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《Mining Safety & Environmental Protection》 2013-04
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Experimental Study on Sealing Performance of Protective Sealing Door for Mine Refuge Chamber

ZHU Xianguo,ZHANG Guangxun,JING Tingting,JIANG Dexian(Chongqing Research Institute of China Coal Technology and Engineering Group,Chongqing 400039,China)  
A new protective sealing door for mine refuge chamber was designed;the theoretical analysis and experimental study on variety of rubber strips showed that the optimum compression rate of the rectangular silicone rubber sealing strip with the hardness of 20-25 degree is 15%-25% under the static sealing condition.On this basis,a sealing structure was designed according to the optimum compression amount and in consideration of some factors such as the machining error;experimental study was made on the air tightness of the protective sealing door.
【Fund】: 中煤科工集团重庆研究院青年创新基金项目(2011QNJJ010)
【CateGory Index】: TD792
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