SMOKE STACK CLEANING UNIT Russian patent published in 2002 - IPC

FIELD: power engineering; smoke stacks of industrial power units and plants; evacuation of air of air-change ventilation system containing toxic admixtures. SUBSTANCE: cleaning unit includes cone-shaped attachment made from bimetal and curvilinear surfaces with guide and swirling fins, cone-shaped mud trap with mud collector made in form of circular groove and cone-shaped attachments located on outer with helical grooves on its inner surface; profile of these grooves is dovetail-shaped. EFFECT: improved ecological situation in area of thermal power plants and boiler houses. 2 dwg