TUBULAR HEATER Russian patent published in 2018 - IPC F22B7/00 

FIELD: heating.

SUBSTANCE: invention relates to heating devices for fluids, namely to fire heaters, and can be used in oil, chemical and other industries for the heat treatment of thermolabile and thermally unstable liquids having technological and other limitations on the maximum heating temperature. Tubular heater comprising a flame tube with turbulence rings arranged therein, a convection chamber, a burner device adjoining an end of the flame tube, a jacket in which an intermediate heat carrier is placed and a section of a process coil made of successively connected tube-pins with interwoven ribbons inserted therein, which is connected in series with another section of the process coil placed in a convection chamber and made of serially connected tube-pins, on the outer surface of which there is a spiral winding, is characterized in that the convection chamber is located in a portion of the flame tube opposite to the burner device, in the flame tube at an angle to the horizontal, there are additionally placed tubes that open ends enter the shirt, in addition, the body cylindrical elements of the heater are made detachable for the possibility of extracting sections of the process coil and the convenience of carrying out repair works.

EFFECT: technical problem solved by the invention consists in simplifying the design, increasing the efficiency and reliability of the tubular heater operation.

1 cl, 6 dwg