scottschwieger – Page 66 – Combined Cycle Journal

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Sharing of best practices a top priority of the Frame 6 Users Group

BASF Geismar – BASF Chemical Co 160-MW, gas-fired, 2 x 1 combined cycle cogeneration facility location in Geismar, La. Plant Manager: Jerry Lebold The sharing of best practices among owner/operators contributes to safer working conditions and to increases in unit availability and reliability fleet-wide. The Frame 6 users have been proactive in this regard, contributing […]

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Replace your ageing CO2 fire protection system

Turbine Tip No. 10 by Dave Lucier, owner/GM, PAL Turbine Services, applies to General Electric package power plants (PPP), including the following: Model Series 5001, 6001, and 7001. GE PPPs originally had Cardox CO2 fire protection (Fig 1) with individual bottles of suppressant connected in two systems—initial burst and sustained delivery—to three compartments: accessory base,

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Are your compressor bleed valves open or closed?

Turbine Tip No. 12 by Dave Lucier, owner/GM, PAL Turbine Services, applies to General Electric package power plant (PPP) models MS5001D, L, and LA.    GE installed compressor bleed valves (a/k/a recirculation valves) on these legacy gas turbines. Axial-flow compressors for the earliest units—those with 15 or 16 stages—had valves to recirculate air from the

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Guaranteed emissions compliance for ageing gas turbines

Jeff Bause, Noxco’s CEO, opened the webinar by explaining to turbine users how his company is raising an industry bar with the first LTSA (long-term service agreement) for emissions compliance. He said that by removing the burden and responsibility for protecting and managing complex systems from owner/operators, Noxco delivers performance, predictability, cash flow, and 100%

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How HRSG duct burners can affect downstream tube metal temperatures

Metal temperature is, perhaps, the variable most affecting the service lives of superheaters and reheaters. Long-term overheating of these components can result in failures necessitating multi-million-dollar repairs, based on the experience of Bryan Craig, PE, and his colleagues at HRST Inc. There is an upward trend for overheating failures in the industry, and many HRSGs

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HRSG Forum panel digs into the details of trim erosion on HP-bypass PCVs

To address trim erosion on HP-bypass pressure control valves (PCV), HRSG Forum’s Bob Anderson (see previous article) put together a panel of experts—including Ory Selzer, IMI/CCI; Justin Goodwin, Fisher Valve; Vasileios Kalos, GE Gas Power; and Consultant Joe Schroeder. The erosion occurs when high-pressure steam entrains water droplets (not to be confused with saturated steam)

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Powerplant Safety: Hex chrome deep dive with chemistry focus

This year’s annual HRSG Forum with Bob Anderson is taking place online in monthly installments. If the first, held May 3, 2021, is any indication, you won’t want to miss any of the upcoming sessions. Follow CCJ ONsite for announcements of session content, dates, and times, and registration link. Invited participants are powerplant owner/operators and

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Catch up on the benefits of remote support, and technologies for improving plant flexibility

Two relatively short white papers available from Mitsubishi Power can bring you up to speed on the state-of-the-art and future of remote operation and support and on digital strategies for improving steam-plant performance. Some of the insights shared on the latter topic also are of value to combined-cycle owner/operators. “Remote Operation and Support—the New Normal?”

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Camfil, Penn State join Gas Turbine Association

Camfil Power Systems and Penn State joined the Gas Turbine Assn in March (2021) as Affiliate and Associate members, respectively, reports Managing Director Sal DellaVilla. They complement Mitsubishi Power, GE Power, Siemens Energy, Pratt & Whitney, Turbine Logic, Strategic Power Systems, PSM, Solar Turbines, and PW Power Systems in advancing the organization’s efforts to ensure

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