CN218329467U - Double helix fused salt heat transfer system - Google Patents
Double helix fused salt heat transfer system Download PDFInfo
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- CN218329467U CN218329467U CN202221136549.XU CN202221136549U CN218329467U CN 218329467 U CN218329467 U CN 218329467U CN 202221136549 U CN202221136549 U CN 202221136549U CN 218329467 U CN218329467 U CN 218329467U
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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 utility model discloses a double helix fused salt heat transfer system belongs to heat-retaining technical field, including heat storage tank, double helix heat exchanger, exit, heat preservation base. The heat storage tank is internally provided with high-temperature heat storage medium molten salt, and the heat exchange medium in the double-spiral heat exchanger is water. And the low-temperature heat exchange medium flows into the double-spiral heat exchanger from the pipeline inlet, absorbs heat and is discharged from the outlet. The double-spiral heat exchange structure enhances disturbance of fused salt on the top of the heat storage tank, solves the problem of temperature stratification of the fused salt in the heat exchange process of the heat storage system, improves the utilization efficiency of energy, and is simple in structure and high in space utilization rate.
Description
Technical Field
The invention relates to a double-helix molten salt heat exchange system, belongs to the field of heat storage, and can solve the problem of temperature stratification inside a heat storage system and improve the energy utilization efficiency.
Background
The heat storage technology well solves the problems of mismatching of energy utilization in supply, demand, time and space and the like. The single-tank heat storage system is a mature heat storage mode in the prior art, has high space utilization rate, small floor area and simple structure, and greatly reduces the heat storage cost. However, in the heat release process of the single-tank heat storage system, the density of the heat storage medium is increased along with the reduction of the temperature, the temperature stratification phenomenon occurs in the heat storage tank, and the utilization rate of energy is reduced.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the patent is that the internal temperature of a heat storage tank is layered in the heat release process of a heat storage system so as to improve the utilization efficiency of heat; avoid producing thermal stress because heat storage tank wall temperature distribution is inhomogeneous to arouse the structural damage of jar body.
In order to solve the problem that above-mentioned exists, a double helix fused salt heat transfer system is proposed, including heat storage tank, double helix heat exchanger, exit, heat preservation base, the double helix heat exchanger pipeline inlays in the jar internally, and the inside heat transfer medium that lets in of pipeline, high temperature fused salt in the heat storage tank heat the heat transfer medium in the double helix heat transfer pipeline through natural convection and heat conduction, and the disturbance of fused salt in the heat storage tank is increased to double helix heat transfer structure, reduces temperature stratification phenomenon, improves heat exchange efficiency.
Preferably, the heat storage tank is cylindrical, the interior of the heat storage tank is high-temperature molten salt heat storage medium, and the inlet of the heat storage tank and the outlet of the heat storage tank are respectively positioned at the top and the bottom of the right side of the heat storage tank.
Preferably, double helix heat exchanger inlay in the internal, double helix heat exchanger includes heat exchanger pipeline, entry, export and valve, and the heat exchanger pipeline outside is high temperature fused salt, and inside lets in heat transfer medium, microthermal heat transfer medium flows in from the entry, carries out the heat exchange through double helix heat exchanger pipeline and fused salt, discharges from the export after rising temperature, and the valve is used for adjusting heat transfer medium flow.
Preferably, the double-spiral heat exchanger pipeline is divided into an outer spiral pipeline and an inner spiral pipeline, a heat exchange medium flows in from the outer spiral pipeline, flows through the inner spiral pipeline and finally flows out from the outlet, and the inner and outer spiral pipelines are communicated at the top of the heat exchanger.
Preferably, the heat preservation parcel in heat storage tank surface, the heat preservation base is arranged in heat storage tank bottom, prevents thermal loss.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural diagram of a double-helix heat exchange system.
In the drawings
The heat storage device comprises a heat storage tank 1, a double-spiral heat exchanger 2, an outer spiral pipeline 21, an inner spiral pipeline 22, a heat exchanger pipeline inlet 31, a heat exchanger pipeline outlet 32, a heat exchanger inlet valve 41, a heat exchanger outlet valve 42, a heat storage tank inlet 51, a heat storage tank outlet 52, an insulating layer 6 and an insulating base 7.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model discloses a double helix fused salt heat transfer system, including heat storage tank 1, double helix heat exchanger 2, outer spiral pipeline 21, interior spiral pipeline 22, heat exchanger pipeline entry 31, heat exchanger pipeline export 32, heat exchanger inlet valve 41, heat exchanger outlet valve 42, heat storage tank entry 51, heat storage tank export 52, heat preservation 6, heat preservation base 7. The double-spiral heat exchanger 2 is embedded in the heat storage tank 1, and high-temperature molten salt is filled in the tank. The heat exchange medium is water. When releasing heat, low temperature water flows into outer spiral pipeline 21 through heat exchanger pipeline entry 41, and the spiral rises afterwards, flows into interior spiral pipeline 22 behind the heat exchanger top, flows out from heat exchanger pipeline export 42 at last, and high temperature fused salt heats the water through double helix heat exchanger 2 through natural convection and heat conduction convection, and double helix heat transfer structure has strengthened the disturbance of fused salt in the heat storage tank 1, reduces the temperature stratification phenomenon, has improved heat exchange efficiency.
The heat exchanger pipe inlet 31 and the heat exchanger pipe outlet 32 are respectively provided with an inlet valve 41 and an outlet valve 42 for regulating the flow rate of the heat exchange medium water.
The present invention is not limited to the above embodiments, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A double helix molten salt heat transfer system which is characterized in that: the heat storage tank comprises a heat storage tank (1), a double-spiral heat exchanger (2), a heat exchanger pipeline inlet and outlet (3), a heat exchanger inlet and outlet valve (4), a heat storage tank inlet and outlet (5), a heat preservation layer (6) and a heat preservation base (7), wherein the pipeline of the double-spiral heat exchanger (2) is embedded in the tank body, a heat exchange medium is introduced into the pipeline, and high-temperature molten salt in the heat storage tank (1) heats the heat exchange medium in the pipeline of the double-spiral heat exchanger (2) through natural convection and heat conduction.
2. The double helix molten salt heat exchange system of claim 1, wherein: the heat storage tank (1) is cylindrical, a high-temperature molten salt heat storage medium is arranged in the heat storage tank, and an inlet (51) and an outlet (52) of the heat storage tank are respectively positioned at the top and the bottom of the right side of the heat storage tank (1).
3. The double helix molten salt heat exchange system of claim 1, wherein: the double-spiral heat exchanger (2) is embedded in the tank body, the double-spiral heat exchanger (2) comprises a heat exchanger pipeline, an inlet (31), an outlet (32) and a valve (4), high-temperature molten salt is arranged outside the heat exchanger pipeline, heat exchange medium is introduced into the heat exchanger pipeline, the low-temperature heat exchange medium flows in from the inlet, heat exchange is carried out on the double-spiral heat exchanger (2) pipeline and the molten salt through the double-spiral heat exchanger, the heat exchange medium is discharged from the outlet after temperature rise, and the valve (4) is used for adjusting the flow of the heat exchange medium.
4. The double helix molten salt heat exchange system of claim 3, wherein: the heat exchanger pipeline is divided into an outer spiral pipeline (21) and an inner spiral pipeline (22), a heat exchange medium flows in from the outer spiral pipeline, flows through the inner spiral pipeline and finally flows out from an outlet, and the inner and outer spiral pipelines are communicated at the top of the heat exchanger.
5. The double helix molten salt heat exchange system of claim 1, wherein: the heat preservation (6) parcel is in heat storage tank (1) surface, heat preservation base (7) are arranged in heat storage tank (1) bottom, prevent thermal loss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221136549.XU CN218329467U (en) | 2022-05-11 | 2022-05-11 | Double helix fused salt heat transfer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221136549.XU CN218329467U (en) | 2022-05-11 | 2022-05-11 | Double helix fused salt heat transfer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218329467U true CN218329467U (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221136549.XU Active CN218329467U (en) | 2022-05-11 | 2022-05-11 | Double helix fused salt heat transfer system |
Country Status (1)
| Country | Link |
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| CN (1) | CN218329467U (en) |
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2022
- 2022-05-11 CN CN202221136549.XU patent/CN218329467U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230906 Address after: Room 301, Building 3, No. 10 Huanwei Street, Qingxi Town, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Jiayi New Energy Technology Co.,Ltd. Address before: No. 5, group 15, Siwan village, Zhangguying Town, Yueyang City, Hunan Province Patentee before: Zhang Hai |