In the daily operation of the iron ore mining plant, the choice of crushing process is very important. It is directly related to the granularity control, grinding efficiency, and final economic benefits of ore. At present, the more common crushing processes in iron ore mining plants mainly include two crushing processes and three crushing processes. Each process has its own characteristics and application scenarios.

Broken equipment selection

First, take a look at the two crushing processes. This process is usually divided into two forms of open roads and two closed circuits. Among them, the two closed circuits processes are favored by small -scale minerals because they can ensure that the grain size meets the requirements of the product. In this process, the second crusher and inspection of the screening to form a closed circuit ensure the stability of the product particle size, thereby avoiding the impact on the next step of grinding operations. However, it should be noted that the two crushing processes are generally only applicable to small mines with underground mining. Its crushing ratio is relatively small, usually between 15-25, and the amount of crushing ore is limited, often less than 1,000 tons/day.

In contrast, the three -stage crushing process has a wider range of application. It is also divided into two forms: three -segment opening and three -segment closed circuits. Among them, the three -segment closed -circuit process can be divided into closed circuits in the third section, which ensures the stability of the product granularity and has become a common process in the mineral selection plant. This process is suitable for large, medium and small mining plants, and its total crushing ratio can reach about 25-200, and the grain size can reach about 1000 mm. The particle size of the broken ore can reach 12 mm or thinner. Therefore, the three -stage closed -circuit process can meet the mineral needs of most of the minerals and bring significant economic benefits.

It is worth mentioning that although the two -segment opening process is still applied under certain circumstances, because it cannot guarantee the particle size requirements of the product, it has gradually been replaced by the three -stage closed process. Due to its economy and applicability, the two closed circuits still have certain application space in small minerals.

In summary, when choosing the broken process of iron ore mining plants, comprehensive considerations should be made according to factors such as the nature, production scale, and economic benefits of their own ore. For small -scale mining plants, the two closed circuits process may be a good choice; for large and medium -sized minerals, the three -segment closed -circuit process can better meet its mineral selection needs. Through scientific and reasonable selection of the broken process, the mineral selection plant can achieve effective control of ore particle size, improve the efficiency of abrasion, and then achieve greater economic benefits.