CN206131834U - Improve volumetric fused salt energy memory of effective heat accumulation - Google Patents
Improve volumetric fused salt energy memory of effective heat accumulation Download PDFInfo
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- CN206131834U CN206131834U CN201520881818.9U CN201520881818U CN206131834U CN 206131834 U CN206131834 U CN 206131834U CN 201520881818 U CN201520881818 U CN 201520881818U CN 206131834 U CN206131834 U CN 206131834U
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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 provides an improve volumetric fused salt energy memory of effective heat accumulation, by the storage saltcellar 1 that 4 welding of top cap 2, casing 3 and bottom plate formed, the fused salt pump 5, 6, electric heater 7 in the agitator, thermal storage brick 8, the pan feeding mouth 9, go into salt mouth 10, manhole 11, the evacuation mouth 12, and the sight glass hole 13, and thermocouple 14 is arranged salt mouth 15 and is constituteed with heat preservation 16, it is equipped with thermal storage brick 8 to store up 1 inside bottom of saltcellar, 3 bottoms of casing of storing up saltcellar 1 are equipped with row salt mouth 15 and electric heater 7, be equipped with fused salt pump 5 on storing up the top cap 2 of saltcellar 1, agitator 6, manhole 11, the sight glass hole 13, and the evacuation mouth 12, and the pan feeding mouth 9, go into salt mouth 10 and thermocouple 14, the top cap 2 that stores up saltcellar 1 is equipped with heat preservation 16 with 3 outsides of casing. The utility model discloses can reach that the solid makes up with liquid heat storage medium mutually, good, the effective heat accumulation volume of heat accumulation performance is big, simple structure, low cost's beneficial effect.
Description
Technical field
The utility model belongs to technical field of energy storage, more particularly to a kind of molten salt energy-storage dress for improving effective accumulation of heat volume
Put.
Background technology
Fused salt tank is a kind of energy storage device, and it is one of capital equipment of fused salt hold over system.At present, fused salt hold over system
Main employing in double can system, i.e. hold over systems is provided with high temperature melting salt cellar and low-temperature molten salt tank.In heat-accumulating process, low-temperature molten salt
The fused salt of tank is transported to heating in heat source side heat transmission equipment and becomes high-temperature molten salt, and subsequent high-temperature molten salt is stored in high temperature melting salt cellar
In, during needs heat, high-temperature molten salt is exported and entered from high temperature storage salt cellar carries out heat exchange with hot junction heat transmission equipment, release heat
Become after amount low-temperature molten salt return to low temperature storage salt cellar in continue next time circulation.
With the continuous ripe and development of fused salt heat storage technology, scale of the fused salt hold over system on engineer applied is increasingly
Greatly, correspondingly also require that the jumbo fused salt tank of configuration to maintain the operation of system.Fused salt solidification in order to prevent fused salt tank, leads to
Often accumulation of heat fused salt is directly heated in fused salt pot bottom arranges electrical immersion heater to tank, makes temperature of molten salt be not less than it
Freezing point temperature, it is therefore desirable to the reserved certain depth of fused salt pot bottom fused salt by the metal parts submergence of electric heater.Example
Such as, in double tank fused salt hold over systems of the solar energy thermal-power-generating experimental power station Solar Two of California, USA, each
Fused salt tank has about 1 meter of deep fused salt extended residual in tank bottom, and the effective accumulation of heat volume for causing fused salt tank only has tank volume
85%.The fused salt for being reserved in fused salt pot bottom cannot be used for regenerative heat exchange, belong to invalid fused salt, and the volume of fused salt tank is bigger,
Invalid fused salt amount is also bigger, and this reduces the heat storage performance for causing fused salt hold over system, and cost of investment increases.
Find through the retrieval to prior art, Chinese patent literature CN20298422U, day for announcing 2013-05-08,
There is provided a kind of fused salt heat-storing device, the bottom and the bottom of secondary fused salt tank that it is characterized in that main molten salt cellar is connected by connecting pipe
Logical, pump for liquid salts is arranged on the discharge outlet of secondary fused salt tank, and by main molten salt cellar and secondary fused salt tank fused salt, main molten salt cellar are stored jointly
Main Function be storage, the Main Function of secondary fused salt tank is conveying；Chinese patent literature CN203561259U, the day for announcing
A kind of 2014-04-23, there is provided economizing type fused salt tank, is characterized in that electric heater is arranged on cylindrical tank inner bottom part, fused salt
Pump suction pipe is arranged in cylindrical tank body, and the bottom of cylindrical tank is provided with conical tank bottom, conical tank bottom and cylinder
The junction of tank body is located at the lower section of electric heater, is hollow structure between fused salt tank base and conical tank bottom；Chinese patent
Document number CN203572066U, day for announcing 2014-04-30, there is provided a kind of fused salt storage container of high availability, its feature
It is to be provided with fused salt in two storage tanks, each tank top is provided with submerged pump, and between two submerged pumps molten salt heater is provided with, storage
The bottom of tank is ladder bottom, and the impeller of submerged pump is placed in ladder bottom lowest point.
Or however, above-mentioned prior art occupation area of equipment is larger, cost of investment is higher, or manufacturing process is complicated,
Improvement advantage is not obvious, thus limits the popularization and application of appropriate technical solution.
Utility model content
The utility model provides a kind of molten salt energy-storage device for improving effective accumulation of heat volume, can reach solid and liquid heat storage
Medium is combined, heat storage performance is good, effective accumulation of heat volume big, simple structure, beneficial effect with low cost.
The technical problem that the utility model is solved employs the following technical solutions to realize：The utility model provides one kind and carries
The molten salt energy-storage device of high effectively accumulation of heat volume, the molten salt energy-storage device of the effective accumulation of heat volume of a kind of raising, by top cover 2, housing 3
The storage salt cellar 1 being welded with base plate 4, pump for liquid salts 5, agitator 6, electric heater 7, gitter brick 8, feeding mouth 9 enters salt mouth 10,
Manhole 11, evacuation port 12, visor hole 13, thermocouple 14, salt outlet 15 and heat-insulation layer 16 are constituted.The storage inner bottom of salt cellar 1
Gitter brick 8 is provided with, the bottom of housing 3 of the storage salt cellar 1 is provided with salt outlet 15 and electric heater 7, the top cover 2 of the storage salt cellar 1
Pump for liquid salts 5 is provided with, agitator 6, manhole 11, visor hole 13, evacuation port 12, feeding mouth 9 enters salt mouth 10 and thermocouple 14, institute
The top cover 2 and the outside of housing 3 for stating storage salt cellar 1 is provided with heat-insulation layer 16.
Particularly, the pump for liquid salts 5 and agitator 6 are arranged on the top cover 2 of storage salt cellar.
Particularly, the gitter brick 8 belongs to solid heat storage medium, by china clay material such as magnesia (MgO), oxidation bauxite
(Al2O3), silica (SiO2) or its combination manufacture form；The fused salt is the molten of two or more inorganic salt mixt
Melt state liquid.
Particularly, the pump for liquid salts 5 is vertical submerged pump, the setting height(from bottom) of the setting height(from bottom) of its suction inlet in electric heater
On.
Particularly, the agitator 6 is propeller agitator, on the central shaft of storage salt cellar.
Particularly, the heat-insulation layer 16 is arranged on the top cover 2 of storage salt cellar 1 and the outer surface of housing 3, by alumina silicate fibre
Felt, asbestos-free calcium silicate or aerogel blanket are made.
Particularly, the gitter brick 8 is arranged in the surrounding of electric heater 7, has 10 between electric heater 7 and gitter brick 8
The gap of～20mm；The electric heater 7 is electrical immersion heater.
The beneficial effects of the utility model are：
The utility model instead of for submergence using the higher and cheap gitter brick of good heat conductivity, specific heat capacity
The most of invalid fused salt of electric heater, can not only meet accumulation of heat demand, can also improve effective accumulation of heat volume, and reduction is invested into
This, with good engineering application value, is adapted to large-scale promotion application.
Description of the drawings
Fig. 1 is front view of the present utility model；
Fig. 2 is right view of the present utility model；
Fig. 3 is top view of the present utility model；
Fig. 4 is sectional view of the present utility model.
Specific embodiment
The utility model is described further below in conjunction with accompanying drawing：
1- storages salt cellar, 2- top covers, 3- housings, 4- base plates, 5- pump for liquid salts, 6- agitators, 7- electric heaters, 8- accumulation of heats in figure
Brick, 9- feeding mouths, 10- enters salt mouth, 11- manholes, 12- evacuation ports, 13- visors hole, 14- thermocouples, 15- salt outlets, 16- insulations
Layer.
Embodiment：
The storage salt cellar 1 that the utility model is welded by top cover 2, housing 3 and base plate 4, pump for liquid salts 5, agitator 6, electricity adds
Hot device 7, gitter brick 8, feeding mouth 9 enters salt mouth 10, manhole 11, evacuation port 12, visor hole 13, thermocouple 14, salt outlet 15 and guarantor
Warm layer 16 is constituted；The storage inner bottom of salt cellar 1 is provided with gitter brick 8, and the bottom of housing 3 of the storage salt cellar 1 is provided with salt outlet 15
With electric heater 7, the top cover 2 of the storage salt cellar 1 is provided with pump for liquid salts 5, agitator 6, manhole 11, visor hole 13, evacuation port 12,
Feeding mouth 9, enters salt mouth 10 and thermocouple 14, and the top cover 2 of the storage salt cellar 1 and the outside of housing 3 are provided with heat-insulation layer 16.
The pump for liquid salts 5 and agitator 6 are arranged on the top cover 2 of storage salt cellar.
The gitter brick 8 belongs to solid heat storage medium, by china clay material such as magnesia (MgO), oxidation bauxite (Al2O3)、
Silica (SiO2) or its combination manufacture form；The fused salt is the molten state liquid of two or more inorganic salt mixt
Body.
The pump for liquid salts 5 is vertical submerged pump, and the setting height(from bottom) of its suction inlet is on the setting height(from bottom) of electric heater.
The agitator 6 is propeller agitator, on the central shaft of storage salt cellar.
The heat-insulation layer 16 is arranged on the top cover of storage salt cellar 1 and the outer surface of housing 3, by alumina silicate fiber felt, without asbestos
Calcium silicates or aerogel blanket are made.
The gitter brick 8 is arranged in the surrounding of electric heater 7, there is 10～20mm's between electric heater 7 and gitter brick 8
Gap；The electric heater 7 is electrical immersion heater.
Embodiment 1：
As shown in figure 1, the present embodiment includes：Including storage salt cellar, pump for liquid salts, agitator, electric heater, gitter brick and insulation
Layer, the storage salt cellar is made up of top cover, housing and base plate, and the top cover for storing up salt cellar is provided with feeding mouth, enters salt mouth, manhole, row
Eat dishes without rice or wine, visor hole, thermocouple, pump for liquid salts and agitator, the housing bottom for storing up salt cellar is provided with salt outlet, and the inner bottom part for storing up salt cellar sets
It is equipped with electric heater and gitter brick.
The pump for liquid salts is vertical submerged pump, and the setting height(from bottom) of its suction inlet is on the setting height(from bottom) of electric heater；Stir
It is propeller agitator to mix device, and it is on the central shaft of storage salt cellar；Electric heater is electrical immersion heater；Heat-insulation layer is silicon
Sour aluminum fiber mat, asbestos-free calcium silicate or aerogel blanket, it is arranged on the outer surface of the top cover of storage salt cellar and housing.
The gitter brick is a kind of solid heat storage material, that is, china clay material such as magnesia (MgO), oxidation bauxite
(Al2O3), silica (SiO2) or its combination.
The gitter brick is arranged in the surrounding of electric heater, exists between 10～20mm between electric heater and gitter brick
The just beneath of gap, pump for liquid salts and agitator is not provided with gitter brick, to ensure the stable operation of pump for liquid salts and agitator.
In the present embodiment, the solid-liquid heat storage medium combined type energy storage device is used as solar energy thermal-power-generating station Molten Salt Heat Transfer
The low-temperature molten salt tank of hold over system or fused salt heat accumulating type electric heating system.Temperature of molten salt in order to ensure low-temperature molten salt tank
Its freezing point temperature is not less than, needs to heat fused salt using electric heater, to prevent fused salt from solidifying.First turn on electricity to add
Hot device, electric heater converts electrical energy into heat energy and passes to fused salt and gitter brick, makes the temperature in fused salt tank be maintained at setting
It is more than value.In heating process, make the temperature of molten salt of different spatial in storage salt cellar uniform by the stirring action of agitator
Distribution, reaches the effect for eliminating thermograde in tank.
Embodiment 2：
Identical with the feature of embodiment 1, the solid-liquid heat storage medium combined type energy storage device adds as fused salt regenerative electrochemical
The high temperature melting salt cellar of hot heating system.In the power system low power consumption period, opening electric heater is carried out to fused salt and gitter brick
Heating, low-temperature molten salt becomes high-temperature molten salt after heating up, and then high-temperature molten salt is delivered to and is heated with hot junction heat transmission equipment by pump for liquid salts
Circulating water heating user heating.
It has been described in detail to of the present utility model above by embodiment, but the content is only of the present utility model
Preferred embodiment, it is impossible to be considered as limiting practical range of the present utility model.It is all using technology described in the utility model
Scheme, or those skilled in the art is under the inspiration of technical solutions of the utility model, designs similar technical scheme and reaches
To above-mentioned technique effect, or the impartial change that application range is made and improvement etc., all should still belong to the utility model
Patent cover within protection domain.
Claims (7)
1. a kind of molten salt energy-storage device for improving effective accumulation of heat volume, it is characterised in that：It is welded by top cover, housing and base plate
Storage salt cellar, pump for liquid salts, agitator, electric heater, gitter brick, feeding mouth enters salt mouth, manhole, evacuation port, visor hole, thermoelectricity
Occasionally, salt outlet and heat-insulation layer are constituted；The storage salt cellar inner bottom is provided with gitter brick, and the bottom of the storage salt tank shell is provided with row
Salt mouth and electric heater, the storage salt top ends of cans is provided with pump for liquid salts, and agitator, manhole, visor hole, evacuation port, feeding mouth enters
Salt mouth and thermocouple, the storage salt top ends of cans and hull outside are provided with heat-insulation layer.
2. a kind of molten salt energy-storage device for improving effective accumulation of heat volume according to claim 1, it is characterised in that：It is described molten
Salt pump and agitator are arranged on the top cover of storage salt cellar.
3. a kind of molten salt energy-storage device for improving effective accumulation of heat volume according to claim 1, it is characterised in that：The storage
Hot brick belongs to solid heat storage medium.
4. a kind of molten salt energy-storage device for improving effective accumulation of heat volume according to claim 1, it is characterised in that：It is described molten
Salt pump is vertical submerged pump, and the setting height(from bottom) of its suction inlet is on the setting height(from bottom) of electric heater.
5. a kind of molten salt energy-storage device for improving effective accumulation of heat volume according to claim 1, it is characterised in that：It is described to stir
It is propeller agitator to mix device, on the central shaft of storage salt cellar.
6. a kind of molten salt energy-storage device for improving effective accumulation of heat volume according to claim 1, it is characterised in that：The guarantor
Warm layer is arranged on the top cover of storage salt cellar and the outer surface of housing, by alumina silicate fiber felt, asbestos-free calcium silicate or aeroge felt
Into.
7. a kind of molten salt energy-storage device for improving effective accumulation of heat volume according to claim 1, it is characterised in that：The storage
Hot brick is arranged in the surrounding of electric heater, the gap that there is 10～20mm between electric heater and gitter brick；The electric heater
For electrical immersion heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520881818.9U CN206131834U (en) | 2015-11-03 | 2015-11-03 | Improve volumetric fused salt energy memory of effective heat accumulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520881818.9U CN206131834U (en) | 2015-11-03 | 2015-11-03 | Improve volumetric fused salt energy memory of effective heat accumulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206131834U true CN206131834U (en) | 2017-04-26 |
Family
ID=58559576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520881818.9U Active CN206131834U (en) | 2015-11-03 | 2015-11-03 | Improve volumetric fused salt energy memory of effective heat accumulation |
Country Status (1)
| Country | Link |
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| CN (1) | CN206131834U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080808A1 (en) * | 2017-10-25 | 2019-05-02 | 深圳市爱能森科技有限公司 | Integrated system for energy storage and heat exchange |
| CN112256065A (en) * | 2020-09-17 | 2021-01-22 | 衢州市特种设备检验中心 | Novel high-temperature molten salt flow control and measurement device |
-
2015
- 2015-11-03 CN CN201520881818.9U patent/CN206131834U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080808A1 (en) * | 2017-10-25 | 2019-05-02 | 深圳市爱能森科技有限公司 | Integrated system for energy storage and heat exchange |
| CN112256065A (en) * | 2020-09-17 | 2021-01-22 | 衢州市特种设备检验中心 | Novel high-temperature molten salt flow control and measurement device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201015 Address after: 19-1-503, Ruihang Plaza, northeast of the intersection of Central Avenue and Donger Road, Tianjin pilot free trade zone (Airport Economic Zone), Dongli District, Tianjin Patentee after: Tianjin times Technology Co., Ltd Address before: 300000 Tianjin Binhai New Area of Tianjin free trade zone (Airport Economic Zone) and Plaza No. 168 West Road 5-2-804 Patentee before: BAIJIRUI (TIANJIN) NEW ENERGY Co.,Ltd. |