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cement grinding raw materials

PortlandCementis made primarily from a combination of a calcareousmaterial, such as limestone or chalk, and of silica and alumina found as clay or shale.The manufacturing process consists essentially ofgrindingtheraw materialsinto a very fine powder, mixing them intimately in a predetermined proportion, and burning them in a large rotary kiln at a temperature of about 1400 ˚C (2550 ˚F).

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Rotary Kiln Brief Introduction

A rotary kiln is a device that supplies tremendous amounts of heat in order to change the chemical composition of an object.As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan. If you are interested in these product, please contact us.

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