CN106767080A - A kind of double evaporation double-condensing multi-state energy-storage systems - Google Patents
A kind of double evaporation double-condensing multi-state energy-storage systems Download PDFInfo
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- CN106767080A CN106767080A CN201710033244.3A CN201710033244A CN106767080A CN 106767080 A CN106767080 A CN 106767080A CN 201710033244 A CN201710033244 A CN 201710033244A CN 106767080 A CN106767080 A CN 106767080A
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- 230000008020 evaporation Effects 0.000 title claims abstract description 72
- 238000001704 evaporation Methods 0.000 title claims abstract description 72
- 238000004146 energy storage Methods 0.000 title claims abstract description 31
- 238000003860 storage Methods 0.000 claims abstract description 69
- 239000007788 liquid Substances 0.000 claims description 55
- 238000001816 cooling Methods 0.000 claims description 38
- 238000009825 accumulation Methods 0.000 claims description 28
- 230000005494 condensation Effects 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- 238000010438 heat treatment Methods 0.000 description 18
- 239000000498 cooling water Substances 0.000 description 9
- 230000005611 electricity Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012271 agricultural production Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 3
- 238000009360 aquaculture Methods 0.000 description 3
- 244000144974 aquaculture Species 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The present invention provides a kind of double evaporation double-condensing multi-state energy-storage systems, including：Central control unit, it is characterised in that the central control unit is connected with：First evaporation element, the second evaporation element, the first condensing unit, and the second condensing unit, wherein, first condensing unit is connected with the first working cell by pipeline；Second condensing unit is connected with the second working cell, and/or Storage Unit by pipeline；First evaporation element is connected with the 3rd working cell by pipeline；Second evaporation element is connected with Storage Unit by pipeline.
Description
Technical field
It is to be related to a kind of double evaporation double-condensing multi-state accumulation of energy systems specifically the present invention relates to energy accumulating technique field
System.
Background technology
With the development and the improvement of people's living standards of social economy, the energy requirement of daily life and production process and
Consumption is increasing, for example, it is necessary to normally opened air-conditioning realizes cooling during summer, it is necessary to burning boiler realizes heating during winter.It is excessive
Energy requirement and consumption, on the one hand, greatly improve life and the cost of production；On the other hand, return environment and bring huge
Pollution, causes some areas serious haze weather occur.
Therefore, a kind of double evaporation double-condensing multi-state energy-storage systems how are researched and developed, is become as technology urgently to be resolved hurrily is asked
Topic.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of double evaporation double-condensing multi-state energy-storage systems, to solve
The problems such as reduction system energy consumption that cannot be realized, raising energy storage efficiency, reduction operating cost.
In order to solve the above technical problems, the invention provides a kind of double evaporation double-condensing multi-state energy-storage systems, including：
Central control unit, it is characterised in that the central control unit is connected with：First evaporation element, the second evaporation element, first
Condensing unit, and the second condensing unit, wherein,
First condensing unit is connected with the first working cell by pipeline；
Second condensing unit is connected with the second working cell, and/or Storage Unit by pipeline；
First evaporation element is connected with the 3rd working cell by pipeline；
Second evaporation element is connected with Storage Unit by pipeline.
Preferably, first liquid is provided with second evaporation element, the first liquid is used for single in the described second evaporation
Flowed between the first and Storage Unit, and to the Storage Unit cold-storage, the cold-storage for realizing for the first operating mode time.
Preferably, the Storage Unit is connected with the first plate-type heat-exchange unit, and the Storage Unit is board-like by described first
Heat exchange unit carries out cooling, the cooling for realizing for the second operating mode time；And/or
The 3rd liquid is provided with first evaporation element, the 3rd liquid is used for the 3rd job note flow filament
It is dynamic, the cooling for realizing for the second operating mode time.
Preferably, second liquid is provided with second condensing unit, the second liquid is used for single in the described second condensation
Flowed between first and described Storage Unit, and to the Storage Unit accumulation of heat, the accumulation of heat for realizing for the 3rd operating mode time.
Preferably, the Storage Unit is connected with the first plate-type heat-exchange unit, and the Storage Unit is board-like by described first
Heat exchange unit carries out heat exchange, the heat supply for realizing for the 4th operating mode time；And/or
The 4th liquid is provided with first condensing unit, the 4th liquid is used for the first job note flow filament
It is dynamic, the heat supply for realizing for the 4th operating mode time.
Preferably, second liquid is provided with second condensing unit, the second liquid is used for single in the described second condensation
Flowed between first and second working cell, for realizing the first operating mode time, the second operating mode time or the 4th operating mode time
Heat supply.
Preferably, first condensing unit is connected with second condensing unit, in the first operating mode time, second
It is operating mode time or the 4th operating mode time, single by the described first condensation when the second working cell can not consume net quantity of heat
Unit is transferred heat in the first working cell.
Preferably, first evaporation element obtains heat from the 3rd working cell.
The second plate-type heat-exchange unit is preferably provided between second condensing unit and second working cell, it is described
Second condensing unit is by the second plate-type heat-exchange unit to second working cell heat supply.
Preferably, the first operating mode time is operating mode time night summer；
The second operating mode time is operating mode time in the daytime summer；
The 3rd operating mode time is operating mode time night in winter；
The 4th operating mode time is operating mode time in the daytime in winter.
Compared with prior art, double evaporation double-condensing multi-state energy-storage systems of the present invention, have reached following effect
Really：
(1) with double evaporations, double-condensing energy-storage system, by the double evaporations of control and the running status of double condensing units,
The optimal design-aside of accumulation of heat and cold-storage is realized, system energy consumption is reduced, energy storage efficiency is improved.
(2) the mutual switching between various working is realized, flexibility and the high efficiency of system is improve, makes heat supply in winter
Energy utilization rate with cooling in summer pattern is greatly improved.
(3) by daytime and the difference of night electricity price, the cooperation between double evaporations and double condensing units is effectively utilized, is delayed
Solve the pressure of peak times of power consumption so that the operating cost of system is substantially reduced, improve the economy of system.
(4) the conventional single evaporator Double-working-condition system of double evaporators contrast, when advantage is summer day cooling operating mode, one
The refrigerating medium of evaporator is conventional water, the evaporator may not necessarily can be exchanged heat by plate type heat exchanger, it is to avoid one
Secondary temperature loss, is directly end cooling.
(5) system of the conventional single condenser of double-condenser contrast, when advantage is supplying thermal condition on daytime, outflow condensation is single
The liquid of unit need not be by the first plate type heat exchanger, can directly for being end heat supply, it is to avoid temperature loss.
(6) Storage Unit daytime exoergic operating mode be used for peak regulation so that main frame cooling or supplying thermal condition all the time in effect
In the range of rate highest, reducing energy consumption reduces operating cost.
(7) main frame of double evaporators, it is not necessary to base main chiller, corresponding base load cooling water pump, base load freezing is separately configured
Water pump, base load cooling tower need not all be separately configured.
(8) with it is applied widely the characteristics of, except the heating and cooling that can be used in daily life, can be also used for industry
Or in agricultural production, such as occasion such as natatorium heating system, aquaculture, soilless hydroponic culture, agricultural greenhouse, livestock-raising.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes a part of the invention, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of the double evaporation double-condensing multi-state energy-storage systems described in the embodiment of the present invention 1；
Fig. 2 is the structural representation of the double evaporation double-condensing multi-state energy-storage systems described in the embodiment of the present invention 2；
Fig. 3 is the structural representation of the double evaporation double-condensing multi-state energy-storage systems described in the embodiment of the present invention 3；
Fig. 4 is the structural representation of the double evaporation double-condensing multi-state energy-storage systems described in the embodiment of the present invention 4；
Fig. 5 is the structural representation of the double evaporation double-condensing multi-state energy-storage systems described in the embodiment of the present invention 5.
Specific embodiment
Describe embodiments of the present invention in detail below in conjunction with schema and embodiment, thereby how the present invention is applied
Technological means can fully understand and implement according to this to solve technical problem and reach the implementation process of technology effect.
Embodiment 1
As shown in figure 1, the present embodiment provides a kind of double evaporation double-condensing multi-state energy-storage systems, including：Center control
Unit, it is characterised in that the central control unit is connected with：First evaporation element, the second evaporation element, the first condensation is single
Unit, and the second condensing unit, wherein,
First condensing unit is connected with the first working cell by pipeline；
Second condensing unit is connected with the second working cell, and/or Storage Unit by pipeline；
First evaporation element is connected with the 3rd working cell by pipeline；
Second evaporation element is connected with Storage Unit by pipeline.
Preferably,
First liquid is provided with second evaporation element, the first liquid is used in second evaporation element and institute
Flowing between Storage Unit is stated, and to the Storage Unit cold-storage, realizes the charge cycle of the first operating mode time.Specifically, institute
Stating first liquid can be for water, or the liquid with antifreezing effect such as ethylene glycol solution, in actual applications, second evaporation
The first liquid of low temperature enters in Storage Unit in unit, cold-storage or ice-reserving in the Storage Unit, and then, temperature is higher
First liquid is returned in second evaporation element, realizes completing kind of refrigeration cycle in the first operating mode time；Further, described
Two evaporation elements can be the second evaporator, and the Storage Unit can be Ice Storage Tank, or other cold-storage apparatus, the accumulation of energy list
Unit is used for cold-storage, and realizes continuing the effect such as cold-storage or cooling under the instruction of central control unit.
Be provided with second liquid in second condensing unit, the second liquid be used for second condensing unit with
Flowed between second working cell, realize the heating cycle of the first operating mode time；Specifically, the second liquid is water,
In actual applications, temperature cooling water higher is flowed out in second condensing unit can be transferred heat to by heat exchange unit
Second working cell, after heat-shift, the relatively low cooling water of temperature is returned in second condensing unit, when realizing the first operating mode
Between heating cycle；Further, second condensing unit can be the second condenser, and second working cell can be
Accumulation of heat tank or other thermal storage equipments for providing domestic hot-water；The heat exchange unit can be plate type heat exchanger.
First condensing unit is connected with second condensing unit, in the first operating mode time, when the second work
When making unit and can not consume net quantity of heat, transfer heat to be carried out in the first working cell by first condensing unit
Heat supply and/or accumulation of heat.Specifically, first condensing unit be the first condenser, first working cell be underground pipe or
Other receive the thermal storage equipment of used heat.
Preferably,
The 3rd liquid is provided with first evaporation element, the 3rd liquid is used for the 3rd job note flow filament
It is dynamic, realize the cooling of the second operating mode time；Specifically, preferred 3rd liquid is water in the present embodiment, in actual applications,
Water in first evaporation element enters in the 3rd working cell, is the 3rd working cell cooling, is life, production cooling；
Further, first evaporation element can be the first evaporator, and the 3rd working cell is end cooling equipment, that is, use
Family end；
The Storage Unit is connected with the first plate-type heat-exchange unit, and the Storage Unit passes through the first plate-type heat-exchange list
Unit carries out cooling, the cooling for realizing for the second operating mode time.
Second liquid is provided with second condensing unit, the second liquid is used in second condensing unit and institute
Flowing between the second working cell is stated, the heating cycle of the second operating mode time is realized；
First condensing unit is connected with second condensing unit, in the second operating mode time, when the second work
When making unit and can not consume net quantity of heat, in transferring heat to the first working cell by first condensing unit.Institute
The heat supply of the second operating mode time is stated, the heat-supplying mode with the first operating mode time is identical, i.e., described first condensing unit and second cold
The working method of solidifying unit is identical, is not repeated herein.
Preferably,
Second liquid is provided with second condensing unit, the second liquid is used in second condensing unit and institute
Flowing between Storage Unit is stated, and to the Storage Unit accumulation of heat, realizes the accumulation of heat circulation of the 3rd operating mode time.Specifically, institute
Second liquid is stated for water, in actual applications, Storage Unit described in heat current direction higher in second condensing unit,
Accumulation of heat in the Storage Unit, then, the relatively low current of temperature are returned in second condensing unit, and second is realized by the circulation
Accumulation of heat of the condensing unit to the Storage Unit works, and the Storage Unit is used under the instruction of the central control unit,
Store heat and/or to terminal heat supply.Now, first evaporation element connects the 3rd working cell, from the 3rd work
Heat is obtained in unit, herein, the 3rd working cell be ground source, water source or other can provide heat place or set
It is standby.
Preferably,
The 4th liquid is provided with first condensing unit, the 4th liquid is used for the first job note flow filament
It is dynamic, realize the heat supply of the 4th operating mode time；4th liquid can it is identical from the second liquid also can be different, the present embodiment
In preferably the 4th liquid be water.In actual applications, in first condensing unit described in heat current direction higher
One working cell, and carry out heat supply.Herein, first working cell is the user terminal or other equipment for heat supply.
The Storage Unit is connected with the first plate-type heat-exchange unit, and the Storage Unit passes through the first plate-type heat-exchange list
Unit carries out heat exchange, the heat supply for realizing for the 4th operating mode time；
Second liquid is provided with second condensing unit, the second liquid is used in second condensing unit and institute
Flowing between the second working cell is stated, the heating cycle of the 4th operating mode time is realized.Specifically, the second liquid is water,
Temperature cooling water higher is flowed out in practical application, in second condensing unit and transfers heat to second by heat exchange unit
Working cell, after heat-shift, the relatively low cooling water of temperature is returned in second condensing unit, realizes for the 4th operating mode time
Heating cycle；Further, second condensing unit can be the second condenser, second working cell can be for
The accumulation of heat tank or other equipment of domestic hot-water are provided.
Preferably,
First evaporation element obtains heat from the 3rd working cell.In actual applications, described first steams
Bill unit can obtain heat from underground pipe.
Preferably,
The second plate-type heat-exchange unit, described second are provided between second condensing unit and second working cell
Condensing unit is by the second plate-type heat-exchange unit to second working cell heat supply.Specifically, the plate-type heat-exchange list
Unit is plate type heat exchanger, and it has high thermal conductivity, high-drag pressure drop and high shear stress, can save the heat-transfer surface of heat exchanger
Product.
Preferably,
The first operating mode time is operating mode time night summer；
The second operating mode time is operating mode time in the daytime summer；
The 3rd operating mode time is operating mode time night in winter；
The 4th operating mode time is operating mode time in the daytime in winter.
Preferably,
Control valve, and/or pump are provided with each pipeline.The control valve includes a port valve, two-port valve, triple valve or four-way
Valve, the pump includes but is not limited to water pump and eg pump.
Preferably,
First working cell, the second working cell, and/or the 3rd working cell are power consumption or energy supply terminal.Specifically
Ground, it is described power consumption terminal can for hot water supply terminal, Central Heating Providing terminal, cold feed terminal, cold air supply terminal or its
The power consumption terminal of his form, the energy supply terminal can be water source, Di Yuan, plant emissions waste heat or other energy supply source terminals, sheet
Art personnel can be configured according to actual conditions, be not repeated herein.
In the present embodiment, preferably described first liquid, second liquid, the 3rd liquid, the 4th liquid are water, because water has
Nonhazardous, nonstaining property, and cheap, practicality is high, certainly, the first liquid when for ice-reserving, Ke Yishi
Anti-icing fluid, such as ethylene glycol solution, are not repeated herein.
Embodiment 2
As shown in Fig. 2 the basis based on embodiment 1, a kind of double evaporation double-condensing multi-state accumulation of energys of the present embodiment offer
System, it was applied to for the first operating mode time, and the first operating mode time described in the present embodiment is operating mode time night summer, specifically
Ground, such as operating mode time night summer, summer 22:00-6:00 (different regions electrovalence policy difference, it is true according to actual conditions
Determine the operating mode time at night), now, electricity price is in night dip electricity section, and preferably described system carries out cold-storage work, certainly, also may be used
Carry out cooling and heat supply work.Specifically：
Liquid in second evaporation element enters in Storage Unit, after refrigeration, in the Storage Unit cold-storage or
Ice-reserving, then, temperature liquid higher is returned in second evaporation element, realizes that completing refrigeration in the first operating mode time follows
Ring, the preferred Storage Unit is Ice Storage Tank in the present embodiment, and for ice-reserving, stored ice is carried out on daytime or other periods
Ice-melt, then to terminal cooling, realizes in low power consumption time cold-storage, in peak of power consumption time cooling, optimization energy consumption configuration, drop
Low system operation expense, while can guarantee that the demand of cooling again.
Further, when supplying hot water is needed in the first operating mode time, higher cold of temperature in second condensing unit
But water can transfer heat to the second working cell by the second plate type heat exchanger, after heat-shift, the relatively low cooling water of temperature
Return in second condensing unit, realize the heat supply of the first operating mode time, and complete thermal cycle；In the present embodiment, preferred institute
It can be water supply terminal or heat dissipation terminal to state the second working cell, or accumulation of heat tank, whole to supplying water by accumulation of heat tank
End hot-water supply, those skilled in the art can be configured according to actual conditions, be not repeated herein.
Further, first condensing unit is connected with second condensing unit, when the second working cell can not
When consuming net quantity of heat, transfer heat to carry out accumulation of heat in the first working cell by first condensing unit.This reality
Apply in example, preferably described first working cell is underground pipe, it can be used to store heat, and when needed by stored heat
Carry out transmission heat supply.
Embodiment 3
As shown in figure 3, the basis based on embodiment 1 or 2, a kind of double evaporation double-condensing multi-states storages of the present embodiment offer
Can system, it was applied to for the second operating mode time, and the second operating mode time described in the present embodiment is operating mode time in the daytime summer, specifically
Ground, the summer, there was following feature the operating mode time in the daytime：Air-conditioning system load is larger, and need for electricity is higher, and electricity price is in and puts down
Section and crest segment high, preferably described system carries out cooling work, it is of course also possible to carry out heat supply work.Specifically：
Based on the basis of embodiment 2, if in summer night-time hours, the ice-reserving in the Storage Unit, then, preferably by institute
The ice-out in Storage Unit is stated, is terminal cooling by the first plate-type heat-exchange unit, realized in the second operating mode time, ice-melt is supplied
It is cold, while reducing energy ezpenditure, it is ensured that the demand of cooling.
It is of course also possible to pass through liquid in first evaporation element (such as：Water) enter in the 3rd working cell,
It is the 3rd working cell cooling, is life, production cooling；Further, first evaporation element can be the first evaporator,
3rd working cell is end cooling equipment, such as cooling user terminal.
The heat supply of the second operating mode time, the heat-supplying mode with the first operating mode time is identical, i.e., described first condensation is single
The working method of first, the second condensing unit is identical, is not repeated herein.
Embodiment 4
As shown in figure 4, the basis based on embodiment 1, a kind of double evaporation double-condensing multi-state accumulation of energys of the present embodiment offer
System, it was applied to for the 3rd operating mode time, and the 3rd operating mode time described in the present embodiment is operating mode time night in winter, specifically
Ground, such as operating mode time night in winter, winter 22:00-6:00 (different regions electrovalence policy difference, it is true according to actual conditions
Determine the operating mode time at night), now at a low ebb section of electricity price, preferably described system carries out accumulation of heat work, is heated, heat supply.Tool
Body ground：
Storage Unit described in heat current direction higher in second condensing unit, the accumulation of heat in the Storage Unit, so
Afterwards, during the relatively low current of temperature return to second condensing unit, realize the second condensing unit to the accumulation of energy by the circulation
The accumulation of heat work of unit, the Storage Unit is used under the instruction of the central control unit, to terminal heat supply, heating.
Further, if there is thermic load at night, the first condensing unit is directly terminal heat supply, if night is negative without heat
Lotus, then the first condensing unit do not work.
Further, first evaporation element obtains heat from the 3rd working cell, in actual applications, institute
State the first evaporation element and heat is obtained from underground pipe.
Further, in the 3rd operating mode time, second evaporation element does not work.
Embodiment 5
As shown in figure 5, the basis based on embodiment 1 and embodiment 4, it is many that the present embodiment provides a kind of double evaporation double-condensings
Operating mode energy-storage system, it was applied to for the 4th operating mode time, the 4th operating mode time described in the present embodiment be winter in the daytime operating mode when
Between, specifically, the winter, there was following feature the operating mode time in the daytime：The larger need for electricity of air-conditioning system load is higher, and electricity price
In flat section and crest segment high, preferably described system carries out heat supply work.Specifically：
Based on the basis of embodiment 4, when night in winter, the accumulation of heat in the Storage Unit, then, preferably described accumulation of energy list
The heat of storage is carried out heat exchange by unit by the first plate-type heat-exchange unit, the confession for realizing for the 4th operating mode time
Heat；In actual applications, the Storage Unit is accumulation of heat tank, and it passes through the first plate type heat exchanger and is handed over the heat of deposit
Change, for terminal heat supply or heating, realizing in peak of power consumption section, that is, reducing energy ezpenditure, reducing operating cost, ensure again
The demand of heat supply.
Certainly, can also be gone forward side by side by the first working cell described in the current direction higher of heat in first condensing unit
Row heat supply.In the present embodiment, preferably described first working cell is heat supply terminal, for providing heat energy for life, production, for example
Hot water, heating etc. are provided, in actual applications, the energy-storage system may be used also except the heating and cooling that can be used in daily life
For in industry or agricultural production, such as natatorium heating system, aquaculture, soilless hydroponic culture, agricultural greenhouse, livestock-raising etc.
Occasion.
Further, temperature cooling water higher is flowed out in second condensing unit and passes through the second plate type heat exchanger by heat
Amount passes to the second working cell, and after heat-shift, the relatively low cooling water of temperature is returned in second condensing unit, realizes the
The heating cycle of four operating mode times；Second working cell can be accumulation of heat terminal or heat supply terminal, for providing life heat
Water, and/or heating supply.
Further, first evaporation element obtains heat from the 3rd working cell.In actual applications, institute
Stating the first evaporation element can obtain heat from underground pipe, reduce heat supply energy consumption.
Further, in the 4th operating mode time, second evaporation element does not work.
Compared with prior art, double evaporation double-condensing multi-state energy-storage systems of the present invention, have reached following effect
Really：
(1) with double evaporations, double-condensing energy-storage system, by the double evaporations of control and the running status of double condensing units,
The optimal design-aside of accumulation of heat and cold-storage is realized, system energy consumption is reduced, energy storage efficiency is improved.
(2) the mutual switching between various working is realized, flexibility and the high efficiency of system is improve, makes heat supply in winter
Energy utilization rate with cooling in summer pattern is greatly improved.
(3) by daytime and the difference of night electricity price, the cooperation between double evaporations and double condensing units is effectively utilized, is delayed
Solve the pressure of peak times of power consumption so that the operating cost of system is substantially reduced, improve the economy of system.
(4) the conventional single evaporator Double-working-condition system of double evaporators contrast, when advantage is summer day cooling operating mode, one
The refrigerating medium of evaporator is conventional water, the evaporator may not necessarily can be exchanged heat by plate type heat exchanger, it is to avoid one
Secondary temperature loss, is directly end cooling.
(5) system of the conventional single condenser of double-condenser contrast, when advantage is supplying thermal condition on daytime, outflow condensation is single
The liquid of unit need not be by the first plate type heat exchanger, can directly for being end heat supply, it is to avoid temperature loss.
(6) Storage Unit daytime exoergic operating mode be used for peak regulation so that main frame cooling or supplying thermal condition all the time in effect
In the range of rate highest, reducing energy consumption reduces operating cost.
(7) main frame of double evaporators, it is not necessary to base main chiller, corresponding base load cooling water pump, base load freezing is separately configured
Water pump, base load cooling tower need not all be separately configured.
(8) with it is applied widely the characteristics of, except the heating and cooling that can be used in daily life, can be also used for industry
Or in agricultural production, such as occasion such as natatorium heating system, aquaculture, soilless hydroponic culture, agricultural greenhouse, livestock-raising.
Described above has shown and described some preferred embodiments of the invention, but as previously described, it should be understood that the present invention
Be not limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and can be used for various other combinations,
Modification and environment, and can be in invention contemplated scope described herein, by above-mentioned teaching or the technology or knowledge of association area
It is modified.And the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention, then all should be in this hair
In the protection domain of bright appended claims.
Claims (10)
1. a kind of pair evaporates double-condensing multi-state energy-storage system, including：Central control unit, it is characterised in that the center
Control unit is connected with：First evaporation element, the second evaporation element, the first condensing unit, and the second condensing unit, wherein,
First condensing unit is connected with the first working cell by pipeline；
Second condensing unit is connected with the second working cell, and/or Storage Unit by pipeline；
First evaporation element is connected with the 3rd working cell by pipeline；
Second evaporation element is connected with Storage Unit by pipeline.
2. according to claim 1 pair evaporates double-condensing multi-state energy-storage system, it is characterised in that second evaporation
First liquid is provided with unit, the first liquid is used to be flowed between second evaporation element and the Storage Unit,
And to the Storage Unit cold-storage, the cold-storage for realizing for the first operating mode time.
3. according to claim 2 pair evaporates double-condensing multi-state energy-storage system, it is characterised in that
The Storage Unit is connected with the first plate-type heat-exchange unit, and the Storage Unit is entered by the first plate-type heat-exchange unit
Row cooling, the cooling for realizing for the second operating mode time；And/or
The 3rd liquid is provided with first evaporation element, the 3rd liquid is used to be flowed to the 3rd working cell, uses
In the cooling for realizing for the second operating mode time.
4. according to claim 1 pair evaporates double-condensing multi-state energy-storage system, it is characterised in that second condensation
Second liquid is provided with unit, the second liquid is used to be flowed between second condensing unit and the Storage Unit,
And to the Storage Unit accumulation of heat, the accumulation of heat for realizing for the 3rd operating mode time.
5. according to claim 4 pair evaporates double-condensing multi-state energy-storage system, it is characterised in that
The Storage Unit is connected with the first plate-type heat-exchange unit, and the Storage Unit is entered by the first plate-type heat-exchange unit
Row heat exchange, the heat supply for realizing for the 4th operating mode time；And/or
The 4th liquid is provided with first condensing unit, the 4th liquid is used to be flowed to first working cell, uses
In the heat supply for realizing for the 4th operating mode time.
6. double evaporation double-condensing multi-state energy-storage systems according to claim 2,3 or 5, it is characterised in that described
Second liquid is provided with two condensing units, the second liquid is used in second condensing unit and second working cell
Between flow, the heat supply for realizing the first operating mode time, the second operating mode time or the 4th operating mode time.
7. according to claim 6 pair evaporates double-condensing multi-state energy-storage system, it is characterised in that first condensation
Unit is connected with second condensing unit, in the first operating mode time, the second operating mode time or the 4th operating mode time,
When the second working cell can not consume net quantity of heat, the first job note is transferred heat to by first condensing unit
In unit.
8. double evaporation double-condensing multi-state energy-storage systems according to claim 4 or 5, it is characterised in that described first
Evaporation element obtains heat from the 3rd working cell.
9. according to claim 1 pair evaporates double-condensing multi-state energy-storage system, it is characterised in that second condensation
The second plate-type heat-exchange unit is provided between unit and second working cell, second condensing unit passes through described second
Plate-type heat-exchange unit is to second working cell heat supply.
10. double evaporation double-condensing multi-state energy-storage systems according to claim 2,3,4 or 5, it is characterised in that
The first operating mode time is operating mode time night summer；
The second operating mode time is operating mode time in the daytime summer；
The 3rd operating mode time is operating mode time night in winter；
The 4th operating mode time is operating mode time in the daytime in winter.
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