CN102654318A - Solar photo-thermal generation phase-change energy storage medium melting and anti-condensation technology and device - Google Patents
Solar photo-thermal generation phase-change energy storage medium melting and anti-condensation technology and device Download PDFInfo
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- CN102654318A CN102654318A CN2012101169588A CN201210116958A CN102654318A CN 102654318 A CN102654318 A CN 102654318A CN 2012101169588 A CN2012101169588 A CN 2012101169588A CN 201210116958 A CN201210116958 A CN 201210116958A CN 102654318 A CN102654318 A CN 102654318A
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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
Abstract
The invention relates to a solar photo-thermal generation phase-change energy storage medium melting and anti-condensation technology and a device. When in primary melting of the solar photo-thermal generation phase-change energy storage medium, high-temperature gas provided by a heating system enters a coil pipe through a pipeline to transfer heat and melts the phase-change energy storage medium in a heat storage tank. In the case of thermal stratification, condensation and solidification of the energy storage medium, under the effect of convection or mechanical mixed flow, the heat storage phase-change material in the heat storage tank has uniform temperature, and thus the problems of thermal stratification, condensation, solidification and the like of the phase-change energy storage material in the heat storage tank are solved. The device provided by the invention is clean, safe and efficient, and solves the problems in melting and condensation prevention of the solar photo-thermal generation phase-change energy storage medium.
Description
Technical field
The invention belongs to solar light-heat power-generation energy storage technology field, be specifically related to a kind of solar light-heat power-generation phase-change and energy-storage medium thawing and anti-condense technology and device.
Background technology
Must have heat storage medium to carry out high temperature heat transfer in the solar light-heat power-generation energy-storage system, heat storage medium is generally fuse salt or other phase-change material, and these heat storage mediums all need melt before use, melt and reach uniform temperature after could in system, move;
The high-temperature heat accumulation medium that uses in the photo-thermal power generation energy-storage system; Because cause specific; The heat storage medium liquid level in the accumulation of heat tank body and the bottom temperature difference strengthen; Easily appearance temperature layering, bottom temp reduce and the phenomenon of condensing, solidifying occurs, and influence the service efficiency and the security of system of accumulation of heat and whole solar light-heat power-generation system;
The method that the tradition solution adopts storage tank to add the thermal regenerator medium more heats; Such change salt method needs to increase in addition an independently heating system; Phase-change and energy-storage medium heats outside storage tank and melts after pumping system is drawn back in the tank body again; Owing to be, increased system's heat waste simultaneously, dropped into and operating cost with regard to increase equipment like this in the jar outer circulation.
Summary of the invention
The technical problem that the present invention will solve is: the technology and the device of problem such as propose a kind ofly to solve phase-changing energy storage material thermal stratification in the accumulation of heat tank body, condense, solidify.
The technical scheme that the present invention adopted is: a kind of solar light-heat power-generation phase-change and energy-storage medium melts and the anti-technology of condensing; When said solar light-heat power-generation phase-change and energy-storage medium melts for the first time; Phase-change and energy-storage medium is added in the accumulation of heat tank body; Open unidirectional autocontrol valve, the high-temperature gas that heating system provides gets into flowing heat transfer in the coil pipe through pipeline, melts the phase-change and energy-storage medium in the accumulation of heat tank body; Phase-change and energy-storage medium appearance temperature layering in the said solar light-heat power-generation accumulation of energy tank body, condense, when solidifying; Open unidirectional autocontrol valve; The high-temperature gas that heating system provides gets into flowing heat transfer in the coil pipe through pipeline; Phase-change and energy-storage medium in the heating accumulation of heat tank body makes the heat accumulating phase change material temperature of accumulation of heat tank body even.
Specifically, the high-temperature gas of heating system generation of the present invention is that high-temperature steam, high-temperature flue gas, high temperature air or other temperature values reach desired gas.The hot-gas temperature that heating system produces is greater than the fusing point of phase-changing energy storage material in the accumulation of heat tank body.
Residual heat high-temperature gas after the heating of the present invention gets into heating system through pipeline and three-way pilot valve, to improve the thermal efficiency of heating system.
Heat accumulating phase change material after the heating of the present invention makes the heat accumulating phase change material temperature of accumulation of heat tank body even under the effect of free convection or pressure mixed flow.
Simultaneously, the present invention also provides a kind of solar light-heat power-generation phase-change and energy-storage medium to melt and anti-condensing means, comprises the heating system and the accumulation of heat tank body that connect into closed circuit through pipeline; Described accumulation of heat tank base is provided with coil pipe; Described connecting line is provided with one-way control valve and three-way pilot valve.
Specifically, coil pipe of the present invention is a finned coil, and finned coil is arranged at the jar end and bottom tank skin of accumulation of heat tank body.
The invention has the beneficial effects as follows: all difficult problems more than the present invention fundamentally solves, the efficiency of heating surface is high, easy to use, simple to operate, safety, the equipment input cost is low, is convenient to safeguard, can use repeatedly.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the structural representation of the preferred embodiments of the present invention;
Among the figure: 1, heating system; 2, pipeline; 3, three-way pilot valve; 5, one-way control valve; 7, accumulation of heat tank body; 8, finned coil.
The specific embodiment
Combine accompanying drawing and preferred embodiment that the present invention is done further detailed explanation now.These accompanying drawings are the sketch map of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
As shown in Figure 1, a kind of solar light-heat power-generation phase-change and energy-storage medium melts and anti-condensing means, comprises the heating system 1 and accumulation of heat tank body 7 that connect into closed circuit through pipeline; Accumulation of heat tank body 7 bottoms are provided with finned coil 8; Finned coil 8 is arranged at the jar end and bottom tank skin of accumulation of heat tank body 7; Connecting line 2 is provided with one-way control valve 5 and three-way pilot valve 3.
The direction of arrow among the figure is gas flow direction.When the solar light-heat power-generation phase-change and energy-storage medium melts for the first time; Phase-change and energy-storage medium is added in the accumulation of heat tank body 7; Open unidirectional autocontrol valve 5, the high-temperature gas that heating system 1 provides gets into flowing heat transfer in the coil pipe 8 through pipeline, melts the phase-change and energy-storage medium in the accumulation of heat tank body; Phase-change and energy-storage medium appearance temperature layering in solar light-heat power-generation accumulation of energy tank body 7, condense, when solidifying; Open unidirectional autocontrol valve 5; The high-temperature gas that heating system 1 provides gets into flowing heat transfer in the coil pipe 8 through pipeline 2; Phase-change and energy-storage medium in the heating accumulation of heat tank body 7 makes the heat accumulating phase change material temperature of accumulation of heat tank body 7 even.
The high-temperature gas that heating system produces is a high-temperature steam; The hot-gas temperature that heating system produces is greater than the fusing point of phase-changing energy storage material in the accumulation of heat tank body.
Residual heat high-temperature gas after the heating gets into heating system through pipeline and three-way pilot valve, to improve the thermal efficiency of heating system.Heat accumulating phase change material after the heating makes the heat accumulating phase change material temperature of accumulation of heat tank body even under the effect of free convection or pressure mixed flow.
What describe in the above specification is the specific embodiment of the present invention; Various not illustrating constitutes restriction to flesh and blood of the present invention; Under the those of ordinary skill of technical field after having read specification can to before the described specific embodiment make an amendment or be out of shape, and do not deviate from essence of an invention and scope.
Claims (7)
1. a solar light-heat power-generation phase-change and energy-storage medium melts and the anti-technology of condensing; It is characterized in that: when said solar light-heat power-generation phase-change and energy-storage medium melts for the first time; Phase-change and energy-storage medium is added in the accumulation of heat tank body; Open unidirectional autocontrol valve, the high-temperature gas that heating system provides gets into flowing heat transfer in the coil pipe through pipeline, melts the phase-change and energy-storage medium in the accumulation of heat tank body; Phase-change and energy-storage medium appearance temperature layering in the said solar light-heat power-generation accumulation of energy tank body, condense, when solidifying; Open unidirectional autocontrol valve; The high-temperature gas that heating system provides gets into flowing heat transfer in the coil pipe through pipeline; Phase-change and energy-storage medium in the heating accumulation of heat tank body makes the heat accumulating phase change material temperature of accumulation of heat tank body even.
2. a kind of solar light-heat power-generation phase-change and energy-storage medium as claimed in claim 1 melts and the anti-technology of condensing, and it is characterized in that: the high-temperature gas that described heating system produces is high-temperature steam or high-temperature flue gas or high temperature air.
3. a kind of solar light-heat power-generation phase-change and energy-storage medium as claimed in claim 1 melts and the anti-technology of condensing, and it is characterized in that: the hot-gas temperature that described heating system produces is greater than the fusing point of phase-changing energy storage material in the accumulation of heat tank body.
4. a kind of solar light-heat power-generation phase-change and energy-storage medium as claimed in claim 1 melts and the anti-technology of condensing; It is characterized in that: the residual heat high-temperature gas after the described heating gets into heating system through pipeline and three-way pilot valve, to improve the thermal efficiency of heating system.
5. a kind of solar light-heat power-generation phase-change and energy-storage medium as claimed in claim 1 melts and the anti-technology of condensing; It is characterized in that: the heat accumulating phase change material after the described heating makes the heat accumulating phase change material temperature of accumulation of heat tank body even under the effect of free convection or pressure mixed flow.
6. a solar light-heat power-generation phase-change and energy-storage medium melts and anti-condensing means, it is characterized in that: comprise the heating system and the accumulation of heat tank body that connect into closed circuit through pipeline; Described accumulation of heat tank base is provided with coil pipe; Described connecting line is provided with one-way control valve and three-way pilot valve.
7. a kind of solar light-heat power-generation phase-change and energy-storage medium as claimed in claim 6 melts and the anti-technology of condensing, and it is characterized in that: described coil pipe is a finned coil, and finned coil is arranged at the jar end and bottom tank skin of accumulation of heat tank body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101169588A CN102654318A (en) | 2012-04-19 | 2012-04-19 | Solar photo-thermal generation phase-change energy storage medium melting and anti-condensation technology and device |
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| CN2012101169588A CN102654318A (en) | 2012-04-19 | 2012-04-19 | Solar photo-thermal generation phase-change energy storage medium melting and anti-condensation technology and device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512251A (en) * | 2013-09-29 | 2014-01-15 | 江苏中储能源装备有限公司 | Technology and device for melt and condensation prevention of solar photo-thermal power generation phase-change energy-storage medium |
| CN104359222A (en) * | 2014-10-30 | 2015-02-18 | 江苏太阳宝新能源有限公司 | Stirring suction type phase-change energy storage medium melting device |
| CN104676891A (en) * | 2015-03-03 | 2015-06-03 | 江苏中储能源装备有限公司 | Phase change energy storage medium melting device |
| CN104154656B (en) * | 2014-08-08 | 2017-04-05 | 殷苏 | Efficient anti-condensation stifled formula phase-change and energy-storage medium thawing apparatus |
| CN108548340A (en) * | 2018-04-27 | 2018-09-18 | 武汉科技大学 | Solar energy storage tank |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512251A (en) * | 2013-09-29 | 2014-01-15 | 江苏中储能源装备有限公司 | Technology and device for melt and condensation prevention of solar photo-thermal power generation phase-change energy-storage medium |
| CN104154656B (en) * | 2014-08-08 | 2017-04-05 | 殷苏 | Efficient anti-condensation stifled formula phase-change and energy-storage medium thawing apparatus |
| CN104359222A (en) * | 2014-10-30 | 2015-02-18 | 江苏太阳宝新能源有限公司 | Stirring suction type phase-change energy storage medium melting device |
| CN104676891A (en) * | 2015-03-03 | 2015-06-03 | 江苏中储能源装备有限公司 | Phase change energy storage medium melting device |
| CN108548340A (en) * | 2018-04-27 | 2018-09-18 | 武汉科技大学 | Solar energy storage tank |
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Application publication date: 20120905 |