Describe and Operate Centrifugal Compressors

Describe and Operate Centrifigual Compressors

Total Pages: 212

Training Objectives
Upon completion of this centrifugal compressor training kit, you will be able to describe:

    		• the purpose of centrifugal compressors
    		• centrifugal compressor components and their functions
    		• centrifugal compressor operating principles and operating characteristics
    		• centrifugal compressor operating variables
    		• types of centrifugal compressors
    		• configuration, controls, and safe operation of:
    - single compressor systems
    - parallel compressor systems
    - series compressor systems
    		•  centrifugal compressor auxiliary systems and their functions
    		• centrifugal compressor protective shutdowns
    		• how to stop centrifugal compressors
    		• how to perform lockouts and remove lockouts
    		• how to start centrifugal compressors

    Table of Contents

    Training Objectives 1
    1 Introduction 1
    2 Centrifugal Compressor Component Overview 3
    3 Centrifugal Compressor Operating Principles 5
    3.1 Compression Action and Head 5
    3.2 Compressor Operating Regions 6
    3.3 Compressor Operating Variables 13
    4 Centrifugal Compressor Types 14
    4.1 Single Stage Compressor 14
    4.2 Multistage Inline Compressor 15
    4.3 Multistage Opposed Compressor 20
    5 System Configuration and Operation: One Compressor 24
    5.1 Process Gas Flow 24
    5.2 Process Gas Cooling 29
    5.3 Compressor Purging, Pressurizing, and Blowdown 32
    5.4 Instrumentation and Process Control 35
    5.5 Compressor Monitoring/Control Systems 45
    5.6 Primary Capacity Controls 52
    5.7 Secondary Capacity Controls 55
    5.8 Compressor Safety 57
    5.9 Monitoring Operating Variables 61
    6 System Configuration and Operation: Parallel Compressors 64
    6.1 System with Two Parallel Compressors 64
    6.2 Process Gas Flow, Instrumentation, and Controls 65
    6.3 Compressor Safety 67
    6.4 Monitoring Operating Variables 67
    7 System Configuration and Operation: Series Compressors 68
    7.1 System with Two Series Compressors 70
    7.2 Process Gas Flow, Instrumentation, and Controls 70
    7.3 Monitoring Operating Variables 71
    8 Compressor Auxiliary Systems: Lubricated Bearings 73
    8.1 Compressor Shaft Bearings 73
    8.2 Compressor Bearing Lubrication System: Purpose and Overview 75
    8.3 Lubrication System: Components, Instrumentation, and Control 75
    8.4 Compressor Bearing Lubrication System: Safety 84
    8.5 Monitoring Compressor Bearing Lubrication System 84
    8.6 Compressor Magnetic Bearings 89
    9 Compressor Auxiliaries: Shaft Seals 90
    9.1 Dry Gas Seals 92
    9.2 Oil Lubricated Seals 99
    10 Compressor Protective Shutdowns 104
    10.1 Importance of Compressor Unloading and Compressor Start-Up Pressure 105
    10.2 Shutdowns due to Hazardous Ambient Conditions 106
    11 Stopping Centrifugal Compressors 108
    11.1 Emergency Shutdowns (ESDs) 109
    11.2 Automatic Pressurized Shutdowns 112
    11.3 Automatic Depressurized Shutdowns 114
    11.4 Planned Shutdown 116
    12 Lockout 118
    12.1 Perform Lockout 119
    12.2 Remove Lockout and Prepare for Startup 119
    13 Starting Centrifugal Compressors 121
    13.1 Starting the Compressor 121
    13.2 Startup Permissives 123
    14 Self-Check 125
    15 Self-Check Answer Key 136


    Price for this kit is $89.00 Cdn per single license or
    $399.00 Cdn per site license.
      licenses.

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