小紀(ji)(ji)汗(han)煤礦為國家規劃的“陜北侏羅紀(ji)(ji)煤田榆(yu)(yu)橫(heng)礦區(北區)”第一個千萬噸(dun)級現代化礦井(jing),地處榆(yu)(yu)林市城(cheng)西12km,位(wei)于(yu)榆(yu)(yu)林市榆(yu)(yu)陽區小紀(ji)(ji)汗(han)鄉(xiang)。
小紀汗煤(mei)礦(kuang) 。共有9層(ceng)可采(cai)(cai)(cai)(cai)(cai)煤(mei)層(ceng),其(qi)中(zhong)(zhong)2、4-2號(hao)煤(mei)層(ceng)為主采(cai)(cai)(cai)(cai)(cai)煤(mei)層(ceng)。井(jing)(jing)(jing)(jing)(jing)田地(di)質構(gou)造簡單(dan),煤(mei)層(ceng)傾(qing)角(jiao)小于1°,屬水平煤(mei)層(ceng),低瓦(wa)斯礦(kuang)井(jing)(jing)(jing)(jing)(jing),由華電(dian)煤(mei)業(ye)(ye)集(ji)團有限公(gong)司和榆林礦(kuang)業(ye)(ye)集(ji)團有限公(gong)司共同出(chu)資組建。礦(kuang)井(jing)(jing)(jing)(jing)(jing)采(cai)(cai)(cai)(cai)(cai)用斜(xie)(xie)(xie)井(jing)(jing)(jing)(jing)(jing)開拓,盤(pan)區條(tiao)帶式(shi)開采(cai)(cai)(cai)(cai)(cai),設計生產(chan)能力10Mt/a。工業(ye)(ye)場地(di)內(nei)集(ji)中(zhong)(zhong)布置主斜(xie)(xie)(xie)井(jing)(jing)(jing)(jing)(jing)及副斜(xie)(xie)(xie)井(jing)(jing)(jing)(jing)(jing),風井(jing)(jing)(jing)(jing)(jing)場地(di)內(nei)布置中(zhong)(zhong)央進、回風立(li)井(jing)(jing)(jing)(jing)(jing)。其(qi)中(zhong)(zhong)主斜(xie)(xie)(xie)井(jing)(jing)(jing)(jing)(jing)傾(qing)角(jiao)14°,斜(xie)(xie)(xie)長1400m,井(jing)(jing)(jing)(jing)(jing)筒(tong)內(nei)裝(zhuang)備一臺帶寬1800mm的帶式(shi)輸(shu)送機承擔井(jing)(jing)(jing)(jing)(jing)下煤(mei)炭提升任務。副斜(xie)(xie)(xie)井(jing)(jing)(jing)(jing)(jing)傾(qing)角(jiao)6°,斜(xie)(xie)(xie)長3651m,采(cai)(cai)(cai)(cai)(cai)用無軌膠(jiao)輪車連續運輸(shu)。礦(kuang)井(jing)(jing)(jing)(jing)(jing)投產(chan)時(shi)裝(zhuang)備兩套高(gao)產(chan)高(gao)效綜采(cai)(cai)(cai)(cai)(cai)工作面,三套連續采(cai)(cai)(cai)(cai)(cai)煤(mei)機掘進工作面,采(cai)(cai)(cai)(cai)(cai)掘設備大部(bu)分進口。
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