CN108443954A - A kind of a variety of energy storage mode depth heat release heating systems of coupling - Google Patents
A kind of a variety of energy storage mode depth heat release heating systems of coupling Download PDFInfo
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- CN108443954A CN108443954A CN201810425547.4A CN201810425547A CN108443954A CN 108443954 A CN108443954 A CN 108443954A CN 201810425547 A CN201810425547 A CN 201810425547A CN 108443954 A CN108443954 A CN 108443954A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 97
- 238000004146 energy storage Methods 0.000 title claims abstract description 52
- 230000008878 coupling Effects 0.000 title claims abstract description 15
- 238000010168 coupling process Methods 0.000 title claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 54
- 230000008676 import Effects 0.000 claims abstract description 34
- 238000010521 absorption reaction Methods 0.000 claims abstract description 33
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000006096 absorbing agent Substances 0.000 claims abstract description 18
- 238000009835 boiling Methods 0.000 claims abstract description 5
- 230000008023 solidification Effects 0.000 claims abstract description 5
- 238000007711 solidification Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 99
- 230000005611 electricity Effects 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 9
- 238000005338 heat storage Methods 0.000 claims description 5
- 239000008236 heating water Substances 0.000 description 8
- 239000003507 refrigerant Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002407 reforming Methods 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 210000000720 eyelash Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/04—Other domestic- or space-heating systems using heat pumps
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- Thermal Sciences (AREA)
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention relates to a kind of a variety of energy storage mode depth heat release heating systems of coupling, which includes depth heat release storage tank, the second heat exchanger, third heat exchanger, electrically direct-heating boiler and absorption heat pump；The absorption heat pump includes generator, condenser, absorber and evaporator；Depth heat release storage tank is connected by the second heat release circulating pump with the import of the generator of absorption heat pump, the outlet of generator is connected with the hot side inlet of the second heat exchanger, the hot junction outlet of second heat exchanger is connected with the evaporator of absorption heat pump, and evaporator outlet is connected with another import of depth heat release storage tank；Heating circulation water water return pipeline is connected with the import of absorber all the way, and the outlet of absorber is connected with the import of condenser, and the outlet of condenser is connected with heating circulation water water supply pipe；Storage is that boiling point is more than 250 DEG C in the depth heat release storage tank, and solidification point is less than 10 DEG C of energy-accumulating medium.The system can reduce equipment investment cost and reduce floor space.
Description
Technical field
The invention belongs to clean heating field, and in particular to a kind of coupling a variety of energy storage mode depth heat release heating system
System.
Background technology
Under the overall situation that northern area cleans experience with reforming heating, North China, which is transformed traditional burning coal boiler room, to be compeled
The eyebrows and eyelashes.Night cheap trough-electricity is converted to heat to store by energy storage means, daytime peak of power consumption when
Time is released the heat of storage for heating by heat transmission equipment, is a feasible technology.Currently on the market more often
The energy storage mode seen has water energy storage and molten salt energy-storage, and the water energy-storage system for heating is the disadvantage is that energy storage warm area is relatively narrow, normal pressure system
System is only 60-95 DEG C, and system footprint area is big, and advantage is that system initial cost is smaller；Power generation molten salt energy storage system energy storage for heating
Wide temperature region, floor space is small, but initial cost is high.Moreover, because heating water return temperature is generally at 50 DEG C or so, this temperature determines
The minimum exothermic temperature of energy-storage system energy-accumulating medium, energy-storage system tend not to depth heat release, increase again to a certain extent
The initial cost of system.It influences to be every aspect, this hair to the factor of the selection of energy-storage system during practical engineering application
It is bright from the angle of engineer application, release the coupling a variety of energy storage mode depth heat releases heating system for being more suitable for engineer application
System.
Invention content
In view of the deficiencies of the prior art, the technical issues of present invention intends to solve is to provide a kind of a variety of energy storage modes of coupling
Depth heat release heating system, system be arranged water tank, depth heat release storage tank, accumulation of heat with electrode boiler (first electrode boiler and
Second electrode boiler), electrically direct-heating boiler, the capital equipments such as absorption heat pump；In the night dip electric period, pass through heat accumulating type electrode
Boiler be respectively water tank, depth heat release storage tank carry out heat storage, meanwhile, open electrically direct-heating boiler provide confession for heat user
It is warm.In the non-paddy electricity period, water tank, depth heat release storage tank enter Heat release mode simultaneously, and heating return water can reduce equipment
Cost of investment, and floor space can be reduced.
The present invention solve the technical problem the technical solution adopted is that：A kind of a variety of energy storage mode depth of coupling are provided to put
Hot heating system, it is characterised in that the system includes water tank, first electrode boiler, second electrode boiler, First Heat Exchanger, depth
Spend heat release storage tank, the second heat exchanger, third heat exchanger, electrically direct-heating boiler and absorption heat pump；The absorption heat pump includes hair
Raw device, condenser, absorber and evaporator；
The import of the first heat release circulating pump of electrically direct-heating boiler hot-water outlet connection, the outlet of the first heat release circulating pump with
Third heat exchanger hot side inlet is connected, and the hot junction outlet of third heat exchanger passes through the hot water inlet phase of branch and electrically direct-heating boiler
Even；Third heat exchanger cold side inlet is connected with heating circulation water water return pipeline, third heat exchanger cold side outlet and heating circulation water
Water supply pipe is connected；
The top water outlet of water tank is pumped by the first heat cycles to be connected with the hot water inlet of first electrode boiler, and first
The hot water outlet of electrode boiler is connected with water tank import；Meanwhile the lower part water outlet of water tank is followed with the first heat release
The import of ring pump is connected, the hot junction outlet of another import connection third heat exchanger of water tank；
The hot junction outlet of First Heat Exchanger is connected by third heat cycles pump with the hot water inlet of second electrode boiler, the
The hot water outlet of two electrode boilers and the hot side inlet of First Heat Exchanger；The cold side outlet of First Heat Exchanger and depth heat release storage tank
An import be connected, the cold side inlet of First Heat Exchanger passes through the upper outlet of the second heat cycles pump and depth heat release storage tank
Connection；
Depth heat release storage tank is connected by the second heat release circulating pump with the import of the generator of absorption heat pump, generator
Outlet is connected with the hot side inlet of the second heat exchanger, the evaporator phase of the hot junction outlet and absorption heat pump of the second heat exchanger
Even, evaporator outlet is connected with another import of depth heat release storage tank；
Heating circulation water water return pipeline is connected with the import of absorber all the way, the outlet of absorber and the import phase of condenser
Even, the outlet of condenser is connected with heating circulation water water supply pipe；Heating circulation water water return pipeline another way and the second heat exchanger
Cold side inlet be connected, the cold side outlet of the second heat exchanger is connected with heating circulation water water supply pipe；
Storage is that boiling point is more than 250 DEG C in the depth heat release storage tank, and solidification point is less than -10 DEG C of energy-accumulating medium.
Compared with prior art, the beneficial effects of the invention are as follows：
1, system has coupled water energy storage and the exothermic mode of energy-accumulating medium depth, compared with traditional water energy storage, reduces and is
Unite floor space, especially be transformed boiler room area it is smaller in the case of, system more have advantage, can it is more flexible into
The row project implementation；Compared with traditional molten salt energy-storage, the application system reduces initial cost, more economical and practicability.
2, depth heat release storage tank and absorption heat pump are used in combination system, pass through the evaporation in absorption heat pump
Device, absorber and being used cooperatively for condenser can realize depth heat release, the energy-accumulating medium after heat release in depth heat release storage tank
Temperature is minimum up to 10 DEG C, while can also meet the needs of heating circulation water outlet temperature 60；This exothermic mode of depth
The dosage of energy-accumulating medium can be reduced, also reduces the size of depth heat release storage tank accordingly, further reduced the first of equipment
Investment.
3, system be equipped with night paddy electricity electrically direct-heating boiler, the heating of paddy electricity period at night by electrically direct-heating boiler direct-furnish, meanwhile,
Another benefit that electrically direct-heating boiler is arranged is to play spare effect, can be that heat supply network heats at any time in emergency.
4, in absorption heat pump, the high temperature energy-storage medium in depth heat release storage tank is entered in the generator of heat pump and is carried out
To refrigerant, the medium temperature energy-accumulating medium after heat release enters in plate heat exchanger to exchange heat with heating circulation water for heat release, heat exchange
Low temperature energy-accumulating medium afterwards enters further heat release in evaporator and is then returned in depth heat release storage tank to refrigerant, complete
At depth exothermic process.At the same time, heating water return flow divides two-way：Flow enters directly into plate heat exchanger by all the way
Water supply major network is returned to after warm energy-accumulating medium heating；Another way heating water return enters after absorber absorbed heat, and enters back into cold
Condenser absorbs heat, and finally returns water supply major network.Flexibly two heat sources of high temperature energy-storage medium and heating water return are split into
Three heat sources that absorption heat pump needs.
5. it is water to be contained in water tank in the present invention, will be in water tank by heat accumulating type electrode boiler in the trough-electricity period
60 DEG C of water at low temperature is heated to 95 DEG C and is stored in water pot, is supplied by heat release circulating pump and heat exchanger heating in the non-paddy electricity period
Warm return water, meets heating demands.What is contained in depth heat release storage tank is that boiling point is more than 250 DEG C, and solidification point is less than -10 DEG C, including
But the energy-accumulating mediums such as inorganic salt solution, organic slat solution, freezing liquid are not limited to, are used cooperatively with absorption heat pump, it is cold by bromine
The effect of machine can fully discharge the heat in depth heat release storage tank, while can also meet heating water outlet temperature requirements.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of a variety of energy storage mode depth heat release heating systems of coupling of the present invention.
In figure, 1 first heat release circulating pump；2 water tanks；3 first heat cycles pump；4 first electrode boilers；5 second
Heat cycles pump；6 third heat cycles pump；7 second electrode boilers；8 First Heat Exchangers；9 depth heat release storage tanks；10
Two heat release circulating pumps；11 generators；12 condensers；13 absorbers；14 evaporators；15 second heat exchangers；16 heating follow
Ring water pump；17 third heat exchangers；18 electrically direct-heating boilers；A absorption heat pumps.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific embodiments and the drawings are closed, the present invention is further explained, but following embodiments are merely a preferred embodiment of the present invention, not entirely
Portion.Based on the implementation example in the implementation mode, those skilled in the art obtain it without making creative work
Its embodiment, all belongs to the protection scope of this patent.
As shown in Figure 1, a kind of a variety of energy storage mode depth heat release heating systems of coupling are mainly by the first heat release circulating pump 1；
Water tank 2；First heat cycles pump 3；First electrode boiler 4；Second heat cycles pump 5；Third heat cycles pump 6；Second electricity
Pole boiler 7；First Heat Exchanger 8；Depth heat release storage tank 9；Second heat release circulating pump 10；Second heat exchanger 15；Heating circulation water pump
16；Third heat exchanger 17；Electrically direct-heating boiler 18；Absorption heat pump A compositions.
The absorption heat pump A is made of generator 11, condenser 12, absorber 13, evaporator 14.
In system structure：
The import of 18 hot water outlet of electrically direct-heating boiler and the first heat release circulating pump 1 is connected, the outlet of the first heat release circulating pump 1
It is connected with 17 hot side inlet of third heat exchanger, the hot junction outlet of third heat exchanger 17 passes through the hot water of branch and electrically direct-heating boiler 18
Import is connected；17 cold side inlet of third heat exchanger is connected with heating circulation water water return pipeline, 17 cold side outlet of third heat exchanger and
Heating circulation water water supply pipe is connected；Electrically direct-heating boiler 18 and the first heat release circulating pump 1, third heat exchanger 17 are connected into circuit,
It is exchanged heat by third heat exchanger 17 and heating circulation return water in the high-temperature water that the trough-electricity period is heated by electrically direct-heating boiler 18,
Heating circulating backwater.
The top water outlet of water tank 2 is connected by the first heat cycles pump 3 with the hot water inlet of first electrode boiler 4,
The hot water outlet of first electrode boiler 4 is connected with an import of water tank 2；Meanwhile the lower part water outlet and first of water tank 2
The import of heat release circulating pump 1 is connected, the hot junction outlet of another import connection third heat exchanger 17 of water tank；
Water tank 2, the first heat cycles pump 3 and first electrode boiler 4 are connected into circuit, are stored in the trough-electricity period
Heat；Water tank 2, the first heat release circulating pump 1 and third heat exchanger 17 are connected into circuit, carry out heat release in the non-paddy electricity period, pass through
17 heating circulating backwater of third heat exchanger.
The hot water inlet phase that the hot junction outlet of First Heat Exchanger 8 passes through third heat cycles pump 6 and second electrode boiler 7
Even, the hot side inlet of the hot water outlet and First Heat Exchanger 8 of second electrode boiler 7；The cold side outlet and depth of First Heat Exchanger 8
One import of heat release storage tank 9 is connected, and the cold side inlet of First Heat Exchanger 8 is stored up by the second heat cycles pump 5 with depth heat release
The upper outlet of tank 9 connects；First Heat Exchanger 8, third heat cycles pump 6 and second electrode boiler 7 are connected into circuit；Depth is put
Hot tank 9, the second heat cycles pump 5 and First Heat Exchanger 8 are connected into circuit；In the trough-electricity period, added by second electrode boiler 7
The novel LMP energy-accumulating mediums of low temperature in the high-temperature-hot-water and depth heat release storage tank 9 of heat are exchanged heat by First Heat Exchanger 8, quilt
Novel LMP media after heating are stored in depth heat release storage tank 9；
Depth heat release storage tank 9 is connected by the second heat release circulating pump 10 with the import of the generator 11 of absorption heat pump A, hair
The outlet of raw device 11 is connected with the hot side inlet of the second heat exchanger 15, hot junction outlet and the absorption heat pump A of the second heat exchanger 15
14 import of evaporator be connected, evaporator 14 outlet is connected with another import of depth heat release storage tank 9；
Heating circulation water water return pipeline is connected with the import of absorber 13 all the way, outlet and the condenser 12 of absorber 13
Import is connected, and the outlet of condenser 12 is connected with heating circulation water water supply pipe；Heating circulation water water return pipeline another way and the
The cold side inlet of two heat exchangers 15 is connected, and the cold side outlet of the second heat exchanger 15 is connected with heating circulation water water supply pipe.
The depth heat release storage tank storage is that boiling point is more than 250 DEG C, and solidification point is less than -10 DEG C of energy-accumulating medium, energy storage
Medium can be inorganic salt solution, organic slat solution, freezing liquid etc..
Depth heat release storage tank 9, the second heat release circulating pump 10, absorption heat pump A and the second heat exchanger 15 are connected into circuit and exist
The non-paddy electricity period carries out depth heat release, while meeting heating circulation water leaving water temperature.Further, in depth heat release storage tank 9
High temperature LMP media, which enter in the generator 11 of absorption heat pump, carries out heat release to refrigerant, the medium temperature LMP media after heat release into
Enter and exchange heat into the second heat exchanger 15 with heating circulation water, the low temperature LMP media after heat exchange enter back into evaporator 14
Then further heat release is returned to refrigerant in depth heat release storage tank 9, complete depth exothermic process.At the same time, it heats back
Water flow divides two-way：Flow enters directly into the second heat exchanger 15 and is returned to water supply major network after the heating of medium temperature LMP media all the way；
Another way heating water return enters in absorber 13 absorbed heat after, enter back into condenser 12 and absorb heat, finally return again
To water supply major network.By above-mentioned flow, depth heat release is completed.
A kind of course of work of a variety of energy storage mode depth heat release heating systems of coupling of the present invention in the trough-electricity period be：It opens
Dynamic electrically direct-heating boiler 18, heating is provided by 17 heating recirculated water of third heat exchanger for heat user；Start the first heating to follow
Ring pump 3 and first electrode boiler 4 carry out heat storage by first electrode boiler 4 to the water at low temperature in water tank 2；Start the
Two heat cycles pump 5, third heat cycles pump 6 and second electrode boiler 7, second electrode boiler 7 is utilized by First Heat Exchanger 8
To the novel LMP energy-accumulating mediums heat storage in depth heat release storage tank 9.
A kind of course of work of a variety of energy storage mode depth heat release heating systems of coupling of the present invention in the non-trough-electricity period be：
Start the first heat release circulating pump 1, discharged the heat stored in water tank 2 by third heat exchanger 17, heating returns
Water；At the same time, start the second heat release circulating pump 10, by absorption heat pump A and the second heat exchanger 15 by depth heat release storage tank 9
The heat of storage is discharged, heating return water.
The present invention is characterized in that system has coupled water energy storage and novel LMP media energy storage depth heat release, just throwing is reduced
Money, it is more economical.
The present invention is characterized in that night paddy electricity electrically direct-heating boiler 18 carries out direct-furnish at night, in the base for meeting heating demands
On plinth, moreover it is possible to play spare effect.
The present invention is characterized in that circulating pump used in system (the first heat cycles pump, the first heat release circulating pump, the second heating
Circulating pump, third heat cycles pump, the second heat release circulating pump) it is variable frequency pump, variable frequency adjustment can be carried out according to outlet temperature and followed
Circulation ensures the normal operation of system.
Depth heat release storage tank 9 and absorption heat pump A are used in combination present system, by absorption heat pump A
Absorber, condenser and evaporator with the use of can realize depth heat release, it is novel in depth heat release storage tank 9 after heat release
The temperature of LMP energy-accumulating mediums is minimum up to 10 DEG C, while can also meet the needs of 60 DEG C of heating circulation water outlet temperature.Using
The heating system energy-accumulating medium dosage of the application is few, also reduces the size of depth heat release storage tank accordingly, significantly reduces and set
Standby initial cost.
High temperature LMP energy-accumulating mediums in the present invention in depth heat release storage tank 9 are entered in the generator 11 of heat pump A and are put
Heat gives refrigerant, and the medium temperature LMP energy-accumulating mediums after heat release enter in the second heat exchanger 15 to exchange heat with heating circulation water, changes
Low temperature LMP energy-accumulating mediums after heat enter further heat release in evaporator 14 and then return depth heat release storage to refrigerant
In tank 9, depth exothermic process is completed.At the same time, heating water return flow divides two-way：Flow enters directly into the second heat exchange all the way
Water supply major network is returned to after being heated by medium temperature LMP energy-accumulating mediums in device 15；Another way heating water return enters absorber 13 and is inhaled
After heat, enters back into condenser 12 and absorb heat, finally return water supply major network.Neatly by high temperature LMP energy-accumulating mediums and confession
Warm two heat sources of return water have split into three heat sources that absorption heat pump A needs.
Embodiment 1
The present embodiment heating system uses above-mentioned connection relation, is contained by Beijing people's profit energy storage technology in depth heat release storage tank
The novel LMP molten salt energy-storages medium that Co., Ltd provides, such medium is nontoxic non-corrosive, and being combined with absorption heat pump makes
With energy storage warm area can be between 10 DEG C -220 DEG C, and the heat in this temperature range can be used for heating return water.
Trough-electricity period, second electrode boiler carry out heat accumulation by the energy-accumulating medium in 8 heat penetration heat release storage tank of First Heat Exchanger, supply
The non-paddy electricity period uses.By to certain heat supply factory into for experience with reforming heating, power meter out temperature, the stream of selected each equipment
Amount is as follows：
The power of first electrode boiler 4 is 53MW, and the power of second electrode boiler 7 is 27MW, the work(of electrically direct-heating boiler 18
Rate is 40MW.The hot water inlet temperature 60 C of first electrode boiler 4, flow 2650m3The hot water of/h, first electrode boiler 4 go out
95 DEG C of temperature of mouth, flow 2650m3/h；The hot water inlet temperature of second electrode boiler 7 is 40 DEG C, flow 560m3/ h, second
The hot water outlet temperature of electrode boiler 7 is 204 DEG C, flow 560m3/h；The flow of second heat cycles pump 5 is 750m3/ h, into
8 cold-side inlet temperature of First Heat Exchanger is 20 DEG C, and it is 190 DEG C to export；The flow of second heat release circulating pump 10 is 220m3/ h, into
The inlet temperature of absorption heat pump A is 190 DEG C, and the outlet of the evaporator 14 of absorption heat pump A is 20 DEG C.It is transported by the above parameter
Row, disclosure satisfy that 2,170,000 square metres of heating demands.
It is the estimation investment and floor space of three kinds of energy storage modes of the project below：
| Project energy storage mode | It invests (ten thousand yuan) | Floor space (m2) |
| Water energy storage | 12774 | 2500 |
| Molten salt energy-storage | 21860 | 1600 |
| A variety of energy storage depth heat releases | 15605 | 1500 |
A variety of energy storage depth thermal desorption system output investment ratio water energy storage are slightly higher but lower than molten salt energy-storage as can be seen from the above table；It accounts for
Ground area is smaller than water energy storage and molten salt energy-storage is close, therefore the application heating system is reducing floor space with respect to molten salt energy-storage
While can significantly reduce Original equipment investment, opposite water energy storage can be in the case where ensureing that initial investment increases less significantly
Floor space is reduced, energy storage warm area is widened, there is better practicability and economy.
The present invention does not address place and is suitable for the prior art, and involved equipment can be commercially available.
Claims (4)
1. a kind of a variety of energy storage mode depth heat release heating systems of coupling, it is characterised in that the system includes water tank, the first electricity
Pole boiler, second electrode boiler, First Heat Exchanger, depth heat release storage tank, the second heat exchanger, third heat exchanger, electrically direct-heating boiler
And absorption heat pump；The absorption heat pump includes generator, condenser, absorber and evaporator；
The import of the first heat release circulating pump of the electrically direct-heating boiler hot-water outlet connection, the outlet of the first heat release circulating pump and third
Heat exchanger hot side inlet is connected, and the hot junction outlet of third heat exchanger is connected by branch with the hot water inlet of electrically direct-heating boiler；The
Three heat exchanger cold side inlets are connected with heating circulation water water return pipeline, third heat exchanger cold side outlet and heating circulation water feed pipe
Road is connected；
The top water outlet of water tank is pumped by the first heat cycles to be connected with the hot water inlet of first electrode boiler, first electrode
The hot water outlet of boiler is connected with water tank import；Meanwhile the lower part water outlet of water tank and the first heat release circulating pump
Import be connected, the hot junction outlet of another import of water tank connection third heat exchanger；
The hot junction outlet of First Heat Exchanger is connected by third heat cycles pump with the hot water inlet of second electrode boiler, the second electricity
The hot water outlet of pole boiler and the hot side inlet of First Heat Exchanger；The cold side outlet of First Heat Exchanger and the one of depth heat release storage tank
A import is connected, and the cold side inlet of First Heat Exchanger is connected by the second heat cycles pump and the upper outlet of depth heat release storage tank
It connects；
Depth heat release storage tank is connected by the second heat release circulating pump with the import of the generator of absorption heat pump, the outlet of generator
It is connected with the hot side inlet of the second heat exchanger, the hot junction outlet of the second heat exchanger is connected with the evaporator of absorption heat pump,
Evaporator outlet is connected with another import of depth heat release storage tank；
Heating circulation water water return pipeline is connected with the import of absorber all the way, and the outlet of absorber is connected with the import of condenser,
The outlet of condenser is connected with heating circulation water water supply pipe；Heating circulation water water return pipeline another way is cold with the second heat exchanger
Import is held to be connected, the cold side outlet of the second heat exchanger is connected with heating circulation water water supply pipe；
Storage is that boiling point is more than 250 DEG C in the depth heat release storage tank, and solidification point is less than -10 DEG C of energy-accumulating medium.
2. a variety of energy storage mode depth heat release heating systems of coupling according to claim 1, which is characterized in that the system
The course of work is：
It is in the course of work of trough-electricity period：Start electrically direct-heating boiler, is heat by third heat exchanger heating recirculated water
User provides heating；Start the first heat cycles pump and first electrode boiler, by first electrode boiler to low in water tank
Warm water carries out heat storage；Start the second heat cycles pump, third heat cycles pump and second electrode boiler, passes through the first heat exchange
Device is using second electrode boiler to energy-accumulating medium heat storage in depth heat release storage tank；
It is in the course of work of non-trough-electricity period：Start the first heat release circulating pump, will be stored up in water tank by third heat exchanger
The heat deposited is discharged, heating return water；At the same time, start the second heat release circulating pump, pass through absorption heat pump and the
Two heat exchangers discharge the heat that depth heat release storage tank stores, heating return water.
3. a variety of energy storage mode depth heat release heating systems of coupling according to claim 1, it is characterised in that described first
Heat cycles pump, the first heat release circulating pump, the second heat cycles pump, third heat cycles pump, the second heat release circulating pump are to become
Frequency pumps.
4. according to any a variety of energy storage mode depth heat release heating systems of coupling of claim 1-3, it is characterised in that institute
It is the novel LMP molten salt energy-storages medium that Beijing Min Li energy storage technologies Co., Ltd provides to state energy-accumulating medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810425547.4A CN108443954B (en) | 2018-05-07 | 2018-05-07 | Deep heat release heating system with multiple energy storage modes in coupling mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810425547.4A CN108443954B (en) | 2018-05-07 | 2018-05-07 | Deep heat release heating system with multiple energy storage modes in coupling mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108443954A true CN108443954A (en) | 2018-08-24 |
| CN108443954B CN108443954B (en) | 2024-06-07 |
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| CN201810425547.4A Active CN108443954B (en) | 2018-05-07 | 2018-05-07 | Deep heat release heating system with multiple energy storage modes in coupling mode |
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