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Trough type solar combined cycle power generation system

A technology of combined cycle power generation and trough solar energy, which is applied in solar thermal power generation, solar heating systems, solar heat storage, etc., can solve the problems of high pressure on fossil energy supply and large carbon emissions, so as to improve energy conversion efficiency and prolong The number of power generation hours and the effect of reducing the secondary heat exchanger

Active Publication Date: 2016-10-12
SOUTHEAST UNIV
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Problems solved by technology

The existing energy structure has problems such as high p

Method used

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  • Trough type solar combined cycle power generation system

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing, the present invention will be further described.

[0023] figure 1 There are: trough solar collector 1, hot tank 2, cold tank 3, heat exchanger 4, regenerator 5, gas turbine 6, cooler 7, compressor 8, first generator 9, steam turbine 10 , condenser 11, feed water pump 12, second generator 13.

[0024] Such as figure 1 As shown, a trough solar combined cycle power generation system provided by the present invention includes: a trough solar heat collector 1, a hot tank 2, a cold tank 3, a heat exchanger 4, a regenerator 5, and a gas turbine 6 , cooler 7, compressor 8, first generator 9, steam turbine 10, condenser 11, feed water pump 12, second generator 13.

[0025] The concentrator in the above-mentioned trough solar heat collector 1 uses tracking technology to reflect and concentrate sunlight to the heat collecting tube, and heat the low-temperature molten salt in the tube. The tracking method is polar axis tracking, ...

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Abstract

The invention relates to the field of solar thermal power generation and discloses a trough type solar combined cycle power generation system. The system mainly comprises a trough type solar thermal collection device, a heat storage and exchange device, a closed Brayton cycle power generation device and a Rankine cycle power generation device. The trough type solar thermal collection device is used for converting solar radiation into thermal energy, heat is provided for the closed Brayton cycle power generation device through the heat storage and exchange device, and supercritical carbon dioxide is adopted as a cycle working medium for working in a turbine so as to drive a generator to generate electric energy; and the heat storage and exchange device is connected with a steam turbine, steam is generated to drive the steam turbine to rotate, and power is generated through the generator. The trough type solar combined cycle power generation system can provide stable electric energy, and the power generation efficiency is improved.

Description

technical field [0001] The invention relates to a trough solar combined cycle power generation system, which belongs to the technical field of new energy utilization. Background technique [0002] Energy is closely related to human survival, and it is the material basis for improving people's living standards and developing world civilization. The existing energy structure has problems such as high pressure on fossil energy supply and large carbon emissions. In order to alleviate environmental pressure, meet the growing energy demand, and achieve sustainable development, the development of renewable energy is particularly important. Fully replacing fossil resources with renewable energy and raw materials is an important way to solve the energy crisis. Solar energy is the most widely distributed and cleanest on the earth, and it is also an inexhaustible renewable energy source, which is an ideal alternative energy source. [0003] Trough solar thermal power generation tech...

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Application Information

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IPC IPC(8): F03G6/06F01K25/10F01D15/10F24J2/34F24J2/30F24S10/30
CPCF01D15/10F01K25/103F02G2250/03F03G6/064F24S10/30F24S60/00Y02E10/44Y02E10/46Y02E20/14Y02E20/16
Inventor 邴旖旎王军刘婷婷蒋川周元兴黄秀勇
Owner SOUTHEAST UNIV
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