System for reducing NOx emission of synthesis gas turbine
A gas turbine and synthesis gas fuel technology, which is applied to gas turbine devices, mechanical equipment, steam engine devices, etc., can solve the problems of reducing efficiency, increasing the complexity of system operation control, and increasing investment, so as to save equipment and energy consumption, and the impact of flow Small, the effect of reducing system energy consumption
Active Publication Date: 2020-07-24
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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In addition to solving technical problems, these methods either greatly increase investment, or significantly reduce efficiency, or greatly increase the complexity of system operation control
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[0029] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the invention. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. The structure and technical solutions of the present invention will be ...
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The invention discloses a system for reducing NOx emission of a synthesis gas turbine. An air separation unit communicates with an air inlet pipeline of a gas turbine air compressor after passing through a heating and humidification device through a pipeline, heated and humidified nitrogen is led into the air inlet pipeline of the air compressor in a low-pressure state close to the normal pressureand is mixed with the inlet air with a proper proportion, carbon dioxide generated by a coal-to-gas decarburization unit can be further led into the air inlet pipeline of the air compressor through the heating and humidification device via the pipeline in a low-pressure state close to the normal pressure and is mixed with air, mixed gas is conveyed into the gas turbine air compressor, the oxygenconcentration of air entering the gas turbine air compressor is reduced, accordingly, the oxygen concentration of air entering a gas turbine combustion chamber is reduced, and the purpose of reducingNOx emission of the synthesis gas turbine is achieved.
Description
technical field [0001] The invention relates to the technical field of gas turbines, in particular to a system for reducing NOx emissions from synthesis gas gas turbines. Background technique [0002] Gas turbines are a new generation of power devices that utilize clean energy. They can efficiently and cleanly convert gaseous fuels such as natural gas, hydrogen, syngas, and purge gas or liquid fuels such as fuel oil into electricity. It is currently the most efficient large-scale thermal power conversion. device. [0003] When gas turbines use hydrogen-rich synthesis gas fuels (these fuels include coal, biomass and other carbon-containing fuel gasification fuel gas, chemical synthesis process relaxation gas, coke oven gas, etc., the main combustible components are CO and H 2 ), in order to prevent flashback, the traditional premixed low NOx combustion technology is difficult to adopt, and currently, the diffusion combustion method is mainly used. The high temperature of th...
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Login to View More IPC IPC(8): F02C3/30F02C3/28F02C6/18F01K23/10
CPCF01K23/10F02C3/28F02C3/30F02C6/18
Inventor 王波肖云汉张哲巅张士杰赵丽凤
Owner INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI