CHIMNEY STACK CLEANER Russian patent published in 1998 - IPC

FIELD: power engineering; chimney stacks of various auxiliary industrial power units and various industries where air containing chemically active agents should be evacuated. SUBSTANCE: chimney stack cleaner has chimney stack 1, taper nozzle 2 around side surface of chimney stack 1 at exit section, curvilinear planes 3 with guide and vortex ribs 4, helical grooves 5 on inner surface of taper nozzle 2, taper gas trap 6, and annular sediment bowl 7 on external side at bottom base of taper nozzle 2. EFFECT: enlarged functional capabilities. 1 dwg