FIELD: heat power engineering. SUBSTANCE: burner has housing with branch pipe for supplying air, central pipe, and central branch pipe for supplying air mixture positioned inside the auxiliary gas burner having autonomous gas branch pipe. The central pipe is made up as two concentrically arranged metal shells, a fire-resistant spacer being positioned between the pipes. A conical nozzle is connected to the outlet face of the central branch pipe. A shell for supplying air is additionally arranged around the auxiliary burner. A swirler is mounted inside the shell. EFFECT: improved design. 4 dwg
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