Rick Clark: About the Author
President, CIA Inspection Inc.
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Published Articles
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Development of a Remote Robotic Crack Detection System for Internal Inspections of On-line Coke Drums
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July/August 1995 Inspectioneering Journal
Delayed coker vessels experience severe loading sequences as they are routinely filled with hot liquid product (approx. 9000 F) and quenched to ambient temperature in a relatively short time period. The industry trend is to shorten the operating cycle time and increase throughput of the unit. This typically accelerates the cumulative damage/aging of the drum. Large, non-uniform shell distortion is common over time, often leading to failures which require repetitive repairs.