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E-626 - Centrifugal & Volumetric Compressor Operation

5 days MAT/COMPGB
Level
Proficiency
Audience
  • Operation and technical department staff involved in the operation of centrifugal and volumetric compressors
  • Employees in charge of running and checking compression systems
Purpose
  • To provide a better understanding of the technology, performance and operation of centrifugal and volumetric compressors
Learning Objectives
  • To describe the technology of centrifugal and volumetric compressors
  • To select the adequate operating conditions
  • To explain the main operating problems
  • To be involved in a troubleshooting process
Ways and means
  • Study of actual cases based on industrial situations
  • Various illustrations of actual systems

Centrifugal compressor technology and selection 1 day
  • Different types of centrifugal compressors
  • Component parts and architecture of a centrifugal compressor
  • Technology of the essential components: stator, rotor, bearings, thrust bearing, seals
  • Vibrations, critical speed, dynamic balancing
  • Auxiliary equipment: lubrication system, buffer gas, balancing line…
  • Safety parameters: axial displacement, vibrations, bearing and thrust bearing temperatures, oil pressure…
Centrifugal compressor performance 1 day
  • Changes in gas velocity and pressure in a centrifugal compressor
  • Mass and volume flow rate as a function of pressure, temperature and the nature of the gas
  • Discharge temperature, power absorbed as a function of the nature of the gas 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: intake pressure and temperature, nature of the gas, rotation speed
Centrifugal compressor operation 1 day
  • PID and logic security matrix analysis
  • Flow rate regulation. Adaptation to service conditions
  • Surge and antisurge devices. Conventional control
  • Startup and shutdown: hazards related to these phases
  • Survey and monitoring the compressor and auxiliary equipment under normal operating conditions
  • Troubleshooting
Reciprocating compressor technology and selection 0.75 day
  • Different types of reciprocating compressors
  • Component parts and architecture of a reciprocating compressor
  • Technology of the essential components: cylinder, piston, valves, sealing systems, crankshaft, connecting rod…
  • Auxiliary equipment: lubrication of motion parts and cylinders, cooling interstage and cooling devices systems, connections to the flare
  • Safety devices: sealing systems, connections to the flare circuit
Reciprocating compressor performances 0.5 day
  • Compression rate and volume flow rate; influence of the operating conditions: intake pressure and temperature, nature of the gas, rotation speed
  • Discharge temperature, power absorbed as a function of the nature of the gas and the operating conditions
  • Characteristic curves of the compressor
Reciprocating compressor operation 0.5 day
  • Flow adjustment
  • Conventional control: startup and shutdown
  • Monitoring the compressor and auxiliary equipment under normal operating conditions
  • Serie and parallel functioning
  • Troubleshooting
  • Hazards related to the reciprocating compressor: slugging
Rotary compressors technology, functioning, uses 0.25 day
  • Different types: screw, liquid ring, lobes, sliding vanes…
  • Component parts and architecture of a rotary compressor
  • Auxiliary equipment: lubrication system
  • Typical using
Compression prerequisites 0.5 day
  • Compression fundamentals: isentropic and polytropic compression
  • Pressure, flowrate, specific gravity, friction losses, centrifugal force, mechanic and aerodynamic power, energy conservation
  • Compressor choice and typical upstream implementations
Centrifugal and volumetric compressor technology and performance 2 days
  • Centrifugal compressors
  • Different types of centrifugal compressors
  • Component parts and architecture of a centrifugal compressor
  • Technology of the essential components: stator, rotor, bearings, thrust bearing, seals
  • Vibrations, critical speed, dynamic balancing
  • Auxiliary equipment: lubrication system, buffer gas, balancing line…
  • Safety parameters: axial displacement, vibrations, bearing and thrust bearing temperatures, oil pressure, …
  • Changes in gas velocity and pressure in a centrifugal compressor
  • Mass and volume flow rate as a function of pressure, temperature and the nature of the gas
  • Discharge temperature, power absorbed as a function of the nature of the gas 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: intake pressure and temperature, nature of the gas, rotation speed
  • Reciprocating compressors
  • Different types of reciprocating compressors
  • Component parts and architecture of a reciprocating compressor
  • Technology of the essential components: cylinder, piston, valves, sealing systems, crankshaft, connecting rod, …
  • Auxiliary equipment: lubrication of motion parts and cylinders, cooling interstage and cooling devices systems, connections to the flare
  • Safety devices: sealing systems, connections to the flare circuit
  • Compression rate and volume flow rate; influence of the operating conditions: intake pressure and temperature, nature of the gas, rotation speed
  • Discharge temperature, power absorbed as a function of the nature of the gas and the operating conditions
  • Characteristic curves of the compressor
  • Rotary compressors
  • Different types: screw, liquid ring, lobes, sliding vanes, …
  • Component parts and architecture of a rotary compressor
  • Auxiliary equipment: lubrication system
  • Typical using
Centrifugal and volumetric compressor operation 1.5 days
  • Centrifugal compressors
  • PID and logic security matrix analysis
  • Flow rate regulation. Adaptation to service conditions
  • Surge and antisurge devices. Conventional control
  • Start-up and shutdown: hazards related to these phases
  • Survey and monitoring the compressor and auxiliary equipment under normal operating conditions
  • Reciprocating compressors
  • Flow adjustment
  • Conventional control: start-up and shutdown
  • Monitoring the compressor and auxiliary equipment under normal operating conditions
  • Serie and parallel functioning
Compression system troubleshooting 0.5 day
  • Frequent problems: surge, slugging, lack of lubrication, vibrations, …
Safety in compressor operation 0.5 day
  • Industrials incidents and accidents analysis