CN207649148U - Heat reservoir based on heat transfer anisotropy heat accumulating - Google Patents
Heat reservoir based on heat transfer anisotropy heat accumulating Download PDFInfo
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- CN207649148U CN207649148U CN201721258692.5U CN201721258692U CN207649148U CN 207649148 U CN207649148 U CN 207649148U CN 201721258692 U CN201721258692 U CN 201721258692U CN 207649148 U CN207649148 U CN 207649148U
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- accumulating
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- 238000012546 transfer Methods 0.000 title claims abstract description 32
- 238000005338 heat storage Methods 0.000 claims abstract description 75
- 238000009825 accumulation Methods 0.000 claims abstract description 20
- 230000008676 import Effects 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims 3
- 238000005266 casting Methods 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
Classifications
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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
-
- 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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a kind of heat reservoirs based on heat transfer anisotropy heat accumulating, including heat storage can and heat storage units, heat storage units to be deposited in heat storage can, imports and exports in upper and lower ends；Each heat storage units include low heat conducting module and several high heat conduction low-dimensional modules for being arranged inside low heat conducting module, the thermal coefficient of high heat conduction low-dimensional module is 3 times or more of low heat conducting module thermal coefficient, and the plane of each high thermal conductivity coefficient low-dimensional module is substantially parallel with the long axis of heat storage units；The arrangement of heat storage units is using staggeredly tightly packed in heat storage can, and the long axis of heat storage units is all in the horizontal direction, and short axle is all in vertical direction.The molding of the utility model heat storage units and its accumulation mode so that entire heat reservoir internal heat transfer has significant anisotropy, and the exothermal efficiency of heat reservoir can be improved, have wide practical use in heat reservoir.
Description
Technical field
It is the utility model is related to energy storage research on utilization field, more particularly to a kind of based on the anisotropy heat accumulating that conducts heat
Heat reservoir.
Background technology
The utilization of solar energy, wind energy, industrial exhaust heat etc. have become the important component of today's society energy strategy.
Scale regenerative resource is the development priority of following China's energy, but due to its intermittent and unstability, still cannot at present
Meet the requirement continuously energized on a large scale, it is therefore necessary to high effective heat-storage material and system are developed, to efficiently solve renewable energy
The stable operation problem of source system.
Solar energy have the characteristics that energy-flux density is low, intermittent round the clock, daytime irradiation intensity it is unstable, therefore solar heat
It must realize that stable energy supply, the system generally include thermal-arrest, heat absorption, steam generation by heat-storage technology using system
With the subsystems such as energy storage, and the improvement of energy-storage system with to improve be then emphasis that the current field is inquired into.
The double tank heat storage types of fuse salt have become the principal mode of heat storage technology in solar heat power generation system at present, still
Double can system manufactures and maintenance cost are higher；Another more potential mode is exactly to use mesolimnion list tank accumulation of heat, cost
It is relatively low.The filling porous regenerator material such as quartz is added in researcher in single tank hold over system, to form mesolimnion accumulation of heat
Structure, and keep thermoclinic and be stabilized.Ideal mesolimnion heat reservoir needs to reduce vertical direction thermal coefficient to subtract
Few thermocline thickness and raising exothermal efficiency, while having preferable horizontal direction thermal coefficient to ensure heat accumulation solid and fused salt
Between heat transfer, and existing mesolimnion heat reservoir is all made of isotropic heat accumulating, it is difficult to meet the requirements.
Therefore, in order to improve the efficiency of energy utilization of various intermittent energies and reduce its cost, a kind of efficient, structure letter
Single, manufacturing cost is with a wide range of applications with the operation regulation and control lower heat reservoir of maintenance cost.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts and deficiency provide a kind of based on heat transfer anisotropy
The heat reservoir of heat accumulating, the system are greatly improved exothermal efficiency, and simple in structure, at low cost.
The purpose of this utility model is realized by the following technical solution：Heat accumulation based on heat transfer anisotropy heat accumulating
System, including heat storage can and heat storage units, heat storage units are deposited in heat storage can, are imported and exported in upper and lower ends；Each heat accumulation
Unit includes low heat conducting module and several high heat conduction low-dimensional modules for being arranged inside low heat conducting module, the high heat conduction low-dimensional
Module material thermal coefficient is 3 times or more of low heat conducting module material thermal conductivity, and the plane of each high heat conduction low-dimensional module is equal
It is substantially parallel with the long axis of heat storage units；The arrangement of heat storage units is tightly packed using what is interlocked in heat storage can, and heat storage units
Long axis all in the horizontal direction, and short axle is all in vertical direction.
High and low in high heat conduction low-dimensional module, low heat conducting module is a relative concept in the utility model, passes through setting
The two modules so that each heat storage units have heat transfer anisotropy, and in addition the heat storage units of adjacent layer are staggeredly accumulated, and are made
Obtaining entire heat reservoir internal heat transfer, all there is significant anisotropy, vertical direction low thermal conductivity mesolimnion can be thinned,
The heat exchange of heat storage units and the heat-storage medium that conducts heat can be improved in horizontal direction high thermal conductivity coefficient.To improve the heat release of heat reservoir
Efficiency has wide practical use in heat reservoir.
Preferably, the high heat conduction low-dimensional module uses reticular structure either club shaped structure or laminate structure.
Preferably, the high heat conduction low-dimensional module is made of any one material in metal, silicon carbide, graphene.
Preferably, the low heat conducting module is using any one material in ceramic material, cement.
Preferably, the high heat conduction low-dimensional module and low heat conducting module are by the methods of being sintered or pouring combination one
It rises.
Preferably, the shape of the heat storage units is anisotropic structure, such as ellipsoid.
Preferably, the heat transfer heat-storage medium that the heat reservoir uses is in fuse salt, conduction oil, liquid metal, water
Any one.There can be good compatibility with heat storage units.
Preferably, it is imported and exported out in the heat storage can and is respectively equipped with current divider, the current divider includes several diffluence pass,
Diffluence pass is corresponding with the aligned gaps of heat storage units staggeredly accumulated in heat storage can.
The utility model compared with prior art, has the following advantages that and advantageous effect：
(1) heat reservoir exothermal efficiency is high.Due to heat transfer anisotropy heat storage units and its special accumulation mode, vertically
Mesolimnion can be thinned in direction low thermal conductivity, and horizontal direction high thermal conductivity coefficient improves the heat of heat storage units and the heat-storage medium that conducts heat
It exchanges, to improve the exothermal efficiency of heat reservoir.
(2) operating temperature range is wide.Suitable high and low Heat Conduction Material is selected according to the operating temperature of practical application.
(3) simple and compact for structure easy to process.Using simple structures such as low-dimensionals, it is easy to molding, accumulation.
(4) system cost is low.The dosage of heat transfer heat-storage medium can be reduced using single can system of highly exothermic efficiency, reduced
Cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present embodiment heat reservoir.
Fig. 2 is the present embodiment heat storage units structural schematic diagram.
Fig. 3 is the structural schematic diagram of high heat conduction low-dimensional module in the present embodiment.
Specific implementation mode
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；It is attached in order to more preferably illustrate the present embodiment
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.It is new to this practicality with reference to embodiment and attached drawing
Type is described in further detail, and however, the embodiments of the present invention are not limited thereto.
Embodiment 1
Heat reservoir concrete structure of the present embodiment based on heat transfer anisotropy heat accumulating is as shown in Figure 1, include heat accumulation
Tank, the heat storage units of anisotropy accumulation, heat transfer heat-storage medium and inlet and outlet etc..Heat storage can mainly uses single jar structure, ruler
It is very little to depend on regenerative capacity and the heat transfer hot physical property of heat-storage medium.Top of the tank and bottom are equipped with inlet and outlet 1 and 6, in inlet and outlet and
Current divider 2 and 5 is assembled between the heat storage units of anisotropy accumulation, to ensure that heat transfer heat-storage medium flowing is uniform, is conducive to heat accumulation
And heat release.The heat transfer anisotropy heat storage units 3 of elliposoidal carry out anisotropy accumulation, long axis side according to mode shown in Fig. 1
To horizontal direction is basically parallel to, short axle is all in vertical direction.The heat storage units 3 of anisotropy accumulation and external insulation layer 4
Isolation.
Conduct heat anisotropic heat storage units 3, and forming process includes：Pass through high heat conduction low-dimensional module 7 and low heat conduction mould
8 composite molding of block, heat storage units 3 are using the anisotropic structures such as ellipsoid, plane and the heat storage units 3 of high heat conduction low-dimensional module
Long axis is parallel；High heat conduction low-dimensional module 7 is netted, and threadiness or rodlike can be first shaped to by highly heat-conductive material 9, is then handed over
Fork is knitted to form, and low dimensional structures can also directly use rodlike or planar lamina structure, highly heat-conductive material 9 used to have high store up in addition
Energy density, while there is suitable thermal coefficient, such as metal, silicon carbide, graphene.Low heat conduction material used in low heat conducting module 8
Material has big specific heat, high-temperature stability, good processability, while chemical reaction or high temperature does not occur with highly heat-conductive material
It dissolves each other, such as all kinds of ceramic materials, cement.Fuse salt, conduction oil, liquid metal, water may be used in heat transfer heat-storage medium used
Equal materials have good compatibility with heat storage units 3.
The anisotropy accumulation is to carry out anisotropy accumulation using heat transfer anisotropy heat storage units, makes heat reservoir
With anisotropy heat compensator conducting property.
The heat accumulation exothermic process realized using above system, is included the following steps：
(1) heat accumulation process：High temperature heat transfer heat-storage medium fused salt enters from top inlet and outlet 1, flows through top current divider 2, into
Enter inside heat storage can, exchange heat with heat transfer anisotropy heat storage units 3, low-temperature molten salt is in 6 outflow of bottom of device inlet and outlet, warp
Enter heat storage can by top inlet and outlet 1 again after outer loop heating.
(2) exothermic process：Cryogenic heat transfer heat-storage medium fused salt is entered by bottom inlet and outlet 6, is entered through lower part current divider 5 and is stored up
It inside hot tank, exchanges heat with heat storage units in tank 3, through 1 outflow heat reservoir of device top inlet and outlet, the high-temperature molten salt of outflow is through outer
After portion recycles heat release, then imports and exports 6 from bottom and enter heat reservoir.
The operation principle of the utility model is：The high effective heat-storage system of the utility model design is using inside respectively to different
Property accumulation heat storage units realize.Heat storage units are combined by high heat conduction low-dimensional module and low heat conducting module, and high heat conduction is low
The low dimensional structures plane for tieing up module is parallel with heat storage units long axis, and heat storage units is made to have the high thermal conductivity coefficient of horizontal direction, erects
Histogram to low thermal conductivity, to heat transfer anisotropy.Heat storage units are accumulated using special mode, to make to be
System has great heat transfer difference with vertical direction in the horizontal direction, improves the thermal efficiency of system.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model is not by above-mentioned
The limitation of embodiment, under other any Spirit Essences and principle without departing from the utility model made by change, modify, replace
In generation, simplifies combination, should be equivalent substitute mode, is included within the scope of protection of the utility model.
Claims (7)
1. the heat reservoir based on heat transfer anisotropy heat accumulating, which is characterized in that including heat storage can and heat storage units, storage
Hot cell is deposited in heat storage can, is imported and exported in upper and lower ends；Each heat storage units include that low heat conducting module and setting are led low
Several high heat conduction low-dimensional modules inside thermal modules, the high heat conduction low-dimensional module material thermal coefficient are low heat conducting module materials
Expect thermal coefficient 3 times or more；The plane of each high heat conduction low-dimensional module is substantially parallel with the long axis of heat storage units；Heat storage can
The arrangement of interior heat storage units is using staggeredly tightly packed, and the long axis of heat storage units is all in the horizontal direction, and short axle is all perpendicular
Histogram to.
2. the heat reservoir according to claim 1 based on heat transfer anisotropy heat accumulating, which is characterized in that the height
Heat conduction low-dimensional module uses reticular structure either club shaped structure or laminate structure.
3. the heat reservoir according to claim 1 based on heat transfer anisotropy heat accumulating, which is characterized in that the height
Heat conduction low-dimensional module is made of metal, silicon carbide or graphene；The low heat conducting module uses ceramic material or cement production systD.
4. the heat reservoir according to claim 1 based on heat transfer anisotropy heat accumulating, which is characterized in that the height
Heat conduction low-dimensional module and low heat conducting module are combined by sintering or casting method.
5. the heat reservoir according to claim 1 based on heat transfer anisotropy heat accumulating, which is characterized in that the storage
The shape of hot cell is anisotropic structure.
6. the heat reservoir according to claim 1 based on heat transfer anisotropy heat accumulating, which is characterized in that the storage
The heat transfer heat-storage medium that hot systems use is any one in fuse salt, conduction oil, liquid metal, water.
7. the heat reservoir according to claim 1 based on heat transfer anisotropy heat accumulating, which is characterized in that described
Heat storage can import and export is respectively equipped with current divider, and the current divider includes several diffluence pass, and diffluence pass interlocks in heat storage can
The aligned gaps of the heat storage units of accumulation are corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721258692.5U CN207649148U (en) | 2017-09-28 | 2017-09-28 | Heat reservoir based on heat transfer anisotropy heat accumulating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721258692.5U CN207649148U (en) | 2017-09-28 | 2017-09-28 | Heat reservoir based on heat transfer anisotropy heat accumulating |
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| CN207649148U true CN207649148U (en) | 2018-07-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606805A (en) * | 2017-09-28 | 2018-01-19 | 中山大学 | Heat reservoir and its processing molding method based on heat transfer anisotropy heat accumulating |
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2017
- 2017-09-28 CN CN201721258692.5U patent/CN207649148U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606805A (en) * | 2017-09-28 | 2018-01-19 | 中山大学 | Heat reservoir and its processing molding method based on heat transfer anisotropy heat accumulating |
| CN107606805B (en) * | 2017-09-28 | 2023-11-10 | 中山大学 | Heat storage system based on heat transfer anisotropic heat storage material and processing and forming method thereof |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 |