how cement clinker is ground

Portland Cement Clinker -

clinker is ground with a specified amount of gypsum, it will produce Portland cement or when ground with specified amounts of gypsum and other pozzolanic materials it will produce blended cements. 1.3.

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Clinker (cement) - Wikipedia

Portland cement clinker is ground to a fine powder and used as the binder in many cement products. A little gypsum is sometimes added. It may also be combined with other active ingredients or chemical admixtures to produce other types of cement including:

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Portland cement clinker

Portland cement clinker is a dark grey nodular material made by heating ground limestone and clay at a temperature of about 1400 °C - 1500 °C. The nodules are ground up to a fine powder to produce cement, with a small amount of gypsum added to control the setting properties.

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How Cement Is Made

After the clinker is cooled, cement plants grind it and mix it with small amounts of gypsum and limestone. Cement is so fine that 1 pound of cement contains 150 billion grains. The cement is now ready for transport to ready-mix concrete companies to be used in a variety of construction projects.

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Why is gypsum interground with portland cement clinker ...

Pure Portland cement clinker, if ground on its own would be difficult to use in most normal construction applications because of the setting time. However, there are other agents that can be added to the clinker to change the setting times and/or properties of the cement according to its use.

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Cement - Wikipedia

The resulting hard substance, called 'clinker', is then ground with a small amount of gypsum into a powder to make ordinary Portland cement, the most commonly used type of cement (often referred to as OPC).

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Cement - CEMEX

Cement is a fine powder, obtained from the calcination at 1,450°C of a mix of limestone, clay, and iron ore. The product of the calcination process is clinker—the main ingredient of cement—that is finely ground with gypsum and other chemical additives to produce cement.

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Difference Between Clinker and Cement -

When clinker is ground with gypsum, cement is formed. • Clinker is a marble like nodules, whereas cement is a very fine powder. • Cement is used in building and is a good binder.

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Cement - some basic definitions

Clinker: Portland cement is made by grinding clinker and a little added gypsum. Clinker is a nodular material before it is ground up. Clinker is a nodular material before it is ground up. The nodules can be anything from 1mm to 25mm or more in diameter.

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What are cement clinkers? - Quora

Portland cement clinker is the material that gets ground up (possibly with gypsum and other small quantities of material) to become Portland cement. Clinker is in the form of rounded granules, typically 3 to 25mm diameter. Those granules are the sintered output from large rotary kilns. Earn a ...

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