無(wú)底柱分段崩落法中鋼集團(tuán)馬鞍山礦山研究院有限公司無(wú)底柱分段崩落法11無(wú)底柱分段崩落法現(xiàn)狀2無(wú)底柱大參數(shù)開(kāi)采出球體組合加大采場(chǎng)結(jié)構(gòu)參數(shù)大問(wèn)距采礦主要優(yōu)點(diǎn)國(guó)內(nèi)應(yīng)用現(xiàn)狀存在的問(wèn)題3低貧化放礦與截止品位放礦的區(qū)別低貧化放礦優(yōu)勢(shì)應(yīng)用方案目前國(guó)內(nèi)應(yīng)用及前景4結(jié)論1無(wú)底柱分段崩落法21無(wú)底柱分段崩落法工藝特點(diǎn)11現(xiàn)狀工藝無(wú)底柱分段崩落法是一種平面展開(kāi)分層,利用進(jìn)路對(duì)礦體進(jìn)行切割,然后采用中深孔鑿巖,在進(jìn)路內(nèi)進(jìn)行出礦的一種機(jī)械化程度高,作業(yè)安全,相對(duì)成本較低的開(kāi)采方法。1無(wú)底柱分段崩落法工藝特點(diǎn)31無(wú)底柱分段崩落法工藝特點(diǎn)■特點(diǎn)■無(wú)底柱分段崩落法具有操作簡(jiǎn)單、開(kāi)采強(qiáng)度大、機(jī)槭化程度高、安全、采礦成本相對(duì)較低等優(yōu)點(diǎn),在國(guó)內(nèi)地下金屬礦山得到了大范圍的推應(yīng)用,是地下金屬礦山應(yīng)用最多、最廣的開(kāi)采方法,為我國(guó)地下礦山的發(fā)展起到了積極的推動(dòng)作用。1無(wú)底柱分段崩落法工藝特點(diǎn)41無(wú)底柱分段崩落法-關(guān)鍵點(diǎn)無(wú)底柱開(kāi)采關(guān)鍵點(diǎn)-結(jié)構(gòu)參數(shù)=(進(jìn)路間距、分層高度、崩礦步距)三者組合鑿巖設(shè)備炮孔裝藥出礦設(shè)備鑿巖參數(shù)三級(jí)礦量配備覆蓋巖形成方式采場(chǎng)出礦制度其中對(duì)開(kāi)采指標(biāo)及成本影響最大的就是結(jié)構(gòu)參數(shù)(包括進(jìn)路間距、分段高度及崩礦步距)和放礦方式。1無(wú)底柱分段崩落法-關(guān)鍵點(diǎn)5無(wú)底柱分段崩落法課件6無(wú)底柱分段崩落法課件7無(wú)底柱分段崩落法課件8無(wú)底柱分段崩落法課件9無(wú)底柱分段崩落法課件10無(wú)底柱分段崩落法課件11無(wú)底柱分段崩落法課件12無(wú)底柱分段崩落法課件13無(wú)底柱分段崩落法課件14無(wú)底柱分段崩落法課件15無(wú)底柱分段崩落法課件16無(wú)底柱分段崩落法課件17無(wú)底柱分段崩落法課件18無(wú)底柱分段崩落法課件19無(wú)底柱分段崩落法課件20無(wú)底柱分段崩落法課件21無(wú)底柱分段崩落法課件22無(wú)底柱分段崩落法課件23無(wú)底柱分段崩落法課件24無(wú)底柱分段崩落法課件25無(wú)底柱分段崩落法課件26無(wú)底柱分段崩落法課件27無(wú)底柱分段崩落法課件28無(wú)底柱分段崩落法課件29無(wú)底柱分段崩落法課件30無(wú)底柱分段崩落法課件31無(wú)底柱分段崩落法課件32無(wú)底柱分段崩落法課件33無(wú)底柱分段崩落法課件34無(wú)底柱分段崩落法課件35無(wú)底柱分段崩落法課件36無(wú)底柱分段崩落法課件37無(wú)底柱分段崩落法課件38無(wú)底柱分段崩落法課件39無(wú)底柱分段崩落法課件40無(wú)底柱分段崩落法課件41無(wú)底柱分段崩落法課件42無(wú)底柱分段崩落法課件43無(wú)底柱分段崩落法課件44無(wú)底柱分段崩落法課件45無(wú)底柱分段崩落法課件46無(wú)底柱分段崩落法課件47無(wú)底柱分段崩落法課件48無(wú)底柱分段崩落法課件49無(wú)底柱分段崩落法課件50無(wú)底柱分段崩落法課件51無(wú)底柱分段崩落法課件52無(wú)底柱分段崩落法課件53無(wú)底柱分段崩落法課件54無(wú)底柱分段崩落法課件55無(wú)底柱分段崩落法課件56無(wú)底柱分段崩落法課件57無(wú)底柱分段崩落法課件58無(wú)底柱分段崩落法課件59無(wú)底柱分段崩落法課件60無(wú)底柱分段崩落法課件61無(wú)底柱分段崩落法課件62無(wú)底柱分段崩落法課件63無(wú)底柱分段崩落法課件64無(wú)底柱分段崩落法課件65無(wú)底柱分段崩落法課件66無(wú)底柱分段崩落法課件67無(wú)底柱分段崩落法課件68無(wú)底柱分段崩落法課件69無(wú)底柱分段崩落法課件70無(wú)底柱分段崩落法課件71無(wú)底柱分段崩落法課件72無(wú)底柱分段崩落法課件73無(wú)底柱分段崩落法課件74無(wú)底柱分段崩落法課件75無(wú)底柱分段崩落法課件76無(wú)底柱分段崩落法課件77無(wú)底柱分段崩落法課件78無(wú)底柱分段崩落法課件79無(wú)底柱分段崩落法課件80無(wú)底柱分段崩落法課件81無(wú)底柱分段崩落法課件82無(wú)底柱分段崩落法中鋼集團(tuán)馬鞍山礦山研究院有限公司無(wú)底柱分段崩落法831無(wú)底柱分段崩落法現(xiàn)狀2無(wú)底柱大參數(shù)開(kāi)采出球體組合加大采場(chǎng)結(jié)構(gòu)參數(shù)大問(wèn)距采礦主要優(yōu)點(diǎn)國(guó)內(nèi)應(yīng)用現(xiàn)狀存在的問(wèn)題3低貧化放礦與截止品位放礦的區(qū)別低貧化放礦優(yōu)勢(shì)應(yīng)用方案目前國(guó)內(nèi)應(yīng)用及前景4結(jié)論1無(wú)底柱分段崩落法841無(wú)底柱分段崩落法工藝特點(diǎn)11現(xiàn)狀工藝無(wú)底柱分段崩落法是一種平面展開(kāi)分層,利用進(jìn)路對(duì)礦體進(jìn)行切割,然后采用中深孔鑿巖,在進(jìn)路內(nèi)進(jìn)行出礦的一種機(jī)械化程度高,作業(yè)安全,相對(duì)成本較低的開(kāi)采方法。1無(wú)底柱分段崩落法工藝特點(diǎn)851無(wú)底柱分段崩落法工藝特點(diǎn)■特點(diǎn)■無(wú)底柱分段崩落法具有操作簡(jiǎn)單、開(kāi)采強(qiáng)度大、機(jī)槭化程度高、安全、采礦成本相對(duì)較低等優(yōu)點(diǎn),在國(guó)內(nèi)地下金屬礦山得到了大范圍的推應(yīng)用,是地下金屬礦山應(yīng)用最多、最廣的開(kāi)采方法,為我國(guó)地下礦山的發(fā)展起到了積極的推動(dòng)作用。1無(wú)底柱分段崩落法工藝特點(diǎn)861無(wú)底柱分段崩落法-關(guān)鍵點(diǎn)無(wú)底柱開(kāi)采關(guān)鍵點(diǎn)-結(jié)構(gòu)參數(shù)=(進(jìn)路間距、分層高度、崩礦步距)三者組合鑿巖設(shè)備炮孔裝藥出礦設(shè)備鑿巖參數(shù)三級(jí)礦量配備覆蓋巖形成方式采場(chǎng)出礦制度其中對(duì)開(kāi)采指標(biāo)及成本影響最大的就是結(jié)構(gòu)參數(shù)(包括進(jìn)路間距、分段高度及崩礦步距)和放礦方式。1無(wú)底柱分段崩落法-關(guān)鍵點(diǎn)87無(wú)底柱分段崩落法課件88無(wú)底柱分段崩落法課件89無(wú)底柱分段崩落法課件90無(wú)底柱分段崩落法課件91無(wú)底柱分段崩落法課件92無(wú)底柱分段崩落法課件93無(wú)底柱分段崩落法課件94無(wú)底柱分段崩落法課件95無(wú)底柱分段崩落法課件96無(wú)底柱分段崩落法課件97無(wú)底柱分段崩落法課件98無(wú)底柱分段崩落法課件99無(wú)底柱分段崩落法課件100無(wú)底柱分段崩落法課件101無(wú)底柱分段崩落法課件102無(wú)底柱分段崩落法課件103無(wú)底柱分段崩落法課件104無(wú)底柱分段崩落法課件105無(wú)底柱分段崩落法課件106無(wú)底柱分段崩落法課件107無(wú)底柱分段崩落法課件108無(wú)底柱分段崩落法課件109無(wú)底柱分段崩落法課件110無(wú)底柱分段崩落法課件111無(wú)底柱分段崩落法課件112無(wú)底柱分段崩落法課件113無(wú)底柱分段崩落法課件114無(wú)底柱分段崩落法課件115無(wú)底柱分段崩落法課件116無(wú)底柱分段崩落法課件117無(wú)底柱分段崩落法課件118無(wú)底柱分段崩落法課件119無(wú)底柱分段崩落法課件120無(wú)底柱分段崩落法課件121無(wú)底柱分段崩落法課件122無(wú)底柱分段崩落法課件123無(wú)底柱分段崩落法課件124無(wú)底柱分段崩落法課件125無(wú)底柱分段崩落法課件126無(wú)底柱分段崩落法課件127無(wú)底柱分段崩落法課件128無(wú)底柱分段崩落法課件129無(wú)底柱分段崩落法課件130無(wú)底柱分段崩落法課件131無(wú)底柱分段崩落法課件132無(wú)底柱分段崩落法課件133無(wú)底柱分段崩落法課件134無(wú)底柱分段崩落法課件135無(wú)底柱分段崩落法課件136無(wú)底柱分段崩落法課件137無(wú)底柱分段崩落法課件138無(wú)底柱分段崩落法課件139無(wú)底柱分段崩落法課件140無(wú)底柱分段崩落法課件141無(wú)底柱分段崩落法課件142無(wú)底柱分段崩落法課件143無(wú)底柱分段崩落法課件144無(wú)底柱分段崩落法課件145無(wú)底柱分段崩落法課件146無(wú)底柱分段崩落法課件147無(wú)底柱分段崩落法課件148無(wú)底柱分段崩落法課件149無(wú)底柱分段崩落法課件150無(wú)底柱分段崩落法課件151無(wú)底柱分段崩落法課件152無(wú)底柱分段崩落法課件1