COAL PREPARATION AND FIRING

COAL PREPARATION AND FIRING INTRODUCTION Kiln fuel is usually the largest single item of the operating cost of a cement works and, in a worldwide context, coal has always been the most commonly used fuel. This is because, on a cost per kilocalorie basis, it is usually less expensive than oil or gas. The large tonnages […]

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ELECTROSTATIC PRECIPITATORS

ELECTROSTATIC PRECIPITATORS   INTRODUCTION An electrostatic precipitator utilises electric forces to separate solid particles, or liquid droplets, from the gas in which they are suspended. The process gas, bearing particulates, is forced in the precipitator to pass over the discharge electrodes between a number of channels formed by collector electrode sheets suspended vertically. Electrostatic forces […]

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MECHANICAL ELEMENTS OF TUBE MILLS

MECHANICAL ELEMENTS OF TUBE MILLS this is a part of ASEC Academy training Courses SUMMARY the mechanical elements of a tube mill could be separated into elements which have a direct function with the grinding process (i.e. grinding media, liners, diaphragms) and into elements which can be considered as individual units which are connected to each […]

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Hematite Pellet Project

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Principles of Rock Drilling

 Principles of Rock Drilling   Objectives At the end of this chapter, Participants will be able to achieve: Understanding principles of drilling Understanding of equipment characteristics Rock properties and geological structure that affect drilling Selection of drilling machines Contents Drilling & blasting planning Purpose of rock drilling System of rock drilling Types of drilling operations […]

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