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Abstract

A method of producing a hot gas flow by combustion of preferably liquid fuels, by the following steps: (a) atomizing the liquid fuel to form fine particles; (b) further atomizing the thus generated fuel particles with the aid of combustion air supplied as atomizing medium, and reducing the mean fuel particle diameter to less than one-half of the mean diameter obtained in step (a); (c) burning the fuel-air mixture within a flame cone extending on an axis A, under stoichiometric conditions or with an excess of oxygen within an air duct; (d) introducing a stream of cold air to be heated or of another medium, optionally including components adapted to be oxidized, in a plane E extending substantially perpendicularly to axis A. Further, the invention relates to a hot gas generator or incinerator for carrying out the method, comprising a straight air conducting pipe which has coaxially positioned therein a burner for liquid fuels, including a two-stage atomizing assembly for the liquid fuel. Several inlet apertures or ports open in the vicinity of the flame cone of the burner, said port serving to supply into said air conducting pipe, gaseous media, optionally containing oxidizable components.

First Claim