Boiler Control and Instrumentation
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Boiler Control and Instrumentation Course
Introduction:
Course Objectives:
Upon completion of this course, participants will have an understanding of the chemistry of boiler water treatment for scale, corrosion, and carryover control, with external and internal water treatment The participant will have a strong understanding of efficiency calculation, boiler inspection either destructive or non-destructive test. The principal will have also a strong understanding of all control loops of boiler operation.
Who Should Attend?
- Boiler Inspectors
- Steam Plant Operators
- Maintenance Engineers / Managers
- Operation Managers
- Safety Officers
- Boiler Design Engineer
Course Outlines:
Introduction
- Fire-tube boilers
- Water-tube boilers
Boiler basics and steaming process
- Component of boiler
- Mass and energy balance
- Routing of combustion gas inside the boiler.
Heat transfer
- Conduction
- Convection
- Radiation
- Superheated steam
- Latent heat
- Sensible heat
Review of combustion Fundamentals
- Excess air & flue gases relation
Burners
- Selection of burners
- Atomizing of burners
- Oil burner
- Gas burner
- NOX burner
- Reduction of NOX emission
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
Basic instrumentation
- Pressure measurement
- Level measurement
- Temperature measurement
- Flow measurement
Boiler control application
Level drum control
- One element control
- Two element control
- Three element control
Generator control
- Level control
- Temperature control
Fuel/air ratio control
- Series limited control
- Parallel limited control
- Lead flag firing control
- Oxygen trim control
- Main header control
- Water treatment
The external water treatment process
- Ion exchange process
- Duration
- Evaporation
Internal water treatment
- lime soda process
- phosphate treatment
- feeding of chemical continuing treatment
Blowdown
- intermittent and continuous blowdown
- control of blowdown
- blowdown heat recovery
Efficient boiler operation
- Efficiency calculation
- Direct method
- Indirect method
Heat transfer calculation
Boiler & combustion systems hazards codes
Boiler inspection