Measures optimization for water proofing and drainage of III stope rainy season in Sijiaying Iron Mine

The reasons that water burst and leak of ores during dropping in ore pass is systemic analyzed and in Sijiaying Iron Mine of Ⅲ stope rainy season from bulk ore-rock、effect of covering laye and quality control of tunnel construction.On the basis of summing-up the main reasons,the improvement measures about water proofing and drainage of rainy season and the improvement concept about the existent issure of top of ore pass and vibration ore drawing machine is advanced,the rational suggestions about operation smooth of pump is proposed,providing effective guarantee for production safety in the belowground stope rainy season.