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读者的建议编辑同志:您好! 我是沈阳矿务局林盛煤矿科技科的一名工作人员,由于工作关系,对煤矿井下的安全生产有所了解。目前,由于我国煤矿井下安全监测及监控手段不是十分先进,故一些矿井瓦斯及煤尘爆炸时有发生,不安全隐患时刻威胁着矿井的安全生产。例如:《煤矿安全规程》中规定在采掘工作面的进风流中,按体积计算,氧气不得低于20％,二氧化碳不得超过0.5％;有害气体不得超过表1
Editor’s Commentary Editor’s Comrade: Hello! I am a staff member of Lin Sheng Coal Mine Science and Technology Department of Shenyang Mining Bureau. Due to my working relationship, I have some knowledge of mine safety production. At present, due to China’s coal mine safety monitoring and monitoring tools are not very advanced, so some mine gas and coal dust explosion occurred from time to time, unsafe hidden danger threatens mine safety production. For example: “Coal Mine Safety Regulations” provides that in the intake air flow in the mining face, according to the volume calculation, oxygen shall not be less than 20%, carbon dioxide shall not exceed 0.5%; harmful gases shall not exceed Table 1