CN108105834B - A kind of three-phase accumulation of energy and heat supply integrated heat supply system - Google Patents
A kind of three-phase accumulation of energy and heat supply integrated heat supply system Download PDFInfo
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- CN108105834B CN108105834B CN201711362244.4A CN201711362244A CN108105834B CN 108105834 B CN108105834 B CN 108105834B CN 201711362244 A CN201711362244 A CN 201711362244A CN 108105834 B CN108105834 B CN 108105834B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D12/00—Other central heating systems
- F24D12/02—Other central heating systems having more than one heat source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/11—Geothermal energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Abstract
A kind of three-phase accumulation of energy and heat supply integrated heat supply system, belong to solar heat pump field.The invention is using absorption type refrigeration working medium to lithium bromide-water solution as accumulation of energy medium, it is dangerous that three-phase energy accumulating technique overcomes traditional solar absorption heat pump solution crystallization bring, and vapour-liquid consolidates the enhancing of three-phase energy storage capability, energy storage density is significantly improved than gas-liquid two-phase way of energy storage, 50% percent crystallization in massecuite can make the volume ratio two-phase way of energy storage of accumulator reduce more than half, especially, system daytime is condensed into liquid heat release by water vapour using the water storage tank of three-phase energy-storage system and realizes heat supply, heat is stored in energy storage tank in the form of lithium bromide water solution chemical potential energy simultaneously, system realizes synchronous heat supply and accumulation of energy, heat, which is absorbed, using absorber release at night realizes heat supply, 24 hour operation, effectively increase solar energy utilization ratio, make low-temperature heat source using Soil Thermal, take full advantage of renewable energy, to protecting and improve the ecological environment Play a significant role.
Description
Technical field
The invention belongs to solar heat pump technical field, in particular to a kind of 24 hour operation three-phase accumulation of energy and confession are heating integrated
Heating system.
Background technique
Solar thermal utilization is that the main of solar energy utilizes one of form.For improve solar energy utilization ratio, energy accumulating technique with
Traditional solar absorption heat pump combination is the key that solar heat pump further high efficiency, low cost, scale application
Place.In various energy accumulating techniques, sensible heat and latent heat accumulator are to develop energy accumulating technique that is more mature and being widely used, however preceding
Person's major defect is that energy storage density is small, and the latter's heat transfer temperature difference is big, energy storage and release rate is low.Chemical solution based on principle of absorption
Accumulation of energy has energy storage density height, using environment-friendly type working medium pair, and storage device is the very simple fluid reservoir of structure.Solution accumulation of energy
The chemical potential energy that ability depends on before and after accumulation of energy is poor, and chemical potential energy difference is mainly determined by the concentration difference before and after accumulation of energy, is into one
Step excavates the potentiality of solution accumulation of energy, improves the energy storage density of solution energy-saving equipment, has invented a kind of three-phase accumulation of energy and heat supply one
Change heating system and three-phase operation mode is consolidated using working media vapour-liquid using absorption type refrigeration working medium to as accumulation of energy medium, stores
Energy ability enhancing, energy storage density are significantly improved than gas-liquid two-phase way of energy storage, and 50% percent crystallization in massecuite can be such that energy storage density improves
50% or more, in other words, 50% percent crystallization in massecuite, the volume-diminished of energy storage equipment more than half, in particular, system may be implemented together
Heat supply and accumulation of energy are walked, daytime, direct heating, released energy heat supply at night, and system 24 hour operation effectively increases solar energy utilization ratio.
Summary of the invention
The present invention provides a kind of 24 hour operation three-phase accumulation of energy and heat supply integrated heat supply system, and three-phase accumulation of energy uses bromination
For lithium-aqueous solution as accumulation of energy medium, three-phase energy accumulating technique overcomes traditional solar absorption heat pump solution crystallization bring danger
Danger also realizes that energy-storage system acts on the tune lotus of solar heat pump with the high energy storage density that vapour-liquid consolidates three-phase.Meanwhile system is realized
24 hour operation efficiently utilizes solar energy, is condensed into liquid heat release by water vapour using the water storage tank of three-phase energy-storage system daytime
Realize heat supply；Heat, which is absorbed, using absorber release at night realizes heat supply.
A kind of three-phase accumulation of energy and heat supply integrated heat supply system, it is characterised in that: a kind of following three-phase accumulation of energy of application and supply
Hot systems, the system include slot type solar heat collector 1, oil storage tank 2, energy storage tank 3, water storage tank 4, absorber 5, evaporator 6, throttling
Valve 7 and ground heat exchanger 8, between water storage tank 4 and evaporator 6, aspirator 9 is located inside energy storage tank 3 throttle valve 7, stores
The the first valve V1 and the second valve V2 for carrying out operating condition switching can be set between tank 3 and absorber 5, and third solution spraying pumps P3
Between absorber 5 and energy storage tank 3.
Heat exchanger and groove type solar collecting system in energy storage tank 3 are linked to be a collection thermal medium circulation loop, including slot
Heat exchanger in formula solar thermal collector 1, oil storage tank 2 and energy storage tank 3, energy storage tank 3 and absorber 5 are linked to be a solution and recycle
Circuit, lithium bromide concentrated solution enters absorber 5 by the second valve V2 by aspirator 9 in energy storage tank 3, into absorber 5
Lithium bromide concentrated solution arrives heat exchanger surface by the pump P2 pressurization of the second solution spraying and the second wash nozzle 12 spray, in absorber
The water vapour for carrying out flash-pot is absorbed in 5, the lithium bromide weak solution of formation returns to energy storage tank 3 by third solution spraying pump P3
In.
It is connect by pipeline with water storage tank 4 at the top of energy storage tank 3, the lithium bromide concentrated solution in energy storage tank 3 is flowed by aspirator 9
Enter pipeline, arrives heat exchanger by the pump P1 pressurization of the first solution spraying and the first wash nozzle 10 spray by the first valve V1, it is molten
Liquid is heated concentration, and until generating crystallization, crystal is distributed in three-phase energy storage tank 3, and refrigerant vapour caused by heating
Into water storage tank 4, the refrigerant water generated in water storage tank 4 is by the first liquid refrigerant spray pump P4 pressurization and the first liquid system
The spray of cryogen nozzle 11 arrives heat exchanger surface, and water storage tank 4 is connected to evaporator 6, the heat exchanger in evaporator 6 by throttle valve 7
It is linked to be a heat-carrying agent circulation loop with ground heat exchanger 8, the refrigerant water in evaporator 6 relies on the second liquid refrigerant
Spray pump P5 pressurization and the second liquid refrigerant nozzle 13 spray arrive heat exchanger surface, generate water vapour.
By the accumulation of energy of 24 hour operation three-phase and heat supply integrated heat supply system, using absorption type refrigeration working medium to lithium bromide water
Solution is as accumulation of energy medium, and when heat supply on daytime, trough type solar heat-collector 1 absorbs solar radiation, converts light energy into thermal energy, collects
Thermal medium heats the lithium bromide water solution in three-phase energy-storage system energy storage tank 3 by heat exchanger.Three-phase energy-storage system works by day
When, the first valve V1 is opened, the second valve V2 is closed, lithium bromide water solution is by the pump P1 spray of the first solution spraying in energy storage tank 3
Heat exchanger is poured, the superheated vapour of generation condenses into water in water storage tank 4, and condensation heat is used for heat supply, meanwhile, by refrigerant water
It is stored in water storage tank 4；When night heat supply, energy is released in the unlatching of three-phase energy-storage system, opens the second valve V2, closes the first valve
V1, the refrigerant water in water storage tank 4 enter evaporator 6, heat through the heat-carrying agent in heat exchanger and evaporating becomes water vapour, stream
Enter in absorber 5, at this point, the lithium bromide concentrated solution from energy storage tank 3 absorbs water vapour in absorber 5, is absorbed in absorber 5
The lithium bromide weak solution of vapor returns in energy storage tank 3, so that the lithium bromide water solution concentration in energy storage tank 3 constantly declines.
Absorption heat release in absorber 5 is used for night heat supply.
Further, this system accumulation of energy is to consolidate three-phase with vapour-liquid to realize accumulation of energy, trough type solar heat-collector collection thermal medium case
Outlet end provides heat as heat source for three-phase energy storage tank, and is stored in energy storage tank in the form of lithium bromide water solution chemical potential energy
In.Specifically, when the accumulation of energy of three-phase energy-storage system, solar energy heating medium directly provides heat, heating three for three-phase energy storage tank
Lithium bromide water solution in phase energy storage tank, the water vapour of generation enter water storage tank, and water vapour is condensed into liquid in water storage tank and puts
Heat is used for heat supply on daytime, while heat is stored in energy storage tank in the form of lithium bromide water solution chemical potential energy.Three-phase energy-storage system
When energy is released in unlatching, the liquid water in water storage tank enters evaporator after throttling set is depressured, and is contained in evaporator by heat exchanger
Thermal medium is heated and is vaporized, and water vapour enters absorber, while the lithium bromide concentrated solution in three-phase energy storage tank also flows to absorber,
The water vapour for carrying out flash-pot is absorbed, the lithium bromide weak solution after being diluted in subsequent absorber flow back into three-phase energy storage tank again
In, solution absorbs water vapour release and absorbs heat in absorber, and the air conditioning hot of generation provides building heat supplying.
Present invention is also characterized in that providing a kind of 24 hour operation three-phase accumulation of energy and heat supply integrated heat supply system, a side
Three-phase energy-storage system, energy storage capability enhancing are consolidated using vapour-liquid in face, and energy storage density is significantly improved than gas-liquid two-phase way of energy storage；It is another
Synchronous accumulation of energy and heat supply may be implemented in aspect system, and daytime, direct heating, released energy heat supply at night, and system 24 hour operation effectively mentions
High solar energy utilization ratio.
When system daytime runs, solar energy heating medium directly provides heat for three-phase energy storage tank, heats three-phase energy storage tank
In lithium bromide water solution, the water vapour of generation enters water storage tank, and water vapour is condensed into liquid heat release for white in water storage tank
Its heat supply, while the lithium-bromide solution concentration in three-phase energy storage tank increases, heat is stored up in the form of lithium bromide water solution chemical potential energy
There are night heat supply in energy storage tank, is used for, system realizes synchronous heat supply and accumulation of energy.
Accumulation of energy while daytime utilizes water storage tank heat supply, heat is in a manner of accumulation of energy medium lithium bromide water solution chemical potential energy
It is stored in energy storage tank；Night, which utilizes, releases and can realize heat supply with the absorption heat of release.System direct heating on daytime, releasing can supply at night
Heat, system 24 hour operation, effectively increases solar energy utilization ratio.System makees low-temperature heat source using Soil Thermal, into evaporator
Refrigerant water, is heated through the heat-carrying agent in soil source heat pump heat exchanger and evaporating becomes water vapour.Solar energy and soil source are all
Belong to renewable energy, takes full advantage of renewable energy.
Beneficial effect
The invention patent proposes a kind of three-phase accumulation of energy and heat supply integrated heat supply system, and three-phase energy accumulating technique overcomes tradition
Solar absorption heat pump solution crystallizes bring danger, is also realized with the high energy storage density that lithium bromide water solution vapour-liquid consolidates three-phase
Energy-storage system acts on the tune lotus of solar heat pump, the enhancing of three-phase energy storage capability, and energy storage density is brighter than gas-liquid two-phase way of energy storage
Aobvious to improve, 50% percent crystallization in massecuite can make energy storage density improve 50% or more, in other words, 50% percent crystallization in massecuite, the body of energy storage equipment
Product reduces more than half, in particular, synchronous heat supply and accumulation of energy may be implemented in system, direct heating, released energy heat supply at night, be daytime
System 24 hour operation, effectively increases solar energy utilization ratio, makees low-temperature heat source using Soil Thermal, take full advantage of renewable energy,
Play a significant role to protecting and improving the ecological environment.
Detailed description of the invention
Fig. 1 is the pipeline component connection figure of the three-phase accumulation of energy that the invention patent provides and heat supply integrated heat supply system.
In figure: the serial number and title of each component are as follows:
1-trough type solar heat-collector；2-oil storage tanks；3-energy storage tanks；4-water storage tanks；5-absorbers；6-evaporations
Device；7-throttle valves；8-ground heat exchangers；9-aspirators；10-the first wash nozzle；The spray of 11-the first liquid refrigerant
Mouth；12-the second wash nozzle；13-the second liquid refrigerant nozzle；The first valve of V1-；The second valve of V2-；P1-first
Solution spraying pump；The second solution spraying of P2-pump；P3-third solution spraying pump；P4-the first liquid refrigerant spray pump；
P5-the second liquid refrigerant spray pump
Specific embodiment
The invention patent is further illustrated with reference to the accompanying drawing.
Using absorption type refrigeration working medium to lithium bromide-water solution as accumulation of energy medium, when heat supply on daytime, the first valve is opened
V1, closes the second valve V2, and trough type solar heat-collector 1 absorbs solar radiation, converts light energy into thermal energy, collection thermal medium passes through
Heat exchanger heats the lithium bromide concentrated solution in three-phase energy-storage system energy storage tank 3, and the lithium bromide concentrated solution in energy storage tank 3 passes through imbibition
9 feed line of device arrives heat exchange by the pump P1 pressurization of the first solution spraying and the first wash nozzle 10 spray by the first valve V1
Device, solution are heated concentration, and until generating crystallization, crystal is distributed in three-phase energy storage tank 3, and refrigerant caused by heating
Steam enters water storage tank 4, and the refrigerant water generated in water storage tank 4 pressurizes by the first liquid refrigerant spray pump P4 and the first liquid
The spray of state refrigerant nozzle 11 condenses heat release to heat exchanger surface, while heat is stored in the form of lithium bromide water solution chemical potential energy
In energy storage tank；When night heat supply, energy is released in the unlatching of three-phase energy-storage system, opens the second valve V2, closes the first valve V1, water storage
Refrigerant water in tank 4 flows into evaporator 6 by throttle valve 7, and the refrigerant water in evaporator 6 is sprayed by the second liquid refrigerant
Leaching pump P5 pressurization and the second liquid refrigerant nozzle 13 spray arrive heat exchanger surface, heat and steam through the heat-carrying agent in heat exchanger
Hair becomes water vapour, and lithium bromide concentrated solution enters absorber 5 by the second valve V2 by aspirator 9 in energy storage tank 3, into suction
The lithium bromide concentrated solution for receiving device 5 arrives heat exchanger surface by the pump P2 pressurization of the second solution spraying and the second wash nozzle 12 spray,
The water vapour come in flash-pot is absorbed in absorber 5, the lithium bromide weak solution of formation is returned by third solution spraying pump P3
It returns in energy storage tank 3, so that the lithium bromide water solution concentration in energy storage tank 3 constantly declines, the absorption heat in absorber 5 is used for night
Heat supply.
Claims (2)
1. a kind of three-phase accumulation of energy and heat supply integrated heat supply system, it is characterised in that: the system includes slot type solar heat collector
(1), oil storage tank (2), energy storage tank (3), water storage tank (4), absorber (5), evaporator (6), throttle valve (7) and ground heat exchanger
(8)；Throttle valve (7) is located between water storage tank (4) and evaporator (6), and aspirator (9) is located at energy storage tank (3) inside, energy storage tank
(3) the first valve (V1) and the second valve (V2) for carrying out operating condition switching, third solution spraying pump are set between absorber (5)
(P3) between absorber (5) and energy storage tank (3)；Heat exchanger in energy storage tank (3) is linked to be with groove type solar collecting system
One collection thermal medium circulation loop, including the heat exchange in trough type solar heat-collector (1), oil storage tank (2) and energy storage tank (3)
Device, energy storage tank (3) and absorber (5) are linked to be a solution circulation loop；Lithium bromide concentrated solution passes through aspirator in energy storage tank (3)
(9) enter absorber (5) by the second valve (V2), the lithium bromide concentrated solution into absorber (5) relies on the second solution spraying
It pumps (P2) pressurization and the second wash nozzle (12) sprays the heat exchanger surface for arriving absorber, absorb in absorber (5) from steaming
The water vapour of device is sent out, the lithium bromide weak solution of formation returns in energy storage tank (3) by third solution spraying pump (P3), energy storage tank
(3) top is connect by pipeline with water storage tank (4), and the lithium bromide concentrated solution in energy storage tank (3) flows into pipe by aspirator (9)
Energy storage tank is arrived by the first solution spraying pump (P1) pressurization and the first wash nozzle (10) spray by the first valve (V1) in road
Heat exchanger, solution are heated concentration, and until generating crystallization, crystal is distributed in three-phase energy storage tank (3), and caused by heating
Refrigerant vapour enters water storage tank (4), and the refrigerant water generated in water storage tank (4) relies on the first liquid refrigerant spray pump (P4)
Pressurization and the first liquid refrigerant nozzle (11) spray arrive the heat exchanger surface of water storage tank, and water storage tank (4) connects by throttle valve (7)
It is connected to evaporator (6), the heat exchanger in evaporator (6) and ground heat exchanger (8) are linked to be a heat-carrying agent circulation loop, steam
The refrigerant water in device (6) is sent out by the pressurization of the second liquid refrigerant spray pump (P5) and the spray of the second liquid refrigerant nozzle (13)
Evaporator heat exchanger surface is poured, water vapour is generated, the lithium bromide concentrated solution from energy storage tank (3) is pumped by the second solution spraying
(P2) it is delivered to the spray system of absorber, the water vapour for carrying out flash-pot is absorbed in absorber (5), the lithium bromide of formation is dilute
Solution returns in energy storage tank (3) by third solution spraying pump (P3).
2. system according to claim 1, it is characterised in that: made using absorption type refrigeration working medium to lithium bromide-water solution
For accumulation of energy medium, when heat supply on daytime, opens the first valve (V1), close the second valve (V2), trough type solar heat-collector (1) is inhaled
Solar radiation is received, thermal energy is converted light energy into, collection thermal medium passes through the bromine in heat exchanger heating three-phase energy-storage system energy storage tank (3)
Change lithium concentrated solution, the lithium bromide concentrated solution in energy storage tank (3) by aspirator (9) feed line, by the first valve (V1) according to
The heat exchanger of energy storage tank is arrived by the first solution spraying pump (P1) pressurization and the first wash nozzle (10) spray, solution is heated dense
Contracting, until generating crystallization, crystal is distributed in three-phase energy storage tank (3), and refrigerant vapour caused by heating enters water storage
Tank (4), the middle refrigerant water generated of water storage tank (4) pressurizes by the first liquid refrigerant spray pump (P4) and the first liquid refrigeration
The heat exchanger surface of agent nozzle (11) spray to water storage tank condenses heat release, while heat is in the form of lithium bromide water solution chemical potential energy
It is stored in energy storage tank；When night heat supply, energy is released in the unlatching of three-phase energy-storage system, is opened the second valve (V2), closes the first valve
(V1), the refrigerant water in water storage tank (4) flows into evaporator (6) by throttle valve (7), the refrigerant water in evaporator (6) according to
Evaporator heat exchanger surface is arrived by the pressurization of the second liquid refrigerant spray pump (P5) and the second liquid refrigerant nozzle (13) spray,
Through the heat-carrying agent heating in heat exchanger, evaporating becomes water vapour, and lithium bromide concentrated solution passes through aspirator (9) in energy storage tank (3)
Enter absorber (5) by the second valve (V2), the lithium bromide concentrated solution into absorber (5) is pumped by the second solution spraying
(P2) pressurization and the second wash nozzle (12) spray arrive the heat exchanger surface of absorber, absorb in absorber (5) and carry out spontaneous evaporation
The lithium bromide weak solution of water vapour in device, formation returns in energy storage tank (3) by third solution spraying pump (P3), so that accumulation of energy
Lithium bromide water solution concentration in tank (3) constantly declines, and the absorption heat in absorber (5) is used for night heat supply.
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| CN201711362244.4A CN108105834B (en) | 2017-12-18 | 2017-12-18 | A kind of three-phase accumulation of energy and heat supply integrated heat supply system |
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| CN201711362244.4A CN108105834B (en) | 2017-12-18 | 2017-12-18 | A kind of three-phase accumulation of energy and heat supply integrated heat supply system |
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| CN108105834B true CN108105834B (en) | 2019-07-12 |
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| CN115077129A (en) * | 2021-03-11 | 2022-09-20 | 香港城市大学 | Enhanced multi-mode multi-effect absorption type energy storage and release device and operation method thereof |
| CN113915795B (en) * | 2021-09-27 | 2023-03-03 | 河南科技大学 | Solar solution latent heat energy storage double-source heat pump system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4439994A (en) * | 1982-07-06 | 1984-04-03 | Hybrid Energy Systems, Inc. | Three phase absorption systems and methods for refrigeration and heat pump cycles |
| CN1515850A (en) * | 2003-08-28 | 2004-07-28 | 上海交通大学 | Unit solar energy heat pump air conditioner and hot water system |
| CN104913364A (en) * | 2015-06-04 | 2015-09-16 | 北京建筑大学 | Solar and soil-source hot-water type heat supplying system of absorption type heat pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406326B (en) * | 2014-11-17 | 2017-04-05 | 北京工业大学 | A kind of absorbing type refrigeration air-conditioning system with three-phase accumulator |
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- 2017-12-18 CN CN201711362244.4A patent/CN108105834B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4439994A (en) * | 1982-07-06 | 1984-04-03 | Hybrid Energy Systems, Inc. | Three phase absorption systems and methods for refrigeration and heat pump cycles |
| CN1515850A (en) * | 2003-08-28 | 2004-07-28 | 上海交通大学 | Unit solar energy heat pump air conditioner and hot water system |
| CN104913364A (en) * | 2015-06-04 | 2015-09-16 | 北京建筑大学 | Solar and soil-source hot-water type heat supplying system of absorption type heat pump |
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