在我国,几乎所有的煤矿和部分非煤矿山都是地下开采,矿井通风状况的好坏直接关系到井下开采的安全,关系到井下作业人员的健康和生命安全。所以搞好矿井通风工作是地下开采的重要环节。 一、矿井通风的目的 (一)降低有毒有害气体和粉尘的浓度 矿床开采过程中,经常产生或渗出有毒 In our country, almost all coal mines and some non-coal mines are underground mining. The ventilation status of mines directly affects the safety of underground mining and the health and life safety of underground workers. Therefore, mine ventilation work is an important part of underground mining. First, the purpose of mine ventilation (A) to reduce the concentration of toxic and harmful gases and dust In the mining process, often produce or exudate toxic