mobile NEW Pump Basics CourseⅡ(Operation and Maintenance) English

Summary of course Summary of course

To master knowledge about problems in pump operation and maintenance, and countermeasures against them.

Target Plant operators and engineers
Expected learning time 4hours
Shortest execution time 83minutes

Aim and feature of courseAim and feature of course

★Mastery of methods of mechanical seal management related to pump operation and maintenance, and management methods related to temperature, flowrate, corrosion, fouling, and lubrication.
★Combining animated computer graphics, narration, and real video imagery, the explanations are given a sense of presence and realism.
★With interactive content interspersed in various places, students can progress through the materials at their own pace.

Curriculum Curriculum

Subject・Main items Main items
Before You Start Studying
Chapter 1 Mechanical Seal Management (1)
  • 101 Mechanical Seal Structure
  • 102 Sealing Mechanism and Flushing
  • 103 Problems Caused by Contaminants in the Flushing Fluid
  • 104 Strainers and Cyclone Separators
  • 105 Slurry and High Viscosity Countermeasures
Chapter 2 Mechanical Seal Management (2)
  • 201 Countermeasures against Heat in Mechanical Seals
  • 202 Precautions with Metal Bellows Seals
  • 203 Problems on the Atmosphere Side of Mechanical Seals
  • 204 Safety Seals
  • 205 Daily Inspections
Chapter 3 Problems Due to Temperature Control
  • 301 Pump Theory
  • 302 Flow of Liquid in the Impeller
  • 303 Energy Imparted by the Impeller
  • 304 Euler’s Equations
  • 305 Theoretical Head and the Impeller (1)
  • 306 Theoretical Head and the Impeller (2)
  • 301 Pump Warm-Up
  • 302 Countermeasures against
  •       Vaporization if Operating Pressure
  •        Is Close to Saturated Vapor
  •        Pressure of Handling Liquid
  • 303 Low Temperature Pumps
Chapter 4 Problems Involving Low Flowrate
  • 401 Vibration Due to Low Flowrate Operation
  • 402 Fluid Collisions
  • 403 Incipient Cavitation
  • 404 Vortices near the Impeller Eye
  • 405 Temperature Rise Due to Low Flowrate Operation
  • 406 Ways to Improve Low Flowrate Operation
Chapter 5 Effects of Corrosion, Fouling, and Lubrication
  • 501 Performance Degradation
  • 502 Corrosion and Unbalances
  • 503 Lubrication Problems