Cycle Chemistry and FAC Training Workshop

Join us at the Hilton Embassy Suites, Cincinnati RiverCenter, June 27-28 2017.

Cycle chemistry influences a high percentage of the availability, reliability, and safety issues that conventional fossil and combined cycle plants experience.

This training class will provide attendees with knowledge on how cycle chemistry drives many of the damage mechanisms of the plant equipment, and what can be done to eliminate the problems.

Topics to be covered include:

Basic Cycle Chemistry
  • Importance of cycle chemistry in fossil plants (including combined cycle/HRSG)
  • Major failure mechanisms influenced by the cycle chemistry
  • Feedwater and boiler water chemistries – all-ferrous and mixed-metallurgy
  • Application of film-forming products
  • International Standards for cycle chemistry guidance
  • Monitoring feedwater corrosion products (total iron at key locations)
  • Instrumentation
  • Challenging status quo
  • Introduction of Repeat Cycle Chemistry Situations (RCCS) and how these result in failures
Basic Understanding of Oxide Growth
  • Growth of Magnetite
  • Formation of Hematite
  • Effect of cycle chemistry – pH and potential (ORP)
  • How is protection developed by optimizing the chemistry
  • How is the protection broken by non-optimum chemistry
Overview of FAC in Fossil and Combined Cycle/HRSG Plants
  • Basics of FAC
  • Components and systems included
  • Typical locations
  • Special considerations for air-cooled condenser
  • Materials
  • Typical appearances and indicators of single- and two-phase FAC
  • Effect of chemistry control
  • Solubility and changing solubility is key to single-phase FAC
  • Changing pH controls two-phase FAC
  • Severity of damage and its measurement
  • Effect of system geometry
Inspection and NDE
  • Basic philosophy of three-level approach (assessment, initial NDE/inspection, and gridded UT)
Optimum Approaches, Solutions and Repair Options for FAC and Cycle Chemistry
  • Repair options
  • Action planning to eliminate/reduce FAC
  • Plants with ACC including use of the main corrosion indicator (DHACI) and associated improvements
  • Results, expected and verified (color of pressure vessels, total iron levels)
  • Optimum cycle chemistry in line with international standard
Case Studies and Questions/Answers

There will be a number of case studies throughout the workshop, including detailed examples on conventional fossil, combined cycle/HRSG and ACC working in small groups.

Schedule

June 27th: Workshop opens at 8am and closes at 5pm.

June 28th: Workshop opens again at 8am and closes at 12pm.


Hotel and Accommodations

The Hilton Embassy Suites, Cincinnati RiverCenter

10 E RiverCenter Blvd
Covington, KY 41011

859-261-8400

Register (Individual) Register (Group)

About the Instructor

Barry Dooley


Dr. Barry Dooley is a Senior Associate with Structural Integrity Associates specializing in failures in power plants, flow-accelerated corrosion, tube failures, steam turbine damage and failure, and cycle chemistry. Before joining SI he was a Technical Executive, Materials and Chemistry, at EPRI in Palo Alto, California and Charlotte, North Carolina, where he managed the Cycle Chemistry, HRSG, and Materials Programs, as well as managing the Boiler and HRSG Tube Failure Reduction/Cycle Chemistry Improvement and FAC Programs. He wrote and was responsible for the EPRI Cycle Chemistry Guidelines for fossil and combined cycle / HRSG plants. Dr. Dooley received a Bachelor of Engineering with first class honors in Metallurgy from the University of Liverpool and was awarded the Ph.D. degree in Metallurgy from the same university. In 1996, he completed a D.Sc. at the Moscow Power Institute in Russia. Dr. Dooley is the author or co-author of over 290 papers and the editor of 14 international conference proceedings primarily in the areas of metallurgy, power generation, boiler and HRSG tube failures, FAC, cycle chemistry, steam turbine failures, and life extension and assessment of fossil plants. He is co-author of a three volume book on boiler and HRSG tube failures, a two volume book on steam turbine damage mechanisms, and a book on flow-accelerated corrosion in power plants.

Event Properties

Event Date June 26th, 2017
Event End Date June 28th, 2017
Individual Price $975.00
$975.00
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