[특허]Solar power plant and method and/or system of storing energy in a concentrated solar power plant

[미국특허] Solar power plant and method and/or system of storing energy in a concentrated solar power plant 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60K-016/00
출원번호	US-0066054 (2007-07-27)
등록번호	US7954321 (2011-05-23)
국제출원번호	PCT/US2007/074646 (2007-07-27)
§371/§102 date	20080306 (20080306)
국제공개번호	WO08/108870 (2008-09-12)
발명자 / 주소	Shinnar, Reuel
출원인 / 주소	Research Foundation of the City University of New York
대리인 / 주소	Fish & Richardson P.C.
인용정보	피인용 횟수 : 19 인용 특허 : 0

초록 ▼

A method for storing heat from a solar collector CSTC in Concentrating Solar Power plants and delivering the heat to the power plant PP when needed. The method uses a compressed gas such as carbon dioxide or air as a heat transfer medium in the collectors CSTC and transferring the heat by depositing it on a bed of heat-resistant solids and later, recovering the heat by a second circuit of the same compressed gas. The storage system HSS is designed to allow the heat to be recovered at a high efficiency with practically no reduction in temperature. Unlike liquid heat transfer media, our storage method itself can operate at very high temperatures, up to 3000° F., a capability which can lead to greater efficiency. Due to material constraints and cost considerations in the rest of the system the maximum temperature is presently limited to between 1700° F. and 2000° F. The method can be applied to all current solar collector designs. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

대표청구항 ▼

What is claimed: 1. A process for storing and retrieving thermal energy using a heat transfer fluid in a heat storage system, the process comprising the steps of:(a) providing a flow path in a heat storage tank, said flow path for connection to a source of pressurized gas heat transfer fluid, said flow path having input and output ports for the flow of said heat transfer fluid;(b) loading said flow path with a storage medium comprising high temperature high thermal conductivity heat resistant solids having high heat transfer coefficient for interaction with a flow of said heat transfer fluid, said solids being in intimate contact with each other and forming a packed bed, said solids being shaped for low-pressure drop in said fluid flow, and said solids having a contour for reducing contact between said solids wherein the surface area of said solids in said bed is exposed predominantly for direct contact with said fluid flow;(c) receiving at one said input port a flow of said pressurized gas heat transfer fluid from said source at or near said high temperature, said heated fluid flow heating at least a selection of said solids to at or near said high temperature as said heated fluid flows in a first flow direction along said flow path in contact with said selection of solids, wherein said heated fluid is flowed at a rate selected to create a sharp front as said flowing heated fluid heats said selection of solids to at or neat said high temperature, wherein the residence time of said flowing heated fluid as it travels from one said input port to one said output port is long compared to the time required for said heating of said selection of solids, for defining said sharp front; and(d) directing a cooler flow of said heat transfer fluid in a flow direction in said flow path countercurrent to said first flow direction and at a temperature below said high temperature for thermal energy recovery, said heated selection of solids heating said cooler countercurrent flow to at or near said high temperature, said flow path presenting said heated countercurrent flow of fluid at or near said high temperature at one said output port for use in a system needing thermal energy.

이 특허를 인용한 특허 (19) 인용/피인용 타임라인 분석

Zillmer, Andrew J.; Little, Alfred, Catalyzed hot gas heating system for pipes.
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Ma, Zhiwen, Chemical looping fluidized-bed concentrating solar power system and method.
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Bannari, Abdelfettah, Compressed air energy storage and recovery.
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Anderson, Bruce N.; Treece, William Dean; Brown, Dan; Bennhold, Florian; Hilgert, Christoph, Concentrated solar power generation using solar receivers.
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Howes, Jonathan Sebastian; Macnaghten, James, Energy storage.
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Howes, Jonathan Sebastian; Macnaghten, James, Energy storage.
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Pang, Raymond; Mundra, Kamlesh, Fuel gas heating with thermal energy storage.
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Shao, Ruixun; Gao, Barry Yifan, Ground high-temperature high-efficiency solar steam electricity-generating device.
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Schneider, Günter; Maier, Hartmut; Stenglein, Martin, High-temperature heat store for solar-thermal power plants.
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Wei, Wei; Zhang, Lingzhi; Kulkarni, Parag Prakash, Hybrid concentrated solar combined cycle power plant and solar reformer for use therein.
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Xiang, Xiaodong; Zhang, Rong, Methods and apparatus for latent heat (phase change) thermal storage and associated heat transfer and exchange.
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Ma, Zhiwen, Methods and systems for concentrated solar power.
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Bindra, Hitesh; Bueno, Pablo, Optimum process design of packed bed type thermal storage systems and other applications.
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Friesth, Kevin Lee, Quintuple-effect generation multi-cycle hybrid renewable energy system with integrated energy provisioning, storage facilities and amalgamated control system cross-reference to related applications.
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Shinnar, Reuel, Solar power plant and method and/or system of storing energy in a concentrated solar power plant.
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Sakadjian, Bartev B; Arnold, William A; Kraft, David L, Solar-nuclear hybrid power plant.
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Wagner, Michael; Ma, Zhiwen; Martinek, Janna; Neises, Ty; Turchi, Craig, Systems and methods for direct thermal receivers using near blackbody configurations.
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Pang, Raymond; Chen, Huijuan; Gadoury, Thomas Arthur; Mundra, Kamlesh; Peter, Andrew Maxwell; Watt, Duncan George, Thermal energy storage unit with steam and gas turbine system.
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Culver, Brandon, Wind and solar powered heat trace with homeostatic control.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Solar power plant and method and/or system of storing energy in a concentrated solar power plant 원문보기