Big Ball Mill Manufacture

Dry ball mill is an important equipment to grind materials which is widely used in powder making production line including cement, feldspar, gypsum, newtype building material, refractory material, fertilizer, ore dressing of ferrous metal and nonferrous metal, glass ceramics, etc.

Rod mills accept feeds approximately 2 depending hardness material.Cases ideal rod mill feed minus 80% passing .Rod mills used products maximum sizes 4 mesh 35 mesh.Rods rod mill contact result preferentially grind largest particles relatively narrow range distribution; i.E.Tramp oversize extreme fines.Figure 1 shows various types rod mill discharge arrangements.Overflow discharge used extensively applications.Grinding wet mill used reduce suitable ball mill feed.In practice proven rod mill design subject limitations.Ratio length diameter not 1.2/1.Speed mill operated limited maximum 70% critical speed preferably 60 68 percent critical speed range.

Ball mill steel balls mainly include: cast iron balls, forged steel balls, rolled steel balls, and the diameter of ball mill steel balls usually is 20mm ~ 120mm, and the maximum steel ball diameter used by super large ball mill is 130mm ~ 150mm.

If the speed is too low, the grinding media are poured down, which results in a "gentle" grinding from the ball mill.Powerful impaction and grinding cannot be produced.

Ball mill grinding media size keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website.

Solutions: the air surrounding the material ball mill system contains large amount of ferrous dust which after some time will adhere to the stator coil.When the ferrous dust accumulates to certain thickness, it will lead to the short circuit and electric discharge of the coil surface.If that happen often, the insulating layer of the coil will be destroyed and the strike hire will be broken down.That happened once when starting the ball mill and there was no spare electric motor.After analysis carefully and according to the car can work without jar, instantly cut the broken coil and made scientific protection measurements, then started the ball mill and operated a month until the new electric motor was installed.


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