Solution (Tube Side)
After identifying the blocked tubes Tube Tech used a three stage process. Pulse jets and robotic acoustic sensors to locate and unblock soft blockages, more severe blockages were removed with a multiple drilling unit, and rotary darTTs were propelled the tubes to remove deposits on 7712 tubes.
Solution (Shell Side)
Many sections were bridged with extremely hard coke. Tube Tech used polymeric water jets to remove the majority of bridging, revolutionary ShellJeTT to remove soft fouling, and a new rotary ShelJeTT to drill blockages from between tubes.
High Speed Enhanced Tube Cleanliness to allow both Eddy Current and IRIS Inspection Standard.