斜沟煤矿23108材料巷综掘面硫化氢治理技术研究  

Research on Hydrogen Sulfide Treatment Technology of 23108 MaterialRoadway Face in Xiegou Coal Mine

作　　者：刘宁 LIU Ning(Xieguou Coal Mine,Shanxi Xishan Jinxing Energy Co.,Ltd.,Lüliang 033602,China)

机构地区：[1]山西西山晋兴能源有限责任公司斜沟煤矿,山西吕梁033602

出　　处：《煤》2023年第4期5-9,共5页Coal

基　　金：国家重点研发计划项目:“煤层硫化氢含量测定方法和高效吸收技术与装备”(2017YFC0805200-06);国家自然科学基金项目:“西北地区侏罗纪煤系CO生成机理及规律研究”(50304009)。

摘　　要：为获得综掘面H_2S气体的分布规律,建立H_2S气体涌出数值模型,并利用COMSOL5.3软件进行模拟,结合现场实际提出泡沫吸收液与水幕净化治理措施。模拟结果发现:综掘面迎头回风侧“隅角”处最容易积聚H_2S气体;现场实践结果表明:实施综合治理技术后,综掘机割煤期间距迎头7 m处的H_2S浓度从47.9×10~(-6)减小到6.3×10~(-6),H_2S平均吸收率达到83.9%.In order to obtain the distribution law of H 2S gas on hedged face,a numerical model of H 2S gas emission was established,which was simulated by COMSOL5.3 software,the purification measures of foam absorption solution and water curtain were proposed according to the actual situation on site.The simulation results show that the“corner”of the return air side of the excavation face is the most likely to accumulate H 2S gas.After field practice results show that the implementation of the comprehensive treatment technology and comprehensive tunneling machine cut 7 m in place during the period of coal concentration of H 2S from 47.9×10-6 reduce to 6.3×10-6,H 2S absorption rate of 83.9%on average.

关 键 词：综掘面 泡沫 水幕 硫化氢 隅角 

分 类 号：TD711[矿业工程—矿井通风与安全]