Design and research on mine refuge chamber with oxygen supply by ground drilling hole in the underground in Wulan coal mine

In order to improve the anti disaster capability,raise the level of security and defense of coal mine and reduce the loss caused by coal mine accidents,this paper took Wulan coal mine for study background,according to the refuge chamber layout principle,designed the refuge chamber with oxygen supply by ground drilling hole.According to actual situation of Wulan coal mine,the refuge chamber rational position,scale,size and corresponding support method were determined.Besides,the refuge chamber includes totally 9 systems in order to guarantee existence of people and normal operation of appliances in the chamber.The design and construction of the permanent refuge chamber in the underground in Wulan coal mine can provide a safe airtight space and create the basic living conditions for personnel in distresses who couldn't evacuate after the disaster,which plays a key role in the implementation of scientific,orderly and effective rescue.