Hare rama
18 posts
TimePosted 14/11/2011 06:14:27
Hare rama says

calculation of false air entry in coal mill

Sir,

We are supplying hot air from cooler to coal mill.I want to check the false air entry into the mill. Is there any method to do that...

Hare Ram

 

 

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fjalali
70 posts
TimePosted 27/12/2011 10:16:28
fjalali says

Re: calculation of false air entry in coal mill

You can use:

1. Mass balance

2. Heat balance

3. Oxygen balance (oxygen correction)

easiest is Oxygen balance that you measrue oxygen going in and out and do oxygen balance base on this formula:

V2 = Vt (21-Oout)/(21-Oin)

V2 = false air valume

Vt = total volume (V1 + V2)

Oout = Oxygen % in total volume  

Oin = Oxygen % in inlet

Regards;

FJalali

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