INSTALLATION FOR GRANULATION OF FINELY DIVIDED MATERIALS Russian patent published in 1999 - IPC

FIELD: manufacture of granular products of finely divided powdery materials, applicable in chemical, food and other branches of industry. SUBSTANCE: installation comprises a granulation chamber with a fluidized layer, sprinkling injectors, heat-transfer agent feeding and discharge pipe connections, pipe connections for feeding the source powder and discharging the granulite, as well as cyclones. The lower part of the casing of each cyclone is furnished with a pipe connection accommodating a pneumatic ejector and connected to the granulation chamber through a pipe connection for return of the dust caught in the cyclone; the pipe connections for feeding of source powder and return of dust are located in the working area of the injectors installed in the chamber tangentially and spraying the binder solution. EFFECT: uniform distribution of binder on material particles, reduced content of dust in outgoing air to values not exceeding the critical ejection limits. 1 dwg