CN212299501U - Distributed photo-thermal thermochemical energy storage and heat supply system - Google Patents
Distributed photo-thermal thermochemical energy storage and heat supply system Download PDFInfo
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- CN212299501U CN212299501U CN202020902407.4U CN202020902407U CN212299501U CN 212299501 U CN212299501 U CN 212299501U CN 202020902407 U CN202020902407 U CN 202020902407U CN 212299501 U CN212299501 U CN 212299501U
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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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- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The invention discloses a distributed photo-thermal thermochemical energy storage and heat supply system which comprises a light and heat collecting device, a reaction storage tank warehouse and a heat supply heat exchanger, wherein the light and heat collecting device comprises a Fresnel lens, a heliostat support, an air pump, a reaction storage tank, a heat collector and the like. The invention uses the light and heat collecting device with Fresnel lens to form a distributed array, stores the collected heat energy in the material in the reaction storage tank in a thermochemical energy storage mode, stores the reaction storage tank as a spring initial unit in a centralized way, uses the reaction storage tank to carry out exothermic reaction when heat supply is needed, and provides stable heat energy supply through the heat supply heat exchanger. The system realizes the complete decoupling of the collection, storage and use of the sunlight resources, and has the characteristics of scattered collection, centralized use, low cost, flexible application, safety and environmental protection.
Description
Technical Field
The invention relates to the technical field of distributed solar thermochemical energy storage and heat supply application, in particular to a distributed photo-thermal thermochemical energy storage and heat supply system.
Background
Solar energy is a clean green energy with huge reserves, but the development and utilization of the solar energy are greatly influenced by the dispersity of solar energy distribution, the intermittency of day and night supply and the fluctuation of weather influence. The traditional energy storage method utilizing sensible heat or latent heat of water, oil, paraffin or molten salt and the like cannot realize long-time storage of heat energy, and the application effect and the scale of the traditional energy storage method are limited to a certain extent. The thermochemical energy storage utilizes reversible thermochemical reaction to store heat energy in chemical bonds, has the characteristics of high energy storage density and long-time lossless storage, can greatly improve the reliability, stability and economy of solar energy utilization by combining with solar energy, and is particularly suitable for large-scale solar energy storage and functional systems.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a distributed photo-thermal thermochemical energy storage and heating system which can collect solar photo-thermal through distributed devices and utilize CaO/Ca (OH)2The long-term storage of the thermochemical energy storage mode of the gas-solid reversible reaction system is realized, and the centralized and stable heat energy supply is realized.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a distributing type light and heat thermochemical energy storage heating system, includes light collection and heat collection device, reaction storage jar storehouse and heat supply heat exchanger, light collection and heat collection device has a plurality ofly, and for the distributed architecture, the heat that each light collection and heat collection device collected is stored in reaction storage jar with the form of chemical energy, reaction storage jar deposit in reaction storage jar storehouse, heat supply heat exchanger is connected to the output in reaction storage jar storehouse.
Every light and heat collection device include that chenille lens 1, heliostat support 2, air pump 3, reaction storage jar 4 and heat collector 5, chenille lens 1 sets up on heliostat support 2, and heat collector 5 is connected to 1 output of chenille lens, and heat collector 5 passes through air pump 3 and links to each other with reaction storage jar 4.
The reaction storage tank 4 is used for realizing an endothermic reaction process and an exothermic reaction process.
The reaction storage tank 4 is used as a storage container of reaction materials.
The reaction storage tank 4 is internally provided with a heat exchange structure, and gas such as air is used as a heat exchange medium.
And the reaction storage tank bank is used for the reaction storage tanks to store in a centralized manner and for a long time.
The invention has the beneficial effects that:
utilize distributed light collection heat collection device to constitute extensive thermal-arrest array, with a large amount of solar energy with the mode storage of chemical energy in the thermochemical reaction material, the fixed storage of energy storage material has been avoided the trouble of powder material transport, transportation to realize concentrating, a large amount of long-term deposits, use the reaction storage jar of reaction storage storehouse storage to release heat when needs heat supply, provide stable, large-scale heat supply through heat supply heat exchanger. The system realizes the complete decoupling of the collection, storage and use of the sunlight resources, can concentrate the light and heat energy collected all the year round in one season, or concentrate the energy collected by the light and heat collecting devices distributed everywhere in one place for use, has the characteristics of low cost, flexible application, safety and environmental protection, and is suitable for large-scale application.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
The system comprises a light and heat collecting device, a reaction storage tank warehouse and a heat supply heat exchanger, wherein the light and heat collecting device comprises: 1 is a Fresnel lens, 2 is a heliostat support, 3 is an air pump, 4 is a reaction storage tank, and 5 is a heat collector.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the distributed photo-thermal thermochemical energy storage and heat supply system of the present invention comprises a plurality of light and heat collecting devices, a reaction storage tank warehouse and a heat supply heat exchanger, wherein the plurality of light and heat collecting devices are distributed, heat collected by each light and heat collecting device is stored in the reaction storage tank in the form of chemical energy, all the reaction storage tanks are transported and stored in the reaction storage tank warehouse, when heat supply is needed, the reaction storage tanks storing energy in the reaction storage tank warehouse are subjected to an exothermic reaction, the heat is output through a heat transfer medium such as air, an output end of the reaction storage tank is connected with the heat supply heat exchanger, after the reaction storage tanks release heat, the heat is transported to each light and heat collecting
Wherein the light and heat collecting device comprises a Fresnel lens 1, a heliostat support 2, an air pump 3, a reaction storage tank 4, a heat collector 5 and the like.
The distributed photo-thermal thermochemical energy storage and heat supply system is provided with one or more light and heat collecting devices, and the light and heat collecting devices can be distributed for use to form a large-scale light and heat collecting system.
The heliostat support 2 of the light and heat collecting device can track the sun direction, so that the Fresnel lens 1 can collect sunlight, and the heat collector 5 converts the collected light energy into high-temperature heat energy to be taken away by air pushed by the air pump 3.
The reaction storage tank 5 can realize endothermic reaction process and exothermic reaction process, and is also used as a storage container for reaction materials, and the reaction storage tank 5 is internally provided with a heat exchange structure and takes air and other gases as heat exchange media.
Various gas-solid reversible reactions can be realized in the reaction storage tank 5, for example: ca (OH)2/CaO+H2O、Mg(OH)2/MgO+H2O, and the like.
And the reaction storage tank bank is used for the reaction storage tanks to store in a centralized manner and for a long time.
The heat supply heat exchanger heats heat media such as air heated by exothermic reaction from the reaction storage tank 5, and heats heat media at a user side by heat exchange, so that stable heat supply is realized.
The specific working process of the invention is as follows:
the distributed light collecting and heat collecting device collects solar energy, converts the solar energy into high-temperature heat energy, and transmits the high-temperature heat energy to reaction materials such as Ca (OH) in the reaction storage tank through media such as air2And CaO, the CaO is converted into chemical energy, the reaction storage tank after the endothermic reaction is finished is transported to a reaction storage tank warehouse for centralized and long-term storage, when heat supply is needed, the reaction storage tank in the reaction storage tank warehouse is subjected to exothermic reaction, the exothermic reaction is transferred to a heat supply heat transmitter through media such as air, a large amount of stable supply of heat energy is completed, and then the reaction storage tank after the exothermic reaction is finished is transported to each distributed light and heat collecting device for endothermic reaction and is circulated.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a distributing type light and heat thermochemical energy storage heating system, its characterized in that includes light collection and heat collection device, reaction storage jar storehouse and heat supply heat exchanger, light collection and heat collection device has a plurality ofly, for the distributed architecture, and the heat that each light collection and heat collection device collected is stored in the reaction storage jar with the form of chemical energy, reaction storage jar deposit in reaction storage jar storehouse, heat supply heat exchanger is connected to the output in reaction storage jar storehouse.
2. A distributed photo-thermal thermochemical energy-storage and heat-supply system according to claim 1, wherein each of the light and heat collecting devices comprises a fresnel lens (1), a heliostat support (2), an air pump (3), a reaction storage tank (4) and a heat collector (5), the fresnel lens (1) is disposed on the heliostat support (2), the heat collector (5) is connected to an output end of the fresnel lens (1), and the heat collector (5) is connected to the reaction storage tank (4) through the air pump (3).
3. A distributed photothermal thermochemical energy storage and heating system according to claim 1 wherein the reactive storage tank (4) is configured to implement an endothermic reaction process and an exothermic reaction process.
4. A distributed photothermal thermochemical energy storage and heating system according to claim 1 wherein the reaction storage tank (4) serves as a storage vessel for the reaction materials.
5. A distributed photothermal thermochemical energy storage and heating system according to claim 1, wherein the reaction storage tank (4) has a heat exchange structure therein, and gas such as air is used as a heat exchange medium.
6. The distributed photo-thermal thermochemical energy storage and heating system of claim 1 wherein the storage tank bank is configured for centralized and long-term storage of reaction storage tanks.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020902407.4U CN212299501U (en) | 2020-05-26 | 2020-05-26 | Distributed photo-thermal thermochemical energy storage and heat supply system |
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| CN202020902407.4U CN212299501U (en) | 2020-05-26 | 2020-05-26 | Distributed photo-thermal thermochemical energy storage and heat supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776211A (en) * | 2021-08-19 | 2021-12-10 | 临沂恒源智能科技股份有限公司 | Movable heat supply station |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776211A (en) * | 2021-08-19 | 2021-12-10 | 临沂恒源智能科技股份有限公司 | Movable heat supply station |
| CN113776211B (en) * | 2021-08-19 | 2024-02-06 | 中科智驭(山东)新能源技术有限公司 | Mobile heating station |
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