CN101592455A - Solar energy high-temperature phase-change heat reservoir - Google Patents

Solar energy high-temperature phase-change heat reservoir Download PDF

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Publication number
CN101592455A
CN101592455A CNA2009100597825A CN200910059782A CN101592455A CN 101592455 A CN101592455 A CN 101592455A CN A2009100597825 A CNA2009100597825 A CN A2009100597825A CN 200910059782 A CN200910059782 A CN 200910059782A CN 101592455 A CN101592455 A CN 101592455A
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China
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heat
thermal storage
high temperature
storage device
temperature resistant
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Pending
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CNA2009100597825A
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Chinese (zh)
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吴耀琪
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Individual
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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
    • 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
    • Y02E10/47—Mountings or tracking
    • 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
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Abstract

Solar energy high-temperature phase-change heat reservoir of the present invention, it is poor to solve existing device stability, and production capacity efficient is low, uses inconvenience, is suitable for problem not.Between the housing (17) of thermal storage device (1) and the high temperature resistant tube (19) thermal insulation layer (18) is arranged, be evenly equipped with heat conduction grid (11) or foam metal in the high temperature resistant tube (19), be evenly equipped with output heat pipe (20) or input heat pipe (10) in the high temperature resistant tube or/and defeated heat pipe (5), described heat conduction grid is the stereochemical structure that the space is arranged that heat conductive filament or conducting strip constitute, perhaps the structure that the space is arranged that is processed into by Heat Conduction Material is filled with heat accumulating in the space of heat conduction grid or foam metal.

Description

Solar energy high-temperature phase-change heat reservoir
Technical field:
The present invention with utilize solar device relevant, especially relevant with the device that utilizes solar energy high temperature heat storage.
Background technology:
Existing solar energy high temperature heat storage material use high-temperature phase-change heat storage is a liquid phase during material heat accumulation, transfers to after the heat release being solid phase, and volume contraction is big, make energy-storing container that heat easily take place and get loose and hot spot spot phenomenon, and poor stability, heat transfer efficiency is low, the use cost height.
Summary of the invention:
It is high that the object of the invention provides a kind of energy-storing container stability, the thermal conductivity height, and cost is low, solar energy high-temperature phase-change heat reservoir easy to use.
The present invention is achieved in that
Solar energy high-temperature phase-change heat reservoir of the present invention, between the housing 17 of thermal storage device 1 and the high temperature resistant tube 19 thermal insulation layer 18 is arranged, be evenly equipped with heat conduction grid 11 or foam metal in the high temperature resistant tube 19, be evenly equipped with output heat pipe 20 or input heat pipe 10 in the high temperature resistant tube or/and defeated heat pipe 5, described heat conduction grid is the stereochemical structure that the space is arranged that heat conductive filament or conducting strip constitute, perhaps the structure that the space is arranged that is processed into by Heat Conduction Material is filled with heat accumulating in the space of heat conduction grid or foam metal.
Having defeated heat pipe 5 to extend housing 17 in the high temperature resistant tube is connected with heat exchanger 2, heat exchanging chamber 30 and heat collector cavity 22 are arranged in the housing 17 of heat exchanger 2, there is thermal-arrest bundle 21 upper end of heat collector cavity 22, there is opening 23 lower end, heat exchanging chamber is connected with high temperature resistant tube by defeated heat pipe 5, and heat exchanger 2 and heat collector 3 are positioned on the support 4.
Have defeated heat pipe 10 to extend housing in the high temperature resistant tube and be connected with heat collector 3, heat collector 3 is metallic reflection sheet or speculum or vacuum heat absorbing pipe, and heat collector 3 is positioned on the support 4.
Described support is several, and each support 4 is connected with heat exchanger 2 with heat collector 3, and all heat exchangers 2 are connected by defeated heat pipe 5 individual thermal storage device 1 in parallel with one or more or series connection.
All heat exchangers 2 are leaded up to defeated heat pipe 5, low temperature heat-conducting medium regulating box 25, heat-resisting pump the 6, the 1st three-way cock and are connected with thermal storage device 1, another road is connected with thermal storage device 1 by defeated heat pipe 5, high temperature heat conducting medium regulating box the 26, the 2nd three-way cock, 1st, 2 three-way cocks be connected with thermal storage device 1 with hot device 84, send out device 7 with the hot device and the temperature difference and be connected.
The present invention installs metal heat-conducting grid or foam metal in thermal storage device, heat accumulating is melted be filled in heat conduction grid or the foam metal, with defeated heat circulation pipe transporting heat energy in thermal storage device.The metal heat-conducting grid can be the grid that is connected to each other manufacturing with heat conductive filament, conducting strip.It also can be the structure in the band space that forms with Heat Conduction Material machining or casting.Foam metal foam process manufacturing is as foam copper.The porosity of grid can be uniformly, also can be according to the thermal field design in the three dimensions nonlinear Distribution.The drawback that can avoid volume contraction to produce.
With thermoelectric generator with unite use with hot device, remedy the high deficiency of independent use cost.
During the heat energy that in using thermal storage device, stores, use independent defeated pipe line.Defeated pipe line can be the pipe network of dynamic conveying fluidised form heat-conducting medium, also can be motorless heat pipe.
When thermal storage device places when indoor, the material thermoelectric generator can directly connect with thermal storage device, heat is released in indoor.
When thermal storage device places outdoorly, when perhaps needing to be distributed in the heat supply of a plurality of places, material thermoelectric generator and its connection reject heat to the place that needs.
With hot device can be direct-fired refrigerating plant, and perhaps the absorption refrigeration air-conditioning so just can provide cold air to the place of needs.
The present invention's stability is high, and thermal conductivity height, easy to use is simple in structure, and low cost of manufacture is applied widely, both can satisfy general family and use, but also networking becomes the cogenerator that satisfies community's use.The army, the peasants and herdsmen that are specially adapted to be in outlying areas without electricity use.
Description of drawings:
Fig. 1 is one of structure chart of the present invention.
Fig. 2 is two of a structure chart of the present invention.
Fig. 3 is three of a structure chart of the present invention.
The networking figure that Fig. 4 is.
The specific embodiment:
Embodiment 1:
Between the housing 17 of thermal storage device 1 and the high temperature resistant tube 19 thermal insulation layer 18 is arranged, uniform heat conduction grid 11 in the high temperature resistant tube 19.Heat conduction grid 11 is stereochemical structures that the space is arranged that heat conductive filament or conducting strip are woven into.Perhaps with Heat Conduction Material machining or casting and the structure that the space is arranged.Be filled with heat accumulating in the space.Heat accumulating can select one arbitrarily in the material from following table, is packed into the space of heat conduction grid 11 after the thawing.Be evenly equipped with output heat pipe 20 and input heat pipe 10 in the high temperature resistant tube, the input heat pipe is connected with defeated heat pipe 5.
The medium heat rerum natura of table 1 high temperature solar phase-change heat-storage material is as shown in the table:
Fusing point/℃ Latent heat of phase change/kJ.kg -1 Thermal conductivity factor/W. (℃) -1 Density/kg.m -3
68.1％KCl+31.9％ZnCl 2 235 198
NaNO 3 307 172 0.5 2260
KNO 3 333 262 0.5 2110
KOH 380 149.7 0.5 2044
(38.5％MgCl 2+61.5％NaCl 435 328 2480
11.8％NaF+54.3％NaCl +26.6％LiF+7.3％MgF 2 449 2160
Na 2CO 3-BaCO 3/MgO 500～850 415.4 5 2600
Embodiment 2:
As shown in Figure 4, the defeated heat pipe 5 of some heat exchangers 2 connections, heat-resisting pump 6, low temperature heat-conducting medium regulating box 25 are connected with thermal storage device 1, heat exchanger 2 another roads are connected with thermal storage device 1 with high-temperature medium regulating box 26 by defeated heat pipe 5, thermal storage device 1 be connected with hot device 84 or thermoelectric generator 7.
Embodiment 3:
The structure of thermal storage device 1 is identical with embodiment 1, but directly by failing heat pipe 5, pump 81, valve 83 and being connected with hot device 84, is connected with thermoelectric generator 7 with hot device, and thermoelectric generator is connected with electrical appliance 8 through charger 9.
Embodiment 4:
Bidirectional driving apparatus 41 and two bearings 44 are arranged on the support 4.Connecting rod is supported at both ends in bearing 44.Threeway adaptor and rotating shaft are rotatably assorted, and rotating shaft and bidirectional driving apparatus 41 are in transmission connection.Heat collector 3 is loaded in the mounting disc by connector 48.
Support 4 is connected with heat collector 3 by connecting piece 48, and support 4 is connected with heat exchanger 2, and heat exchanger 2 is connected with thermal storage device 1 with heat-resisting pump 6 by defeated heat pipe 5.Between the housing 17 of heat exchanger 2 and the chamber wall 29 thermal insulation layer 28 is arranged.In heat exchanging chamber 30 and the heat collector cavity 22 heat conductive rod 32 is arranged, there are opening 23 and Jiao Re bundle 21 in burnt hot chamber 22.

Claims (5)

1, solar energy high-temperature phase-change heat reservoir, it is characterized in that between the housing (17) of thermal storage device (1) and the high temperature resistant tube (19) thermal insulation layer (18) being arranged, be evenly equipped with heat conduction grid (11) or foam metal in the high temperature resistant tube (19), be evenly equipped with output heat pipe (20) or input heat pipe (10) in the high temperature resistant tube or/and defeated heat pipe (5), described heat conduction grid is the stereochemical structure that the space is arranged that heat conductive filament or conducting strip constitute, perhaps the structure that the space is arranged that is processed into by Heat Conduction Material is filled with heat accumulating in the space of heat conduction grid or foam metal.
2, thermal storage device according to claim 1, it is characterized in that having defeated heat pipe (5) to extend housing (17) in the high temperature resistant tube is connected with heat exchanger (2), heat exchanging chamber (30) and heat collector cavity (22) are arranged in the housing (17) of heat exchanger (2), there is thermal-arrest bundle (21) upper end of heat collector cavity (22), there is opening (23) lower end, heat exchanging chamber is connected with high temperature resistant tube by defeated heat pipe (5), and heat exchanger (2) and heat collector (3) are positioned on the support (4).
3, thermal storage device according to claim 1, it is characterized in that having input heat pipe (10) to extend housing in the high temperature resistant tube is connected with heat collector (3), heat collector (3) is sheet metal reflector plate or speculum or vacuum heat absorbing pipe, and heat collector (3) is positioned on the support (4).
4, according to claim 2 or 3 described thermal storage devices, it is characterized in that described support is several, each support (4) is connected with heat exchanger (2) with heat collector (3), and all heat exchangers (2) are connected by defeated heat pipe (5) individual thermal storage device (1) in parallel with one or more or series connection.
5, thermal storage device according to claim 4, it is characterized in that all heat exchangers (2) lead up to defeated heat pipe (5), low temperature heat-conducting medium regulating box (25), heat-resisting pump (6), the 1st three-way cock and be connected with thermal storage device (1), another road is connected with thermal storage device (1) by defeated heat pipe (5), high temperature heat conducting medium regulating box (26), the 2nd three-way cock, 1st, 2 three-way cocks be connected with thermal storage device (1) with hot device (84), send out device (7) with the hot device and the temperature difference and be connected.
CNA2009100597825A 2009-06-26 2009-06-26 Solar energy high-temperature phase-change heat reservoir Pending CN101592455A (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011146052A1 (en) * 2010-05-18 2011-11-24 Empire Technology Development Llc Ultracapacitors employing phase change materials
CN102706197A (en) * 2012-05-18 2012-10-03 胡钧 Multifunctional zero-energy-consumption phase change decoration block cold-hot machine, and preparation method and application thereof
CN103148723A (en) * 2013-04-10 2013-06-12 南京工业大学 Metal net base corrugate pipe type phase change heat storage device
CN103384809A (en) * 2011-01-26 2013-11-06 可再生能源***技术(Tfres)私人有限公司 Methods and components for thermal energy storage
CN104467540A (en) * 2014-12-02 2015-03-25 天津大学 Thermal energy collection and storage device applied to miniature thermoelectric battery
CN104620967A (en) * 2015-02-11 2015-05-20 东南大学 Solar photovoltaic heat storage type constant temperature bioreactor
CN104993776A (en) * 2015-07-29 2015-10-21 中国地质大学（武汉） Solar energy tower type optical-condensation heat-storage thermophotovoltaic power generation system
CN105222369A (en) * 2015-11-10 2016-01-06 农业部规划设计研究院 Solar energy heat-collecting heat-storage radiator
CN105400918A (en) * 2015-12-30 2016-03-16 中冶南方工程技术有限公司 Cover plate for slag-iron runner of blast furnace
CN109560306A (en) * 2018-11-30 2019-04-02 东南大学 A kind of Proton Exchange Membrane Fuel Cells phase-change accumulation energy system based on foam metal
CN110139408A (en) * 2019-05-30 2019-08-16 上海交通大学 A kind of plate electric heater
CN110487098A (en) * 2019-09-10 2019-11-22 李居强 Energy storage device and energy-storage system
CN111560235A (en) * 2020-05-20 2020-08-21 贵州梅岭电源有限公司 High-viscosity high-heat-storage type phase-change material for thermal battery and preparation method and application thereof
CN111595034A (en) * 2018-08-03 2020-08-28 青岛佰腾科技有限公司 Method for intelligently controlling solar heat storage heating through communication means

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9123477B2 (en) 2010-05-18 2015-09-01 Empire Technology Development Llc Ultracapacitors employing phase change materials
US8611069B2 (en) 2010-05-18 2013-12-17 Empire Technology Development Llc Ultracapacitors employing phase change materials
WO2011146052A1 (en) * 2010-05-18 2011-11-24 Empire Technology Development Llc Ultracapacitors employing phase change materials
CN103384809A (en) * 2011-01-26 2013-11-06 可再生能源***技术(Tfres)私人有限公司 Methods and components for thermal energy storage
CN103384809B (en) * 2011-01-26 2016-01-20 可再生能源***技术(Tfres)私人有限公司 For method and the component of thermal energy storage
CN102706197A (en) * 2012-05-18 2012-10-03 胡钧 Multifunctional zero-energy-consumption phase change decoration block cold-hot machine, and preparation method and application thereof
CN103148723A (en) * 2013-04-10 2013-06-12 南京工业大学 Metal net base corrugate pipe type phase change heat storage device
CN104467540A (en) * 2014-12-02 2015-03-25 天津大学 Thermal energy collection and storage device applied to miniature thermoelectric battery
CN104620967A (en) * 2015-02-11 2015-05-20 东南大学 Solar photovoltaic heat storage type constant temperature bioreactor
CN104620967B (en) * 2015-02-11 2016-09-07 东南大学 A kind of photovoltaic heat accumulating type homoiotherm reactor
CN104993776A (en) * 2015-07-29 2015-10-21 中国地质大学（武汉） Solar energy tower type optical-condensation heat-storage thermophotovoltaic power generation system
CN105222369A (en) * 2015-11-10 2016-01-06 农业部规划设计研究院 Solar energy heat-collecting heat-storage radiator
CN105400918A (en) * 2015-12-30 2016-03-16 中冶南方工程技术有限公司 Cover plate for slag-iron runner of blast furnace
CN111595034A (en) * 2018-08-03 2020-08-28 青岛佰腾科技有限公司 Method for intelligently controlling solar heat storage heating through communication means
CN111595034B (en) * 2018-08-03 2021-10-26 青岛佰腾科技有限公司 Method for intelligently controlling solar heat storage heating through communication means
CN109560306A (en) * 2018-11-30 2019-04-02 东南大学 A kind of Proton Exchange Membrane Fuel Cells phase-change accumulation energy system based on foam metal
CN110139408A (en) * 2019-05-30 2019-08-16 上海交通大学 A kind of plate electric heater
CN110487098A (en) * 2019-09-10 2019-11-22 李居强 Energy storage device and energy-storage system
CN110487098B (en) * 2019-09-10 2021-03-26 李居强 Energy storage device and energy storage system
CN111560235A (en) * 2020-05-20 2020-08-21 贵州梅岭电源有限公司 High-viscosity high-heat-storage type phase-change material for thermal battery and preparation method and application thereof
CN111560235B (en) * 2020-05-20 2021-08-03 贵州梅岭电源有限公司 High-viscosity high-heat-storage type phase-change material for thermal battery and preparation method and application thereof

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