Status and Prevention Countermeasures of Coal and Gas Outburst Accidents in China
CHENG Yuanping
LIU Hongyong
ZHAO Wei
Abstract：The summarization was conducted on the status and features of the outburst accidents on the large outburst accidents occurred from 2006 to 2012 in China based on the ownership,provinces and cites as well as mine gas grades of the coal mine enterprises as well as the outburst prevention measures.The summarization showed that the outburst accidents were maximally occurred in the village and town ownership mines,the state owned key mines would also have the risk of the major outburst accident occurred and Guizhou,Hunan,Yunnan,Sichuan,Chongqing and the south provinces and cities would be the serious disaster regions of the outburst accident occurred.Therefore,related prevention countermeasures were provided from the aspects of the improved outburst prevention and control standards,implemented regional comprehensive outburst prevention measures," four-in-one" management and protection,outburst prevention training and others.According to the status of the regional gas comprehensive control,technical measures were provided to ensure the outburst measure design in effect and implementation in position,borehole in effect and borehole sealing seriously.
Keywords：coal and gas outburstregional gas controlcomprehensive gas drainageprotective seam miningpre-drainage of seam gas
Publication Date：2014-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 15-18 )