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Combustion engine island technique

A process method and gas turbine technology, applied in gas turbine devices, fuels, gas fuels, etc., can solve the problems of high pollutant emission, high combustion safety, co-generation and complex IGCC systems, and achieve low NOx emissions, reduced power consumption, The effect of improving system efficiency

Inactive Publication Date: 2009-10-14
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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Problems solved by technology

The traditional combustion method of syngas has the problems of high pollutant emission and combustion safety. Now the combustion method commonly used at home and abroad is dilution diffusion combustion, but the cogeneration and IGCC systems are more complicated. How should the syngas be diluted and what dilution should be used? Issues such as diluting the agent, to what extent, how to achieve the flow matching of the gas turbine, etc. have not yet been resolved.

Method used

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  • Combustion engine island technique
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Embodiment Construction

[0026] See attached figure 1 , is a schematic flow chart of the gas turbine island process method of the present invention, which includes a syngas gas turbine (composed of a compressor 8, a combustion chamber 7 and a turbine 9), a syngas dilution supply scheme (gasifier 1, blender 4 , humidifier 5, superheater 6 and heat exchanger 10), gas turbine compressor air extraction utilization scheme (air separation 2, cooler 3).

[0027] The gas turbine island process flow of the present invention is described as follows:

[0028] like figure 1 The syngas gas turbine shown includes a compressor 8, a combustor 7, and a turbine 9. After being compressed by the compressor 8, most of the air enters the combustor 7, and part of it enters the cooler 3 for waste heat utilization and then supplies the air separation unit 2. The combustor 7 The high-temperature and high-pressure gas after the combustion of the air and the syngas enters the turbine 9 to expand and do work, driving the genera...

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Abstract

The invention relates to a combustion engine island technique which is used for power production of coal joint production and IGCC. By optical matching of a combustion engine and a system, a synthesis gas combustion engine achieves stable, high-efficient and low-pollution operation in the joint production and the IGCC, reaches the performance index of the system and ensures the economy of the system, wherein the technique comprises the use of a synthesis gas turbine, a synthesis gas dilution supply scheme and a suction gas utilization scheme of a gas turbine compressor, and the suction gas utilization scheme of the gas turbine compressor solves the problem of through flow matching of the compressor and the turbine and simultaneously improves the efficiency of the system.

Description

technical field [0001] The invention relates to the technical field of coal cogeneration and integrated gasification combined cycle (IGCC), and is a gas turbine island process method, which mainly includes a matching scheme between a syngas gas turbine and a system, and is used for coal cogeneration and power production in IGCC. Background technique [0002] With the rapid development of my country's economy, the pressure on energy and environment is becoming increasingly urgent. The relatively limited reserves of oil and natural gas and the relative abundance of coal resources determine my country's coal-based energy structure. However, coal is prone to produce a large amount of pollutants in the process of traditional power generation and utilization, and is the main source of environmental pollution in my country. Coal cogeneration and IGCC have opened up new ways for the clean utilization of coal. First, the coal is gasified into synthesis gas. After the synthesis gas is...

Claims

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Application Information

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IPC IPC(8): F02C7/22F02C6/06C10L3/00F01K23/10
CPCY02E20/18
Inventor 王岳张哲巅肖云汉
Owner INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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