FURNACE Russian patent published in 2005 - IPC

FIELD: power engineering.

SUBSTANCE: furnace comprises central and periphery combustion chambers separated by a shield and interconnected through a by-pass port, burning device whose outlet part enters the space of the periphery chamber and is embraced with the circulation pipe. The nozzles for supplying injecting agent and air are set in front of the inlet face. The outlet face is provided with burning nozzle. The circulation pipe is mounted inside the burning nozzle to provide a ring space between them. The dust source is connected with the burning device through the main and by-pass dust ducts provided with gate valves. The by-pass dust duct is in communication with the circulation pipe which is inside the main dust duct connected with the burning nozzle. The burning nozzle and circulation pipe are made of converging pipes. The by-pass dust duct is connected with a source of fine dust.

EFFECT: enhanced efficiency.

1 dwg