CN202754320U - Large-scale fused salt storage tank device for tower-type photo-thermal power station heat storage system - Google Patents

Large-scale fused salt storage tank device for tower-type photo-thermal power station heat storage system Download PDF

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Publication number
CN202754320U
CN202754320U CN2012203593927U CN201220359392U CN202754320U CN 202754320 U CN202754320 U CN 202754320U CN 2012203593927 U CN2012203593927 U CN 2012203593927U CN 201220359392 U CN201220359392 U CN 201220359392U CN 202754320 U CN202754320 U CN 202754320U
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CN
China
Prior art keywords
tank
cold
hot
hot tank
fused salt
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Expired - Lifetime
Application number
CN2012203593927U
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Chinese (zh)
Inventor
杨镇海
陈丽君
姜晓霞
卢日时
郝志鹏
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Harbin Turbine Auxiliary Equipment Engineering Co Ltd
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Harbin Turbine Auxiliary Equipment Engineering Co Ltd
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Priority to CN2012203593927U priority Critical patent/CN202754320U/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0034Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0034Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
    • F28D2020/0047Heat 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2270/00Thermal insulation; Thermal decoupling
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The utility model relates to a large-scale fused salt storage tank device, in particular to a large-scale fused salt storage tank device for a tower-type photo-thermal power station heat storage system, and aims at solving the problems that an existing fused salt storage tank is simple in structure and poor in heat preservation effects, decomposition of fused salt is carried out at high temperature, and a storage tank is easy to corrode. A cold tank body is an airtight cylindrical vault cold tank body composed of a cold tank top, a cold tank cylinder body and a cold tank bottom. A cold support structure is arranged on the outer side wall of the cold tank body. A hot tank body is an airtight cylindrical vault hot tank body composed of a hot tank top, a hot tank cylinder body and a hot tank bottom. An aluminium silicate heat preservation layer and a hot tank galvanized iron layer are sequentially arranged on the hot tank top and the outer side wall of the hot tank cylinder body from inside to outside. A hot tank support structure is arranged on the outer side wall of the hot tank body. The large-scale fused salt storage tank device for the tower-type photo-thermal power station heat storage system is applied to the tower-type photo-thermal power station heat storage system.

Description

A kind of large-scale fused salt tank arrangement for tower photo-thermal power station heat reservoir
Technical field
The utility model relates to a kind of large-scale fused salt tank arrangement, is specifically related to a kind of large-scale fused salt tank arrangement 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 the energy of storage 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 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 that its insulation waits stability, safety and the power station of the whole hold over system of good and bad directly impact of properties to move.
Power station operation and inaction interval, the temperature of molten salt in the hot and cold tank all must remain on more than the solidfying point, and must be in all the time molten condition, and hot tank fused salt temperature will maintain about 570 ℃, and the temperature drop rate can not be above 1.6 ℃/day; Cold tank 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 Corrosion of Tanks is the difficult point that heat reservoir waits to solve always under the high temperature.
The utility model content
There is complex structure in existing fused salt storage tank to the utility model, heat insulation effect is poor, high-temperature molten salt decomposes, the corrosion-prone problem of storage tank in order to solve, and then proposes a kind of large-scale fused salt tank arrangement for tower photo-thermal power station heat reservoir.
The utility model is to address the above problem the technical scheme of taking to be: the utility model comprises cold tank and hot tank, described cold tank comprises cold tank, the rock wool heat-preservation layer, cold tank galvanized iron cortex and cold tank supporting construction, cold tank is by cold tank tank deck, the cold tank of airtight cylindrical vault that forms at the bottom of cold tank tank cylindrical shell and the cold tank tank, the rock wool heat-preservation layer, cold tank galvanized iron cortex is successively set on the lateral wall of cold tank tank deck and cold tank tank cylindrical shell from the inside to the outside, cold tank supporting construction is arranged on the lateral wall of cold tank, described hot tank comprises hot tank, the aluminium silicate heat-insulation layer, hot tank galvanized iron cortex and hot tank supporting construction, hot tank is by hot tank tank deck, the hot tank of airtight cylindrical vault that forms at the bottom of hot tank tank cylindrical shell and the hot tank tank, the aluminium silicate heat-insulation layer, hot tank galvanized iron cortex is successively set on the lateral wall of hot tank tank deck and hot tank tank cylindrical shell from the inside to the outside, and hot tank supporting construction is arranged on the lateral wall of hot tank.
The beneficial effects of the utility model: the utility model is simple in structure, easy, the high insulating effect of manufacturing, Effective Raise the resistance to corrosion of storage tank to the decomposition of fused salt, cost of manufacture of the present utility model is low, be convenient to maintenance and installation, can be widely used in the heat reservoir of various tower photo-thermal power station.
Description of drawings
Figure 1A is cold tank integral structure scheme drawing, and Figure 1B is hot tank integral structure scheme drawing, and Fig. 2 is the part sectional view of cold tank, and Fig. 3 is the part sectional view of hot tank.
The specific embodiment
The specific embodiment one: in conjunction with Figure 1A, Figure 1B, Fig. 2 and Fig. 3 illustrate present embodiment, the described a kind of large-scale fused salt tank arrangement for tower photo-thermal power station of present embodiment comprises cold tank and hot tank, described cold tank comprises cold tank 1, rock wool heat-preservation layer 2, cold tank galvanized iron cortex 3 and cold tank supporting construction 4, cold tank 1 is by cold tank tank deck 1-1, the cold tank 1 of airtight cylindrical vault that 1-3 forms at the bottom of cold tank tank cylindrical shell 1-2 and the cold tank tank, rock wool heat-preservation layer 2, cold tank galvanized iron cortex 3 is successively set on the lateral wall of cold tank tank deck 1-1 and cold tank tank cylindrical shell 1-2 from the inside to the outside, cold tank supporting construction 4 is arranged on the lateral wall of cold tank 1, described hot tank comprises hot tank 5, aluminium silicate heat-insulation layer 6, hot tank galvanized iron cortex 7 and hot tank supporting construction 8, hot tank 5 is by hot tank tank deck 5-1, the hot tank 5 of airtight cylindrical vault that 5-3 forms at the bottom of hot tank tank cylindrical shell 5-2 and the hot tank tank, aluminium silicate heat-insulation layer 6, hot tank galvanized iron cortex 7 is successively set on the lateral wall of hot tank tank deck 5-1 and hot tank tank cylindrical shell 5-2 from the inside to the outside, and hot tank supporting construction 8 is arranged on the lateral wall of hot tank 5.
The specific embodiment two: present embodiment is described in conjunction with Figure 1A, Figure 1B, be furnished with cold tank wind-proof circle 9 on the lateral wall of the cold tank tank cylindrical shell 1-2 of the cold tank 1 of the described a kind of large-scale fused salt tank arrangement for tower photo-thermal power station heat reservoir of present embodiment, be furnished with hot tank wind-proof circle 10 on the lateral wall of the hot tank tank cylindrical shell 1-2 of hot tank 1.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: present embodiment is described in conjunction with Fig. 2 and Fig. 3, the cold tank can body 1-2 of the described a kind of large-scale fused salt tank arrangement for tower photo-thermal power station heat reservoir of present embodiment and the bottom between the cold tank galvanized iron cortex 3 are provided with cold tank waterproof packing course 11, and the bottom between hot tank can body 5-2 and the cold tank galvanized iron cortex 7 is provided with cold tank waterproof packing course 12.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment four: present embodiment is described in conjunction with Figure 1A, Figure 1B, Fig. 2 and Fig. 3, the cold tank supporting construction 4 of the described a kind of large-scale fused salt tank arrangement for tower photo-thermal power station of present embodiment is to be shaped as cylindric frame body, described 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, hot tank supporting construction 8 is to be shaped as cylindric frame body, described 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 and the specific embodiment one, two or three identical.
Principle of work
When tower photo-thermal power station is moved, fused salt in the cold tank is in pump for liquid salts is transported to heat sink on the high tower, heat absorption enters in the hot tank after heating up, high-temperature molten salt is from the hot tank steam generator of flowing through, the heating and cooling water generates steam, the driving steam turbine operation, temperature of molten salt flows back to cold tank after reducing, and the fused salt in cold tank and the hot tank guarantees molten condition all the time.

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: described a kind of large-scale fused salt tank arrangement for tower photo-thermal power station heat reservoir comprises cold tank and hot tank, described cold tank comprises cold tank (1), rock wool heat-preservation layer (2), cold tank galvanized iron cortex (3) and cold tank supporting construction (4), cold tank (1) is by cold tank tank deck (1-1), the cold tank of airtight cylindrical vault (1) that (1-3) forms at the bottom of cold tank tank cylindrical shell (1-2) and the cold tank tank, rock wool heat-preservation layer (2), cold tank galvanized iron cortex (3) is successively set on the lateral wall of cold tank tank deck (1-1) and cold tank tank cylindrical shell (1-2) from the inside to the outside, cold tank supporting construction (4) is arranged on the lateral wall of cold tank (1), described hot tank comprises hot tank (5), aluminium silicate heat-insulation layer (6), hot tank galvanized iron cortex (7) and hot tank supporting construction (8), hot tank (5) is by hot tank tank deck (5-1), the hot tank of airtight cylindrical vault (5) that (5-3) forms at the bottom of hot tank tank cylindrical shell (5-2) and the hot tank tank, aluminium silicate heat-insulation layer (6), hot tank galvanized iron cortex (7) is successively set on the lateral wall of hot tank tank deck (5-1) and hot tank tank cylindrical shell (5-2) from the inside to the outside, and hot tank supporting construction (8) is arranged on the lateral wall of hot tank (5).
2. described a kind of large-scale fused salt tank arrangement for tower photo-thermal power station heat reservoir according to claim 1, it is characterized in that: be furnished with cold tank wind-proof circle (9) on the lateral wall of the cold tank tank cylindrical shell (1-2) of cold tank (1), be furnished with hot tank wind-proof circle (10) on the lateral wall of the hot tank tank cylindrical shell (1-2) of hot tank (1).
3. described a kind of large-scale fused salt tank arrangement for tower photo-thermal power station heat reservoir according to claim 1, it is characterized in that: the bottom between cold tank can body (1-2) and the cold tank galvanized iron cortex (3) is provided with cold tank waterproof packing course (11), and the bottom between hot tank can body (5-2) and the cold tank galvanized iron cortex (7) is provided with cold tank waterproof packing course (12).
4. according to claim 1,2 or 3 described a kind of large-scale fused salt tank arrangement for tower photo-thermal power station heat reservoir, it is characterized in that: cold tank supporting construction (4) is to be shaped as cylindric frame body, described 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), hot tank supporting construction (8) is to be shaped as cylindric frame body, described 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).
CN2012203593927U 2012-07-24 2012-07-24 Large-scale fused salt storage tank device for tower-type photo-thermal power station heat storage system Expired - Lifetime CN202754320U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102745427A (en) * 2012-07-24 2012-10-24 哈尔滨汽轮机厂辅机工程有限公司 Large molten salt storage tank device used in heat storage system of tower type photo-thermal power station
CN103485990A (en) * 2013-09-29 2014-01-01 北京首航艾启威节能技术股份有限公司 Device and method for improving generating efficiency of fused salt tower type solar thermal power station
CN105649900A (en) * 2016-03-10 2016-06-08 北京首航艾启威节能技术股份有限公司 System for efficiently reducing auxiliary power of molten-salt tower type solar photo-thermal power generation station
RU185133U1 (en) * 2017-11-28 2018-11-22 Валерий Павлович Левицкий Surface reservoir for collecting and storing water from sediments and other sources

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102745427A (en) * 2012-07-24 2012-10-24 哈尔滨汽轮机厂辅机工程有限公司 Large molten salt storage tank device used in heat storage system of tower type photo-thermal power station
CN103485990A (en) * 2013-09-29 2014-01-01 北京首航艾启威节能技术股份有限公司 Device and method for improving generating efficiency of fused salt tower type solar thermal power station
CN105649900A (en) * 2016-03-10 2016-06-08 北京首航艾启威节能技术股份有限公司 System for efficiently reducing auxiliary power of molten-salt tower type solar photo-thermal power generation station
RU185133U1 (en) * 2017-11-28 2018-11-22 Валерий Павлович Левицкий Surface reservoir for collecting and storing water from sediments and other sources

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Granted publication date: 20130227

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