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新汶矿业(集团)公司华丰矿积极推广应用新技术、新工艺,把对矿井各系统各环节的综合优化改造作为改善井上下安全环境的有力举措。该矿推广应用双抗带网和“见三回一”、见五回一“等支护方式,在全岩巷道用锚杆支护代替棚式支护,在锚喷支护巷道试用无尘喷浆工艺;利用电厂灰渣代替河砂拌制喷浆料,使废物得到充分利用;优化了井下供电系统网络和运输排水系统,改造了-450和-750水平转载机运输系统,实现
Xinwen Mining (Group) Company Owen actively promote the use of new technologies and new processes, comprehensive optimization and transformation of various aspects of the mine system as a powerful move to improve the safety environment down well. The mine to promote the use of double anti-strip network and ”See three back one “, see five back one ”and other support methods, in the whole rock roadway with bolt support instead of shed support, The trial use of clean spray technology; the use of power plant ash instead of sand mixing spray slurry, so that waste is fully utilized; optimize the underground power supply system network and transport drainage system, transformation of the -450 and -750 level loader transport system, achieve