環境工学総合シンポジウム講演論文集
Online ISSN : 2424-2969
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201 廃棄物ガス化発電用混焼ディーゼルエンジンの機関特性
安藤 裕一吉川 邦夫遠藤 浩之
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会議録・要旨集 フリー

p. 152-155

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Heating value of gaseous fuel produced from solid fuel (wastes and biomass) gasification systems is as low 1/10 of that of natural gas, and there is almost no established energy conversion methods for such low-BTU gas. Two kinds of simulated low-BTU gas produced from natural gas diluted with nitrogen (methane rich) and obtained from two-step pyrolysis/reforming gasification (contain hydrogen and CO) were tested in a commercial-scale dual fueled diesel engine. In these experiments, power output was fixed at 37kW, 29kW, 22kW and 11kW respectively by controlling the gas oil supply, when low-BTU gas supply was changed. It was demonstrated that nearly 80% of oil supply can be replaced by low-BTU fuel gas with slight decrease of the thermal efficiency. It is possible to reduce NOx emission by low-BTU gas supply. Experimental results show that dual fueled diesel engines are quite feasible option for efficient utilization of low-BTU gas.
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© 2002 一般社団法人 日本機械学会
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