Hello every body  

what is normal coating section length in kiln and what should be the optimum thickness of coating in burning zone 

hello mr M. azhar,

  normally coating in side the kiln 5.0* ( effective  dia of kiln) +2.5m max.

 coating thickness in burning zone optimum is 0.4* brick thickness.

Dear GKS

 Thx for your appreciated comment but could you please mention what is your reference for your coating thickness calculation .