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CAUSES OF GAS POISONING IN GAS-LOW COAL MINES IN SOUTH ANHUI AND THEIR COUNTERMEASURES

HU Xiao-hua(Xuanheng City Jinbao Mining Ltd.,Xuancheng,Anhui 242000,China)  
In the process of coal mining,gas accident among the five major natural hazards in coal mines is the most dangerous and destructive that can cause the greatest number of casualties.With shaft production extending to depth,geological structures become complicated and volatile,and human death accidents are frequent as a result of increase in gas pressure and content,gas over a limit and gas poisoning.This paper,taking examples from south Anhui,analyzed the causes of gas poisoning and suffocation in gas-low coal mines,which may be attributable to that coal mine owners are indifferent to safety or lack of technical means,employees are unconscious of safety,and there exist deficiencies in management,then put forward preventive and treatment measures.
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