A System for Reducing Nox Emissions from Syngas Gas Turbines

A gas turbine and synthesis gas technology, applied in the direction of gas turbine devices, mechanical equipment, steam engine devices, etc., can solve the problems of increasing the complexity of system operation control, increasing investment, reducing efficiency, etc., to save equipment and energy consumption, and reduce system energy consumption , The effect of little impact on the flow

Active Publication Date: 2021-07-30
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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Problems solved by technology

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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  • A System for Reducing Nox Emissions from Syngas Gas Turbines

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Embodiment Construction

[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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Abstract

The invention discloses a system for reducing the NOx emission of a synthetic gas gas turbine. The air separation unit communicates with the intake pipeline of the gas turbine compressor through a pipeline through a heating humidifier, and the heated and humidified nitrogen is in a low pressure state (close to normal pressure) It is passed into the intake pipeline of the compressor and mixed with the inlet air in an appropriate proportion, and the carbon dioxide produced by the coal-to-gas decarbonization unit can be further passed through the pipeline through a heating humidifier at a low pressure state (close to normal pressure). into the air intake line of the compressor and mixed with the air therein, and the mixed gas is sent into the gas turbine compressor to reduce the oxygen concentration of the air entering the gas turbine compressor, thereby reducing the oxygen concentration of the air entering the combustion chamber of the gas turbine, realizing The purpose of reducing NOx emissions from syngas gas turbines.

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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Application Information

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Patent Type & Authority Patents(China)
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
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