Centrifugal CompressorsMTE/ECC-E

Who should attend?

  • This course emphasizes the technology, the performance and operation of centrifugal compressors.
Audience :
  • Operation and technical department staff involved in operation, monitoring and maintenance of centrifugal compressors.

Level : Proficiency

Course Content

  • TECHNOLOGY

      • Different types of centrifugal compressors. Architecture of a centrifugal compressor.
      • Technology of the main components: stator, rotor, bearings, thrust bearing, seals.
      • Vibrations, critical speed, dynamic balancing. Auxiliary equipment: lubrication system, buffer gas, balancing line, etc.
      • Safety devices: axial displacement, vibrations, bearing and thrust bearing temperatures, oil pressure, etc.
  • PERFORMANCES

      • Changes in gas velocity and pressure in a centrifugal compressor.
      • Mass and volume flow rate as a function of pressure, temperature and gas composition.
      • Discharge temperature, power absorbed as a function of the gas composition and the operating conditions.
      • Compressor performance: influence of process parameters, impeller velocity and geometry.
      • Characteristic curves of the circuit and the compressor.
      • Influence of the operating conditions: inlet pressure and temperature, gas composition, rotation speed.
  • OPERATION

      • Flow rate control. Adaptation to service conditions.
      • Surge and antisurge devices. Standard control. Start-up and shutdown.
      • Monitoring the compressor and auxiliary equipment during operating conditions. Troubleshooting and safe operation.
  • DYNAMIC SIMULATION - APPLICATIONS

      • Use of a dynamic process simulator.
      • Exercises on start-up and shutdown phases.
      • Applications using disturbances generated by the lecturer.

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • describe the technology of centrifugal compressors,
  • explain operating conditions & main disturbances,
  • be involved in troubleshooting analysis.

Ways & Means

  • Case studies based on industrial feedback.
  • Various technical drawings of actual compressors.
  • Use of a dynamic simulator.