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Product Introduction
The ball mill is a kind of new type and high-efficient powder and superfine powder processing machinery which is used for grinding non-flammable non-explosive minerals, such as calcite, cretaceous, caoline, limestone, bentonite, talcum, mica, magnesite, illite, pyrophyllite, vermiculite, sepiolite, Attapulgite clay, rectorite, diatomite, barite and so on.The classified powder could be milled to 0.074mm, meeting the requirements from different customers.
Advantage: provide reasonable product selection and design,scientific workshop manufacturing arrangements, strict production process,on time delivery.Characteristics ofultra-fine ball millDifferent design from traditional cement and mining processing, and in line with the requirements of ultra-fine material feeding and processing.
Optimize length-diameter ratio to avoid over-grinding and achieve the best effect of grinding.
Optimize aperture ratio and design of grate board, and improve the fineness by using lesser grinding medium.
Discharge the powder by grid smoothly,no need cooling for the cylindrical shell.
Optimize liner and the shape and the material for grinding medium, reduce the damage rate and improve the grinding efficiency according to Germany requirements.
For hard minerals, adopt Non-iron pollution design. Use alumina ceramics, quartz, silex and other special material for liner and grinding medium.
Adopt reasonable grinding medium as required, high feeding ratio and high efficiency.
Add grinding additives when grinding ultra-fine powder to improve grinding efficiency.
Optimize the matching of the energy consumption and grinding drive, reduce energy consumption.
Formed a closed system with classifier, negative pressure conveying and less dust.
Structure Features
The Ball Mill consists of feeding part, discharging part, rotary part, transmission part (velocity decreasing
device, small transmission gear, motor, electric control) and so on. The hollow shaft is made of casting
steel and its inner lining plate is replaceable. The big rotary gear is processed by hobbing castings, and
the cylindrical body is installed with high wear- resistant lining plates on its inner wall.
The Ball Mills work stably and reliably, and can be divided into dry Ball Mills and wet Ball Mills according to
the materials to be grinded and the discharging styles.
Working Principle
The Ball Mill is a horizontal rotary cylindrical apparatus driven by gears outside, including two storage cells
of lattice patterns. When the mill works, the raw materials evenly enter from the feeding opening of the mill
through the hollow shaft into the first cell installed with stepped lining plates or wavy lining plates of various
steel balls in different scales, and the rotating cylindrical body generates centrifugal force that brings the
steel balls to a certain height and then the balls fall down to impact and grind the materials. After the rough
grinding in the first cell, the qualified particles enter through a single dividing plate into the second cell
whose inner wall has been installed with flat plates of steel balls. The materials will be further grinded in
this cell where the final qualified particles and powders are put out of the discharging opening and, the
whole grinding process is completed.
Ultra-fine Ball Mill