The Compressor Roundtable included discussion of the following: HEPA hydrophobic filters. A user said his HEPA filters had been in service for two years and provided very dependable output over that time. Compressor remained clean. Some users touted the benefits of removing inlet silencers—including a lower delta p across the inlet system while mitigating compressor […]

Best Practices was introduced as a roundtable in 2019. Topics were varied. First was a fit-up test for first-stage nozzles and transition pieces (TPs) two to three weeks before the outage to avoid surprises. Other BPs included these: Do a proper repair spec and follow your parts through the shop for best results. Specify a

This session included a debate on the pros and cons of upgrading control systems versus retaining/maintaining legacy controls. Several users supported the idea of sticking with legacy systems because there’s a vibrant third-party supplier community available for support—including parts and knowledgeable technicians. An operator with Mark VI controls said his plant upgraded to Mark VIe

Discussion threads ranged from sulfur buildup in stop/speed ratio valves that could prevent restarting after a unit trip to the value of a flash drum in the continuous blowdown line enabling beneficial use of the steam produced to the value of inlet bleed heat for deicing and unit turndown. Plus others. An attendee reported a

John F D Peterson, one of the Frame 6 Users Group’s founders, conducts his highly regarded four-hour introductory course on the 6B the day before the annual conference officially begins. This session is offered by the steering committee to acquaint new members on the (1) history of improvement in both thermal and mechanical performance since