WOOD WASTE INCINERATOR Russian patent published in 1999 - IPC

FIELD: wood waste incinerating equipment. SUBSTANCE: incinerator has charging hopper, heat-exchange device, exhaust fan and vertical shaft with perforated lower part. Vertical shaft has perforated sleeves and device for preventing dome formation. Sleeves are mounted in vertical position so as to rest with their open part upon fire grate. Afterburner has annular section and is defined at inner side by vertical shaft wall and at outer side by secondary air heater having two vertical collectors with horizontal annular tubes between them. One of collectors has nozzles for supplying heated secondary air into combustion chamber. EFFECT: increased efficiency and enhanced reliability in operation. 2 dwg