TRAINING COURSES

MULTI-STAGE PUMP OVERHAULING

Start Date: 17 Sep 2017
End Date: 21 Sep 2017
Duration: 5
Fees:
Country: San Francisco / USA
Category: Engineering and Technical Programs
Details:

Course Description

 

Pumping systems account for nearly 20% of the worldís 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 pumpsóbarrel 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 sealís 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

 
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