FIELD: power engineering. SUBSTANCE: burner has concentrically positioned hollow diffusers with flat walls. Vapor-gas mixture inlet pipe is provided with flat hollow spiral with nozzle openings. Spiral is positioned in pan and is filled with porous fire-resistant material. Upper ends of diffusers are provided with atomized-spray injectors. Outer surface of burner is protected with air shell. Fuel supply pipe is provided with return valve. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 2 dwg
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