金渠金矿通风系统改造方案的优选与实践
发布时间：2018-10-18 06:31
【摘要】：为解决金渠金矿1118m坑口280 m中段作业环境高温热害和通风效果差等问题,在综合熵权法和TOPSIS(逼近理想解排序法)基本理论的基础上,构建熵权TOPSIS综合评判模型对通风系统优化改造方案进行优选。结合金渠金矿井下通风现状,分析其存在问题并拟定出3个改造方案,利用熵权TOPSIS综合评判模型计算出3个方案的综合优越度分别为46.3%,37.8%,61.5%,从而确定方案三为最优方案。针对优选出的方案三从通风网络布局、风机选型、通风构筑物设置等三方面对井下通风系统进行了改造实践并采取了相应的降温措施。结果表明:现场实测280m中段作业面温度26.4℃,有效风量1.76m~3/s。
[Abstract]:In order to solve the problems of high temperature thermal damage and poor ventilation effect in 1118m pit 280m section of Jinqu gold mine, the basic theory of comprehensive entropy weight method and TOPSIS (approximate ideal solution ranking method) is used to solve the problem. A comprehensive evaluation model of entropy weight TOPSIS is constructed to optimize the ventilation system. Combined with the present situation of underground ventilation in Jinqu Gold Mine, the existing problems are analyzed and three retrofit schemes are worked out. By using the entropy weight TOPSIS comprehensive evaluation model, the comprehensive superiority of the three schemes is calculated to be 46.3% and 37.8%, respectively, and the optimum scheme is determined as the third scheme. According to the optimized scheme three, the ventilation system is reformed from three aspects: the layout of ventilation network, the selection of fan, the setting of ventilation structure and so on, and the corresponding cooling measures are taken. The results show that the operating surface temperature is 26.4 鈩，
本文编号：2278286
[Abstract]:In order to solve the problems of high temperature thermal damage and poor ventilation effect in 1118m pit 280m section of Jinqu gold mine, the basic theory of comprehensive entropy weight method and TOPSIS (approximate ideal solution ranking method) is used to solve the problem. A comprehensive evaluation model of entropy weight TOPSIS is constructed to optimize the ventilation system. Combined with the present situation of underground ventilation in Jinqu Gold Mine, the existing problems are analyzed and three retrofit schemes are worked out. By using the entropy weight TOPSIS comprehensive evaluation model, the comprehensive superiority of the three schemes is calculated to be 46.3% and 37.8%, respectively, and the optimum scheme is determined as the third scheme. According to the optimized scheme three, the ventilation system is reformed from three aspects: the layout of ventilation network, the selection of fan, the setting of ventilation structure and so on, and the corresponding cooling measures are taken. The results show that the operating surface temperature is 26.4 鈩，
本文编号：2278286
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