Reinsulation of Delayed Coker Feedlines Reduces Maintenance
A Midwest refinery was experiencing premature coking in their feedline. This came just two years after insulating the feedline with calcium silicate. An inspection determined the incumbent insulation had failed, causing cold spots in the feedline. If left unchecked, the line would require pigging every few weeks. The plant engineer elected to replace the degraded calcium silicate insulation with Pyrogel HPS.
The Result – Decreased the pigging frequency required for the feedline, saving an estimated $600,000 per year in maintenance costs!
Insulating Overhead Line Improves Process Stability at Midwest Refinery
The overhead lines at a Midwest refinery were historically left uninsulated because of its requirement for rapid heat loss. However, this led to performance issues when there was strong wind, rain, or snow. The decision was made to insulate the overhead lines during its turnaround, so the speed of installation was a top priority. The facility selected Pyrogel HPS because of its proven success in other areas of the facility as well as how quickly it could be installed.
The Result – 20mm of Pyrogel HPS was used to insulate 150ft of overhead lines with 24in diameter in only 3 days!