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Centrifugal Compressors

Centrifugal Compressors

5 days
MTE/ECC-E
Sessions
This course is not scheduled.
Who should attend?

Audience

    • Operation and technical department staff involved in operation, monitoring and maintenance of centrifugal compressors.

Level

  • Proficiency
  • This course emphasizes the technology, the performance and operation of centrifugal compressors.
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.
Course Content

TECHNOLOGY

1.25 days

  • 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

1.75 days

  • Changes in gas velocity & 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 & temperature, gas composition, rotation speed.

OPERATION

0.5 day

  • 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 & safe operation.

DYNAMIC SIMULATION (IndissPlus by RSI) - APPLICATIONS

1.5 days

  • Use of a dynamic process simulator.
  • Exercises on start-up & shutdown phases.
  • Applications using disturbances generated by the lecturer.
Ways & Means
  • Case studies based on industrial feedback.
  • Various technical drawings of actual compressors.
  • Use of a dynamic process simulator.