Integrated solar thermal power generation system
An integrated technology of solar thermal power generation, applied in the direction of solar thermal power generation, mechanical power generated by solar energy, machines/engines, etc., can solve the problems of direct steam DSG technology heat storage difficulties, unstable steam pressure, etc., to improve reliable operation Time, reduce the difficulty of tracking, reduce the effect of cost
Active Publication Date: 2014-03-12
HUANENG CLEAN ENERGY RES INST
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Problems solved by technology
[0006] In order to solve the problems existing in the above-mentioned prior art, the purpose of the present invention is to provide a high-efficiency integrated solar thermal power generation system, which solves the problems of difficult heat storage and unstable steam pressure of direct steam DSG technology, and makes the whole solar thermal power generation system More efficient, reliable operation, and better use of heat storage systems for power generation
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[0016] The structure of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0017] As shown in the drawings, a high-efficiency integrated solar thermal power generation system of the present invention includes a molten salt heat transfer oil heat exchanger 10, a heat transfer oil main steam heat exchanger 13, and a heat transfer oil reheat steam heat exchanger 15. The heat transfer oil outlet end of the heat transfer oil heat exchanger 10, the heat transfer oil main steam heat exchanger 13 and the heat transfer oil reheat steam heat exchanger 15 is connected to the inlet end of the heat transfer oil confluence tank 14, and the outlet end of the heat transfer oil confluence tank 14 It is connected with a plurality of trough heat collectors 2-2 equipped with heat conduction oil connected in series and then in parallel through the heat conduction oil pipeline 9, and the cold salt tank 11 connected to the inlet end of the...
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The invention discloses a high-efficiency integrated solar thermal power generation system. Various characteristics of a solar thermal power generation technology are utilized, the characteristics of water supply and steam are combined, and a solar groove or linear Fresnel technology for medium and low temperature is adopted, so that the economical efficiency and stability performance of the technology are improved; a tower type or disc type or Fresnel solar thermal power generation technology is adopted at a high-temperature superheat section, the high condensation ratio characteristics of the technologies are utilized, so that the steam pressure and temperature are improved; and therefore, the characteristics that the system has low tracking accuracy requirement at medium and low temperature and has low heat loss at high temperature are exerted, the heat storage and reheat steam performances of groove type solar thermal power generation are considered, the high-temperature high-pressure steam characteristics of the tower type or Fresnel or disc type thermal power generation are realized, and the power generation cost is reduced, the operating reliability is improved, so that the power generation efficiency of the whole solar thermal power generation unit is improved.
Description
technical field [0001] The invention belongs to the technical field of solar thermal power generation systems, and in particular relates to a high-efficiency integrated solar thermal power generation system. Background technique [0002] my country's energy resource reserves are not optimistic, and per capita resources are not rich. The massive development and utilization of fossil energy has caused my country to emit CO 2 The most total. In many places, conventional energy resources are lacking, but solar energy resources are abundant. Solar thermal power generation has the advantages of relatively mature technology and small impact on the power grid, and is one of the most promising power generation methods in renewable energy power generation. Its thermal power conversion part is the same as that of conventional thermal power generating units, and mature technology is available, so it is especially suitable for large-scale use. [0003] In order to improve the efficie...
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IPC IPC(8): F03G6/06F01D15/10
CPCY02E10/46
Inventor 许世森郑建涛徐越刘明义徐海卫刘冠杰裴杰
Owner HUANENG CLEAN ENERGY RES INST