基于改进多指标灰靶加权决策的煤层注水参数优化.pdfVIP

第44卷摇 第2期 矿业安全与环保 Vol郾44 No郾2 2017年4月 摇 摇 摇 摇 摇 摇 摇 MINING SAFETY ENVIRONMENTAL PROTECTION摇 摇 摇 摇 摇 摇 摇 摇 摇 Apr郾2017 邱国帅,齐庆杰,董子文.基于改进多指标灰靶加权决策的煤层注水参数优化[J].矿业安全与环保,2017,44(2):57-61. 文章编号:1008-4495(2017)02-0057-05 基于改进多指标灰靶加权决策的煤层注水参数优化 邱国帅,齐庆杰,董子文 (辽宁工程技术大学安全科学与工程学院,辽宁阜新 123000) 摘要:为综合考察煤层注水效果,优化工艺参数,基于COMSOL5.0 注水模拟数据,运用改进多指 标灰靶加权决策模型,围绕注水时间、水分增值、注水压力、注水范围4 个指标展开研究,并结合东荣二 矿实际情况,对指标属性进行算子区间转换等一系列计算。 计算结果表明:4 个指标提取合理,能准确 反映注水效果;所得压力落在实际现有压力范围(6~16 MPa)内,并且达到了最佳注水效果;最理想的 注水压力为15 MPa。 实践证明该决策模型对注水参数的优化是合理的,对工程实际运用有一定的指 导意义。 关键词:模拟数据;煤层注水;改进;灰靶加权决策;参数优化 中图分类号:TD713;TD714摇 摇 摇 文献标志码:A摇 摇 摇 网络出版时间:2017-04-11 10:12 网络出版地址:http:/ / / kcms/ detail/ 50.1062.TD1012.030.html Optimization of Coal Seam Water Injection Parameters Based on Improved Multi-index Weighted Grey Target Decision QIUGuoshuai,QI Qingjie,DONGZiwen (School of Safety Science and Engineering,Liaoning Technical University,Fuxin123000,China) Abstract:Inordertoexaminethewaterinjectioneffectinthecoal seamandoptimizethetechnologicalparametersofwater injection,study was carried out on four indicators of the water injection time,water increment,water injection pressure and injection range based on COMSOL5.0 water injection simulation data and by using the improved multi-index grey target weighted decision model,and by combiningthe actual conditionsof No.2 Dongrong Mine,a seriesof calculationswasmadeon the operator interval conversionoftheindicatorattribute. Thecalcullatedresultsshowedthattheextractionoffourindicatorswas reasonable and they could accurately reflect the effect of water injection;the resulting pressurefalled in the range of the actual existing pressure (6 M