Petcoke for Lime Kiln | N Ox | Coke (Fuel) | Avalia#231;#227;o
In firing lime recovery kilns with pet coke, the indirect system is used because the amount of air to the burner has to be restricted, the system has to respond to a fuel trip and the restart of firing after a fuel trip has to be quick and safe. In both direct and semidirect systems the grinding mill shuts down on a