Air-steam combined cycle power generation system and method
A combined cycle power generation and steam technology, applied in steam engine installations, combined combustion mitigation, machines/engines, etc., can solve problems such as the lack of universal, convenient and reliable power generation solutions, and improve the thermal cycle economy and reduce power consumption. , the effect of improving the thermal efficiency of the cycle
Active Publication Date: 2021-11-09
XIAN THERMAL POWER RES INST CO LTD
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[0003] To sum up, there is no universal, convenient and reliable power generation scheme for thermal power plants using air-steam combined cycle power generation systems and methods for power generation.
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[0026] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0027] Such as figure 1 As shown, the present invention provides an air-steam combined cycle power generation system, including an air cycle power generation system and a...
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The invention discloses an air-steam combined cycle power generation system and method. The air-steam combined cycle power generation system comprises an air cycle power generation system and a steam cycle power generation system. The air cycle power generation system comprises an air turbine, an air preheater, a low-pressure compressor, a high-pressure compressor and a power generator driven by the air turbine which are coaxially connected; the steam cycle power generation system comprises a water feeding pump, a condenser, a steam turbine and a power generator driven by the steam turbine; the air cycle power generation method comprises the step 1; and the steam cycle power generation method comprises the step 2. According to the air-steam combined cycle power generation system and method provided by the invention, on one hand, the air cycle power generation system is superposed on the basis of a steam circulation power generation system of a traditional thermal power plant, and reabsorption in a water supply system after consumed power of an air compressor is converted into heat is achieved, so that the economical efficiency of the thermal power plant can be effectively improved; and on the other hand, due to the fact that the air is small in heat capacity and rapid in temperature rise, a traditional large-unit thermal power plant can be transformed into a small thermal power plant, so that the load matching performance and the flexibility of the traditional thermal power plant in sparsely populated northern extremely cold areas are improved.
Description
technical field [0001] The invention belongs to the technical field of power generation equipment, and in particular relates to an air-steam combined cycle power generation system and method. Background technique [0002] At present, there are few studies on air-steam combined cycle power generation, but the research on air as the circulating medium mainly focuses on the energy storage and energy release of the power generation system using air as the energy storage medium. For example, the date of authorization is June 18, 2021, and the Chinese patent with the authorization announcement number CN112983566 discloses an energy release subsystem and energy release method applied to compressed air energy storage systems. The air turbine is used to expand and perform work, and the air that has completed the work is directly discharged into the environment, causing an increase in waste heat in the environment, which is not conducive to the improvement of the environment. In addi...
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IPC IPC(8): F01K25/00F01D15/10
CPCF01K25/005F01D15/10Y02E20/16
Inventor 马勇杜文斌韩爽
Owner XIAN THERMAL POWER RES INST CO LTD