Improvement for stope leaching technique and its application

Stope leaching technique was improved from three aspects of blasting technique,construction technique of ore heap constructed by blasting and method of lixiviant distribution,and the improved techniques were applied in Xi'an Lantian Uranium Co.,Ltd.,CNNC.The practice proved that these improvements are effective.In addition,the complementary advantage is achieved and utilization of resource is enhanced by combination of the stope leaching technique and conventional mining method.In the end,some proposals are put forward for the development of stope leaching technique.