CN103913000B - A kind of phase-change thermal storage solar water heater with water route one-way circulation structure - Google Patents
A kind of phase-change thermal storage solar water heater with water route one-way circulation structure Download PDFInfo
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- CN103913000B CN103913000B CN201410134137.6A CN201410134137A CN103913000B CN 103913000 B CN103913000 B CN 103913000B CN 201410134137 A CN201410134137 A CN 201410134137A CN 103913000 B CN103913000 B CN 103913000B
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- change thermal
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 238000001704 evaporation Methods 0.000 claims abstract description 43
- 238000005338 heat storage Methods 0.000 claims abstract description 12
- 239000011232 storage material Substances 0.000 claims abstract description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N iso-propanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 230000002708 enhancing Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000033558 biomineral tissue development Effects 0.000 description 2
- 230000003139 buffering Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
- 101710038256 ABAT Proteins 0.000 description 1
- WWJZWCUNLNYYAU-UHFFFAOYSA-N Temefos Chemical compound C1=CC(OP(=S)(OC)OC)=CC=C1SC1=CC=C(OP(=S)(OC)OC)C=C1 WWJZWCUNLNYYAU-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral Effects 0.000 description 1
- 230000001172 regenerating Effects 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
- 239000002699 waste 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
- Y02E10/44—Heat exchange systems
Abstract
The present invention relates to a kind of phase-change thermal storage solar water heater with water route one-way circulation structure, comprise a phase-change thermal storage solar water heater, one inside carries overtemperature protection system and a water route one-way circulation structure of evaporative medium, overtemperature protection system comprises evaporation tube and condenser pipe, the port of export of evaporation tube is communicated with the entrance point of condenser pipe, the port of export of condenser pipe is communicated with the entrance point of evaporation tube, evaporation tube is embedded in phase-change thermal storage solar water heater, water route one-way circulation structure comprises water inlet pipe, return pipe, heat exchanger tube and one-way conduction element, water inlet pipe is connected by heat exchanger tube with return pipe, evaporation tube and heat exchanger tube heat transfer contact, phase-change heat-storage material in heat exchanger tube and phase-change thermal storage solar water heater carries out heat exchange, the present invention, when without water source and power supply, can realize automatic cycle, makes phase-change thermal storage solar water heater internal temperature can not be too high, and ensure that water heater various places inside homogeneous temperature, contributes to enhance heat.
Description
[technical field]
The present invention relates to technical field of solar water heaters, specifically a kind of phase-change thermal storage solar water heater with water route one-way circulation structure.
[background technology]
Along with China's economic is fast-developing, living standards of the people improve constantly, and also increase progressively the demand of the energy thereupon.Current energy resource consumption is mainly the fossil fuel such as coal, oil and natural gas.Because China's oil reserves are limited, at present nearly 50% crude oil rely on import, coal be still China main fuels and energy source, the environmental problem that fire coal causes has become the problem must taken seriously in China's strategy of sustainable development.Solar energy is a kind of energy of huge environmentally safe, and the solar energy of earth acquisition per second is equivalent to the energy that burning 5,000,000 tons of fat coals send.
China is one of country that solar energy is the abundantest in the world, China's solar energy irradiation total amount is greater than 5,020,000 kilojoules square metre, year, the sunshine time area of 2200 hours accounted for China's area more than 2/3, particularly west area, and the sunshine-duration in year reaches more than 3000 hours.China utilizes solar energy to achieve achievement highly visible, and wherein solar water heater industry development is particularly rapid, is just becoming a new industry.
In recent years, solar water heater was with the speed increment of average annual growth 20% to 30%.China's solar energy industry is started late, still at an early stage of development, larger with gap of abroad going together, the application of current solar energy mainly concentrates on low-quality Solar use aspect, and the solar water heater of domestic use mainly contains: stagnation type solar water heater, plate solar heat hydrophone, vacuum tubular glass solar collector and heat pipe vacuum tubular glass solar collector etc.Also the low side solar thermal collector of employing plastics-water pipe is had in recent years.These low sides, the solar water heater of directly leaking water with hollow plate glass/pipe, its shortcoming is poor thermal insulation property, and interface is many easily to leak, and opposing low temperature ability, frangible easy explosion, volume is large, and Heavy Weight, the thermal efficiency is lower.
Energy can be stored in phase-change material (PhaseChangeMaterials, PCMs) with the form of latent heat of phase change by phase-change accumulation energy and technology, realizes the conversion of energy between different space-time.Utilizing the latent heat of phase change of phase-change material to realize storage and the utilization of energy, contribute to improving efficiency of energy utilization and exploitation regenerative resource, is a very active forward position research direction in energy science and material science in recent years.Compared with sensible heat energy storage technology, phase change energy storage technology has that energy storage density is high, compact, temperature control constant, energy-saving effect significantly, phase transition temperature range of choice is wide, be easy to the advantages such as control, have broad prospects in various fields such as Aero-Space, Solar use, heating and air-conditioning, electric power system optimization, engineering in medicine, military engineering, accumulation of heat building and extreme environment clothes.
Existing phase-change thermal storage solar water heater prevents that overheated measure is generally adopt the mode of T/P valve constant temperature draining or abat vent overheated to prevent; Adopt T/P valve constant temperature waterproof need ensure that phase-change thermal storage solar water heater and running water are unimpeded, not yet pay in house or long-term unoccupied time have that running water is obstructed causes overheated danger, and a large amount of hot water need be discharged during overtemperature protection startup, cause waste; Adopt the mode of automatic sunshade curtain, system complex, investment is large, and fault rate is high, also consumes electric energy; And above two kinds of measures all have the shortcoming that cannot ensure phase-change thermal storage solar water heater various places inside homogeneous temperature.
[summary of the invention]
Object of the present invention is exactly will solve above-mentioned deficiency and provide a kind of phase-change thermal storage solar water heater with water route one-way circulation structure, not only when without water source and power supply, automatic cycle can be realized, make phase-change thermal storage solar water heater internal temperature can not be too high, and ensure that water heater various places inside homogeneous temperature, and contribute to enhance heat.
Design a kind of phase-change thermal storage solar water heater with water route one-way circulation structure for achieving the above object, comprise a phase-change thermal storage solar water heater, one inside carries overtemperature protection system and a water route one-way circulation structure of evaporative medium, described overtemperature protection system is arranged on phase-change thermal storage solar water heater top, described water route one-way circulation vibrational power flow is inner at phase-change thermal storage solar water heater, described overtemperature protection system comprises to be become the evaporation tube of gas by evaporative medium evaporation and gas condensation is become the condenser pipe of evaporative medium, the port of export of described evaporation tube is communicated with the entrance point of condenser pipe, the port of export of described condenser pipe is communicated with the entrance point of evaporation tube, described evaporation tube is all or part of to be embedded in phase-change thermal storage solar water heater, described water route one-way circulation structure comprises the water inlet pipe entering phase-change thermal storage solar water heater, flow out the return pipe of phase-change thermal storage solar water heater, heat exchanger tube and one-way conduction element, described water inlet pipe is connected by heat exchanger tube with return pipe, described water inlet pipe and return pipe are separately installed with one-way conduction element, described evaporation tube and heat exchanger tube heat transfer contact, phase-change heat-storage material in described heat exchanger tube and phase-change thermal storage solar water heater carries out heat exchange.
Described one-way conduction element comprises one-way conduction element one and one-way conduction element two, described one-way conduction element one is arranged on water inlet pipe, described one-way conduction element two is arranged on return pipe, the water inlet of described water inlet pipe connects the delivery port of one-way conduction element one, and the delivery port of described return pipe connects the water inlet of one-way conduction element two.
The water inlet of described one-way conduction element one is communicated with the delivery port of one-way conduction element two.
The port of export of described condenser pipe connects the entrance point of evaporation tube by pipeline, or the entrance point of described condenser pipe connects the port of export of evaporation tube by pipeline, and described pipeline or condenser pipe are communicated with air tank.
Filling pipe and air tank two is communicated with between the water inlet of described one-way conduction element one and the delivery port of one-way conduction element two.
Described one-way conduction element is check valve or motor-driven valve.
Described evaporative medium is the material that boiling point is less than or equal to 150 DEG C.
Described evaporative medium is water, alcohol, anti-icing fluid, liquefied ammonia, ether, acetone, methyl alcohol or isopropyl alcohol.
Described evaporation tube is copper pipe, aluminum pipe, stainless steel tube or finned tube.
Described condenser pipe is copper pipe, aluminum pipe, stainless steel tube or finned tube.
The present invention compared with the existing technology, structure is simple, by installing the inner overtemperature protection system being perfused with evaporative medium on phase-change thermal storage solar water heater top, this overtemperature protection system adopts evaporation tube and condenser pipe composition self circular loop, thus when without water source and power supply, automatic cycle, ensures that phase-change thermal storage solar water heater internal temperature can not be too high, can save water source and electric power; And, phase-change thermal storage solar water heater inside is provided with water route one-way circulation structure, this water route one-way circulation structure adopts water inlet pipe, heat exchanger tube, return pipe and two one-way conduction elements to form closed circuit, thus when water heater temperature reaches a certain value, water expanded by heating pressure increase in heat exchanger tube, simultaneously the evaporation tube partial warm down cooling pressure that heat exchanger tube is contacted therewith that constantly dispels the heat reduces, in loop, mineralization pressure is poor, promote water one-way circulation in loop, ensure that water heater various places inside homogeneous temperature, and contribute to enhance heat; In addition, setting up of air tank is in order to very strong in radiation, and when quantity of steam is very large, because gas can compress, therefore too much air can enter in air tank and form compressed air, and thus form buffering, performance is very reliable.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of one-way circulation structure in water route in the present invention;
In figure: 1, phase-change thermal storage solar water heater 2, evaporation tube 3, air tank 4, condenser pipe 5, pipeline 6, return pipe 7, water inlet pipe 8, one-way conduction element 29, one-way conduction element 1, heat exchanger tube.
[detailed description of the invention]
Below in conjunction with accompanying drawing, following further illustrating is done to the present invention:
As shown in drawings, the present invention includes: a phase-change thermal storage solar water heater 1, one inside carries overtemperature protection system and a water route one-way circulation structure of evaporative medium, overtemperature protection system is arranged on phase-change thermal storage solar water heater top, water route one-way circulation vibrational power flow is inner at phase-change thermal storage solar water heater, overtemperature protection system comprises to be become the evaporation tube 2 of gas by evaporative medium evaporation and gas condensation is become the condenser pipe 4 of evaporative medium, the port of export of evaporation tube is communicated with the entrance point of condenser pipe, the port of export of condenser pipe is communicated with the entrance point of evaporation tube, evaporation tube is all or part of to be embedded in phase-change thermal storage solar water heater, water route one-way circulation structure comprises the water inlet pipe 7 entering phase-change thermal storage solar water heater, flow out the return pipe 6 of phase-change thermal storage solar water heater, connect water inlet pipe and return pipe and carry out the heat exchanger tube 10 of heat exchange and multiple one-way conduction element with the phase-change heat-storage material in phase-change thermal storage solar water heater, one-way conduction element can be but be not limited to check valve or motor-driven valve, water inlet pipe is connected by heat exchanger tube in phase-change thermal storage solar water heater inside with return pipe, water inlet pipe and return pipe are separately installed with one-way conduction element, evaporation tube and heat exchanger tube heat transfer contact.
In the present invention, one-way conduction element comprises one-way conduction element 1 and one-way conduction element 28, one-way conduction element one is arranged on water inlet pipe, one-way conduction element two is arranged on return pipe, the water inlet of water inlet pipe connects the delivery port of one-way conduction element one, and the delivery port of return pipe connects the water inlet of one-way conduction element two.The delivery port of the one-way conduction element two that the water inlet of one-way conduction element one that water inlet pipe connects is connected with return pipe is communicated with, and centre can be communicated with filling pipe and air tank two.The port of export of condenser pipe connects the entrance point of evaporation tube by pipeline 5, or the entrance point of condenser pipe connects the port of export of evaporation tube by pipeline, and pipeline or condenser pipe are communicated with air tank 3, and this pipeline is easy to connect in order to evaporation tube and condenser pipe; Evaporative medium is the material that boiling point is less than or equal to 150 DEG C, as evaporative medium can be but be not limited to water, alcohol, anti-icing fluid, liquefied ammonia, ether, acetone, methyl alcohol or isopropyl alcohol, evaporation tube can be but be not limited to copper pipe, aluminum pipe, stainless steel tube or finned tube, and condenser pipe can be but be not limited to copper pipe, aluminum pipe, stainless steel tube or finned tube.
The feature of phase-change thermal storage solar water heater is: when user does not use, and the inside of phase-change thermal storage solar water heater does not have current to pass through, and solar radiant energy changes thermal energy storage in phase-change heat-storage material.When user uses, current flow through phase-change thermal storage solar water heater, and current and phase-change heat-storage material carry out heat exchange, and heat takes phase-change thermal storage solar water heater out of along with current.If radiation is very strong, and user is not when using phase-change thermal storage solar water heater, and the energy accumulation of phase-change heat-storage material is too much, the temperature of phase-change heat-storage material can be made to raise, thus can damage phase-change thermal storage solar water heater because of overheated.Therefore, the present invention devises the closed circuit be made up of evaporation tube and condenser pipe, because evaporation tube is embedded in phase-change thermal storage solar water heater, the heat exchanger tube close contact of evaporation tube and water heater inside, along with the rising of the phase-change heat-storage material temperature in phase-change thermal storage solar water heater, the temperature of the evaporative medium in evaporation tube also can increase, when water heater temperature reaches a certain value, evaporative medium becomes steam zone and walks heat, then this steam enters condenser pipe, and condenser pipe is located at outside phase-change thermal storage solar water heater, and the structure of condenser pipe is the multiple fin of tubular element peripheral hardware, therefore steam becomes the evaporative medium of liquid condition at condensing tube condensation, thus heat too much in phase-change heat-storage material can be taken out of because of the phase transformation of evaporative medium outside phase-change thermal storage solar water heater, mode eventually through self-loopa prevents solar water heater internal temperature too high.
It is in order to when radiation is very strong that the present invention arranges air tank on pipeline or condenser pipe, because the amount of the steam of evaporative medium evaporation formation is excessive, and the loop that evaporation tube and condenser pipe are formed is impacted, and set up air tank, when quantity of steam is large, because gas can compress, therefore too much air can enter in air tank and form compressed air, thus form buffering.
Designed by the present invention by water inlet pipe, heat exchanger tube, return pipe, the one-way circulation water route that one-way conduction element one and one-way conduction element two are formed, along with the rising of the phase-change heat-storage material temperature in phase-change thermal storage solar water heater, when water heater temperature reaches a certain value, water expanded by heating pressure increase in heat exchanger tube, simultaneously the evaporation tube partial warm down cooling pressure that heat exchanger tube is contacted therewith that constantly dispels the heat reduces, in loop, mineralization pressure is poor, promote water one-way circulation in loop, thus ensure that the phase-change heat-storage material temperature uniform throughout in phase-change thermal storage solar water heater.
The present invention, by the restriction of above-mentioned embodiment, change, the modification done, substitutes, combines, simplifies under other any does not deviate from Spirit Essence of the present invention and principle, all should be equivalent substitute mode, is included within protection scope of the present invention.
Claims (8)
1. the phase-change thermal storage solar water heater with water route one-way circulation structure, it is characterized in that: comprise a phase-change thermal storage solar water heater, one inside carries overtemperature protection system and a water route one-way circulation structure of evaporative medium, described overtemperature protection system is arranged on phase-change thermal storage solar water heater top, described water route one-way circulation vibrational power flow is inner at phase-change thermal storage solar water heater, described overtemperature protection system comprises to be become the evaporation tube of gas by evaporative medium evaporation and gas condensation is become the condenser pipe of evaporative medium, the port of export of described evaporation tube is communicated with the entrance point of condenser pipe, the port of export of described condenser pipe is communicated with the entrance point of evaporation tube, described evaporation tube is all or part of to be embedded in phase-change thermal storage solar water heater, described water route one-way circulation structure comprises the water inlet pipe entering phase-change thermal storage solar water heater, flow out the return pipe of phase-change thermal storage solar water heater, heat exchanger tube and one-way conduction element, described water inlet pipe is connected by heat exchanger tube with return pipe, described water inlet pipe and return pipe are separately installed with one-way conduction element, described evaporation tube and heat exchanger tube heat transfer contact, phase-change heat-storage material in described heat exchanger tube and phase-change thermal storage solar water heater carries out heat exchange, described one-way conduction element comprises one-way conduction element one and one-way conduction element two, described one-way conduction element one is arranged on water inlet pipe, described one-way conduction element two is arranged on return pipe, the water inlet of described water inlet pipe connects the delivery port of one-way conduction element one, the delivery port of described return pipe connects the water inlet of one-way conduction element two, the water inlet of described one-way conduction element one is communicated with the delivery port of one-way conduction element two.
2. phase-change thermal storage solar water heater as claimed in claim 1, it is characterized in that: the port of export of described condenser pipe connects the entrance point of evaporation tube by pipeline, or the entrance point of described condenser pipe connects the port of export of evaporation tube by pipeline, and described pipeline or condenser pipe are communicated with air tank.
3. phase-change thermal storage solar water heater as claimed in claim 2, is characterized in that: be communicated with filling pipe and air tank two between the water inlet of described one-way conduction element one and the delivery port of one-way conduction element two.
4. phase-change thermal storage solar water heater as claimed in claim 3, is characterized in that: described one-way conduction element is check valve or motor-driven valve.
5. phase-change thermal storage solar water heater as claimed in claim 4, is characterized in that: described evaporative medium is the material that boiling point is less than or equal to 150 DEG C.
6. phase-change thermal storage solar water heater as claimed in claim 5, is characterized in that: described evaporative medium is water, alcohol, anti-icing fluid, liquefied ammonia, ether, acetone, methyl alcohol or isopropyl alcohol.
7. phase-change thermal storage solar water heater as claimed in claim 6, is characterized in that: described evaporation tube is copper pipe, aluminum pipe, stainless steel tube or finned tube.
8. phase-change thermal storage solar water heater as claimed in claim 7, is characterized in that: described condenser pipe is copper pipe, aluminum pipe, stainless steel tube or finned tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410134137.6A CN103913000B (en) | 2014-04-04 | 2014-04-04 | A kind of phase-change thermal storage solar water heater with water route one-way circulation structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410134137.6A CN103913000B (en) | 2014-04-04 | 2014-04-04 | A kind of phase-change thermal storage solar water heater with water route one-way circulation structure |
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| Publication Number | Publication Date |
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| CN103913000A CN103913000A (en) | 2014-07-09 |
| CN103913000B true CN103913000B (en) | 2016-04-06 |
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| CN108692469B (en) * | 2018-05-10 | 2020-07-24 | 上海海事大学 | Steam piston type solar water heater |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202648208U (en) * | 2012-02-20 | 2013-01-02 | 江苏启能新能源材料有限公司 | Heat exchange device provided with safety protection |
| CN203413847U (en) * | 2013-06-25 | 2014-01-29 | 江苏启能新能源材料有限公司 | Phase change heat storage solar water heater with overheat protection device |
| CN203797983U (en) * | 2014-04-04 | 2014-08-27 | 江苏启能新能源材料有限公司 | Phase-change heat-storage solar water heater with one-way waterway circulate structure |
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2014
- 2014-04-04 CN CN201410134137.6A patent/CN103913000B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202648208U (en) * | 2012-02-20 | 2013-01-02 | 江苏启能新能源材料有限公司 | Heat exchange device provided with safety protection |
| CN203413847U (en) * | 2013-06-25 | 2014-01-29 | 江苏启能新能源材料有限公司 | Phase change heat storage solar water heater with overheat protection device |
| CN203797983U (en) * | 2014-04-04 | 2014-08-27 | 江苏启能新能源材料有限公司 | Phase-change heat-storage solar water heater with one-way waterway circulate structure |
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| CN103913000A (en) | 2014-07-09 |
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