TUBULAR FURNACE Russian patent published in 2024 - IPC C10G9/20 C10G9/14 

FIELD: heating of liquid media.

SUBSTANCE: proposed invention is intended for heating oil products or other liquid media in oil refining, chemical and other industries. Tubular furnace comprising a combustion chamber with burners, a lined housing and a tubular coil, a convection chamber with a coil, a barrel for supplying hot gases to the convection chamber, as well as the chimney, the tubular coil is installed coaxially to the hot gas supply barrel, it is made of two parts, internal and external. Around the burners, between the inner and outer parts of the tubular coil there are spiral coils, wherein the direction of the spirals in the adjacent spiral coils is opposite, coil in the convection chamber is made in the form of a circular array of parallel pipes arranged at an angle to the vertical, between spiral coils there are partitions having a wave-like shape, and swirlers are made in the barrel, on its inner surface.

EFFECT: creation of a tubular furnace providing intensive heating of liquid media.

1 cl, 4 dwg