Optimum investigation of opencut final mining depth 露天礦最終開采深度的優(yōu)化研究
Study on environmental problems raised by china ' s opencut coal mine mining and prevention amp; amp; mitigation measures 我國(guó)露天煤礦開采環(huán)境問題及防治對(duì)策研究
Through opencut mining of cihai hidden iron ore deposit in recent years , it is found that there are multiperiodic diabase walls penetrated the steeply north - inclining iron ore bodies in different directions in early postmineral period so as to destroy the integrity of the iron ore bodies and divide them into many small south - inclining bodies 通過對(duì)該隱伏礦床的露天挖掘開采,發(fā)現(xiàn)鐵礦床在成礦后,早期有多期次輝綠巖墻以不同方向穿插于向北陡傾之鐵礦體中,從而使鐵礦體的完整性受到破壞,肢解成眾多向南傾小礦體。
Abstract : three - stage dust removal system of impinger , centrifugal dust collector , wet fibre - grid scrubber applying to dust collecting of driller in opencut mine is reported in this paper . the operational results show that this system has stable operation , higher dust removal efficiency , less drop pressure and dust concentration of outlet of the system meets emission standard 文摘:介紹了用慣性除塵器、旋風(fēng)除塵器、濕式纖維柵除塵器組成的三級(jí)串聯(lián)除塵系統(tǒng)進(jìn)行露天礦的鉆機(jī)收塵,運(yùn)行結(jié)果表明該系統(tǒng)運(yùn)行可靠,阻力小,除塵效率高,系統(tǒng)出口含塵濃度達(dá)到排放標(biāo)準(zhǔn)。
opencutとは意味:opencut 切通 切り通し きりどおし opencut meaning: Adjective: opencut (of mines and mining) worked from the exposed surface "an opencut iron mine" - opencast [Brit] See also: surface opencut ?:noun, adverb, adjective, OPEN-PITopencut перевод:open-cut (горное) добытый открытым способом; - * mining открытые горные работы траншейный; находящийся на поверхности, на небольшой глубине (метро, дорога, канал) opencut горн. выемка открытая