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Feedwater Heater Operations and Maintenance

Monday, July 12
8:00 am - 5:00 pm


Presented by
Michael Catapano, Fellow of ASME, President, Powerfect Inc.
Eric Svensson, VP - Engineering, Powerfect, Inc.


  Course Outline
General Description of Closed Feedwater Heater Design
  • Basic Overview
  • Feedwater Heater Internals and Functions
  • Heat Transfer Relationships
  • Standards and Guidelines


Operational Guidelines

  • Basic Overview
  • Systems Approach
  • On-line Performance Monitoring
  • Performance Testing - Heat Balances
  • Performance Modeling


Significant Patterns of Failure & Understanding Key Problems

  • Level Control
  • Tube Vibration
  • Flow Acceleration Corrosion
  • Water Chemistry & Corrosion
  • Steam Impingement
  • Principal Areas of Susceptibility


Corrective Maintenance Practices

  • Tube Plugging
    • Principal Problems
    • Outage Conditions
    • Plug Types - Pros and Cons


Lifecycle Management Approach

  • Routine Inspection and Testing
  • NDE
  • Metallurgical Analysis
  • Failed Tube Sampling
  • Failure Cause Analysis- The Primary Objective

 
 
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