SWIRL BURNER Russian patent published in 2003 - IPC

FIELD: thermal engineering; devices for burning all kinds of fuel. SUBSTANCE: swirl burner has case with cavity in the form of truncated cone that accommodates concentrically mounted central tube loosely positioned in longitudinal direction and conical shell installed in parallel and in a spaced relation to cavity surface. Swirl generator made in the form of truncated-cone bushing threaded on outer surface is inserted between shell and central tube. Side surfaces of bushing are tightly joined with outer and inner surfaces of central tube and shell, respectively. Burner ensures effective combustion of pulverized-coal, liquid, and gaseous fuels. EFFECT: enhanced operating reliability, simplified design, facilitated manufacture. 1 dwg