23103大采高长工作面过断层安全回采实践
- 得陇望蜀
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2018-08-11 00:37:01
文档简介:
江西煤炭科技JIANGXICOALSCIENCE8LTECHNOLOGY2015年第3期NO.3201523103大采高长工作面过断层安全回采实践董波(山西西山晋兴能源有限责任公司斜沟煤矿,山西吕梁033602)摘要:针对23103大采高长工作面开采受断层影响的问题,对断层分布进行了详细的勘探,明确了断层的位置、产状,并通过控制采高、采用采煤机直接割煤、震动爆破、单向扫矸回采工艺,直接通过断层,从而减少了工作面搬家工作量,节约了费用,保证了工作面的连续推进,提高了煤炭资源回收率,取得了较好的技术经济效果。关键词:大采高长工作面;断层;单项割煤;安全回采中圈分类号:TD823.2文献标识码:B文章编号:1oo6—2572(2015)03—0022—03PracticeonSafeMininginCrossingFaultat23103Large-mining-heightLongWorkingFaceDongBo(ShanxiXishanJinxingEnergySourcesCo.,Ltd.,Lvliang,Shanxi033602)Abstract:Byexploringthefaultdistributionanddeterminingthefaultlocationoccurrenceat23103Iarge—mining—heightlongworkingface,theauthorpresentstheminingtechnologyofcrossingfaultbyminingheightcontrol—ling,directcoalcuttingwithshearer,shockblastingandone—wayganguesweeping,whichhasreducedthemov—ingofworkingfacewithcost—saving,guaranteedthecontinuousadvanceofworkingface,improvedthecoalre—sourcesrecoverywithgoodtechnicalandeconomiceffect.Keywords:large—mining—heightlongworkingface;fault;singlecuttingcoal;safemining目前国内综采面过断层的常用技术
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