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Ball Mill

Ball Mill

Introduction:Ball mill is also called grinding ball mill, which is widely used for grinding raw materials or finished products in mining, cement, refractory, building materials, ore dressing. It includes two kinds of grinding: dry and wet grinding.

Ball Mill Overview

The ball mill(also named grinding ball) 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. There are two kinds of ball mills, grate type and overfall type due to different ways of discharging material.

Ball Mill Types

1. According to different discharging ways, it can be divided into the lattice ball mill (grate ball mill) and overflow ball mill;

2. According to the residence of materials, it can be divided into intermittent ball mill and continuous ball mill;

3. According to different sizes, ball mill machine can be classified into large ball mill and small ball mill;

4. According to different materials, ball grinding mill can be divided into dry ball mill and wet ball mill.

Hongji Mine Machinery can design and produce various types of ball mill, and all of our ball mills have the ISO9001 quality certification, which can meet the actual needs of different customers.


The Main Structure of ball mill

1. Main bearings with a large-diameter stick double row self-aligning bearings, replace the plain bearings to reduce friction, reduce energy consumption, the mill is easy to start.

2. Retain the ordinary mill end cap structure, large-caliber material inlet and outlet, large capacity.

3. Feeder is divided into combined feeder and the drum-shaped feeder two, simple structure, split installation.

4. Inertial impaction equipment running smoothly, and reduce the mill downtime parking maintenance time, improve efficiency.

 

The Working Principle of Ball Mill

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.


Technical parameters of ball mill

Model Shell rotation speed (r/min) Ball load (t) Feeding size (mm) Discharging size (mm) Capacity (t/h) Power (kw) Weight (t)
ø900*1800 36-38 1.5 <=20 0.075-0.89 0.65-2 18.5 4.6
ø900*3000 36 2.7 <=20 0.075-0.89 1.1-3.5 22 5.6
ø1200*2400 36 3 <=25 0.075-0.6 1.5-4.8 30 12
ø1200*3000 36 3.5 <=25 0.074-0.4 1.6-5 37 12.8
ø1200*4500 32.4 5 <=25 0.074-0.4 1.6-5.8 55 13.8
ø1500*3000 29.7 7.5 <=25 0.074-0.4 2-5 75 15.6
ø1500*4500 27 11 <=25 0.074-0.4 3-6 90 21
ø1500*5700 28 12 <=25 0.074-0.4 3.5-6 130 24.7
ø1830*3000 25.4 11 <=25 0.074-0.4 4-10 130 28
ø1830*4500 25.4 15 <=25 0.074-0.4 4.5-12 155 32
ø1830*6400 24.1 21 <=25 0.074-0.4 6.5-15 210 34
ø1830*7000 24.1 23 <=25 0.074-0.4 7.5-17 245 36
ø2100*3000 23.7 15 <=25 0.074-0.4 6.5-36 210 34
ø2100*4500 23.7 24 <=25 0.074-0.4 8-43 245 42
ø2100*7000 23.7 26 <=25 0.074-0.4 8-48 280 50
ø2200*4500 21.5 27 <=25 0.074-0.4 9-45 280 48.5
ø2200*6500 21.7 35 <=25 0.074-0.4 14-26 370 52.8
ø2200*7000 21.7 35 <=25 0.074-0.4 15-28 380 54
ø2200*7500 21.7 35 <=25 0.074-0.4 15-30 380 56
ø2400*4500 21 30 <=25 0.074-0.4 8.5-60 320 65
ø2700*4000 20.7 40 <=25 0.074-0.4 12-80 400 94
ø2700*4500 20.7 48 <=25 0.074-0.4 12-90 430 102
ø3200*4500 18 65 <=25 0.074-0.4 Upon the process 800 137

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