CN206514443U - Energy supplying system based on low valley power storage - Google Patents

Energy supplying system based on low valley power storage Download PDF

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CN206514443U
CN206514443U CN201621386907.7U CN201621386907U CN206514443U CN 206514443 U CN206514443 U CN 206514443U CN 201621386907 U CN201621386907 U CN 201621386907U CN 206514443 U CN206514443 U CN 206514443U
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absorbent solution
heat exchanger
working medium
condensation
working fluid
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苏庆泉
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Beijing Lianliyuan Technology Co Ltd
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Beijing Lianliyuan Technology Co Ltd
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Abstract

The utility model discloses a kind of energy supplying system based on low valley power storage, including absorption heat pump subsystem and air conditioning subsystem, absorption heat pump subsystem carries out energy storage by trough-electricity, and passes through air conditioning subsystem progress cooling or heat supply with absorption heat pump subsystem energy supply process.The utility model operating cost is low.

Description

Energy supplying system based on low valley power storage
Technical field
The utility model is related to Thermal Power Engineering technical field, more particularly to a kind of energy supplying system based on low valley power storage.
Background technology
In recent years, the winter haze of especially northern area in all parts of the country takes place frequently, and its one of the main reasons is that heating is coal-fired The discharge of the particulate matter of boiler, SOx and NOx.Therefore, various regions currently widely popularize coal and change gas, coal and change electricity.But, combustion The problem of gas boiler still has NOx emission；Electricity heating has the advantages that cleaning, but there is the problem of cost is too high.It is another Aspect, with the development of national economy, the electric load peak-valley difference in power system constantly increases, especially recently as wind The installed capacity of renewable energy power generation such as generate electricity of power Generate, Generation, Generator volt increases substantially, by power network can not dissolve its electricity And produce serious " abandoning wind ", " abandoning light " phenomenon.Therefore, by realizing " peak load shifting " of power network using trough-electricity on a large scale It is a urgent problem.As can be seen here, heat supply in winter is realized using cheap trough-electricity, and then realizes summer cooling and complete Year supplying hot water is an environment friendliness, comparatively ideal technology path.
For the utilization technology of trough-electricity, highdensity accumulation of energy is key point.In building energy saving field, trough-electricity ice stores Cold central air-conditioning is that a kind of trough-electricity being used widely utilizes technology.It is characterized in, in the electric period operation pressure of night dip Contracting formula heat pump carries out ice making, and cold is provided a user by ice-melt in the peak electric period, so as to realize " peak load shifting ".Can It is that trough-electricity ice Thermal Storage Air-Conditioning Technology has the deficiency of three aspects, one is due to that ice making needs certain degree of supercooling, generally will The evaporating temperature of compression heat pump is controlled at subzero 5 DEG C or so, and actual cooling temperature only needs 7 DEG C above freezing or so, thus system Cold COP is relatively low；Two be that latent heat of phase change between water and ice is smaller (334.5kJ/kg), along with the heat conductivity due to ice is not good And the water in Ice Storage Tank can not be completely converted into ice, generally by the control of the conversion ratio of water 50% or so, thus energy storage density It is relatively low；Three be trough-electricity ice storage central air-conditioning throughout the year in only summer operation, other three seasons in a dormant state, Equipment operation ratio is extremely low, thus the effect of its " peak load shifting " is limited, and economy is also poor.
Utility model content
In view of this, the utility model embodiment provides a kind of energy supplying system based on low valley power storage, and main purpose is The ability that energy storage is carried out using trough-electricity is improved, and is run throughout the year, so as to significantly improve the effect of its " peak load shifting " simultaneously Improve its economy.
To reach above-mentioned purpose, the utility model mainly provides following technical scheme：
In a first aspect, the utility model provides a kind of energy supplying system based on low valley power storage, including absorption heat pump Subsystem and air conditioning subsystem, the absorption heat pump subsystem include：
Absorbent solution chamber, is made up of two parts up and down, and top is that absorbent solution sprays chamber, and bottom is held for absorbent solution Connect room；
First absorbent solution spray equipment, chamber is sprayed located at the absorbent solution, and absorbent solution is inhaled by described first Receive the absorbent solution after solution spraying device sprays in absorbent solution spray chamber and flashes generation refrigerant vapor, evaporation and concentration Fall on the absorbent solution and accept indoor；
First absorbent solution spray piping, located at the absorbent solution exterior thereto, absorbent solution is accepted room and inhaled with first Solution spraying device is received to connect by the first absorbent solution spray piping；
First absorbent solution spray pump, on the first absorbent solution spray piping, accepts indoor by absorbent solution Absorbent solution the first absorbent solution spray equipment be delivered to by absorbent solution spray piping sprayed；
First absorbent solution heat exchanger, on the absorbent solution spray piping, the first absorbent solution heat exchanger Cold flow side be connected with absorbent solution spray piping, the generation heating agent for flowing through the hot-fluid side of the first absorbent solution heat exchanger adds Absorbent solution of the hot-fluid through cold flow side；
Working medium chamber, the working medium chamber connects absorbent solution by refrigerant vapor passage and sprays chamber；
First working fluid heat exchanger, in working fluid chamber room or outside working fluid chamber room, flows through the cold of the first working fluid heat exchanger Solidifying heating agent absorbs the condensation heat that refrigerant vapor condenses release in working fluid chamber room；
Working medium receiver is condensed, located at the bottom of the working medium chamber, the condensation working medium receiver, which is used to accept, to be condensed Working medium；
Working medium storage tank is condensed, for storing condensation working medium, the condensation working medium storage tank and described condensation working medium receiver Connected by the first condensation working medium pipeline, the condensation working medium that the condensation working medium receiver is accepted passes through the first condensation working medium pipeline It is delivered to the condensation working medium storage tank；
Working medium spray equipment is condensed, in the working fluid chamber room, the condensation working medium spray equipment is by condensing working medium Spray piping is connected with the condensation working medium storage tank；
Working medium spray pump is condensed, on condensation working medium spray piping, for the condensation working medium that will be condensed in working medium storage tank Condensation working medium spray equipment is delivered to be sprayed；
Second working fluid heat exchanger, condenses working medium spray on condensation working medium spray piping or in the working fluid chamber room The lower section of device, flows through the evaporation heating agent of the second working fluid heat exchanger to condense the condensation working medium in working medium storage tank in working fluid chamber room Evaporation provides institute's calorific requirement；
Second absorbent solution heat exchanger, it is described to inhale in absorbent solution spray chamber or outside absorbent solution chamber Receive the indoor absorbent solution of solution undertaking and be delivered to the work that the generation of spray-absorption working medium chamber is carried out in absorbent solution spray chamber During matter steam, the absorbent solution flows through the second absorbent solution heat exchanger outside absorbent solution chamber in course of conveying Hot-fluid side, absorbs heat to the absorption heating agent release on the cold flow side for flowing through the second absorbent solution heat exchanger and cools, or absorb Solution spraying is on the surface that the second absorbent solution heat exchanger in chamber is sprayed located at absorbent solution, to flowing through the second absorbent solution The absorption heating agent release of heat exchanger absorbs heat and cooled；
The air conditioning subsystem includes water knockout drum, the indoor set being connected with water knockout drum and the water collector being connected with indoor set, Wherein
The air conditioning subsystem is heating air-conditioner subsystem, the suction of the water knockout drum and the second absorbent solution heat exchanger Heating agent outlet connection is received, the water collector is connected with the absorption heating agent entrance of the second absorbent solution heat exchanger, flows through second The absorption heating agent that the absorption heating agent of absorbent solution heat exchanger is delivered in water knockout drum, water knockout drum is delivered to indoor set and heated, The absorption heating agent that absorption heating agent after being heated through indoor set is collected in water collector, water collector is delivered to the heat exchange of the second absorbent solution Device；And/or
The air conditioning subsystem is cooling air conditioning subsystem, the heat of evaporation of the water knockout drum and second working fluid heat exchanger Matchmaker outlet connection, the water collector is connected with the evaporation heating agent entrance of second working fluid heat exchanger, flows through the heat exchange of the second working medium The evaporation heating agent that the evaporation heating agent of device is delivered in water knockout drum, water knockout drum is delivered to indoor set and carries out cooling, through indoor set cooling The evaporation heating agent that evaporation heating agent afterwards is collected in water collector, water collector is delivered to the second working fluid heat exchanger；Or
The air conditioning subsystem is air conditioner subsystem, the suction of the water knockout drum and the second absorbent solution heat exchanger The evaporation heating agent outlet for receiving heating agent outlet and second working fluid heat exchanger is connected respectively, and the water collector absorbs with described second The absorption heating agent entrance of solution heat exchanger and the evaporation heating agent entrance of second working fluid heat exchanger are connected respectively, pass through valve control Freeze and circulation loop progress cooling is formed between warm air conditioner subsystem and second working fluid heat exchanger, pass through Valve controlling changes in temperature Circulation loop is formed between air conditioning subsystem and the second absorbent solution heat exchanger to be heated.
Preferably, the bottom that the absorbent solution accepts room is additionally provided with for filtering and carrying the hole that absorbent is crystallized Plate.
Preferably, the orifice plate is at least two, the outer edge of each orifice plate and absorbent solution accept room inwall it Between there is an opening, the opening that adjacent two orifice plate and absorbent solution are accepted between the inwall of room is oppositely arranged.
Preferably, when first working fluid heat exchanger is located at the working medium chamber interior, absorbent solution evaporation is produced Refrigerant vapor is directly contacted and condensed with first working fluid heat exchanger；First working fluid heat exchanger is located at the working medium chamber When outside, the first described working fluid heat exchanger is arranged on described condensation working medium spray piping, the heat of the first working fluid heat exchanger Fluid side is connected with condensation working medium spray piping, and the condensation heating agent for flowing through the cold flow side of the first working fluid heat exchanger passes through with flowing through The condensation working medium heat exchange absorption condensation heat on hot-fluid side.
Preferably, also including the second compressor and the second expansion valve, second compressor, the second expansion valve, first Absorbent solution heat exchanger and the first working fluid heat exchanger constitute the second vapor compression heat pump subsystem, and first absorbent solution is changed Hot device is connected as the compression heat pump condenser of the second vapor compression heat pump subsystem with the second compressor outlet, and described One working fluid heat exchanger is used as the compression heat pump evaporator of the second vapor compression heat pump subsystem and the entrance of the second compressor Connection, the first absorbent solution heat exchanger to first working fluid heat exchanger is sequentially connected subcooler and the second expansion valve, institute State second suction port of compressor one end or exit end is provided with temperature sensor, the second vapor compression heat pump subsystem and followed The refrigerant of ring flows through the hot-fluid side of the first absorbent solution heat exchanger as generation heating agent after the second compressor, The first working fluid heat exchanger is inputted as condensation heating agent behind hot-fluid side and the second expansion valve then in turn through subcooler, is flowed through The second compressor is inputted after first working fluid heat exchanger and completes one cycle, the cooling heating agent for flowing through subcooler cold flow side absorbs system The heat of cryogen.
Preferably, the energy supplying system also includes hot water supply subsystem, the hot water supply subsystem includes cooling Heat medium storage tank, the subcooler is connected by pipeline with cooling heat medium storage tank, and the cooling heating agent is in subcooler and cooling heating agent Circulated between storage tank, the cooling heating agent is water, and the cooling heat medium storage tank is also connected with hot water supply pipe and moisturizing pipeline.
Preferably, the cold fluid side outlet of the subcooler connects the water knockout drum of the air conditioning subsystem, the air-conditioning The water collector of subsystem connects the cold fluid side outlet of the subcooler, is formed between the air conditioning subsystem and the subcooler Circulation loop, valve of the circulation loop provided with control circulation loop break-make between the air conditioning subsystem and the subcooler Door.
Preferably, the second absorbent solution heat exchanger connects the cooling heat medium storage tank, second absorbent solution Circulation loop, the second absorbent solution heat exchanger and the cooling heating agent are formed between heat exchanger and the cooling heat medium storage tank Valve of the circulation loop provided with control circulation loop break-make between storage tank.
Preferably, the second absorbent solution heat exchanger is on the first absorbent solution spray piping, or, described the Two absorbent solution heat exchangers are on the second absorbent solution spray piping, and the absorbent solution is accepted indoor absorbent solution and passed through The second absorbent solution spray piping outside absorbent solution chamber is delivered to the second suction sprayed located at absorbent solution in chamber Solution spraying device is received to be sprayed.
Preferably, also include the first vapor compression heat pump subsystem, second working fluid heat exchanger and the steam The cold flow side connection of the condenser of compression-type refrigeration subsystem, or second working fluid heat exchanger are used as the first steam compression type The condenser of heat pump subsystem, condenses working medium from the refrigerant suction heat for flowing through second working fluid heat exchanger or condenser And evaporate.First vapor compression heat pump subsystem is air source heat pump system or water source heat pump system, when the first vapour pressure When contracting formula heat pump subsystem is air source heat pump system, flow through the refrigerant of the first vapor compression heat pump subsystem evaporator from Atmospheric Absorption heat and evaporate, when the first vapor compression heat pump subsystem be water source heat pump system when, flow through the first vapour pressure The refrigerant of contracting formula heat pump subsystem evaporator evaporates from absorption heat.
Preferably, the cooling heating agent is running water, heat supply backwater or cooling water, by using running water as cold But heating agent can provide a user domestic hot-water, and by using heat supply backwater as cooling heating agent can the low valley power storage period to User heats.
Preferably, described working medium is water；Described absorbent is LiBr, LiNO3, LiCl and CaCl2Any of Or two or more mixtures；The refrigerant of the first and second described vapor compression heat pump subsystem is R22 or R134a Deng.
The utility model has advantage and beneficial effect as is evident below compared with prior art：
(1) environment and social benefit are good.The utility model passes through absorption heat pump subsystem and the second steam compression type heat Pump subsystem with trough-electricity come energy storage, and by energize process using the energy of storage as air-conditioning system cold or heat to Family is supplied, and can also be supplied separately to domestic hot-water in spring and autumn, so that " peak load shifting " effect of whole year has been played, with good Environment and social benefit；
(2) energy storage density is high.Absorption heat pump subsystem of the present utility model uses saturated absorption solution, with trough-electricity In the thermal energy storage process of driving force, by the generation and the condensation of refrigerant vapor of saturated absorption solution, will to increase in the course of work Absorbent solution be re-converted into absorbent crystallization and condensation working medium store respectively.The utility model is accepted in absorbent solution Interior is provided with the orifice plate of multilayer to filter and carry absorbent crystallization, due to flowing through orifice plate containing the absorbent solution that absorbent is crystallized There are two kinds of flow channels during layer, one is the vertical channel for flowing through orifice plate filter opening, and two are parallel to the horizontal channel of orifice plate, thus Blocking is crystallized even if the filter opening of upper strata orifice plate will not also produce big flow resistance.Therefore, Crystallization Separation of the present utility model The flow resistance of absorbent solution can be not only substantially reduced with storing mode, while can also realize that the high density of absorbent crystallization stores Deposit.Along with when using water as working medium, because the latent heat of phase change between condensed water and vapor is up to a 2500kJ/kg left sides The right side, so as to reach very high energy storage density；
(3) energy efficiency is high.Because condensation working medium and absorbent crystallization can be preserved at normal temperatures, thus heat or cold Loss it is few.When carrying out energy storage to trough-electricity comprising the second vapor compression heat pump subsystem, due to second steam compressed The evaporating temperature of formula heat pump subsystem is higher (5 DEG C or so), thus heat supply COP is that Energy Efficiency Ratio is high；
(4) it is good in economic efficiency.Because absorption heat pump subsystem is driven with cheap trough-electricity, and Energy Efficiency Ratio Height, can also be operated whole year, therefore this energy supplying system has good economy；
(5) the first absorbent solution heat exchanger is placed in the outside of absorbent solution chamber by the utility model, by absorbing molten Absorbent solution after liquid sprays chamber to being heated through the first solution heat exchanger carries out adiabatic flash, makes absorbent solution because of flash concentration Occur supersaturation crystallization with cooling is flashed, thus the generation absorption on the heat-transfer surface of the first absorbent solution heat exchanger can be avoided Agent crystallizes and causes heat and mass obstacle, is particularly advantageous in occurring the absorbent solution of saturation.
Brief description of the drawings
Fig. 1 is the structural representation of the energy supplying system based on low valley power storage of the utility model embodiment 1.
Fig. 2 is the structural representation of the energy supplying system based on low valley power storage of the utility model embodiment 2.
Fig. 3 is the structural representation of the energy supplying system based on low valley power storage of the utility model embodiment 3.
Fig. 4 is the structural representation of the energy supplying system based on low valley power storage of the utility model embodiment 4.
Fig. 5 is the structural representation of the energy supplying system based on low valley power storage of the utility model embodiment 5.
Fig. 6 is the structural representation of the energy supplying system based on low valley power storage of the utility model embodiment 6.
Fig. 7 is the structural representation of the energy supplying system based on low valley power storage of the utility model embodiment 7.
Embodiment
The utility model is described in further detail with reference to specific embodiment, but not as to of the present utility model Limit.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same embodiment.In addition, one or Special characteristic, structure or feature in multiple embodiments can be combined by any suitable form.
Fig. 1 to Fig. 7 is the structural representation of the not be the same as Example of the energy supplying system of the present utility model based on low valley power storage Figure.Referring to Fig. 1 to Fig. 7, the energy supplying system based on low valley power storage, including absorption heat pump subsystem and air conditioning subsystem, inhale Receipts formula heat pump subsystem includes：
Absorbent solution chamber 2, is made up of two parts up and down, and top is that absorbent solution sprays chamber 201, and bottom is molten to absorb Liquid accepts room 202；
First absorbent solution spray equipment 3, chamber 201 is sprayed located at absorbent solution, and absorbent solution absorbs molten by first Liquid spray equipment 3 falls in the absorbent solution that absorbent solution is sprayed after generation refrigerant vapor, evaporation and concentration are sprayed and flashed in chamber Accepted to absorbent solution in room 202；
Absorbent solution spray piping 7, outside absorbent solution chamber 2, absorbent solution accepts room 202 and absorbs molten with first Liquid spray equipment 3 is connected by absorbent solution spray piping 7；
First absorbent solution spray pump 6, on absorbent solution spray piping 7, the suction in room 202 is accepted by absorbent solution Receipts solution is delivered to the first absorbent solution spray equipment 3 by absorbent solution spray piping 7 and sprayed；
First absorbent solution heat exchanger 30, on absorbent solution spray piping 7, the first absorbent solution heat exchanger 30 it is cold Fluid side is connected with absorbent solution spray piping 7, and the generation heating agent for flowing through the hot-fluid side of the first absorbent solution heat exchanger 30 adds Absorbent solution of the hot-fluid through cold flow side；
Working medium chamber 22, working medium chamber 22 connects absorbent solution by refrigerant vapor passage 14 and sprays chamber 201；
First working fluid heat exchanger 50, in working medium chamber 22 or outside working medium chamber 22, flows through the heat exchange of the first working medium The condensation heating agent of device 50 absorbs the condensation heat of refrigerant vapor condensation release in working medium chamber 22；
Working medium receiver 24 is condensed, located at the bottom of working medium chamber 22, condensation working medium receiver 24 is used to accept condensation work Matter；
Working medium storage tank 26 is condensed, for storing condensation working medium, condensation working medium storage tank 26 passes through with condensation working medium receiver 24 First condensation working medium pipeline 25 is connected, and the condensation working medium that condensation working medium receiver 24 is accepted is defeated by the first condensation working medium pipeline 25 Deliver to condensation working medium storage tank 26；
Working medium spray equipment 41 is condensed, in working medium chamber 22, condensation working medium spray equipment 41 sprays by condensing working medium Shower pipe road 28 is connected with condensation working medium storage tank 26；
Working medium spray pump 27 is condensed, it is cold in working medium storage tank 26 for that will condense on condensation working medium spray piping 28 Solidifying working medium is delivered to condensation working medium spray equipment 41 and sprayed；
Second working fluid heat exchanger 60, the condensation working medium spray on condensation working medium spray piping 28 or in working medium chamber 22 The lower section of shower device 41, flows through the evaporation heating agent of the second working fluid heat exchanger 60 to condense the condensation working medium in working medium storage tank 26 in work Evaporation provides institute's calorific requirement in matter chamber 22；
Second absorbent solution heat exchanger 40, in absorbent solution spray chamber 201 or outside absorbent solution chamber 2, The absorbent solution that absorbent solution is accepted in room 202 is delivered in absorbent solution spray chamber 201 and carries out spray-absorption working medium chamber During the refrigerant vapor of 22 generations, absorbent solution flows through the second absorbent solution outside absorbent solution chamber 2 in course of conveying The hot-fluid side of heat exchanger 40, to the cold flow side for flowing through the second absorbent solution heat exchanger 40 absorption heating agent release absorb heat and Cooling, or absorbent solution are sprayed on the surface that the second absorbent solution heat exchanger 40 in chamber 201 is sprayed located at absorbent solution, to The absorption heating agent release for flowing through the second absorbent solution heat exchanger 40 absorbs heat and cooled；
Air conditioning subsystem includes water knockout drum, the indoor set being connected with water knockout drum and the water collector being connected with indoor set, wherein, Air conditioning subsystem can be heating air-conditioner subsystem (being only capable of heating), or cooling air conditioning subsystem (is only capable of cooling), or Person can also be air conditioner subsystem (can heat and can cooling).Absorption heat pump subsystem can be only sub with heating air-conditioner One in system, cooling air conditioning subsystem and air conditioner subsystem is combined.And to realize can heat can cooling when, Absorption heat pump subsystem is then needed while being combined with heating air-conditioner subsystem and cooling air conditioning subsystem, or absorption heat pump System is combined with air conditioner subsystem.Below with regard to the specific combination side of different air conditioning subsystems and absorption heat pump subsystem Formula is illustrated.
When the circulation loop for absorbing heating agent is formed between air conditioning subsystem and the second absorbent solution heat exchanger, air conditioning subsystem As heating air-conditioner subsystem.Referring to Fig. 2 and Fig. 3, as follows, the suction of water knockout drum and the second absorbent solution heat exchanger 40 is specifically connected Heating agent outlet connection is received, water collector is connected with the absorption heating agent entrance of the second absorbent solution heat exchanger 40, flows through the second absorption molten The absorption heating agent that the absorption heating agent of liquid heat exchanger 40 is delivered in water knockout drum, water knockout drum is delivered to indoor set and heated, through room The absorption heating agent that absorption heating agent after interior machine heating is collected in water collector, water collector is delivered to the second absorbent solution heat exchanger 40.In order to realize that absorb heating agent preferably circulates in the circulation loop, sets circulating pump 100 on the loop.Circulating pump 100 The general water collector that is located at is exported on the pipeline of side.The suction for the working substance steam release that the evaporation of absorbent solution absorption condensation working medium is obtained Receive heat to be absorbed by absorption heating agent by the second absorbent solution heat exchanger, absorb heating agent and heated when by indoor set.
When the circulation loop of evaporation heating agent is formed between air conditioning subsystem and the second working fluid heat exchanger, air conditioning subsystem is Cooling air conditioning subsystem.Referring to Fig. 1, specific connection is as follows, and the evaporation heating agent outlet of water knockout drum and the second working fluid heat exchanger 60 connects Connect, water collector is connected with the evaporation heating agent entrance of the second working fluid heat exchanger 60, flows through the evaporation heating agent of the second working fluid heat exchanger 60 The evaporation heating agent being delivered in water knockout drum, water knockout drum is delivered to indoor set and carries out cooling, the evaporation heating agent after indoor set cooling The evaporation heating agent being collected in water collector, water collector is delivered to the second working fluid heat exchanger 60.Heat of evaporation is provided for condensation working medium Evaporation heating agent when flowing through indoor set to outside provide cold, carry out cooling.Equally, circulation is set in the outlet side of water collector Pump 100.
Air conditioning subsystem is both connected with the second absorbent solution heat exchanger, and is connected with the second working fluid heat exchanger, passes through valve Control to form the circulation loop realization heating for absorbing heating agent between air conditioning subsystem and the second absorbent solution heat exchanger, or pass through valve The circulation loop that evaporation heating agent is formed between gate control air conditioning subsystem and the second working fluid heat exchanger realizes cooling, now air-conditioning System is air conditioner subsystem, can not only have been heated but also can cooling.Referring to Fig. 5 to Fig. 7, water knockout drum and the second absorbent solution exchange heat The absorption heating agent outlet of device 40 and the evaporation heating agent outlet of the second working fluid heat exchanger 60 are connected respectively, and water collector absorbs molten with second The absorption heating agent entrance of liquid heat exchanger 40 and the evaporation heating agent entrance of the second working fluid heat exchanger 60 are connected respectively, pass through Valve controlling Circulation loop is formed between air conditioner subsystem and the second working fluid heat exchanger 60 and carries out cooling, passes through Valve controlling air conditioner Circulation loop is formed between subsystem and the second absorbent solution heat exchanger 40 to be heated.Specific pipe design, can be the Two working fluid heat exchangers 60 and the second absorbent solution heat exchanger 40 are connected by each independent pipeline with water knockout drum and water collector respectively Connect and form circulation loop respectively, valve then is set on respective circulation loop, as desired by Valve controlling which Circulation loop is turned on, so as to realize heating or cooling.Or water knockout drum and water collector are realized and the by three-way solenoid valve respectively Two working fluid heat exchangers 60 and the second absorbent solution heat exchanger 40 are connected, and then pass through electromagnetic cross valve control air conditioning subsystem and The circulation loop conducting formed between two absorbent solution heat exchangers 40 is heated, or passes through electromagnetic cross valve control air-conditioning subsystem Cooling is realized in the circulation loop conducting formed between system and the second working fluid heat exchanger 60.As shown in figure 5, water collector passes through the first electricity Magnetic triple valve 101 connects evaporation heating agent entrance and the absorption of the second absorbent solution heat exchanger 40 of the second working fluid heat exchanger 60 respectively Heating agent entrance, water knockout drum by the second three-way solenoid valve 104 connect respectively the second working fluid heat exchanger 60 evaporation heating agent outlet and The absorption heating agent outlet of second absorbent solution heat exchanger 40.
The utility model passes through absorption heat pump subsystem by the way that absorption heat pump subsystem and air conditioning subsystem are combined System carries out accumulation of energy with trough-electricity, so as to reduce the operating cost of air-conditioning system.And due to absorption heat pump subsystem essence On be to be driven with cheap trough-electricity, therefore system of the present utility model has good economy.The utility model is adopted Thermal energy storage process is carried out with trough-electricity, saturated absorption solution is made by the first absorbent solution heat exchanger 30 and the first working fluid heat exchanger 50 Occur and refrigerant vapor condensation, be re-converted into absorbent crystallization and condensation working medium stores realize energy storage respectively.Work as use When water is as working medium, because the latent heat of phase change between condensed water and vapor is up to 2500kJ/kg or so, along with absorbent knot Crystalline substance, can reach very high energy storage density.Due to condensation working medium and absorbent crystallization can preserve at normal temperatures, thus heat or The loss of cold is few.The operation ratio of the utility model equipment is high, the effect of " peak load shifting " is big, good in economic efficiency.This practicality First absorbent solution heat exchanger is placed in the outside of absorbent solution chamber by new embodiment, by spraying chamber pair in absorbent solution Absorbent solution after being heated through the first absorbent solution heat exchanger 30 carries out adiabatic flash, makes absorbent solution because of flash concentration and flash distillation Cooling and occur supersaturation crystallization, can avoid on the heat-transfer surface of the first absorbent solution heat exchanger 30 produce absorbent crystallization and Cause heat and mass obstacle, be particularly advantageous in occurring the absorbent solution of saturation.In addition, the first absorbent solution heat exchanger 30 It is external to use contra-flow heat exchanger, it is thus possible to which that more efficient utilization alternating temperature occurs thermal source, alternating temperature absorbent solution and alternating temperature and steamed Pyrotoxin, it is specific to occur heating agent including water, the aqueous solution, non-freezing solution, conduction oil, air, process gas, superheated steam and contain Steam of on-condensible gas etc..In the utility model embodiment, the absorbent solution in absorbent solution chamber keeps saturation state.
In the utility model embodiment, absorbent solution chamber 2 uses upper in same container, the container with working medium chamber 22 Portion is working medium chamber 22, and bottom is absorbent solution chamber 2, and refrigerant vapor is formed between condensation working medium receiver 24 and container inner wall Passage 14.
As the preferred of above-described embodiment, the bottom that absorbent solution accepts room 202 is additionally provided with for absorbent crystallization to be divided From equipment for separating liquid from solid.By setting equipment for separating liquid from solid to separate absorbent crystallization from absorbent solution, it can not block up The storage density of absorbent crystallization is further significantly improved on the premise of plug absorbent solution flowing, it is thus possible to reach very high storage Can density.The specific configuration of equipment for separating liquid from solid is not limited, as long as can separate absorbent crystallization from absorbent solution, Avoid the flowing and circulation of absorbent crystallization influence absorbent solution.The equipment for separating liquid from solid that the present embodiment is provided it is a kind of excellent The orifice plate 4 for selecting embodiment to filter and carrying absorbent is crystallized.By accepting room 202 in absorbent solution, 4 pairs of absorptions of orifice plate are set Agent crystallization is separated by filtration, and carries the absorbent crystallization filtered to isolate, can effectively improve open ended suction in system The amount of agent crystallization is received, energy storage density is improved.In order to further improve the effect for being separated by filtration and carrying of orifice plate 4, the present embodiment Further room 202 being accepted in absorbent solution and at least two orifice plates 4 being set, outer edge and the absorbent solution of each orifice plate 202 are accepted There is an opening 5, adjacent two orifice plate 4 and absorbent solution accept the opening 5 between the inwall of room 202 between the inwall of room 202 It is oppositely arranged.The opening on neighbouring two orifice plates is arranged on opposite side in the present embodiment so that absorbent crystallization needs The mobile distance grown as far as possible can be just fallen on next orifice plate 4 on orifice plate 4, and this, which allows for accumulating on each orifice plate 4, to the greatest extent may be used Absorbent crystallization more than energy.It ensure that the bottom of absorbent solution undertaking room 202 does not have absorbent crystallization substantially simultaneously, improving While energy storage density, the flowing and circulation of absorbent solution are not interfered with.Due to flowing through hole containing the absorbent solution that absorbent is crystallized There are two kinds of flow channels during flaggy, one is the vertical channel for flowing through the filter opening of orifice plate 4, and two are parallel to the horizontal channel of orifice plate, Blocking is thus crystallized even if the filter opening of upper strata orifice plate will not also produce big flow resistance.Therefore, Crystallization Separation and storage side Formula can not only substantially reduce the flow resistance of absorbent solution, while can also realize that the high density of absorbent crystallization is stored, so that Reach very high energy storage density.
Condensation working medium is stored using condensation working medium storage tank 26 in the utility model embodiment, working medium receiver 24 will be condensed Condensation working medium store function be transferred to condensation working medium storage tank 26, the volume of a container to form working medium chamber 22 can be reduced, together When avoid the operation that excessive condensation working medium remains in influence system in working medium chamber 22.
First working fluid heat exchanger 50 can be arranged on inside working medium chamber 22 and can also be arranged on outside working medium chamber 22.Ginseng See Fig. 1 to Fig. 7, when the first working fluid heat exchanger 50 is located at working medium 22 inside of chamber, the work produced in absorbent solution spray chamber 201 Matter steam enters the realization that is directly in contact after working medium chamber 2 with the surface of the first working fluid heat exchanger 50 by refrigerant vapor passage 14 Condensation heating agent heat exchange with flowing through the first working fluid heat exchanger 50, refrigerant vapor condenses and discharges condensation heat, and condensation heat is by condensation heat Matchmaker absorbs and taken away., it is necessary to which pipeline (can borrow condensation working medium spray when first working fluid heat exchanger 50 is located at working medium 22 outside of chamber Shower pipe road 28) by working medium chamber 22 obtain and be stored in condensation working medium storage tank 26 in condensation working medium through the first working fluid heat exchanger It is delivered in working medium chamber 22 and is sprayed behind 50 hot-fluid side, the cold fluid effluent of the first working fluid heat exchanger 50 crosses condensation heat Matchmaker, flows through the condensation heat of the condensation heating agent absorption condensation working medium carrying on the cold flow side of the first working fluid heat exchanger 50 and takes away.Condensation Sprayed and molten with carrying out self-absorption in working medium chamber 22 after the cold that working medium passes through the absorption condensation heating agent of the first working fluid heat exchanger 50 The refrigerant vapor of liquid spray chamber 201 is in contact, and condenses refrigerant vapor and discharges condensation heat.Condense working medium and carry working substance steam The condensation heat of condensation release is fallen into condensation working medium receiver 24, and is delivered to condensation working medium storage along the first condensation working medium pipeline 25 Tank 26.The top of working medium chamber 22 condenses working medium when being used for energy storage provided with spray equipment (can borrow condensation working medium spray equipment 41) Spray.
As the preferred of any of the above-described embodiment, referring to Fig. 1 to Fig. 7, the utility model embodiment is stored based on trough-electricity The energy supplying system of energy also includes the second compressor 90 and the second expansion valve 95, and the second compressor 90, the second expansion valve 95, first are inhaled Receive the working fluid heat exchanger 50 of solution heat exchanger 30 and first and constitute the second vapor compression heat pump subsystem, the heat exchange of the first absorbent solution Device 30 is connected as the compression heat pump condenser of the second vapor compression heat pump subsystem with the outlet of the second compressor 90, and first Working fluid heat exchanger 50 is used as the compression heat pump evaporator of the second vapor compression heat pump subsystem and entering for the second compressor 90 Mouth connection, the working fluid heat exchanger 50 of the first absorbent solution heat exchanger 30 to the first is sequentially connected the expansion valve 95 of subcooler 92 and second, The entrance one end of second compressor 90 or exit end are provided with temperature sensor 98, the second vapor compression heat pump subsystem interior circulation Refrigerant it is after 90s by the second compressor, flow through the hot-fluid side of the first absorbent solution heat exchanger 30 as occurring heating agent, so The hot-fluid side and the second expansion valve 95 for sequentially passing through subcooler 92 afterwards are adjusted after flow as condensation heating agent the first working medium of input Heat exchanger 50, flows through and the second compressor 90 completion one cycle is inputted after the first working fluid heat exchanger 50, flow through the cold flow of subcooler 92 The heat of the cooling heating agent absorption refrigeration agent on side.This embodiment introduces the second vapor compression heat pump subsystem, due to The evaporating temperature of two vapor compression heat pump subsystems is higher (5 DEG C or so), when the first working fluid heat exchanger 50 is external, the first work The cold fluid side joint of matter heat exchanger 50 enters the second vapor compression heat pump subsystem, the hot-fluid side of the first working fluid heat exchanger 50 with Condensation working medium spray piping 28 is connected.And when built in the first working fluid heat exchanger 50, referring to figs. 1 to Fig. 7, the first working fluid heat exchanger 50 entrance and exit is directly accessed the second vapor compression heat pump subsystem.Temperature sensor 98 is set to grasp second in time The temperature change of refrigerant in vapor compression heat pump subsystem, when the threshold value more than setting, can be flowed through by increase Cooler 92 cools down flow rate of heat medium to control the temperature of refrigerant.Or, it is provided for surveying in vapor compression heat pump subsystem The pressure sensor of refrigerant pressure is customized, the cooling heat for flowing through subcooler 92 is adjusted by grasping refrigerant pressure change in time Matchmaker's flow.According to the specific cooling heating agent of use, subcooler 92 connects appropriate cooling heating agent by cooling down heating agent pipeline 93 Equipment is provided.Cooling down heating agent can be using running water, heat supply backwater or cooling water etc..
As the preferred of above-described embodiment, the energy supplying system based on low valley power storage of the utility model embodiment also includes Hot water supply subsystem, hot water supply subsystem includes cooling heat medium storage tank 110, the cold flow side of subcooler 92 by pipeline with Cooling heat medium storage tank 110 is connected, and cooling heating agent is circulated between subcooler 92 and cooling heat medium storage tank 110, and cooling heating agent is water, Cooling heat medium storage tank 110 is also connected with hot water supply pipe 118 and moisturizing pipeline 117.The present embodiment is by using running water conduct Cooling heating agent provides a user domestic hot-water.The output channel of heat medium storage tank 110 is cooled down provided with cooling heat medium circulation pump 111, To realize cooling heating agent circulation.
The condensation working medium evaporation that the evaporation heating agent of the second working fluid heat exchanger 60 is flowed through for storage in condensation working medium storage tank is provided Institute's calorific requirement, is absorbed by the second working fluid heat exchanger 60 after the heat for evaporating heating agent, and part condensation working medium is evaporated to working medium steaming Gas, the evaporation heating agent for providing heat of evaporation for condensation working medium is provided out cold.Second working fluid heat exchanger 60 can be and air-conditioning Subsystem is connected, and passes through the outside released cold quantity of air conditioning subsystem.Or the utility model embodiment based on low valley power storage Energy supplying system also includes the first vapor compression heat pump subsystem, the second working fluid heat exchanger 60 and the first vapor compression heat pump The condenser connection of system, or the second working fluid heat exchanger is as the condenser of the first vapor compression heat pump subsystem, condenses work Matter is evaporated from the refrigerant suction heat for flowing through second working fluid heat exchanger or condenser so that be used as in warm season The condensation temperature and pressure ratio of first vapor compression heat pump subsystem of one-level heat pump are greatly reduced, so as to significantly improve Use the heat supply COP of the first vapor compression heat pump subsystem of non-trough-electricity.First vapor compression heat pump subsystem is sky Air supply heat pump system or water source heat pump system, when the first vapor compression heat pump subsystem is air source heat pump system, stream Refrigerant through the first vapor compression heat pump subsystem evaporator 132 evaporates from Atmospheric Absorption heat, when the first vapour pressure When contracting formula heat pump subsystem is water source heat pump system, the refrigerant of the first vapor compression heat pump subsystem evaporator 132 is flowed through Heat is absorbed from water and is evaporated.
Specifically, as shown in Fig. 2 the second working fluid heat exchanger 60 as the first vapor compression heat pump subsystem condenser Outlet with the first compressor 133 is connected, and the refrigerant of the first vapor compression heat pump subsystem interior circulation is by the first compression After machine 133, the second working fluid heat exchanger 60 is inputted as evaporation heating agent, it is condensation to flow through the evaporation heating agent of the second working fluid heat exchanger 60 Condensation working medium in working medium storage tank 26 is evaporated in working medium chamber 22 provides institute's calorific requirement, and heat of evaporation is provided for condensation working medium Evaporation heating agent inputs evaporator 132 after the first expansion valve 131, and the first compressor is inputted by the refrigerant of evaporator 132 133 complete one cycle, and cold-producing medium stream is through from outside, heat absorption is evaporated during evaporator 132.Or referring to Fig. 3, Fig. 4, Fig. 6 and Fig. 7, Second working fluid heat exchanger 60 is connected with the cold flow side of the condenser 141 of the first vapor compression heat pump subsystem, the second working medium Circulation loop is formed between heat exchanger 60 and condenser 141.Evaporate heating agent real by the circulating pump 140 on the circulation loop Circulated between the condenser 141 of the present vapor compression heat pump subsystem of second working fluid heat exchanger 60 and first.
Alternatively, referring to Fig. 5, the can be set in the lower section of condensation working medium spray equipment 41 in the working medium chamber 22 Three working fluid heat exchangers 130, the purposes and operation principle of the 3rd working fluid heat exchanger 130 are referring to the second working fluid heat exchanger 60.With the 3rd Working fluid heat exchanger 130 is connected with the condenser 141 of the first vapor compression heat pump subsystem, or the second working fluid heat exchanger is used as The condenser of one vapor compression heat pump subsystem.Specific connection can be found in steams above for the second working fluid heat exchanger 60 and first The description of gas compression heat pump subsystem connection.
Referring to Fig. 6 and Fig. 7, the first vapor compression heat pump subsystem was not only connected in the second working fluid heat exchanger 60 but also had connected sky During sub-system, equally, the second working fluid heat exchanger 60 can be by each independent pipeline respectively with the first steam compression type Heat pump subsystem and air conditioning subsystem connection, so as to form relatively independent circulation loop respectively, are then recycled back to respective Valve is set on road, as desired by Valve controlling the second working fluid heat exchanger 60 and the first vapor compression heat pump subsystem it Between circulation loop and the second working fluid heat exchanger 60 and air conditioning subsystem between circulation loop in one or two conducting.Or The second working fluid heat exchanger of person 60 is realized with controlling air conditioning subsystem and the first vapor compression heat pump subsystem by three-way solenoid valve System forms circulation loop respectively, then passes through electromagnetic cross valve control the second working fluid heat exchanger 60 and the first vapor compression heat pump One or two in the circulation loop between circulation loop and the second working fluid heat exchanger 60 and air conditioning subsystem between subsystem Individual conducting.Fig. 6 and Fig. 7 are referred to using three-way solenoid valve connection, the evaporation heating agent entrance of the second working fluid heat exchanger 60 passes through the Seven three-way solenoid valves 144 connect the water collector of air conditioning subsystem and the condenser of the first vapor compression heat pump subsystem respectively The outlet on 141 cold flow side, the evaporation heating agent outlet of the second working fluid heat exchanger 60 is connected respectively by the 8th three-way solenoid valve 145 Connect the entrance on the cold flow side of the water knockout drum of air conditioning subsystem and the condenser 141 of the first vapor compression heat pump subsystem.
Absorbent solution absorption condensation working medium evaporates the refrigerant vapor to be formed and heats up and dilute, and the absorbent solution after heating is led to Cross the second absorbent solution heat exchanger 40 and discharged to the absorption heating agent for flowing through the second absorbent solution heat exchanger and absorb heat, absorb absorption The absorption heating agent outward supplying heat of heat, the absorbent solution solution absorption agent after dilution is crystallized and recovered to saturated concentration.According to use Absorption heating agent and concrete condition, the second absorbent solution heat exchanger 40 can be connected with air conditioning subsystem, pass through air conditioning subsystem Outwards heating.Or referring to Fig. 1 and Fig. 4 to Fig. 7, the second absorbent solution heat exchanger 40 can also be with cooling heat medium storage tank 110 Connection, absorbs heating agent and is circulated between the second absorbent solution heat exchanger 40 and cooling heat medium storage tank 110.Equally, heating agent is absorbed to adopt When using running water, cooling heat medium storage tank 110 can provide domestic hot-water by hot water supply pipe 118.Certainly, the embodiment can To be combined with a upper embodiment, that is, cool down heat medium storage tank 110 and connect the second absorbent solution heat exchanger 40 and subcooler 92 respectively.This When, absorb heating agent and cooling heating agent uses same heating agent.Heat medium storage tank 110 is cooled down by Valve controlling to change with the second absorbent solution Between hot device 40 circulation loop conducting or cooling heat medium storage tank 110 and subcooler 92 between circulation loop turn on, or this two Individual circulation loop is both turned on.Equally, as one kind selection, cooling heat medium storage tank 110 can respectively be connected by three-way solenoid valve Second absorbent solution heat exchanger 40 and subcooler 92, and pass through the conducting of electromagnetic cross valve control circulation loop.Specific pipeline Design can be the absorbent solution heat exchanger 40 of subcooler 92 and second respectively by each independent pipeline and cooling heat medium storage tank 110 connections form circulation loop respectively, and (the absorption heating agent for referring to the second absorbent solution heat exchanger 40 in Fig. 4 is exported to cooling heat The pipeline connected mode of matchmaker's storage tank 110), valve then is set on respective circulation loop, as desired by Valve controlling Which circulation loop conducting.Or as shown in Fig. 1, Fig. 5 and Fig. 6, cooling heat medium storage tank 110 passes through the 3rd three-way solenoid valve 112 connect the absorption of the entrance (cold fluid side entrance) and the second absorbent solution heat exchanger 40 of the cooling heating agent of subcooler 92 respectively The entrance of heating agent, cooling heat medium storage tank 110 connects going out for the cooling heating agent of subcooler 92 by the 4th three-way solenoid valve 113 respectively The outlet of the absorption heating agent of mouth (cold fluid side outlet) and the second absorbent solution heat exchanger 40.
Equally, air conditioning subsystem can also be connected with subcooler 92.Air conditioning subsystem and the second absorbent solution heat exchanger 40 It can be connected respectively by each independent pipeline between subcooler 92, form circulation loop respectively, then followed respective Valve is set in loop back path, and as desired by Valve controlling, wherein one or two circulation loop is turned on.Or air-conditioning subsystem System connects the second absorbent solution heat exchanger 40 and subcooler 92 respectively by three-way solenoid valve, to form circulation loop respectively, and Realize that wherein one or two circulation loop is turned on by three-way solenoid valve.Fig. 2 to Fig. 7 is for details, reference can be made to, air conditioning subsystem Water collector connects the entrance (cold fluid side entrance) and the of the cooling heating agent of subcooler 92 by the 5th three-way solenoid valve 108 respectively The entrance of the absorption heating agent of two absorbent solution heat exchangers 40, the water knockout drum of air conditioning subsystem passes through 107 points of the 6th three-way solenoid valve Not Lian Jie subcooler 92 cooling heating agent outlet (cold fluid side outlet) and the second absorbent solution heat exchanger 40 absorption heating agent Outlet.When air conditioning subsystem is condensation air conditioning subsystem, referring to Fig. 5 to Fig. 7, pass through the first three-way solenoid valve 101, second Three-way solenoid valve 104, the 5th three-way solenoid valve 108 and the 6th three-way solenoid valve 107 can realize that air conditioning subsystem and second is inhaled Which circulation loop conducting in solution heat exchanger 40, the second working fluid heat exchanger 60 and subcooler 92 received.
In addition, reference picture 7 is alternatively, the second absorbent solution spray in absorbent solution spray chamber 201 The 3rd absorbent solution heat exchanger 150 is set up in the lower section of device 40, and effect, energy supply and the work of the 3rd absorbent solution heat exchanger 150 are former Reason etc. refers to the second absorbent solution heat exchanger 40.3rd absorbent solution heat exchanger 150 is connected with cooling heat medium storage tank 110.When Cooling heat medium storage tank 110 is also connected with the absorbent solution of subcooler 92 and/or second while connecting the 3rd absorbent solution heat exchanger 150 During heat exchanger 40, equally or by setting valvular different relatively independent circulation loop realize.Or cooling heat Matchmaker's storage tank 110 receives solution heat exchanger 40, and the 3rd absorbent solution with subcooler 92 and/or second respectively by three-way solenoid valve Heat exchanger 150 is connected.As shown in fig. 7, exemplified by cooling down heat medium storage tank 110 and convey, being provided with for cooling heat medium storage tank 110 cools down heat The main output channel of matchmaker's circulating pump 111 first connects the 9th three-way solenoid valve 153, and the 9th three-way solenoid valve 153 connects the 3rd respectively The entrance of the absorbent solution heat exchanger 150 of three-way solenoid valve 112 and the 3rd, as described by above example, the 3rd electromagnetic three-way Valve 112 connects the cooling heating agent entrance of subcooler 92 and second and receives the absorption heating agent entrance of solution heat exchanger 40 respectively.
The evaporation of condensation working medium is carried out in working medium evaporation cavity room, and absorbent solution absorbs refrigerant vapor in absorbent solution chamber It is interior to carry out.Second working fluid heat exchanger and the second absorbent solution heat exchanger can be internal or external.
Condensation working medium in condensation working medium storage tank 26 passes through the second working fluid heat exchanger and the steaming for flowing through the second working fluid heat exchanger Heating matchmaker is exchanged heat, and is absorbed after the heat that evaporation heating agent is provided, condensation working medium is evaporated to refrigerant vapor.
Its specific configuration is illustrated below by the not be the same as Example of cryogenic refrigerating system, for further understanding The technical solution of the utility model.
When second absorbent solution heat exchanger 40 is external, i.e. when the second absorption heat-exchange device 40 is located at absorbent solution 2 outside of chamber, Absorb the cold flow side that heating agent flows through the second absorbent solution heat exchanger 40.Absorbent solution can be realized in absorption by different modes Absorption condensation working medium evaporates the refrigerant vapor to be formed and heats up and dilute in solution chamber 2, and the absorbent solution after heating passes through Two absorbent solution heat exchangers discharge to the absorption heating agent for flowing through the second absorbent solution heat exchanger and absorb heat, absorb the suction for absorbing heat Heating agent outward supplying heat is received, the absorbent solution solution absorption agent after dilution is crystallized and recovered to saturated concentration.First absorbent solution is sprayed Shower pipe road 7 connects the hot-fluid side of the second absorbent solution heat exchanger 40, and absorbent solution is to flowing through the second absorbent solution heat exchanger 40 The absorption heating agent release on cold flow side absorb heat and cool, absorb and absorb hot absorption heating agent outward supplying heat, after cooling Absorbent solution is delivered to after the first absorbent solution spray equipment 3 spray, the working medium that absorption condensation working medium is produced in working fluid chamber room Steam and heat up and dilute.Certainly, as shown in Figures 1 to 7, the second absorbent solution spray piping 9 can be also set to convey in addition Absorbent solution to the second absorbent solution spray equipment 43 in absorbent solution spray chamber 201 is sprayed, absorption condensation Refrigerant vapor that working medium is produced in working fluid chamber room and heat up and dilute.When second absorbent solution heat exchanger 40 is external, its hot-fluid The second absorbent solution spray piping 9 is accessed on side.Second absorbent solution spray piping 9 is provided with the second absorbent solution spray pump 8, Certainly, the second absorbent solution spray piping 9 also can share a pump with the first absorbent solution spray piping 7, that is, share first and inhale Receive solution spraying pump 6.When built in the second absorbent solution heat exchanger 40, i.e. the second absorbent solution heat exchanger 40 is located at absorbent solution chamber During 2 inside of room, referring to Fig. 1 and Fig. 7, the absorbent solution that absorbent solution is accepted in room 202 absorbs molten by set in addition second The second absorbent solution spray equipment 43 that liquid spray piping 9 is delivered in absorbent solution spray chamber 201 is sprayed.The Two absorbent solution heat exchangers 40 are located at the lower section of the second absorbent solution spray equipment 43, and absorbent solution is sprayed in the second absorbent solution Absorbent solution after the surface of heat exchanger 40, spray absorbs the refrigerant vapor from working medium chamber and diluted, and is inhaled by second Receipts solution heat exchanger 40 absorbs heat to heating agent release is absorbed, and absorbs the absorption heating agent of absorption heat and can be provided out heat.
The first absorbent solution heat exchanger, the second absorbent solution heat exchanger, the first condensation work in the utility model embodiment Matter heat exchanger and the second condensation working fluid heat exchanger can use external contra-flow heat exchanger, it is thus possible to more efficient utilization alternating temperature hair Heat source, alternating temperature absorbent solution and alternating temperature evaporation thermal source.Flow through the absorption heating agent of the second absorbent solution heat exchanger and flow through second The evaporation heating agent for condensing working fluid heat exchanger specifically can be using water, the aqueous solution and non-freezing solution etc..
Because each heat exchanger is external and uses adverse current plate heat exchanger, and absorbent solution and the spray of condensation working medium is used to dodge Steam and spray-absorption mode, flash vaporization and the heat and mass speed pole of spray-absorption due to absorbent solution and condensation working medium It hurry up, thus be significantly reduced the volume of absorbent solution spray chamber and condensation working medium spray chamber, so that it is whole to be substantially reduced system The volume of body, while heat transfer intensity and reduction heat transfer temperature difference are significantly improved, so that the structure of system is compacter and simplifies, Systematic function reduction manufacturing cost is can further improve, and is more easily safeguarded.As a result of condensation working medium and absorbent solution Spray flash distillation or spray-absorption mode so that absorbent solution sprays on-condensible gas in chamber and working medium chamber to occurring Process, absorption process, the inhibition of the heat and mass of condensation process and evaporation process are significantly reduced.Hold in particular by cylinder During device, due to the welding capacity of containment structure material be greatly decreased and container inside be free of heat exchange material so that etching extent, enter without The yield of solidifying gas is substantially reduced.
Each heating agent for easily causing fouling or blocking, by using dismountable plate type heat exchanger, can make heat exchanger Maintenance become simple, so as to further widen systematic difference field.
Absorbent solution is absorbed the utility model under saturated concentration all the time in the course of the work, it is thus possible to obtain compared with Big heat pump temperature rise (difference for absorbing temperature and evaporating temperature), and ensure that the stabilization of absorption temperature and evaporating temperature, Cooling system all-the-time stable can be ensured.
The difference of the energy supplying system course of work based on low valley power storage of the utility model embodiment is as follows：It is wherein absorption The thermal energy storage process of heat pump subsystem includes the absorbent solution chamber link of absorbent solution generation and the working fluid chamber of refrigerant vapor condensation Room link, wherein
The absorbent solution chamber link that absorbent solution occurs, the absorbent solution of the lower section of chamber 201 is sprayed positioned at absorbent solution The absorbent solution accepted in room 202 is conveyed by the first absorbent solution spray pump 6, is entered via the first absorbent solution spray piping 7 The cold flow side of the first absorbent solution heat exchanger 30 outside absorbent solution chamber 2, passes through the first absorbent solution heat exchanger 30 absorptions for absorbing the heat for the generations heating agent for flowing through hot-fluid side and entering after heating up in absorbent solution spray chamber 201 Solution spraying device 3 is sprayed, after producing refrigerant vapor through flash distillation, the absorbent solution for being concentrated and being cooled down partial crystallization because of supersaturation Go out absorbent crystallization, flash the refrigerant vapor produced and enter working medium chamber 22 through refrigerant vapor passage 14, with absorbent solution chamber The progress of room link, the absorbent solution that absorbent solution accepts room is gradually decreased, and absorbent crystallization gradually increases；
The working medium chamber link of refrigerant vapor condensation, the refrigerant vapor that absorbent solution is produced in absorbent solution chamber 2 enters Enter to condense and discharge in working medium chamber 22 condensation heat, condensation heat is absorbed and band by the condensation heating agent for flowing through the first working fluid heat exchanger 50 Walk, condensation working medium enters condensation working medium storage tank, with the progress of working medium chamber link, the condensation working medium in condensation working medium storage tank by It is cumulative to add；Wherein, when the first working fluid heat exchanger 50 is located at working medium 22 inside of chamber, the refrigerant vapor from absorbent solution chamber Condensed on the heat-transfer surface of the first working fluid heat exchanger 50 and discharge condensation heat；When the first working fluid heat exchanger 50 is outside working fluid chamber room During portion, the condensation working medium in condensation working medium storage tank enters the hot-fluid of the first condensation working fluid heat exchanger via condensation working medium spray piping Side, passes through the condensation heat of the refrigerant vapor entrained by the first condensation working fluid heat exchanger to the condensation heating agent release on cold flow side Afterwards, condensation working medium enters condensation working medium spray equipment and sprayed, and condensation working medium absorbs the working medium from absorbent solution chamber after spray The condensation heat of steam and refrigerant vapor, subsequently into condensation working medium storage tank.
When absorbent solution, which is accepted, is provided with orifice plate 4 in room 202, the absorbent solution crystallized containing absorbent is entered via orifice plate 4 Enter the lower section that absorbent solution accepts room 4.Absorbent crystallization crystallizes close between absorbent solution by filtering and based on absorbent The Gravity Separation of degree difference is piled up on orifice plate 4.Due to having two kinds when flowing through orifice layer containing the absorbent solution that absorbent is crystallized Flow channel, one is the vertical channel for flowing through orifice plate filter opening, and two are parallel to the horizontal channel of orifice plate, even if thus upper strata orifice plate Filter opening be crystallized blocking will not also produce big flow resistance.Therefore, with the progress of energy storage, absorbent crystallization gradually increases Also the flowing and circulation of absorbent solution will not be hindered.And when the first working fluid heat exchanger 50 is provided in working medium chamber 22, working medium Steam directly condenses on the heat-transfer surface of the first working fluid heat exchanger 50 and discharges condensation heat.When the first working fluid heat exchanger 50 is provided at When working medium chamber 22 is outer, the condensation working medium that condensation is produced in working medium chamber 22 is conveyed by condensation working medium spray pump, by condensing work Matter spray piping 28 inputs the hot-fluid side of the first working fluid heat exchanger 50, and condensation working medium is by the first working fluid heat exchanger 50 with flowing through After the condensation heating agent heat exchange on cold flow side, then it is transported to condensation working medium spray equipment 41 and is sprayed, refrigerant vapor is with spraying Condensation working medium is in contact and condenses release condensation heat, and the condensation heat that condensation working medium is carried is exchanged heat by condensation heating agent by the first working medium Device 50 absorbs and taken away.When provided with condensation working medium storage tank 26, the condensation working medium that condensation is produced in working medium chamber 22 falls on cold After in solidifying working medium receiver 24, condensation working medium storage tank 26 is entered by the first condensation working medium pipeline 25.
When including the second vapor compression heat pump subsystem, in addition to the second vapor compression heat pump subsystem link, The refrigerant of second compressor 90 outlet enters the hot-fluid side of the first absorbent solution heat exchanger 30 as occurring heating agent, and first inhales The absorbent solution on the cold flow side of solution heat exchanger 30 is received by the condensation heat of the absorption refrigeration agent of the first absorbent solution heat exchanger 30 Heating, is used as condensation heating agent and enters first after being adjusted by the refrigerant of the first absorbent solution heat exchanger 30 through the second expansion valve 95 Working fluid heat exchanger 50 is condensed, absorbent solution chamber is absorbed by the first condensation working fluid heat exchanger 50 as the refrigerant of condensation heating agent The condensation heat that the steam produced in 2 is condensed and discharged in working medium chamber 22, the refrigerant for absorbing condensation heat enters the second pressure Contracting machine 90 realizes refrigerant circulation.When the second vapor compression heat pump subsystem also includes subcooler 92 and temperature sensor 98 When, it can also be adjusted accordingly according to the temperature monitored.It is specific as follows：When the detection of temperature sensor 98 enters the second compressor When the temperature of 90 refrigerant is more than the first setting value, increase is flowed through located at the first absorbent solution heat exchanger 30 and the second expansion valve The cooling flow rate of heat medium on the cold flow side of the subcooler 92 between 95, so as to reduce the refrigeration on the hot-fluid side for flowing through subcooler 92 The temperature of agent；And when temperature sensor 98 detects that the temperature into the refrigerant of the second compressor 90 is less than the second setting value, Reduce the cooling flow rate of heat medium on the cold flow side of subcooler 92.The specific setting of first setting value and the second setting value can be according to tool The situation of body is determined, will not be repeated here.
Energy supplying system of the present utility model based on low valley power storage passes through the second absorbent solution heat exchanger 40 and subcooler 92 can realize and be provided out heat, specifically by air conditioning subsystem heating or can pass through heat supply water subsystem and provide domestic water Deng can be realized by the second working fluid heat exchanger 60 and be provided out cold, specifically such as by air conditioning subsystem cooling.Citing is such as Under, including condensation working medium evaporation link and absorbent solution absorption refrigerant vapor link, wherein
Working medium evaporation link is condensed, the evaporation heating agent for flowing through the second working fluid heat exchanger is the cold of storage in condensation working medium storage tank Solidifying working medium evaporation provides institute's calorific requirement, and refrigerant vapor is evaporated to after the heat for evaporating heating agent is absorbed by the second working fluid heat exchanger, The evaporation heating agent for providing heat of evaporation for condensation working medium is provided out cold, and condensation working medium is in the second working fluid heat exchanger 60 and evaporation Circulated between device 140, as condensation working medium evaporates the condensation working medium of storage in the progress of link, the condensation working medium storage tank gradually Reduce；
Absorbent solution absorbs refrigerant vapor link, and absorbent solution absorption condensation working medium is evaporated the refrigerant vapor to be formed and heated up And dilute, the absorbent solution after heating is hot to the absorption for flowing through the second absorbent solution heat exchanger by the second absorbent solution heat exchanger Matchmaker's release absorbs heat, absorbs the absorption heating agent of absorption heat and can be provided out heat, the absorbent solution solution absorption after dilution Agent is crystallized and recovered to saturated concentration, and as absorbent solution absorbs the progress of refrigerant vapor link, absorbent solution accepts the suction of room Receiving solution gradually increases, and absorbent crystallization is gradually decreased.
Working medium is preferably water；Absorbent is LiBr, LiNO3, LiCl and CaCl2Any of or two or more mixing Thing；The refrigerant of first and second vapor compression heat pump subsystem is R22 or R134a etc..
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed Or replace, it should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power The protection domain that profit is required is defined.

Claims (10)

1. the energy supplying system based on low valley power storage, it is characterised in that including absorption heat pump subsystem and air conditioning subsystem, institute Stating absorption heat pump subsystem includes：
Absorbent solution chamber, is made up of two parts up and down, and top is that absorbent solution sprays chamber, and bottom is accepted for absorbent solution Room；
First absorbent solution spray equipment, chamber is sprayed located at the absorbent solution, and absorbent solution absorbs molten by described first Liquid spray equipment is fallen in the absorbent solution that absorbent solution is sprayed after generation refrigerant vapor, evaporation and concentration are sprayed and flashed in chamber The absorbent solution is accepted indoor；
First absorbent solution spray piping, located at the absorbent solution exterior thereto, absorbent solution accepts room and absorbs molten with first Liquid spray equipment is connected by the first absorbent solution spray piping；
First absorbent solution spray pump, on the first absorbent solution spray piping, absorbent solution is accepted indoor suction Receipts solution is delivered to the first absorbent solution spray equipment by absorbent solution spray piping and sprayed；
First absorbent solution heat exchanger, on the absorbent solution spray piping, the first absorbent solution heat exchanger it is cold Fluid side is connected with absorbent solution spray piping, flows through the generation heating medium for heating stream on the hot-fluid side of the first absorbent solution heat exchanger Absorbent solution through cold flow side；
Working medium chamber, the working medium chamber connects absorbent solution by refrigerant vapor passage and sprays chamber；
First working fluid heat exchanger, in working fluid chamber room or outside working fluid chamber room, flows through the condensation heat of the first working fluid heat exchanger Matchmaker absorbs the condensation heat that refrigerant vapor condenses release in working fluid chamber room；
Working medium receiver is condensed, located at the bottom of the working medium chamber, the condensation working medium receiver is used to accept condensation working medium；
Working medium storage tank is condensed, for storing condensation working medium, the condensation working medium storage tank passes through with described condensation working medium receiver First condensation working medium pipeline connection, the condensation working medium that the condensation working medium receiver is accepted passes through the first condensation working medium pipeline To the condensation working medium storage tank；
Working medium spray equipment is condensed, in the working fluid chamber room, the condensation working medium spray equipment is sprayed by condensing working medium Pipeline is connected with the condensation working medium storage tank；
Working medium spray pump is condensed, on condensation working medium spray piping, for the condensation working medium condensed in working medium storage tank to be conveyed Sprayed to condensation working medium spray equipment；
Second working fluid heat exchanger, condenses working medium spray equipment on condensation working medium spray piping or in the working fluid chamber room Lower section, flow through the evaporation heating agent of the second working fluid heat exchanger and evaporated for the condensation working medium in condensation working medium storage tank in working fluid chamber room Institute's calorific requirement is provided；
Second absorbent solution heat exchanger, it is described to absorb molten in absorbent solution spray chamber or outside absorbent solution chamber The absorbent solution that liquid accepts interior is delivered to the working medium steaming that progress spray-absorption working medium chamber is produced in absorbent solution spray chamber During gas, the absorbent solution flows through the hot-fluid of the second absorbent solution heat exchanger outside absorbent solution chamber in course of conveying Side, absorbs heat to the absorption heating agent release on the cold flow side for flowing through the second absorbent solution heat exchanger and cools, or absorbent solution Spray on the surface that the second absorbent solution heat exchanger in chamber is sprayed located at absorbent solution, exchanged heat to the second absorbent solution is flowed through The absorption heating agent release of device absorbs heat and cooled；
The air conditioning subsystem includes water knockout drum, the indoor set being connected with water knockout drum and the water collector being connected with indoor set, wherein
The air conditioning subsystem is heating air-conditioner subsystem, the absorption heat of the water knockout drum and the second absorbent solution heat exchanger Matchmaker outlet connection, the water collector is connected with the absorption heating agent entrance of the second absorbent solution heat exchanger, flows through the second absorption The absorption heating agent that the absorption heating agent of solution heat exchanger is delivered in water knockout drum, water knockout drum is delivered to indoor set and heated, through room The absorption heating agent that absorption heating agent after interior machine heating is collected in water collector, water collector is delivered to the second absorbent solution heat exchanger； And/or
The air conditioning subsystem is cooling air conditioning subsystem, and the evaporation heating agent of the water knockout drum and second working fluid heat exchanger goes out Mouth connection, the water collector is connected with the evaporation heating agent entrance of second working fluid heat exchanger, flows through the second working fluid heat exchanger The evaporation heating agent that evaporation heating agent is delivered in water knockout drum, water knockout drum is delivered to indoor set and carries out cooling, after indoor set cooling The evaporation heating agent that evaporation heating agent is collected in water collector, water collector is delivered to the second working fluid heat exchanger；Or
The air conditioning subsystem is air conditioner subsystem, the absorption heat of the water knockout drum and the second absorbent solution heat exchanger Matchmaker is exported and the evaporation heating agent outlet of second working fluid heat exchanger is connected respectively, the water collector and second absorbent solution The absorption heating agent entrance of heat exchanger and the evaporation heating agent entrance of second working fluid heat exchanger are connected respectively, cold by Valve controlling Circulation loop is formed between warm air conditioner subsystem and second working fluid heat exchanger and carries out cooling, passes through Valve controlling air conditioner Circulation loop is formed between subsystem and the second absorbent solution heat exchanger to be heated.
2. the energy supplying system according to claim 1 based on low valley power storage, it is characterised in that the absorbent solution is accepted The bottom of room is additionally provided with the orifice plate for filtering and carrying absorbent crystallization.
3. the energy supplying system according to claim 2 based on low valley power storage, it is characterised in that the orifice plate is at least two It is individual, there is an opening, adjacent two orifice plate and absorption are molten between the inwall of the outer edge of each orifice plate and absorbent solution undertaking room The opening that liquid is accepted between the inwall of room is oppositely arranged.
4. the energy supplying system according to claim 1 based on low valley power storage, it is characterised in that the first working medium heat exchange When device is located at the working medium chamber interior, the refrigerant vapor that absorbent solution evaporation is produced directly connects with first working fluid heat exchanger Touch and condense；When first working fluid heat exchanger is located at the working medium exterior thereto, the first described working fluid heat exchanger is arranged at On described condensation working medium spray piping, the hot-fluid side of the first working fluid heat exchanger is connected with condensation working medium spray piping, is flowed through The condensation heating agent on the cold flow side of the first working fluid heat exchanger passes through the condensation working medium heat exchange absorption condensation heat with flowing through hot-fluid side.
5. the energy supplying system according to claim 4 based on low valley power storage, it is characterised in that also including the second compressor With the second expansion valve, second compressor, the second expansion valve, the first absorbent solution heat exchanger and the first working fluid heat exchanger are constituted Second vapor compression heat pump subsystem, the first absorbent solution heat exchanger is used as the second vapor compression heat pump subsystem Compression heat pump condenser is connected with the second compressor outlet, and first working fluid heat exchanger is used as the second vapor compression heat pump The compression heat pump evaporator of subsystem is connected with the entrance of the second compressor, the first absorbent solution heat exchanger to described One working fluid heat exchanger is sequentially connected subcooler and the second expansion valve, and second suction port of compressor one end or exit end are provided with temperature Sensor is spent, the refrigerant of the second vapor compression heat pump subsystem interior circulation is used as generation after the second compressor Heating agent flows through the hot-fluid side of the first absorbent solution heat exchanger, swollen then in turn through the hot-fluid side of subcooler and second The first working fluid heat exchanger is inputted as condensation heating agent after swollen valve, flows through and the second compressor completion one is inputted after the first working fluid heat exchanger Secondary circulation, flows through the heat of the cooling heating agent absorption refrigeration agent on subcooler cold flow side.
6. the energy supplying system according to claim 5 based on low valley power storage, it is characterised in that the energy supplying system is also wrapped Hot water supply subsystem is included, the hot water supply subsystem includes cooling heat medium storage tank, and the subcooler passes through pipeline and cooling Heat medium storage tank is connected, and the cooling heating agent is circulated between subcooler and cooling heat medium storage tank, and the cooling heating agent is water, described Cooling heat medium storage tank is also connected with hot water supply pipe and moisturizing pipeline.
7. the energy supplying system according to claim 5 based on low valley power storage, it is characterised in that the cold flow of the subcooler The water knockout drum of the side outlet connection air conditioning subsystem, the water collector of the air conditioning subsystem connects the cold flow of the subcooler Side is exported, and circulation loop, the air conditioning subsystem and the supercooling are formed between the air conditioning subsystem and the subcooler Valve of the circulation loop provided with control circulation loop break-make between device.
8. the energy supplying system based on low valley power storage according to claim 6 or 7, it is characterised in that described second absorbs Solution heat exchanger connects the cooling heat medium storage tank, shape between the second absorbent solution heat exchanger and the cooling heat medium storage tank Into circulation loop, the circulation loop between the second absorbent solution heat exchanger and the cooling heat medium storage tank is followed provided with control The valve of loop back path break-make.
9. the energy supplying system according to claim 1 based on low valley power storage, it is characterised in that second absorbent solution Heat exchanger is located on the first absorbent solution spray piping, or, the second absorbent solution heat exchanger is located at the second absorbent solution On spray piping, the absorbent solution accepts indoor absorbent solution and passes through the second absorbent solution outside absorbent solution chamber The second absorbent solution spray equipment that spray piping is delivered in absorbent solution spray chamber is sprayed.
10. the energy supplying system according to claim 1 based on low valley power storage, it is characterised in that also including the first steam Compression heat pump subsystem, second working fluid heat exchanger is cold with the condenser of the first vapor compression heat pump subsystem Fluid side is connected, or second working fluid heat exchanger is as the condenser of the first vapor compression heat pump subsystem, condenses working medium Evaporated from the refrigerant suction heat for flowing through second working fluid heat exchanger or condenser.
CN201621386907.7U 2016-12-16 2016-12-16 Energy supplying system based on low valley power storage Active CN206514443U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110173749A (en) * 2019-04-02 2019-08-27 北京工业大学 A kind of trough-electricity heat accumulation house type heating system
WO2020181899A1 (en) * 2019-03-11 2020-09-17 深圳市爱能森科技有限公司 Phase change energy storage heat exchange system and method for heating water
CN113915786A (en) * 2021-09-27 2022-01-11 河南科技大学 Compression type heat pump device utilizing latent heat for energy storage
CN115388578A (en) * 2022-10-25 2022-11-25 南京金宁能源科技有限公司 Heat source tower heat pump and water energy storage coupled cooling and heating system and method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020181899A1 (en) * 2019-03-11 2020-09-17 深圳市爱能森科技有限公司 Phase change energy storage heat exchange system and method for heating water
CN110173749A (en) * 2019-04-02 2019-08-27 北京工业大学 A kind of trough-electricity heat accumulation house type heating system
CN110173749B (en) * 2019-04-02 2023-09-26 北京工业大学 Off-peak electricity heat storage house type heating system
CN113915786A (en) * 2021-09-27 2022-01-11 河南科技大学 Compression type heat pump device utilizing latent heat for energy storage
CN113915786B (en) * 2021-09-27 2023-03-07 河南科技大学 Compression type heat pump device utilizing latent heat for energy storage
CN115388578A (en) * 2022-10-25 2022-11-25 南京金宁能源科技有限公司 Heat source tower heat pump and water energy storage coupled cooling and heating system and method

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