大型矿山无尾协同平衡模型研究与应用

Research and application of tailless cooperative balance model in large mines

为了解决矿山尾砂固废处置存在的安全隐患和环境污染问题,最大程度实现尾砂减量化、无害化、资源化,推进绿色矿山建设,以矿山无尾矿库协同高效生产为目标,综合考虑矿山开采规模、选厂尾砂产率、不同采矿工艺对充填体浓度和灰砂比的差异化要求、充填体物理性质、富余尾砂处置途径等诸多因素,构建了基于采充平衡和物料平衡的无尾协同平衡模型。基于无尾协同平衡模型,论述了张庄铁矿尾砂固废多级分离梯级利用减量化策略的可行性,阐述了全尾砂高浓度大流量连续充填技术和尾砂固废再生骨料制备及高值利用技术的具体实现形式,最后强调了采充动态精准协同管理的重要性。构建的无尾协同平衡模型对金属非金属矿山具有广泛适用性,可为无尾绿色矿山建设和生产管理提供依据参考。

In order to solve the potential safety hazards and environmental pollution problems of tailings disposal,maximize tailings reduction,harmlessness and resource utilization,and promote the construction of green mines,this paper aims at the collaborative and efficient production of mine tailings-free bins.Based on a comprehensive consideration of the mining scale,the tailings yield of the processing plant,the different requirements of different mining processes on the backfill concentration and lime-sand ratio,the physical properties of the backfill,and the disposal method of surplus tailings,a tailless cooperative balance model was established.Based on the model,the feasibility of the reduction strategy for the multistage separation of tailings in Zhangzhuang iron mine was discussed,and the high-concentration and high-flow continuous backfill and tailings recycled aggregate were described.Furthermore,the importance of dynamic and precise collaborative management of mining and charging was finally emphasized.The tailless cooperative balance model has wide applicability to metal and nonmetal mines,and can provide a reference for the construction and production management of tailless green mines.