COMBINED DRIER Russian patent published in 1998 - IPC

FIELD: heat treatment of loose, liquid and paste-like materials, mainly in chemical and petrochemical industries. SUBSTANCE: combined drier includes aerospout chamber and rotary spiral final drier engageable vertically with it in its upper portion, nozzle for introducing the heat- transfer agent, loading device made in form of disintegrator-spreader and mounted in lower portion of aerospout chamber above nozzle, cyclone-unloader and recirculating pipe line which is used for connection of final drier with nozzle introducing the heat-transfer agent to aerospout chamber. EFFECT: enhanced reliability. 2 dwg