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Cement manufacturing is an energy intensive operation that involves pyroprocessing of raw materials, referred to as the kiln feed, at extremely high temperatures in rotary kilns. The kiln feed primarily consists of limes tone with some additions of clay, sand, and iron oxide that chemi-cally interact to form cement clinker. The kiln feed is alkaline in nature; however, the raw materials often contain species that can generate corrosive reactants in the form of solids as well as gases.

In a dynamic rotary kiln where these reactions occur at temperatures between 1250°C to 1450°C,arefractory lining that can withstand high temperatures, alkalinity, and corrosive conditions is absolutely essential. Refractory requirements for wet and dry kiln processes, and for kilns with cyclone preheaters and precalciners, differ significantly .In all situations, the refractories must have good hot strength, resistance to abrasion, compatible chemical lcomposition,and sound thermal characteristics. This chapter discusses the importance of refractories, their types, and applications in cement manufacturing.

Each step of the cement making process is different, putting different demands on the refractories lining it. No single refractory, or refractory type, suits all applications. That’s why we offer a complete range of refractory products, tailored to each production step.

 

What refractory products we can provide for Cement industry is as following .

Shaped Refractory:

1.Magnesia-MA Spinel Bricks,

2.Magnesia Hercynite Bricks,

3.Magnesia-Chrome Bricks,

4.Silica Mullite Bricks,

5.High Alumina Bricks,Alkali Resistant Bricks

6.Insulating Fire Bricks


Monolithic Refractory:

1.Alkali Resistant Castable,

2.High Strength Corndum-Mullite Castable,

3.High Alumina Low Cement Castable


Insulation Refractory:

1.Ceramic Fiber Products,

2.Calcium Silicate Board