| 摘要 |
The pig test method is used for cleaning and inspecting crude oil transfer pipe of ocean steel strcuture and J-tube line for guiding the pipe used for pumping crude oil by using a parachute. The methode comprises a) iserting a parachute, tied up with a rope, into a pipe, b) pumping air into the pipe in order to have the parachute pass through the pipe, c) having the wire, which is fastened at the end of the rope, be pulled by the rope, and d) operating the test by connecting the wire to the pig tester.
|
