The mineral processing technology and economic work has the following three characteristics:

(1) It involves a wide range of departments. Mineral processing is a processing department that processes raw ore and provides qualified concentrate for the next process. The mineral processing products belong to the intermediate products, and the production indicators are good or bad, depending on the mine supply conditions and the production indicators of the next process. Therefore, the evaluation of mineral processing indicators can not only be considered from the mineral processing technology, but also from mining, sintering, smelting and other comprehensive considerations. According to the comprehensive effect of the entire department, the production index of the beneficiation process is determined. The technical and economic personnel of the mineral processing profession have many specialties, a wide range of considerations, and complicated problems. They must have a variety of professional knowledge.

(2) There are many programs. The design of the concentrator is greatly affected by external conditions. It is restricted by the mine supply conditions and subject to the next process. At the same time, the beneficiation process itself has many plans. Such as the determination of the mineral processing method; the determination of the mineral processing process; the determination of mineral resources protection and comprehensive recovery; the determination of external transportation methods. Therefore, the design of the concentrator often requires a variety of program comparisons, and through many economic calculations and comprehensive arguments, choose the best solution.

(3) Strong policy. The design of the concentrator is not only to implement the various policy requirements that must be followed in general plant design, but also closely related to the following policies:

1) Protect mineral resources;

2) Strengthening environmental protection;

3) Less land occupation;

These problems are almost universal problems that every concentrator design has to encounter. Under the premise of resolutely implementing the national policy provisions, it is necessary to ensure that the design indicators of the concentrator are advanced and reasonable, practical and feasible, and the technical and economic profession often plays an important role.

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