Thermal power generation system combined by water saving type solar combustion gas turbine and kalina cycle

Abstract

The invention discloses a thermal power generation system combined by a water saving type solar combustion gas turbine and a kalian cycle, which comprises a tower type heat collecting system for preheating air, a combustion gas turbine system, a combustion gas turbine power generation system and a kalian cycle power generation system, wherein the combustion gas turbine system is used for receiving and gathering solar irradiation energy, converting the received solar irradiation energy to heat energy, transmitting the heat energy to compressed air and then outputting the compressed air to the combustion gas turbine driven by complementation of solar energy and fuel; the combustion gas turbine power generation system is used for receiving heat energy generated by the solar heat generating system and burning of the fuel and converting the heat energy to electric energy; and the kalian cycle power generation system is used for receiving intermediate cold and hot and waste heat of gas exhausted by the combustion gas turbine and converting the intermediate cold and hot and the waste heat to electric energy. According to the invention, the top cycle takes air as a working medium, and the bottom cycle is kalian cycle, so that water consumption in the solar thermal power generation system is reduced, the disadvantage of keeping high vacuum degree in the traditional steam bottom cycle condenser is solved, the cost is reduced, exhaust gas temperature is further decreased, irreversible loss during heat exchanging process is reduced, and the generating efficiency of the cycle is improved.

Description

technical field [0001] The invention relates to the technical field of multi-energy complementarity, in particular to a thermal power generation system combining a water-saving solar gas turbine and a Kalina cycle. Background technique [0002] At present, the existing technologies related to the present invention mainly include solar thermal power generation technology, solar gas turbine technology and Kalina cycle power generation technology, and the above three technologies are described respectively below: [0003] 1. Solar thermal power generation technology [0004] With the increasingly serious environmental problems and the depletion of fossil fuels, the use of renewable energy has attracted much attention. With its unique advantages of "infinite" reserves, universality of existence, cleanness of development and utilization, and gradually revealed economical advantages, solar energy will eventually play an important role in the transfer of the world's energy structu...

AI Technical Summary

Problems solved by technology

However, when the temperature of the driving heat source is high, in order to improve the efficiency of the Kalina cycle, the Kalina system often requires a more complicated design, so the investment also increases accordingly

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