TUBE FURNACE Russian patent published in 2013 - IPC C10G9/20 

FIELD: oil and gas industry.

SUBSTANCE: invention is related to the tube furnace that consists of a body with lining, irradiation chamber with radiant coil and burners, convection chamber with tube bundle consisting of tube walls with convectional coils placed inside, longitudinal baffles located in gaps between tubes of convectional coil and lining of convection chamber at tube walls, at that longitudinal baffles are made as plates which can be rotated and fixed in horizontal plane at tube walls.

EFFECT: longitudinal baffles made as plates rotable in two positions can be replaced without dismantling of tube walls thus reducing labour intensity of repair and assembly works in the furnace and excluding near-wall removal of furnace gases and increasing performance efficiency of the furnace.

2 cl, 4 dwg