Special to CCJ ONSite by Brian Hulse, BDHulse Consulting Services LLC If we know one thing about hoses, it’s that they’re expensive. So we always try to extract maximum value from them before they’re replaced. The hoses used on most gas turbines are manufactured with no published shelf-life or working-life limitation. Each hose on the […]
Inspect, maintain hoses to prevent failures, protect personnel Read More »
Building the better mouse trap Special to CCJ ONsite by Brian Hulse, BDHulse Consulting Services LLC It’s an age-old quest—building the better mouse trap. The US Patent Office has issued over 4400 patents for mouse traps although, paradoxically, only about 20 of them have ever seen any commercial success. This would lead one to think
Clean inlet air at the proper temperature promotes top performance Read More »
Special to CCJ ONSite by Brian Hulse, BDHulse Consulting Services LLC At some point in time, everyone who is anyone, from Arnold Palmer (photo) to Mahatma Gandhi, has made a quotable statement regarding cleanliness and/or hygiene. It’s never a controversial topic. Back in the 1840s, a Hungarian physician named Ignaz Semmelweis (1818-1865) demonstrated scientifically that
Case history: Personal cleanliness in the workplace important to good health Read More »
Special to CCJ ONSite by Brian Hulse, BDHulse Consulting Services LLC The actor Samuel L Jackson’s intimidating line in a credit-card commercial (“So, what’s in your wallet?”) came to mind the other day while I was reading an excellent blog written by Kelly Forrest for Cleveland-based Brennan industries, entitled “What You Don’t Know About O-Ring
Proper O-ring storage promotes leak-tight sealing Read More »
Brian Hulse is a leading information resource for gas-turbine owner/operators and CCJ ONsite. He has spent his 40+ post-college years dealing with gas turbines from many perspectives—including US Navy, EPC, O&M (owner and third party), asset management, component repair/reverse engineering/manufacture, mobile powerplant packaging, and depot MRO management. Hulse’s deep technical experience—aero engines such as the
Heat-recovery steam generators (HRSGs) are sometimes ignored by personnel at plants powered by GE Frame 7 E-class gas turbines—primarily 7Bs, 7Es, and 7EAs. The 7EA Users Group, with which you are most familiar, focuses on “things engine,” leaving solutions for other major equipment—including HRSGs and steam turbines—up to others. There are more boilers and steam
Review of DCS data can pinpoint avoidable, damaging thermal transients in HRSGs Read More »
The oldest engines in the GE 7E fleet served by the 7EA Users Group are approaching a half-century of service. This fleet incorporates gas-turbine models MS7001A, B, C, E, and EA, numbering 1168 units at 216 plants worldwide in mid-2017. The first unit, a 52.9-MW, oil-fired MS70001A, commissioned by Long Island Lighting Co in 1971
O&M solutions: Keystone of the 7EA Users Group’s annual meeting, October 8-11 Read More »
A goal of every engine inspection is not to miss something that could contribute to a forced outage. Success requires qualified technicians equipped with the most sophisticated tools available and well connected to company experts with deep and applicable experience ready to help diagnose findings that may be unfamiliar to those at the plant site.
Advances in inspection technologies benefit users Read More »
The Rotor Life Roundtable, chaired by Tracy Dreymala of EthosEnergy Group, covered issues, procedures, and capabilities of life-extension programs. The following seven vendors participated with brief overviews of their companies’ capabilities/activities, before Chairman Dreymala opened the discussion portion of the session: Scott Kennedy, Veracity Technology Solutions. Doug Sewell, Sulzer Turbo Services Houston Inc. Paul Tucker,
Roundtable 2: Rotor life weighs heavily on the minds of owner/operators Read More »
In 7EA Users lingo, “roundtable” is essentially a panel discussion. The 2017 meeting of the 7EA Users Group featured two two-hour roundtables, one on bus duct, the other on rotor life management. The way these sessions are arranged, participating vendors are seated at the front of the meeting room, owner/operators in the audience. To begin,
