Kiln | Kiln Retention Time Calculation | How to Calculate Kiln Retention Time |

In this video I have explained about calculation of retention time of sponge iron rotary Kiln. Residence time or retention time is the time it takes for material to move from the feed end of the system to the discharge end of the system.
In case of a fresh kiln the retention time for different capacity Kiln are:
100TPD kiln at 0.45rpm is 6-7 hrs,
350TPD kiln at 0.47rpm is 10-11hrs,
500TPD kiln at 0.43rpm is 12-13hrs.
With the formation of coating the retention time increases progressively.
Retention Time (T) = π√ϴ x L / PND x 60 Hrs. (Calculation for 350TPD Kiln)
Where
L - Kiln Length (72.89m)
P - Kiln inclination Angle (when slope 2.5% of Kiln length , P = 1.432⁰ )
N - Actual Kiln RPM (0.35)
D - Effective Dia. Of the Kiln (3.8 m)
ϴ - Angle of repose (38⁰)
Hope you will find the video very informative.
Thanks for watching.
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[@Track-ie3yx]

Why sir did you add 60hrs

[@hil-z]

Sir how about kiln vertical formula resident time?

[@satyamchappa8842]

Sir
Will you please tell me the retention time formula for 100Tpd kiln.

[@sebyamentor6883]

Retention formula for 100TPD kiln is same.

[@sudipmudi7413]

Please details

[@funnyvideos.876]

Sponge iron plant me all fan ABC,ncf,shell Air,cb function kiln

[@sebyamentor6883]

Ok, I shall publish the Video soon.

[@sudipmudi7413]

Sir 38 kya hai