Compressors Training

225-01 Compressed Air Systems

When you complete this lesson, you will be able to describe the basic classifications of air compressors used in industrial facilities. In addition, you will be able to explain the operation of service air and control air systems.

  • Define air compressor
  • Recall the primary difference between the two basic categories of air compressors
  • Give four examples of prime movers used to power a compressor
  • Describe the purposes of the service air and control air systems, and identify examples of equipment powered by each
  • Define the term 'air quality’ with regard to a compressed air system
  • Describe the relationship between temperature, pressure, and volume in a compressed air system
  • Explain the benefit of a staged compression system

225-02 Compressed Air System Components

When you complete this lesson, you will be able to describe the basic components that make up a typical compressed air system. In addition, you will be able to explain some basic troubleshooting techniques used to detect problems in compressed air systems

  • Describe the purpose and design of an intercooler on a multi-stage air compressor
  • Describe the purpose and design of an aftercooler
  • Identify the three basic categories of air purifiers
  • Compare the action of a refrigerant dryer unit to a desiccant dryer unit
  • Explain how ultrasonic analyzers and vibration analyzers can be used to diagnose problems in compressed air systems

225-03 Positive Displacement Compressors

When you complete this lesson, you will be able to explain the basic design and operation of positive displacement air compressors, including both the reciprocating and rotary types.

  • Describe a positive displacement air compressor
  • Identify the basic design characteristics and explain the operation of both single-acting and double-acting reciprocating air compressors
  • Identify the basic design characteristics and explain the operation of the following types of rotary air compressors:
    • Screw type
    • Lobe type
    • Vane type

225-04 Dynamic Compressors

When you complete this lesson, you will be able to describe the basic design and operation of dynamic air compressors, including both the centrifugal and axial types.

  • List the basic operational characteristics of dynamic air compressors
  • Describe the basic design and operation of a centrifugal air compressor
  • Identify the difference between a single stage and multi-stage centrifugal air compressor
  • Explain the minimum requirements of the basic start-up procedure used to put a dynamic air compressor in service
  • Describe the basic design and operation of an axial air compressor

225-06 Axial Compressor Control Schemes

When you complete this lesson, you will be able to recall the fundamentals of axial compressor control, control system selection, surge control components, and surge control and avoidance.

  • Recall fundamentals of axial compressor control
  • Describe axial compressor control system selections
  • Identify axial compressor surge control components
  • Recall fundamentals of axial compressor surge control and avoidance