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Course Category
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Course Schedule
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B309 - Heat Recovery Steam Generator O&M
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2 days - 1.3 Continuing Education Units Awarded
Proper operation of our Heat Recovery Steam Generator (HRSG) is critical to the safe and reliable operation of our combined cycle power plants. This course emphasizes the HRSG. It is essential for O & M personnel to maximize performance, minimize outage time, maximize reliability, and ensure safe operations. This course targets this overall objective of improved availability, reliability, and performance. To accomplish this we need to understand design considerations, we need to understand component functions and how they relate, we need to understand where the equipment may be at risk and how to minimize this risk, we need to implement reliable start-up procedures, we need to minimize the impact of operations upon the environment, and we need to accomplish these objectives in a safe manner. If these goals and the below objectives reflect your needs, then this course on Heat Recovery Steam Generator O & M is for you!
OBJECTIVES
At the completion of this course the participant will be able to:
- Describe the safety concerns when operating and maintaining an HRSG.
- Describe the difference between horizontal and vertical HRSGs and the benefits of each.
- Describe the flow through a Once Through Steam Generator (OTSG).
- Describe the tube arrangement in the various sections of the HRSG and the purposes of each.
- Describe the start-up scenarios and the stresses caused by each type of start-up.
- Describe the damaging events during starts and stops of the HRSG.
- Indentify and describe duct burner operation.
- Identify and describe attemperator systems.
- Explain failure mechanisms as they pertain to HRSGs including:
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- Thermal Fatigue
- Corrosion Fatigue
- Flow-accelerated Corrosion
- Under-deposit Corrosion
- Explain how the affects of these failure mechanisms can be minimized or eliminated.
- Describe the various types of emission control systems utilized on the HRSGs.
- Describe the water treatment and testing found on the HRSGs.
- Describe the various types of control systems found on the HRSGs.
COURSE OUTLINE
- Safety
- HRSG Design
- Steam System Operation
- Water Treatment
- Environmental Systems
- Maintenance
- Ductwork, Dampers, and Stacks
- Control Systems
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