Ball Mill Presentation

Ball Mill  Group No. 3

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Contents

Introduction Types and Process Pr nc p e o work   Description of Ball mill Design and Cost

 Introduction

 It

is a device used for size reduction, It can reduce sizes up to a tenth of a micron.  Cylindrical in shape.  Rotates on a horizontal axis.  Partially filled with the material to be ground and the grinding medium.

Ball Mill Group No.3

Types and Process

Types and process

There are two Processes

There are two Types

1. Wet Pr Process 2. Dry Pr Process

1. Continuous 2. Batch

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Principle of ball mill 

 The

rpm of mill  The difference in speed between balls

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Description

Inlet

A B C Outlet

D Mill Internals

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 A. Inlet 

 INLET

TUBE mostly for wet mills

with fresh air flap for mill ventilation  INLET

SCREW for problematic feed materials Ball Mill Group No.3

Types of inlet 

1- TUBE

2- CHUTE

B.3- SCREW

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B. Drivers

1- CE CENTRAL

2- GE GEAR RIM/PINION

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Types of drives

 CENTRAL

DRIVE

with one pinion or double pinion

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C. Outlet 

 OVERFLO OVERFLOW W

MILLS WITH/WITHOUT SCREEN CAGE for wet mills

 DISCHARGE

DIAPHRAGM

for wet and dry mill

 CENTRAL

DISCHARGE

for dry mills

Ball Mill Group No.3