CN102745427A - Large molten salt storage tank device used in heat storage system of tower type photo-thermal power station - Google Patents
Large molten salt storage tank device used in heat storage system of tower type photo-thermal power station Download PDFInfo
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- CN102745427A CN102745427A CN2012102574548A CN201210257454A CN102745427A CN 102745427 A CN102745427 A CN 102745427A CN 2012102574548 A CN2012102574548 A CN 2012102574548A CN 201210257454 A CN201210257454 A CN 201210257454A CN 102745427 A CN102745427 A CN 102745427A
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- jar
- cold
- tank
- heat
- power station
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Classifications
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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
- F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
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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
- F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
- F28D2020/0047—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material using molten salts or liquid metals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2270/00—Thermal insulation; Thermal decoupling
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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
Abstract
The invention relates to a large molten salt storage tank device, and particularly relates to a large molten salt storage tank device used in a heat storage system of a tower type photo-thermal power station, to solve the problems that an existing molten salt storage tank is complex in structure and poor in heat preservation effect, the molten salt is dissolved at a high temperature and the storage tank is likely to be corroded. A cold tank body provided by the invention is a sealed columnar vault cold tank body which is composed of a cold tank top, a cold tank barrel body and a cold tank bottom; a cold tank support structure is arranged on an outer side wall of the cold tank body; a hot tank body is a sealed columnar vault hot tank body which is composed of a tank top, a hot tank barrel body and a hot tank bottom; an aluminum silicate insulating layer and a hot tank galvanized iron layer are arranged on the hot tank top and the outer wall of the hot tank barrel body from inside to outside sequentially; and the hot tank support structure is arranged on the outer side wall of the hot tank body. The large molten salt storage tank device is used in the heat storage system of the tower type photo-thermal power station.
Description
Technical field
The present invention relates to a kind of large-scale fused salt tank arrangement, be specifically related to a kind of large-scale fused salt tank arrangement that is used for tower photo-thermal power station heat reservoir.
Background technology
In recent years, it is rapid to comprise the tower photo-thermal power generation technical development of heat reservoir.Intensity of solar radiation changes constantly, solar power system sooner or later or the obnubilation gap must rely on energy stored to keep the normal operation of system, relatively stable in order to guarantee to generate electricity, must take the accumulation of heat measure.Heat reservoir is a requisite component part in the tower photo-thermal power station; And hot and cold fused salt storage tank is one of equipment of paramount importance in the heat reservoir, the economy of stability, safety and the power station operation of the whole hold over system of good and bad directly influence of each item performances such as its insulation.
Power station operation and inaction interval, hot and cold jar of interior temperature of molten salt all must remain on more than the solidfying point, and must be in molten condition all the time, and a heat jar fused salt temperature will maintain about 570 ℃, and the temperature drop rate can not be above 1.6 ℃/day; Cold jar of salt temperature must remain on solidfying point more than 250 ℃, so the requirement of the heat insulation effect of fused salt storage tank is comparatively strict, and the heat insulation effect of existing fused salt storage tank is poor, and the problem of fused salt decomposition and storage tank corrosion is the difficult point that heat reservoir waits to solve always under the high temperature.
Summary of the invention
There is complex structure in existing fused salt storage tank, heat insulation effect is poor, high-temperature molten salt decomposes, the corrosion-prone problem of storage tank in order to solve in the present invention, and then proposes a kind of large-scale fused salt tank arrangement that is used for tower photo-thermal power station heat reservoir.
The present invention addresses the above problem the technical scheme of taking to be: the present invention includes cold jar and heat jar; Said cold jar comprises cold tank, rock wool heat-preservation layer, cold jar of galvanized iron cortex and cold jar of supporting construction; The cold tank of airtight cylindrical vault that cold tank was made up of cold jar of tank deck, cold jar of jar cylindrical shell and the cold jar jar end; Rock wool heat-preservation layer, cold jar of galvanized iron cortex are successively set on the lateral wall of cold jar of tank deck and cold jar of jar cylindrical shell from the inside to the outside; Cold jar of supporting construction is arranged on the lateral wall of cold tank; Said heat jar comprises hot tank, aluminium silicate heat-insulation layer, heat jar galvanized iron cortex and heat jar supporting construction; Hot tank is by heat jar tank deck, heat jar jar cylindrical shell and the heat jar hot tank of airtight cylindrical vault that jar end is formed, and aluminium silicate heat-insulation layer, heat jar galvanized iron cortex are successively set on the lateral wall of heat jar tank deck and heat jar jar cylindrical shell from the inside to the outside, and a heat jar supporting construction is arranged on the lateral wall of hot tank.
Beneficial effect of the present invention: the present invention is simple in structure, manufacturing is easy, high insulating effect; Effectively improved the resistance to corrosion of storage tank to the decomposition of fused salt; Cost of manufacture of the present invention is low, is convenient to maintenance and installation, can be widely used in the heat reservoir of various tower photo-thermal power station.
Description of drawings
Fig. 1 is an integral structure scheme drawing of the present invention, and Fig. 2 is cold jar a part sectional view, and Fig. 3 is the part sectional view of heat jar.
The specific embodiment
The specific embodiment one: combine Fig. 1, Fig. 2 and Fig. 3 that this embodiment is described; The said a kind of large-scale fused salt tank arrangement that is used for tower photo-thermal power station of this embodiment comprises cold jar and heat jar; Said cold jar comprises cold tank 1, rock wool heat-preservation layer 2, cold jar of galvanized iron cortex 3 and cold jar of supporting construction 4; Cold tank 1 is by cold jar of tank deck 1-1, cold jar of jar cylindrical shell 1-2 and the cold jar of cold tank 1 of airtight cylindrical vault that jar end 1-3 forms; Rock wool heat-preservation layer 2, cold jar of galvanized iron cortex 3 are successively set on the lateral wall of cold jar of tank deck 1-1 and cold jar jar of cylindrical shell 1-2 from the inside to the outside; Cold jar of supporting construction 4 is arranged on the lateral wall of cold tank 1; Said heat jar comprises hot tank 5, aluminium silicate heat-insulation layer 6, heat jar galvanized iron cortex 7 and heat jar supporting construction 8; Hot tank 5 is by heat jar tank deck 5-1, heat jar jar cylindrical shell 5-2 and the heat jar hot tank 5 of airtight cylindrical vault that jar end 5-3 forms, and aluminium silicate heat-insulation layer 6, heat jar galvanized iron cortex 7 are successively set on the lateral wall of heat jar tank deck 5-1 and heat jar jar cylindrical shell 5-2 from the inside to the outside, and a heat jar supporting construction 8 is arranged on the lateral wall of hot tank 5.
The specific embodiment two: combine Fig. 1 that this embodiment is described; Be furnished with cold jar of anti-solar or lunar halo 9 on the lateral wall of cold jar jar of cylindrical shell 1-2 of the cold tank 1 of the said a kind of large-scale fused salt tank arrangement that is used for tower photo-thermal power station heat reservoir of this embodiment, be furnished with heat jar anti-solar or lunar halo 10 on the lateral wall of the heat of hot tank 1 jar jar cylindrical shell 1-2.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: combine Fig. 2 and Fig. 3 that this embodiment is described; Cold jar of can body 1-2 of the said a kind of large-scale fused salt tank arrangement that is used for tower photo-thermal power station heat reservoir of this embodiment is provided with cold jar of waterproof packing course 11 with the bottom between the cold jar of galvanized iron cortex 3, and heat jar can body 5-2 is provided with cold jar waterproof packing course 12 with bottom between the cold jar galvanized iron cortex 7.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment four: combine Fig. 1, Fig. 2 and Fig. 3 that this embodiment is described; The said a kind of cold jar of supporting construction 4 that is used for the large-scale fused salt tank arrangement in tower photo-thermal power station of this embodiment is to be shaped as cylindric frame body; Said cylinder-shaped frame body is provided with a plurality of support arms; A plurality of support arms are fixed on the lateral wall of cold tank 1; A heat jar supporting construction 8 is to be shaped as cylindric frame body, and said cylinder-shaped frame body is provided with a plurality of support arms, and a plurality of support arms are fixed on the lateral wall of hot tank 5.Other composition and annexation are identical with the specific embodiment one, two or three.
Principle of work
When tower photo-thermal power station is moved; Fused salt in cold jar gets into after the intensification of absorbing heat in the heat jar in pump for liquid salts is transported to the heat sink on the high tower, and high-temperature molten salt is from the hot jar of steam generator of flowing through; Heating cooling water generates steam; The driving steam turbine operation is flowed back to cold jar after the temperature of molten salt reduction, and cold jar guarantees molten condition all the time with a heat jar interior fused salt.
Claims (4)
1. large-scale fused salt tank arrangement that is used for tower photo-thermal power station heat reservoir; It is characterized in that: said a kind of large-scale fused salt tank arrangement that is used for tower photo-thermal power station heat reservoir comprises cold jar and heat jar; Said cold jar comprises cold tank (1), rock wool heat-preservation layer (2), cold jar of galvanized iron cortex (3) and cold jar of supporting construction (4); Cold tank (1) is by cold jar of tank deck (1-1), cold jar of jar cylindrical shell (1-2) and the cold jar jar of cold tank of airtight cylindrical vault (1) that the end (1-3) is formed; Rock wool heat-preservation layer (2), cold jar of galvanized iron cortex (3) are successively set on the lateral wall of cold jar of tank deck (1-1) and cold jar jar of cylindrical shell (1-2) from the inside to the outside; Cold jar of supporting construction (4) is arranged on the lateral wall of cold tank (1); Said heat jar comprises hot tank (5), aluminium silicate heat-insulation layer (6), heat jar galvanized iron cortex (7) and heat jar supporting construction (8); Hot tank (5) is by heat jar tank deck (5-1), heat jar jar cylindrical shell (5-2) and the heat jar jar hot tank of airtight cylindrical vault (5) that the end (5-3) is formed; Aluminium silicate heat-insulation layer (6), heat jar galvanized iron cortex (7) are successively set on the lateral wall of heat jar tank deck (5-1) and heat jar jar cylindrical shell (5-2) from the inside to the outside, and a heat jar supporting construction (8) is arranged on the lateral wall of hot tank (5).
2. according to the said a kind of large-scale fused salt tank arrangement that is used for tower photo-thermal power station heat reservoir of claim 1; It is characterized in that: be furnished with cold jar of anti-solar or lunar halo (9) on the lateral wall of cold jar jar of cylindrical shell (1-2) of cold tank (1), be furnished with heat jar anti-solar or lunar halo (10) on the lateral wall of the heat of hot tank (1) jar jar cylindrical shell (1-2).
3. according to the said a kind of large-scale fused salt tank arrangement that is used for tower photo-thermal power station heat reservoir of claim 1; It is characterized in that: the bottom between cold jar can body (1-2) and the cold jar of galvanized iron cortex (3) is provided with cold jar of waterproof packing course (11), and the bottom between heat jar can body (5-2) and the cold jar galvanized iron cortex (7) is provided with cold jar of waterproof packing course (12).
4. according to claim 1,2 or 3 said a kind of large-scale fused salt tank arrangement that are used for tower photo-thermal power station heat reservoir; It is characterized in that: cold jar of supporting construction (4) is to be shaped as cylindric frame body; Said cylinder-shaped frame body is provided with a plurality of support arms, and a plurality of support arms are fixed on the lateral wall of cold tank (1), and a heat jar supporting construction (8) is to be shaped as cylindric frame body; Said cylinder-shaped frame body is provided with a plurality of support arms, and a plurality of support arms are fixed on the lateral wall of hot tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102574548A CN102745427A (en) | 2012-07-24 | 2012-07-24 | Large molten salt storage tank device used in heat storage system of tower type photo-thermal power station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102574548A CN102745427A (en) | 2012-07-24 | 2012-07-24 | Large molten salt storage tank device used in heat storage system of tower type photo-thermal power station |
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| CN102745427A true CN102745427A (en) | 2012-10-24 |
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| CN2012102574548A Pending CN102745427A (en) | 2012-07-24 | 2012-07-24 | Large molten salt storage tank device used in heat storage system of tower type photo-thermal power station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231869A (en) * | 2013-05-14 | 2013-08-07 | 常州循天节能科技有限公司 | Thermal insulation structure of thermal medium storage tank and thermal medium pipe of solar photo-thermal power generation system |
| CN103569537A (en) * | 2013-11-13 | 2014-02-12 | 青岛四方车辆研究所有限公司 | Heating and unfreezing device applied to movable car loader forked funnel |
| US11015877B2 (en) | 2017-02-07 | 2021-05-25 | Battelle Energy Alliance, Llc | Energy storage systems including thermal storage tanks |
Citations (7)
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|---|---|---|---|---|
| JPH11166694A (en) * | 1997-12-08 | 1999-06-22 | Ishikawajima Harima Heavy Ind Co Ltd | Membrane type low-temperature storage tank |
| JP2002081876A (en) * | 2000-08-31 | 2002-03-22 | Takiron Co Ltd | Convenient heat storage tank |
| CN201458118U (en) * | 2009-01-16 | 2010-05-12 | 中石油东北炼化工程有限公司吉林设计院 | Large-size atmospheric storage tank without heating medium input in cold region |
| CN201619828U (en) * | 2009-12-16 | 2010-11-03 | 中国石油天然气集团公司 | Less-support thermal bridge frame body for oilfield vertical thick oil storage tank |
| CN202024506U (en) * | 2011-04-08 | 2011-11-02 | 常州市兴旺绿色能源有限公司 | Connecting structure between solar engineering water tank and outer ladder |
| CN102582981A (en) * | 2012-02-29 | 2012-07-18 | 江苏太阳宝新能源有限公司 | Heat insulation structure of solar thermal power generation high-temperature molten salt storage tank and preparation method for heat insulation structure |
| CN202754320U (en) * | 2012-07-24 | 2013-02-27 | 哈尔滨汽轮机厂辅机工程有限公司 | Large-scale fused salt storage tank device for tower-type photo-thermal power station heat storage system |
-
2012
- 2012-07-24 CN CN2012102574548A patent/CN102745427A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11166694A (en) * | 1997-12-08 | 1999-06-22 | Ishikawajima Harima Heavy Ind Co Ltd | Membrane type low-temperature storage tank |
| JP2002081876A (en) * | 2000-08-31 | 2002-03-22 | Takiron Co Ltd | Convenient heat storage tank |
| CN201458118U (en) * | 2009-01-16 | 2010-05-12 | 中石油东北炼化工程有限公司吉林设计院 | Large-size atmospheric storage tank without heating medium input in cold region |
| CN201619828U (en) * | 2009-12-16 | 2010-11-03 | 中国石油天然气集团公司 | Less-support thermal bridge frame body for oilfield vertical thick oil storage tank |
| CN202024506U (en) * | 2011-04-08 | 2011-11-02 | 常州市兴旺绿色能源有限公司 | Connecting structure between solar engineering water tank and outer ladder |
| CN102582981A (en) * | 2012-02-29 | 2012-07-18 | 江苏太阳宝新能源有限公司 | Heat insulation structure of solar thermal power generation high-temperature molten salt storage tank and preparation method for heat insulation structure |
| CN202754320U (en) * | 2012-07-24 | 2013-02-27 | 哈尔滨汽轮机厂辅机工程有限公司 | Large-scale fused salt storage tank device for tower-type photo-thermal power station heat storage system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231869A (en) * | 2013-05-14 | 2013-08-07 | 常州循天节能科技有限公司 | Thermal insulation structure of thermal medium storage tank and thermal medium pipe of solar photo-thermal power generation system |
| CN103231869B (en) * | 2013-05-14 | 2015-04-08 | 常州循天节能科技有限公司 | Thermal insulation structure of thermal medium storage tank and thermal medium pipe of solar photo-thermal power generation system |
| CN103569537A (en) * | 2013-11-13 | 2014-02-12 | 青岛四方车辆研究所有限公司 | Heating and unfreezing device applied to movable car loader forked funnel |
| US11015877B2 (en) | 2017-02-07 | 2021-05-25 | Battelle Energy Alliance, Llc | Energy storage systems including thermal storage tanks |
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Application publication date: 20121024 |