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Iron Ore

2021-03-09
Iron ore is an important raw material for iron and steel production enterprises. Natural ore (iron ore) is gradually selected by iron ore crusher, grinding, magnetic separation, flotation, gravity separation and other procedures. It is a mineral aggregate that contains iron or iron compounds that can be used economically. Any ore that contains economically usable iron is called iron ore. There are many kinds of iron ore, mainly magnetite (Fe3O4), hematite (Fe2O3) and siderite (FeCO3) used in iron making. China's iron ore resources have two characteristics: first, there are many lean ores, accounting for 80% of the total; second, there are more complex ores with multi-element symbiosis. In addition, the orebody is complex; some poor iron deposits are hematite in the upper part and magnetite in the lower part. In view of the characteristics of China's iron ore and the higher requirements of the iron and steel industry for iron concentrate, new challenges are put forward for Chinese mineral dressing workers. Therefore, there are deeper requirements for the development of mineral processing technology of metallurgical mines in China, which is followed by the further improvement of mineral processing equipment.

Iron ore beneficiation, according to the types and properties of ore, there can be a variety of different processes. Mineral processing plants generally use coarse crushing, medium crushing and fine crushing three-stage crushing process to crush iron ore. In the iron ore crushing production line, in order to improve the production efficiency of iron ore crusher and reduce the production cost, it is often necessary to crush the iron ore as fine as possible and crush the iron ore to the smallest particle size in order to achieve more crushing and less grinding. Through the practical experience of iron ore processing and user feedback, the industry thinks that cone crusher is better for fine crushing of iron ore.
The specific process of the iron ore crushing production line: iron ore is uniformly sent by vibrating feeder to the iron ore jaw crusher for rough crushing, the crushed materials are sent to cone crusher by the belt conveyor for further crushing. The crushed materials are transported to the vibrating screen for screening, the materials that meet the particle size requirements of the finished products are transported to the finished product pile through belt conveyor. The materials that do not meet the particle size requirements of the finished product are returned from vibrating screen for crushing or fine cone crusher to form a closed cycle. The particle size of finished product of iron ore crusher can be combined and graded according to the needs of users.

Iron ore is an important raw material for iron and steel production enterprises. Iron is gradually selected from natural ore (iron ore) through crushing, grinding, magnetic separation, flotation, gravity separation and other procedures. In theory, any ore containing iron or iron compounds can be called iron ore; however, in industrial or commercial terms, iron ore is different from manganese ore. Iron ore not only contains iron, but also must have the value of utilization. After extracted from the mine, it is processed into about 65% of fine iron powder with ore dressing equipment, which is then smelted into sponge iron and then steelmaking.
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