FIELD: power engineering; combustion of mixtures in flow; welding, cutting, soldering, and heating of various materials in flame. SUBSTANCE: method involves intensification of burning by heating main flow of mixture with pilot-heating flame applied to it which is obtained by burning similar mixture admitted to combustion region by auxiliary flow. At least one additional flow of similar mixture is passed through pilot-heating flame at speed higher than that of main flow and additional flame obtained by combustion is fed to main flow. EFFECT: facilitated procedure. 3 cl, 3 dwg
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