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2023 | Buch

Boiler Tube Failure Mechanisms

Case Studies

verfasst von: Atanu Saha

Verlag: Springer Nature Singapore

Buchreihe : Springer Tracts in Mechanical Engineering

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SUCHEN

Über dieses Buch

This book presents failure mechanisms of different boiler components and preventive measures. It illustrates the basic steam flow and circuit design of steam boiler, boiler design parameters, boiler components materials and their behavior at different temperatures. The book aims to identify the cause(s) of in-service failure of secondary superheater tube, platen superheater tube and furnace water wall tube and also presents the solutions to avoid the future failures. This volume will be of interest to researchers and professionals working in the areas of energy, power generation, electric power plants, thermodynamics, industrial chemistry, etc.

Inhaltsverzeichnis

Frontmatter

Overview of Failure Mechanisms

Frontmatter
Chapter 1. Introduction
Abstract
The function of a boiler is to convert water into superheated steam which is ultimately delivered into a steam turbine. The schematic illustration of a boiler is shown in Fig 1.1.
Atanu Saha
Chapter 2. Failure/Damage Mechanism of Boiler Tube
Abstract
Much of work has been carried out and still going on regarding boiler tube failure mechanisms by renowned organizations and individuals. Some of the organizations who are in the field are Electric Power Research Institute (EPRI, USA), Central Electricty Generating Board (CEGB, UK), ASME Boiler and Pressure Vessels, USA, Combustion Engineering, USA, etc.
Atanu Saha

Case Studies

Frontmatter
Chapter 3. Case 1A: Short-Term Overheating
Abstract
Power plant authority had experienced a failure of a secondary superheater tube by the way of wide open burst over a localized area and referred the problem to probe into the metallurgical cause/causes of such failure through systematic diagnostic approach.
Atanu Saha
Chapter 4. Case IB: Short-Term Overheating
Abstract
Power plant authority had experienced a failure of a water wall tube by the way of wide open burst rupture over a localized area and referred the problem to probe into the metallurgical cause/causes of such failure through systematic diagnostic approach.
Atanu Saha
Chapter 5. Case IIA: High-Temperature Creep
Abstract
Power plant authority had experienced a failure of a platen superheater tube by the way of wide open burst over a localized area and referred the problem to probe into the metallurgical cause/causes of such failure through systematic diagnostic approach.
Atanu Saha
Chapter 6. Case Study IIB: High-Temperature Creep
Abstract
Power plant authority had experienced a failure of a bend of secondary superheater pendent tube by the way of through-thickness longitudinal fracture and referred the problem to probe into the metallurgical cause/causes of such failure through systematic diagnostic approach.
Atanu Saha
Chapter 7. Case Study III: High-Temperature Failure
Abstract
Power plant authority had experienced a failure of a low-temperature superheater (LTSH) hanger tube by the way of wide-open ductile-type burst (fish mouth type), and the burst was on the centerline of the tube at the highest heat input zone.
Atanu Saha
Chapter 8. Case Study IV: Erosion Failure
Abstract
Power plant authority had experienced failure of two wall re-heater tubes by the way of thin-lip rupture/pin hole puncture on the flue gas side of the tubes and referred the problem to probe into the metallurgical cause/causes of failure through systematic diagnostic approach.
Atanu Saha
Chapter 9. Case Study VA: Dissimilar Metal Weld
Abstract
Power plant authority had experienced a failure of a secondary superheater element being attachment welded of tubes by the way of puncture over a localized area and referred the problem to probe into the metallurgical cause/causes of such failure through systematic diagnostic approach.
Atanu Saha
Chapter 10. Case Study VB: Dissimilar Metal Weld
Abstract
Power plant authority had experienced a failure of a secondary superheater tube welded between low alloyed ferritic steel and austenitic stainless steel by the way of circumferential continuous crack in heat-affected zone, very close to fusion boundary in stainless steel side.
Atanu Saha
Chapter 11. Case Study VIA: Hydrogen Damage
Abstract
Power plant authority had experienced a failure of a furnace wall tube by the way of wide-open burst over a localized area and referred the problem to probe into the metallurgical cause/causes of such failure through systematic diagnostic approach.
Atanu Saha
Chapter 12. Case Study VIB: Hydrogen Damage
Abstract
Power plant authority had experienced a failure of a water wall corner panel tube by the way of longitudinal cracking (fracture) on the OD surface of the tube over a localized area and referred the problem to probe into the metallurgical cause/causes of such failure through systematic diagnostic approach.
Atanu Saha
Chapter 13. Case Study VIIA: Fireside Corrosion
Abstract
Power plant authority had experienced a failure of a front water wall tube by the way of through-thickness narrow longitudinal fracture on the tube and referred the problem to probe into the metallurgical cause/causes of such failure through systematic diagnostic approach.
Atanu Saha
Chapter 14. Case Study VIIB: Fireside Corrosion
Abstract
Power plant authority had experienced a failure of a pendent re-heater tube by the way of open rupture along with deep material dislodged at the bend portion of tube and referred the problem to probe into the metallurgical cause/causes of such failure through systematic diagnostic approach.
Atanu Saha
Chapter 15. Case Study VIII: Failure Due to Manufacturing Defect
Abstract
Power plant authority had experienced a failure of a water wall bend tube by the way of through-thickness longitudinal cracking at the extrados portion of the tube and referred the problem to probe into the metallurgical cause/causes of failure through systematic diagnostic approach.
Atanu Saha
Chapter 16. Case Study IX: Corrosion Fatigue
Abstract
Power plant authority had experienced a failure of a economizer tube by the way of typical crack at two locations opposite to each other of the tube and referred the problem to probe into the metallurgical cause/causes of failure through systematic diagnostic approach.
Atanu Saha
Metadaten
Titel
Boiler Tube Failure Mechanisms
verfasst von
Atanu Saha
Copyright-Jahr
2023
Verlag
Springer Nature Singapore
Electronic ISBN
978-981-9931-30-9
Print ISBN
978-981-9931-29-3
DOI
https://doi.org/10.1007/978-981-99-3130-9

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