The vertical mill processes iron ore, and the industrial application of stone powder
Vertical pulverizer is a new type of energy-saving and environmentally friendly pulverizing equipment. The system is integrally sealed and operated under full negative pressure. The overall system has low vibration, low noise and no dust spillage. It is an advanced equipment in the field of large-scale milling of non-metallic minerals. It is widely used in coal mine, cement, slag, metallurgy, chemical industry and other milling fields and is very popular.
Iron ore can be made into iron ore powder after being processed by a pulverizer, which generally needs to be processed by beneficiation, crushing, screening, grinding, etc. Iron ore has a wide range of uses after pulverizing, and the main application field of iron ore is the iron and steel industry. In recent years, steel products have been widely used in the national economy and people's daily life. They are the basic materials necessary for social production and life. Steel is a very important structural material in our country. It occupies an extremely important position in the economy and has become an important pillar of social development.
The output, variety and quality of iron and steel have always been important indicators to measure the development level of a country's industry, agriculture, national defense and science and technology. Among them, iron, as the basic raw material of the iron and steel industry, is an important raw material to support the whole iron and steel industry. Iron ore plays an important role in the iron and steel industry. It can be smelted into pig iron, wrought iron, ferroalloy, carbon steel, alloy steel, special steel, etc. pure magnetite can also be used as a catalyst for ammonia synthesis. In order to give full play to the resource advantages of iron ore, the beneficiation process and equipment need to adapt to the characteristics of iron ore. there are many lean ores, few rich ores, many associated ores, complex ore composition, and most of them are fine-grained.
The grinding process of the grinding mill is that the main motor drives the grinding disc to rotate through the reducer, and the air enters the mill from the air inlet, and the material falls in the middle of the grinding disc through the feeding opening of the screw feeder. Under the action of centrifugal force, the material flows from the middle of the grinding disc to the The edge moves evenly. When it passes through the grinding roller table area on the grinding disc, it is rolled by the grinding roller, and the bulk material is directly crushed. The crushed materials continue to move to the edge of the grinding disc until they are taken away by the strong airflow at the air ring, and the larger granular materials fall back to the grinding disc and continue to be crushed. Under the action of the blade, the coarse particles return to the grinding disc for grinding, and the qualified fine powder is milled together with the airflow and collected by the powder collector of the system. The collected powder is the product ground by the ultra-fine vertical mill. When the iron blocks and other sundries mixed into the material move to the edge of the grinding table with the material, they cannot be blown up by the wind due to their heavy weight, and fall to the lower cavity of the grinding machine.
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