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How low can you go? That’s the question owners of gas turbine combined cycle plants are asking these days as they are being called upon to operate those units for rapid response in markets where load following is becoming the norm. The resulting cyclic operation introduces challenges that can result in damage to steam cycle components if you aren’t careful.
Tetra Engineering provides services to assist Cement Plant Owners and Operators in implementing, maintaining and improving all types of Heat Recovery Systems. Our Heat Recovery Steam Generator and steam cycle services have been applied to Rotary Kiln Waste Heat recovery power generation systems. Whether addressing problems with fouling, or assessing plant modifications for performance improvements, contact Tetra to reduce your energy costs and increase reliability.
Tetra Engineering will be presenting our technical paper on "Impact of Startup Purge Credit on Combined Cycle Plant Operation" at the ASME Power and Energy Conversion 2015 Conference in San Diego, California, USA on June 30, 2015. It describes the technical basis for purge credit operation and provides an example of the impact on fatigue lifetime in key Heat Recovery Steam Generator components.
At Combined Cycle Power Plants the Heat Recovery Steam Generator (HRSG) is an easily-overlooked, but key component, providing steam to the steam turbine and to attached process steam hosts. While base-loaded HRSGs tend to be the most reliable - cycled or two-shifted plants suffering from accelerated damage - the importance of allocating sufficient resources to maintenance of the HRSG is often only realised in hindsight.
Tetra Engineering will have a booth next month at the upcoming PowerGen Middle East in Abu Dhabi on October 12-14. We will present our latest service offerings including Field Services, Engineering Analysis, 3rd Party Engineering, and Training. Come see us at the N21 booth, and enter your business card for your chance to win a Wilesco Steam Engine Generator!
At the 2014 ASME Power Conference in Baltimore, David Moelling of Tetra Engineering presented the recent research paper titled: Role of Boiling Mode and Rate in Formation of Waterside Deposits in Heat Recovery Steam Generator Evaporator Tubes, written by David Moelling and James Malloy. The paper discusses results from research in the theory of boiling mode and deposit formation, employing advanced thermal simulation of evaporation in real boiler models, and compares results with actual experiences in recent years.
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