HRSGs – Page 3 – Combined Cycle Journal

HRSGs

SCR SYSTEM PERFORMANCE: Ammonia-system maintenance considerations

By Vaughn Watson, Vector Systems Inc The long-term performance of an SCR system depends on the efficiency of its critical components (Fig 1). While the catalyst often gets all the credit, and all the blame when performance declines, proper maintenance and routine inspection of the ammonia system can alleviate and prevent many factors that contribute

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HRSG maintenance: normal, major, preventive

Sponsored content from Bremco, an SVI Industrial company. The complex steam/water circuitry of heat-recovery steam generators, especially that in the multi-pressure HRSGs typically used in large-power applications, often requires special considerations when scheduling and performing maintenance and repairs. Many combined cycles go through multiple load changes daily—including on/off operation—which put intense thermal, mechanical, and water-chemistry

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PressureWave+: HRSG deep cleaning effect

Sponsored content from Bang&Clean Technologies AG and GE Gas Power By Marc Keusch, John Weimar, and Kenneth Hutchison As grid dynamics evolve, plant efficiency and fuel costs have become increasingly important for combined-cycle asset owners. Operators are requesting low-cost support to achieve incremental gains in performance of their assets to ensure they can continue running

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Webinar Series: Machine learning improves CCGT availability, capacity, and efficiency

Case studies on generation M&D, predictive analytics, capacity/fuel demand forecasting As a follow-on to its popular 2023 webinar series, Primex presents a new and improved series to help power plant managers understand machine-learning basics and learn how this rapidly evolving technology can improve power plant availability, capacity, and efficiency. Each webinar includes a 20-30 minute

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Air-Cooled Condensers: ACCUG 2022 Conference Report

ACCUG 2023, June 20-22 The Air-Cooled Condenser Users Group’s 2023 meeting will be held at Dominion Energy’s Innsbrook Technical Center in Glen Allen, Va, June 20-21. Thursday, June 22, is reserved for an optional tour of the utility’s Greensville County Power Station’s ACC. Visit https://acc-usersgroup.org for meeting details, hotel suggestions, registration, etc. Questions? Contact sheila.vashi@sv-events.net.

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AUSTRALASIAN BOILER AND HRSG USERS GROUP: 2022 Conference Report

The Australasian Boiler and HRSG Users Group (ABHUG) held its 2022 conference last November, in Brisbane, Australia. Participants joined from Australia, Germany, New Zealand, Singapore, UK, and US. There were 24 technical presentations and a workshop on film-forming substances. Selected highlights follow. ABHUG 2023 The Australasian Boiler and HRSG Users Group will conduct its 2023

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Keep up with advances in materials, inspection technologies

European Technology Development Ltd (ETD) organized and conducted, virtually, the second High-Temperature Plant Materials, Inspection, Monitoring, and Assessment Conference (MIMA-2) last October (2022). Sponsors were AGTec GmbH, Austria, and the Institute of Materials, Minerals and Mining (IOM3), London. Dr Ahmed Shibli, director, ETD Consulting, Leatherhead, England, and his staff organized and managed the event. Selected

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7F, HRSG best practices from River Road Generating Plant

River Road Generating Plant Owned by Clark Public Utilities Operated by General Electric 248 MW, gas-fired 1 × 1 7FA.02-powered combined cycle equipped with a Foster Wheeler HRSG and a GE A12 steam turbine, located in Vancouver, Wash Plant manager: Robert Mash ‘Hazard hunts’ promote safer working conditions Challenge. River Road personnel are encouraged to

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