ICTD International Centre for Training and Development

Centrifugal and Rotary Pumps: Fundamentals With Applications

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About the course

Centrifugal and Rotary Pumps offers both professionals and students a concise reference detailing the design, performance, and principles of operation of the different pumps types defined by the Hydraulic Institute. From historical background to the latest trends and technological developments, the author focuses on information with real-world practicality and techniques you can implement immediately.

Beginning with the fundamentals, the text then shifts to real field cases that address applications, pump age, system interaction, reliability, failure analysis, and practical solutions. By including specification parameters and criteria for the application of various pumps, this comprehensive book provides necessary and timely material that plant engineers, maintenance staff, operators can use and share with colleagues.

Course Objectives

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

  • Provides a clear understanding of different pump types, including centrifugal, gear, rotary, lobe, vane, screw, diaphragm, and progressing cavity
  • Presents actual case histories that illustrate practical solutions to pump problems faced by engineers, operators and maintenance personnel
  • Offers a timely update on recent trends and developments
  • Outlines the pros and cons of each type of pump and includes specification parameters

Course Outline

Day 1

Classification of Pumps/Concept of a Pumping System

  • Liquid Transfer
  • Input Power, Losses and Efficiency
  • System Curve
  • Pump Curve

Centrifugal Pump-Fundamentals

  • Affinity Laws
  • Helpful Formulas Per Centrifugal Pump Triangles
  • Quiz #1: Velocity triangles
  • Performance Curves
  • Quiz #2: How much money did a maintenance mechanic save his plant?
  • Performance Modifications
  • Quiz #3: A Valve puzzle
  • Under-filing and Over-filing
  • Design Modeling Techniques
  • Specific Speed (Ns)

Day 2

Gear Pumps – Fundamentals

  • Quiz #4: Gear Pump Capacity
  • Cavitation in Gear Pumps
  • Trapping Methods
  • Lubrication
  • User Comments

Multiple Screw Pumps

  • Three Screw Pumps
  • Two Screw Pumps
  • User Comments

Day 3

Progressing Cavity (Single Screw) Pumps

  • Principle of Operation
  • Pump Performance Considerations
  • Power Requirements
  • Fluid Velocity and Shear Rate
  • Fluid Viscosity
  • Inlet Conditions
  • Guidance for Proper Selection and Installation
  • Progressing Cavity Pump Applications
  • Troubleshooting
  • User Comments

Day 4

Metering Pumps

  • Definition
  • Features
  • Where Are Metering Pumps Used?
  • Types of Metering Pumps
  • Components of Metering Pumps
  • Metering Pumps Selection
  • Control and Integration
  • Accessories
  • Typical Applications

Day 5

The Advantages of Rotary Pumps

Case History #1: Double Suction Centrifugal Pump, Suction Problem

  • Quiz #5: Are Ns and NSS dependent on speed?
  • Case History #2: Lube Oil Gear Pump, Noise and Wear Reduction
  • Quiz #6: Doubling the Gear pump life in 10 minutes?!
  • Case History #3: Progressing Cavity Pump Failures

TROUBLESHOOTING "POINTERS" AS GIVEN BY INTERVIEWED PUMP USERS AND PLANT PERSONNEL

APPLICATION CRITERIA AND SPECIFICATION PARAMETERS

Course Methodology

A variety of methodologies will be used during the course that includes:

  • (30%) Based on Case Studies
  • (30%) Techniques
  • (30%) Role Play
  • (10%) Concepts
  • Pre-test and Post-test
  • Variety of Learning Methods
  • Lectures
  • Case Studies and Self Questionaires
  • Group Work
  • Discussion
  • Presentation

Who should attend

This course is intended for engineers, supervisors, technician working in operation, inspection and maintenance of pumps.

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