Observed from the number of global mining machinery quantity, there appears vitality emerging, and a relatively stable equilibrium statement. With the global economy’s development, mining machinery market turns into a climax of merger.

Correct selection of the tailings repository site is extremely important. Design generally must select multiple repository site, determine the technical and economic comparison. Looking for library site should consider the following principles: 1. Can a tailings storage capacity to accommodate all the production life of the amount of tailings. If there are difficulties, the length…