煤矿井下瓦斯传输管网泄漏污染风险评价研究

Risk Assessment on Leakage Pollution of Underground Gas Transmission Pipe Network in Coal Mine

针对现有煤矿井下瓦斯传输管网泄漏污染风险评价等级划分较为粗糙、评估结果精准度较低的问题,提出煤矿井下瓦斯传输管网泄漏污染风险评价方法。先对矿井内土壤与空气进行采集分析,获取原始评价数据。然后增加生态评价指标以及人体健康评价指标,构建瓦斯传输管网泄漏污染风险评价指标体系。最后使用矩形评估方法、层次分析法,构建管网泄漏污染风险评价模型。测试结果表明:此方法可确定管线泄漏点,获取可靠性较高的原始数据,细化风险评价等级,进一步提升评估结果精准度。

Aiming at the problems of rough classification and low accuracy of evaluation results of leakage pollution risk assessment of underground gas transmission pipeline network in coal mines,this paper proposes a risk assessment method for leakage pollution of underground gas transmission pipeline network in coal mines.First,it collects and analyzes the soil and air in the mine to obtain the original evaluation data.Then the ecological evaluation index and human health evaluation index are added to build the gas transmission pipeline leakage pollution risk evaluation index system.Finally,the rectangular evaluation method and analytic hierarchy process are used to build the risk assessment model of pipeline leakage pollution.The test results show that this method can determine the pipeline leakage point,obtain the original data with high reliability,refine the risk assessment level,and further improve the accuracy of the assessment results.