It is an unavoidable occurance,the only practical way is to if you have side inspection door in the hood,regularily demolish it with some poking bar.

Install an "Air Cannon" to knock it down.

To install 'Air Canon " on top of the burner pipe ( inside the kiln) is not possible.

Vikpro

Hello every one

It is possible to install air cannon on burner head , some KHD burner have this facility