DEVICE FOR WASHING AND DRYING PIPES Russian patent published in 1998 - IPC

FIELD: equipment for cleaning used pipes in preparation for reuse in oil, chemical and other industries. SUBSTANCE: device includes transportation system and washing and drying unit which consists of two circuits for washing the inner and outer surfaces of pipe. Inner washing circuit is made in form of rod which is fed inside pipe. Working end of this rod is provided with nozzles for delivery of washing solution. Outer washing circuit is made in form of circular bush mounted in housing. This bush embraces the pipe on the outside; it is connected with crank and shaft of roller table by means of rods through bevel gearing. Bush is reciprocating around axis of pipe. EFFECT: enhanced efficiency. 3 cl, 3 dwg