CN207379343U - High-temperature molten salt energy storage pool - Google Patents
High-temperature molten salt energy storage pool Download PDFInfo
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- CN207379343U CN207379343U CN201721492693.6U CN201721492693U CN207379343U CN 207379343 U CN207379343 U CN 207379343U CN 201721492693 U CN201721492693 U CN 201721492693U CN 207379343 U CN207379343 U CN 207379343U
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- energy storage
- molten salt
- storage pool
- castable
- temperature molten
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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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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Abstract
The utility model is related to high-temperature molten salt energy storage pools, the energy storage pool can be stored and kept the temperature to high-temperature molten salt, it is refractory brick, castable, concrete and compacting soil successively from inside to outside, refractory fibre is filled between refractory brick and castable, ventilation duct is disposed in castable inner homogeneous, the outer surface of castable has poured concrete, and the outer surface of concrete installs compacting soil additional.The energy storage pool can apply to the storage of fused salt in energy-storage system, the problem of solving the problems, such as steel storage tank price height and the more difficult judge of structure thermal stress, cause service life undesirable.
Description
Technical field
The utility model is related to molten salt energy-storage technical fields, and in particular to a kind of high-temperature molten salt energy storage pool.
Background technology
Fused salt all has one as excellent heat transfer energy-accumulating medium in building heating, paddy electricity heating, wind electricity digestion etc.
Fixed application prospect.Since it has higher temperature in use, high thermal stability, high specific heat capacity, high convective heat-transfer coefficient, low viscous
The advantage of degree, low saturated vapor pressure, low price etc. " four high three is low ", becomes in current photo-thermal power generation field and energy storage field and approves
Spend one of highest biography heat-storage medium.
Either photo-thermal power generation field or energy storage field use carbon steel or stainless steel for containing the tank body of fused salt,
Fused salt storage tank is very big at present, and diameter reaches 40 meters or so, 15 meters or so of height, and so big tank body is usually all one to enclose
Welding, this welded structure there are the problem of be exactly：Once temperature distribution is non-uniform for the high-temperature molten salt of the inside, it is easy to
Problem occurs for weld, and fused salt is caused to reveal, brings massive losses；So big tank body needs substantial amounts of steel simultaneously, makes storage
The higher price of tank.
Chinese patent 201320098171.3 discloses a kind of fused salt tank, which can store substantial amounts of thermal energy, together
When can effectively prevent fused salt solidification and moisture in air intrusion.But the tank body of the fused salt tank is stainless steel material, price is held high
It is expensive, while temperature of molten salt is up to 500~600 DEG C, is unevenly distributed pot temperature, it is easy to since structure thermal stress problem causes
Tank body destroys, if fused salt is leaked in spurting, can also be related to personal safety.
At present, in photo-thermal power generation and molten salt energy-storage field, either list tank energy-storage system or double tank energy-storage systems, fused salt
Tank is carbon steel or stainless steel, but since temperature of molten salt is excessively high, temperature distributing disproportionation in tank, it is easy to tank body be caused to break
Bad, fused salt leakage causes whole system that can not run, therefore there is an urgent need for finding a substitution, to solve the above problems.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of high-temperature molten salt energy storage pool, is applied to
The storage of fused salt in energy-storage system solves the problems, such as steel storage tank price height and the more difficult judge of structure thermal stress, causes to use the longevity
The problem of life is undesirable.
The technical solution adopted in the utility model is：A kind of high-temperature molten salt energy storage pool, it is characterised in that the energy storage pool can be right
High-temperature molten salt is stored and kept the temperature, and is refractory brick, castable, concrete and compacting soil successively from inside to outside, in refractory brick and
Refractory fibre is filled between castable, is disposed with ventilation duct in castable inner homogeneous, the outer surface of castable has poured coagulation
Soil, the outer surface of concrete install compacting soil additional.
Compared with prior art, the beneficial effects of the utility model are：
The utility model using refractory brick, castable, concrete and compacting local soil type into accumulation of energy pool structure can substitute it is existing
Stainless steel or carbon steel tank body, can significantly reduce the price of tank body, while overcome existing stainless steel or carbon steel tank body due to welding
Thermal stress issues present in high-temperature storage are connected to, effectively prevent the deficiency easily leaked at welding point.
The utility model energy storage pool can guarantee that the temperature of high-temperature molten salt maintains 550 DEG C or so, enable high-temperature molten salt more square
Just it is used to generate electricity or for heating.
Description of the drawings
Fig. 1 is the structure diagram of the utility model high-temperature molten salt energy storage pool.
In figure, 1 lining, 2 refractory brick, 3 castables, 4 ventilation ducts, 5 concrete, 6 compacting soil.
Specific embodiment
The utility model is explained further with reference to embodiment and attached drawing, but is not wanted in this, as to the application right
Ask the restriction of protection domain.
The utility model high-temperature molten salt energy storage pool (abbreviation energy storage pool, referring to Fig. 1) can be stored and protected to high-temperature molten salt
Temperature is refractory brick 2, castable 3, concrete 5 and compacting soil 6 successively from inside to outside, is filled between refractory brick 2 and castable 3
Refractory fibre is disposed with ventilation duct 4 in castable inner homogeneous, and the outer surface of castable has poured concrete 5, concrete 5
Outer surface installs compacting soil 6 additional.
The utility model is further characterized by that the inner surface of refractory brick is provided with lining, and the lining is stainless
Steel, carbon steel or other materials choose whether to need lining according to the corrosivity of different fused salts；If the fused salt of storage is corrosion-free
Property, then lining can not be used, if corrosivity is relatively low, carbon steel liner can be used, if corrosivity is higher, needs stainless steel lining
In, stainless steel lining mentioned herein, carbon steel liner with stainless steel, carbon steel tank body compared with, stainless steel, carbon steel materials will
It is few very much.
The utility model is further characterized by the refractory brick and attaches most importance to refractory brick or light fire brick, on the one hand
Play the role of structural strength, also there is certain heat insulation；The light-weight insulation of light fire brick is good, but intensity not high abrasion
Property is poor, it is impossible to contact thermal-flame；Heavy refractory brick weight weight, insulation energy force difference, but intensity high-wearing feature is big, resistance to height
Temperature.When building high-temperature service by laying bricks or stones, actual conditions can be combined according to demand, by light fire brick and heavy refractory brick according to design
Scheme is used in combination with, it will reach good effect, it can lifting means service life and service efficiency.
The refractory fibre is fibrofelt, solves the problems, such as castable out-of-flatness, adds while difficulty of construction is reduced
Strong structure stability；
The ventilation duct is steel pipe, and uniformly distributed temperature can prevent that local temperature is excessively high, and ventilation shaft can take away part heat
Amount, prevents heat from continuing to external diffusion.
The concrete plays the role of strengthening the structural strength of entire heat storage pool.
The utility model energy storage pool substitutes existing tank body when in use：The energy storage pool is accessed into single tank energy-storage system or double
Tank energy-storage system becomes high-temp liquid fused salt after the heating of solid-state fused salt, injects energy storage pool, and energy storage pool plays storage, the work of heat preservation
With.
Embodiment 1
The present embodiment high-temperature molten salt energy storage pool be successively from inside to outside refractory brick 2, castable 3, concrete 5 and compacting soil 6,
Refractory fibre is filled between refractory brick 2 and castable 3, ventilation duct, the appearance of castable are disposed in castable inner homogeneous
Face has poured concrete 5, and the outer surface of concrete 5 installs compacting soil 6 additional.Lining 1 is equipped in refractory brick inner surface.Refractory fibre 3
Fibrofelt is selected, lining is made of stainless steel, and refractory brick is light fire brick.The thickness for the fire brick layer that refractory brick is built into is to pour
Twice of material feeding layer thickness, the thickness for the concrete layer that concrete is built into are the 1/2 of fire brick layer thickness, the rammer that compacting soil is built into
Real the thickness of the layer is three times of fire brick layer thickness.
The energy storage pool of the present embodiment is applied in photo-thermal power generation field, solar thermal collector reflected sunlight first is by fused salt
550 DEG C are heated to from 220 DEG C, high-temperature molten salt enters high temperature energy storage pool by pump for liquid salts, and it is lining to be contacted directly with high-temperature molten salt
In 1, the etching problem that high-temperature molten salt is brought can be solved；1 outer layer of lining is refractory brick 2, can play the role of structural strength,
Play heat insulation simultaneously；2 outer layer of refractory brick is refractory fibre 3, can solve the problems, such as " castable " layer out-of-flatness, is reduced
Reinforcement structure stability while difficulty of construction；3 outer layer of refractory fibre is castable 4, and ventilation duct 5 is provided between castable 4,
Ventilation duct 5 is steel pipe, and uniformly distributed temperature can prevent that local temperature is excessively high, and ventilation shaft can take away partial heat, prevent heat after
Continue to external diffusion；4 outer layer of castable is concrete 6, plays the role of the structural strength of entire heat storage pool；6 outer layer of concrete is
Compacting soil 7.The size of entire energy storage pool is determined by fused salt reserves.High-temperature molten salt is stored in energy storage pool, it can be achieved that whole day 24 is small
Shi Liyong.
Embodiment 2
The structure of the present embodiment high-temperature molten salt energy storage pool is with embodiment 1, and lining is made of carbon steel, and refractory brick is heavy fire resisting
Brick.
The energy storage pool is applied in fused salt accumulation of heat heating field, fused salt is heated to 400 DEG C using night paddy electricity, high-temperature molten salt
Enter high temperature energy storage pool by pump for liquid salts, it is lining 1 to be contacted directly with high-temperature molten salt, can solve the corruption that high-temperature molten salt is brought
Erosion problem；The size of entire energy storage pool is determined by fused salt reserves.High-temperature molten salt is stored in energy storage pool, it can be achieved that when whole day 24 is small
It utilizes.Night utilizes low price low ebb electrical heating fused salt, and peak period closes electric heater, is exchanged heat using high-temperature molten salt and water, heat
Water is then supplied to resident to heat and uses.
The utility model does not address part and is suitable for the prior art.
Claims (4)
1. a kind of high-temperature molten salt energy storage pool, it is characterised in that the energy storage pool can be stored and kept the temperature to high-temperature molten salt, by it is inner to
Outer is refractory brick, castable, concrete and compacting soil successively, and refractory fibre is filled between refractory brick and castable, is being poured into a mould
Material inner homogeneous is disposed with ventilation duct, and the outer surface of castable has poured concrete, and the outer surface of concrete installs compacting soil additional.
2. high-temperature molten salt energy storage pool according to claim 1, it is characterised in that the inner surface of refractory brick is provided with lining,
The lining is stainless steel or carbon steel.
3. high-temperature molten salt energy storage pool according to claim 1, it is characterised in that the refractory brick is attached most importance to refractory brick or light
Refractory brick；The refractory fibre is fibrofelt.
4. high-temperature molten salt energy storage pool according to claim 1, it is characterised in that the ventilation duct is steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721492693.6U CN207379343U (en) | 2017-11-10 | 2017-11-10 | High-temperature molten salt energy storage pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721492693.6U CN207379343U (en) | 2017-11-10 | 2017-11-10 | High-temperature molten salt energy storage pool |
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| Publication Number | Publication Date |
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| CN207379343U true CN207379343U (en) | 2018-05-18 |
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| CN201721492693.6U Active CN207379343U (en) | 2017-11-10 | 2017-11-10 | High-temperature molten salt energy storage pool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726906A (en) * | 2017-11-10 | 2018-02-23 | 百吉瑞（天津）新能源有限公司 | High-temperature molten salt energy storage pool |
-
2017
- 2017-11-10 CN CN201721492693.6U patent/CN207379343U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726906A (en) * | 2017-11-10 | 2018-02-23 | 百吉瑞（天津）新能源有限公司 | High-temperature molten salt energy storage pool |
| CN107726906B (en) * | 2017-11-10 | 2024-05-28 | 百吉瑞（天津）新能源有限公司 | High-temperature molten salt energy storage pool |
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