煤矿副井千米深井冻结技术的实践  

Practice of Freezing Technology in Kilometer Deep Coal Mine Auxiliary Shaft

作　　者：马宏伟 Ma Hongwei(Jinneng Holding Coal Industry Group Wajinwan Hulonggou Coal Industry Co.,Ltd.,Huairen Shanxi 038300)

机构地区：[1]晋能控股煤业公司挖金湾虎龙沟煤业有限公司,山西怀仁038300

出　　处：《山西冶金》2021年第6期161-162,共2页Shanxi Metallurgy

摘　　要：以甘肃核桃峪煤矿副井冻结工程为对象,进行了千米深井冻结技术的实践应用研究。本文对冻结法施工方案、技术参数、井壁保护和工期保证进行了论述,地层整体冻结效果良好,实现了安全、可靠、快速掘进。Taking the auxiliary shaft freezing project of hetaoyu coal mine in Gansu Province as the object,the practical application of kilometer deep well freezing technology is studied.This paper discusses the construction scheme,technical parameters,shaft wall protection and construction period guarantee of the freezing method.The overall freezing effect of the stratum is good,and the safe,reliable and rapid excavation is realized.

关 键 词：千米深井 冻结 地质条件 井筒 

分 类 号：TD753[矿业工程—矿井通风与安全]