LOW-TEMPERATURE SWIRLING-TYPE FURNACE Russian patent published in 2005 - IPC

FIELD: chamber-type burning of fuel; industrial and power-generating boilers.

SUBSTANCE: proposed swirling-type furnace has burners and under-grate blast nozzles mounted on front baffle wall at downward inclination and directed tangentially relative to arbitrary body at horizontal; axis of rotation; under-grade blast nozzles are mounted under lower bend of front baffle wall; top blast nozzles are mounted on rear baffle wall and are also tangentially directed towards arbitrary body of revolution. Top blast nozzles are grouped and are oriented to respective burners. Under-grate blast nozzles are made in form of ejectors and are mounted in bins formed by means of brickwork and/or baffle walls in dry-bottom ash hopper with at least one fire grate; fire grate is cooled with water and is provided with rabbling plate.

EFFECT: enhanced economical efficiency.

4 cl, 2 dwg