PROCESS AND PLANT FOR THE THERMAL TREATMENT OF FINE-GRAINED SOLIDS

摘要

This invention relates to a process for the chemical and/or physical treatment of fluidizable substances in a reactor (1,1'), wherein fuel and combustion air preferably are supplied to a combustion chamber (4) upstream of the reactor and burnt at a temperature of about 1000 °C to about 1500 °C. The hot gas is introduced into the reactor interior (2) via a central tube (3). The hot gas and the central tube (3) are cooled with a coolant. Furthermore, this invention relates to a plant for performing such process.