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Technical Cement Forum / Flame Length

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Cement man 26/08/2008 01:38:47

Flame Length

Hey everyone;

What is the length of the flame inside the kiln? how can we determine the length of the flame? i know that alot of factors affect the length of the flame like swirl, primary air pressure, ID fan and etc. but Is there any formula collect all these factors to determine the length of flame (Gas, Oil, & Coal)?!!

Best Regard

Michael Clark 26/08/2008 08:54:13

No, there is no formula that I know of. With thermal imaging cameras you can get a temperature reading along the axis of the kiln and see where the temperature falls to give you an estimate.

lalbatros 27/08/2008 21:16:02

There are many book on combustion.
This book on rotary kiln might answer your questions:

Rotary Kilns: Transport Phenomena and Transport Processes by Akwasi A Boateng

Saprina 06/10/2008 21:21:10

Hey Gentlemen,

I read recently that the flame length can be calculated by this formula 5* Di (inner diameter of kiln). Is it correct? if the answer is yes, is it valid for all types of fuels like gas, coal, etc. ???

Saprina

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