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首页> 外文期刊>配管·装置·プラント技術 >Development of a high efficiency cogeneration system using biogas for the lower pollution of the environment - (Part 3): combustion characteristics in lower load of a dual fueled CGS using intake air heating and EGR
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Development of a high efficiency cogeneration system using biogas for the lower pollution of the environment - (Part 3): combustion characteristics in lower load of a dual fueled CGS using intake air heating and EGR

机译：利用沼气对环境较低污染的高效热电联产系统的开发 - （第3部分）：使用进气加热和EGR的双重燃料CGS较低负荷的燃烧特性

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In the utilization of the dual fueled cogeneration system (CGS) operated with biogas and gas oil, the CGS has a problem that its thermal efficiency is decreased under dual fuel operation in lower loads. It is supposed that the causes of the problem are the emission of unburned methane that loses energy of biogas, and the decline of combustion speed which decreases conversion efficiency from heat to mechanical power. To solve these problems, the CGS was remodeled with the intake air heating and the exhaust gas re-circulation (EGR) to improve methane combustion. The test results indicate that the intake air heating is effective on improvement of combustion and on reduction of unburned methane emissions although it increases NO{sub}x emissions. EGR also accelerates combustion of methane due to intake air temperature higher, and reduces NO{sub}x emissions because it decreases 02 concentration of charge. Therefore, it is concluded that EGR is the
机译：在用沼气和瓦斯油操作的双燃料热电联产系统（CGS）的利用中，CGS具有在较低载荷的双燃料操作下的热效率降低的问题。 假设问题的原因是失去沼气能量的未燃烧甲烷的发射，以及降低从热量到机械动力的转换效率的燃烧速度的下降。 为了解决这些问题，CGS通过进气加热和废气再循环（EGR）来改造以改善甲烷燃烧。 测试结果表明，进气加热有效地改善燃烧和减少未燃烧的甲烷排放，尽管它增加了NO {Sub} x排放。 EGR还加速甲烷的燃烧，因为进气温高，并且减少了NO {Sub} X排放，因为它降低了02个电荷浓度。 因此，egr是egr是

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