TUBE FURNACE Russian patent published in 2017 - IPC C10G9/20 

FIELD: oil-and-gas industry.

SUBSTANCE: invention relates to a tube furnace used for oil feed stock heating. The furnace comprises a housing with lining, a radiation chamber with a radiant coil and burners, a convection chamber with tube bundle comprising tube sheets with located in them convection coils, wherein in spacings between tubes of the convection coil and wall lining of the convection chamber in the tube sheets the longitudinal partitions are installed; the partitions are made in form of self-locking hollow tubular elements installed with possibility of free rotation around horizontal support rods secured in tube sheets.

EFFECT: increased efficiency of the furnace operation due to simple design and self-locking of the partitions during installation and dismounting of the tube bundle with sheets in installation and work positions.

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