CN107388864A - Heat supply heat reservoir and method - Google Patents
Heat supply heat reservoir and method Download PDFInfo
- Publication number
- CN107388864A CN107388864A CN201710426820.0A CN201710426820A CN107388864A CN 107388864 A CN107388864 A CN 107388864A CN 201710426820 A CN201710426820 A CN 201710426820A CN 107388864 A CN107388864 A CN 107388864A
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- Prior art keywords
- heat
- fused salt
- exchanger rig
- thermal source
- salt tank
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 150000003839 salts Chemical class 0.000 claims abstract description 200
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 239000000284 extract Substances 0.000 claims abstract description 11
- 239000002028 Biomass Substances 0.000 claims description 33
- 239000000446 fuel Substances 0.000 claims description 33
- 230000005611 electricity Effects 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 20
- 239000002918 waste heat Substances 0.000 claims description 13
- 239000006004 Quartz sand Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims 1
- 238000009825 accumulation Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 235000017060 Arachis glabrata Nutrition 0.000 description 2
- 244000105624 Arachis hypogaea Species 0.000 description 2
- 235000010777 Arachis hypogaea Nutrition 0.000 description 2
- 235000018262 Arachis monticola Nutrition 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000010903 husk Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 235000020232 peanut Nutrition 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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Classifications
-
- 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
- F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
-
- 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
- F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
- F28D2020/0078—Heat exchanger arrangements
-
- 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
- F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
- F28D2020/0082—Multiple tanks arrangements, e.g. adjacent tanks, tank in tank
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention is applied to heat supply heat accumulation field, there is provided a kind of heat supply heat reservoir and method.The heat supply heat-storing method includes：Heat caused by thermal source is received by thermal source reception device, and delivers heat to first heat-exchanger rig and is exchanged heat；Fused salt is extracted to the first heat-exchanger rig by the first fused salt tank, with the first thermal source reception device storage heat exchanged heat, by the second fused salt tank extracts and store heat exchange after greater than or equal to assigned temperature fused salt；Fused salt in second fused salt tank is extracted into the second heat-exchanger rig and exchanged heat, heat supply is carried out to obtain heat；Fused salt of the temperature in second heat-exchanger rig less than assigned temperature is extracted into first fused salt tank.Regular circulation heating, and energy-conserving and environment-protective can be realized by the above method.
Description
Technical field
The embodiment of the present invention belongs to heat supply heat accumulation field, more particularly to a kind of heat supply heat reservoir and method.
Background technology
At present, existing heat accumulation heat supply major way is still the traditional approach of primary energy, using boiler plant burn coal,
Oil, combustion gas etc. are used as heating source, and to heat water or other media, but such a mode energy resource consumption is big, and cost is higher, Er Qieyi
Secondary performance source can produce substantial amounts of environmental contaminants during utilization.Simultaneously as supply of electric power peak-valley difference away from it is big, electricity consumption is high
Power supply shortage during peak, it is unable to meet demand and night dip electricity usage ratio very little, very big electric power energy can not be by
Effectively utilize, the energy storage of electric power low ebb, balance peak valley electric power contradiction, be very necessary.Electric power low ebb energy storage is widely used at present
Be：Hydroenergy storage station：Using night dip electric power, using large-scale water pumper the water source of lower, take out reservoir toward eminence
Savings gets up, and promotes the hydraulic turbine to generate electricity during peak of power consumption on daytime, using the drop of water, to make up the supply of electric power of peak of power consumption not
Foot, still, water-storage limited by geographical conditions, invest huge and conversion efficiency it is not high.
Therefore, it is necessary to a kind of new technical scheme is proposed, to solve above-mentioned technical problem.
The content of the invention
In consideration of it, the embodiments of the invention provide a kind of heat supply heat reservoir and method, it is intended to solves existing heat accumulation and supplies
The problem of hot mode energy resource consumption is big, and cost is higher.
The embodiment of the present invention is achieved in that a kind of heat supply heat reservoir, and the heat supply heat reservoir includes：
Thermal source reception device, the first heat-exchanger rig, the first fused salt tank, the second fused salt tank and the second heat-exchanger rig；
The thermal source reception device is connected with first heat-exchanger rig, first heat-exchanger rig and first fused salt
Tank is connected, and first heat-exchanger rig is also connected with second fused salt tank, and second fused salt tank also exchanges heat with described second
Device is connected, and second heat-exchanger rig is also connected with first fused salt tank；
The thermal source reception device, for receiving heat caused by thermal source, and deliver heat to the first heat exchange dress
Put and exchanged heat；
First fused salt tank, for extracting fused salt to first heat-exchanger rig；
First heat-exchanger rig, fused salt and the thermal source reception device for first fused salt tank to be extracted convey
Heat exchanged heat；
Second fused salt tank, for extracting and storing in first heat-exchanger rig, temperature is greater than or equal to after heat exchange
The fused salt of assigned temperature；
Second fused salt tank, it is additionally operable to extraction fused salt to second heat-exchanger rig and is exchanged heat；
Second heat-exchanger rig, the fused salt for receiving the second fused salt tank conveying is exchanged heat, to obtain heat
Amount carries out heat supply；
First fused salt tank, it is additionally operable to extract and stores in second heat-exchanger rig, temperature is less than specified after heat exchange
The fused salt of temperature.
Preferably, the thermal source includes temperature less than in the thermal source, waste heat thermal source and biomass fuel thermal source of threshold value
It is at least one.
Preferably, the heat supply heat reservoir also includes：
Electric calorifie installation, for being the fused salt heating in second fused salt tank in the paddy electricity period.
Preferably, the thermal source reception device, it is additionally operable to when the electric calorifie installation is being opened the paddy electricity period, receives biology
Matter fuel thermal source is the fused salt heating stored in first fused salt tank.
Preferably, first heat-exchanger rig and second heat-exchanger rig are pipe heat exchanger.
Preferably, it is characterised in that the fused salt is quartz sand composite fused salt.
The another object of the embodiment of the present invention is to provide a kind of heat supply heat-storing method, and the heat supply heat-storing method includes：
Heat caused by thermal source is received by thermal source reception device, and delivers heat to first heat-exchanger rig and carries out
Heat exchange；
Fused salt is extracted to the first heat-exchanger rig by the first fused salt tank, the heat with the first thermal source reception device conveying
Amount exchanged heat, by the second fused salt tank extracts and store heat exchange after temperature greater than or equal to assigned temperature fused salt；
Fused salt in second fused salt tank is extracted into the second heat-exchanger rig and exchanged heat, is supplied to obtain heat
Heat；
Fused salt of the temperature in second heat-exchanger rig less than assigned temperature is extracted into first fused salt tank.
Preferably, extract into the second heat-exchanger rig heat exchange in the fused salt by second fused salt tank and obtain heat
Before carrying out heat supply, including：
Fused salt heating in by electric calorifie installation being second fused salt tank in the paddy electricity period.
Preferably, when the electric calorifie installation is being opened the paddy electricity period, biomass is received by the thermal source reception device
Fuel thermal source is the fused salt heating in second fused salt tank.
Existing beneficial effect is the embodiment of the present invention compared with prior art：The embodiment of the present invention is received by thermal source and filled
Put and receive heat caused by thermal source, and deliver heat to first heat-exchanger rig and exchanged heat, will by the first fused salt tank
Fused salt is extracted to the first heat-exchanger rig, is exchanged heat with the heat of the first thermal source reception device conveying, passes through the second fused salt
Temperature is greater than or equal to the fused salt of assigned temperature after tank extracts and stores heat exchange, then the fused salt in second fused salt tank is extracted
Exchanged heat into the second heat-exchanger rig, heat supply is carried out to obtain heat, temperature in second heat-exchanger rig is warm less than specifying
The fused salt of degree is extracted into first fused salt tank, so as to realize regular circulation heating, high conversion efficiency, and reduces throwing
Cost is provided, there is stronger usability and practicality.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is a kind of composition structure chart for heat supply heat reservoir that first embodiment of the invention provides；
Fig. 2 is a kind of composition structural representation for heat supply heat reservoir that first embodiment of the invention provides；
Fig. 3 is a kind of flow chart for heat supply heat-storing method that second embodiment of the invention provides.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be appreciated that ought be in this specification and in the appended claims in use, special described by the instruction of term " comprising "
Sign, entirety, step, operation, the presence of element and/or component, but be not precluded from one or more of the other feature, entirety, step,
Operation, element, component and/or its presence or addition for gathering.
It is also understood that the term used in this description of the invention is merely for the sake of the mesh for describing specific embodiment
And be not intended to limit the present invention.As used in description of the invention and appended claims, unless on
Other situations are hereafter clearly indicated, otherwise " one " of singulative, "one" and "the" are intended to include plural form.
It will be further appreciated that the term "and/or" used in description of the invention and appended claims is
Refer to any combinations of one or more of the associated item listed and be possible to combine, and including these combinations.
As used in this specification and in the appended claims, term " if " can be according to context quilt
Be construed to " when ... " or " once " or " in response to determining " or " in response to detecting ".Similarly, phrase " if it is determined that " or
" if detecting [described condition or event] " can be interpreted to mean according to context " once it is determined that " or " in response to true
It is fixed " or " once detecting [described condition or event] " or " in response to detecting [described condition or event] ".
In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.
Embodiment one：
Fig. 1 shows a kind of composition structure chart for heat supply heat reservoir that first embodiment of the invention provides, for the ease of
Illustrate, illustrate only the part related to the embodiment of the present invention.
The heat supply heat reservoir includes：Thermal source reception device 11, the first heat-exchanger rig 12, the first fused salt tank 13, second are molten
The heat-exchanger rig 15 of salt cellar 14 and second, wherein：
The thermal source reception device 11 is connected with first heat-exchanger rig 12, first heat-exchanger rig 12 and described the
One fused salt tank 13 is connected, and first heat-exchanger rig 12 is also connected with second fused salt tank 14, and second fused salt tank 14 is also
It is connected with second heat-exchanger rig 15, second heat-exchanger rig 15 is also connected with first fused salt tank 13.
The thermal source reception device 11, for receiving heat caused by thermal source, and deliver heat to first heat exchange
Device is exchanged heat.
First fused salt tank 13, for extracting fused salt to first heat-exchanger rig.
First heat-exchanger rig 12, for the fused salt for extracting first fused salt tank 13, receive and fill with the thermal source
The heat for putting 11 conveyings is exchanged heat.
Second fused salt tank 14, for extracting and storing in first heat-exchanger rig 12, after heat exchange temperature be higher than or
Equal to the fused salt of assigned temperature.
Second fused salt tank 14, it is additionally operable to extraction fused salt to second heat-exchanger rig 15 and is exchanged heat.
Second heat-exchanger rig 15, exchanged heat for receiving the fused salt that second fused salt tank 14 extracts, to obtain
Heat is taken to carry out heat supply.First fused salt tank 13, it is additionally operable to extract and stores in second heat-exchanger rig 15, it is warm after heat exchange
Fused salt of the degree less than assigned temperature.First fused salt tank 13 can be risen while fused salt is stored with buffer system pressure oscillation
To the effect of voltage stabilizing off-load, during fused salt slight change of being conducted heat in system, the pressure stability of system can guarantee that so that pump will not be because
The change of pressure and frequently open, improve the security of system and the service life of equipment.
Specifically, the thermal source includes thermal source (i.e. low-temperature heat source), waste heat thermal source and the biomass that temperature is less than threshold value
At least one of fuel thermal source.Wherein, low-temperature heat source includes but is not limited to source heat pump heat, and source heat pump heat has utilization ratio
The advantages that height, light pollution.The heat energy being utilized that waste heat thermal source refers to discharge in production process, belongs to secondary energy sources,
For high temperature waste heat because temperature is higher, utilization ratio is larger, and it is more ripe using technology.Biomass fuel thermal source refers to
The crops discarded using stalk, rice husk, wood chip, peanut shell etc., the heat that the re-compacted shaping of particle carries out burning heat production is made
Source.The production and use of biomass fuel, reduce agriculture and forestry organic waste material in the harm of field burning or decomposable process to environment, increasing
Add farmers' income, create employment opportunities.Compared with conventional fuel, biomass fuel belongs to neutral carbon, for user bring through
While interests of helping, also become environmental protection advocates model, and " zero-emission " is can reach in combustion process, not deslagging, it is smokeless,
It is free from environmental pollution without pernicious gases such as sulfur dioxide, carbon dioxide, it is the effective way for changing weather disadvantageous changes, it burns
Time is grown, and fire box temperature is high during overheavy firing, and firepower is prosperous, and combustion thermal efficiency is high, saves mass energy.Meanwhile use biomass
Operating fuel cost is low, and eliminates coal-fired increased environment protection treating expense；Because biomass fuel is by high temperature compressed, it is easy to
Transport and storage, the ashes after biomass granule fuel burning can be used as fertilizer, promote new plant growth, followed into new
Ring, make the supply of biomass fuel resource continually, sustainable utilization.Biomass fuel thermal source, clean environment firendly, operating cost
It is low, it is easy to operate, take up an area small.
Alternatively, as shown in Fig. 2 in order to improve heating efficiency, cost is saved, the heat supply heat reservoir also includes：Institute
Electric calorifie installation 16 is stated, for the fused salt heating stored in utilizing paddy electricity to second fused salt tank in the paddy electricity period.It is described
Second fused salt tank 14, it is additionally operable to the fused salt that storage temperature is greater than or equal to assigned temperature.Stored up using cheap night paddy electricity
Heat, there is relatively low operating cost.The electric calorifie installation includes electric heater.
Alternatively, the heat supply heat-storing device also includes solar-powered heating electro-optical system, at this time it is also possible to by the first fused salt
Fused salt in tank 13 is pumped into the heat dump of solar light-heat power-generation system, and after absorbing heat, temperature is specified when temperature is more than or equal to
When spending, the fused salt is stored into the second fused salt tank 14.
Alternatively, first fused salt tank 13, it is additionally operable to that second heat-exchanger rig 15 is extracted and stored by pump for liquid salts
In, temperature is less than the fused salt of assigned temperature after heat exchange.
Alternatively, the thermal source reception device 11, it is additionally operable to when the electric calorifie installation 16 is being opened the paddy electricity period, receives
Biomass fuel thermal source is the fused salt heating stored in first fused salt tank 13.
In embodiments of the present invention, first heat-exchanger rig 12 and second heat-exchanger rig 15 can use tubular type
Heat exchanger.The characteristics of pipe heat exchanger is heat transfer coefficient height, and compact-sized, floor space greatly reduces, and saves material and space,
Also, less scaling, longtime running effect is good.
Alternatively, first heat-exchanger rig 12 and second heat-exchanger rig 15 can also use jacketed type exchanger.
In embodiments of the present invention, the fused salt is quartz sand composite fused salt, and its temperature in use is high, efficiency high, and cost is low.
By taking an application scenarios as an example, during daytime, by thermal source reception device 11 receive low-temperature heat source, waste heat thermal source and
At least one of biomass fuel thermal source, and deliver heat to first heat-exchanger rig 12 and exchanged heat, pass through first
Fused salt tank 13 extracts fused salt to the first heat-exchanger rig 12 by pump for liquid salts, is changed with the heat of thermal source reception device conveying
Heat, the second fused salt tank 14 by pump for liquid salts extract and store heat exchange after temperature be greater than or equal to assigned temperature fused salt.Now,
Fused salt in first fused salt tank 13 can be pumped into the heat dump of solar light-heat power-generation system, after absorbing heat, when temperature height
When assigned temperature, during the fused salt is extracted into the second fused salt tank 14.In the paddy electricity period at night, biomass boiler
It is the fused salt heating in the first fused salt tank 13 to maintain minimum steady combustion state to provide thermal source, by electric calorifie installation 16 using paddy electricity to the
Fused salt in two fused salt tanks 14 directly heats, and when needing heat supply, closes the fused salt tank 13 of electric calorifie installation 16 and first, second is melted
Fused salt in salt cellar 14 extracts into the second heat-exchanger rig 15 heat exchange release heat energy, realizes heat supply.Terminate to recover when the paddy electricity period
During public electric wire net, the pump for liquid salts and electric calorifie installation 16 of the second fused salt tank 13 are closed, the heat energy in the second fused salt tank 14 is passed through the
Two heat-exchanger rigs 15 discharge.The regular heating on a large scale of whole system, while waste heat, Heat Pump can so be realized
Source, biomass energy and paddy electricity are comprehensively utilized, and realize the purpose of energy-conserving and environment-protective.
In first embodiment of the invention, heat caused by thermal source is received by thermal source reception device, and deliver heat to
First heat-exchanger rig is exchanged heat；Fused salt is extracted to the first heat-exchanger rig by the first fused salt tank, with the described first heat
The heat of source reception device conveying is exchanged heat, is extracted by the second fused salt tank and after storing heat exchange temperature greater than or equal to specified
The fused salt of temperature, then the fused salt in second fused salt tank is extracted into the second heat-exchanger rig heat exchange and carried out to obtain heat
Heat supply, fused salt of the temperature in second heat-exchanger rig less than assigned temperature is extracted into first fused salt tank, meanwhile,
During the paddy electricity period, the fused salt stored is given in first fused salt tank to heat by electric calorifie installation, so as to realize that regular circulation supplies
Heat.The system realizes regular circulation heating, high conversion efficiency, while low-temperature heat source, waste heat, biomass fuel thermal source and paddy
Electricity is comprehensively utilized, and realizes the purpose of energy-conserving and environment-protective, and reduces cost of investment, has stronger ease for use and practicality
Property.
Embodiment two：
Fig. 3 shows a kind of heat supply heat-storing method flow chart that second embodiment of the invention provides, and details are as follows：
Step S21, heat caused by thermal source is received by thermal source reception device, and deliver heat to first heat exchange
Device is exchanged heat.
Specifically, the thermal source includes thermal source (i.e. low-temperature heat source), waste heat thermal source and the biomass that temperature is less than threshold value
At least one of fuel thermal source.Wherein, low-temperature heat source includes but is not limited to source heat pump heat, and source heat pump heat has utilization ratio
The advantages that height, light pollution.The heat energy being utilized that waste heat thermal source refers to discharge in production process, belongs to secondary energy sources,
For high temperature waste heat because temperature is higher, utilization ratio is larger, and it is more ripe using technology.Biomass fuel thermal source refers to
The crops discarded using stalk, rice husk, wood chip, peanut shell etc., the heat that the re-compacted shaping of particle carries out burning heat production is made
Source.The production and use of biomass fuel, reduce agriculture and forestry organic waste material in the harm of field burning or decomposable process to environment, increasing
Add farmers' income, create employment opportunities.Compared with conventional fuel, biomass fuel belongs to neutral carbon, for user bring through
While interests of helping, also become environmental protection advocates model, and " zero-emission " is can reach in combustion process, not deslagging, it is smokeless,
It is free from environmental pollution without pernicious gases such as sulfur dioxide, carbon dioxide, it is the effective way for changing weather disadvantageous changes；It burns
Time is grown, and fire box temperature is high during overheavy firing, and firepower is prosperous, and combustion thermal efficiency is high, saves mass energy.Meanwhile use biomass
Operating fuel cost is low, and eliminates coal-fired increased environment protection treating expense, because biomass fuel is by high temperature compressed, is easy to
Transport and storage, the ashes after biomass granule fuel burning can be used as fertilizer, promote new plant growth, followed into new
Ring, make the supply of biomass fuel resource continually, sustainable utilization.Biomass fuel thermal source, clean environment firendly, operating cost
It is low, it is easy to operate, take up an area small.
Step S22, fused salt is extracted to the first heat-exchanger rig by the first fused salt tank, it is defeated with the first thermal source reception device
The heat sent is exchanged heat, by the second fused salt tank extract and store heat exchange after be greater than or equal to assigned temperature fused salt.
Specifically, storage temperature is less than the fused salt of the assigned temperature in the first fused salt tank.By in first fused salt tank
The fused salt of storage is extracted to first heat-exchanger rig by pump for liquid salts and exchanged heat, by temperature after heat exchange greater than or equal to specified
The fused salt of temperature is extracted to the second fused salt tank.
Step S23, the fused salt in second fused salt tank is extracted into the second heat-exchanger rig and exchanged heat, to obtain heat
Carry out heat supply.
Alternatively, also include before the paddy electricity period, the step S23：By electric calorifie installation, paddy is utilized in the paddy electricity period
Supply electricity to the fused salt heating stored in second fused salt tank.To ensure that second fused salt tank can continue heat supply.Described
Two fused salt tanks are used for the fused salt that storage temperature is greater than or equal to assigned temperature.
Specifically, when recovering public electric wire net, the pump for liquid salts of first fused salt tank and the electric calorifie installation are closed, is opened
The pump for liquid salts of second fused salt tank, the fused salt in second fused salt tank is extracted into the second heat-exchanger rig, described
Exchanged heat in two heat-exchanger rigs, the heat energy of fused salt is discharged.
Alternatively, the heat supply heat-storing method also includes：
When the electric calorifie installation is being opened the paddy electricity period, biomass fuel thermal source is received by the thermal source reception device
For the fused salt heating in first fused salt tank.
Specifically, in night-time hours, when the electric calorifie installation is opened in paddy electricity, biomass boiler maintains minimum steady combustion shape
State, it is that the fused salt in first fused salt tank heats to receive biomass fuel thermal source by the thermal source reception device, maintains temperature
Degree, reduces cost.Now, heated by electric calorifie installation for second fused salt tank, carry out secondary energy storage, ensure to continue heat supply.
In embodiments of the present invention, first heat-exchanger rig and second heat-exchanger rig can use pipe type heat transfer
Device.The characteristics of pipe heat exchanger is heat transfer coefficient height, and compact-sized, floor space greatly reduces, and saves material and space, and
And it is less scaling, longtime running effect is good.
Alternatively, first heat-exchanger rig and second heat-exchanger rig can also use jacketed type exchanger.
In embodiments of the present invention, the fused salt is quartz sand composite fused salt, and its temperature in use is high, efficiency high, and cost is low.
In second embodiment of the invention, heat caused by thermal source is received by thermal source reception device, and deliver heat to
First heat-exchanger rig is exchanged heat；Fused salt is extracted to the first heat-exchanger rig by the first fused salt tank, with the described first heat
The heat of source reception device conveying is exchanged heat, is extracted by the second fused salt tank and after storing heat exchange temperature greater than or equal to specified
The fused salt of temperature, then the fused salt in second fused salt tank is extracted into the second heat-exchanger rig and exchanged heat, enter to obtain heat
Row heat supply, fused salt of the temperature in second heat-exchanger rig less than assigned temperature is extracted into first fused salt tank, meanwhile,
By electric calorifie installation the fused salt stored can be given to heat in first fused salt tank, so as to realize that regularity is followed in the paddy electricity period
Ring heat supply.The system realizes regular circulation heating, high conversion efficiency, while low-temperature heat source, waste heat, biomass fuel thermal source
It is comprehensively utilized with paddy electricity, realizes the purpose of energy-conserving and environment-protective, and reduce cost of investment, there is stronger ease for use and reality
The property used.
It should be understood that in embodiments of the present invention, the size of the sequence number of above-mentioned each process is not meant to the elder generation of execution sequence
Afterwards, the execution sequence of each process should be determined with its function and internal logic, the implementation process structure without tackling the embodiment of the present invention
Into any restriction.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, it can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, application-specific and design constraint depending on technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, only a kind of division of logic function, can there is other dividing mode, such as multiple units or component when actually realizing
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The mutual coupling discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of heat supply heat reservoir, it is characterised in that the heat supply heat reservoir includes：
Thermal source reception device, the first heat-exchanger rig, the first fused salt tank, the second fused salt tank and the second heat-exchanger rig；
The thermal source reception device is connected with first heat-exchanger rig, and first heat-exchanger rig connects with first fused salt tank
Connect, first heat-exchanger rig is also connected with second fused salt tank, second fused salt tank also with second heat-exchanger rig
Connection, second heat-exchanger rig are also connected with first fused salt tank；
The thermal source reception device, for receiving heat caused by thermal source, and deliver heat to first heat-exchanger rig and enter
Row heat exchange；
First fused salt tank, for extracting fused salt to first heat-exchanger rig；
First heat-exchanger rig, for the fused salt and the heat of thermal source reception device conveying for extracting first fused salt tank
Amount is exchanged heat；
Second fused salt tank, for extracting and storing in first heat-exchanger rig, temperature is greater than or equal to specified after heat exchange
The fused salt of temperature；
Second fused salt tank, it is additionally operable to extraction fused salt to second heat-exchanger rig and is exchanged heat；
Second heat-exchanger rig, the fused salt for receiving the second fused salt tank conveying are exchanged heat, entered to obtain heat
Row heat supply；
First fused salt tank, it is additionally operable to extract and stores in second heat-exchanger rig, temperature is less than assigned temperature after heat exchange
Fused salt.
2. system according to claim 1, it is characterised in that the thermal source includes thermal source, the waste heat that temperature is less than threshold value
At least one of thermal source and biomass fuel thermal source.
3. system according to claim 2, it is characterised in that the heat supply heat reservoir also includes：
Electric calorifie installation, for being the fused salt heating in second fused salt tank in the paddy electricity period.
4. system according to claim 3, it is characterised in that the thermal source reception device, be additionally operable to when the electric heating fills
Put when opening the paddy electricity period, it is the fused salt heating stored in first fused salt tank to receive biomass fuel thermal source.
5. according to the system described in claim any one of 1-4, it is characterised in that first heat-exchanger rig and described second changes
Thermal is pipe heat exchanger.
6. according to the system described in any one of Claims 1-4, it is characterised in that it is characterized in that the fused salt is quartz sand
Composite fused salt.
7. a kind of heat supply heat-storing method, it is characterised in that the heat supply heat-storing method is as follows：
Heat caused by thermal source is received by thermal source reception device, and delivers heat to first heat-exchanger rig and is changed
Heat；
Fused salt is extracted to the first heat-exchanger rig by the first fused salt tank, entered with the heat of the first thermal source reception device conveying
Row heat exchange, by the second fused salt tank extracts and store heat exchange after temperature greater than or equal to assigned temperature fused salt；
Fused salt in second fused salt tank is extracted into the second heat-exchanger rig and exchanged heat, heat supply is carried out to obtain heat；
Fused salt of the temperature in second heat-exchanger rig less than assigned temperature is extracted into first fused salt tank.
8. according to the method for claim 7, it is characterised in that the thermal source includes thermal source, the waste heat that temperature is less than threshold value
At least one of thermal source and biomass fuel thermal source.
9. according to the method for claim 8, it is characterised in that the fused salt by second fused salt tank extract to
Before heat exchange obtains heat progress heat supply in second heat-exchanger rig, in addition to：
Fused salt heating in by electric calorifie installation being second fused salt tank in the paddy electricity period.
10. according to the method for claim 9, it is characterised in that when the electric calorifie installation is being opened the paddy electricity period, pass through
It is the fused salt heating in first fused salt tank that the thermal source reception device, which receives biomass fuel thermal source,.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019137007A1 (en) * | 2018-01-15 | 2019-07-18 | 深圳市爱能森科技有限公司 | Heat supply method and application thereof |
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| CN104456528A (en) * | 2014-11-05 | 2015-03-25 | 江苏太阳宝新能源有限公司 | Method and system for comprehensively utilizing stored energy and smart power grid |
| JP2017026164A (en) * | 2015-07-15 | 2017-02-02 | 日産自動車株式会社 | Heat storage system and method for controlling heat storage system |
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| JP2003004262A (en) * | 2001-06-22 | 2003-01-08 | Kubota Corp | Heat source equipment |
| CN202501439U (en) * | 2012-02-29 | 2012-10-24 | 江苏太阳宝新能源有限公司 | System for generating high-temperature sterilization steam by utilizing solar photo-thermal energy and stored energy of molten salt |
| CN104456528A (en) * | 2014-11-05 | 2015-03-25 | 江苏太阳宝新能源有限公司 | Method and system for comprehensively utilizing stored energy and smart power grid |
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