CN104654615A - Low-temperature solar photovoltaic photo-thermal storage electricity and heat cogeneration system - Google Patents

Low-temperature solar photovoltaic photo-thermal storage electricity and heat cogeneration system Download PDF

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Publication number
CN104654615A
CN104654615A CN201310573686.9A CN201310573686A CN104654615A CN 104654615 A CN104654615 A CN 104654615A CN 201310573686 A CN201310573686 A CN 201310573686A CN 104654615 A CN104654615 A CN 104654615A
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heat
solar
temperature
low
storing material
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李建民
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Chengdu Aonengpu Technology Co Ltd
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Chengdu Aonengpu Technology Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Abstract

The utility model provides a low-temperature solar photovoltaic photo-thermal storage electricity and heat cogeneration system. A low-temperature solar heat collecting system and a solar photovoltaic collecting system are adopted; a container with at least one cavity is arranged; heat storage materials are arranged in the container; at least one set of solar energy low-temperature collecting system is included; the solar energy collecting portion is arranged outside the container; first heat exchange devices are arranged to complete heat exchange between the solar low-temperature colleting systems and the heat storage materials in the container; heat energy obtained after solar energy collection is stored in heat storage; electric energy and the heat energy can be collected at the same time; and the photovoltaic efficiency can be improved. According to the system, solar energy collection is built to be of a wall structure; therefore, the system suitable for large-scale collection and storage can be provided; the solar energy low-temperature collecting portions are arranged on one side of a wall; a solar photovoltaic power generation device is arranged around the wall or at the top of the cavity; the heat storage materials are arranged in the cavity; and therefore heat energy collection and storage integration can be achieved.

Description

Low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation system
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.
Much dissimilar kiln is had at industrial circle, each kiln will discharge a large amount of discarded objects, as slag and the scum of steel plant, and the coal ash that coal electric boiler is discharged, the mine tailing formed after the ore dressing in simultaneously a large amount of mine, pile up like a mountain, cannot effectively utilize, and thus needs the scheme finding its economic utilization.
How economic large solar photovoltaic power plant, owing to needing to take a lot of soils, is thus all built in remote area, which increases cost and the electric loss of transmission, thus need to solve use Land.
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 photovoltaic and photothermal accumulation of heat electric heating co-generation system, extensive, low cost, high efficiency, Solar use across season can be realized, the present invention adopts low-temperature solar acquisition system and photovoltaic acquisition system, belong to the solar energy system of Nontracking, by the thermal energy storage after solar energy acquisition in accumulation of heat, electric energy and heat energy are gathered simultaneously, has saved soil, the efficiency of photovoltaic can be improved simultaneously.
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, around solar energy power generating is arranged on or cavity top, 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 photovoltaic and photothermal accumulation of heat electric heating co-generation system, comprise heat-storing material, solar low-temperature acquisition system, heat pipe, insulation material, housing etc., is characterized in that:
Comprise the container of at least one cavity, 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 outside of container, 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 cavity 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 cavity and the outside device using heat energy.
C, heat-storing material to be incubated, to use across season.
Container is arranged on more than ground, and the outer setting of container has insulation material, forms a wall body structure;
Also be provided with solar-energy photo-voltaic cell, solar energy is converted to electric energy, solar-energy photo-voltaic cell is arranged in the non-solar low temperature pickup area around solar low-temperature acquisition system or at body of wall top;
Solar low-temperature acquisition system and photovoltaic acquisition system form solar cogeneration system jointly.
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.
Described container is provided as the body of wall of a building on ground, container prolong North and South direction or east-west direction construction, for the body of wall built according to North and South direction, its solar low-temperature acquisition system is arranged on the east or the west of body of wall, and in the east and west; For the body of wall that east-west direction is built, its solar low-temperature acquisition system is arranged on the south of body of wall.
Solar-energy photo-voltaic cell is selected from following one:
A, monocrystaline silicon solar cell;
B, polysilicon solar cell;
C, non-crystal silicon solar cell;
D, multi-element compounds solar cell;
E, flexible solar battery.
A photovoltaic heat exchanger is set at the back of solar panel, photovoltaic heat exchanger and solar photovoltaic cell panel close contact are also positioned at its back, fluid heats by photovoltaic heat exchanger, reduce simultaneously and keep the temperature of solar photovoltaic power plant, reduce its temperature in summer, increase its temperature winter.
First Heat Exchanger part or the second heat exchanger or photovoltaic heat exchanger are selected from following one:
A, heat pipe heat exchanging, the evaporation ends of heat pipe is arranged on solar energy acquisition position, the outside of body of wall, and condensation end is arranged in accumulator tank, 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 pipe adopt in gravity assisted heat pipe, circulating heat pipe, self-oscillation heat pipe, separating heat tube one or more.
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.
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; 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, or subsurface arranges an accumulator tank, is stored by heat-storing material, uses in order to current use or across season.
Insulation material is selected to arrange one or more a bit: the low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation system or multiple of nano microsphere, silicon powder, vacuum layer, polyurethane, polyphenyl, perlite, glass fibre, insulating cement.
  
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 realizes photovoltaic and photothermal complementary utilization;
3, the present invention effectively can utilize soil, solar energy acquisition part and accumulation of heat partial design is become building wall, effectively can be combined as a whole with building;
4, the present invention can realize mobile accumulation of heat, and place storage heater being moved to needs realizes collection and the utilization of heat energy.
The present invention can be applied to the multiple application such as solar low-temperature heat utilization.
Accompanying drawing explanation
Fig. 1 is fluid heat transfer low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation system schematic diagram;
Fig. 2 is heat pipe heat exchanging low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation system schematic diagram;
Fig. 3 is building integrated low-temperature photovoltaic and photothermal solar accumulation of heat electric heating co-generation system schematic diagram;
Fig. 4 is underground low temperature photovoltaic and photothermal solar accumulation of heat electric heating co-generation system schematic diagram.
  
Number in the figure implication:
1: import, 2: outlet, 3: container, 4: heat-storing material, 5: the second heat exchangers 6: solar low-temperature acquisition system, 7: First Heat Exchanger, 8: heat pipe, 9: building, 10: Heat Storing Wall, 11: soil, 12: solar-energy photo-voltaic cell, 13: photovoltaic heat exchanger.
Detailed description of the invention
Embodiment 1, fluid heat transfer low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation system
Comprise container 3 shown in Fig. 1, in container 3, be provided with heat-storing material 4, comprise at least two group plate solar acquisition systems 6, plate solar collecting part 6 is arranged on the outside 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 the repeated multiple times circulation in pipeline repeatedly in heat-storing material of plate solar acquisition system below, achieve the heat exchange with heat-storing material 4, 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 is by gold mine abandoned mine 70%(200 object mine tailing), slag 30% mixes, 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.
On the tip position of container, be provided with two solar-energy photo-voltaic cell blocks 12, adopt polycrystalline silicon battery plate, the bottom of each cell panel is provided with photovoltaic heat exchanger 13, during summer operation, by the fluid of low temperature by photovoltaic heat exchanger 13, the temperature of cell panel is reduced, improve the efficiency of cell panel, the waste heat of cell panel is reclaimed simultaneously, and then transport fluid on low-temperature solar collector and further heat; During winter operation, start to utilize the heat energy of fluid and storage heater to heat for cell panel, after reaching temperature, electron plate starts normal work, if temperature exceedes design temperature after work, uses fluid to lower the temperature for it, ensures the normal working temperature of cell panel.Such photovoltaic and photothermal complementary, realize efficient Solar use.
In container, be provided with the second heat exchanger 5, second heat exchanger be one and bilaterally have the flat pipelines composition of four an of tube connector, fluid enters 1 from the entrance at top, through with storage heater heat exchange after flow out from outlet 2, realize heat energy to utilize.
  
Embodiment 2, low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation system
Comprise container 3 shown in Fig. 2, in container 3, be provided with heat-storing material 4; Comprise at least two group solar energy vacuum tube heat pipe acquisition systems 6, solar energy vacuum tube heat pipe collecting part 6 is arranged on the outside 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 the mode of heat pipe heat exchanging, and the evaporation ends of heat pipe is arranged in solar collector 6, its condensation end to be arranged in container and with heat-storing material 4 compact siro spinning technology;
Heat-storing material selects slag 70%, iron oxide 10%, and heat conduction cement 20% forms.
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.
On the tip position of container, be provided with two solar-energy photo-voltaic cell blocks 12, adopt polycrystalline silicon battery plate, the bottom of each cell panel is provided with photovoltaic heat exchanger 13, during summer operation, by the fluid of low temperature by photovoltaic heat exchanger 13, the temperature of cell panel is reduced, improve the efficiency of cell panel, the waste heat of cell panel is reclaimed simultaneously, and then transport fluid on low-temperature solar collector and further heat; During winter operation, start to utilize the heat energy of fluid and storage heater to heat for cell panel, after reaching temperature, electron plate starts normal work, if temperature exceedes design temperature after work, uses fluid to lower the temperature for it, ensures the normal working temperature of cell panel.Such photovoltaic and photothermal complementary, realize efficient Solar use.
The second heat exchanger 5 is provided with in container, second heat exchanger is made up of six gravity assisted heat pipes, the evaporator section of heat pipe arrange in a reservoir and with heat-storing material 4 close contact, the fluid of the second heat exchanger enters 1 from the entrance at top, again through exporting 2 outflows, realize heat energy to utilize.
  
Embodiment 3, building integrated low-temperature photovoltaic and photothermal solar accumulation of heat electric heating co-generation system
Container 3 is comprised shown in Fig. 3, container is arranged on the southern side of the building 9 of 9 layers, forms a Heat Storing Wall 10, and Heat Storing Wall is made up of 7 layer solar vacuum tube acquisition systems, every layer solar acquisition system is provided with First Heat Exchanger, in the Heat Storing Wall of container 3, be provided with heat-storing material 4; Comprise much more at least group solar energy vacuum tube heat pipe acquisition systems 6, solar energy vacuum tube heat pipe collecting part 6 is arranged on the outside of Heat Storing Wall 10, 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 heat pipe heat exchanging, and the evaporation ends of heat pipe is arranged in solar collector 6, its condensation end to be arranged in container and with heat-storing material 4 compact siro spinning technology;
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.
The second heat exchanger 5 is provided with in container, second heat exchanger is made up of every layer of volume floor heating tube of 9 layers, every layer of independence and heat-storing material carry out heat exchange, and heat-storing material adopts iron ore powdered tailings 30%, scum 30%, coal ash 20%, heat conduction cement 10%, iron oxide 10% forms, and the fluid intake of the second heat exchanger enters 1, again through exporting 2 outflows, realize heat energy to utilize.
Two solar-energy photo-voltaic cell blocks 12 are provided with at the top of building, adopt polycrystalline silicon battery plate, the bottom of each cell panel is provided with photovoltaic heat exchanger 13, during summer operation, by the fluid of low temperature by photovoltaic heat exchanger 13, the temperature of cell panel is reduced, improves the efficiency of cell panel, the waste heat of cell panel is reclaimed simultaneously, and then transport fluid on low-temperature solar collector and further heat; During winter operation, start to utilize the heat energy of fluid and storage heater to heat for cell panel, after reaching temperature, electron plate starts normal work, if temperature exceedes design temperature after work, uses fluid to lower the temperature for it, ensures the normal working temperature of cell panel.Such photovoltaic and photothermal complementary, realize efficient Solar use
This Heat Storing Wall 10 can gather in summer, and by inner for the heat-storing material of thermal energy storage in Heat Storing Wall, use in winter, thus can realize across using on a large scale season.
  
Embodiment 4, underground low temperature photovoltaic and photothermal solar accumulation of heat electric heating co-generation system
Comprise container 3 shown in Fig. 4, 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 iron ore powdered tailings 30%, scum 30%, heat conduction cement 40%, 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.
Earth's surface is provided with two solar-energy photo-voltaic cell blocks 12, adopt polycrystalline silicon battery plate, the bottom of each cell panel is provided with photovoltaic heat exchanger 13, during summer operation, by the fluid of low temperature by photovoltaic heat exchanger 13, the temperature of cell panel is reduced, improves the efficiency of cell panel, the waste heat of cell panel is reclaimed simultaneously, and then transport fluid on low-temperature solar collector and further heat; During winter operation, start to utilize the heat energy of fluid and storage heater to heat for cell panel, after reaching temperature, electron plate starts normal work, if temperature exceedes design temperature after work, uses fluid to lower the temperature for it, ensures the normal working temperature of cell panel.Such photovoltaic and photothermal complementary, realize efficient Solar use.
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.
[0042]

Claims (10)

1. low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation system, comprises heat-storing material, solar low-temperature acquisition system, heat pipe, insulation material, and housing etc., is characterized in that:
Comprise the container of at least one cavity, 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 outside of container, 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 cavity 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 cavity and the outside device using heat energy;
C, heat-storing material to be incubated, to use across season;
Container is arranged on more than ground, and the outer setting of container has insulation material, forms a wall body structure;
Also be provided with solar-energy photo-voltaic cell, solar energy is converted to electric energy, solar-energy photo-voltaic cell is arranged in the non-solar low temperature pickup area around solar low-temperature acquisition system or at body of wall top;
Solar low-temperature acquisition system and photovoltaic acquisition system form solar cogeneration system jointly.
2. low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation 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. low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation system according to claim 1 and 2, it is characterized in that: described container is provided as the body of wall of a building on ground, container prolong North and South direction or east-west direction construction, for the body of wall built according to North and South direction, its solar low-temperature acquisition system is arranged on the east or the west of body of wall, and in the east and west; For the body of wall that east-west direction is built, its solar low-temperature acquisition system is arranged on the south of body of wall.
4. low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation system according to claim 1, is characterized in that: solar-energy photo-voltaic cell is selected from following one:
A, monocrystaline silicon solar cell;
B, polysilicon solar cell;
C, non-crystal silicon solar cell;
D, multi-element compounds solar cell;
E, flexible solar battery;
A photovoltaic heat exchanger is set at the back of solar panel, photovoltaic heat exchanger and solar photovoltaic cell panel close contact are also positioned at its back, fluid heats by photovoltaic heat exchanger, reduce simultaneously and keep the temperature of solar photovoltaic power plant, reduce its temperature in summer, increase its temperature winter.
5. low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation system according to claim 1, is characterized in that: First Heat Exchanger part or the second exchange piece or photovoltaic heat exchanger are selected from following one:
A, heat pipe heat exchanging, the evaporation ends of heat pipe is arranged on solar energy acquisition position, the outside of body of wall, and condensation end is arranged in accumulator tank, 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 photovoltaic and photothermal accumulation of heat electric heating co-generation 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;
Described heat pipe adopt in gravity assisted heat pipe, circulating heat pipe, self-oscillation heat pipe, separating heat tube one or more.
7. low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation system according to claim 1 or 5, 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.
8. low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation 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; 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 the grains of sand, cobblestone, finger stone that nature exists, and the shape of solid grain block is circle, polygon, rhombus, fan-shaped, irregular present situation.
9. low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation 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, or subsurface arranges an accumulator tank, heat-storing material is stored, uses in order to current use or across season.
10. low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation 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 photovoltaic and photothermal accumulation of heat electric heating co-generation system or multiple of nano microsphere, silicon powder, vacuum layer, polyurethane, polyphenyl, perlite, glass fibre, insulating cement.
CN201310573686.9A 2013-11-17 2013-11-17 Low-temperature solar photovoltaic photo-thermal storage electricity and heat cogeneration system Pending CN104654615A (en)

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CN102374809A (en) * 2010-08-09 2012-03-14 刘阳 Heat storage device
CN102415298A (en) * 2011-10-28 2012-04-18 北京工业大学 Sunlight greenhouse composite wall construction system
CN102563960A (en) * 2010-12-20 2012-07-11 新奥科技发展有限公司 Solar combined cooling, heating and power system
CN202483028U (en) * 2011-08-05 2012-10-10 华北电力大学 High-efficiency solar phase-change heat-storing heat-collecting wall
CN202647966U (en) * 2012-06-27 2013-01-02 南郁森 Solar wall heating and cooling system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102374809A (en) * 2010-08-09 2012-03-14 刘阳 Heat storage device
CN102563960A (en) * 2010-12-20 2012-07-11 新奥科技发展有限公司 Solar combined cooling, heating and power system
CN202483028U (en) * 2011-08-05 2012-10-10 华北电力大学 High-efficiency solar phase-change heat-storing heat-collecting wall
CN102415298A (en) * 2011-10-28 2012-04-18 北京工业大学 Sunlight greenhouse composite wall construction system
CN202647966U (en) * 2012-06-27 2013-01-02 南郁森 Solar wall heating and cooling system

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