CN104266522B - A kind of static fused salt hot air heat exchange system - Google Patents
A kind of static fused salt hot air heat exchange system Download PDFInfo
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- CN104266522B CN104266522B CN201410468351.5A CN201410468351A CN104266522B CN 104266522 B CN104266522 B CN 104266522B CN 201410468351 A CN201410468351 A CN 201410468351A CN 104266522 B CN104266522 B CN 104266522B
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- fused salt
- water
- heat exchange
- air
- salt tank
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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
A kind of static fused salt hot air heat exchange system; Adopt that Large Copacity is incubated good fused salt tank, liquid fused salt must not flow, adopt and heat at fused salt tank inner utilization electric heating tube, directly weld spiral hot-flow flue at fused salt tank wall, on the inner fused salt tank wall of hot-flow flue, weld floor, increase heat release area, utilize high-temperature hot-air by hot blast/water-to-water heat exchanger; Improve heat exchange efficiency, simplify heat exchange process, that heat transfer effect controls is convenient, due to structure simple; Compare with other fused salt heat exchanging mode; Have that heat exchange process is simple, heat exchange efficiency is high, controllability is strong, without any potential safety hazard, and have the construction period short, invest little, implement the advantages such as easy.
Description
Technical field
The present invention relates to molten salt energy-storage technical field of heat exchange, especially relate to a kind of static fused salt hot air heat exchange system.
Background technology
Current molten salt energy-storage heat exchange structure is very complicated; With regard to for molten salt energy-storage heating, generally adopt high temperature melting salt cellar, low-temperature molten salt tank, pump for liquid salts, insulation heat tracing pipe road, high temperature heat exchange, low-temperature heat exchange, then just can provide hot water to hot duct, fused salt heating; Stored by pump for liquid salts, molten salt heater, high temperature melting salt cellar, by pump for liquid salts, the fused salt liquid of high temperature melting salt cellar is extracted out during use, by fused salt/conduction oil interchanger, again by conduction oil/water coke slurry device heating water, then be supplied to heating user to use, the fused salt liquid of being lowered the temperature by interchanger flows back to low-temperature molten salt tank, during heating by pipeline; By pump for liquid salts, low-temperature molten salt liquid extracted out, by molten salt heater, flow to high temperature melting salt cellar and store, because secondary heat exchange, the thermal efficiency can not make full use of, because separated heating, Cemented filling, thermal loss are large, and equipment is quite complicated, whole heating heat exchange process is difficult to control, high-temperature molten salt liquid-circulating; Quite high and there is the shortcomings such as potential safety hazard to equipment, pipeline, material requirements.
A kind of static fused salt hot air heat exchange system; Adopt that Large Copacity is incubated good fused salt tank, liquid fused salt must not flow, adopt and carry out heating, in fused salt tank wall welding processing spirality air channel, utilizing the high temperature air of fused salt tank wall radiation to carry out heat exchange at fused salt tank inner utilization electric heating tube, enormously simplify the complex process of traditional fused salt heat exchanging, the high-temperature hot-air in circulation helical shape air channel, by hot blast/water-to-water heat exchanger direct heat transfer, simplify heat exchange process, for winter heating, it is very easy that heat exchange amount controls.
Summary of the invention
The object of the invention is for current molten salt energy-storage heat transfer technology; Heat exchange mode complex structure, heat exchange efficiency are low, equipment requirement is high, heating heat exchange process is not easy to control, and high-temperature molten salt flow path switch many, there is the shortcomings such as potential safety hazard, not easily enforcements, and the one static state fused salt hot air heat exchange system provided.
The technical solution adopted for the present invention to solve the technical problems is, as required, adopt large volume fused salt tank, fused salt tank body adopts austenitic stainless steel welding manufacture, in fused salt storage tank outer wall welding processing spirality air channel, top arranges air inlet, bottom sets out air port, fused salt storage tank outer wall welding floor in air channel, to increase fused salt storage tank heat release area, a closed helical duct is directly formed at fused salt storage tank outer wall, during use, the hot-air of fused salt storage tank outer wall radiation is extracted by centrifugal blower, form high-temperature hot-air, by the fin space of hot blast/water-to-water heat exchanger, water in heating heat exchanger, for heating, the hot-flow flue being looped back fused salt storage tank outside by the low temperature hot blast of heat exchanger carries out circulating-heating, the temperature of water flow in heat exchanger, hot blast rate is regulated to control by frequency conversion fan, in order to ensure heat transfer effect, improve the thermal efficiency, airduct, blower fan, heat exchanger are all incubated with insulation material.
Beneficial effect of the present invention is: be incubated good fused salt tank owing to adopting Large Copacity, directly directly weld spiral hot-flow flue at fused salt storage tank outer wall, on the inner fused salt tank wall of hot-flow flue, weld floor, increase heat release area, utilize high-temperature hot-air by hot blast/water-to-water heat exchanger; Improve heat exchange efficiency, simplify heat exchange process, that heat transfer effect controls is convenient and fool proof, because structure is simple; This system have the construction period short, invest little, implement the advantages such as easy.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing 1 is structure chart of the present invention.
Accompanying drawing 2 is side sectional views of fused salt tank of the present invention.
Accompanying drawing 3 is top plan of fused salt tank of the present invention.
In figure: 1. fused salt tank, 2. spiral duct, 3. air inlet, 4. air outlet, 5. blower fan, 6. hot blast/water-to-water heat exchanger, 7. backwind tube, 8. supply-water pump, 9. heat exchanger water inlet pipe, 10. pump water inlet, 11. heat exchanger outlet pipes, 12. heating return pipes, 13. heating water tanks, 14. expansion drums, 15. hot air circulating system heat-insulation layers, 16. fused salt tank bodies, 17. fused salt tank shells, 18. fused salt tank external thermal insulations, 19. fused salt tank moderate soak layers, 20. fused salt tank inner thermal insulating layers, 21. air channel space bars, 22. floors, 23. fused salt liquid.
Detailed description of the invention
The present invention includes in accompanying drawing: being interconnected between fused salt tank (1), spiral duct (2), air inlet (3), air outlet (4), blower fan (5), hot blast/water-to-water heat exchanger (6), backwind tube (7), supply-water pump (8), heat exchanger water inlet pipe (9), pump water inlet (10), heat exchanger outlet pipe (11), heating return pipe (12), heating water tank (13) formed, wherein fused salt tank (1), by fused salt tank body (16), spiral duct (2), fused salt tank shell (17), fused salt tank external thermal insulation (18), fused salt tank moderate soak layer (19), fused salt tank inner thermal insulating layer (20) formed, and fused salt tank body (16) is by high temperature resistant, corrosion resistant austenite stainless steel making, at fused salt tank body (16) outer wall welding production spiral duct (2), spiral duct (2) inside becomes helical form air channel by air channel space bar (21) interval, fused salt tank body (16) outer wall intermittent weld rib plate (22) in air channel, to increase heat-conducting area, spiral duct (2), upper end connects air inlet (3), lower end connects air outlet (4), air inlet (3), air outlet (4) is rectangular tubular structure, spiral duct (2), air inlet (3), air outlet (4), air channel space bar (21), floor (22) is welded by corrosion resistant plate and makes, and hot blast/water-to-water heat exchanger (6) is intensive copper pipe sheet string type structure, high-temperature hot-air absorbs heat by copper pipe outer wall and aluminous fin, water in heating copper tube carries out heat exchange, the fused salt tank shell (17) of fused salt tank (1) is manufactured by general steel plate, fused salt tank inner thermal insulating layer (20) is by resistant to elevated temperatures alumina silicate processing and fabricating, fused salt tank moderate soak layer (19) is made by rock wool, fused salt tank external thermal insulation (18) is foamed by polyurethane high density and makes, make the heat loss of fused salt liquid (23) minimum, fused salt pot bottom and top cover plate all arrange the good heat-insulation layer of heat insulation effect, on fused salt tank top, electric heater is installed, instrument and sensor.
The course of work of the present invention is, the hot blast in spiral duct (2) is extracted by blower fan (5), by hot blast/water-to-water heat exchanger (6), backwind tube (7), spiral duct (2) cyclic high-temperature hot blast, high-temperature hot-air heating hot blast/water-to-water heat exchanger (6), by supply-water pump (8) by the water in pump water inlet (10) absorption heating water tank (13), hot blast/water-to-water heat exchanger (6) is entered by heat exchanger water inlet pipe (9), heating network is sent to by heat exchanger outlet pipe (11) by the water heated, by the water that heat supply user is lowered the temperature, by heating return pipe (12), flow back to heating water tank (13), blower fan (5) is frequency conversion fan, according to supply water temperature, automatic adjustment air circulation.
The present invention utilizes fused salt tank body (16) exterior conductive heat; The high-temperature hot-air, the middle water flowed of heating hot blast/water-to-water heat exchanger (6) that add the air in spiral duct (2), are produced by blower fan (5) circulation; Reach the object of heat exchange, compare with other fused salt heat exchanging mode; Have that heat exchange process is simple, heat exchange efficiency is high, controllability is strong, without any potential safety hazard.
Claims (4)
1. a static fused salt hot air heat exchange system, it is characterized in that: by fused salt tank (1), spiral duct (2), air inlet (3), air outlet (4), blower fan (5), hot blast/water-to-water heat exchanger (6), backwind tube (7), supply-water pump (8), heat exchanger water inlet pipe (9), pump water inlet (10), heat exchanger outlet pipe (11), heating return pipe (12), being interconnected between heating water tank (13) formed, wherein fused salt tank (1) is by fused salt tank body (16), spiral duct (2), fused salt tank shell (17), fused salt tank external thermal insulation (18), fused salt tank moderate soak layer (19), fused salt tank inner thermal insulating layer (20) formed.
2. one according to claim 1 static fused salt hot air heat exchange system, it is characterized in that: fused salt tank body (16) is by high temperature resistant, corrosion resistant austenite stainless steel making, at fused salt tank body (16) outer wall welding production spiral duct (2), spiral duct (2) inside becomes helical form air channel by air channel space bar (21) interval, fused salt tank body (16) outer wall intermittent weld rib plate (22) in air channel, to increase heat-conducting area, spiral duct (2) upper end connects air inlet (3), lower end connects air outlet (4).
3. one according to claim 1 static fused salt hot air heat exchange system, be further characterized in that: air inlet (3), air outlet (4) are rectangular tubular structure, spiral duct (2), air inlet (3), air outlet (4), air channel space bar (21), floor (22) are welded by corrosion resistant plate and make.
4. one according to claim 1 static fused salt hot air heat exchange system, is further characterized in that: hot blast/water-to-water heat exchanger (6) is intensive copper pipe sheet string type structure; The water that high-temperature hot-air is absorbed in heat, heating copper tube by copper pipe outer wall and aluminous fin carries out heat exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468351.5A CN104266522B (en) | 2014-09-12 | 2014-09-12 | A kind of static fused salt hot air heat exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468351.5A CN104266522B (en) | 2014-09-12 | 2014-09-12 | A kind of static fused salt hot air heat exchange system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104266522A CN104266522A (en) | 2015-01-07 |
| CN104266522B true CN104266522B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410468351.5A Expired - Fee Related CN104266522B (en) | 2014-09-12 | 2014-09-12 | A kind of static fused salt hot air heat exchange system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152091B (en) * | 2016-09-14 | 2019-01-18 | 广东石油化工学院 | A kind of multi-functional fuse salt steam generator of fully-automatic household |
| CN108266791A (en) * | 2016-12-30 | 2018-07-10 | 百吉瑞（天津）新能源有限公司 | A kind of molten salt energy-storage and electric boiler complementation heating system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2452679A1 (en) * | 1979-03-29 | 1980-10-24 | Hepp F | Economiser for domestic central heating boiler - has water-pipe coil in good thermal contact with flue to absorb heat from flue gases |
| CN1504716A (en) * | 2002-12-02 | 2004-06-16 | 广东工业大学 | Metal and molten salt energy storage type heat supply apparatus |
| CN204085277U (en) * | 2014-09-12 | 2015-01-07 | 山东省汶上重力机械厂 | A kind of static fused salt hot air heat exchange system |
-
2014
- 2014-09-12 CN CN201410468351.5A patent/CN104266522B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2452679A1 (en) * | 1979-03-29 | 1980-10-24 | Hepp F | Economiser for domestic central heating boiler - has water-pipe coil in good thermal contact with flue to absorb heat from flue gases |
| CN1504716A (en) * | 2002-12-02 | 2004-06-16 | 广东工业大学 | Metal and molten salt energy storage type heat supply apparatus |
| CN204085277U (en) * | 2014-09-12 | 2015-01-07 | 山东省汶上重力机械厂 | A kind of static fused salt hot air heat exchange system |
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| CN104266522A (en) | 2015-01-07 |
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