矿井乏风流作为锅炉供风的燃烧分析  

Combustion analysis of mine Ventilation Air Methane as boiler combustion wind

作　　者：徐克涛[1] 陈拥军[1] 刘亚克 

机构地区：[1]大连理工大学能源与动力工程学院,辽宁大连116024 [2]中国华电工程(集团)有限公司,北京100044

出　　处：《节能》2011年第7期45-50,4,共6页Energy Conservation

摘　　要：矿井乏风作为一种不可再生资源直接排放到大气中,不仅造成了资源的浪费,而且加剧了温室效应。为达到节能减排的目的,如何利用低浓度瓦斯是迫切需要研究的课题。首先介绍将矿井乏风作为锅炉供风进行燃烧计算,通过热力计算对比分析其热经济性,并对低浓度甲烷的应用前景进行了展望。其次,通过应用计算流体动力学软件F luent模拟锅炉炉膛内的燃烧,模拟在不同条件下炉膛内的燃烧情况,分析矿井乏风流作为锅炉供风的可行性,为合理利用矿井乏风提供实验依据。Direct discharge of Ventilation Air Methane(VAM),as a non-renewable resource,is not only a waste of natural resources but exacerbation of greenhouse effect.In order to save energy and reduce exhaust,how to use low concentration of methane is a subject needed urgently to be studied.This paper firstly introduces combustion calculation of VAM as boiler combustion wind and comparative analysis the thermal economy through thermodynamic calculation,and the prospects for utilization of low concentration methane are described in the paper.Secondly,through simulate boiler combustion process by using computational fluid dynamics(CFD) software Fluent,ignition conditions under different conditions in the combustion chamber are simulated,the feasibility of VAM as boiler combustion wind is analyzed,which provide experimental evidence for the rational use of VAM.

关 键 词：矿井乏风 四角切向燃烧锅炉 锅炉热平衡 数值模拟 

分 类 号：TK16[动力工程及工程热物理—热能工程]