Blowers and Compressor

Starts from:Tue, December 18, 2018
Campus Location

Course Description

Blowers and Compressor

 

Course introduction

 

This course provides the participants with complete and up-to-date overview of the technology of blower and compressor. It will also distinguish the basics of stationary and moving air terms and characteristics. It will identify the different types of blowers and compressors and their applications. In addition the different functions of fan and blowers will be discussed. Blower and compressor capacity control along with their performance will be discussed. The systematic approach and maintenance methodology assessment of blowers and compressors will be conducted. Energy optimization and saving energy opportunities will be discussed. Operation difficulties and Troubleshooting of blower and compressors will be assessed during this course.

 

Course Objectives

 

Upon the successful completion of this course, each participant will be able to:

  • Apply the latest technologies on blower and compressor and distinguish the basics of stationary and moving air.
  • Define the blower and compressor terms and characteristics and identify the different types of compressors and their applications
  • Review and carry-out compressor performance and explain the different functions of fan and blowers
  • Employ fan capacity control and apply the systematic approach and methodology assessment of fans and blowers
  • Emphasize the energy efficiency opportunities and determine the difficulties in assessing the performance of blowers and compressors
  • Employ blower and compressor operation and maintenance methodology
  • Troubleshoot performance problems for blowers and compressors

 

 

 

Who Should Attend

 

This course is intended for mechanical maintenance technicians & maintenance engineers.

 

Course Program

 

The following program is planned for this course. However, the course instructor(s) may modify this program before or during the course for technical reasons with no prior notice to participants.  Nevertheless, the course objectives will always be met:

 

Day 1

 

Basics of Stationary and Moving Air

  • What are the Blowers and Compressors
  • Difference Between Blowers and Compressors
  • Atmospheric Pressure
  • Static Pressure
  • Airflow Through a Round Duct of Constant Diameter, Velocity Pressure
  • Airflow Through a Converging
  • Airflow Through a Diverging Cone
  • Venturi Inlet

 

Fans and Blowers

  • Centrifugal Blowers, Operation & Maintenance
  • Positive Displacement Blowers
  • Selection of Fans
  • Rotary Blowers

 

Day 2

 

Maintenance of Blowers

  • General Motor Maintenance
  • Drive Maintenance
  • Bearing Maintenance
  • Lubrication
  • Wheel and Shaft Maintenance
  • Structural Maintenance

 

Troubleshooting Performance Problems

  • Air Capacity Problems
  • Noise Problems
  • Vibration Problems
  • Motor Problems
  • Drive Problems

 

Basic Compressor Parameters:

  • Thermodynamics
  • Capacity
  • Power
  • Efficiencies
  • Gas Properties
  • Intercooling

 

Day 3

 

Introduction to Compressor Types:

  • Centrifugal
  • Axial
  • Reciprocating
  • Helical Screw
  • Ranges of Application and Limitations

 

Types of Compressors

  • Positive displacement (reciprocating and rotary),
  • Dynamic (centrifugal and rotary)
  • Compressor operation
  • Gas laws.
  • Ccompressor performance measurement
  • Inlet conditions
  • Compressor performance
  • Positive displacement compressors
  • Reciprocating compressors
  • Diaphragm compressors.
  • Rotary compressors
  • Rotary screw compressor
  • Lobe type air compressor
  • Sliding vane compressors
  • Liquid ring compressors
  • Air receivers, compressor control, compressor unloading system
  • Intercoolers and after coolers, filters and air intake screens
  • Preventive maintenance.

 

Centrifugal & Axial Compressors

  • Principle of operation of centrifugal and Axial flow compressors,
  • Characteristics of centrifugal and axial flow compressor.
  • Surging
  • Choking
  • Bleed valves
  • Variable stator vanes
  • Inlet guide vanes

 

Mechanical Design of Centrifugal Compressors:

  • Compressor Side Streams.
  • Rotors
  • Balancing
  • Rotor Dynamics
  • Impellers
  • Casings
  • Bearings
  • Seals
  • Couplings
  • Controls

 

Day 4

Compressor Systems Calculations

  • Affinity Laws for centrifugal compressors
  • Calculations of air leaks from compressed-air systems, annual cost of air leakage
  • Centrifugal compressor power requirement
  • Compressor selection, calculations of air system requirements
  • Characteristics of reciprocating compressors and blowers
  • Selection of air distribution system, water cooling requirements for compressors
  • Sizing of compressor system components, sizing of air receiver
  • Calculations of receiver pump-up time

 

Day 5

Selection of Centrifugal Process Compressors:

  • Characteristic Curves; Stability

Compressor Maintenance, Inspection, Overhaul and Troubleshooting

 

Alignment Techniques and Support Criteria:

  • Review of Dial Indicator Methods
  • Laser Optic Cold Alignment.

On-Stream (Hot) Alignment Verification Techniq