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本文介绍汽车发动机燃用近全乙醇燃料的研究.通过对燃用近全乙醇燃料可行性分析,确定了以东风牌EQ6100型汽油机为基础,提出燃用近全乙醇燃料的汽油发动机技术改造方案.针对乙醇燃料的特点,改造调整了原汽油机的供油系统、点火系统、进气预热和保温系统;重新设计了气缸盖,提高了发动机的压缩比.经发动机台架试验及行车试验,证明改造后的汽油机可以满足燃用近全乙醇燃料的要求,发动机总功率比原机提高1%.
In this paper, the research on automobile engine burning near total ethanol fuel is studied.Based on the feasibility analysis of using near full ethanol fuel, the technical innovation scheme of gasoline engine burning near full ethanol fuel is proposed based on Dongfeng EQ6100 gasoline engine. In view of the characteristics of ethanol fuel, the fuel system, ignition system, intake air preheating and heat preservation system of the original gasoline engine are modified and reformed, and the cylinder head is redesigned to improve the compression ratio of the engine.After engine bench test and driving test, After the reform of the gasoline engine to meet the fuel requirements of nearly full ethanol fuel, the total engine power increased by 1% than the original machine.