Ball Mill

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Ball Mill

Grinding Mills are widely applied in Cement Industry, Fire resistant materials, Fertilizer Industry, Porcelain and Glass Industry, Mineral Processing Industry like Iron Ore, Lead Zinc Ore, Copper Ore, Uranium Ore etc.

Operating Principle:

Grinding is done mostly in a rotating cylindrical drum or shell which is partially filled with spherical or cylindrical grinding media. The grinding material enters from one end of the drum and leaves from the other after grinding. This drum or shell rotates at a speed which is sufficient to tumble the grinding media and the material to be ground. The stresses imparted to particles during impact with the grinding media are sufficient to cause fracture of the material.

Constructional features of Ball Mill:

Feed Chute: It is normally a fabricated steel pipe of adequate diameter and provided with inside liner.
Feed Sleeve: It is generally fabricated with mild steel. Sometimes cast steel feed sleeves are also used. Inside of the sleeve has forwarding spirals. Efficient sealing arrangements are provided at the junction of the feed chute and feed sleeve to prevent leakage of slurry in wet grinding.
Discharge Sleeve: It is generally fabricated. Cast steel discharge sleeves are also used. Discharge sleeve has reversing spirals.
Discharge Trommel: It is generally fabricated with mild steel having rubber lining inside and small aperture to discharge the ground material. Forwarding spirals are provided inside.
Mill Head: Our Design Mill Heads are fully integral cast
Head with trunnion: It is a rotating part of the Mill and bolted at each end of the Mill Shell. The trunnion part is fully polished to minimize friction.
Mill Shell: It is fabricated from steel plate of adequate thickness and comprises the main body of the mill.
Mill Bearing: It has a removable, self-aligning, babbitted insert which protects the trunnion part of mill head. he Mill Bearings at each end are furnished with oil lubrication system and take the entire load of the mill.
Mill Liners: Mill Shell Liners are furnished with a variety of lifter designs and can be cast from High Chrome or Manganese steel. Nowadays, wear resistant Rubber
Girth Gear: It is bolted at one end of the Mill Shell along with Mill Head. EIPL has Gear Hobbing machine which can generate gear teeth up to 8-meter gear diameter and 50 module. steel. These are either integral with the shaft or keyed to the shaft.
Drive System: It consists of Motor, high speed coupling, educer and low speed coupling which connects the reducer output shaft to pinion shaft. For erection and maintenance, an auxiliary drive is also provided which consists of an auxiliary motor, couplings, reducer and brake
Mill Bearing: It has a removable, self-aligning, babbitted insert which protects the trunnion part of mill head. he Mill Bearings at each end are furnished with oil lubrication system and take the entire load of the mill.

We have various size of grinding mills:

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Ball Mill

Ball Mill

Operating Principle:

Constructional features of Ball Mill:

We have various size of grinding mills:

Details about some of the mining equipments:

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