There could be many causes for such a sudden rush of material in the burning zone. Possibly the breakaway of some coating or a ring. A sudden change in feed chemistry or fuel calorific value. It is impossible to diagnose the cause without much more information. Thanks Dr Michael Clark  

Dear Bashar, Certainly improving the collection efficiency of the cyclones in the preheater will improve the kiln feed to clinker ratio. With kiln feed of typical lime saturation and calcium carbonate content the kiln feed to clinker factor would be expected to be around 1.54 due to loss of CO2 from the CaCO3. That factor is increased by the ...

“That’s where John McCain was shot down in 1967”, my taxi driver said rather nonchalantly as we weaved our way through Hanoi’s heavy traffic back to the airport. I looked over at the city park and the placid lake into which the next presidential hopeful had plunged in his Skyhawk plane during his 23rd bombing mission over ...

I am not a successful investor. I classify myself as one who would, at times, buy high and sell low. One who would finally take the plunge to buy tech stocks the day before the market crashed back in 2000 or whenever, and one, when offered Cemex stock at giveaway prices back in 1996, thought that they were over-valued. (Anyway, my defense at the ...