基于AHP-FUZZY的某锌金多金属矿采矿方法优选

The Optimization of Mining Methods for a Zinc-gold Polymetallic Ore Based on AHP-FUZZY

针对某锌金多金属矿矿体形态复杂,产状差异明显等突出问题,提出运用AHP-FUZZY(层次分析-模糊数学法)对多种采矿方法进行综合评价并优选。将采矿方法优选作为多目标决策的系统工程,充分考虑经济、技术和安全方面的因素,先采用层次分析法构建采矿方法优选的综合评价指标模型,确定各种因素权向量,再结合模糊数学确定各种因素隶属度矩阵,并计算出各种采矿方法的综合优越度并进行比选。以该锌金多金属矿各项指标参数代入模型计算得出初选的3种采矿方法优越度分别为:90.86%、81.86%和74.16%,故选取上向水平分层进路充填采矿法(方案Ⅰ)为适合该的最优采矿方法。矿山现场工业试验结果表明,所优选的采矿方法在实际生产过程中具有很好的实用性。

Aiming at the prominent problems such as complex shape and obvious difference of occurrence of ore body in a zincgold polymetallic ore body, AHP-FUZZY(analytic hierarchy process-FUZZY mathematical method) was used for comprehensive evaluation and optimization on various mining methods.The economic,technological and security factors were fully considered,and the optimization of mining methods was selected as a system engineering with multi-goal decision making.Firstly,the analytic hierarchy process(AHP)was used to build the comprehensive evaluation index model for the optimization of mining methods,and the weight vectors of various factors were determined.Then,the membership matrix of various factors was determined by combining fuzzy mathematics,and the comprehensive superiority degrees of various mining methods were calculated and compared.The indexes and parameters of the zinc-gold polymetallic ore were put into the model to calculate,and the superiority degrees of the three primary mining methods were 90.86%,81.86%,and 74.16%,respectively.Therefore,the upward horizontal stratified approach filling mining method(Plan Ⅰ)was selected as the optimal mining method suitable for this mine.The field test results showed that the optimized mining method had a good practicability in the actual production process.