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Working principle and structure features of micro powder mill

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[Level:0]heiha

Post subject: Working principle and structure features of micro powder mill

registered: 12/19/2013

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The micro powder mill can be divided into lattice-type micro powder mill and over flow micro powder mill according to the different discharging ways. Overflow ball mil is the most common mill in the ore beneficiation plants. Conical micro powder mill has been eliminated for the low productivity, liner type and difficult to maintenance.

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A micro powder mill, a type of grinder, is a cylindrical device used in grinding (or mixing) materials like ores, chemicals, ceramic raw materials and paints. micro powder mills rotate around a horizontal axis, partially filled with the material to be ground plus the grinding medium. It is 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 cement bag packing machine, etc.

Overflow micro powder mill working principle

This machine is a skeleton pattern micro powder mill with horizontal cylindrical turning gear, drive 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 turning to ram hard 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.

Overflow micro powder mill structure features

 

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 hobbing process and the drum is equipped with wear-resistant liner, which has good wear-resistance. The machine is with stable and reliable working condition.

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