TUBE FURNACE Russian patent published in 2012 - IPC C10G9/20 

FIELD: oil and gas production.

SUBSTANCE: tube furnace 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 are installed in the gaps between the tubes of convective coil and convection chamber wall lining on tube sheets, the baffles are made in a form of angles, note that their side flanges are directed inside the tube bundle.

EFFECT: due to the longitudinal baffles in a form of angles installed in the gaps between the tubes of convective coil and convection chamber wall lining on tube sheets there excluded is the penetration of near-wall layers of combustion gases in convection chamber and furnace operation effectiveness is increased, labour intensiveness of repair-installation works is decreased.

2 dwg