UA55240U - Dust-oil-gas burner with forced air supply - Google Patents

Abstract

A dust-oil-gas burner with forced air supply has a central pipe in which concentrically are installed a pipeline for fuel supply, pipe for primary air supply, a pipe for secondary air supply, with oil atomizer placed in it, a volute chamber connected to the central pipe, this is equipped with placed concentrically at the outer side of central pipe a branch pipe for discharge of recirculation gases and a branch pipe for secondary air supply connected to the pipe, those have paddles and are installed to embrasure, a circle-like gas duct placed at the outer side of the central pipe, with gas distributing pipes, those are placed in circle in gap between the central pipe and the branch pipe of secondary air. Gas distributing pipes are arranged with diameter equal to 0.01-0.02 of the inner diameter of the embrasure and with total area equal to 0.0065-0.0075 of area of cross section of embrasure. The pipes are arranged in circle with diameter equal to 0.5-0.55 of the inner diameter of the embrasure.