Device for lubricating outer surfaces of steel pipes, has cavity including three chambers, where first chamber forms inlet locking chamber, second chamber forms lubricating chamber, and third chamber forms outlet locking chamber

摘要

The device has a cavity including three chambers, where the first chamber forms an inlet locking chamber (1), and the second chamber forms a lubricating chamber (2) and the third chamber forms an outlet locking chamber (3). The first or third chamber is attached to an exhaust unit (4). The lubricating chamber includes a lubricating nozzle (5) that radiates air/oil mixture under pressure, where a ratio of compressed air volume to oil volume is larger than 100:1. An oil drain (6) is equipped at a lower side, where the drain opens for collection and feeding of oil into a circuit in a container.