HRSG Basic Operating Concerns and Conditions

Learning objectives

  • Explain important steps during startup, shutdown, and normal operations
  • Explain the need for maintaining steam flow during the startup process
  • State why the operating environment of the HRSG is important
  • Describe why the use of vents and drains ensures steam quality
  • Identify what shutdown conditions would modify the shutdown procedure
  • Recall why and how pressure and temperature affect the life expectancy of the HRSG
  • Explain how pressure is created during the steam production process
  • Explain how pressure and temperature are controlled in the steam systems
  • Define cycling
  • Identify what components are most susceptible to failure when cycling
  • Explain and define:
    • Stress corrosion cracking
    • Fatigue corrosion cracking
    • Thermal fatigue
    • Creep

Course overview

When you complete this lesson, you will be able to describe the steps to startup and shutdown the HRSG, and the steps to confirm it is operating normally. Additionally, conditions that may cause concern during operation will be covered.

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