HRSGs – Page 2 – Combined Cycle Journal

HRSGs

CYCLE CHEMISTRY: Corrosion monitoring in flexible and fast-starting plants

Following is an overview of a White Paper released in 2025 by the Power Cycle Chemistry Working Group of the International Association for the Properties of Water and Steam (IAPWS), accessible via this link. An IAPWS PCC White Paper is a technical document collating knowledge on a particular subject, often leading to an IAPWS Technical […]

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HRSG Forum heads to South America, announces leadership

Support for turbine end users in the South America facing changing market conditions, operating profiles, and supply chain challenges will arrive in September with a technical conference focusing on issues and concerns related to HRSGs, boilers and CCGT operations. With the assistance of partner organizations Power Users, EPRI, IAPWS, and Combined Cycle Journal; HRSG Forum

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HRSG/boiler users share experience down under

2024 conference overview. The Australasian Boiler and HRSG Users Group (ABHUG) meets annually to review and examine significant developments related to heat-recovery steam generators and closely-related conventional fossil boiler technology and issues. High-energy piping, valves, cycle chemistry, and regulatory issues are also explored. The annual meeting for 2024 was held December 3-5 in Brisbane, Australia,

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EHF2024: Highlighting new challenges for HRSG reliability

The European HRSG Forum (EHF) held its 10th annual event May 13-14, 2024, in Prato, Italy, attracting participants from 18 countries. EHF is conducted in association with the Australasian Boiler and HRSG Users Group (ABHUG), US HRSG Forum (HF), and HRSG Forum América Latina, all supported by the International Association for the Properties of Water

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PROCESS DIAGNOSTICS: Software-as-a-service diagnostics underscores whole-of-plant approach

Metroscope, a relatively new entrant (2023 launch) to the US real-time powerplant process diagnostic software market, recently conducted a webinar to build more awareness of its technology and to differentiate it from other packages (some of which have been evolving since the early 1990s and can be considered “standard” in combined-cycle plants and in centralized

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BOILER VALVES: Avoid Stellite delamination with alternative hardfacing

By Richard Laukam, ValvTechnologies LLC Steam stop valves, located at the boiler outlet, provide isolation. These typically are wedge-type gate valves, stop-check valves, or parallel-slide gate valves. Hardfacing often is applied to the seat and closing member (wedge, plug, or discs) to reduce wear and extend the duration of leak-free service. Hardfacing is the building

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HRSG need not be a limiting factor in GT upgrade

By Vignesh Bala, Vogt Power Editor’s note: This is the second of three articles exploring the impacts of gas-turbine upgrades on heat-recovery steam generators. It focuses on “re-rating” of the HRSG after the upgrade to extract maximum benefit from the work. Part 1, which examined the driving factors behind GT upgrades, appeared in August. Part

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Case studies on HP economizer tube leaks at Bouchain CCGT

By Guillaume GROGNET, Maintenance Mechanical Manager, Electricité de France Bouchain CCGT, operated by Electricité de France (EDF), in Northern France was commissioned in July 2016 and has accumulated over 45k operating hours and 650 GT factored starts as of Q4/2023. Due to European grid code and recent grid operation modifications, French and European CCGTs operate

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