Report: APP CMHS Project 1




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3.3. China

With over 17,000 operating coal mines and mining depths in excess of 450 m, the Chinese coal mines are faced with a number of safety issues and have developed some leading safety technologies. As coal will continue to play a dominant role as an energy supply in the coming decades and mining depth will continue to increase, the coal mines in China will face a greater number and more severe safety challenges. New safety practices and technologies will need to be developed to improve the coal mine safety.

Brief descriptions of the leading safety practices and technologies applied to the Chinese coal mines are given in this section and then followed by the analysis of the current needs and future requirements of safety and health hazards. The main hazards in the Chinese coal mines include explosions of gas and dust, outbursts of coal and gas, strata stability, spontaneous combustion of coal, and water inrush. It should be noted that some safety technologies are developed to address more than one hazard. As such this section will start with safety and health management, and then describe explosions of gas and dust, gas and outbursts, roof fall, spontaneous combustion, and water inrush. Finally there will be a brief description of an integrated approach to reduce the hazards of gas, outburst, strata stability, and heat in deep, gassy multiple seam mining.


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