CN102563932A - Gas sealing device of solar-thermal power generation energy storage tanks and method of gas sealing device - Google Patents
Gas sealing device of solar-thermal power generation energy storage tanks and method of gas sealing device Download PDFInfo
- Publication number
- CN102563932A CN102563932A CN2012100541107A CN201210054110A CN102563932A CN 102563932 A CN102563932 A CN 102563932A CN 2012100541107 A CN2012100541107 A CN 2012100541107A CN 201210054110 A CN201210054110 A CN 201210054110A CN 102563932 A CN102563932 A CN 102563932A
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- China
- Prior art keywords
- energy storage
- storage tank
- gas
- tank body
- sealing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000004146 energy storage Methods 0.000 title claims abstract description 76
- 238000010248 power generation Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 48
- 239000011261 inert gas Substances 0.000 claims abstract description 31
- 238000003860 storage Methods 0.000 claims abstract description 12
- 238000002309 gasification Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 12
- 239000011232 storage material Substances 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000012782 phase change material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Classifications
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a gas sealing device of solar-thermal power generation energy storage tanks and a method of the gas sealing device. The gas sealing device comprises two energy storage tanks which are communicated with each other by a pipeline, an automatic control valve is arranged on the pipeline, the two energy storage tanks are further connected with a gas expansion sac by pipelines, and the gas expansion sac is further connected with a gas storage system by a direct gas supplying gasification system. The gas sealing device and the method have the advantages that characteristics of low heat conductivity, high stability in chemical performance, convenience in preparation and the like of inert gases are sufficiently utilized, the problem that phase-change energy storage media in an existing solar-thermal power generation energy storage tank are difficult to be sealed off from air is solved, pressure of inert gases in the tanks is basically controlled to be normal by the aid of breather exhaust valves, production difficulty and cost of the tanks are reduced, the service lives of the tanks are prolonged, simultaneously, automation degree is high, operation is simple, utilization and maintenance are convenient, service cost is low, and an economic performance is high.
Description
Technical field
The present invention relates to the solar light-heat power-generation technology, particularly solar light-heat power-generation energy storage technology field.
Background technology
Must have thermophore to carry out high-temperature heat-storage in the solar light-heat power-generation energy-storage system, thermophore is generally high-temperature fusion salt or other phase-change material; Chemical reaction can take place in the heat-carrying phase-change material under the condition of high temperature with after airborne oxygen contacts; Influence heat-carrying phase-change material energy-storage property; Accelerated the corrosion to the tank body material simultaneously, the energy storage canister body life time is produced serious influence, the relative thermal conductivity of air can be high simultaneously; Strengthen thermal convection current and heat conduction in the energy storage tank body, increased the heat waste of heat-carrying phase-change material;
The traditional solution is with energy storage tank body encapsulation process, the air of isolated energy storage canister inside and outside, still; Oxygen and other gas in the energy storage tank body still fail to remove fully, and when energy storage material exchanged in the energy storage tank body, tank body frequently produced negative pressure; Still can cause fatal destruction to the energy storage tank body, simultaneously, manufacturing cost is very high; Operational risk is big, and owing to the heat waste that heat is conducted and thermal convection current causes of air still can't solve.
Summary of the invention
The technical problem that the present invention will solve is: propose a kind of solar light-heat power-generation energy storage tank body gas sealing device and method thereof that can solve the difficult problem of interior phase-change and energy-storage medium of solar light-heat power-generation energy storage tank body and air sealed-off.
The technical scheme that the present invention adopted is: a kind of solar light-heat power-generation energy storage tank body gas sealing device, comprise two energy storage tank bodies, and through pipeline connection, described pipeline is provided with autocontrol valve between described two energy storage tank bodies; Described two energy storage tank bodies also are connected with gas expansion bag through pipeline, and described gas expands bag again through gas direct-furnish gasification system connection gaseous storage system.
In order to make two energy storage tank bodies all be controlled at atmospheric pressure state, the top of two energy storage tank bodies of the present invention is respectively arranged with pressure control breather valve, and the number of described pressure control breather valve is single or a plurality of.
Further say, storage inert gas in the gaseous storage of the present invention system, described inert gas is nitrogen or argon gas.
Simultaneously; The present invention also provides a kind of solar light-heat power-generation energy storage tank body gas sealing-off method; Get into inert gas direct-furnish gasification system by liquid inert gas in the inert gas storage system through pipeline; Inert gas after the gasification expands through pipeline entering gas and wraps and form certain pressure, and the inert gas that gas expands in wrapping gets into the energy storage tank body of two connections respectively through pipeline, expanded by heating behind two energy storage tank bodies of inert gas entering; Other gases of tank body are discharged, accomplish sealing energy storage material in the energy storage tank body.
Specifically, the pressure in two energy storage tank bodies of the present invention is controlled at atmospheric pressure state through the pressure control breather valve at top separately respectively.
When the energy storage material in two energy storage tank bodies exchanges; Unnecessary gas in the low liquid level energy storage tank body gets into high liquid level energy storage tank body through the autocontrol valve on connecting line and the connecting line and fills, and makes the interior inert gas of gas expansion bag through pipeline high liquid level energy storage canister carried out protectiveness simultaneously and replenishes.
In order to strengthen automaticity of the present invention, be provided with autocontrol valve on the connecting line of each several part of the present invention.
The invention has the beneficial effects as follows: characteristics such as inert gas heat conduction is low from having made full use of in the present invention, chemical property is extremely stable, preparation is convenient have fundamentally solved the difficult problem of interior phase-change and energy-storage medium of solar light-heat power-generation energy storage tank body and air sealed-off; Owing to adopt to breathe air bleeding valve, the inert gas pressure basic controlling has reduced tank body and has manufactured difficulty and cost at atmospheric pressure state in jar, improves tank body service life; The patent art automaticity is high simultaneously, and is simple to operate, easy to use; Be convenient to safeguard that use cost is low, economic performance is high.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the structural representation of the preferred embodiments of the present invention;
Among the figure: 1, inert gas storage system; 2, inert gas direct-furnish gasification system; 3,4,7,8,10 and 14 be autocontrol valve; 5, safe pressure valve; 6, gas expands and wraps; 9～11, pressure control breather valve; 12～13, energy storage tank body.
The specific embodiment
Combine accompanying drawing and preferred embodiment that the present invention is done further detailed explanation now.These accompanying drawings are the sketch map of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
A kind of solar light-heat power-generation energy storage tank body gas sealing device as shown in Figure 1 comprises two energy storage tank bodies, and through pipeline connection, pipeline is provided with autocontrol valve between two energy storage tank bodies; Two energy storage tank bodies also are connected with gas expansion bag through pipeline, and gas expands bag again through gas direct-furnish gasification system connection gaseous storage system.
During the device operation, open autocontrol valve 3, liquid inert gas gets into inert gas direct-furnish gasification system 2 through pipeline in the inert gas storage system 1; Open autocontrol valve 4; Inert gas after the gasification gets into gas expansion bag 6 and forms certain pressure through pipeline, closes autocontrol valve 4, opens autocontrol valve 7,8 and 10 successively; Inert gases in the gas expansion bag 6 get into energy storage tank body 12 and 13 respectively through pipeline; Inert gas gets into energy storage tank body 12 and 13 back expanded by heating, other gases of tank body is discharged, thereby reach the purpose that energy storage material in the energy storage tank body is sealed.
Pressure in the energy storage tank body 12 and 13 is controlled at atmospheric pressure state through pressure control breather valve 11 and 9 respectively.
When the energy storage material in the energy storage tank body 12 and 13 exchanges; Unnecessary gas in the low liquid level energy storage tank body gets into high liquid level energy storage tank body through autocontrol valve 14 and connecting line and fills; Open autocontrol valve 7 simultaneously, the inert gases in the gas expansion bag 6 carry out protectiveness through pipeline to high liquid level energy storage canister and replenish.
What describe in the above specification is the specific embodiment of the present invention; Various not illustrating constitutes restriction to flesh and blood of the present invention; Under the those of ordinary skill of technical field after having read specification can to before the described specific embodiment make an amendment or be out of shape, and do not deviate from essence of an invention and scope.
Claims (7)
1. solar light-heat power-generation energy storage tank body gas sealing device is characterized in that: comprise two energy storage tank bodies, through pipeline connection, described pipeline is provided with autocontrol valve between described two energy storage tank bodies; Described two energy storage tank bodies also are connected with gas expansion bag through pipeline, and described gas expands bag again through gas direct-furnish gasification system connection gaseous storage system.
2. solar light-heat power-generation energy storage tank body gas sealing device as claimed in claim 1 is characterized in that: the top of described two energy storage tank bodies is respectively arranged with pressure control breather valve, and the number of described pressure control breather valve is single or a plurality of.
3. solar light-heat power-generation energy storage tank body gas sealing device as claimed in claim 1 is characterized in that: storage inert gas in the described gaseous storage system, described inert gas is nitrogen or argon gas.
4. solar light-heat power-generation energy storage tank body gas sealing-off method; It is characterized in that: get into inert gas direct-furnish gasification system through pipeline by liquid inert gas in the inert gas storage system; Inert gas after the gasification gets into gas expansion bag and forms certain pressure through pipeline; The inert gas that gas expands in wrapping gets into the energy storage tank body of two connections respectively through pipeline; Expanded by heating behind two energy storage tank bodies of inert gas entering is discharged other gases of tank body, accomplishes the sealing to energy storage material in the energy storage tank body.
5. solar light-heat power-generation energy storage tank body gas sealing-off method as claimed in claim 4 is characterized in that: the pressure in described two energy storage tank bodies is controlled at atmospheric pressure state through the pressure control breather valve at top separately respectively.
6. solar light-heat power-generation energy storage tank body gas sealing-off method as claimed in claim 4; It is characterized in that: when the energy storage material in described two energy storage tank bodies exchanges; Unnecessary gas in the low liquid level energy storage tank body gets into high liquid level energy storage tank body through the autocontrol valve on connecting line and the connecting line and fills, and makes the interior inert gas of gas expansion bag through pipeline high liquid level energy storage canister carried out protectiveness simultaneously and replenishes.
7. solar light-heat power-generation energy storage tank body gas sealing-off method as claimed in claim 4 is characterized in that: be provided with autocontrol valve on the connecting line of described each several part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100541107A CN102563932A (en) | 2012-02-29 | 2012-02-29 | Gas sealing device of solar-thermal power generation energy storage tanks and method of gas sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100541107A CN102563932A (en) | 2012-02-29 | 2012-02-29 | Gas sealing device of solar-thermal power generation energy storage tanks and method of gas sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102563932A true CN102563932A (en) | 2012-07-11 |
Family
ID=46410043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100541107A Pending CN102563932A (en) | 2012-02-29 | 2012-02-29 | Gas sealing device of solar-thermal power generation energy storage tanks and method of gas sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102563932A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627802A (en) * | 2016-02-05 | 2016-06-01 | 国网安徽省电力公司芜湖供电公司 | Thermal storage device |
| CN112069462A (en) * | 2020-08-28 | 2020-12-11 | 中国空气动力研究与发展中心计算空气动力研究所 | Large icing wind tunnel high-pressure air resource consumption calculation method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124464A (en) * | 1994-03-16 | 1996-06-12 | 住友精化株式会社 | Method and apparatus for separating gas |
| CN1328472A (en) * | 1998-09-30 | 2001-12-26 | 医疗物理有限公司 | Hyperpolarized noble gas extraction method, masking method and associated delivery vessel |
| CN2802345Y (en) * | 2005-06-28 | 2006-08-02 | 潘戈 | Solar heat collector and heat pump combined heating type neegy storage water heater |
| CN101071003A (en) * | 2006-05-12 | 2007-11-14 | 韩宏波 | Movable solar energy storage heating device |
| CN201604938U (en) * | 2009-12-30 | 2010-10-13 | 贵阳铝镁设计研究院 | Storage tank structure sealed by using inert gas |
| CN102155806A (en) * | 2011-03-28 | 2011-08-17 | 杭州立扬聚光蓄热科技有限公司 | Salt-melting heat-storing warehouse |
| CN202501644U (en) * | 2012-02-29 | 2012-10-24 | 江苏太阳宝新能源有限公司 | Solar thermal power generation energy storage tank gas sealing device |
-
2012
- 2012-02-29 CN CN2012100541107A patent/CN102563932A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124464A (en) * | 1994-03-16 | 1996-06-12 | 住友精化株式会社 | Method and apparatus for separating gas |
| CN1328472A (en) * | 1998-09-30 | 2001-12-26 | 医疗物理有限公司 | Hyperpolarized noble gas extraction method, masking method and associated delivery vessel |
| CN2802345Y (en) * | 2005-06-28 | 2006-08-02 | 潘戈 | Solar heat collector and heat pump combined heating type neegy storage water heater |
| CN101071003A (en) * | 2006-05-12 | 2007-11-14 | 韩宏波 | Movable solar energy storage heating device |
| CN201604938U (en) * | 2009-12-30 | 2010-10-13 | 贵阳铝镁设计研究院 | Storage tank structure sealed by using inert gas |
| CN102155806A (en) * | 2011-03-28 | 2011-08-17 | 杭州立扬聚光蓄热科技有限公司 | Salt-melting heat-storing warehouse |
| CN202501644U (en) * | 2012-02-29 | 2012-10-24 | 江苏太阳宝新能源有限公司 | Solar thermal power generation energy storage tank gas sealing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627802A (en) * | 2016-02-05 | 2016-06-01 | 国网安徽省电力公司芜湖供电公司 | Thermal storage device |
| CN112069462A (en) * | 2020-08-28 | 2020-12-11 | 中国空气动力研究与发展中心计算空气动力研究所 | Large icing wind tunnel high-pressure air resource consumption calculation method |
| CN112069462B (en) * | 2020-08-28 | 2022-05-31 | 中国空气动力研究与发展中心计算空气动力研究所 | Large icing wind tunnel high-pressure air resource consumption calculation method |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20120711 |