Failures and leak inspection techniques of tube-to-tubesheet joints: A review
The integral components of heat exchangers and in particular the tubes, tubesheets and
tube-to-tubesheet joints have vital roles in the proper functioning of this equipment. Several …
tube-to-tubesheet joints have vital roles in the proper functioning of this equipment. Several …
Failure analysis of the wall tubes of a water-tube boiler
An industrial case history of the failure of the evaporator (water wall) tubes of a water-tube
boiler is presented in this study. After two years in service, a leak was detected in one of the …
boiler is presented in this study. After two years in service, a leak was detected in one of the …
Mathematical model of a power boiler operation under rapid thermal load changes
W Zima, S Grądziel, A Cebula, M Rerak… - Energy, 2023 - Elsevier
Due to the current need for coal-fired power units to cooperate with renewable energy
sources, they should be characterized by a high flexibility of operation. An in-house …
sources, they should be characterized by a high flexibility of operation. An in-house …
Failure analysis of primary waste heat boiler tube in ammonia plant
Abstract The primary Waste Heat Boiler (WHB) in an ammonia plant experienced cap
leaking and the outer tube rupture after ten months since the last repair and replacement …
leaking and the outer tube rupture after ten months since the last repair and replacement …
[PDF][PDF] Critical failure analysis of superheater tubes of coal-based boiler
GK Gupta, S Chattopadhyaya - Journal of Mechanical Engineering, 2017 - academia.edu
This paper highlights a methodology for failure investigation of superheater tubes made of
the material T-22 of a coal-based boiler. The process includes visual observation, the …
the material T-22 of a coal-based boiler. The process includes visual observation, the …
Corrosion behavior of carbon steel in dilute ammonia solution
This study explores the corrosion of carbon steel in ammonia solutions containing dissolved
oxygen and chloride, simulating boilers under wet layup conditions. An adsorption …
oxygen and chloride, simulating boilers under wet layup conditions. An adsorption …
Prediction of failures in steam boiler using quantification of residual stresses
M Pástor, P Lengvarský, F Trebuňa, P Čarák - Engineering Failure Analysis, 2020 - Elsevier
The paper presents an analysis of the causes of an accident that occurred in the steam
boiler during operation as a result of the failure of the control system and subsequent …
boiler during operation as a result of the failure of the control system and subsequent …
Failure analysis of bolt connections in fired heater of a petrochemical unit
The main function of a fired heater in a petrochemical site is to produce supersaturated
steam. Due to extremely difficult working conditions and high temperatures, there is a very …
steam. Due to extremely difficult working conditions and high temperatures, there is a very …
[HTML][HTML] Failure analysis on unexpected wall thinning of heat-exchange tubes in ammonia evaporators
SM Hu, SH Wang, ZG Yang - Case Studies in Engineering Failure Analysis, 2015 - Elsevier
A failure incident of heat-exchange tubes in ammonia evaporators, which suffered from
unexpected wall thinning after only one-year service with respect to their original design …
unexpected wall thinning after only one-year service with respect to their original design …
Failure analysis and retrofitting of superheater tubes in utility boiler
H Shokouhmand, B Ghadimi, R Espanani - Engineering Failure Analysis, 2015 - Elsevier
The extreme spray water mass flow rate deviation was observed to occur in the middle
temperature superheater of Sahand 2× 325 MW Power Plant utility boiler, which severely …
temperature superheater of Sahand 2× 325 MW Power Plant utility boiler, which severely …