Through the design and application of auto-deslagging unit,it solves many problems occurred in manual deslagging and ensure pipe ends expansion procedure go on smoothly.
Online Flattener is main equipment of welded pipe unit,the property of Flattener is very important to ensure production of welded pipe with larger wall thickness going well.
For unadjustable ones, the exit may be the best choice.This paper also studied the relevant barrier, ways and policies.The last part can be viewed as a case discussion.