本文選題：多元素　切入點(diǎn)：配礦　出處：《東北大學(xué)學(xué)報(bào)(自然科學(xué)版)》2017年07期

【摘要】：針對(duì)爆堆品位分布不均時(shí),露天礦多元素多卸礦點(diǎn)配礦而造成配礦時(shí)間長(zhǎng)、配礦結(jié)果粗略等問(wèn)題,提出了基于目標(biāo)規(guī)劃的露天礦自動(dòng)化配礦優(yōu)化方法.將爆堆離散化為若干規(guī)則單元塊,采用地質(zhì)統(tǒng)計(jì)學(xué)方法,以巖粉取樣數(shù)據(jù)為基礎(chǔ),實(shí)現(xiàn)對(duì)爆堆品位的精細(xì)化預(yù)測(cè);考慮元素配礦優(yōu)先級(jí)的同時(shí),以品位偏差最小為目標(biāo)函數(shù),建立基于目標(biāo)規(guī)劃的露天礦配礦優(yōu)化模型;用C++語(yǔ)言編程并調(diào)用LPSlove求解器求解,輸出露天礦配礦優(yōu)化方案并自動(dòng)圈定爆堆采掘范圍.該方法應(yīng)用于內(nèi)蒙古某大型多金屬露天礦,配礦解算快速,其配礦結(jié)果在品位指標(biāo)允許的誤差范圍之內(nèi),極大提高了配礦效率.
[Abstract]:When the grade distribution of blasting heap is uneven, the ore matching of multi-element multi-unloading ore points in open-pit mine causes the problems of long ore blending time and rough ore matching results, and so on. A method of automatic ore blending optimization based on objective programming is put forward. The blasting heap is discretized into several regular unit blocks and geostatistics method is adopted to realize the fine prediction of the grade of blasting heap based on the sampling data of rock powder. Taking the minimum grade deviation as the objective function, the optimization model of opencast ore blending based on objective programming is established, which is programmed by C language and solved by LPSlove solver. This method is applied to a large polymetallic open-pit mine in Inner Mongolia, where the ore blending solution is quick, and the ore blending results are within the allowable error range of grade index, the method is applied to the optimization scheme of outputting opencast mine and automatically delineating the mining range of exploding heap, and the method is applied to a large polymetallic open-pit mine in Inner Mongolia. The ore blending efficiency is greatly improved.
【作者單位】： 中南大學(xué)資源與安全工程學(xué)院;中南大學(xué)數(shù)字礦山研究中心;
【基金】：國(guó)家自然科學(xué)基金資助項(xiàng)目(41572317) 中南大學(xué)創(chuàng)新驅(qū)動(dòng)計(jì)劃項(xiàng)目(2015CX005)
【分類(lèi)號(hào)】：TD854

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