We have 500 tpd plant,after preheater we have heat exchanger and bag filter system and we are drawing hot gas to the raw mill,it has been observed that when raw mill not running we are getting positive pressure at preheater
fan outlet and heat exchanger system getting pressurized, avg raw mill running in a day is 14 to 15 hrs and kiln running 24 hrs, what is the effect of positive pressure at preheater fan outlet and on what extent it will affect on kiln operation, clinker production
and quality, if we maintain negative pressure contineously, what extent it will benfits, please brief us, Thank you, Ramesh Aital