1) fire enclosure
火区密封
2) pack-off sealing area
封隔密封区
3) airtight area
密封区
1.
To vent the gas in the airtight areas safely and effectively, our department adoptes pressuring ventilation and has gained very good impac.
为了安全、有效地排放密封区域的瓦斯,在华晋焦煤公司沙曲矿北风并区采用“压风法”,取得了非常好的效果,值得推广。
4) seal ring area
密封环区
5) shaft seal area
轴密封区
6) fire zone close down
火区封闭
1.
This paper analysizes the reason of coal well explosion,calculates the explosive limitiation of flammable gas,analysizes explosive fatalness after fire zone close down、Sorts of control technology of explosion and blunt are studied.
分析了煤矿矿井可燃气体发生爆炸的原因,对可燃性混合气体的爆炸极限进行了计算,分析了火区封闭后可燃气体爆炸的危险性,研究了各种燃烧及爆炸抑制技术。
补充资料：HⅡ区和HⅠ区
见电离氢区和中性氢区。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条