The boiler components and their purpose. Standard symbols are used in boiler control and identifying the engineering and control of boilers using the symbols and a method of presenting the engineering. The course includes defining the control and ratio control fundamentals feed-forward control, feedforward plus feedback control, cascade control, and ratio control and how they are implemented in boiler control.
Also reviewed are control concepts proportional controls, proportional plus reset control, and proportional plus reset, plus derivative controlling what they are and how they are used. Flame detection methods are covered including the advantages of each method.
Systems for the safe start-up, monitoring, and shut-down of multiple burner boiler furnaces are covered in detail. Causes of furnace explosions and ways of avoiding them are discussed. The relationship of burner management systems and boiler control systems is explained. An understanding of boilers and boiler control is assumed.
Understand the benefits of improved boiler process control and savings as a result of improved efficiency
Develop proper control systems documentation
Apply principles and methods for flow and level measurements to improved boiler operations
Specify appropriate strategies for flow, level and pressure control
Tuning of boiler control systems
Implement analyzer measurements for improving boiler efficiency
Analyze basic control loops required for boiler operation
Apply control concepts such as cascade, ratio and feedforward control for boiler control
Specify appropriate safety system interlocks
Evaluate process requirements for writing instrumentation specifications
Understand the primary cause of furnace explosions
Use design basis documentation and flow sheets
Identify equipment needs for gas, oil, and pulverized coal systems
Understand pre-firing purge requirements for both single and multiple burner boilers
Follow the ignition-permissive establishment procedures for single and multiple burner systems
Implement flame failure protection for specific systems
Design alarms, interlocks, and emergency shutdown systems
Understand the function and use of the burner front, operator interfaces, and logic systems
Technicians and Engineers in charge of Boiler Operation
Technical Personnel dealing with Boilers Maintenance
Boiler Inspectors and Contractors
Technical Personnel in charge of Steam Generation and Distribution Systems
Combustion of Fuels
Fuel Gas Analysis
Steam Supply and Firing Rate Demand
Boiler Draft Systems
Combustion Control
Emerging Technologies
Causes of Furnace Explosions
BMS Interlock and Alarm Systems
System Design Trip Philosophy
Programmable Electronic Systems
Develop P&IDs for the boiler and gas, oil, and pulverized coal
Use personal computer software to simulate boiler start-up and shutdown, and boiler control including drum level and cross -limiting fuel control
Tune a boiler control system for maximum efficiency and learn the effects of boiler tuning
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