Steam Power And Co-Generation

The objective of this module is to present the major features of boiler operation. Start-up, shutdown, and on-load conditions are dealt with, including a discussion on potential hazards and boiler protection devices.

After completion of this module, the participant should be able to understand the following concepts and apply them in day-to-day work activities.

• Start-up procedure.
• Factors controlling pressure raising.
• Operation of drains and vents.
• Shutdown procedure.
• Standby condition.
• On-load operation.
• Steam pressure and temperature control.
• Efficient combustion control.
• Monitoring O2, CO and excess air.
• Effects of sulfur in fuel.
• Combating low temperature corrosion.
• Ash related problems, slagging.
• Sootblowers.
• High temperature vanadium corrosion.
• Typical monitoring points on the boiler.
• Operator’s interface.
• Boiler operating hazards.
• Protection equipment, alarms and trips.