10604回采工作面规程

0织金县苦李树煤矿回采作业规程工作面名称：10604回采工作面工作面编号：采2015－002号矿长：总工程师：编制：朱伯荣编制日期：2014年12月13日修改日期：2015年11月1日织金县苦李树煤矿回采作业规程1目录第一章概况··································································2第一节工作面位置及井上下关系······················································2第二节煤层及顶底板································································2第三节地质构造····································································3第四节水文地质····································································3第五节储量及服务年限······························································7第二章采煤方法及回采工艺····················································8第一节巷道布置····································································8第二节采煤工艺····································································9第三节采面设备配置·······························································13第四节工艺流程及落煤方式·························································14第三章顶板管理·····························································17第一节支护形式的选择·····························································17第二节工作面支护设计·····························································17第三节工作面支护管理办法························································21第四节工作面上、下两巷及安全出口管理·············································21第五节矿压观测···································································23第四章主要生产系统·························································25第一节运输系统···································································25第二节通风系统···································································26第三节综合防尘系统·······························································28第四节供电·······································································29第五节通信与照明系统·····························································30第五章劳动组织及主要技术经济指标···········································30第一节劳动组织及循环作业组织形式·················································30第二节劳动组织配备·······························································32第六章安全技术措施·························································34第一节一般规定···································································34第二节顶板管理安全措施···························································36第三节移输送机安全技术措施·······················································38第四节防止片帮、冒顶安全技术措施·················································40第五节回柱放顶安全技术措施·······················································40第六节上、下两巷超前维护及回撤支架安全技术措施···································42第七节采面过断层、褶曲带时的安全技术措施·········································43第八节防治水安全措施·····························································44第九节爆破管理···································································44第十节“一通三防”及安全监控·····················································47第十一节运输管理·································································51第十二节机电管理·································································54第十三节文明生产要求·····························································57第七章灾害预防措施及避灾路线···············································57织金县苦李树煤矿回采作业规程2第一章概况第一节工作面位置及井上下关系1、工作面位置：10604采面位于一采区西南翼，其北翼靠近10602采空区，南、西翼靠近矿区边界、东翼为6号煤进风上山。2、地面相对位置：位于中高山区地段，为荒山灌木林。3、回采对地面的影响，10604回采工作面回采后，对地面灌木林山坡有可能造成地表裂隙、塌陷.、裂隙,塌陷落差和平移有0.2m～2m不等；对于塌陷造成的裂缝、落差，如为荒山灌木林，不必处理；如为坡地，则应进行挖填处理，以保证坡地完整，生态修复。4、采面回采时除地表移动、开裂、塌陷外，对相邻工作面无影响。见“工作面回采地质说明书”第二节煤层及顶底板1、煤层厚度：10604回采工作面范围内煤层最大厚度为3.0m，最小厚度为2.0m，平均厚度2.5m。2、煤层产状：工作面范围内煤层走向为65°～70°，倾向为155°～160°，倾角16°～22°，平均19°。煤层在走向上有起伏，倾向上倾角变化较大。3、M6煤层较稳定，但煤层结构较复杂，中间含有一层夹矸，平均厚达0.3m，占12.5%；煤层占87.5%，煤层层理较乱，节理发育，以亮煤为主，暗煤次之，金属光泽，其夹矸在回采中护不住，影响煤质。煤的硬度f：0.6～1.1。4、M6煤种为无烟煤，净煤时煤质较好，但中间含有夹矸时，造成煤质灰分、含矸率增加，发热量降低。无夹矸的净煤为中低硫、低灰、特高热值无织金县苦李树煤矿回采作业规程3烟煤，其发热量达28.89MJ/kg。煤的容重为1.50t/m3，（省地矿中心和省煤田地质局实验室检测鉴定）。5、6号煤层顶底板见《回采地质说明书》第三节地质构造工作面下切眼在掘至42米时遇一落差2米的正断层，对采面正常生产影响较大。其它回采巷道在掘进过程中未遇落差大于0.5米的断层，也未发现陷落柱、火成岩等地质变化或褶曲。第四节水文地质一、含水层（顶部和底部）分析：该采面水文地质条件简单，顶底板均非含水层，富水性弱。在回采巷道掘进过程中，仅在10604风巷及上切眼有顶板裂隙滴水，但不成线。对正常回采影响不大。但由于工作面上部为采空区，回采过程中会因为采动影响，地表水会随大气降水渗透井下，增大工作面涌水，对开采造成影响。二、对工作面回采过程中的具体建议：1、该采面煤层顶板为泥岩伪顶，且厚度在0～0.2m左右，易离层，裂隙发育，回采过程中应加强顶板管理，及时敲帮问顶和支护，防止发生局部冒顶事故。2、回采过程中如遇地质异常，应及时向矿领导汇报。3、局部地段煤层厚度比较大，要防止支柱钻底，造成顶板下沉速快，给工作面支护管理带来难度。10604采面回采地质说明书煤层名称M6水平名称一水平采区名称一采区织金县苦李树煤矿回采作业规程4概况工作面名称10604采面地面标高(m)2100工作面标高(m)1955～1983地面位置位于遍山陡坡地段,为荒山灌木林井下位置及四邻采掘情况采面位于一采区西南翼下部，采面上部为10602采空区，下部为原生煤体，东翼为6号煤进风上山，西翼为矿区边界。回采对地面设施的影响10604采面回采后，对地面灌木林陡坡会造成一定的部分地表开裂、塌陷，塌陷的落差和位移在0.2～2m不等，地面无房屋设施。走向长（m)560倾斜长（m）100面积（㎡）56000煤层情况煤层总厚（m）2.0～3.0煤层结构（%）煤层倾角（°）16～222.595.519可采指数变异系数（%）稳定程度稳定煤层结构较简单，含夹矸1～2层，厚度在0.2～0.4m不等，回采时影响煤炭质量。层理较紊乱，节理发育。由于煤炭基底不平，在走向和倾向上均为褶曲构造，煤层倾角变化较大。煤的容重为1.45t/m3煤质情况M(%)A(%)V(%)Q(MJ/kg)FC(%)S(%)Y(mm)工业牌号21.648.8127.6280.32.132WY煤炭自燃倾向性经六枝工矿集团实验室检测鉴定，为Ⅲ级，不易自燃；煤尘爆炸性经鉴定，无爆炸性。煤层顶底板顶底板名称岩石名称厚度（m）岩性特征老顶泥质粉砂岩1.8～6.85浅灰色，中厚层状，平行层理，裂隙发育，钙、泥质胶结，较坚硬直接顶粉砂质泥岩0.1～1.2灰色，薄层状，平行层理，强度低，平坦断口，具有擦痕，含植物化石。伪顶泥岩0～0.2灰色，薄层状，水平层理，贝壳状断口，具有擦痕，含植物化石。织金县苦李树煤矿回采作业规程5情况直接底粉砂质泥岩0.3～2.7灰色，中厚层状，平行层理，贝壳状断口，水稳定性差。老底粉砂质泥岩＞8.1粉砂质泥岩和泥岩互层，其岩性同上，含菱铁矿团块和植物茎叶化石。地质构造情况矿区位于启化三塘向斜中段。矿区地层受区域性在拱断层的影响，局部产生层间柔皱现象，总体为倾斜的单斜岩层。总体倾向南西，倾角16°～22°，平均倾角19°。10604回采