CN104654894A - Heat accumulator combined segmental heat charging and discharging closed loop control system - Google Patents
Heat accumulator combined segmental heat charging and discharging closed loop control system Download PDFInfo
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- CN104654894A CN104654894A CN201310573936.9A CN201310573936A CN104654894A CN 104654894 A CN104654894 A CN 104654894A CN 201310573936 A CN201310573936 A CN 201310573936A CN 104654894 A CN104654894 A CN 104654894A
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- 238000007599 discharging Methods 0.000 title abstract 5
- 239000012530 fluid Substances 0.000 claims abstract description 66
- 239000000463 material Substances 0.000 claims description 24
- 230000011218 segmentation Effects 0.000 claims description 23
- 230000008676 import Effects 0.000 claims description 22
- 238000009825 accumulation Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 6
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 239000002905 metal composite material Substances 0.000 claims description 2
- 238000005338 heat storage Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model is to provide a heat accumulator combined segmental heat charging and discharging closed loop control system to achieve segmental, combined, grouped and integrated heat storage, exchanging and use for different heat accumulators. The system is suitable for 10 to 1500 DEG C and heat storage capability can reach or exceed 500 GJ to 1000 GJ. The heat accumulator combined segmental heat charging and discharging closed loop control system comprises a fluid case, a circulating pump, a closed loop circulating pipeline and a heat accumulator, wherein a high temperature heat accumulator provides heat energy for a low temperature heat accumulator; a valve is respectively arranged on a connection part between an inlet and an outlet of the heat accumulator, and a connection part between an inlet and an outlet of the closed loop circulating pipe; circulation of the fluid can be controlled; the fluid is stored in the fluid case; the fluid is driven by the circulating pump to flow along the closed loop circulating pipeline; and during the heat charging and discharging of the heat accumulator, combined or segmental heat charging or discharging can be conducted to the heat accumulator when valves of different heat accumulators are closed.
Description
Technical field
The present invention relates to heat energy utilization, the carrying out of the combination and segmentation that particularly realize storage heater fills control and the use of heat or heat release.
Background technology
Storage heater is the equipment stored heat energy, and existing storage heater is steam type and liquid heat storage device;
In industrial energy saving field, waste heat is carried out reclaiming and storing, usually adopt phase change technique to carry out accumulation of heat, adopt in low temperature field ice-reserving technology to realize accumulation of heat;
In field of solar energy, adopt fuse salt accumulation of heat, although fuse salt can realize the storage of high temperature, but due to its need from Solid State Transformation be liquid, thus heat energy is needed to be heated, the simultaneously toxicity of fuse salt, economical, security also has problems, and the use of thus fuse salt accumulation of heat is restricted.
In field of solar energy, also adopt air or other gas to carry out accumulation of heat, but its hot melt is little, cannot realize large-scale thermal energy storage.
Storage station adopts electric energy to store, particularly the electric energy of wind-powered electricity generation and photovoltaic composition, and because it cannot realize storing, a large amount of abandoning of thus having to, causes a large amount of wastes.If adopt heat energy to store, need the holder possessing powerful storage capacity.
In power station and thermal-storage heating application, need large-scale storage heater, usually reach 500GJ-1000GJ, the accumulation of heat that during large like this storage heater, multiple acquisition system and heat exchanger realize, thus needs to realize large-scale heat storage technology.
Summary of the invention
The object of this invention is to provide a kind of combination segmentation charge and discharge thermal control system of storage heater, the segmentation of different storage heater can be realized, combination, grouping, integrated accumulation of heat, heat exchange, use, be suitable for the temperature of 10-1500 degree, heat storage capacity can meet or exceed 500GJ-1000GJ accumulation of heat, the present invention is directed to dissimilar storage heater, be provided with the pipeline of a closed circulation, storage heater is connected, storage heater can carry out being connected the abundant and heat release of rear realization by importing and exporting with closed loop pipeline, be in closed condition to different storage heater valves just can realize filling heat or heat release to the combination of storage heater or the carrying out of segmentation.
Concrete summary of the invention is as follows:
The combination segmentation charge and discharge hot closed-loop control system of storage heater, comprises storage heater, circulating pump, fluid tank, housing etc., it is characterized in that: at least one fluid tank and a circulating pump and at least one closed loop circulating line; At least two storage heaters, a high-temperature heat accumulation device is for filling thermal regenerator device, a low-temperature heat accumulating device is heat release storage heater, high-temperature heat accumulation device provides heat energy for low-temperature heat accumulating device, storage heater is provided with a fluid to carry out and fluid issuing, the import of storage heater and outlet are connected with closed loop circulation pipe, the import of each storage heater and exit and closed loop circulation pipe upper inlet with export be connected between be provided with a valve, can be circulated by Valve controlling fluid or not circulate; Fluid storage is in fluid tank, and circulating pump can drive fluid flow along closed loop circulating line.
In the charge and discharge thermal process of carrying out storage heater, the import of filling thermal regenerator device of high temperature and outlet are opened, the import of the heat release storage heater of low temperature and outlet are opened simultaneously, the fluid in circulating pump drive fluid case is utilized to circulate, high temperature to be filled in thermal regenerator device heat energy by fluid communication in low-temperature heat accumulating device, realizes the exchange of heat energy.
Multiple storage heater is in charge and discharge thermal process, open the terminal valve of storage heater, just can realize the charge and discharge heat of storage heater, when storage heater does not need charge and discharge heat, storage heater import and gate out switch are closed, open the valve on closed loop circulating line simultaneously, storage heater just can be made not carry out charge and discharge heat, charge and discharge thermal control is carried out in combination or the segmentation that can realize storage heater like this.
Described storage heater, according to used heat-storing material, select from following one or more:
A, solid grain block storage heater: comprise the storage heater that all use solid grain blocks are heat-storing material;
B, fluid heat accumulating device: comprise all use liquid, gas, plasma, overcritical body as the storage heater of heat-storing material;
C, fuse salt storage heater: comprise the storage heater of all employing fuse salts as heat-storing material;
D, liquid metal storage heater: comprise the storage heater of all employing liquid metals as heat-storing material;
E, concrete storage heater: the storage heater comprising all employing concrete heat-storing materials;
F, ceramic heat-storing device: comprise all potteries that adopts for the storage heater of heat-storing material.
Be provided with multiple fluid tank and multiple circulating pump, each fluid tank and circulating pump group can independent operatings, can realize completing with this group storage heater independently filling heat or heat release.
Filling on heat or heat release import or export pipeline of each storage heater is provided with one group of fluid tank and circulating pump, and often group can fill thermal regenerator device and heat release storage heater carries out charge and discharge heat or heat release management by one.
Described fluid select following one or more: liquid, gas, plasma, overcritical body, liquid metal, fuse salt.
Also be provided with fluid heating, fluid is carried out heat exchange, fluid heating selects following one:
A, boilers heated electrically equipment;
B, microwave equipment;
C, high frequency Huo Zhong Frequency equipment;
D, electroacoustic hot-cast socket equipment;
E, electric ceramic;
F, heat pump.
Still control device is had, storage heater provides Systematical control in charge and discharge thermal process, control system by being arranged on the temperature sensor filling heat or heat release import or export of each storage heater, controlled valve, flow sensor, pressure sensor form, and computer, software composition, control system can complete storage heater in the Based Intelligent Control of filling heat or exothermic process.
In storage heater, be provided with following a kind of exchange piece, complete the heat exchange of fluid and heat-storing material:
A, be provided with multiple pipeline, the import of storage heater and outlet are interconnected by pipeline, fluid can be flowed in pipeline, and heat-storing material is arranged in the remaining space of internal tank and pipeline;
B, be provided with heat pipe and carry out heat exchange, a part for heat pipe is arranged in heat-storing material, a part is arranged on the heat exchanging chamber indoor of storage heater in addition, heat exchanging chamber indoor are provided with fluid inlet and outlet, complete the heat exchange of heat pipe and fluid at heat exchange chamber, and then complete the heat exchange with heat-storing material by heat pipe;
C, the passage formed by the profile of solid grain block carry out heat exchange, and fluid flows in the gap that solid grain block is formed or passage, realizes the heat exchange of fluid and heat-storing material.
Described pipeline is selected from following one or combination:
A, helix tube;
The inside of B, pipeline or and outer wall be provided with heat exchange fin;
C, bending pipeline;
The pipeline that D, its diameter can change;
The outer wall of E, pipeline is provided with can with the interconnective concaveconvex structure of solid grain block;
F, pipeline by different metal composite.
Described heat pipe is for selecting following at least one:
The circulating heat pipe group of the composition of the mutual spacing of A, multiple annular, square, rectangle, polygon, bent limit shape composition;
B, be annular, square, rectangle, polygon by the cross sectional shape of a mutual UNICOM, the circulating heat pipe of bent limit shape or self-oscillation heat pipe form;
C, the heat pipe heat be made up of multiple gravity assisted heat pipe.
Adopt technical scheme of the present invention can produce following beneficial effect:
1, the combination segmentation of storage heater of the present invention controls to use, the charge and discharge heat of the combination segmentation of multiple storage heater can be completed, both the storage heater of multiple collection can have been completed and a common storage heater carries out filling heat, can realize like this individual storage heater with concentrated use, also can complete a storage heater carries out heat release to multiple storage heater simultaneously, thus is used for by the heat energy of a storage heater in the different storage heater used.
2, the present invention can realize combination and the separation of the storage heater of different types, and the storage heater in multiple source can carry out the classification use of different object.
3, the present invention can realize accumulation of heat that is capable of being combined and that separate, realizes the establishment at large-scale accumulation of heat station of combining and separate.
4, the present invention can be applied to the multiple application such as industrial exhaust heat, solar energy, underground heat, living beings.
Accompanying drawing explanation
Fig. 1 is the combination segmentation charge and discharge thermal control system of closed loop storage heater.
Number in the figure implication:
1: storage heater import, 2: accumulator outlet, 3: pipeline valve, 4: valve, 5: closed loop 6: firing equipment, 7: fill hot common outlet pipeline, 8: fill hot common inlet pipeline, 9: heat release common inlet pipeline, 10: heat release common outlet pipeline, 11: valve, 12: fluid tank, 13: circulating pump, 14: internal tank connecting pipe, 15: fill thermal regenerator device, 16: heat release storage heater.
Detailed description of the invention
The combination segmentation charge and discharge thermal control system of embodiment 1, closed loop storage heater
A fluid tank 12 and a circulating pump 13 and at least one closed loop circulating line 5; At least two storage heaters 15,16, a high-temperature heat accumulation device is for filling thermal regenerator device, a low-temperature heat accumulating device is heat release storage heater, high-temperature heat accumulation device provides heat energy for low-temperature heat accumulating device, storage heater is provided with a fluid to carry out and fluid issuing, the import of accumulation of heat and outlet are connected with closed loop circulation pipe, each import and export and exit and closed loop circulation pipe upper inlet with export be connected between be provided with a valve, can be circulated by Valve controlling fluid or not circulate; Fluid storage is in fluid tank, and circulating pump drive fluid can prolong closed loop circulation pipe and flow;
In the charge and discharge thermal process of carrying out storage heater, the import of filling thermal regenerator device of high temperature and outlet are opened, the import of the heat release storage heater of low temperature and outlet are opened simultaneously, the fluid in circulating pump drive fluid case is utilized to circulate, high temperature to be filled in thermal regenerator device heat energy by fluid communication in low-temperature heat accumulating device, realizes the exchange of heat energy;
Multiple storage heater is in charge and discharge thermal process, open the terminal valve of storage heater, just can realize the charge and discharge heat of storage heater, when storage heater does not need charge and discharge heat, storage heater import and gate out switch are closed, open the valve on closed loop circulating line simultaneously, storage heater just can be made not carry out charge and discharge heat, charge and discharge thermal control is carried out in combination or the segmentation that can realize storage heater like this.
Also combination charge and discharge heat can be carried out for the storage heater of different temperature ranges, the accumulation of heat of low temperature and the storage heater of high temperature, exchange and the control of heat energy is all realized by the closed loop of circulation, realize multiple heat release simultaneously fill hot and multiple while after being also connected with closed loop by multiple storage heater simultaneously, different combinations and separation only need the valve of different storage heaters to carry out switch, just can realize the utilization carried out by the heat energy of different storage heaters in various degree.
Claims (10)
1. the combination segmentation charge and discharge hot closed-loop control system of storage heater, comprises storage heater, circulating pump, fluid tank, housing etc., it is characterized in that: at least one fluid tank and a circulating pump and at least one closed loop circulating line; At least two storage heaters, a high-temperature heat accumulation device is for filling thermal regenerator device, a low-temperature heat accumulating device is heat release storage heater, high-temperature heat accumulation device provides heat energy for low-temperature heat accumulating device, storage heater is provided with a fluid to carry out and fluid issuing, the import of storage heater and outlet are connected with closed loop circulation pipe, the import of each storage heater and exit and closed loop circulation pipe upper inlet with export be connected between be provided with a valve, can be circulated by Valve controlling fluid or not circulate; Fluid storage is in fluid tank, and circulating pump can drive fluid flow along closed loop circulating line;
In the charge and discharge thermal process of carrying out storage heater, the import of filling thermal regenerator device of high temperature and outlet are opened, the import of the heat release storage heater of low temperature and outlet are opened simultaneously, the fluid in circulating pump drive fluid case is utilized to circulate, high temperature to be filled in thermal regenerator device heat energy by fluid communication in low-temperature heat accumulating device, realizes the exchange of heat energy;
Multiple storage heater is in charge and discharge thermal process, open the terminal valve of storage heater, just can realize the charge and discharge heat of storage heater, when storage heater does not need charge and discharge heat, storage heater import and gate out switch are closed, open the valve on closed loop circulating line simultaneously, storage heater just can be made not carry out charge and discharge heat, charge and discharge thermal control is carried out in combination or the segmentation that can realize storage heater like this.
2. the combination segmentation charge and discharge hot closed-loop control system of storage heater according to claim 1, is characterized in that: described storage heater, according to used heat-storing material, select from following one or more:
A, solid grain block storage heater: comprise the storage heater that all use solid grain blocks are heat-storing material;
B, fluid heat accumulating device: comprise all use liquid, gas, plasma, overcritical body as the storage heater of heat-storing material;
C, fuse salt storage heater: comprise the storage heater of all employing fuse salts as heat-storing material;
D, liquid metal storage heater: comprise the storage heater of all employing liquid metals as heat-storing material;
E, concrete storage heater: the storage heater comprising all employing concrete heat-storing materials;
F, ceramic heat-storing device: comprise all potteries that adopts for the storage heater of heat-storing material.
3. the hot closed-loop control system of combination segmentation charge and discharge of storage heater according to claim 1, it is characterized in that: be provided with multiple fluid tank and multiple circulating pump, each fluid tank and circulating pump group can independent operatings, can realize completing with this group storage heater independently filling heat or heat release.
4. the hot closed-loop control system of combination segmentation charge and discharge of storage heater according to claim 1, it is characterized in that: filling on heat or heat release import or export pipeline of each storage heater is provided with one group of fluid tank and circulating pump, often group can fill thermal regenerator device and heat release storage heater carries out charge and discharge heat or heat release management by one.
5. the combination segmentation charge and discharge hot closed-loop control system of the storage heater according to claim 1 or 3, is characterized in that: described fluid select following one or more: liquid, gas, plasma, overcritical body, liquid metal, fuse salt.
6. the hot closed-loop control system of combination segmentation charge and discharge of storage heater according to claim 1, it is characterized in that: be also provided with fluid heating, fluid is carried out heat exchange, and fluid heating selects following one:
A, boilers heated electrically equipment;
B, microwave equipment;
C, high frequency Huo Zhong Frequency equipment;
D, electroacoustic hot-cast socket equipment;
E, electric ceramic;
F, heat pump.
7. the hot closed-loop control system of combination segmentation charge and discharge of storage heater according to claim 1, it is characterized in that: be also provided with control device, storage heater provides Systematical control in charge and discharge thermal process, control system by being arranged on the temperature sensor filling heat or heat release import or export of each storage heater, controlled valve, flow sensor, pressure sensor form, and computer, software composition, control system can complete storage heater in the Based Intelligent Control of filling heat or exothermic process.
8. the hot closed-loop control system of combination segmentation charge and discharge of storage heater according to claim 1, is characterized in that: in storage heater, be provided with following a kind of exchange piece, complete the heat exchange of fluid and heat-storing material:
A, be provided with multiple pipeline, the import of storage heater and outlet are interconnected by pipeline, fluid can be flowed in pipeline, and heat-storing material is arranged in the remaining space of internal tank and pipeline;
B, be provided with heat pipe and carry out heat exchange, a part for heat pipe is arranged in heat-storing material, a part is arranged on the heat exchanging chamber indoor of storage heater in addition, heat exchanging chamber indoor are provided with fluid inlet and outlet, complete the heat exchange of heat pipe and fluid at heat exchange chamber, and then complete the heat exchange with heat-storing material by heat pipe;
C, the passage formed by the profile of solid grain block carry out heat exchange, and fluid flows in the gap that solid grain block is formed or passage, realizes the heat exchange of fluid and heat-storing material.
9. the hot closed-loop control system of combination segmentation charge and discharge of storage heater according to claim 8, is characterized in that: described pipeline is selected from following one or combination:
A, helix tube;
The inside of B, pipeline or and outer wall be provided with heat exchange fin;
C, bending pipeline;
The pipeline that D, its diameter can change;
The outer wall of E, pipeline is provided with can with the interconnective concaveconvex structure of solid grain block;
F, pipeline by different metal composite.
10. the hot closed-loop control system of combination segmentation charge and discharge of storage heater according to claim 8, is characterized in that: described heat pipe is for selecting following at least one:
The circulating heat pipe group of the composition of the mutual spacing of A, multiple annular, square, rectangle, polygon, bent limit shape composition;
B, be annular, square, rectangle, polygon by the cross sectional shape of a mutual UNICOM, the circulating heat pipe of bent limit shape or self-oscillation heat pipe form;
C, the heat pipe heat be made up of multiple gravity assisted heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310573936.9A CN104654894B (en) | 2013-11-17 | 2013-11-17 | The hot closed-loop control system of charge and discharge is divided in the combination of storage heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310573936.9A CN104654894B (en) | 2013-11-17 | 2013-11-17 | The hot closed-loop control system of charge and discharge is divided in the combination of storage heater |
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| Publication Number | Publication Date |
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| CN104654894A true CN104654894A (en) | 2015-05-27 |
| CN104654894B CN104654894B (en) | 2019-03-12 |
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| CN201310573936.9A Expired - Fee Related CN104654894B (en) | 2013-11-17 | 2013-11-17 | The hot closed-loop control system of charge and discharge is divided in the combination of storage heater |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534210A (en) * | 2018-06-14 | 2018-09-14 | 济南金孚瑞供热工程技术有限公司 | Superposing type energy storage heat heat pump heating system |
| CN109631357A (en) * | 2016-01-12 | 2019-04-16 | 山东理工大学 | A kind of intelligent control solar heat-preservation system of via area variation |
| CN110446901A (en) * | 2017-01-23 | 2019-11-12 | A·T·马克思沃西 | Waste liquid heat recovery |
| CN112696958A (en) * | 2019-10-23 | 2021-04-23 | 国网安徽省电力有限公司 | Closed heat storage system and heat storage and release method thereof |
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| CN1982806A (en) * | 2005-12-15 | 2007-06-20 | 李建民 | Solar hot-pipe heat-transferring assembly |
| CN102168848A (en) * | 2011-04-18 | 2011-08-31 | 中国科学院电工研究所 | High-temperature concrete heat reservoir capable of generating steam directly |
| CN102818468A (en) * | 2011-06-12 | 2012-12-12 | 北京兆阳能源技术有限公司 | Solid heat storage device |
| CN102944131A (en) * | 2012-11-20 | 2013-02-27 | 中国科学院工程热物理研究所 | Novel superheated steam storing device and method |
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2013
- 2013-11-17 CN CN201310573936.9A patent/CN104654894B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6691766B1 (en) * | 2000-09-15 | 2004-02-17 | Lucent Technologies Inc. | Cabinet cooling with heat pipe |
| CN1982806A (en) * | 2005-12-15 | 2007-06-20 | 李建民 | Solar hot-pipe heat-transferring assembly |
| CN102168848A (en) * | 2011-04-18 | 2011-08-31 | 中国科学院电工研究所 | High-temperature concrete heat reservoir capable of generating steam directly |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631357A (en) * | 2016-01-12 | 2019-04-16 | 山东理工大学 | A kind of intelligent control solar heat-preservation system of via area variation |
| CN110446901A (en) * | 2017-01-23 | 2019-11-12 | A·T·马克思沃西 | Waste liquid heat recovery |
| CN108534210A (en) * | 2018-06-14 | 2018-09-14 | 济南金孚瑞供热工程技术有限公司 | Superposing type energy storage heat heat pump heating system |
| CN108534210B (en) * | 2018-06-14 | 2023-12-01 | 济南金孚瑞供热工程技术有限公司 | Implementation method of stacked energy storage type heat pump heating system |
| CN112696958A (en) * | 2019-10-23 | 2021-04-23 | 国网安徽省电力有限公司 | Closed heat storage system and heat storage and release method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104654894B (en) | 2019-03-12 |
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