CN104654616A - Two-cavity fluid focusing solar light heat heating, transferring, storing system - Google Patents
Two-cavity fluid focusing solar light heat heating, transferring, storing system Download PDFInfo
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- CN104654616A CN104654616A CN201310572822.2A CN201310572822A CN104654616A CN 104654616 A CN104654616 A CN 104654616A CN 201310572822 A CN201310572822 A CN 201310572822A CN 104654616 A CN104654616 A CN 104654616A
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
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Abstract
The invention provides a two-cavity fluid focusing solar light heat heating, transferring, storing system. High-temperature, large-scale, low-cost and high-efficiency heat storage can be achieved, and the system is suitable for storing heat at the temperature ranging from 10 DEG C to 1500 DEG C. A solar focusing collection system collects heat energy, then, heat exchange is carried out through fluid and a heat storage device, and finally the heat energy is transmitted to the heat storage device; the heat storage device at least is provided with a heat storage cavity and a heat exchange cavity; fluid which performs heat exchange with the solar collection system is first fluid, and the first fluid enters from an inlet of the heat exchange cavity to flow out of an outlet after heat exchange between the first fluid and the heat storage device is completed, and then enters a light-heat converter to be heated along a heat transferring pipe, so that the heat energy collected by the solar focusing collection system is conveyed to the heat storage device; and when the heat energy in the heat storage device needs to be utilized, second fluid flows into the heat storage device from an inlet of the heat exchange cavity. After heat exchange is carried out between the second fluid and the heat storage material, the second fluid flows out of an outlet of the heat exchange cavity, and the heat energy is utilized.
Description
Technical field
The present invention relates to heat energy utilization, particularly utilize focused solar energy acquisition system to realize heat energy collection transmission accumulation of heat exchange and utilize system.
Background technology
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.
Heat pipe has use in storage heater, but only there is 3-7 in the existing hot pipe technique life-span, is difficult to ensure, in solar energy and the accumulation of heat heating field life-span of 30 years, thus existing hot pipe technique to be applied to storage heater.
But because solar power station and large-scale heating field need large-scale accumulation of heat and heat exchanger, only utilize outside metal tube, cannot realize the ground temperature difference, large-scale accumulation of heat and heat exchange, thus need a kind of hot pipe technique of improvement.
Summary of the invention
The object of this invention is to provide a kind of two chamber fluid focus solar energy optical-thermal heating heat transfer hold over systems being suitable for focused solar energy heat utilization, the present invention is provided with two chambers, heat exchange chamber and accumulation of heat chamber, heat exchange chamber directly and solar focusing sampler carry out heat exchange, accumulation of heat chamber carries out thermal energy storage, is realized the utilization of solar energy by the heat exchange of heat exchange chamber.
Two chamber fluid focus solar energy optical-thermals heating heat transfer hold over systems of the present invention, can realize high temperature, extensive, low cost, high efficiency accumulation of heat, and be suitable for the accumulation of heat of the temperature of 10-1500 degree.
Concrete summary of the invention is as follows:
Two chamber fluid focus solar energy optical-thermal heating heat transfer hold over systems, comprise heat-storing material, housing, solar focusing acquisition system, insulation material, fluids etc., is characterized in that: form one group of solar focusing acquisition system by solar focusing sampler, photothermal converter, heat-transfer pipe, fluid, cycle power device, storage heater, tracing control device; Photothermal converter is connected with sampler, and be fixed on sampler, the solar focusing of sampler is on photothermal converter, heat-transfer pipe is connected with photothermal converter, after fluid is sent to the focus position of photothermal converter by heat-transfer pipe, fluid is heated, fluid after heating enters into the heat absorption position of the storage heater being arranged on ground along heat-transfer pipe, through carrying out heat exchange with storage heater, heat energy is passed to storage heater, fluid circulates along heat-transfer pipe under cycle power device drives, and heat energy is passed to storage heater by photothermal converter.
Storage heater is for be at least provided with two chambers, one is accumulation of heat chamber, one is heat exchange chamber, heat exchange chamber is provided with at least one group of import and outlet, the fluid carrying out heat exchange with solar energy acquisition system is first fluid, first fluid from heat exchange chamber inlet enter complete heat exchange with storage heater after flow out from exporting, heated entering into photothermal converter along heat-transfer pipe, thus the heat energy of solar focusing acquisition system collection be transported in storage heater.
Thermal indoor are provided with heat-storing material, heat energy is stored.
Storage heater in local accumulation of heat or can be moved to the area needing to utilize heat energy.
When needing the heat energy utilized in storage heater, temperature being flowed into storage heater lower than the second fluid of the temperature of heat-storing material from the import of heat exchange chamber, goes out through heat exchange chamber outlet flow again after second fluid and heat-storing material carry out heat exchange, realize the utilization of heat energy.
After the heat energy of storage heater is utilized, the storage heater moving to other regions is moved in solar energy acquisition system and carries out acquisition zone, or again utilize solar focusing acquisition system to heat first fluid the first fluid of the storage heater in pickup area, for the heat-storing material in storage heater heats, realize solar energy acquisition heating heat transfer accumulation of heat.
Many groups solar energy acquisition system is connected with a central storage heater jointly, and the heat energy multiple acquisition system gathered carries out Integrated predict model, realizes extensive powerful application.
Described central storage heater is provided with multiple heat exchange chamber, multiple heat exchange chamber by one, the container composition of one or more accumulation of heat chamber; Each heat exchange chamber is provided with at least one group of import and outlet, the first fluid of many groups solar energy acquisition system from multiple heat exchange chamber inlet enter complete heat exchange with storage heater after flow out from exporting, enter into along heat-transfer pipe the photothermal converter often organizing solar energy acquisition system again to be heated, thus the heat energy organizing solar energy acquisition system is transported in storage heater more.
Central authorities' storage heater carries out heat release behind region that is local or that be moved to setting, second fluid enters into the heat exchange chamber of central storage heater respectively or simultaneously, after completing heat exchange with the heat-storing material of thermal indoor, second fluid enters into solar energy application system, realizes the application of heat energy;
Application system comprise generating set, motor unit, heating or refrigeration unit, chemical cell one or more.
Heat-storing material is selected from following at least one or multiple: fuse salt, liquid metal, solid grain block, concrete, sandstone or cobblestone, slag or scum, heat conduction cement, phase-change material.
The heat-storing material of the first fluid of heat exchanging chamber indoor and the second fluid of heat exchange chamber and thermal indoor, carries out heat exchange by one of following manner:
A, fluid line heat exchange: each heat exchanging chamber chamber interior import and outlet between be also provided with multiple pipeline, for fluid heat transfer pipeline, pipeline is made up of metal and nonmetal and compound pipeline complex pipeline, the import of the import of pipeline and outlet and heat exchanging chamber chamber interior and outlet be interconnected, fluid can be flowed in pipeline;
B, heat pipe heat exchanging: adopt gravity assisted heat pipe or circulating heat pipe, be arranged on heat exchange chamber at the evaporator section of heat exchange chamber gravity assisted heat pipe, condensation segment is arranged on accumulation of heat chamber; Be arranged on accumulation of heat chamber at the evaporator section of heat exchange chamber gravity assisted heat pipe, condensation segment is arranged on heat exchange chamber; Partial shell for circulating heat pipe heat pipe is arranged on heat exchange chamber or heat exchange chamber, and remainder is arranged on accumulation of heat chamber.
Described fluid heat transfer pipeline is selected from following one or combination:
A, helix tube;
The inside of B, pipeline or and outer wall be provided with heat exchange fin;
C, bending pipeline;
The pipeline that D, its diameter can change;
The outer wall of E, pipeline is provided with can with the interconnective concaveconvex structure of solid grain block;
F, pipeline by different metal composite;
Interior or the outer wall of G, pipeline is provided with corrosion-inhibiting coating.
Solar focusing sampler adopt any focus tracking system can, but usually adopt dish-style, slot type, tower in one or more.
Fluid be following one or more: fuse salt, liquid (moisture or conduction oil), gas (containing air), liquid metal, plasma state, overcritical body.
Described liquid metal is following one or more or its compound: mercury, caesium, gallium, rubidium, potassium, sodium, indium, lithium, tin, bismuth, thallium, and cadmium is plumbous, zinc, antimony, magnesium, aluminium.
Adopt technical scheme of the present invention can produce following beneficial effect:
1, the present invention realizes the regenerative heat exchange in large-scale, high-efficiency of solar focusing heat utilization, realizes the thermal energy storage of 10-1500 degree, safe and reliable;
2, the present invention adopts recoverable heat Manifold technology, make the life-span of heat pipe can extend to 30 years even higher, only need the working media of more heat exchanger tube.
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.
4, the present invention can be applied to solar energy and the multiple application such as underground heat, photovoltaic, wind-powered electricity generation, living beings with its complementation.
Accompanying drawing explanation
Fig. 1 is heat pipe two chamber fluid focus solar energy optical-thermal heating heat transfer hold over system schematic diagram.
Fig. 2 is two chamber fluid focus solar energy optical-thermal heating heat transfer hold over system schematic diagrames.
Fig. 3 is mobile two chamber fluid focus solar energy optical-thermal heating heat transfer hold over system schematic diagrames.
Number in the figure implication:
1: heat-storing material import, 2: heat-storing material exports, 3: heat exchange chamber inlet, 4: heat exchange chamber outlet, 5: heat pipe regenerating tube 6: heat-storing material cavity, 7: heat exchange chamber, 8: compartment spacers, 9: solar focusing acquisition system, 10: heat-storing material, 11; Haulage vehicle, 12: fluid line heat exchanger tube, 13: heat pipe.
Detailed description of the invention
Embodiment 1, heat pipe two chamber fluid focus solar energy optical-thermal heating heat transfer hold over system
A container containing two cavitys shown in Fig. 1, one of them heat exchange chamber 7, is provided with fluid inlet and outlet 3,4; Heat-storing material cavity 6; Be provided with import and export 1,2;
One end of heat pipe 13 is arranged on heat exchange chamber 7, and the other end is arranged in heat-storing material cavity 6, and carries out compact siro spinning technology with heat-storing material 10, and with the heat exchange of heat-storing material 10,
In heat-storing material cavity 6, be provided with heat-storing material 10, heat-storing material 10 is packed in whole heat-storing material cavity 6;
There are the import and export of fluid at heat exchange chamber 11 and accumulation of heat chamber 6, heat-storing material cavity 6 is provided with import and export, heat-storing material 10 can be placed in cavity or take out;
Have insulation material in the outside of container, the outer setting of insulation material has casing;
In heating process, temperature is entered container higher than the hot fluid after the solar energy acquisition of heat-storing material 10 from the import 3 of heat exchange chamber, through with heat pipe heat exchanging after flow out from heat exchange chamber outlet 4, heat energy is by carrying out heat exchange with heat-storing material 10 in adopting heat pipes for heat transfer to heat-storing material cavity 6, and the heat energy of heat-storing material 10 is switched in fluid and carries out accumulation of heat;
Storage heater may be used in local accumulation of heat or the area being moved to needs;
When needing the heat energy utilized in storage heater, the heat release fluid of temperature lower than heat-storing material 10 is flowed into from the import 3 of heat exchange chamber, heat energy is absorbed through exporting 4 outflows after heat release fluid and heat release heat pipe carry out heat exchange, heat energy and the heat release fluid of heat release heat pipe absorption heat-storing material 10 carry out heat exchange, realize the utilization of heat energy.
In storage heater charging process, the evaporation ends of gravity assisted heat pipe is indoor at heat exchanging chamber, and in exothermic process, the condensation end of heat pipe is arranged on heat exchanging chamber indoor, needs upset storage heater being carried out 180 degree, to complete heat exchange.
On liquid level one upper/lower positions of the evaporation ends of heat pipe, arrange one with the regenerating tube 5 of the mutual UNICOM of each heat pipe, regenerating tube is connected with each heat pipe, when work medium for heat pipe can not meet the heat exchange efficiency of setting, open heat pipe regeneration chamber, from the heat pipe regeneration tube connector arranged, the working media in heat pipe is discharged, after by new working medium loading to inside heat pipe, and it is airtight to keep vacuum to carry out, thus realize the regeneration of heat pipe, ensure that the life-span of heat pipe can reach 30 years.
In the present embodiment, the fuse salt that heat-storing material 10 adopts potassium nitrate 70% and sodium nitrate 30% to form, heating-up temperature is 500 degree, add hot fluid and adopt gaseous air, hot-air is added to the high temperature air of 900 degree by solar energy dish-style system acquisition, heat release fluid adopts water, and heat pipe adopts high temperature gravity assisted heat pipe, and its working media adopts the mixture of potassium 60% and sodium 40%.
Embodiment 2, two chamber fluid focus solar energy optical-thermal heating heat transfer hold over system
By the container of two cavitys shown in Fig. 2, one of them heat exchange chamber 7, is provided with fluid inlet and outlet 3,4; Heat-storing material cavity 6; Be provided with import and export 1,2;
Adopt fluid heat transfer pipeline to carry out heat exchange between heat exchange chamber and accumulation of heat chamber, the import UNICOM of heat exchange pipeline and heat exchange chamber, and make a part be arranged on thermal indoor and carry out heat exchange with accumulation of heat chamber; Outlet is connected with accumulation of heat chamber outlet.
In heat-storing material cavity 6, be provided with heat-storing material 10, heat-storing material 10 is packed in whole heat-storing material cavity 6;
There are the import and export of fluid at heat exchange chamber 7 and accumulation of heat chamber 6, heat-storing material cavity 6 is provided with import and export, heat-storing material 10 can be placed in cavity or take out;
Have insulation material in the outside of container, the outer setting of insulation material has casing;
One group of solar focusing acquisition system is formed by solar focusing sampler, photothermal converter, heat-transfer pipe, fluid, cycle power device, storage heater, tracing control device; The solar focusing of sampler is on photothermal converter, heat-transfer pipe is connected with photothermal converter, after fluid is sent to the focus position of photothermal converter by heat-transfer pipe, fluid is heated, fluid after heating enters into the heat absorption position of the storage heater being arranged on ground along heat-transfer pipe, through carrying out heat exchange with storage heater, heat energy is passed to storage heater, fluid circulates along heat-transfer pipe under cycle power device drives, and heat energy is passed to storage heater by photothermal converter;
In heating process, adopt the tower acquisition system device of focused solar energy, heater element 9 is solar energy photothermal converter, the fuse salt that heat-storing material 10 adopts potassium nitrate 70% and sodium nitrate 30% to form, temperature is entered container higher than the hot fluid that adds of heat-storing material 10 from the import 3 of heat exchange chamber, through with heating heat pipe heat exchanging after flow out from heat exchange chamber outlet 4, heat energy is by carrying out heat exchange with heat-storing material 10 in adopting heat pipes for heat transfer to heat-storing material cavity 6, and the heat energy of heat-storing material 10 is switched in fluid and carries out accumulation of heat;
Storage heater may be used in local accumulation of heat or the area being moved to needs;
When needing the heat energy utilized in storage heater, the heat release fluid of temperature lower than heat-storing material 10 is flowed into from the import 3 of heat exchange chamber, heat energy is absorbed through exporting 4 outflows after heat release fluid and heat release heat pipe carry out heat exchange, heat energy and the heat release fluid of heat release heat pipe absorption heat-storing material 10 carry out heat exchange, realize the utilization of heat energy.
In the present embodiment, solar energy tower type system, adding hot fluid is air, and regenerator temperature is 500 degree, and heat release fluid adopts water.
Embodiment 3, mobile two chamber fluid focus solar energy optical-thermal heating heat transfer hold over systems
A container containing two cavitys shown in Fig. 1 shown in Fig. 3, one of them heat exchange chamber 7, is provided with fluid inlet and outlet 3,4; Heat-storing material cavity 6; Be provided with import and export 1,2;
Adopt the thermal energy exchange that fluid heat transfer pipe realizes between fluid and storage heater, one section, fluid heat transfer pipeline is arranged on heat exchange chamber 7, and the other end is arranged in heat-storing material cavity 6, and carries out compact siro spinning technology with heat-storing material 10, and with the heat exchange of heat-storing material 10,
In heat-storing material cavity 6, be provided with heat-storing material 10, heat-storing material 10 is packed in whole heat-storing material cavity 6;
There are the import and export of fluid at heat exchange chamber and accumulation of heat chamber 6, heat-storing material cavity 6 is provided with import and export, heat-storing material 10 can be placed in cavity or take out;
Have insulation material in the outside of container, the outer setting of insulation material has casing;
In heating process, temperature is entered container higher than the hot fluid after the solar energy acquisition of heat-storing material 10 from the import 3 of heat exchange chamber, through with circulating heat pipe heat exchange after flow out from heat exchange chamber outlet 4, heat energy to be transferred heat in heat-storing material cavity 6 by circulating heat pipe and carries out heat exchange with heat-storing material 10, and the heat energy of heat-storing material 10 is switched in fluid and carries out accumulation of heat;
Storage heater may be used in local accumulation of heat or the area being moved to needs;
When needing the heat energy utilized in storage heater, the heat release fluid of temperature lower than heat-storing material 10 is flowed into from the import 3 of heat exchange chamber, heat energy is absorbed through exporting 4 outflows after heat release fluid and heat release heat pipe carry out heat exchange, heat energy and the heat release fluid of heat pipe absorption heat-storing material 10 carry out heat exchange, realize the utilization of heat energy.
One group of solar focusing acquisition system is formed by solar focusing sampler, photothermal converter, heat-transfer pipe, fluid, cycle power device, storage heater, tracing control device; The solar focusing of sampler is on photothermal converter, heat-transfer pipe is connected with photothermal converter, after fluid is sent to the focus position of photothermal converter by heat-transfer pipe, fluid is heated, fluid after heating enters into the heat absorption position of the storage heater being arranged on ground along heat-transfer pipe, through carrying out heat exchange with storage heater, heat energy is passed to storage heater, fluid circulates along heat-transfer pipe under cycle power device drives, and heat energy is passed to storage heater by photothermal converter;
In heating process, focused solar energy dish-style is adopted to gather as solar energy acquisition system, solar energy photothermal converter 9, the heat-storing material that heat-storing material 10 adopts concrete 30% and basalt stone 20% and slag 50% to form, temperature is entered container higher than the hot fluid that adds of heat-storing material 10 from the import 3 of heat exchange chamber, through with heating heat pipe heat exchanging after flow out from heat exchange chamber outlet 4, heat energy is by carrying out heat exchange with heat-storing material 10 in heat exchange pipeline to heat-storing material cavity 6, and the heat energy of heat-storing material 10 is switched in fluid and carries out accumulation of heat;
Storage heater may be used in local accumulation of heat or the area being moved to needs;
When needing the heat energy utilized in storage heater, the heat release fluid of temperature lower than heat-storing material 10 is flowed into from the import 3 of heat exchange chamber, heat energy is absorbed through exporting 4 outflows after heat release fluid and heat release heat pipe carry out heat exchange, heat energy and the heat release fluid of heat release heat pipe absorption heat-storing material 10 carry out heat exchange, realize the utilization of heat energy.
In the present embodiment, solar energy dish-style system heating fluid liquid metal, regenerator temperature is 1200 degree, and heat release fluid adopts water.
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. two chamber fluid focus solar energy optical-thermal heating heat transfer hold over systems, comprise heat-storing material, housing, solar focusing acquisition system, insulation material, fluids etc., is characterized in that: form one group of solar focusing acquisition system by solar focusing sampler, photothermal converter, heat-transfer pipe, fluid, cycle power device, storage heater, tracing control device; Photothermal converter is connected with sampler, and be fixed on sampler, the solar focusing of sampler is on photothermal converter, heat-transfer pipe is connected with photothermal converter, after fluid is sent to the focus position of photothermal converter by heat-transfer pipe, fluid is heated, fluid after heating enters into the heat absorption position of the storage heater being arranged on ground along heat-transfer pipe, through carrying out heat exchange with storage heater, heat energy is passed to storage heater, fluid circulates along heat-transfer pipe under cycle power device drives, and heat energy is passed to storage heater by photothermal converter;
Storage heater is for be at least provided with two chambers, one is accumulation of heat chamber, one is heat exchange chamber, heat exchange chamber is provided with at least one group of import and outlet, the fluid carrying out heat exchange with solar energy acquisition system is first fluid, first fluid from heat exchange chamber inlet enter complete heat exchange with storage heater after flow out from exporting, heated entering into photothermal converter along heat-transfer pipe, thus the heat energy of solar focusing acquisition system collection be transported in storage heater;
Thermal indoor are provided with heat-storing material, heat energy is stored;
Storage heater in local accumulation of heat or can be moved to the area needing to utilize heat energy;
When needing the heat energy utilized in storage heater, temperature being flowed into storage heater lower than the second fluid of the temperature of heat-storing material from the import of heat exchange chamber, goes out through heat exchange chamber outlet flow again after second fluid and heat-storing material carry out heat exchange, realize the utilization of heat energy;
After the heat energy of storage heater is utilized, the storage heater moving to other regions is moved in solar energy acquisition system and carries out acquisition zone, or again utilize solar focusing acquisition system to heat first fluid the first fluid of the storage heater in pickup area, for the heat-storing material in storage heater heats, realize solar energy acquisition heating heat transfer accumulation of heat.
2. two chamber fluid focus solar energy optical-thermal heating heat transfer hold over systems according to claim 1, it is characterized in that: many group solar energy acquisition systems are connected with a central storage heater jointly, the heat energy multiple acquisition system gathered carries out Integrated predict model, realizes extensive powerful application.
3. two chamber fluid focus solar energy optical-thermal heating heat transfer hold over systems according to claim 2, is characterized in that: described central storage heater is provided with multiple heat exchange chamber, multiple heat exchange chamber by one, the container composition of one or more accumulation of heat chamber; Each heat exchange chamber is provided with at least one group of import and outlet, the first fluid of many groups solar energy acquisition system from multiple heat exchange chamber inlet enter complete heat exchange with storage heater after flow out from exporting, enter into along heat-transfer pipe the photothermal converter often organizing solar energy acquisition system again to be heated, thus the heat energy organizing solar energy acquisition system is transported in storage heater more.
4. two chamber fluid focus solar energy optical-thermal heating heat transfer hold over systems according to claim 3, it is characterized in that: central storage heater carries out heat release behind region that is local or that be moved to setting, second fluid enters into the heat exchange chamber of central storage heater respectively or simultaneously, after completing heat exchange with the heat-storing material of thermal indoor, second fluid enters into solar energy application system, realizes the application of heat energy;
Application system comprise generating set, motor unit, heating or refrigeration unit, chemical cell one or more.
5. two chamber fluid focus solar energy optical-thermals heating heat transfer hold over systems according to claim 1, is characterized in that: heat-storing material is selected from following at least one or multiple: fuse salt, liquid metal, solid grain block, concrete, sandstone or cobblestone, slag or scum, heat conduction cement, phase-change material.
6. two chamber fluid focus solar energy optical-thermal heating heat transfer hold over systems according to claim 1, it is characterized in that: the heat-storing material of the first fluid of heat exchanging chamber indoor and the second fluid of heat exchange chamber and thermal indoor, carry out heat exchange by one of following manner:
A, fluid line heat exchange: each heat exchanging chamber chamber interior import and outlet between be also provided with multiple pipeline, for fluid heat transfer pipeline, pipeline is made up of metal and nonmetal and compound pipeline complex pipeline, the import of the import of pipeline and outlet and heat exchanging chamber chamber interior and outlet be interconnected, fluid can be flowed in pipeline;
B, heat pipe heat exchanging: adopt gravity assisted heat pipe or circulating heat pipe, be arranged on heat exchange chamber at the evaporator section of heat exchange chamber gravity assisted heat pipe, condensation segment is arranged on accumulation of heat chamber; Be arranged on accumulation of heat chamber at the evaporator section of heat exchange chamber gravity assisted heat pipe, condensation segment is arranged on heat exchange chamber; Partial shell for circulating heat pipe heat pipe is arranged on heat exchange chamber or heat exchange chamber, and remainder is arranged on accumulation of heat chamber.
7. two chamber fluid focus solar energy optical-thermal heating heat transfer hold over systems according to claim 6, is characterized in that: described fluid heat transfer pipeline is selected from following one or combination:
A, helix tube;
The inside of B, pipeline or and outer wall be provided with heat exchange fin;
C, bending pipeline;
The pipeline that D, its diameter can change;
The outer wall of E, pipeline is provided with can with the interconnective concaveconvex structure of solid grain block;
F, pipeline by different metal composite;
Interior or the outer wall of G, pipeline is provided with corrosion-inhibiting coating.
8. two chamber fluid focus solar energy optical-thermals heating heat transfer hold over systems according to claim 1, is characterized in that: solar focusing sampler adopts dish-style, slot type, tower in one or more.
9. two chamber fluid focus solar energy optical-thermals heating heat transfer hold over systems according to claim 1, is characterized in that: fluid be following one or more: fuse salt, liquid, gas, liquid metal, plasma state, overcritical body.
10. two chamber fluid focus solar energy optical-thermals heating heat transfer hold over systems according to claim 9, is characterized in that: described liquid metal is following one or more or its compound: mercury, caesium, gallium, rubidium, potassium, sodium, indium, lithium, tin, bismuth, thallium, cadmium, plumbous, zinc, antimony, magnesium, aluminium.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115176A (en) * | 2015-09-17 | 2015-12-02 | 兰州大成科技股份有限公司 | Movable type solar heat source station |
| CN108332436A (en) * | 2018-03-19 | 2018-07-27 | 河北工业大学 | A kind of trough type solar water heater heat-collecting system of phase transformation auxiliary heating |
| CN109974315A (en) * | 2019-03-19 | 2019-07-05 | 上海交通大学 | A kind of solar energy heat-storage device of quick high-capacity |
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| CN109974315A (en) * | 2019-03-19 | 2019-07-05 | 上海交通大学 | A kind of solar energy heat-storage device of quick high-capacity |
| CN109974315B (en) * | 2019-03-19 | 2020-06-02 | 上海交通大学 | Solar heat storage device |
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