| 摘要 |
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 |
