衡水煤矿采取措施提高炮采产块率衡水煤矿通过不断探索和实践，使无烟煤炮采产块率提高１０％以上。这矿为扭转过去片面追求产量，在工作中图省力、多打眼、放大炮的现象，技术部门根据不同煤层、不同煤质，制定了相应的煤破措施：合理布置炮眼位置和确定装药量，采取正向... Hengshui coal mine to take measures to improve blast furnace production rate Hengshui coal mine through continuous exploration and practice, anthracite gun production block rate increased by 10% or more. The mine to reverse the past, one-sided pursuit of output, work in the map of labor-saving, multi-eye, the phenomenon of artillery, technical departments according to different seams, different coal quality, developed a corresponding coal measures: reasonable arrangement of the hole location and determine the charge , Take positive ...