Practical Pumps - Design, Operation and Maintenance for Centrifugal and Positive Displacement Pumps

THE WORKSHOP

This is a comprehensive, highly practical and interactive workshop. You will have an opportunity to discuss pump construction, design applications, operations and maintenance issues and be provided with the most up-to-date information and best practice in dealing with the subject. You will develop the skills and ability to recognise and solve pump problems in a structured and confident manner.

WHAT IS INCLUDED?

  • Receive a certificate of attendance in support of your continuing professional commitment
  • All workshops include the associated hardcopy technical manual
  • Printed workshop handouts
  • Lunch and refreshments
  • Interact and network with workshop attendees and experienced instructors
  • Practical, industry driven content to assist you in your continuing professional development (CPD)
  • Attendees automatically become IDC subscribers and receive exclusive deals and technical content every month

WHO SHOULD ATTEND?

  • Consulting engineers
  • Maintenance engineers and technicians
  • Plant engineers, managers and supervisors
  • Plant operations and maintenance personnel
  • Process control engineers and supervisors
  • Pump sales and applications personnel
  • Pump service contractors
  • Pump users

CONTENT SUMMARY

INTRODUCTION

  • Terminology
  • Pump definition and types
  • Pump materials and components
  • What constitutes a good centrifugal pump?
  • Overview of statutory requirements

INTRODUCTION TO MECHANICAL SEALS

  • Single and dual seal types
  • Design considerations to address specific applications
  • Troubleshooting failed mechanical seals

PUMPABLE FLUID CHARACTERISTICS

  • Impact of:
    • Head
    • Density
    • Viscosity
    • Temperature
    • Corrosiveness
    • Erosion

THE PUMP AFFINITY LAWS

  • The interaction between:
  • Head
  • Flow
  • Power draw
  • Implications of performance changes
  • System resistance

HYDRAULIC FORCES

  • Axial forces
  • Radial forces
  • Effect of forces on component life

A TYPICAL PUMP CIRCUIT

  • Effects on pumping
  • Head
  • Velocity
  • Resistance
  • Forces
  • Expansion, contraction and vibration
  • Environment

TYPES OF PUMPS AND MATERIAL SELECTION

  • Design considerations to address specific applications
  • Material selection based on process fluid specifications: hazardous, density, viscosity, temperature, corrosiveness, erosion

PUMP DRIVES

  • Pump drives:
    • Close coupled
    • Direct driven
    • Belt driven
    • Variable speed drives
    • Canned
    • Couplings
    • Alignment
    • Power sources

CONTROLS/SELECTION AND INSTALLATION

  • Pump controls and instruments: safety and volume controls
  • Pump selection:
    • Performance data
    • System flow resistance
    • Stability
  • Pump installation issues:
    • Foundations and bases
    • Pipe connections
    • Vibration and force isolation
    • Environmental protection

COMMISSIONING AND PERFORMANCE MEASUREMENT

  • Testing and commissioning
  • Condition monitoring
  • Optimising performance:
    • Inspection
    • Performance measurements

PRACTICAL EXERCISES:

  • Review of  centrifugal pumps construction
  • Pump system calculations, including suction and discharge pressure drop, NPSH calculation to avoid cavitation
  • Pump selection (given above calculations), identifying an optimum selection
  • Affinity laws (effects of changing pump speed and impeller diameter)
  • Review pump test results
  • Various troubleshooting/problem solving tasks for various fault scenarios

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