TUBE FURNACE Russian patent published in 2014 - IPC C10G9/20 

FIELD: oil and gas industry.

SUBSTANCE: invention is referred to tube furnace which includes housing with lining, radiation chamber with radiant coil and burners, convection chamber with tube bundle consisting of tube sheets with convective coils located in them, longitudinal baffles made as angles and installed in the gaps between the tubes of convective coil and convection chamber wall lining on tube sheets, at that their side flanges are directed inside the tube bundle. Longitudinal baffles are interconnected by the common axis and can be turned around their horizontal axis with their hold position locking.

EFFECT: increasing efficiency of the furnace operation due to exclusion of flue gas slippage along walls of convection chamber.

2 cl, 2 dwg