Ultrafine Mill And Material Fly Ash

Abstract

Introduction of ultrafine mill and material fly ash There are many types of mills used in the industrial sector, and the control structure and working prin

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Introduction of ultrafine mill and material fly ash

There are many types of mills used in the industrial sector, and the control structure and working principle are different. Grinding machines can be divided into the following types: ball mill, Raymond mill, self-grinding mill, vibrating mill, tower mill, Centrifugal mill, airflow grinder, according to the different particle size of the milled product, the mill is divided into coarse grinding, fine grinding and ultrafine grinding machine. The material is ground to 0.1 mm by coarse grinding, and the material is ground to 0.06 to 0.1 mm by fine grinding; the material is ground to 0.004 to 0.02 mm or fine by ultrafine grinding. Different mill equipments have different characteristics. The following is an example of fly ash grinding and cement grinding. First of all, from the point of grinding materials, more than 70% of the cement clinker Alite and Belite are ionic crystal structures, and their grinding needs to destroy high-strength ionic bonds; while fly ash accounts for 50%. ~80% of the glass beads are adhered to each other, and the pulverization of the material mainly breaks the adhesion between the fine spherical glass bodies.

Secondly, from the perspective of product performance requirements, the most important thing for cement is the effect of grinding on improving early strength. There are special requirements for contrast surface area and cement particle distribution. Fly ash is used as concrete admixture and is considered for concrete. The improvement and improvement of workability and durability have special requirements for water demand, so the requirements for fineness and particle gradation are different. Finally, from the grinding principle, the grinding of fly ash has only two models of volume pulverization and surface pulverization. The grinding has little effect on fine fly ash (glass microbeads) below 45 μm, which is related to the grinding of cement. It is different. These characteristics of cement and fly ash grinding determine their regularity in the grinding process, grinding body grading, position layout and so on. Grasping and properly applying these laws can achieve the goal of high yield, high quality and low consumption.

At present, the ultrafine mill has been widely used in many industries. The crushing of materials is a process widely used in industrial sectors such as metallurgy, mining, building materials, chemicals, electric power, ceramics and road construction. There are a large number of raw materials and reused every year. Waste materials need to be crushed, milled, and increased year by year with the rapid development of industry. It can be seen that the crushing equipment and the mill equipment occupy an extremely important position in the development of the national economy. Therefore, in order to meet the development needs of the market, our professional scientific research personnel timely innovated, combined with years of practical experience, through long-term research, testing has developed a batch of high-efficiency energy-saving milling equipment. Leading the overall level of China's mill equipment, constantly improving, and always at the forefront of the industry.

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