基于Ventsim的帕鲁特金矿通风网络优化研究  

Ventilation Network Optimization of Pakrut Gold Mine Based on Ventsim

作　　者：张浩强 刘大可 ZHANG Haoqiang;LIU Dake(China Nonferrous Metals Int'1 Mining Pakrut LLC,Beijing 100029,China)

机构地区：[1]中色国矿帕鲁特有限责任公司,北京100029

出　　处：《矿业研究与开发》2024年第9期131-142,共12页Mining Research and Development

基　　金：国家重点研发计划项目(2022YFC2904103);中国有色集团科技专项青年专项项目(2023KJZX003)。

摘　　要：针对帕鲁特金矿井下通风系统所面临的通风能耗过大、深部进风不足、风流短路和循环风以及风流调控不合理等问题,开展了浅部及深部通风系统优化研究。根据帕鲁特金矿井下通风系统现状,通过全矿测风工作全面掌握了井下风速、风流分配情况,分析了全矿通风能力及风阻,采用Ventsim软件建立井下通风与风阻理论模型。利用三维通风数值模拟软件,建立帕鲁特金矿通风系统三维数值模型,开展帕鲁特金矿通风系统风流动态模拟等工作,提出优化调整方案并模拟分析调风效果,实现通风网络优化。研究结果表明,帕鲁特金矿矿井通风受自然风压影响较大,各线路自然通风受季节变化显著;依据深部风量分配优化调整方案,大部分风流经西风井送至深部采区,少部分风流经采区斜坡道向深部斜坡道流动,有效解决了深部采区送风量不足的问题。优化后的通风系统稳定性增强,风量分布趋于合理,对帕鲁特金矿矿井通风管理具有较好的指导作用。Aiming at the problems faced by the underground ventilation system of Pakrut Gold Mine,such as excessive ventilation energy consumption,insufficient deep air intake,short-circuiting and circulating air flow,and irrational regulation of air flow,optimization of the shallow and deep ventilation system was carried out.According to the current situation of underground ventilation system in Pakrut Gold Mine,through mine-wide wind measurement,the underground wind speed and wind flow distribution was achieved,the ventilation capacity and wind resistance of the whole mine were analyzed,and the theoretical model of underground ventilation and wind resistance was established.Using Ventsim software,a three-dimensional numerical model of the ventilation system of Pakrut Gold Mine was established for dynamic simulation of the wind flow in the ventilation system of Pakrut Gold Mine.Then,optimization and adjustment plans were proposed and the effect of wind regulation was simulated and analyzed,so as to realize the optimization of the ventilation network.The results show that the ventilation of Pakrut Gold Mine is greatly affected by the natural wind pressure,and the natural ventilation of each line is significantly affected by seasonal changes.According to the optimization and adjustment plan of deep air distribution,most of the air flow is sent to the deep mining area through the west wind shaft,and a small part of the air flow flows to the deep ramp through the mining area,which has effectively solved the problem of the insufficient air supply in the deep mining area.The optimized ventilation system is more stable and the airflow distribution is more reasonable.The study is a good guide for the ventilation management of Pakrut Gold Mine.

关 键 词：矿井通风 阻力分布 通风网络 风量分配 通风系统优化 节能降耗 

分 类 号：TD724[矿业工程—矿井通风与安全]