CN206709264U

CN206709264U - VMC based on low valley power storage

Info

Publication number: CN206709264U
Application number: CN201720327059.0U
Authority: CN
Inventors: 苏庆泉
Original assignee: Beijing Lianliyuan Technology Co Ltd
Current assignee: Beijing Lianliyuan Technology Co Ltd
Priority date: 2017-03-30
Filing date: 2017-03-30
Publication date: 2017-12-05
Anticipated expiration: 2027-03-30

Abstract

The utility model discloses a kind of VMC based on low valley power storage, including absorption heat pump subsystem and fresh air subsystem, absorption heat pump subsystem carries out energy storage by trough-electricity, and the temperature of the fresh air conveyed with absorption heat pump subsystem energy supply process to fresh air subsystem is adjusted.The utility model operating cost is low.

Description

VMC based on low valley power storage

Technical field

It the utility model is related to Thermal Power Engineering technical field, more particularly to a kind of VMC 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 are currently widelyd popularize, coal changes gas, coal changes electricity.But fire Gas boiler still has the problem of NOx emission.In order to tackle air pollution and indoor sanitation problem and improve comfortableness, building and House etc. is more to employ VMC.As shown in figure 1, in the supply air system of VMC, will be outdoor empty by blower fan 402 Gas along air supply duct 401 after filter 403 to indoor supply, in air supply duct 401 middle setting surface cooler 404 so as to Cool-down dehumidification is carried out to being sent into indoor air in summer, heater 405 is set in air supply duct 401 so as in the winter time to sending The air for entering interior is heated or heated humidification.At present, the generally use that is heated or cooled of air is steamed in VMC Gas compression heat pump system, power consumption is big, and especially when peak electricity and spike period are run, operating cost is higher.

On the other hand, with the development of national economy, the electric load peak-valley difference in power system constantly increases, especially Installed capacity recently as renewable energy power generations such as wind-power electricity generation, photovoltaic generations increases substantially, because power network can not disappear Receive its electricity and produce serious " abandoning wind ", " abandoning light " phenomenon.Therefore, by realizing power network using trough-electricity on a large scale " peak load shifting " be a urgent problem.

In building energy saving field, trough-electricity ice storage central air-conditioning is that a kind of trough-electricity being used widely utilizes skill Art.It is characterized in, ice making is carried out in night dip electricity period operation compression heat pump, and passes through ice-melt in peak electricity and spike period To provide a user cold, so as to realize " peak load shifting ".But there are three aspects not in trough-electricity ice Thermal Storage Air-Conditioning Technology Foot, one is due to that ice making needs certain degree of supercooling, generally controls the evaporating temperature of compression heat pump at subzero 5 DEG C or so, And actual cooling temperature only needs 7 DEG C above freezing or so, thus the COP that freezes is relatively low；Second, the latent heat of phase change between water and ice is smaller (334.5kJ/kg), water in Ice Storage Tank can not be completely converted into ice along with the heat conductivity due to ice is bad, generally The conversion ratio of water is controlled 50% or so, thus energy storage density is relatively low；Third, trough-electricity ice storage central air-conditioning is throughout the year In only summer operation, other three seasons, equipment operation ratio was extremely low, thus the effect of its " peak load shifting " in a dormant state Limited, economy is also poor.

Utility model content

In view of this, the utility model embodiment provides a kind of VMC 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 VMC based on low valley power storage, including absorption heat pump Subsystem and fresh air subsystem, the absorption heat pump subsystem include：

Absorbent solution chamber, it is made up of upper and lower two parts, 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, absorbent solution is inhaled by described first Receive solution spraying device to spray in absorbent solution spray chamber room and flash generation refrigerant vapor, the absorbent solution after evaporation and concentration Fall on the absorbent solution and accept interior；

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, absorbent solution is accepted indoor 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 connect absorbent solution by refrigerant vapor passage and spray chamber；

First working fluid heat exchanger, in working fluid chamber room, refrigerant vapor caused by absorbent solution evaporation is directly with described the One working fluid heat exchanger is contacted and condensed, and the condensation heating agent absorption refrigerant vapor for flowing through the first working fluid heat exchanger is cold in working fluid chamber room The condensation heat of solidifying release；

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, working medium is condensed for storing, 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, working medium spray is condensed on condensation working medium spray piping or in the working fluid chamber room The lower section of device, the evaporation heating agent for flowing through the second working fluid heat exchanger are the condensation working medium in condensation working medium storage tank in working fluid chamber room Evaporation provides institute's calorific requirement, and evaporation heating agent is so as to outwards export cold；

Second absorbent solution spray equipment, chamber is sprayed located at the absorbent solution, absorbent solution is inhaled by described second Solution spraying device is received to spray in absorbent solution spray chamber room and absorb in working fluid chamber room refrigerant vapor caused by evaporation and dilute Release, the absorbent solution after dilution falls on the absorbent solution and accepts interior；

Second absorbent solution spray piping, located at the absorbent solution exterior thereto, absorbent solution is accepted room and inhaled with second Receive solution spraying device to connect by the second absorbent solution spray piping, absorbent solution absorbs by second in absorbent solution chamber Solution spraying pipeline to the second absorbent solution spray equipment is sprayed；

Second absorbent solution heat exchanger, in absorbent solution spray chamber room the lower section of the second absorbent solution spray equipment or On the second absorbent solution spray piping, the absorbent solution accepts indoor absorbent solution and is delivered to absorbent solution spray chamber Caused by indoor carry out spray-absorption working medium chamber during refrigerant vapor, the absorbent solution is flowed through located at second in course of conveying The hot-fluid side of the second absorbent solution heat exchanger on absorbent solution spray piping, to flowing through the cold of the second absorbent solution heat exchanger The absorption heating agent release of fluid side absorbs heat and cooled, or absorbent solution spray is in second in absorbent solution spray chamber room The surface of absorbent solution heat exchanger, discharged to the absorption heating agent for flowing through the second absorbent solution heat exchanger and absorb heat and cool, it is described Absorb heating agent and outwards export absorption heat；

The fresh air subsystem includes air supply duct and the trim heat exchanger in air supply duct, wherein

The absorption heating agent outlet of the entrance of the trim heat exchanger and the second absorbent solution heat exchanger and/or described the The evaporation heating agent outlet of two working fluid heat exchangers connects respectively, and the outlet of the trim heat exchanger exchanges heat with second absorbent solution The absorption heating agent entrance of device and/or the evaporation heating agent entrance of second working fluid heat exchanger connect respectively, when the temperature adjustment exchanges heat The evaporation heating agent for absorbing heating agent outlet and second working fluid heat exchanger of the entrance of device and the second absorbent solution heat exchanger Outlet connects respectively, the outlet of the trim heat exchanger and the absorption heating agent entrance of the second absorbent solution heat exchanger and described When the evaporation heating agent entrance of second working fluid heat exchanger connects respectively, changed by Valve controlling trim heat exchanger and second working medium Circulation loop is formed between hot device, or by being formed between Valve controlling trim heat exchanger and the second absorbent solution heat exchanger Circulation loop；

When circulation loop is formed between the trim heat exchanger and second working fluid heat exchanger, the fresh air subsystem carries Supply cold wind；When circulation loop is formed between the trim heat exchanger and the second absorbent solution heat exchanger, the fresh air subsystem System provides warm wind.

Preferably, the spray equipment of water is set in the top of trim heat exchanger, by trim heat exchanger surface sprinkling It can be humidified simultaneously for warm wind.

Preferably, the bottom that the absorbent solution accepts room is additionally provided with the hole crystallized for filtering and carrying absorbent 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, also include 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 form 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 as the compression heat pump evaporator of the second vapor compression heat pump subsystem and the entrance of the second compressor Connection, the second expansion valve are located between the first absorbent solution heat exchanger and first working fluid heat exchanger, and described second steams The refrigerant of circulation flows through first absorption after the second compressor as heating agent occurs in gas compression heat pump subsystem The hot-fluid side of solution heat exchanger, the first working fluid heat exchanger then is inputted as condensation heating agent after the second expansion valve, is flowed through The second compressor is inputted after first working fluid heat exchanger and completes one cycle.

Preferably, subcooler is provided between the first absorbent solution heat exchanger and the second expansion valve, second pressure Contracting machine entrance one end or exit end are provided with temperature sensor, the refrigeration circulated in the second vapor compression heat pump subsystem When agent circulates, behind the hot-fluid side for flowing through the first absorbent solution heat exchanger, the hot-fluid side of the subcooler is first flowed through, so The first working fluid heat exchanger is inputted by the second expansion valve afterwards, flows through the heat of the cooling heating agent absorption refrigeration agent on subcooler cold flow side Amount.

Preferably, also including hot water supply subsystem, the hot water supply subsystem includes cooling heat medium storage tank, described Subcooler is connected by pipeline with cooling heat medium storage tank, and the cooling heating agent circulates between subcooler and cooling heat medium 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, also include the first vapor compression heat pump subsystem, the first steam compression heat pump subsystem Condenser condense the lower section of working medium spray equipment in the working fluid chamber room as the 3rd working fluid heat exchanger, condensation working medium is from flowing through The refrigerant suction heat of 3rd working fluid heat exchanger and evaporate.

First vapor compression heat pump subsystem is air source heat pump system, water source heat pump system or earth source heat pump system System, when the first vapor compression heat pump subsystem is air source heat pump system, flows through the first vapor compression heat pump subsystem The refrigerant of evaporator evaporates from Atmospheric Absorption heat, when the first vapor compression heat pump subsystem be water source heat pump system or During person's earth-source hot-pump system, the refrigerant for flowing through the first vapor compression heat pump subsystem evaporator absorbs heat from water and steamed Hair.

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 mixture；The refrigerant of the first and second described vapor compression heat pump subsystem be R22, R134a, R407, R410, R600a or R450A etc..

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 carries out energy storage to trough-electricity, and is used as the cold or heat of fresh air subsystem by energizing process by the energy of storage Supply to user, so as to provide the fresh air of temperature and humidity in regulation room, so as to play " peak load shifting " effect, have 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 of saturated absorption solution and the condensation of refrigerant vapor, 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 The orifice plate that interior is provided with multilayer crystallizes to filter and carry absorbent, due to flowing through orifice plate containing the absorbent solution that absorbent crystallizes Two kinds of flow channels be present during layer, first, flowing through the vertical channel of orifice plate filter opening, two are parallel to the horizontal channel of orifice plate, thus Big flow resistance will not also be produced by being crystallized blocking even if the filter opening of upper strata orifice plate.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, due to the latent heat of phase change between condensed water and vapor, to be up to 2500kJ/kg left 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 preserve 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 Energy Efficiency Ratio height；

(4) it is good in economic efficiency.Because absorption heat pump subsystem is driven with cheap trough-electricity, and Energy Efficiency Ratio It height, annual can also operate, therefore there is good economy.

Brief description of the drawings

Fig. 1 is the structural representation of existing VMC.

Fig. 2 is the structural representation of the VMC based on low valley power storage of the utility model embodiment 1.

Fig. 3 is the structural representation of the VMC based on low valley power storage of the utility model embodiment 2.

Fig. 4 is the structural representation of the VMC based on low valley power storage of the utility model embodiment 3.

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 the same embodiment.In addition, one or Special characteristic, structure or feature in multiple embodiments can be combined by any suitable form.

Fig. 2 to Fig. 4 is the structural representation of the different embodiments of the VMC of the present utility model based on low valley power storage Figure.Referring to Fig. 2 to Fig. 4, the VMC based on low valley power storage, including absorption heat pump subsystem and fresh air subsystem, inhale Receipts formula heat pump subsystem includes：

Absorbent solution chamber 2, it is made up of upper and lower two parts, 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, absorbent solution absorbs molten by first Liquid spray equipment 3 sprays in absorbent solution spray chamber room and flashes generation refrigerant vapor, and the absorbent solution after evaporation and concentration falls Accepted to absorbent solution in room 202；

Absorbent solution spray piping 7, outside absorbent solution chamber 2, absorbent solution accepts room 202 and the first absorption is molten Liquid spray equipment 3 is connected by absorbent solution spray piping 7；

First absorbent solution spray pump 6, on absorbent solution spray piping 7, absorbent solution is accepted into the suction in room 202 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 connect absorbent solution by refrigerant vapor passage 14 and spray chamber 201；

First working fluid heat exchanger 50, in working medium chamber 22, refrigerant vapor caused by absorbent solution evaporation is directly with the One working fluid heat exchanger 50 is contacted and condensed, and the condensation heating agent for flowing through the first working fluid heat exchanger 50 absorbs refrigerant vapor in working medium chamber The condensation heat of condensation release in 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, condenses working medium for storing, condensation working medium storage tank 26 passes through with condensation working medium receiver 24 First condensation working medium pipeline 25 connects, 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, the evaporation heating agent for flowing through the second working fluid heat exchanger 60 are the condensation working medium in condensation working medium storage tank 26 in work Evaporation provides institute's calorific requirement in matter chamber 22, and evaporation heating agent is so as to outwards export cold；

Second absorbent solution spray equipment 43, chamber 2 is sprayed located at absorbent solution, absorbent solution passes through the second absorbent solution Spray equipment 43 sprays in absorbent solution spray chamber 2 and absorbs refrigerant vapor caused by evaporation in working medium chamber 22 and dilute Release, the absorbent solution after dilution falls on absorbent solution and accepted in room 202；

Second absorbent solution spray piping 9, outside absorbent solution chamber 2, absorbent solution is accepted room 202 and second and inhaled Receive solution spraying device 43 to connect by the second absorbent solution spray piping 9, absorbent solution passes through second in absorbent solution chamber 2 Absorbent solution spray piping 9 is delivered to the second absorbent solution spray equipment 43 and sprayed；

Second absorbent solution heat exchanger 40, the second absorbent solution spray equipment 43 in absorbent solution spray chamber 201 Lower section or on the second absorbent solution spray piping 9, absorbent solution accept room 202 in absorbent solution be delivered to absorb it is molten When carrying out refrigerant vapor caused by spray-absorption working medium chamber 22 in liquid spray chamber 201, absorbent solution flows in course of conveying Hot-fluid side through the second absorbent solution heat exchanger 40 on the second absorbent solution spray piping 43, to flowing through the second absorption The absorption heating agent release on the cold flow side of solution heat exchanger 40 absorbs heat and cooled, or absorbent solution spray is located at absorbent solution The surface of the second absorbent solution heat exchanger 40 in chamber 201 is sprayed, to the absorption heat for flowing through the second absorbent solution heat exchanger 40 Matchmaker, which discharges, to be absorbed heat and cools, and is absorbed heating agent and is outwards exported absorption heat；

Fresh air subsystem 400 includes air supply duct 401 and the trim heat exchanger 406 in air supply duct 401, wherein,

Fresh air subsystem can only provide warm wind, can also only provide cold wind, or can provide warm wind can provide again it is cold Wind.Fresh air subsystem specific combination different from absorption heat pump subsystem is illustrated below.As for fresh air subsystem The other equipment that other in system should have or be arranged as required to repeats no more.Such as blower fan 402, filter 403.The utility model Absorption heating agent, condensation heating agent, evaporation heating agent and generation heating agent in embodiment can partly or entirely be adopted in some cases With identical heating agent.

Referring to Fig. 2, as follows, the absorption of the entrance of trim heat exchanger 406 and the second absorbent solution heat exchanger 40 is specifically connected Heating agent outlet connection, the outlet of trim heat exchanger 406 is connected with the absorption heating agent entrance of the second absorbent solution heat exchanger 40, flowed through The absorption heating agent of second absorbent solution heat exchanger 40 is delivered to trim heat exchanger 406, and absorbent solution absorption condensation working medium is evaporated To refrigerant vapor release absorption heat absorbed by the second absorbent solution heat exchanger by absorption heating agent, absorb heating agent through toning Heat exchange is carried out with the air in air supply duct 401 during warm heat exchanger 406, so as to provide warm wind.At this point it is possible to the 3rd steaming is set Gas compression heat pump subsystem (not shown), second working fluid heat exchanger is as the cold of the 3rd vapor compression heat pump subsystem Condenser, condensation working medium are evaporated from the refrigerant suction heat for flowing through the second working fluid heat exchanger.3rd vapor compression heat pump System is air source heat pump system, water source heat pump system or earth-source hot-pump system, when the 3rd vapor compression heat pump subsystem For air source heat pump system when, flow through the refrigerant of the 3rd vapor compression heat pump subsystem evaporator from Atmospheric Absorption heat and Evaporation, when the 3rd vapor compression heat pump subsystem is water source heat pump system or earth-source hot-pump system, flows through the 3rd steam The refrigerant of compression heat pump subsystem evaporator absorbs heat from water and evaporated.

Referring to Fig. 3, the evaporation heating agent outlet connection of the entrance of trim heat exchanger 406 and the second working fluid heat exchanger 60, temperature adjustment The outlet of heat exchanger 406 is connected with the evaporation heating agent entrance of the second working fluid heat exchanger 60, flows through the steaming of the second working fluid heat exchanger 60 Heating matchmaker is delivered to trim heat exchanger 406, and the evaporation heating agent that heat of evaporation is provided for condensation working medium is flowing through trim heat exchanger 406 When with air supply duct 401 in air carry out heat exchange, so as to provide cold wind.Equally, set in the outlet side of trim heat exchanger 406 Circulating pump 100 is to promote to circulate.

Referring to Fig. 4, the absorption heating agent outlet of the entrance of trim heat exchanger 406 and the second absorbent solution heat exchanger 40 and second The evaporation heating agent outlet of working fluid heat exchanger 60 connects respectively, the outlet of trim heat exchanger 406 and the second absorbent solution heat exchanger 40 The evaporation heating agent entrance for absorbing heating agent entrance and the second working fluid heat exchanger 60 connects respectively, passes through Valve controlling trim heat exchanger 406 and second form circulation loop between working fluid heat exchanger 60 and provide cold wind, pass through Valve controlling trim heat exchanger 406 and second Circulation loop is formed between absorbent solution heat exchanger 40 warm wind is provided.Specific pipe design, can be the second working fluid heat exchanger 60 and second absorbent solution heat exchanger 40 formation respectively be connected with water knockout drum and water collector by each independent pipeline respectively followed Loop back path, valve then is set on respective circulation loop, as desired by Valve controlling, which circulation loop turns on, So as to realize heating or cooling.Or trim heat exchanger 406 is realized and the second working fluid heat exchanger 60 and the by three-way solenoid valve Two absorbent solution heat exchangers 40 connect, and are then exchanged heat by the absorbent solution of electromagnetic cross valve control trim heat exchanger 406 and second The circulation loop conducting formed between device 40 carries out offer warm wind, or passes through electromagnetic cross valve control trim heat exchanger 406 and the The circulation loop conducting formed between two working fluid heat exchangers 60, which is realized, provides cold wind.As shown in figure 4, trim heat exchanger 406 exports The evaporation heating agent entrance of second working fluid heat exchanger 60 is connected by the first three-way solenoid valve 144 respectively and the second absorbent solution exchanges heat The absorption heating agent entrance of device 40, the outlet of trim heat exchanger 406 connect the second working medium by the second three-way solenoid valve 145 and exchanged heat respectively The evaporation heating agent outlet of device 60 and the absorption heating agent of the second absorbent solution heat exchanger 40 export.By controlling the first three-way solenoid valve 144 and second three-way solenoid valve 145 can be achieved to form circulation loop between trim heat exchanger 406 and second working fluid heat exchanger 60 Or the circulation loop formed between the second working fluid heat exchanger 60.

The utility model passes through absorption heat pump subsystem by the way that absorption heat pump subsystem and fresh air subsystem are combined System carries out accumulation of energy with trough-electricity, so as to reduce the operating cost of VMC.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 condenses, 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, very high energy storage density can be reached.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 device 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 the heating of 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 to that the absorbent solution of saturation occurs.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 occurs thermal source, alternating temperature absorbent solution and alternating temperature steaming using alternating temperature Pyrotoxin, the specific heating agent that occurs include water, the aqueous solution, non-freezing solution, conduction oil, air, process gas, superheated steam and contained Steam of on-condensible gas etc..In the utility model embodiment, the absorbent solution in absorbent solution chamber keeps saturation state.

As the preferred of above-described embodiment, the spray equipment (not shown) of water is set in the top of trim heat exchanger, By can be humidified to trim heat exchanger surface sprinkling for warm wind simultaneously.In addition, when providing cold wind in summer, trim heat exchanger can be with Moisture in air is separated out, so as to reach the effect of dehumidifying.

In the utility model embodiment, absorbent solution chamber 2 and working medium chamber 22 use same container, upper in the container 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, 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 does not limit, and is separated as long as can crystallize absorbent from absorbent solution, Absorbent crystallization is avoided to influence the flowing and circulation of absorbent solution.The equipment for separating liquid from solid that the present embodiment provides it is a kind of excellent The orifice plate 4 for selecting embodiment to filter and carrying absorbent crystallizes.Orifice plate 4 is set to absorbing by accepting room 202 in absorbent solution 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, improves energy storage density.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 Mobile distance as long 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 crystallizes Two kinds of flow channels during flaggy be present, first, flowing through the vertical channel of the filter opening of orifice plate 4, two are parallel to the horizontal channel of orifice plate, Big flow resistance will not also be produced by being thus crystallized blocking even if the filter opening of upper strata orifice plate.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 stores, so as to 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. 2 to Fig. 4, when the first working fluid heat exchanger 50 is located at working medium 22 inside of chamber, caused work in absorbent solution spray chamber 201 Matter steam enters after working medium chamber 2 realization that is directly in contact with the surface of the first working fluid heat exchanger 50 by refrigerant vapor passage 14 Condensation heating agent with flowing through the first working fluid heat exchanger 50 exchanges heat, and refrigerant vapor condenses and discharges condensation heat, and condensation heat is by condensation heat Matchmaker absorbs and taken away.

As the preferred of any of the above-described embodiment, referring to Fig. 2 to Fig. 4, the utility model embodiment is stored based on trough-electricity The VMC 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 form the second vapor compression heat pump subsystem, the heat exchange of the first absorbent solution Device 30 connects as the compression heat pump condenser of the second vapor compression heat pump subsystem and the outlet of the second compressor 90, and first Working fluid heat exchanger 50 is 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 are 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, are circulated in the second vapor compression heat pump subsystem Refrigerant it is after 90s by the second compressor, flow through the hot-fluid side of the first absorbent solution heat exchanger 30 as heating agent occurs, so Input the first working medium as condensation heating agent behind the hot-fluid side of subcooler 92 and the second expansion valve 95 regulation flow successively afterwards Heat exchanger 50, the second compressor 90 completion one cycle is inputted after flowing through the first working fluid heat exchanger 50, flows 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 connects.And when built in the first working fluid heat exchanger 50, referring to figs. 2 to Fig. 4, 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 more than the threshold value of setting, it 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 Customize refrigerant pressure pressure sensor, by grasp in time refrigerant pressure change come adjust flow through subcooler 92 cooling heat 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.Running water, heat supply backwater or cooling water etc. can be used by cooling down heating agent.

As the preferred of above-described embodiment, the VMC based on low valley power storage of the utility model embodiment also includes Hot water supply subsystem, hot water supply subsystem include cooling heat medium storage tank 110, the cold flow side of subcooler 92 by pipeline with Cooling heat medium storage tank 110 connects, and cooling heating agent circulates 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 for cooling down heat medium storage tank 110 is provided with cooling heat medium circulation pump 111, To realize cooling heating agent circulation.

As the preferred of above-described embodiment, referring to Fig. 4, in addition to the first vapor compression heat pump subsystem, the first steam The condenser of compression heat pump subsystem condenses working medium spray equipment 41 as the 3rd working fluid heat exchanger 130 in working fluid chamber room Lower section, condensation working medium evaporated from the refrigerant suction heat for flowing through the 3rd working fluid heat exchanger 130.So, when fresh air subsystem When system provides warm wind, heat can be provided by the first vapor compression heat pump subsystem to condense the evaporation of working medium.

Condenser of 3rd working fluid heat exchanger 130 as the first vapor compression heat pump subsystem, condensation working medium is from flowing through The refrigerant suction heat of 3rd working fluid heat exchanger and evaporate.First vapor compression heat pump subsystem is air source heat pump System, water source heat pump system or earth source heat pump, 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 evaporates from Atmospheric Absorption heat, when the first steam compression type When heat pump subsystem is water source heat pump system or earth source heat pump, the system of the first vapor compression heat pump subsystem evaporator is flowed through Cryogen absorbs heat from water and evaporated.

The evaporation heating agent for flowing through the second working fluid heat exchanger 60 provides for the condensation working medium evaporation of storage in condensation working medium storage tank Institute's calorific requirement, after the heat for evaporating heating agent is absorbed by the second working fluid heat exchanger 60, part condensation working medium is evaporated to working medium steaming Gas, the evaporation heating agent that heat of evaporation is provided for condensation working medium are provided out cold.Second working fluid heat exchanger 60 can be and fresh air Subsystem connects, and passes through the outside released cold quantity of fresh air subsystem.When fresh air subsystem only connects with the second absorbent solution heat exchanger 40 When connecing, the second working fluid heat exchanger 60 can be provided out cold by other means, such as by vapor compression heat pump subsystem, Second working fluid heat exchanger 60 is connected with the condenser of vapor compression heat pump subsystem, or the second working fluid heat exchanger is as vapour pressure The condenser of contracting formula heat pump subsystem, specific connection refer to the first vapor compression heat pump subsystem partitions.Now, as The condensation temperature and pressure ratio of the vapor compression heat pump subsystem of one-level heat pump are greatly reduced, and non-low ebb is used so as to significantly improve The heat supply COP of first vapor compression heat pump subsystem of electricity.

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 after dilution dissolve and absorb agent crystallization 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 fresh air subsystem, pass through fresh air subsystem Outwards conveying heat energy., can be outwards defeated by other means and the second absorbent solution heat exchanger 40 is with fresh air subsystem when not being connected Send heat energy.Such as it can also be connected with cooling tower 161 referring to Fig. 2 or Fig. 4, the second absorbent solution heat exchanger 40 and export heat energy, By setting circulating pump 160 to realize circulation, cooling tower 161 can also use air cooler to substitute.When the second absorbent solution heat exchanger 40 with trim heat exchanger 406 when being not only connected but also being connected with cooling tower 161, can equally be realized using three-way solenoid valve.Such as Fig. 4 institutes Show, the entrance of the second absorbent solution heat exchanger 40 connected respectively by the 3rd three-way solenoid valve 108 outlet of trim heat exchanger 406 and Cooling tower 161 exports, and the outlet of the second absorbent solution heat exchanger 40 connects temperature adjustment heat exchange by the 4th three-way solenoid valve 107 respectively The entrance of device 406 and the entrance of cooling tower 161.

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 Interior progress.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 after absorbing the heat that evaporation heating agent provides, condensation working medium is evaporated to refrigerant vapor.

Its specific configuration is illustrated below by the different embodiments of cryogenic refrigerating system, for further understanding The technical solution of the utility model.

Second absorbent solution spray piping 9 is set in addition to convey absorbent solution to located at absorbent solution spray chamber 201 The second interior absorbent solution spray equipment 43 is sprayed, absorption condensation working medium in working fluid chamber room caused refrigerant vapor and rise Temperature simultaneously dilutes.When second absorbent solution heat exchanger 40 is external, its hot fluid side joint enters the second absorbent solution spray piping 9.Second Absorbent solution spray piping 9 is provided with the second absorbent solution spray pump 8, and certainly, the second absorbent solution spray piping 9 also can be with One absorbent solution spray piping 7 shares a pump, that is, shares the first absorbent solution spray pump 6.Second absorbent solution heat exchanger 40 When built-in, i.e. when the second absorbent solution heat exchanger 40 is located at absorbent solution 2 inside of chamber, referring to Fig. 2 to Fig. 4, absorbent solution is held The absorbent solution connect in room 202 is delivered to located at absorbent solution spray by the second absorbent solution spray piping 9 set in addition The second absorbent solution spray equipment 43 in chamber 201 is sprayed.Second absorbent solution heat exchanger 40 absorbs molten located at second The lower section of liquid spray equipment 43, absorbent solution spray the absorbent solution behind the surface of the second absorbent solution heat exchanger 40, spray Absorb the refrigerant vapor from working medium chamber and dilute, and absorbed by the second absorbent solution heat exchanger 40 to heating agent release is absorbed Heat, heat can be provided out by absorbing the absorption heating agent of absorption 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 which more efficient is sent out using alternating temperature 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 Water, the aqueous solution and non-freezing solution etc. can specifically be used by condensing the evaporation heating agent of working fluid heat exchanger.

Because each heat exchanger is external and uses adverse current plate heat exchanger, and uses absorbent solution and condense the spray sudden strain of a muscle of working medium Steaming and spray-absorption mode, due to the flash vaporization of absorbent solution and condensation working medium and the heat and mass speed pole of spray-absorption It hurry up, thus be significantly reduced absorbent solution spray chamber and condense the volume of working medium spray chamber, it is whole so as to be substantially reduced system The volume of body, while significantly improve heat transfer intensity and reduce heat transfer temperature difference, so that the structure of system is compacter and simplifies, Can further improve systematic function reduces manufacturing cost, and more easily safeguards.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 heat and mass of condensation process and evaporation process significantly reduce.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 substantially reduces.

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 having widened 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 can ensure to absorb the stabilization of temperature and evaporating temperature, Cooling system all-the-time stable can be ensured.

The VMC course of work based on the low valley power storage difference 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 positioned at the lower section of absorbent solution spray chamber 201 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 absorb the heat for the generations heating agent for flowing through hot-fluid side and enter the absorption sprayed located at absorbent solution in chamber 201 after heating up Solution spraying device 3 sprays, after flash distillation produces refrigerant vapor, the absorbent solution that the is concentrated and cool down partial crystallization because supersaturated Go out absorbent crystallization, refrigerant vapor caused by flash distillation enters 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 gradually decrease, absorbent crystallization gradually increase；

The working medium chamber link of refrigerant vapor condensation, absorbent solution caused refrigerant vapor in absorbent solution chamber 2 enter Enter to condense and discharge in working medium chamber 22 condensation heat, condensation heat is absorbed by the condensation heating agent for flowing through the first working fluid heat exchanger 50 and band Walk, condensation working medium enters condensation working medium storage tank, with the progress of working medium chamber link, condense condensation working medium in 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 hot-fluid that the condensation working medium in working medium storage tank enters the first condensation working fluid heat exchanger via condensation working medium spray piping is condensed Side, pass through the condensation heat of the entrained refrigerant vapor of condensation heating agent release of the first condensation working fluid heat exchanger to cold flow side Afterwards, condense working medium and enter condensation working medium spray equipment spray, condensing working medium after spray absorbs the working medium from absorbent solution chamber 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 containing absorbent crystallization is entered via orifice plate 4 Enter the lower section that absorbent solution accepts room 4.Absorbent crystallization is by filtering and based on close between absorbent crystallization and absorbent solution 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 crystallizes Flow channel, first, flowing through the vertical channel of orifice plate filter opening, two are parallel to the horizontal channel of orifice plate, thus even if 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 increase 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, condensation working medium is conveyed by condensation working medium spray pump caused by condensation in working medium chamber 22, 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 and spray Condensation working medium is in contact and condenses release condensation heat, and the condensation heat that condensation working medium carries 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 in working medium chamber 22 caused by condensation 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 heating agent occurs, and first inhales Receive the absorbent solution on solution heat exchanger 30 cold flow side by the condensation heat of the absorption refrigeration agent of the first absorbent solution heat exchanger 30 and Heating, condensation heating agent is used as after the regulation of the second expansion valve 95 by the refrigerant of the first absorbent solution heat exchanger 30 and enters first Working fluid heat exchanger 50 is condensed, the refrigerant as condensation heating agent absorbs absorbent solution chamber by the first condensation working fluid heat exchanger 50 The condensation heat that caused steam is condensed and discharged in working medium chamber 22 in 2, the refrigerant for absorbing condensation heat enter 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 the detection of temperature sensor 98 is less than the second setting value into the temperature of the refrigerant of the second compressor 90, 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 determines, will not be repeated here.

It is of the present utility model based on the VMC of low valley power storage by the second absorbent solution heat exchanger 40 can realize to Outer offer heat, it can be realized by the second working fluid heat exchanger 60 and be provided out cold, specifically such as by fresh air subsystem.Citing It is as follows, 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 absorbing the heat of evaporation heating agent by the second working fluid heat exchanger, The evaporation heating agent that heat of evaporation is provided 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, with the progress of condensation working medium evaporation link, the condensation working medium of storage is gradual in the condensation working medium storage tank 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, which discharges, absorbs heat, absorbs the absorption heating agent of absorption heat and can be provided out heat, the absorbent solution after dilution dissolves and absorbs 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 gradually decreases.

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, R134a, R407, R410, R600a or R450A Deng.

It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power The protection domain that profit requires is defined.

Claims

1. the VMC based on low valley power storage, it is characterised in that including absorption heat pump subsystem and fresh air subsystem, institute Stating absorption heat pump subsystem includes：

Absorbent solution chamber, it is made up of upper and lower two parts, 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, absorbent solution absorbs molten by described first Liquid spray equipment is sprayed in absorbent solution spray chamber room and flashes generation refrigerant vapor, and the absorbent solution after evaporation and concentration is fallen on The absorbent solution is accepted indoor；

First absorbent solution spray piping, located at the absorbent solution exterior thereto, absorbent solution accepts room and the first absorption is molten 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 to 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；

First working fluid heat exchanger, in working fluid chamber room, absorbent solution evaporation caused by refrigerant vapor directly with first work Matter heat exchanger is contacted and condense, and the condensation heating agent absorption refrigerant vapor for flowing through the first working fluid heat exchanger is condensed in working fluid chamber room and released The condensation heat put；

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, working medium is condensed for storing, 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 pass 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 sprays 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, working medium spray equipment is condensed 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, evaporation heating agent is so as to outwards export cold；

Second absorbent solution spray equipment, chamber is sprayed located at the absorbent solution, absorbent solution absorbs molten by described second Liquid spray equipment sprays in absorbent solution spray chamber room and absorbs refrigerant vapor caused by evaporation in working fluid chamber room and dilute, dilute Absorbent solution after releasing falls on the absorbent solution and accepts interior；

Second absorbent solution spray piping, located at the absorbent solution exterior thereto, absorbent solution accepts room and the second absorption is molten Liquid spray equipment is connected by the second absorbent solution spray piping, and absorbent solution passes through the second absorbent solution in absorbent solution chamber Spray piping is delivered to the second absorbent solution spray equipment and sprayed；

Second absorbent solution heat exchanger, the lower section of the second absorbent solution spray equipment or it is located in absorbent solution spray chamber room On second absorbent solution spray piping, the absorbent solution is accepted indoor absorbent solution and is delivered in absorbent solution spray chamber room When carrying out refrigerant vapor caused by spray-absorption working medium chamber, the absorbent solution flows through in course of conveying to be absorbed located at second The hot-fluid side of the second absorbent solution heat exchanger on solution spraying pipeline, to the cold fluid for flowing through the second absorbent solution heat exchanger The absorption heating agent release of side absorbs heat and cooled, or absorbent solution spray absorbs in second in absorbent solution spray chamber room The surface of solution heat exchanger, discharged to the absorption heating agent for flowing through the second absorbent solution heat exchanger and absorb heat and cool, the absorption Heating agent outwards exports absorption heat；

Absorption heating agent outlet and/or second work of the entrance of the trim heat exchanger with the second absorbent solution heat exchanger The evaporation heating agent outlet of matter heat exchanger connects respectively, outlet and the second absorbent solution heat exchanger of the trim heat exchanger The evaporation heating agent entrance for absorbing heating agent entrance and/or second working fluid heat exchanger connects respectively, when the trim heat exchanger The evaporation heating agent for absorbing heating agent outlet and second working fluid heat exchanger of entrance and the second absorbent solution heat exchanger exports Connect respectively, the outlet of the trim heat exchanger and the absorption heating agent entrance and described second of the second absorbent solution heat exchanger When the evaporation heating agent entrance of working fluid heat exchanger connects respectively, pass through Valve controlling trim heat exchanger and second working fluid heat exchanger Between form circulation loop, or pass through and circulation formed between Valve controlling trim heat exchanger and the second absorbent solution heat exchanger Loop；

When circulation loop is formed between the trim heat exchanger and second working fluid heat exchanger, the fresh air subsystem provides cold Wind；When circulation loop is formed between the trim heat exchanger and the second absorbent solution heat exchanger, the fresh air subsystem carries Providing warm air.

2. the VMC 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 VMC 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 VMC according to claim 1 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 formed Second vapor compression heat pump subsystem, the first absorbent solution heat exchanger is 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 as the second vapor compression heat pump The compression heat pump evaporator of subsystem is connected with the entrance of the second compressor, and the second expansion valve is located at first absorbent solution Between heat exchanger and first working fluid heat exchanger, the refrigerant of circulation passes through in the second vapor compression heat pump subsystem After second compressor, the hot-fluid side of the first absorbent solution heat exchanger is flowed through as generation heating agent, it is then swollen by second The first working fluid heat exchanger is inputted as condensation heating agent after swollen valve, the second compressor completion one is inputted after flowing through the first working fluid heat exchanger Secondary circulation.

5. the VMC according to claim 4 based on low valley power storage, it is characterised in that first absorbent solution Subcooler is provided between heat exchanger and the second expansion valve, second suction port of compressor one end or exit end are provided with TEMP Device, in the second vapor compression heat pump subsystem during the refrigerant circulation of circulation, flow through the first absorbent solution heat exchange Behind the hot-fluid side of device, the hot-fluid side of the subcooler is first flowed through, then inputs the heat exchange of the first working medium by the second expansion valve Device, flow through the heat of the cooling heating agent absorption refrigeration agent on subcooler cold flow side.

6. the VMC according to claim 5 based on low valley power storage, it is characterised in that also including hot water supply System, the hot water supply subsystem include cooling heat medium storage tank, and the subcooler is connected by pipeline with cooling heat medium storage tank, The cooling heating agent circulates between subcooler and cooling heat medium storage tank, and the cooling heating agent is water, the cooling heat medium storage tank It is also connected with hot water supply pipe and moisturizing pipeline.

7. the VMC according to claim 1 based on low valley power storage, it is characterised in that also including the first vapour pressure Contracting formula heat pump subsystem, the condenser of the first vapor compression heat pump subsystem are located at working medium as the 3rd working fluid heat exchanger The lower section of condensation working medium spray equipment in chamber, condenses working medium from the refrigerant suction heat for flowing through the 3rd working fluid heat exchanger And evaporate.

8. the VMC according to claim 7 based on low valley power storage, it is characterised in that the first steam compression type heat Pump subsystem is air source heat pump system, water source heat pump system or earth-source hot-pump system, when the first vapor compression heat pump When system is air source heat pump system, the refrigerant for flowing through the first vapor compression heat pump subsystem evaporator is warm from Atmospheric Absorption Measure and evaporate, when the first vapor compression heat pump subsystem is water source heat pump system or earth-source hot-pump system, flow through first The refrigerant of vapor compression heat pump subsystem evaporator absorbs heat from water and evaporated.

9. the VMC according to claim 1 based on low valley power storage, it is characterised in that the cooling heating agent is certainly Water, heat supply backwater or cooling water, domestic hot-water is provided a user as when cooling down heating agent by using running water, and passed through Heated during using heat supply backwater as cooling heating agent in the low valley power storage period to user.

10. the VMC according to claim 1 based on low valley power storage, it is characterised in that described working medium is water； Described absorbent is LiBr, LiNO₃, LiCl and CaCl₂Any of；Described refrigerant be R22, R134a, R407, R410, R600a or R450A.