degree of kiln filling
friends please explain me what do you means from degree of kiln filling... how can we calculate it... and what will observed if any sudden changes occured in degree of kiln filling....
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Re: degree of kiln filling
Degree of kiln filling means volumetric filling percentage of kiln charge inside the kiln (i.e. charge volume divided by kiln volume).To get the heat transferred into the ineterior of the charge it is an advantage to get a low degree of filling in the kiln.For this reason it is often an advantage to use a high kiln speed, despite the reduce residence time of the clinker in the burning zone.The desirable range is 13-14%.The dgree of filling in the kiln can be calculated as:
% Filling = 3.2 *P / Di*Di*Di * % I * Rev
Where,P: Kiln production in TPD, Di:Internal diameter of kiln in meter, % I:Inclination of kiln in %,Rev: kiln speed in RPM