CN104654623A - Low-temperature solar energy underground heat accumulation system - Google Patents
Low-temperature solar energy underground heat accumulation system Download PDFInfo
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- CN104654623A CN104654623A CN201310573664.2A CN201310573664A CN104654623A CN 104654623 A CN104654623 A CN 104654623A CN 201310573664 A CN201310573664 A CN 201310573664A CN 104654623 A CN104654623 A CN 104654623A
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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
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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
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model aims at providing a low-temperature solar energy underground heat accumulation system capable of achieving large-scale, low-cost, high-efficient and season-spanning usage. The low-temperature solar energy underground heat accumulation system adopts a low-temperature solar heat acquisition system, belongs to a non-tracking solar energy system, enables heat energy acquired by the solar energy system to be exchanged with a heat accumulator and then utilizes the heat energy. The solar heat acquisition system is built to be a wall body structure, and accordingly a large-scale acquisition and storage system can be provided; a solar energy low-temperature acquisition portion is arranged on one side of the wall body; a heat accumulation material is arranged inside a cavity; and accordingly heat energy acquisition and storage are integrated. The low-temperature solar energy underground heat accumulation system can achieve large-scale acquisition and storage through acquisition and storage of the wall body structure and especially can achieve season-spanning acquisition and usage.
Description
Technical field
The present invention relates to heat energy utilization, particularly utilize the accumulation of heat of solar energy low-temperature thermal acquisition system utilize and utilize across season on a large scale.
Background technology
The solar low-temperature heat utilization mainly utilization such as hot water and heating, also may be used for refrigeration, but be belong to this season use on the same day substantially, is also main based on family and small-scale use, main cause be its store and acquisition capacity limited, thus cannot on a large scale, across using season.
If realized across using season, first need to improve storage heater, storage heater is the equipment stored heat energy, and existing storage heater is steam type and liquid heat storage device;
In industrial energy saving field, waste heat is carried out reclaiming and storing, usually adopt phase change technique to carry out accumulation of heat, adopt in low temperature field ice-reserving technology to realize accumulation of heat;
In field of solar energy, adopt fuse salt accumulation of heat, although fuse salt can realize the storage of high temperature, but due to its need from Solid State Transformation be liquid, thus heat energy is needed to be heated, the simultaneously toxicity of fuse salt, economical, security also has problems, and the use of thus fuse salt accumulation of heat is restricted.
In field of solar energy, also adopt air or other gas to carry out accumulation of heat, but its hot melt is little, cannot realize large-scale thermal energy storage.
Storage station adopts electric energy to store, particularly the electric energy of wind-powered electricity generation and photovoltaic composition, and because it cannot realize storing, a large amount of abandoning of thus having to, causes a large amount of wastes.If adopt heat energy to store, need the holder possessing powerful storage capacity.
How to realize solar energy acquisition and accumulation of heat organically combines, and be suitable on a large scale across the use in season, this is the use for solar cross-season, urgent problem.
Summary of the invention
The object of this invention is to provide a kind of low-temperature solar energy underground heat storage system, extensive, low cost, high efficiency, use across season can be realized, the present invention adopts low-temperature solar acquisition system, belong to the solar energy system of Nontracking, heat energy after solar energy acquisition and storage heater are exchanged, then utilizes.
The present invention adopts structure solar energy acquisition being turned into a body of wall, thus one can be provided to be suitable for large-scale collection and stocking system, solar low-temperature collecting part is arranged on the side of body of wall, inside cavity is provided with heat-storing material, thus realizes collection and the storage integrated of heat energy;
The present invention passes through collection and the storage of wall body structure, can realize large-scale collection and storage, particularly can realize the collection across season and use.
Of the present inventionly also provide a kind of storage heater possessing locomotive function, can be gathered by solar energy wall body, after rear and storage heater exchanges, storage heater is moved, need the region of heat energy to one, and then utilize.
Concrete summary of the invention is as follows:
Low-temperature solar energy underground heat storage system, comprises heat-storing material, solar low-temperature acquisition system, heat pipe, insulation material, and housing etc., is characterized in that:
Comprise the container that at least one is arranged on underground, in container, be provided with heat-storing material;
And comprising at least one group of solar low-temperature acquisition system, solar energy acquisition part is arranged on the ground, is provided with First Heat Exchanger part and completes heat exchange in solar low-temperature acquisition system and container between heat-storing material;
Container is also arranged and also has a pair import or export, heat-storing material can enter from import, discharges from outlet;
The heat energy gathered is passed through First Heat Exchanger part by thermal energy exchange to the heat-storing material of accumulator tank by solar low-temperature acquisition system, after heat-storing material reaches design temperature, adopts one of following scheme to operate:
A, heat-storing material to be unloaded away from container, or by and the heat-storing material of low temperature is encased in container and continues to gather;
B, on container, be also provided with the second exchange piece, complete the heat exchange between accumulator tank and the outside device using heat energy.
C, heat-storing material to be incubated, to use across season.
Solar low-temperature acquisition system select following one or more:
A, vacuum tube acquisition system;
B, dull and stereotyped acquisition system;
C, heat-pipe vacuum-tube acquisition system;
The dull and stereotyped acquisition system of D, heat pipe;
E, CPC vacuum tube acquisition system;
F, CPC heat pipe acquisition system.
Solar low-temperature acquisition system is arranged on more than ground, and according to prolonging North and South direction or east-west direction is placed, its placement angle is placed according to the dimension of locality.
Also comprise the 3rd exchange piece, solar energy and underground heat energy are carried out heat exchange, be provided with deep-well or the pipeline of 100-1000 rice at below ground, utilize heat exchanger realize the transmission of heat energy and carry out heat exchange with heat-storing material.
First Heat Exchanger part or the second exchange piece or the 3rd exchange piece are selected from following one:
A, heat pipe heat exchanging, the heat pipe adopted is circulating heat pipe, heat energy can be passed to from ground ground with, a circulating heat pipe part is arranged on solar energy acquisition position, and another part is arranged in cavity, and carries out close contact heat exchange in heat-storing material;
B, fluid dynamic heat exchange: be provided with a fluid tank and power set, power set provide power that circulation is circulated, a pipeline part for fluid arranges solar low-temperature collection terminal, another part is arranged in accumulator tank, and contact in heat-storing material, realize the heat energy of collection and heat-storing material to carry out heat exchange by hydrodynamic circulation;
C, fluid temperature difference heat exchange: be provided with a fluid line, a pipeline part for fluid arranges solar low-temperature collection terminal, and another part is arranged in accumulator tank, and contacts in heat-storing material, the exchange of heat energy is realized by fluid temperature difference circulation, and by thermal energy exchange to heat-storing material.
Fluid adopt following one or more:
A, liquid; Comprise water, conduction oil, fuse salt, liquid metal;
B, gas;
C, plasma;
D, supercritical fluid.
Described heat-storing material, comprise in sensible heat heat-storing material, latent-heat storage, phase change heat storage material, chemical heat-accumulating material one or more; Wherein sensible heat heat-storing material, comprises water, conduction oil, steel slag and iron slag, mine tailing (comprising the ore in sand form that the ore dressing of ore deposit factory is remaining), solid grain block, concrete; Described solid grain block is the particle that is made up of metal or nonmetal or its mixture or/and fragment of brick, or nature exists the amount grains of sand, cobblestone, finger stone, and the shape of solid grain block is circle, polygon, rhombus, fan-shaped, irregular present situation.
Also comprise a mobile storage heater, heat-storing material can be carried out heat insulation transportation, place heat energy being transported to needs uses.
The low-temperature solar energy underground heat storage system or multiple of nano microsphere, silicon powder, vacuum layer, polyurethane, polyphenyl, perlite, glass fibre, insulating cement.
In solar low-temperature acquisition system, the area of solar energy conversion coating is less than in heat exchanger and carries out the heat exchange area of heat exchange between heat-storing material, ensures like this to realize large-scale collection, and by thermal energy storage to heat-storing material, so that current or use across season.
Adopt technical scheme of the present invention can produce following beneficial effect:
1, the present invention realizes on a large scale across the solar low-temperature heat utilization in season;
2, the present invention can use soil effectively, accumulation of heat is arranged on ground once, namely achieves the storage of heat energy, achieve again heat energy across using season.
3, the present invention can be applied to the multiple application such as solar low-temperature heat utilization.
Accompanying drawing explanation
Fig. 1 is fluid circulation low-temperature solar energy underground heat storage system schematic;
Fig. 2 is fluid heat pipe heat exchanging low-temperature solar energy underground heat storage system schematic.
Number in the figure implication:
1: import, 2: outlet, 3: container, 4: heat-storing material, 5: the second heat exchangers 6: solar energy ground temperature acquisition system, 7: First Heat Exchanger, 8: heat pipe, 9: building, 10: Heat Storing Wall, 11: soil.
Detailed description of the invention
Embodiment 1, fluid circulation low-temperature solar energy underground heat storage system
Comprise container 3 shown in Fig. 1, container is set up in the region of below ground, is provided with heat-storing material 4 in container 3, comprise at least two group plate solar acquisition systems 6, plate solar collecting part 6 is arranged on more than the earth's surface of container 3, is provided with First Heat Exchanger part 7 and completes heat exchange in solar low-temperature acquisition system and container between heat-storing material, First Heat Exchanger part adopts fluid heat transfer mode, conduction oil is adopted to carry out heat exchange, the part of First Heat Exchanger part is arranged in plate solar acquisition system 6, a part is arranged in container in addition, and with heat-storing material 4 close contact in container, realize the exchange of heat energy, be in fluid in storage heater through repeated multiple times circulation in pipeline repeatedly, achieve the heat exchange with heat-storing material 4, heat-storing material can enter from accumulation of heat import and flow out from outlet, heat-storing material adopts 50 Sodium acetate trihydrates, barium hydroxide, ten water Boratexes mix, the heat energy gathered is passed through First Heat Exchanger part 7 by thermal energy exchange to the heat-storing material 4 of accumulator tank by plate solar acquisition system.
The second heat exchanger 5 is provided with in container, second heat exchanger is bilateral four flat pipeline compositions with a tube connector, fluid enters 1 from the entrance at top, through with storage heater heat exchange after flow out from outlet 2, second heat exchanger mainly by the heat energy that is stored in heat-storing material by fluid communication, realize the utilization of heat energy.
Embodiment 2, fluid heat pipe heat exchanging low-temperature solar energy underground heat storage system
Comprise container 3 shown in Fig. 2, container 3 is arranged on position once, ground 11, is provided with heat-storing material 4 in container 3; Comprise at least two group solar energy vacuum tube heat pipe acquisition systems 6, solar energy vacuum tube heat pipe collecting part 6 arranges more than earth's surface, is provided with First Heat Exchanger part 7 and completes heat exchange in solar low-temperature acquisition system and container between heat-storing material; First Heat Exchanger part adopts the mode of circulating heat pipe heat exchange, and a part for circulating heat pipe is arranged in solar collector 6, its another part to be arranged in container and with heat-storing material 4 compact siro spinning technology, circulating heat pipe is a closed-loop path heat pipe.
Cavity is provided with import 1 and outlet 2, heat-storing material can enter from accumulation of heat import and flow out from outlet, heat-storing material adopts conduction oil, and the heat energy gathered is passed through First Heat Exchanger part 7 by thermal energy exchange to the heat-storing material 4 of accumulator tank by solar energy vacuum tube heat pipe 6.
In container, be provided with fluid inlet and outlet, fluid enters in container by import, by flowing out after heat-storing material heat exchange, realizes heat energy to utilize.
According to theory and structure of the present invention, other case study on implementation can be designed, as long as theory and structure according to the invention, all belong to enforcement of the present invention.
Claims (10)
1. low-temperature solar energy underground heat storage system, comprises heat-storing material, solar low-temperature acquisition system, heat pipe, insulation material, and housing etc., is characterized in that:
Comprise the container that at least one is arranged on underground, in container, be provided with heat-storing material;
And comprising at least one group of solar low-temperature acquisition system, solar energy acquisition part is arranged on the ground, is provided with First Heat Exchanger part and completes heat exchange in solar low-temperature acquisition system and container between heat-storing material;
Container is also arranged and also has a pair import or export, heat-storing material can enter from import, discharges from outlet;
The heat energy gathered is passed through First Heat Exchanger part by thermal energy exchange to the heat-storing material of accumulator tank by solar low-temperature acquisition system, after heat-storing material reaches design temperature, adopts one of following scheme to operate:
A, heat-storing material to be unloaded away from container, or the heat-storing material of low temperature is encased in container and continues to gather;
B, on container, be also provided with the second exchange piece, complete the heat exchange between accumulator tank and the outside device using heat energy;
C, heat-storing material to be incubated, to use across season.
2. low-temperature solar energy underground heat storage system according to claim 1, is characterized in that: solar low-temperature acquisition system select following one or more:
A, vacuum tube acquisition system;
B, dull and stereotyped acquisition system;
C, heat-pipe vacuum-tube acquisition system;
The dull and stereotyped acquisition system of D, heat pipe;
E, CPC vacuum tube acquisition system;
F, CPC heat pipe acquisition system.
3. the low-temperature solar energy underground heat storage system according to claim 1 or 2 or 3, it is characterized in that: solar low-temperature acquisition system is arranged on more than ground, according to prolonging North and South direction or east-west direction is placed, its placement angle is placed according to the dimension of locality.
4. low-temperature solar energy underground heat storage system according to claim 1, it is characterized in that: also comprise the 3rd exchange piece, solar energy and underground heat energy are carried out heat exchange, be provided with deep-well or the pipeline of 100-1000 rice at below ground, utilize heat exchanger realize the transmission of heat energy and carry out heat exchange with heat-storing material.
5. the low-temperature solar energy underground heat storage system according to claim 1 or 4, is characterized in that: First Heat Exchanger part or the second exchange piece or the 3rd exchange piece are selected from following one:
A, heat pipe heat exchanging, the heat pipe adopted is circulating heat pipe, heat energy can be passed to from ground ground with, a circulating heat pipe part is arranged on solar energy acquisition position, and another part is arranged in cavity, and carries out close contact heat exchange in heat-storing material;
B, fluid dynamic heat exchange: be provided with a fluid tank and power set, power set provide power that circulation is circulated, a pipeline part for fluid arranges solar low-temperature collection terminal, another part is arranged in accumulator tank, and contact in heat-storing material, realize the heat energy of collection and heat-storing material to carry out heat exchange by hydrodynamic circulation;
C, fluid temperature difference heat exchange: be provided with a fluid line, a pipeline part for fluid arranges solar low-temperature collection terminal, and another part is arranged in accumulator tank, and contacts in heat-storing material, the exchange of heat energy is realized by fluid temperature difference circulation, and by thermal energy exchange to heat-storing material.
6. low-temperature solar energy underground heat storage system according to claim 5, is characterized in that: fluid adopt following one or more:
A, liquid; Comprise water, conduction oil, fuse salt, liquid metal;
B, gas;
C, plasma;
D, supercritical fluid.
7. low-temperature solar energy underground heat storage system according to claim 1, is characterized in that: described heat-storing material, comprises one or more in sensible heat heat-storing material, latent-heat storage, phase change heat storage material, chemical heat-accumulating material; Wherein sensible heat heat-storing material, comprises water, conduction oil, steel slag and iron slag, mine tailing, solid grain block, concrete; Described solid grain block is the particle that is made up of metal or nonmetal or its mixture or/and fragment of brick, or nature exists the amount grains of sand, cobblestone, finger stone, and the shape of solid grain block is circle, polygon, rhombus, fan-shaped, irregular present situation.
8. low-temperature solar energy underground heat storage system according to claim 1, it is characterized in that: also comprise a mobile storage heater, heat-storing material can be carried out heat insulation transportation, place heat energy being transported to needs uses.
9. low-temperature solar energy underground heat storage system according to claim 1, is characterized in that: insulation material is selected to arrange one or more a bit: the low-temperature solar energy underground heat storage system or multiple of nano microsphere, silicon powder, vacuum layer, polyurethane, polyphenyl, perlite, glass fibre, insulating cement.
10. low-temperature solar energy underground heat storage system according to claim 1, it is characterized in that: in solar low-temperature acquisition system, the area of solar energy conversion coating is less than in heat exchanger and carries out the heat exchange area of heat exchange between heat-storing material, such guarantee realizes large-scale collection, and by thermal energy storage to heat-storing material, so that current or use across season.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310573664.2A CN104654623A (en) | 2013-11-17 | 2013-11-17 | Low-temperature solar energy underground heat accumulation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310573664.2A CN104654623A (en) | 2013-11-17 | 2013-11-17 | Low-temperature solar energy underground heat accumulation system |
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| CN104654623A true CN104654623A (en) | 2015-05-27 |
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| CN201310573664.2A Pending CN104654623A (en) | 2013-11-17 | 2013-11-17 | Low-temperature solar energy underground heat accumulation system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004102A (en) * | 2015-07-02 | 2015-10-28 | 栗世芳 | Solar energy storage and low-temperature air energy combination interaction system |
| CN105009998A (en) * | 2015-07-02 | 2015-11-04 | 栗世芳 | Solar energy and geothermal energy composite greenhouse |
| CN109945707A (en) * | 2018-03-09 | 2019-06-28 | 青岛宝润科技有限公司 | A kind of loop circuit heat pipe storage heater of top heat storage capacity variation |
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| CN102986479A (en) * | 2011-09-13 | 2013-03-27 | 北大工学院绍兴技术研究院 | System for comprehensively utilizing energy sources in greenhouse |
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Patent Citations (4)
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| CN102203520A (en) * | 2008-09-12 | 2011-09-28 | 因特纽电子有限公司 | Thermal vector system for solar concentration power plant |
| CN201561482U (en) * | 2009-12-31 | 2010-08-25 | 佟春永 | Novel solar energy heating system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004102A (en) * | 2015-07-02 | 2015-10-28 | 栗世芳 | Solar energy storage and low-temperature air energy combination interaction system |
| CN105009998A (en) * | 2015-07-02 | 2015-11-04 | 栗世芳 | Solar energy and geothermal energy composite greenhouse |
| CN105004102B (en) * | 2015-07-02 | 2018-07-31 | 栗世芳 | Solar energy storage and low-temperature air energy duplex interactive system |
| CN109945707A (en) * | 2018-03-09 | 2019-06-28 | 青岛宝润科技有限公司 | A kind of loop circuit heat pipe storage heater of top heat storage capacity variation |
| CN109945706A (en) * | 2018-03-09 | 2019-06-28 | 青岛宝润科技有限公司 | A kind of design method of loop circuit heat pipe bottom heat storage capacity |
| CN109945707B (en) * | 2018-03-09 | 2021-10-01 | 郑坤 | Loop heat pipe heat accumulator with variable top heat accumulation capacity |
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Application publication date: 20150527 |
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