CN104654622A - Low temperature solar energy-collecting double-chamber heat accumulation wall system - Google Patents
Low temperature solar energy-collecting double-chamber heat accumulation wall system Download PDFInfo
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- CN104654622A CN104654622A CN201310573592.1A CN201310573592A CN104654622A CN 104654622 A CN104654622 A CN 104654622A CN 201310573592 A CN201310573592 A CN 201310573592A CN 104654622 A CN104654622 A CN 104654622A
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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
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Abstract
The utility model provides a low temperature solar energy-collecting double-chamber heat accumulation wall system storing heat energy after solar energy collection into a heat storage device to achieve large scale storage and further utilization. The low temperature solar energy-collecting double-chamber heat accumulation wall system comprises at least two cavities, including one heat accumulation cavity and one heat exchanging cavity, at least one group of solar energy low temperature collection system outside the cavities and provided with a first heat exchanging component to complete heat exchange between the solar energy low temperature collection system and the heat accumulation cavity and the heat exchanging cavity and with a second heat exchanging component to achieve heat exchange between the heat accumulation cavity and the heat exchanging cavity, and heat exchange between the external components utilizing heat energy. Solar energy collection is built into a wall body structure so as to provide a system suitable for large scale solar energy collection and storage; and the solar energy low temperature collection part is arranged on one side of the wall body and heat accumulation material is disposed in the cavities, so heat energy collection and storage can be integrated.
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 two-chamber Heat Storing Wall 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, by the thermal energy storage after solar energy acquisition in storage heater, realize large-scale storage, and then utilize.
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.
Concrete summary of the invention is as follows:
Low-temperature solar energy gathers two-chamber Heat Storing Wall system, and comprise heat-storing material, solar low-temperature acquisition system, heat pipe, insulation material, housing, insulation material etc., is characterized in that:
Comprise at least one and contain two cavitys, one of them cavity is accumulator tank, and one is heat exchange cavity;
And comprise at least one group of solar low-temperature acquisition system, be arranged on the outside of cavity, be provided with First Heat Exchanger part and complete solar low-temperature acquisition system and the heat exchange between accumulator tank and heat exchange cavity, and be provided with the second exchange piece, complete accumulator tank and heat exchange cavity heat exchange or and the outside device using heat energy between heat exchange;
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, and thermal energy exchange uses heat energy or exchange to complete use to external devices to heat exchange chamber by the second exchange piece by the heat-storing material of thermal indoor;
Accumulator tank and heat exchange cavity are arranged on more than ground, and the outer setting of accumulator tank and heat exchange cavity has insulation material, form a wall body structure.
After reaching design temperature after the heat-storing material of thermal indoor and the heat exchange of solar energy acquisition systems stay, one of following scheme is adopted to operate:
A, heat-storing material unloaded from accumulation of heat accumulator tank and heat exchange cavity set out heat exchange cavity; And the heat-storing material of low temperature is encased in continuation collection in accumulator tank;
B, by the second exchange piece, complete the heat exchange between accumulator tank and the outside device using heat energy.
C, heat exchange chamber are greater than accumulation of heat chamber, and be switched directly to heat exchanging chamber indoor after the heat energy of solar energy acquisition being reached the temperature of setting and store, the heat energy of multi collect and exchange is directly switched in heat exchanger, so that current or use across season;
D, arrange a mobile storage heater, mobile storage heater is carried out heat exchange by the second exchange piece and heat exchange cavity, and the place that heat energy can be transported to needs uses;
E, subsurface arrange an accumulator tank, store after the thermal energy exchange of heat exchange cavity, use in order to current use or 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.
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 accumulator tank and heat exchange cavity are provided as the body of wall of a building on ground, accumulator tank and heat exchange cavity 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.
The solar energy coating collection terminal of solar low-temperature acquisition system is arranged on the outside of body of wall accumulator tank and heat exchange cavity, and composition is arranged according to the angle of local dimension, its other one section is arranged in accumulator tank and heat exchange cavity accumulator tank, and carries out heat exchange with accumulator tank.
First Heat Exchanger part or the second exchange piece 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.
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.
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 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;
3, 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 that fluid circulation low-temperature solar energy gathers two-chamber Heat Storing Wall system schematic;
Fig. 2 is fluid heat pipe heat exchanging solar energy acquisition two-chamber Heat Storing Wall system schematic;
Fig. 3 is that building integral solar energy gathers two-chamber Heat Storing Wall system schematic.
Number in the figure implication:
1: import, 2: outlet, 3: housing, 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: the second cavity heat exchange cavitys, 12: the first cavity accumulator tank, 13, building building floor heating system.
Detailed description of the invention
Embodiment 1, fluid circulation low-temperature solar energy gather two-chamber Heat Storing Wall system
Comprise accumulator tank 12 and heat exchange cavity 11 shown in Fig. 1, in accumulator tank 12, 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 accumulator tank and heat exchange cavity, is provided with First Heat Exchanger part 7 and completes heat exchange in solar low-temperature acquisition system and accumulator tank 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 accumulator tank in addition, and with heat-storing material 4 close contact in accumulator tank, 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 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 accumulator tank and heat exchange cavity, second heat exchanger is bilateral four flat pipeline compositions with a tube connector, second heat exchanger 5 is connected with heat exchange cavity, fluid enters 1 from the entrance at top, through with storage heater heat exchange after flow out from outlet 2, realize that heat energy and heat exchange cavity are carried out exchange and utilize.Heat exchange cavity is a transportable storage heater, by the thermal energy exchange of collection after the storage heater of heat exchange cavity, heat energy is moved to required region, realizes the utilization of heat energy.
Embodiment 2, fluid heat pipe heat exchanging low-temperature solar energy two-chamber Heat Storing Wall system
Comprise accumulator tank 12 and heat exchange cavity 11 shown in Fig. 2, in accumulator tank, 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 accumulator tank and heat exchange cavity, is provided with First Heat Exchanger part 7 and completes heat exchange in solar low-temperature acquisition system and accumulator tank 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 accumulator tank 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 accumulator tank and heat exchange cavity, second heat exchanger is made up of six gravity assisted heat pipes, the evaporator section of heat pipe to be arranged in accumulator tank and with heat-storing material 4 close contact, the condensation segment of heat pipe is arranged in heat exchange cavity 11, heat energy after gathering is completed heat exchange with the heat pipe of heat exchange cavity 11 as the second exchange piece by the connection accumulator tank 12 arranged, etc. when needing the heat energy making storage heater, the inside of the second accumulator tank and heat exchange cavity is entered into by fluid, carry out heat exchange with the condensation segment of heat pipe, the locality realizing heat energy uses.
Embodiment 3, building integrated low-temperature solar energy two-chamber Heat Storing Wall system
The Heat Storing Wall 10 of accumulator tank 12 and heat exchange cavity 11 composition is comprised shown in Fig. 3, accumulator tank and heat exchange cavity are arranged on the southern side of the building 9 of 9 layers, form a Heat Storing Wall 10, 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 accumulator tank 11, 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 accumulator tank 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 accumulator tank and with heat-storing material 4 compact siro spinning technology;
Accumulator tank 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.
Be provided with heat exchange cavity 11, heat exchange cavity is arranged near accumulator tank, the second heat exchanger 5 is provided with in heat exchange cavity, one end of second heat exchanger and heat-storing material carry out heat exchange, every layer of floor heating system 13 of one end and 9 layers carries out heat exchange in addition, heat-storing material adopts the composition such as paraffin and solid particles of sand, is realized the utilization of heat energy by the fluid heat transfer be arranged in heat exchange cavity.
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.
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 gathers two-chamber Heat Storing Wall system, and comprise heat-storing material, solar low-temperature acquisition system, heat pipe, insulation material, housing etc., is characterized in that:
Comprise at least one and contain two cavitys, one of them cavity is accumulator tank, and one is heat exchange cavity;
And comprise at least one group of solar low-temperature acquisition system, be arranged on the outside of cavity, be provided with First Heat Exchanger part and complete heat exchange between solar low-temperature acquisition system and accumulator tank, and be provided with the second exchange piece, complete accumulator tank and heat exchange cavity heat exchange or and the outside device using heat energy between heat exchange;
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, and thermal energy exchange uses heat energy or exchange to complete use to external devices to heat exchange chamber by the second exchange piece by the heat-storing material of thermal indoor;
Accumulator tank and heat exchange cavity are arranged on more than ground, and the outer setting of accumulator tank and heat exchange cavity has insulation material, form a wall body structure.
2. low-temperature solar energy according to claim 1 gathers two-chamber Heat Storing Wall system, it is characterized in that: after reaching design temperature after the heat-storing material in accumulator tank with the heat exchange of solar energy acquisition systems stay, and one of employing following scheme operates:
A, heat-storing material unloaded from accumulator tank set out heat exchange cavity; And the heat-storing material of low temperature is encased in continuation collection in accumulator tank;
B, by the second exchange piece, complete the heat exchange between accumulator tank and the outside device using heat energy;
C, heat exchange cavity are greater than accumulator tank, be switched directly in heat exchange cavity and store after the heat energy of solar energy acquisition being reached the temperature of setting, and the heat energy of multi collect and exchange is directly switched in heat exchanger, so that current or use across season;
D, arrange a mobile storage heater, mobile storage heater is carried out heat exchange by the second exchange piece and heat exchange cavity, and the place that heat energy can be transported to needs uses;
E, subsurface arrange an accumulator tank, store after the thermal energy exchange of heat exchange cavity, use in order to current use or across season.
3. low-temperature solar energy according to claim 1 gathers two-chamber Heat Storing Wall system, it 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.
4. the low-temperature solar energy according to claim 1 or 3 gathers two-chamber Heat Storing Wall system, 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.
5. low-temperature solar energy according to claim 1 and 2 gathers two-chamber Heat Storing Wall system, it is characterized in that: described accumulator tank and heat exchange cavity are provided as the body of wall of a building on ground, accumulator tank and heat exchange cavity 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.
6. low-temperature solar energy according to claim 1 gathers two-chamber Heat Storing Wall system, it is characterized in that: the solar energy coating collection terminal of solar low-temperature acquisition system is arranged on the outside of body of wall accumulator tank and heat exchange cavity, and composition is arranged according to the angle of local dimension, its other one section is arranged in accumulator tank and heat exchange cavity accumulator tank, and carries out heat exchange with accumulator tank.
7. low-temperature solar energy according to claim 1 gathers two-chamber Heat Storing Wall system, it is characterized in that: First Heat Exchanger part or the second exchange piece 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.
8. low-temperature solar energy according to claim 1 or 7 gathers two-chamber Heat Storing Wall system, it 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.
9. low-temperature solar energy according to claim 3 or 7 gathers two-chamber Heat Storing Wall system, it is characterized in that: described heat pipe adopt in gravity assisted heat pipe, circulating heat pipe, self-oscillation heat pipe, separating heat tube one or more.
10. low-temperature solar energy according to claim 1 gathers two-chamber Heat Storing Wall system, it 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 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310573592.1A CN104654622A (en) | 2013-11-17 | 2013-11-17 | Low temperature solar energy-collecting double-chamber heat accumulation wall system |
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| CN201310573592.1A CN104654622A (en) | 2013-11-17 | 2013-11-17 | Low temperature solar energy-collecting double-chamber heat accumulation wall system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518014A (en) * | 2018-04-26 | 2018-09-11 | 东阳市天杨建筑工程设计有限公司 | Composite building thermal insulation building block |
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Application publication date: 20150527 |