【摘要】 文中介绍的洋鸡山金矿露天矿排水系统，是利用原坑采的坑道工程进行的技术创新。该技术降低了排水扬程３２８ｍ，缩短了排水管道近３００ｍ，改二级排水为一级排水，简化了现场管理，改善了排水状况更多还原

【Abstract】 The drainage system of YangJiShan Gold Mine introduced in this paper is a new creation of drainage technique based on the original tunnel engineering.This technique makes the drainage lift lowered by 32.8m and the drainage tube shortened by 300m,changes the 2nd class drainage system into 1st drainage system,simplifies the insitu management and improves the drainage conditions.更多还原