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HRSG RECOVERY BOILERS

 The recovery steam generator or HRSG (Heat Recovery Steam Generator) is one of the most challenging equipment in a combined cycle plant. Although it is a simple device, it requires a basic knowledge for proper operation and good maintenance.

Next edition: City: Madrid Date: September 26 - September 27, 2011 Location: Hotel ABBA Madrid, Av América 32 - Madrid Course fee: 495 € + 18% VAT Courses in company: This course can be done anytime at the customer premises. Check prices and conditions by calling 91 126 37 66 or sending an email to info@renovetec.com Distance learning course: This course can be done any time from a distance. Check prices and conditions by calling 91 126 37 66 or sending an email to info@renovetec.com Special condition for unemployed people and recent graduates

COURSE DETAILS

Type of Course: On site classes, based on a presentation developed with the help of programs like
Power Point. Also available on classroom distance training and distance training.

Duration: Between 16 and 24  hours

Course Level:  Medium. It is not a basic or introductory course, although previous knowledge it is not required. It is advisable that the participants have a university technical degree (engineer for example), but it is notindispensable.

Material: Colour Book 17 x 24 Paperback. Numerous videos and high quality graphic material. 

Practices:  Are not performed, except incompany courses that have HRSG recovery boilers

Course Director:  Santiago García Garrido, Bachelor in Chemistry and Technical Director RENOVETEC. Author of numerous books on industrial maintenance and electrical generation.

COURSE CONTENT

• General operation of a Combined Cycle Power Plant
• Recovery boiler function
• General scheme of a HRSG boiler
• General scheme of the Water Steam cycle in a Combined Cycle Power Plant

• Main physical variables
• Concepts related to the steam
• Rankine cycle
• Rankine cycle with reheat

• Water-tube boilers and pirotubulars boiler
• Combustion boilers and recovery boilers
• Vertical boilers and horizontal boilers

• Main elements
• Smooth tube bundles and Grooved tube bundles
• Economizer
• Evaporator
• Superheater
• Reheater
• Post-combustion: Burners
• Structural elements
• Casing
• Support
• Insulation
• Auxiliary elements
• Feed-Water pumps
• Safety valves
• Water treatment plant (WTP)
• Reagent dosage
• Sampling system

• Hydraulic test
• Chemical cleaning
• Formation of a magnetite layer
• Pipe blow-out
• Impact control

• Cold starts
• Warm starts
• Hot starts
• Short-term stops
• Long-term stops
• Monitoring parameters
• Alarms
• Mass balance and energy balance

• Daily maintenance
• Minor stops
• Great revision

• Tube bundle puncture
• Casing deformations
• Instrumentation failures
• Valves failures
• Pumps failures

• Visual inspection as a predictive technique
• Monitoring parameters
• Metallographic replicas in tubes
• Thermography
• Boroscope inspections on reboilers

• Control of dissolved oxygen and CO2
• pH Control
• Conductivity control
• Silica ion control
• Na+ control
• Reagent dosage