FIELD: power industry.
SUBSTANCE: fired heater includes inner tube having combustible gas supply channel in internal part, and outer tube located for formation of separated combustion space on external periphery of inner tube; at that, combustible gas discharge hole is made on wall of inner tube, in which the braking point for combustible gas is created in combustion space; at that, combustible gas flow in combustion space is set so that circulating flow can be formed on periphery of braking point in the specified combustion space.
EFFECT: invention allows creating stable flame without increase in costs and improving heating efficiency.
19 cl, 25 dwg
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