Course Description

 

Pumping systems account for nearly 20% of the world’s electrical energy demand and range from 25-50% of the energy usage in certain industrial plant operations

There are lots of pump types available, but which one is right for you? Understanding which pump type is right for your application is critical to reduce costs and increase the life of your pump and system

Centrifugal pump  single or multistage is the Best pump choice for lower viscosity liquids and high flow rates. No pulsations that may be found in some positive displacement pumps.

Multi-stage centrifugal pumps are now primarily used in this severe service. Two typical styles of multi-stage centrifugal pumps—barrel and horizontally split pumps are offered by different manufacturers.

Course Objective

 

Basic Concepts

·         Identify and describe the components of a typical multistage centrifugal pump.

·         Describe the operation of a typical multistage centrifugal pump.

·         Describe sealing techniques that are commonly used to prevent leaks  in a multistage centrifugal pump.

·         Describe techniques bearing & loads radial / thrust in a multistage centrifugal pump.

·         Identify problems commonly found in multistage centrifugal pumps.

·         Cost analysis for pump life time

·         Pump performance and hydraulic balancing

 

Who Should attend?

 

This seminar is directed towards Supervisors, Team Leaders and Managers in mechanical, mechanical technicians and Engineering

Course Outline

 

Pump construction

·         The centrifugal pump

·         Pump curves

·         Characteristics of the centrifugal pump

·         Most common end-suction and

·         in-line pump types

·         Impeller types (axial forces)

·         Casing types (radial forces)

·         Single-stage pump

·         Multistage pumps

·         Long-coupled and close-coupled pumps

 

Types of pump

·         Standard pumps

·         Split-case pump

·         Barrel and horizontally split

·         Hermetically sealed pumps

·         Sanitary pumps

·         Wastewater pumps

·         Immersible pumps

·         Positive displacement pumps

Mechanical shaft seals

·         The mechanical shaft seal’s components and function

·         Balanced and unbalanced shaft seals

·         Types of mechanical shaft seals

·         Seal face material combinations

·         Factors affecting the seal performance

·         troubleshooting

 

Pump Bearing

·         types and functions

·         radial and thrust load

·         troubleshooting

Pump installation

·         New installation

·         Existing installation-replacement

·         Pipe flow for single-pump installation

·         Limitation of noise and vibrations

·         Sound level (L)

System hydraulic

·         System characteristics

            Single resistances

            Closed and open systems

·         Pumps connected in series and paralle

            Pumps in parallel

            Pumps connected in series

·         pump hydraulic balancing

            balancing device

            back to back impeller

Performance adjustment of pumps

·         Adjusting pump performance

·         Throttle control

·         Bypass control

·         Modifying impeller diameter

·         Speed control

·         Comparison of adjustment methods

·         Overall efficiency of the pump system

·         Example: Relative power consumption when the flow is reduced by 20%

·         Frequency converter

            Basic function and characteristics

            Components of the frequency converter

            Special conditions regarding frequency

            converters

 

Liquids

·         Viscous liquids

·         Non-Newtonian liquids

·         The impact of viscous liquids on the

·          performance of a centrifugal pump

·         Selecting the right pump for a liquid

·         with antifreeze

·         Calculation example

·         Computer-aided pump selection for dense and

·         viscous liquids

Materials

·         What is corrosion?

·         Types of corrosion

·         Metal and metal alloys

·         Ceramics

·         Plastics

·         Rubber

·         Coatings

 

Life cycle costs calculation

·         Initial costs, purchase price

·         Installation and commissioning costs

·         Energy costs

·         Operating costs

·         Environmental costs

·         Maintenance and repair costs

·         Downtime costs, loss of production

·         Decommissioning and disposal costs

Operation and maintenance

·         Pump inspection

·         Pump troubleshooting

·         Pump repair