WES

Boiler & steam generation system

Course Outline

Day - 1

1. Introduction

  • Fire tube boilers
  • Water tube boilers

2. Boiler basics and steaming process

  • Component of boiler
  • Mass and energy balance
  • Routing of combustion gas inside the boiler.

3. Heat transfer

  • Conduction
  • Convection
  • Radiation
  • Super heated steam
  • Latent heat
  • Sensible heat

4. Review of combustion Fundamentals

  • Excess air & flue gases relation
Day - 2

5. Burners

  • Selection of burners
  • Atomizing of burners
  • Oil burner
  • Gas burner
  • NOx burner
  • Reduction of NOx emission

6. Boiler operation

  • Burner shutdown when steam pressure c.o.p is reached
  • Boiler shutdown procedures
  • Short-term shutdown
  • Shutdown for cold Restart
  • Safety system fuel and air supply control system
  • Procedures for selection of burner control system
Day - 3

7. Basic instrumentation

  • Pressure measurement
  • Level measurement
  • Temperature measurement
  • Flow measurement

8. Boiler control application

  • Level drum control
  • One element control
  • Two element control
  • Three element control
  • Dearator control
  • Level control
  • Temperature control

9. Fuel/air Ratio control

  • Series limited control
  • Parallel limited control
  • Lead flag firing control
  • Oxygen trim control
Day - 4

10. Main header control

11. Water treatment

  • External water treatment process
  • ion exchange process
  • Dearation
  • Evaporation
  • Internal water treatment
  • lime soda process
  • phosphate treatment
  • feeding of chemical continuing treatment

12. Blowdown

  • Intermittent and continuous blowdown
  • Control of blowdown
  • Blowdown heat recovery
Day - 5

13. Efficient boiler operation

14. Efficiency calculation

15. Direct method

16. Indirect method

17. Heat transfer calculation

18. Boiler & combustion systems hazards codes

19. Boiler inspection

  • Destructive test
  • Non-destructive test

20. Prevention of boiler explosions / implosions NFPA8502

21. Troubleshooting

22. Steam Management

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