FIELD: heating.
SUBSTANCE: invention relates to heating devices for fluids, namely tubular heaters, and can be used in oil, chemical and other industries for thermal treatment of thermally labile thermally unstable liquids having technological and other limitations on maximum heating temperature. In particular, the heater can be used in technologies of demulsification and stabilization of oils in oil fields. Tubular heater comprises a body disposed within the body of the flame tube, an intermediate heat transfer fluid and a tubular coil arranged between the body and the heat pipe to allow a heated medium to pass through. Flame tube and the body are made in a form of straight cylinders and have one common axis. In the flame tube concentrically with it a cylindrical secondary radiator is placed with a streamlined body inserted into it.
EFFECT: technical problem solved by the invention consists in increasing of efficiency and reliability of tubular heater operation.
5 cl, 7 dwg
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