HYDROBARODYNAMIC METHOD OF CLEANING INTERNAL SURFACES OF PIPE-LINES Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: stream-forming tab device is moved along the pipe-line and a part of working agent is advanced to cleaning unit. The other part of the agent is advanced between device and wall of pipe-line through the spacing. Cavitator-travel limiter is installed onto the front panel of the device. In the parts where device stops the reciprocal motion is imparted to the cavitator at the condition when device continues to move. The process is under manometer control in cleaned section of pipe-line. Deposits are subject to variable and puled loads. In this case kinetic energy of the streams and rarefaction between the device and pipe wall is increased. EFFECT: improved quality; enhanced productivity. 1 dwg