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Research of Natural Gas Ultra Low Emission Combustor

Article of Honda R&D Technical Review Vol.15 No.2

Summary

A homogeneous mixing and autoignition prevention of air and natural gas has been simultaneously obtained adopting a multi-venturi composed with a number of dispersely arranged venturi mixers set up as a premixed lean burn combustor. By applying the characteristics of the venturi mixers, a high accuracy prehension of the state of combustion was enabled, and the enlargement of the premixed combustion range was achieved. The combustor system above was installed on a micro-gas turbine, achieving an ultra low emission level of 3ppm (at 15 percent oxygen equivalent) NOx, CO and THC at 50 to 100 percent load.

Reference

(1) Tou, H., Watanabe, T., Hosoi, J.: Research and Development of Gas Turbine Combustors, IHI ENGINEERING REVIEW, Vol. 34, No. 3, p. 181-185 (1994)
(2) Kajita, S., Ohga, S., Ogata, M., Itaka, S., Kitajima, J., Kimura, T., Okuto, A.: Development of a Dry, low-NOx Combustor for 1 500-Class Gas Turbine, Kawasaki Technical Review, No. 128, p. 25-30 (1996)
(3) Fujimori, T., Saito, T., Mizutani, T., Tou, H.: Research on Low NOx Combustor Using Lean Premixed Pre-Vaporized Combustion in High Temperature and High Pressure Gas Turbine, IHI Engineering Review 2000, Vol. 40, No. 3, p. 83-87 (2000)
(4) Manda, S., Inada, M., Fukue, I., Tanimura, S.: Research on Low NOx Combustor for High-Temperature Gas Turbine, Mitsubishi Heavy Industries Technical Review, Vol. 31, No. 4, p. 243-246 (1994)
(5) Tokyo Electric Power Company: TEPCO Environmental Action Report 2002, p. 113 (2002)
(6) Shinmura, K., Yamaguchi, K., Tsuzuki, S., Kimura, H., Kato, T.: Research of Micro-Gasturbine Generator, HONDA R&D Technical Review, Vol. 15, No. 2, p. 7-16 (2003)
(7) Shinmura, K.: Microturbine Research at HONDA, Presented in 2003 ASME TURBO EXPO Panel session (2003)

Author (organization or company)

Atsushi YAMAZAKI(Wako Research Center)、Masatoshi KUROKAWA(Wako Research Center)、Tsutomu INOUE(Wako Research Center)、Hisashi MURAKAMI(Wako Research Center)

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