Ball mill detailed description

Ball mill is the material is broken, and then the key to crushing equipment. It is widely used in cement, silicate products, new building materials, refractories, fertilizers, black and non-ferrous metal processing and glass ceramics and other production industries, all kinds of ores and other abrasive materials dry or wet grinding. Ball mill for grinding a variety of minerals and other materials, are widely used in mineral processing, building materials and chemical industries.

Ball mill detailed description

Ball mill classification
1, according to the material, can be divided into dry and wet two grinding methods.
2, according to different ways of discharge, sub-lattice-type and overflow-type two.
3, according to the impact classification:
Light, heavy
4, according to the length of classification:
(1) short diameter ratio of 2 or less for the short mill, or ball mill. The general single-warehouse, for coarse grinding or a grinding, 2-3 sets of ball mill can also be used in series.
(2) in the long-length to length ratio of about 3 in the mill
        (3) long-length ratio of 4 or more long mill or tube mill. In the long mill and long mill, its internal generally divided into 2-4 positions in the cement plant with more.
Mechanical structure of ball mill
The ball mill is composed of the main parts such as feeding part, discharging part, turning part, transmission part (reducer, small transmission gear, motor, electric control). Hollow shaft steel castings, lining removable, rotary gears using hobbing casting casting, cylinder body with a wear-resistant liner, has good wear resistance. The machine runs smoothly, and reliable.
The main machine of the ball mill includes a cylinder body with a lining made of abrasion resistant material, a bearing bearing a cylinder body and maintaining its rotation, and a driving part such as a motor, a transmission gear, a belt pulley and a V-belt.
On the part called the blade is generally not the main components in the feed end of the feed port of the internal spiral can be said within the spiral blade in the discharge side of the component within the discharge port can also be called within the spiral of internal spiral blade.
Another auxiliary equipment in the discharge side if the use of a screw conveyor, the device will be called the spiral blade parts, but strictly speaking, it has not part of the ball mill.
The working principle of ball mill
Two-grid lattice-type ball mill: the material from the feeding device through the hollow shaft into the material evenly into the first mill warehouse, the staircase liner liner or corrugated liner, built with different specifications of the ball, the cylinder rotation centrifugal force Steel ball to a certain height after the fall, the material produced a heavy blow and grinding effect. Material in the first warehouse to reach the coarse grinding, the single-compartment board into the second position, the warehouse with a flat liner, with ball, the material further grinding. The powder is discharged through the discharge grate to complete the grinding operation.

The main internal structure of ball mill
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