Pre-turnaround scans are very useful tools for facilities to utilise for planning turnaround projects. They can indicate some damage within a vessel, allowing for parts to be ordered and onsite ahead of time. They can also indicate an operational issue, which can be corrected without an entry into the vessel. If required they can indicate that the vessel is healthy and no work is needed on it at this time.
Pre-turnaround scans enable better critical path planning
Mar 1, 2021 7:49:02 AM
Topics: distillation column, Distillation Column Performance, Column Performance, packed column performance, packed column, distillation column maintenance, gamma scanning distillation columns, trayed columns, turnaround schedules, turnarounds, distillation column scan, distillation column scanning, turnaround planning, packed bed towers, trayed tower, manage turnaround costs, turnaround critical path project, pre-turnaround scans, baseline scan, column troubleshooting, pre-turnaround planning, critical path planning
Baseline scanning is critical to diagnose future column problems
Jan 18, 2021 8:49:22 AM
Baseline scans of a vessel are undertaken when it is known to be clean, operating normally, and in good mechanical condition. They are often used for comparison purposes on future troubleshooting scans. Any anomaly, or abnormal absorption observed on a baseline scan, that cannot be explained by a visible external interference or by something indicated in the column drawings, may be able to be eliminated as a potential problem area in future troubleshooting scans.
Topics: distillation column, Distillation Column Performance, Column Performance, distillation column maintenance, gamma scanning distillation columns, distillation column scan, distillation column scanning, baseline scan, column troubleshooting
How to diagnose liquid maldistribution in packed beds: A case study - Part 2
Jun 8, 2016 11:35:29 AM
This post is the second part of the "Diagnosing liquid maldistribution inside packed beds" series.
In the previous blog, we explained how Tracerco’s Tru-Grid™ Scan technologies can be used to diagnose suspected maldistribution in packed beds. In Part 2, we will discuss how we obtain more details on distribution within the packed bed.
A challenge to process engineers is diagnosing liquid maldistribution problems inside packed beds that can cause severe mass transfer efficiency loss. In industrial distillation columns, common examples of the cause of liquid maldistribution are design, manufacture or installation defects of distributors as well as damage, plugging and process disturbance of packed beds.
In this latest blog we will explain how following a Tru-Grid™ Scan, Tracerco’s ThruVision™ technology was able to obtain a more detailed liquid distribution profile of the packed bed.
Topics: optimising plant processing, plant processing, scanning technology, Process Diagnostics, distillation column, Distillation Column Performance, packed column performance, distillation tower scanning, annular liquid distribution, Liquid maldistribution, packed column, Suspected maldistribution, distillation column maintenance, ThruVision scan, Tracerco technologies, Suspected maldistribution in packed beds, ThruVision