Inspectioneering
Inspectioneering Journal

Remote Inspection Tool Developed To Provide Inspection For Complex Furnace Tube Configurations

Part 1 of 2

By Richard D. Roberts at Quest Integrity Group, and Tim Cowling. This article appears in the March/April 1998 issue of Inspectioneering Journal
This article is part 1 of a 2-part series.
Part 1 | Part 2

 

Furnace tubes in the petrochemical and refining industries lengths’ can exceed 2,000 ft., often with multiple serpentine bends. This can make them extremely difficult to inspect using conventional NDE methods. The following inspection tool (FTIS) employs the combined capabilities of high-speed laser and advanced ultrasonic wall thickness measurements and is propelled through the piping via a column of clean water which provides a path for the laser beam, and the coupling for the ultrasonic signals.

 

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