FIRED HEATER Russian patent published in 2012 - IPC F23D14/12 F23C3/00 

FIELD: power industry.

SUBSTANCE: fired heater includes inner tube having the combustible gas supply channel in inner part, and external tube located for formation of separated combustion space on external periphery of inner tube; at that, on wall of inner tube there formed is combustible gas discharge hole, and on external periphery of inner tube there located is surface contributing to radiation and support plate installed closer to distal end than the above hole of inner tube, and oriented perpendicular to axial direction of inner tube; at that, support plate is supported with possibility of free movement in axial direction of outer tube.

EFFECT: increasing heating efficiency.

8 cl, 17 dwg