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simple processing ball mill crusher machine

ball mill

ball mill

The ball mill is a key equipment for grinding materials, widely used in powder-making production line such as cement, silicate sand, new-type building material, refractory material, fertilizer, ore dressing of ferrous metal and non-ferrous metal, glass ceramics, etc. Ball mill can grind various ores and materials with dry type or wet type.

The machine is composed by feeding part, discharging part, turning part and driving part (reducer, small driving gear, electric motor and electric control). The quill shaft adopts cast steel part and the liner is detachable. The turning gearwheel adopts casting hobbling process and the drum is equipped with wear-resistant liner, which has good wear-resistance. The machine is with stable and reliable working condition.Moreover, according to different materials and discharging methods, there are dry ball mill and wet ball mills for choice.

This machine is a skeleton pattern ball mill with horizontal cylindrical turning gear, driven by outer gear and two hoppers. The material goes to the first hopper after the spiraling by the quill shaft from the feeding equipment. The hopper has ladder sheathing or corrugated sheathing with steel balls inside, which will fall under the effect of centrifugal force by barrel and grind material. After the kibbling in the first hopper, by monolayer partition panel, the material will enter the second hopper, which has plane scale board with steel ball inside to grind material. The powder material will be discharged from the grid plate to finish the grinding.

what are the advantages of vertical mill over ball mill

what are the advantages of vertical mill over ball mill

Grinding is an important technical link in the production of cement, as it not only determines the unit electricity consumption of cement production, but has great influences on the performance of cement. For a long time, cement grinding is completed inside ball mill as it has the features of simple structure, reliable operation, convenient maintenance and management, strong adaptability for the materials, continuous production, big production capacity, big grinding ratio and easy control of the fineness of the final products. However, the effective energy availability is only 2%-5%, and the majority of the rest energy is changed into heat energy, and the economic benefits are not optimal. In recent years, traditional grinding mill is improved and updated, and new type of powder separation closed-circuit system is adopted and the cement grinding technology is developing rapidly. Especially the application of vertical mill greatly reduces the energy consumption of grinding slag cement and improves the grinding efficiency.

Hongxing vertical mill is integrated with tertiary crushing, drying, grinding, powder separation and conveying and is the best choice for processing slag and cement. Then compared with ball mill, what are the advantages of vertical mill.

Vertical mill has a separating machine, and uses hot smoke to convey the materials, so that no powder separating machine and elevating machine are needed. The gas containing dust will directly go into the powder collector for collection, so that the grinding system is simple, the failure rate is low, running rate is high.

Vertical mill adopts hot air to convey materials, and when grinding materials with high water content, the inlet air temperature can be controlled to make sure that the products will reach the final water content. Vertical mill can dry the materials with the water content 12-15%.

In the working process of vertical mill, the grinding sound is soft, often about 80 db. The grinding roll and the grinding disk does not contact with each other. Vertical mill adopts integrated sealing, and the system works under negative pressure, so the powder dust is little.

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