Introduction to the common classification of cement rotary kiln

Promulgator: great wall       Send date: 2014-04-02 10:58

Rotary kiln, which is also called rotary calcining kiln, belongs to building material equipment and it can be divided into cement rotary kiln, metallurgy chemical kiln and lime rotary kiln.cement rotary kiln mainly fall into two types: one is horizontal cylinder device(with gradient) and since it can make gyroscopic motion, it is also called rotary kiln; the other is vertical without rotation (also called the shaft kiln).

 

Cement rotary kiln is mainly used for calcining cement clinker, Cement industry emerges different production methods and different types of rotary kiln in the process of development, according to the raw material preparation methods can be divided into dry process production and wet process production, and  rotary kiln is divided into dry process rotary kiln and wet process rotary kiln according to the production methods.

 

Wet Process Rotary Kiln:

The kiln used in wet type production, which produces slurry with water content of 32%-40% from raw materials, is called the Wet Type Rotary Kiln. Due to the liquidity of the slurry, the raw materials are sufficiently mixed, making clinker of high quality, which is the main advantage of wet production.
 

Dry Process Rotary Kiln:

Contrary to that in the wet type production, the dry type rotary kiln makes raw materials into dry powder, with water content of less than 1%, thus reducing the heat needed for water evaporation. Hollow Type Kiln has high consumption of heat because the exhaust flue gas is of high temperature. The fluidity of dry power is worse than that of the slurry.
 
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