老采场的残、盲矿,指的是在过去一次开采时,因漏采、漏放而被遗留于废弃老采场中的残留矿石.对于这些矿石,如果不能及时发现并设法回收利用,就会成为永久损失。老采场中残、盲矿的回收利用属二次开采的问题。一般是在一次开采时由于采矿工艺,选矿技术要求和安全上的原因而被报损 The old, stubborn and blind mine refers to the residual ore left in abandoned old stope due to leaks and leaks in the past mining period, and if these ores can not be found and managed to be recycled in a timely manner, It will be a permanent loss. The old stope residual, blind mine recovery is a secondary mining problem. Usually in a mining due to mining technology, mineral processing technology requirements and safety reasons have been reported