Gravity filling system of slurry for rod mill sand with high concentration and research on technical transformation in Jinchuan Mine

The key technology of the filling mining is the gravity transportation of high-density slurry, and the filling system design is an important part of this key technology. In view of the problems during design and filling producer in the phase I and phase Π project for filling system in Jinchuan mine, the study on the filling system design optimization and technical renovation were carried out. First the first phase of filling system process flow and main production system was introduced; Then research results on filling system design and technical innovation in the gravity filling pulp for rod mill sand filling material was given which include filling process flow, whole tailings processing, material transport and slurry preparation, etc. Finally, the filling testing instrument and the function of the high concentration filling system of rod mill sand were provided. The project experience of filling system design and technical transformation in Jinchuan mine can provide valuable experience for similar mine filling system design.