Boiler Water and Steam Systems Training

557-01 Function of the Boiler Water and Steam Systems

When you complete this lesson, you will be able to describe the function of the boiler water and the steam systems. You will also be able to distinguish between forced and natural circulation boilers.

  • Examine boiler water systems
  • Define boiler steam systems
  • Distinguish forced circulation boilers from natural circulation boilers

557-02 Flow Paths and Components of the Boiler Water and Steam Systems

When you complete this lesson, you will be able to identify the major components of boiler water and steam systems and explain their functions.

  • Describe the flow path of the boiler water from the economizer to the boiler shroud and drum
  • Explain the relationship of drum water and steam levels
  • Describe the steam cycle through the primary superheater to the economizer
  • Explain the purpose of the major components along the steam cycle
  • Identify critical lines, valves, vents, drains, and controls along the main steam line
  • Explain the relationship of cooling water to the condenser during peak load demands

557-03 Process Controls for the Boiler Water and Steam Systems

When you complete this lesson, you will be able to describe the process and controls of the boiler water and steam systems.

  • Describe the process controls for the boiler drum level
  • Explain the relationship of steam flow, fuel, and air supplies and describe the controls that oversee this relationship
  • Examine the methods of control for low water fuel cutoffs

557-04 Start-up Procedures for the Boiler Water and Steam Systems

When you complete this lesson, you will be able to identify and explain the general start-up procedures for a boiler’s steam and water cycle.

  • Examine the initial conditions
  • Explain boiler feed pump operations
  • Describe and perform start-up procedures

557-05 Normal Operation of the Boiler Water and Steam Systems

When you complete this lesson, you will be able to describe the normal operations of the water and steam cycle within a power generating unit, the relationship of components within the system, and the effect of adjustments made to those components that may affect the efficiency and safety of the plant’s normal operation.

  • Describe the relationship of system components to maintain boiler water levels
  • Sequence the steps in the boiler water cycle
  • Identify and explain the relationship of components within the boiler steam system
  • Identify moisture erosion, its causes, and preventions

557-06 Shutdown of the Boiler Water and Steam Systems

When you complete this lesson, you will be able to identify and explain the shutdown process for the steam and water systems in the boiler.

  • Identify and describe the shutdown process for the steam cycle
  • Describe the shutdown process for the boiler water systems
  • Identify the procedures for opening the boiler and preparing it for maintenance during shutdown