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1987•Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle InnovationsRequires access

Development of Dry Two-Stage Low-NOx Combustor for a Gas Turbine

M. Kuroda, Yuuki Ishibashi, N. Iizuka, Yoshitada Uchiyama, Ichiya Sato, K. Wada, K. Tokunaga, Takahiro Hata

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Abstract

A dry two-stage low NOx combustor for a 73 MW gas turbine has been developed to meet stringent NOx limitations in Japan. This combustion system has a fuel-air control mechanism to ensure stable switching from one-stage combustion to two-stage combustion. NOx emission is very low not only at full load but also in the entire gas turbine operating range. The NOx characteristics have proved to be within the goal in full scale, full pressure combusion tests. This paper outlines the development plan and describes the structure and combustion characteristics of the low NOx combustor.

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What this paper is about

A dry two-stage low NOx combustor for a 73 MW gas turbine has been developed to meet stringent NOx limitations in Japan. This combustion system has a fuel-air control mechanism to ensure stable switching from one-stage combustion to two-stage combustion. NOx emission is very low not only at full load but also in the entire gas turbine operating range. The NOx characteristics have proved to be within the goal in full scale, full pressure combusion tests. This paper outlines the development plan and describes the structure and combustion characteristics of the low NOx combustor.

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OpenAlex reports 2 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A dry two-stage low NOx combustor for a 73 MW gas turbine has been developed to meet stringent NOx limitations in Japan. This combustion system has a fuel-air control mechanism to ensure stable switching from one-stage combustion to two-stage combustion. NOx emission is very low not only at full load but also in the entire gas turbine operating range. The NOx characteristics have proved to be within the goal in full scale, full pressure combusion tests. This paper outlines the development plan and describes the structure and combustion characteristics of the low NOx combustor.

Key concepts: Combustor, NOx, Combustion, Gas turbines, Stage (stratigraphy), Environmental science, Combustion chamber, Automotive engineering

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