文章(zhang)來源:神(shen)華集團有限責任公司 發布時間:2014-02-18
2月17日,神華神寧煤業集團棗泉礦通過“跳采”工藝重新安裝的110202綜放工作面順利通過驗收,正式投入回采。這也是該礦首次探索以“跳采”方式過斷層。
該工(gong)作(zuo)(zuo)(zuo)面(mian)(mian)(mian)(mian)走向長度2820.5米,傾斜長度267.4米,設計儲量610萬噸,在回采(cai)兩個(ge)月之后遇(yu)到走向長度233米,落(luo)差9至15米的(de)DF42正斷(duan)(duan)層(ceng)(ceng)(ceng)(ceng)(含水巖層(ceng)(ceng)(ceng)(ceng))。在過(guo)斷(duan)(duan)層(ceng)(ceng)(ceng)(ceng)方案制訂過(guo)程中(zhong),該礦綜(zong)合考慮回采(cai)成(cheng)本、煤炭質量及煤炭回收率等(deng)諸多因素,經對比論證并報上級主管(guan)部門批準,決定(ding)采(cai)取“跳采(cai)”方式在斷(duan)(duan)層(ceng)(ceng)(ceng)(ceng)前(qian)方新(xin)開(kai)一(yi)個(ge)工(gong)作(zuo)(zuo)(zuo)面(mian)(mian)(mian)(mian),將工(gong)作(zuo)(zuo)(zuo)面(mian)(mian)(mian)(mian)設備(bei)轉(zhuan)場(chang)“挪”至新(xin)開(kai)切眼,從而將斷(duan)(duan)層(ceng)(ceng)(ceng)(ceng)“甩”到工(gong)作(zuo)(zuo)(zuo)面(mian)(mian)(mian)(mian)后方,“跳”出(chu)斷(duan)(duan)層(ceng)(ceng)(ceng)(ceng)阻攔。承擔該工(gong)作(zuo)(zuo)(zuo)面(mian)(mian)(mian)(mian)回采(cai)的(de)綜(zong)采(cai)三隊(dui),克(ke)服(fu)了(le)工(gong)作(zuo)(zuo)(zuo)面(mian)(mian)(mian)(mian)轉(zhuan)場(chang)過(guo)程中(zhong)設備(bei)拆(chai)運(yun)安裝(zhuang)(zhuang)一(yi)系列難(nan)題,嚴把安全(quan)管(guan)理(li)和安裝(zhuang)(zhuang)質量關(guan),加(jia)班加(jia)點,歷(li)時35天完成(cheng)了(le)“跳采(cai)”任(ren)務(wu),新(xin)安裝(zhuang)(zhuang)工(gong)作(zuo)(zuo)(zuo)面(mian)(mian)(mian)(mian)一(yi)次試運(yun)轉(zhuan)成(cheng)功(gong)。比同等(deng)條件(jian)、同等(deng)回撤工(gong)藝的(de)工(gong)作(zuo)(zuo)(zuo)面(mian)(mian)(mian)(mian)提前(qian)了(le)15天,既避免了(le)回采(cai)過(guo)斷(duan)(duan)層(ceng)(ceng)(ceng)(ceng)給全(quan)礦煤質造成(cheng)的(de)嚴重影響,還(huan)為全(quan)年安全(quan)高效生產贏得了(le)時間(jian)。