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Meteorological Conditions Analysis of Gas Explosion Accidents in Coal Mine in Zhengzhou Region
Author(s): 
Pages: 84-88
Year: Issue:  8
Journal: SAFETY IN COAL MINES

Keyword:  瓦斯爆炸气象条件大气环流;
Abstract: 利用气象地面观测资料和高空探测资料及煤矿瓦斯事故的相关资料,应用数理统计分析方法,分析了郑州地区煤矿瓦斯爆炸事故的时空分布特征,并对辖区各煤矿1996-2004年间瓦斯事故发生前后大尺度环流背景及单站气象要素的演变作了初步分析.结果表明:瓦斯爆炸事故在全年各月均可出现;在气象要素存在地面气压下降、气温回升的气象条件下,瓦斯爆炸事故较易发生;瓦斯爆炸事故一般出现在地面气压存在负变压有冷锋过境、700 hPa受西北气流控制、850 hPa处于暖温度区的大尺度环流背景下.
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