保兴煤矿瓦斯防治方案(定稿).doc

贵州久益矿业股份有限公司

水城县都格乡保兴煤矿

瓦斯防治方案

2020年3月10日

目录

一、总体要求....................................................................................................................1

（一）指导思想............................................................................................................1

（二）工作目标............................................................................................................1

（三）编制依据............................................................................................................1

二、矿井概况......................................................................................................................3

（一）井田概况............................................................................................................4

（二）煤层赋存情况..................................................................................................10

（三）开拓开采情况..................................................................................................20

（四）其他开采技术条件..........................................................................................25

三、煤矿瓦斯防治现状及存在的问题............................................................................29

（一）矿井瓦斯防治基本情况..................................................................................29

（二）矿井瓦斯防治现状..........................................................................................62

（三）矿井瓦斯防治存在的问题分析.....................................................................86

四、整改方案....................................................................................................................91

（一）通风系统整改方案..........................................................................................91

（二）瓦斯地质整改方案..........................................................................................94

（三）瓦斯参数测定和突出危险性鉴定整改方案.................................................96

（四）防