CN109237975A - A kind of accumulation of heat centring system for supporting multi-heat source to input - Google Patents
A kind of accumulation of heat centring system for supporting multi-heat source to input Download PDFInfo
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- CN109237975A CN109237975A CN201811202743.1A CN201811202743A CN109237975A CN 109237975 A CN109237975 A CN 109237975A CN 201811202743 A CN201811202743 A CN 201811202743A CN 109237975 A CN109237975 A CN 109237975A
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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
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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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- Thermal Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention belongs to heat storage technology field, in particular to a kind of accumulation of heat centring system for supporting multi-heat source to input；Including accumulation of heat center, multi-temperature zone thermal storage unit, heat source, booster pump etc.；The present invention carries out classification storage by the multi-temperature zone thermal storage unit at accumulation of energy center, while can also meet the requirement of different warm area heat users in heat release using the thermal energy of the different tastes from multi-heat source；The present invention can will realize the unified management of multi-temperature zone thermal storage unit using accumulation of heat center, multi-heat source accumulation of heat is realized using single accumulation of heat heat source fluid simultaneously, single heat release cold source fluid meets the heat demand of multi-user, more conventional hold over system is more able to satisfy complicated heat source and heat user demand, improves the applicability of heat storage technology.
Description
Technical field
The invention belongs to heat storage technology field, in particular to a kind of accumulation of heat centring system for supporting multi-heat source to input.
Background technique
Transfer of the heat in space-time application may be implemented in heat storage technology, for solving the unbalance lance of thermal energy supply and demand
Shield, improves energy utilization rate and protection environment is significant；, in the recycling of industrial waste heat and waste heat, solar energy etc. can for it
The utilization of the renewable sources of energy, before there is important application in the fields such as energy conservation of " peak load shifting " and civil buildings of electricity market
Scape.
In recent years, under the application support of above-mentioned industry, heat storage technology, including latent-heat storage, sensible heat accumulation of heat and heat chemistry
The technologies such as accumulation of heat all obtain significant development；However, the hot product of heat source and generation that current hold over system utilizes compared with
Be it is single, have been unable to meet the using energy source prospect of the polynary output of polynary input at present.
By taking hold over system is in the flexibility application of fired power generating unit as an example, hold over system is often used to improve cogeneration units
The nargin of peak regulation；It can be used as the flue gas that can be boiler generation of its accumulation of heat heat source, main steam in cogeneration units, heat supply is steamed
Vapour, electric boiler, heat pump etc., and the hot product of thermal storage unit is normally used for district heating；These accumulation of heat heat sources can be to power plant
Peak modulation capacity and economy generate different influences, therefore single accumulation of heat heat source system is unable to satisfy complicated demand；It is another
Aspect, flue gas, main steam, the generations such as electric boiler can regenerator temperature be typically much higher than district heating needed for temperature, with single
The thermal storage unit of form, which carries out accumulation of heat, certainly will will cause the mismatch of energy level and then lead to the waste of the energy.
It based on the problem above that hold over system faces, needs one kind and had not only been able to satisfy complicated heat source demand, but also accumulation of heat can be improved
System product diversity, while accumulation of heat being made to control more simple concentrated accumulation of heat centring system, thus significantly improving accumulation of heat
The applicability of system, preferably important task of the performance hold over system in energy field.
Summary of the invention
The object of the present invention is to provide a kind of accumulation of heat centring systems for supporting multi-heat source to input, to solve background skill
The problem of complicated heat source and heat demand that the hold over system mentioned in art faces, to improve the applicability of hold over system.
To realize that above-mentioned target, technical solution proposed by the present invention be, felt concerned about in a kind of accumulation of heat that supporting multi-heat source input
System, including accumulation of heat center 1, accumulation of heat center insulating layer 2, low-temperature heat accumulating unit 3, high-temperature heat accumulation unit 4, booster pump 5, low-temperature heat source
Unit 6, high temperature heat source unit 7, heat release fluid media (medium) pipeline 8 etc.；In 1 exothermic process of accumulation of heat center, heat release fluid passes through Jie
Matter pipeline 8 is successively connected in series with low-temperature heat accumulating unit 3 and high-temperature heat accumulation unit 4；In 1 accumulation of heat of accumulation of heat center circulation, pressurization
5 outlet of pump is connected with 6 import of low-temperature heat source unit, and the outlet of low-temperature heat source unit 6 is connected with 7 entrance of high temperature heat source unit, high temperature
The outlet of heat source unit 77 is connected with 4 entrance of high-temperature heat accumulation unit, the outlet of high-temperature heat accumulation unit 4 and 3 entrance phase of low-temperature heat accumulating unit
Even, the outlet of low-temperature heat accumulating unit 3 is connected with 5 entrance of booster pump.
The low-temperature heat accumulating unit 3 includes low-temperature heat accumulating body 11, flow divider (9,13) and converging valve (10,12)；It is putting
In thermal flow process, 9 entrance of flow divider is connected with exothermic medium fluid line 8, and outlet and 10 entrance of converging valve, low-temperature heat accumulating body 11 are put
Hot arc entrance is connected, and 10 entrance of converging valve is exported with flow divider 9 and the outlet of 11 heat release section of low-temperature heat accumulating body is connected, outlet and high temperature
4 heat release section flow divider of thermal storage unit, 17 entrance is connected；In accumulation of heat process, 13 entrance of flow divider and 4 accumulation of heat of high-temperature heat accumulation unit
The outlet of section converging valve 20 is connected, and outlet is connected with 12 entrance of converging valve and 11 heat accumulating sections entrance of low-temperature heat accumulating body, and converging valve 12 enters
Mouth is connected with the outlet of flow divider 13 and the outlet of 11 heat accumulating sections of low-temperature heat accumulating body, and outlet is connected with 5 entrance of booster pump；The high temperature
Thermal storage unit 4 is identical as 3 structure of low-temperature heat accumulating unit.
The low-temperature heat source unit 6 includes low-temperature heat source 16, flow divider 14 and converging valve 15；14 entrance of flow divider and increasing
The outlet of press pump 8 is connected, and outlet and 15 entrance of converging valve, 16 entrance of low-temperature heat source are connected, and 15 entrance of converging valve goes out with flow divider 14
Mouth is connected with the outlet of low-temperature heat source 16, and outlet is connected with 22 entrance of flow divider of high temperature heat source unit 7；The high temperature heat source list
Member 7 is identical as 6 structure of low-temperature heat source unit.
In the accumulation of heat center 1 thermal storage unit (3,4) quantity can accommodate 1 according to temperature range according to requiring to adjust ~
100 groups of thermal storage units；Phase change heat storage material, sensible heat heat-storing material can be used in heat storage (11,19) in thermal storage unit (3,4)
And chemical heat-accumulating material.
The heat source unit (6,7) can accommodate 1 ~ 100 group of heat source unit according to temperature range according to requiring to adjust；
Heat source (16,24) in heat source unit (6,7) includes but is not limited to industrial exhaust heat, electric boiler, heat pump etc..
The accumulation of heat centring system method of operation of the support multi-heat source input are as follows:
(1) heat-accumulating process only puts into operation single thermal storage unit: put into operation low-temperature heat accumulating unit 3 when flow divider 21 and converging valve 20 and accumulation of heat
Closedown of pipeline between body 19, the pipeline opening between flow divider 21 and converging valve 20, flow divider 13 and converging valve 12 and heat storage
Pipeline is opened between 11, the closedown of pipeline being connected between flow divider 13 and converging valve 12；Only put into operation high-temperature heat accumulation unit 4 when adjusting
Mode is similar；
(2) heat-accumulating process thermal storage unit all puts into operation: pipeline is opened between flow divider 21 and converging valve 20 and heat storage 19 at this time,
Closedown of pipeline between flow divider 21 and converging valve 20, pipeline is opened between flow divider 13 and converging valve 12 and heat storage 11, point
Flow the closedown of pipeline being connected between valve 13 and converging valve 12；
(3) only put into operation single source unit: put into operation low-temperature heat source unit when, managed between flow divider 22 and converging valve 23 and heat source 24
Road is closed, and the pipeline between flow divider 22 and converging valve 23 is opened, and pipeline is beaten between flow divider 14 and converging valve 15 and heat source 16
It opens, the closedown of pipeline being connected between flow divider 14 and converging valve 14；Only put into operation high temperature heat source unit 7 when regulative mode it is similar；
(4) heat source unit all puts into operation: pipeline is opened between flow divider 22 and converging valve 23 and heat source 24 at this time, flow divider 22
Closedown of pipeline between converging valve 23, pipeline is opened between flow divider 14 and converging valve 15 and heat source 16, flow divider 14 and conjunction
Flow the closedown of pipeline being connected between valve 15；
(5) exothermic process is merely with single thermal storage unit: put into operation low-temperature heat accumulating unit 3 when flow divider 17 and converging valve 18 and accumulation of heat
Closedown of pipeline between body 19, the pipeline opening between flow divider 17 and converging valve 18, flow divider 9 and converging valve 10 and heat storage 11
Between pipeline open, between flow divider 9 and converging valve 10 be connected closedown of pipeline；Only put into operation high-temperature heat accumulation unit 4 when adjusting side
Formula is similar；
(6) exothermic process thermal storage unit all puts into operation: pipeline is beaten between flow divider 17 and converging valve 18 and heat storage (19) at this time
It opens, the closedown of pipeline between flow divider 17 and converging valve 18, pipeline is beaten between flow divider 9 and converging valve (10) and heat storage 11
It opens, the closedown of pipeline being connected between flow divider 9 and converging valve 10.
Income effect of the invention are as follows: (1) use the fluid of Single Medium from specified heat source unit in heat-accumulating process
Heat absorption, while accumulation of heat is carried out for corresponding thermal storage unit；(2) storing exothermic process can be according to the principle flexible choice heat of Temperature Matching
Heat transfer process efficiency is improved in source；(3) the accumulation of heat center of the unitized management of thermal storage unit can save occupied area, while flexibly
Property and more adaptable.
Detailed description of the invention
Fig. 1 is the accumulation of heat centring system schematic diagram for supporting multi-heat source input；
In figure, 1-accumulation of heat center, 2-accumulation of heat center insulating layers, 3-low-temperature heat accumulating units, 4-high-temperature heat accumulation units, 5-increase
Press pump, 6-low-temperature heat source units, 7-high temperature heat source units, 8-heat release fluid media (medium) pipelines, 9-flow dividers, 10-interflow
Valve, 11-low-temperature heat accumulating bodies, 12-converging valves, 13-flow dividers, 14-flow dividers, 15-converging valves, 16-low-temperature heat sources,
17-flow dividers, 18-converging valves, 19-high-temperature thermal storage bodies, 20-converging valves, 21-flow dividers, 22-flow dividers, 23-close
Flow valve, 24-high temperature heat sources.
Specific embodiment
With reference to the accompanying drawing and specific example the invention will be further described.It is emphasized that following the description is only
It is exemplary, the range and its application being not intended to be limiting of the invention.
Fig. 1 is the accumulation of heat centring system for supporting multi-heat source input, including accumulation of heat center 1, accumulation of heat center insulating layer 2, low temperature
Thermal storage unit 3, high-temperature heat accumulation unit 4, booster pump 5, low-temperature heat source unit 6, high temperature heat source unit 7, heat release fluid media (medium) pipeline 8
Deng；In 1 exothermic process of accumulation of heat center, heat release fluid by medium pipeline 8 successively with low-temperature heat accumulating unit 3 and high-temperature heat accumulation list
Member 4 is connected in series；In 1 accumulation of heat of accumulation of heat center circulation, the outlet of booster pump 5 is connected with 6 import of low-temperature heat source unit, low-temperature heat source
The outlet of unit 6 is connected with 7 entrance of high temperature heat source unit, and the outlet of high temperature heat source unit 77 is connected with 4 entrance of high-temperature heat accumulation unit, high
The outlet of intermediate temperature regenerator unit 4 is connected with 3 entrance of low-temperature heat accumulating unit, and the outlet of low-temperature heat accumulating unit 3 is connected with 5 entrance of booster pump.
The low-temperature heat accumulating unit 3 includes low-temperature heat accumulating body 11, flow divider (9,13) and converging valve (10,12)；It is putting
In thermal flow process, 9 entrance of flow divider is connected with exothermic medium fluid line 8, and outlet and 10 entrance of converging valve, low-temperature heat accumulating body 11 are put
Hot arc entrance is connected, and 10 entrance of converging valve is exported with flow divider 9 and the outlet of 11 heat release section of low-temperature heat accumulating body is connected, outlet and high temperature
4 heat release section flow divider of thermal storage unit, 17 entrance is connected；In accumulation of heat process, 13 entrance of flow divider and 4 accumulation of heat of high-temperature heat accumulation unit
The outlet of section converging valve 20 is connected, and outlet is connected with 12 entrance of converging valve and 11 heat accumulating sections entrance of low-temperature heat accumulating body, and converging valve 12 enters
Mouth is connected with the outlet of flow divider 13 and the outlet of 11 heat accumulating sections of low-temperature heat accumulating body, and outlet is connected with 5 entrance of booster pump；The high temperature
Thermal storage unit 4 is identical as 3 structure of low-temperature heat accumulating unit.
The low-temperature heat source unit 6 includes low-temperature heat source 16, flow divider 14 and converging valve 15；14 entrance of flow divider and increasing
The outlet of press pump 8 is connected, and outlet and 15 entrance of converging valve, 16 entrance of low-temperature heat source are connected, and 15 entrance of converging valve goes out with flow divider 14
Mouth is connected with the outlet of low-temperature heat source 16, and outlet is connected with 22 entrance of flow divider of high temperature heat source unit 7；The high temperature heat source list
Member 7 is identical as 6 structure of low-temperature heat source unit.
In the accumulation of heat center 1 thermal storage unit (3,4) quantity can accommodate 1 according to temperature range according to requiring to adjust ~
100 groups of thermal storage units；Phase change heat storage material, sensible heat heat-storing material can be used in heat storage (11,19) in thermal storage unit (3,4)
And chemical heat-accumulating material.
The heat source unit (6,7) can accommodate 1 ~ 100 group of heat source unit according to temperature range according to requiring to adjust；
Heat source (16,24) in heat source unit (6,7) includes but is not limited to industrial exhaust heat, electric boiler, heat pump etc..
The accumulation of heat centring system method of operation of the support multi-heat source input are as follows:
(1) heat-accumulating process only puts into operation single thermal storage unit: put into operation low-temperature heat accumulating unit 3 when flow divider 21 and converging valve 20 and accumulation of heat
Closedown of pipeline between body 19, the pipeline opening between flow divider 21 and converging valve 20, flow divider 13 and converging valve 12 and heat storage
Pipeline is opened between 11, the closedown of pipeline being connected between flow divider 13 and converging valve 12；Only put into operation high-temperature heat accumulation unit 4 when adjusting
Mode is similar；
(2) heat-accumulating process thermal storage unit all puts into operation: pipeline is opened between flow divider 21 and converging valve 20 and heat storage 19 at this time,
Closedown of pipeline between flow divider 21 and converging valve 20, pipeline is opened between flow divider 13 and converging valve 12 and heat storage 11, point
Flow the closedown of pipeline being connected between valve 13 and converging valve 12；
(3) only put into operation single source unit: put into operation low-temperature heat source unit when, managed between flow divider 22 and converging valve 23 and heat source 24
Road is closed, and the pipeline between flow divider 22 and converging valve 23 is opened, and pipeline is beaten between flow divider 14 and converging valve 15 and heat source 16
It opens, the closedown of pipeline being connected between flow divider 14 and converging valve 14；Only put into operation high temperature heat source unit 7 when regulative mode it is similar；
(4) heat source unit all puts into operation: pipeline is opened between flow divider 22 and converging valve 23 and heat source 24 at this time, flow divider 22
Closedown of pipeline between converging valve 23, pipeline is opened between flow divider 14 and converging valve 15 and heat source 16, flow divider 14 and conjunction
Flow the closedown of pipeline being connected between valve 15；
(5) exothermic process is merely with single thermal storage unit: put into operation low-temperature heat accumulating unit 3 when flow divider 17 and converging valve 18 and accumulation of heat
Closedown of pipeline between body 19, the pipeline opening between flow divider 17 and converging valve 18, flow divider 9 and converging valve 10 and heat storage 11
Between pipeline open, between flow divider 9 and converging valve 10 be connected closedown of pipeline；Only put into operation high-temperature heat accumulation unit 4 when adjusting side
Formula is similar；
(6) exothermic process thermal storage unit all puts into operation: pipeline is beaten between flow divider 17 and converging valve 18 and heat storage (19) at this time
It opens, the closedown of pipeline between flow divider 17 and converging valve 18, pipeline is beaten between flow divider 9 and converging valve (10) and heat storage 11
It opens, the closedown of pipeline being connected between flow divider 9 and converging valve 10.
Income effect of the invention are as follows: (1) use the fluid of Single Medium from specified heat source unit in heat-accumulating process
Heat absorption, while accumulation of heat is carried out for corresponding thermal storage unit；(2) storing exothermic process can be according to the principle flexible choice heat of Temperature Matching
Heat transfer process efficiency is improved in source；(3) the accumulation of heat center of the unitized management of thermal storage unit can save occupied area, while flexibly
Property and more adaptable.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention；Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (5)
1. a kind of accumulation of heat centring system for supporting multi-heat source to input, including accumulation of heat center (1), accumulation of heat center insulating layer (2), low temperature
Thermal storage unit (3), high-temperature heat accumulation unit (4), booster pump (5), low-temperature heat source unit (6), high temperature heat source unit (7), heat release stream
Body medium pipeline (8) etc.；In accumulation of heat center (1) exothermic process, heat release fluid by medium pipeline (8) successively with low-temperature heat accumulating
Unit (3) and high-temperature heat accumulation unit (4) are connected in series；In accumulation of heat center (1) accumulation of heat circulation, booster pump (5) outlet and low temperature
Heat source unit (6) import is connected, and low-temperature heat source unit (6) outlet is connected with high temperature heat source unit (7) entrance, high temperature heat source unit
(7) outlet (7) is connected with high-temperature heat accumulation unit (4) entrance, high-temperature heat accumulation unit (4) outlet and low-temperature heat accumulating unit (3) entrance
It is connected, low-temperature heat accumulating unit (3) outlet is connected with booster pump (5) entrance.
2. system according to claim 1, which is characterized in that the low-temperature heat accumulating unit (3) includes low-temperature heat accumulating body
(11), flow divider (9,13) and converging valve (10,12)；In heat release process, flow divider (9) entrance and exothermic medium fluid hose
Road (8) be connected, outlet with converging valve (10) entrance, low-temperature heat accumulating body (11) heat release section entrance be connected, converging valve (10) entrance with
Flow divider (9) outlet is connected with the outlet of low-temperature heat accumulating body (11) heat release section, outlet and high-temperature heat accumulation unit (4) heat release section flow divider
(17) entrance is connected；In accumulation of heat process, flow divider (13) entrance and high-temperature heat accumulation unit (4) heat accumulating sections converging valve (20) go out
Mouthful be connected, outlet be connected with converging valve (12) entrance and low-temperature heat accumulating body (11) heat accumulating sections entrance, converging valve (12) entrance and divide
Stream valve (13) outlet is connected with the outlet of low-temperature heat accumulating body (11) heat accumulating sections, and outlet is connected with booster pump (5) entrance；The high temperature
Thermal storage unit (4) is identical as low-temperature heat accumulating unit (3) structure.
3. system according to claim 1, which is characterized in that the low-temperature heat source unit (6) includes low-temperature heat source
(16), flow divider (14) and converging valve (15)；Flow divider (14) entrance is connected with booster pump (8) outlet, outlet and converging valve
(15) entrance, low-temperature heat source (16) entrance are connected, and converging valve (15) entrance and flow divider (14) outlet and low-temperature heat source (16) go out
Mouth is connected, and outlet is connected with flow divider (22) entrance of high temperature heat source unit (7)；The high temperature heat source unit (7) and low temperature
Heat source unit (6) structure is identical.
4. system according to claim 1, which is characterized in that thermal storage unit (3,4) quantity in the accumulation of heat center (1)
1 ~ 100 group of thermal storage unit can be accommodated according to temperature range according to requiring to adjust；In thermal storage unit (3,4) heat storage (11,
19) phase change heat storage material, sensible heat heat-storing material and chemical heat-accumulating material can be used.
5. according to system described in claim 1, which is characterized in that the heat source unit (6,7) can according to requiring to adjust, according to
Temperature range can accommodate 1 ~ 100 group of heat source unit；Heat source (16,24) in heat source unit (6,7) includes but is not limited to more than industry
Heat, electric boiler, heat pump etc..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811202743.1A CN109237975A (en) | 2018-10-16 | 2018-10-16 | A kind of accumulation of heat centring system for supporting multi-heat source to input |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811202743.1A CN109237975A (en) | 2018-10-16 | 2018-10-16 | A kind of accumulation of heat centring system for supporting multi-heat source to input |
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| Publication Number | Publication Date |
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| CN109237975A true CN109237975A (en) | 2019-01-18 |
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| CN201811202743.1A Pending CN109237975A (en) | 2018-10-16 | 2018-10-16 | A kind of accumulation of heat centring system for supporting multi-heat source to input |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174019A (en) * | 2019-05-29 | 2019-08-27 | 海南大学 | A kind of heat-exchanger rig of achievable multi-heat source waste heat recycling |
| CN112963883A (en) * | 2021-04-26 | 2021-06-15 | 山东大学 | Heterogeneous multi-heat-source common storage device |
-
2018
- 2018-10-16 CN CN201811202743.1A patent/CN109237975A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174019A (en) * | 2019-05-29 | 2019-08-27 | 海南大学 | A kind of heat-exchanger rig of achievable multi-heat source waste heat recycling |
| CN112963883A (en) * | 2021-04-26 | 2021-06-15 | 山东大学 | Heterogeneous multi-heat-source common storage device |
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Application publication date: 20190118 |
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