The successful development of coal-based integrated gasification combined cycle (IGCC) technology requires gas turbines capable of achieving the dry low nitrogen oxides (NOx) combustion of hydrogen-rich syngas fuels for low emissions and high plant efficiency. Mitsubishi Hitachi Power Systems, Ltd. (MHPS) has been developing a “multiple-injection burner” to achieve the dry low-NOx (DLN) combustion of hydrogen-rich syngas fuels. The purposes of this paper are to present the test results of a multican combustor equipped with multiple-injection burners in an IGCC pilot plant, and evaluate combustor performance by focusing on the effects of flame shapes. The syngas fuel produced in the plant contained approximately 50% carbon monoxide, 20% hydrogen, and 20% nitrogen by volume. In the tests, the combustor with slenderer flames achieved lower NOx emissions of 10.9 ppm (at 15% oxygen), reduced combustor liner and burner plate metal temperatures, and lowered combustion efficiency at the maximum gas turbine load. The test results showed that the slenderer flames were more effective in reducing NOx emissions and liner/burner plate metal temperatures. A comparison with the diffusion-flame combustor demonstrated that the multiple-injection combustors achieved the dry low-NOx combustion of the syngas fuel in the plant.
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September 2015
Research-Article
Performance of Multiple-Injection Dry Low-NOx Combustors on Hydrogen-Rich Syngas Fuel in an IGCC Pilot Plant
Tomohiro Asai,
Tomohiro Asai
Research & Development Center,
e-mail: tomohiro3_asai@mhps.com
Mitsubishi Hitachi Power Systems, Ltd.
,832-2 Horiguchi Hitachinaka-shi
,Ibaraki 312-0034
, Japan
e-mail: tomohiro3_asai@mhps.com
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Satoschi Dodo,
Satoschi Dodo
Hitachi Gas Turbine Engineering Department,
e-mail: satoshi_dodo@mhps.com
Mitsubishi Hitachi Power Systems, Ltd.
,3-1-1 Saiwai-cho Hitachi-shi
,Ibaraki 317-8511
, Japan
e-mail: satoshi_dodo@mhps.com
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Mitsuhiro Karishuku,
Mitsuhiro Karishuku
Hitachi Gas Turbine Engineering Department,
e-mail: mitsuhiro_karishuku@mhps.com
Mitsubishi Hitachi Power Systems, Ltd.
,3-1-1 Saiwai-cho Hitachi-shi
,Ibaraki 317-8511
, Japan
e-mail: mitsuhiro_karishuku@mhps.com
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Nobuo Yagi,
Nobuo Yagi
Hitachi Gas Turbine Engineering Department,
e-mail: nobuo_yagi@mhps.com
Mitsubishi Hitachi Power Systems, Ltd.
,3-1-1 Saiwai-cho Hitachi-shi
,Ibaraki 317-8511
, Japan
e-mail: nobuo_yagi@mhps.com
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Yasuhiro Akiyama,
Yasuhiro Akiyama
Research & Development Center,
e-mail: yasuhiro_akiyama@mhps.com
Mitsubishi Hitachi Power Systems, Ltd.
,832-2 Horiguchi Hitachinaka-shi
,Ibaraki 312-0034
, Japan
e-mail: yasuhiro_akiyama@mhps.com
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Akinori Hayashi
Akinori Hayashi
Research & Development Center,
e-mail: akinori_hayashi@mhps.com
Mitsubishi Hitachi Power Systems, Ltd.
,832-2 Horiguchi Hitachinaka-shi
,Ibaraki 312-0034
, Japan
e-mail: akinori_hayashi@mhps.com
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Tomohiro Asai
Research & Development Center,
e-mail: tomohiro3_asai@mhps.com
Mitsubishi Hitachi Power Systems, Ltd.
,832-2 Horiguchi Hitachinaka-shi
,Ibaraki 312-0034
, Japan
e-mail: tomohiro3_asai@mhps.com
Satoschi Dodo
Hitachi Gas Turbine Engineering Department,
e-mail: satoshi_dodo@mhps.com
Mitsubishi Hitachi Power Systems, Ltd.
,3-1-1 Saiwai-cho Hitachi-shi
,Ibaraki 317-8511
, Japan
e-mail: satoshi_dodo@mhps.com
Mitsuhiro Karishuku
Hitachi Gas Turbine Engineering Department,
e-mail: mitsuhiro_karishuku@mhps.com
Mitsubishi Hitachi Power Systems, Ltd.
,3-1-1 Saiwai-cho Hitachi-shi
,Ibaraki 317-8511
, Japan
e-mail: mitsuhiro_karishuku@mhps.com
Nobuo Yagi
Hitachi Gas Turbine Engineering Department,
e-mail: nobuo_yagi@mhps.com
Mitsubishi Hitachi Power Systems, Ltd.
,3-1-1 Saiwai-cho Hitachi-shi
,Ibaraki 317-8511
, Japan
e-mail: nobuo_yagi@mhps.com
Yasuhiro Akiyama
Research & Development Center,
e-mail: yasuhiro_akiyama@mhps.com
Mitsubishi Hitachi Power Systems, Ltd.
,832-2 Horiguchi Hitachinaka-shi
,Ibaraki 312-0034
, Japan
e-mail: yasuhiro_akiyama@mhps.com
Akinori Hayashi
Research & Development Center,
e-mail: akinori_hayashi@mhps.com
Mitsubishi Hitachi Power Systems, Ltd.
,832-2 Horiguchi Hitachinaka-shi
,Ibaraki 312-0034
, Japan
e-mail: akinori_hayashi@mhps.com
Contributed by the Combustion and Fuels Committee of ASME for publication in the JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Manuscript received December 20, 2014; final manuscript received January 6, 2015; published online February 18, 2015. Editor: David Wisler.
J. Eng. Gas Turbines Power. Sep 2015, 137(9): 091504 (11 pages)
Published Online: September 1, 2015
Article history
Received:
December 20, 2014
Revision Received:
January 6, 2015
Online:
February 18, 2015
Citation
Asai, T., Dodo, S., Karishuku, M., Yagi, N., Akiyama, Y., and Hayashi, A. (September 1, 2015). "Performance of Multiple-Injection Dry Low-NOx Combustors on Hydrogen-Rich Syngas Fuel in an IGCC Pilot Plant." ASME. J. Eng. Gas Turbines Power. September 2015; 137(9): 091504. https://doi.org/10.1115/1.4029614
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