CN203671959U - Three-cavity fluid focused solar energy photo-thermal heating, heat transmission and heat storage system - Google Patents
Three-cavity fluid focused solar energy photo-thermal heating, heat transmission and heat storage system Download PDFInfo
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- CN203671959U CN203671959U CN201320724364.5U CN201320724364U CN203671959U CN 203671959 U CN203671959 U CN 203671959U CN 201320724364 U CN201320724364 U CN 201320724364U CN 203671959 U CN203671959 U CN 203671959U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/44—Heat exchange systems
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Abstract
The utility aims at providing a three-cavity fluid focused solar energy photo-thermal heating, heat transmission and heat storage system suitable for heat utilization of focused solar energy. High-temperature, large-scale, low-cost and efficient heat storage can be achieved, and the three-cavity fluid focused solar energy photo-thermal heating, heat transmission and heat storage system is suitable for heat storage at the temperature of 10 DEG C to 1500 DEG C. Heat energy collected by a solar focusing and collection system is transmitted to a heat storage device after heat exchange is conducted on the heat energy through fluid and the heat storage device. The heat storage device is at least provided with three cavities, namely, a heat injection cavity, a heat discharge cavity and a heat storage cavity, wherein the heat injection cavity directly exchanges heat with a solar energy collecting system, heat energy is stored in the heat storage cavity, and exchange and utilization of heat energy are achieved through the heat discharge cavity. When the heat energy in the heat storage device needs to be used, fluid with the temperature lower than the temperature of heat storage materials flows to the heat storage device from the heat discharge cavity, the fluid exchanges heat with the heat storage materials and then flows out of the outlet of the heat discharge cavity, and therefore utilization of heat energy is achieved.
Description
Technical field
The utility model relates to heat energy utilization, particularly utilizes focused solar energy acquisition system to realize heat energy collection transmission accumulation of heat exchange and utilizes system.
Background technology
Storage heater is the equipment that heat energy is stored, and existing storage heater is steam type and liquid heat storage device;
In industrial energy saving field, waste heat is reclaimed and stored, conventionally adopt phase change technique to carry out accumulation of heat, adopt ice-reserving technology to realize accumulation of heat in low temperature field;
In field of solar energy, adopt fuse salt accumulation of heat, although fuse salt can be realized the storage of high temperature, but because it need to be liquid from Solid State Transformation, thereby need heat energy to be heated, the simultaneously toxicity of fuse salt, economical, security also has problems, thereby the use of 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, the particularly electric energy of wind-powered electricity generation and photovoltaic composition, and because it cannot realize storage, thereby a large amount of the abandoning of having to, cause a large amount of wastes.If adopt heat energy to store, need to possess the holder of powerful storage capacity.
Heat pipe has had use in storage heater, and still only there is 3-7 in the existing hot pipe technique life-span, is difficult to guarantee in solar energy and the accumulation of heat heating field life-span of 30 years, thereby existing hot pipe technique cannot be applied to storage heater.
But, due to solar power station and large-scale accumulation of heat and the heat exchanger of large-scale heating field needs, only utilize outside metal tube, cannot realize the ground temperature difference, large-scale accumulation of heat and heat exchange, thereby need a kind of improved hot pipe technique.
Summary of the invention
The purpose of this utility model is to provide a kind of three chamber fluid focus solar energy optical-thermal heating heat transfer hold over systems that are suitable for focused solar energy heat utilization, the utility model is provided with three chambers, storage heater is for being at least provided with three chambers, fill hot chamber, heat release chamber and accumulation of heat chamber, fill hot chamber directly and solar energy acquisition system carry out heat exchange, accumulation of heat chamber carries out thermal energy storage, and heat release chamber is realized exchange and the utilization of heat energy.
Three chamber fluid focus solar energy optical-thermals heating heat transfer hold over systems of the present utility model, can realize high temperature, extensive, low cost, high efficiency accumulation of heat, and are suitable for the accumulation of heat of the temperature of 10-1500 degree.
Concrete summary of the invention is as follows:
Three 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, tracking control unit part; 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, fluid is sent to the focus position of photothermal converter by heat-transfer pipe after, fluid is heated, fluid after heating enters into the heat absorption position of the storage heater that is arranged on ground along heat-transfer pipe, through with storage heater carry out heat exchange by thermal energy transfer 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 being at least provided with three chambers, fill hot chamber, heat release chamber and accumulation of heat chamber, fill hot chamber and be provided with at least one group of import and outlet, the fluid that carries out heat exchange with solar energy acquisition system is first fluid, first fluid enters with storage heater and completes heat exchange and flow out from outlet from filling hot chamber import, entering into along heat-transfer pipe, photothermal converter is heated, thereby the heat energy of solar focusing acquisition system collection is transported in storage heater.
In accumulation of heat chamber, be provided with heat-storing material, heat energy is stored.
Storage heater can or be moved to the area that need to utilize heat energy in local accumulation of heat.
When need to utilize in storage heater heat energy time, temperature is flowed into storage heater lower than the second fluid of the temperature of heat-storing material from the import of heat release chamber, second fluid and heat-storing material carry out after heat exchange, again through heat release chamber outlet outflow, realizing the utilization of heat energy.
After the heat energy of storage heater is utilized, the storage heater that moves to other regions is moved to and in solar energy acquisition system, carries out acquisition zone, or the first fluid of the storage heater in pickup area is utilized to solar device formula acquisition system heating first fluid again, for the heat-storing material in storage heater heats, realize solar energy acquisition heating heat transfer accumulation of heat.
Many group solar energy acquisition systems are connected with a central storage heater jointly, and the heat energy of multiple acquisition system collections is carried out to integrated application, realize extensive powerful application.
Described central storage heater is provided with multiple hot chamber, multiple heat release chambers of filling by one, the container composition of one or more accumulation of heat chambers; Eachly fill hot chamber and be provided with at least one group of import and outlet, the first fluid of many group solar energy acquisition systems fills hot chamber import and enters completing heat exchange with storage heater and flow out from outlet from multiple, enter into the photothermal converter of every group of solar energy acquisition system along heat-transfer pipe more heated, thereby the heat energy of organizing solar energy acquisition system is transported in storage heater more.
Central authorities' storage heater local or be moved to the region of setting after carry out heat release, second fluid enters into respectively or simultaneously the heat release chamber of central storage heater, after completing heat exchange with the heat-storing material in accumulation of heat chamber, second fluid enters into solar energy application system, realizes the application of heat energy.
Application system comprises one or more of generating set, motor unit, heating or refrigeration unit, chemical cell.
Heat-storing material select from following at least one or multiple: fuse salt, liquid metal, solid grain piece, concrete, sandstone or cobblestone, slag or scum, heat conduction cement, phase-change material.
Fill the heat-storing material in second fluid and the accumulation of heat chamber of first fluid in hot chamber and heat release chamber, carry out heat exchange by one of following manner:
A, fluid line heat exchange: each heat release or fill hot chamber interior import and outlet between be also provided with multiple pipelines, for fluid heat transfer pipeline, pipeline is made up of metal or nonmetal or compound pipeline complex pipeline, the import of pipeline with outlet with fill hot chamber interior import 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 and fill hot chamber at the evaporator section that fills hot chamber gravity assisted heat pipe, condensation segment is arranged on accumulation of heat chamber; Evaporator section at heat release chamber gravity assisted heat pipe is arranged on accumulation of heat chamber, and condensation segment is arranged on heat release chamber; Be arranged on and fill hot chamber or heat release chamber for the partial shell of circulating heat pipe heat pipe, remainder is arranged on accumulation of heat chamber.
Described fluid line 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;
The pipeline of C, bending;
The pipeline that D, its diameter can change;
On the outer wall of E, pipeline, be provided with can with the interconnective concaveconvex structure of solid grain piece;
F, the pipeline being formed by different metal composite;
On the interior or outer wall of G, pipeline, be provided with corrosion-inhibiting coating.
Solar energy acquisition device adopts dish formula, slot type, one or more in tower.
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, cadmium, lead, zinc, antimony, magnesium, aluminium.
Adopt the technical solution of the utility model can produce following beneficial effect:
1, the utility model is realized 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 utility model adopts recoverable heat Manifold technology, make life-span of heat pipe can extend to 30 years even higher, only need the more working media of heat exchanger tube.
3, the utility model can be realized mobile accumulation of heat, storage heater is moved to the place needing and realize collection and the utilization of heat energy.
4, the utility model can be applied to the multiple application such as solar energy and the underground heat complementary with it, photovoltaic, wind-powered electricity generation, living beings.
Accompanying drawing explanation
Fig. 1 is heat pipe three chamber fluid focus solar energy optical-thermal heating heat transfer hold over system schematic diagrames.
Fig. 2 is three chamber fluid focus solar energy optical-thermal heating heat transfer hold over system schematic diagrames.
Fig. 3 is mobile three 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 outlet, 3: the import of heat release chamber, 4: the outlet of heat release chamber, 5: heat pipe regenerating tube 6: heat-storing material cavity, 7: heat release chamber, 8: chamber dividing plate, 9: solar focusing acquisition system, 10: heat-storing material, 11: fill hot chamber, 12: fill hot chamber import, 13 thermals source, 14; Haulage vehicle, 15: heating heat pipe, 16: fill hot chamber outlet, 17: heat release heat pipe, 18: fluid line heat exchanger tube.
The specific embodiment
A container that contains three cavitys shown in Fig. 1, one of them fills hot chamber 11, is provided with fluid inlet and outlet 12,16; Heat release chamber 7, is provided with fluid inlet and outlet 3,4; Heat-storing material cavity 6; Be provided with and import and export 1,2.
Contain two kinds of heat pipes, the first is heating heat pipe 15, the second is heat release heat pipe 17, and the evaporation ends of heating heat pipe 15 is arranged on and fills hot chamber 11, and condensation end is arranged on heat-storing material cavity 6, and be closely connected with heat-storing material 10, and with the heat exchange of heat-storing material 10, the evaporation ends of heat release heat pipe 17 is arranged in heat-storing material cavity 6, and is closely connected with heat-storing material 10, and with the heat exchange of heat-storing material 10, condensation end is arranged in heat release chamber 7.
In heat-storing material cavity 6, be provided with heat-storing material 10, heat-storing material 10 is connected heat exchange with heat release heat pipe or heating heat pipe, and heat-storing material 10 is packed in whole heat-storing material cavity 6.
Arrange and accumulation of heat chamber 6 has the import and export of fluid filling on hot chamber 11 and heat pipe condensation cavity 7, on heat-storing material cavity 6, be provided with import and export, heat-storing material 10 can be placed or taken out in cavity.
There is insulation material outside at container, and the outer setting of insulation material has casing.
In heating process, temperature is entered to container higher than the hot fluid that adds of heat-storing material 10 from the import 12 of heat pipe evaporation cavity, through flowing out from the outlet 16 of heat pipe evaporation cavity after heat pipe heat exchanging with heating, heat energy is by adopting heat pipes for heat transfer in heat-storing material cavity 6 and carry out heat exchange with heat-storing material 10, and the heat energy of heat-storing material 10 is switched to and in fluid, carries out accumulation of heat.
Storage heater can for local accumulation of heat or be moved to need area.
When need to utilize in storage heater heat energy time, temperature is flowed into from the import 3 of heat release chamber 7 lower than the heat release fluid of heat-storing material 10, heat release fluid and heat release heat pipe carry out absorbing heat energy through exporting 4 outflows after heat exchange, heat energy and heat release fluid that heat release heat pipe absorbs heat-storing material 10 carry out heat exchange, realize the utilization of heat energy.
On liquid level one upper/lower positions of the evaporation ends of heat pipe, arrange one with the regenerating tube 5 of each mutual UNICOM of heat pipe, regenerating tube is connected with each heat pipe, in the time that 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 arranging, 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, thereby realize the regeneration of heat pipe, guarantee 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, add the high temperature air of hot-air to 900 degree by solar energy dish formula 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%.
Shown in Fig. 2 by the container of three cavitys, the container that contains three cavitys, one of them fills hot chamber 11, is provided with fluid inlet and outlet 12,16; Heat release chamber 7, is provided with fluid inlet and outlet 3,4; Heat-storing material cavity 6; Be provided with and import and export 1,2.
Filling hot chamber and the heat exchange of accumulation of heat chamber adopts fluid heat transfer pipeline to carry out heat exchange, one end of heat exchange pipeline be arranged on fill hot chamber and with fill hot chamber import and be communicated with, a part of install pipeline is in accumulation of heat chamber in addition, and be closely connected with heat-storing material 10, and with the heat exchange of heat-storing material 10, UNICOM is carried out with the outlet of filling hot chamber in the outlet position of pipeline, and fluid can carry out heat exchange with heat-storing material like this.
The evaporation ends of heat release heat pipe 17 is arranged in heat-storing material cavity 6, and is closely connected with heat-storing material 10, and with the heat exchange of heat-storing material 10, condensation end is arranged in heat release chamber 7.
In heat-storing material cavity 6, be provided with heat-storing material 10, heat-storing material 10 is connected heat exchange with heat release heat pipe or heating heat pipe, and heat-storing material 10 is packed in whole heat-storing material cavity 6.
At heat release chamber and fill hot chamber and accumulation of heat chamber 6 is provided with the import and export of fluid, on heat-storing material cavity 6, be provided with import and export, heat-storing material 10 can be placed or taken out in fluid chamber.
There is insulation material outside at container, and the outer setting of insulation material has casing.
Form one group of solar focusing acquisition system by solar focusing sampler, photothermal converter, heat-transfer pipe, fluid, cycle power device, storage heater, tracking control unit part; 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, fluid is sent to the focus position of photothermal converter by heat-transfer pipe after, fluid is heated, fluid after heating enters into the heat absorption position of the storage heater that is arranged on ground along heat-transfer pipe, through with storage heater carry out heat exchange by thermal energy transfer 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, thermal source 13 adopts 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 to container higher than the hot fluid that adds of heat-storing material 10 from the import 12 of filling hot chamber, through with heating heat pipe heat exchanging after flow out from filling hot chamber outlet 16, heat energy is by adopting heat pipes for heat transfer in heat-storing material cavity 6 and carry out heat exchange with heat-storing material 10, and the heat energy of heat-storing material 10 is switched to and in fluid, carries out accumulation of heat.
Storage heater can for local accumulation of heat or be moved to need area.
When need to utilize in storage heater heat energy time, temperature is flowed into from the import 3 of heat release 7 lower than the heat release fluid of heat-storing material 10, heat release fluid and heat release heat pipe carry out absorbing heat energy through exporting 4 outflows after heat exchange, heat energy and heat release fluid that heat release heat pipe absorbs heat-storing material 10 carry out heat exchange, realize the utilization of heat energy.
On liquid level one upper/lower positions of the evaporation ends of heat pipe, arrange one with the regenerating tube 5 of each mutual UNICOM of heat pipe, regenerating tube is connected with each heat pipe, in the time that 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 arranging, 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, thereby realize the regeneration of heat pipe, guarantee that the life-span of heat pipe can reach 30 years.
In the present embodiment, thermal source 13 is solar energy tower type system, and adding hot fluid is air, and regenerator temperature is 500 degree, and 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%.
The container by three cavitys shown in Fig. 3, the container of three cavitys, the container that contains three cavitys, one of them fills hot chamber 11, is provided with fluid inlet and outlet 12,16; Heat release chamber 7, is provided with fluid inlet and outlet 3,4; Heat-storing material cavity 6; Be provided with and import and export 1,2, storage heater is arranged on haulage vehicle.
Fill hot chamber and the heat exchange of accumulation of heat chamber and adopt heat pipe heat exchanging, accumulation of heat chamber and heat release chamber adopt fluid heat transfer pipe 18 to carry out heat exchange, one end of heat exchange pipeline be arranged on heat release chamber and with put chamber import and be communicated with, a part of install pipeline is in accumulation of heat chamber in addition, and be closely connected with heat-storing material 10, and with the heat exchange of heat-storing material 10, UNICOM is carried out in the outlet position of pipeline and the outlet of heat release chamber, fluid can carry out heat exchange with heat-storing material like this.
The evaporation ends of heat release heat pipe 17 is arranged in heat-storing material cavity 6, and is closely connected with heat-storing material 10, and with the heat exchange of heat-storing material 10, condensation end is arranged in heat release chamber 7.
In heat-storing material cavity 6, be provided with heat-storing material 10, heat-storing material 10 is connected heat exchange with heat release heat pipe or heating heat pipe, and heat-storing material 10 is packed in whole heat-storing material cavity 6.
At heat release chamber and fill hot chamber and accumulation of heat chamber 6 is provided with the import and export of fluid, on heat-storing material cavity 6, be provided with import and export, heat-storing material 10 can be placed or taken out in fluid chamber.
There is insulation material outside at container, and the outer setting of insulation material has casing.
Form one group of solar focusing acquisition system by solar focusing sampler, photothermal converter, heat-transfer pipe, fluid, cycle power device, storage heater, tracking control unit part; 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, fluid is sent to the focus position of photothermal converter by heat-transfer pipe after, fluid is heated, fluid after heating enters into the heat absorption position of the storage heater that is arranged on ground along heat-transfer pipe, through with storage heater carry out heat exchange by thermal energy transfer 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, thermal source 13 adopts focused solar energy dish formula acquisition system device, heater element 9 is solar energy photothermal converter, the heat-storing material that heat-storing material 10 adopts concrete 30% and basalt stone 20% and slag 50% to form, temperature is entered to container higher than the hot fluid that adds of heat-storing material 10 from the import 12 of filling hot chamber, through with heating heat pipe heat exchanging after flow out from filling hot chamber outlet 16, heat energy is by adopting heat pipes for heat transfer in heat-storing material cavity 6 and carry out heat exchange with heat-storing material 10, and the heat energy of heat-storing material 10 is switched to and in fluid, carries out accumulation of heat.
Storage heater can for local accumulation of heat or be moved to need area.
When need to utilize in storage heater heat energy time, temperature is flowed into from the import 3 of heat release 7 lower than the heat release fluid of heat-storing material 10, heat release fluid and heat release heat pipe carry out absorbing heat energy through exporting 4 outflows after heat exchange, heat energy and heat release fluid that heat release heat pipe absorbs heat-storing material 10 carry out heat exchange, realize the utilization of heat energy.
On liquid level one upper/lower positions of the evaporation ends of heat pipe, arrange one with the regenerating tube 5 of each mutual UNICOM of heat pipe, regenerating tube is connected with each heat pipe, in the time that 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 arranging, 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, thereby realize the regeneration of heat pipe, guarantee that the life-span of heat pipe can reach 30 years.
In the present embodiment, thermal source 13 is solar energy dish formula system, heating fluid liquid metal, regenerator temperature is 1200 degree, heat release fluid adopts water, heat pipe adopts circulating heat pipe, operating temperature is in 100-800 degree, on the status, bottom of circulating heat pipe, arrange one with the regenerating tube 5 of each mutual UNICOM of thermotube shell, regenerating tube is connected with each thermotube shell end, after the operating efficiency of heat pipe is lower than the first setting value, utilize regenerating tube that new work work medium for heat pipe is filled in heat pipe, realize the regeneration of heat pipe.
According to theory and structure of the present utility model, can design other case study on implementation, as long as meet theory and structure of the present utility model, all belong to enforcement of the present utility model.
Claims (10)
1. three 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, tracking control unit part; 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, fluid is sent to the focus position of photothermal converter by heat-transfer pipe after, fluid is heated, fluid after heating enters into the heat absorption position of the storage heater that is arranged on ground along heat-transfer pipe, through with storage heater carry out heat exchange by thermal energy transfer 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 being at least provided with three chambers, fill hot chamber, heat release chamber and accumulation of heat chamber, fill hot chamber and be provided with at least one group of import and outlet, the fluid that carries out heat exchange with solar energy acquisition system is first fluid, first fluid enters with storage heater and completes heat exchange and flow out from outlet from filling hot chamber import, entering into along heat-transfer pipe, photothermal converter is heated, thereby the heat energy of solar focusing acquisition system collection is transported in storage heater;
In accumulation of heat chamber, be provided with heat-storing material, heat energy is stored;
Storage heater can or be moved to the area that need to utilize heat energy in local accumulation of heat;
When need to utilize in storage heater heat energy time, temperature is flowed into storage heater lower than the second fluid of the temperature of heat-storing material from the import of heat release chamber, second fluid and heat-storing material carry out after heat exchange, again through heat release chamber outlet outflow, realizing the utilization of heat energy;
After the heat energy of storage heater is utilized, the storage heater that moves to other regions is moved to and in solar energy acquisition system, carries out acquisition zone, or the first fluid of the storage heater in pickup area is utilized to solar device formula acquisition system heating first fluid again, for the heat-storing material in storage heater heats, realize solar energy acquisition heating heat transfer accumulation of heat.
2. three chamber fluid focus solar energy optical-thermal heating heat transfer hold over systems according to claim 1, it is characterized in that: organize solar energy acquisition system more and be jointly connected with a central storage heater, the heat energy of multiple acquisition system collections is carried out to integrated application, realize extensive powerful application.
3. three 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 hot chamber, multiple heat release chambers of filling by one the container composition of one or more accumulation of heat chambers; Eachly fill hot chamber and be provided with at least one group of import and outlet, the first fluid of many group solar energy acquisition systems fills hot chamber import and enters completing heat exchange with storage heater and flow out from outlet from multiple, enter into the photothermal converter of every group of solar energy acquisition system along heat-transfer pipe more heated, thereby the heat energy of organizing solar energy acquisition system is transported in storage heater more.
4. three 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 local or be moved to the region of setting after carry out heat release, second fluid enters into respectively or simultaneously the heat release chamber of central storage heater, after completing heat exchange with the heat-storing material in accumulation of heat chamber, second fluid enters into solar energy application system, realizes the application of heat energy;
Application system comprises one or more of generating set, motor unit, heating or refrigeration unit, chemical cell.
5. three chamber fluid focus solar energy optical-thermals heating heat transfer hold over systems according to claim 1, is characterized in that: heat-storing material select from following at least one or multiple: fuse salt, liquid metal, solid grain piece, concrete, sandstone or cobblestone, slag or scum, heat conduction cement, phase-change material.
6. three chamber fluid focus solar energy optical-thermal heating heat transfer hold over systems according to claim 1, it is characterized in that: fill the heat-storing material in second fluid and the accumulation of heat chamber of first fluid in hot chamber and heat release chamber, carry out heat exchange by one of following manner:
A, fluid line heat exchange: each heat release or fill hot chamber interior import and outlet between be also provided with multiple pipelines, for fluid heat transfer pipeline, pipeline is made up of metal or nonmetal or compound pipeline complex pipeline, the import of pipeline with outlet with fill hot chamber interior import 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 and fill hot chamber at the evaporator section that fills hot chamber gravity assisted heat pipe, condensation segment is arranged on accumulation of heat chamber; Evaporator section at heat release chamber gravity assisted heat pipe is arranged on accumulation of heat chamber, and condensation segment is arranged on heat release chamber; Be arranged on and fill hot chamber or heat release chamber for the partial shell of circulating heat pipe heat pipe, remainder is arranged on accumulation of heat chamber.
7. three chamber fluid focus solar energy optical-thermal heating heat transfer hold over systems according to claim 6, is characterized in that: described fluid line 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;
The pipeline of C, bending;
The pipeline that D, its diameter can change;
On the outer wall of E, pipeline, be provided with can with the interconnective concaveconvex structure of solid grain piece;
F, the pipeline being formed by different metal composite;
On the interior or outer wall of G, pipeline, be provided with corrosion-inhibiting coating.
8. three chamber fluid focus solar energy optical-thermals heating heat transfer hold over systems according to claim 1, is characterized in that: solar energy acquisition device adopts dish formula, slot type, one or more in tower.
9. three 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. three 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, lead, zinc, antimony, magnesium, aluminium.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567028A (en) * | 2015-01-17 | 2015-04-29 | 浙江大学 | Improved heat transmission and accumulation solar heat collection device |
| CN104654618A (en) * | 2013-11-17 | 2015-05-27 | 成都奥能普科技有限公司 | Three-cavity fluid focus solar photothermal heating heat transfer heat accumulating system |
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2013
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654618A (en) * | 2013-11-17 | 2015-05-27 | 成都奥能普科技有限公司 | Three-cavity fluid focus solar photothermal heating heat transfer heat accumulating system |
| CN104567028A (en) * | 2015-01-17 | 2015-04-29 | 浙江大学 | Improved heat transmission and accumulation solar heat collection device |
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