天然气掺氢发动机燃气供给系统设计与试验研究

doi:10.3969/j.issn.1000-1093.2012.10.002

兵工学报 ›› 2012, Vol. 33 ›› Issue (10): 1162-1167.doi: 10.3969/j.issn.1000-1093.2012.10.002

天然气掺氢发动机燃气供给系统设计与试验研究

张朝山¹，熊树生²，任晓帅²，姚红²，徐进²，谢莲²，刘震涛²

(1.浙江经济职业技术学院汽车技术学院，浙江杭州 310018; 2.浙江大学动力机械及车辆工程研究所，浙江杭州 310027)

收稿日期:2012-02-24 修回日期:2012-02-24 上线日期:2014-03-04
作者简介:熊树生（1971—），男，副教授，博士
基金资助:
浙江省自然科学基金项目（Y1090530）；浙江省重大科技专项（2008C01035-2）

Design of Hydrogen Enriched Compressed Natural Gas Engine Fuel System and Test Research

ZHANG Chao-shan¹， XIONG Shu-sheng²， REN Xiao-shuai²， YAO Hong²，

(1.Automobile Technology School, Zhejiang Technical Institute of Economics, Hangzhou 310018, Zhejiang, China;2.Institute of Power Machinery and Vehicular Engineering, Zhejiang University, Hangzhou 310027, Zhejiang, China)

Received:2012-02-24 Revised:2012-02-24 Online:2014-03-04

摘要/Abstract

摘要： 提出了将滑动弧电解制氢装置应用到天然气发动机中，通过电解天然气制氢，轻松实现天然气（CNG）发动机到天然气掺氢（HCNG）发动机的改装。通过自制装置，进行了过量空气系数和点火提前角与燃用不同掺氢比例的HCNG对发动机排放特性影响的试验研究。结果表明，发动机燃用HCNG，其HC和CO的排放都减少，NOx排放量增加，但随着过量空气系数的增加或点火提前角的减少，NOx排放会大大减少，排放性能得到优化。同时进行了体积掺氢比20%的HCNG和纯CNG外特性对比试验研究，结果表明，相比纯CNG，燃用掺氢20%HCNG后，其动力性变化不大，燃料消耗率却相应的减少，经济性得到改善。

关键词: 动力机械工程, 天然气掺氢, 滑动弧电解制氢, 排放, 掺氢比

Abstract: This paper put forward a device installed into the fuel system, which used the sliding electric arc to electrolyze the natural gas to make hydrogen and then blend them into the fuel pipe for final combustion. We could re-equip the compressed natural gas (CNG) engine to hydrogen enriched compressed natural gas (HCNG) engine easily. The test research of the engine emissions characteristics using different hydrogen-CNG ratios was conducted when the excess air ratios and the spark advance angles were different. The results show that HC and CO emissions of engine fueled with HCNG reduce when NOx emissions increase. The NOx emissions are reduced greatly with the increase of the excess air ratio or the decrease of the spark advance angle. Comparative experiments of the performance characteristics of engine burned with HCNG whose volume hydrogen-CNG ratio was 20% and CNG were conducted under wide open throttle operating conditions. The results show that the torque output is unchanged when 20%HCNG is burned compared with CNG engine, but the fuel consumption is reduced and the fuel economy is improved.

Key words: power machinery engineering, hydrogen enriched compressed natural gas, sliding electric arc, emission, hydrogen blending ratio

中图分类号:

TK437

张朝山，熊树生，任晓帅，姚红，徐进，谢莲，刘震涛. 天然气掺氢发动机燃气供给系统设计与试验研究[J]. 兵工学报, 2012, 33(10): 1162-1167.

ZHANG Chao-shan， XIONG Shu-sheng， REN Xiao-shuai， YAO Hong，. Design of Hydrogen Enriched Compressed Natural Gas Engine Fuel System and Test Research[J]. Acta Armamentarii, 2012, 33(10): 1162-1167.

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天然气掺氢发动机燃气供给系统设计与试验研究

Design of Hydrogen Enriched Compressed Natural Gas Engine Fuel System and Test Research

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