LINE FOR APPLYING PROTECTIVE COATING ON OUTER SURFACE OF PIPES Russian patent published in 2006 - IPC F16L53/00 

FIELD: construction.

SUBSTANCE: line comprises devices for heating preliminary cleaned pipes and applying protective coating on their outer surface. The line is provided with the steam generator with furnace device and chimney path. The device for heating is made of two shells for permitting longitudinal movement coaxially to the pipe and has face thickenings. The shells are mounted with a spaced relation one to the other. The first shell is provided with branch pipes for supplying steam and discharging condensate, and the second shell is provided with branch pipes for supplying and discharging flue gases. The branch pipe for supplying steam is connected with the steam generator, and the branch pipe for supplying flue gases is connected with the end of the chimney path of the steam generator.

EFFECT: expanded functional capabilities.

1 dwg