet pipe, right outlet pipe, 3rd cross valve, is then connected to the 4th cross valve, forms circulation;Described left evaporimeter and right evaporimeter respectively with air conditioning terminal pipe Road connects.
5. Driven by Solar Energy efficient absorbent according to claim 4-thermal chemical reaction single-stage air-conditioning system, its feature exists In the pipeline between described right condenser and the second cross valve is provided with cooling water pump.
6. Driven by Solar Energy efficient absorbent according to any one of claim 1 to 5-thermal chemical reaction single-stage air-conditioning system System is it is characterised in that described cooling tower includes: cooling tower outlet pipe and cooling tower return pipe, described cooling tower outlet pipe is from cold But the bottom tank of tower picks out, and described cooling tower return pipe is connected on the water distributor being arranged at cooling tower top;Wherein, described Cooling tower outlet pipe is connected with cooling tower return pipe after the 4th cross valve, forms circulation.
7. Driven by Solar Energy efficient absorbent according to any one of claim 1 to 5-thermal chemical reaction single-stage air-conditioning system System is it is characterised in that described air conditioning terminal includes: air conditioning terminal outlet pipe and air conditioning terminal return pipe, wherein: described air-conditioning end Bring out the top that water pipe is connected to air conditioning terminal, and be connected with air conditioning terminal return pipe pipeline by the 5th cross valve, described sky End return pipe is adjusted to be connected to the bottom of air conditioning terminal;Described 5th cross valve is connected with absorption-heat chemistry air-conditioner set pipeline, Form circulation.
8. Driven by Solar Energy efficient absorbent according to claim 7-thermal chemical reaction single-stage air-conditioning system, its feature exists In described 5th cross valve passes sequentially through chilled water pump and the first triple valve is connected with right evaporator pipeline, described right evaporimeter It is connected with the 5th cross valve pipeline by the second triple valve, form circulation;Described 5th cross valve pass sequentially through chilled water pump and First triple valve is connected with left evaporator pipeline, and described left evaporimeter is connected with the 5th cross valve pipeline by the second triple valve, Form circulation.
CN201410345561.5A 2014-07-18 2014-07-18 Solar-driven efficient moisture-absorption thermal chemical reaction single-stage air conditioning system CN104110758B (en)

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