水力膨胀式自动封孔器的研制  

Development of the Automatic Sealing of Hydraulic Expansion Instrument

作　　者：梁为[1] 蒋蓉[1] 陈学习[1] 

机构地区：[1]华北科技学院安全工程学院,河北燕郊065201

出　　处：《煤炭技术》2009年第9期4-6,共3页Coal Technology

基　　金："十五"国家科技攻关项目(2005BA813B-3-01)

摘　　要：通过对目前煤层水力膨胀式自动封孔器存在的主要问题的研究与分析,阐述了研制的水力膨胀式自动封孔器的结构特点和工作原理。该封孔器具有结构简单、封孔可靠、操作简便、注水流量可调、回收率达到100%等优点。Through the research and analysis of the main problems of the current coal seam automatic sealing of hydraulic expansion instrument, Expound automatic sealing of hydraulic expansion instrument developed structural characteristics and working principle . This sealing instnanent has a simple structure, reliable sealing and easy operation, adjustable water flow, the recovery rate of 100% and so on.

关 键 词：煤层注水 封孔器 封孔 研制 

分 类 号：TD7[矿业工程—矿井通风与安全]