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steam generator tubes

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430204
EISBN: 978-1-62708-253-2
... of Steam Power Boilers , Allied Publishers Pvt. Ltd. , New Delhi , 2008 , p 233 6.25 Babcock & Wilcox Power Generation Group , “ Boiler Tube Analysis: Reduce Future Boiler Tube Failures ,” last modified Dec 2014 , www.steamforum.com/pictures/e1013153.pdf 6.26 Carter D.A...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430107
EISBN: 978-1-62708-253-2
.... , Analysis of XPS Spectra of Fe2+ and Fe3+ Ions in Oxide Materials , Applied Surface Science , Vol 254 ( 8 ), 2008 , p 2441 – 2449 5.25 “ Standard Test Methods for Accumulated Deposition in a Steam Generator Tube ,” ASTM D-3483-83, Annual Book of ASTM Standards , ASTM , 2005 5.26...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090135
EISBN: 978-1-62708-266-2
... of small concentrations of oxidizing impurities. The Ni-Fe-Cr alloys, such as alloys 600 (UNS N06600) and 800 (N08800), are used widely in the power generation industry as steam generator tubing. The Ni-Fe-Cr-Mo alloys, such as alloy 825 (N08825) and alloy 2550 (N06255), are used in a variety of industries...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430087
EISBN: 978-1-62708-253-2
... be broadly classified into two categories, thick-walled sections and thin-walled sections. Thick-walled sections generally include headers or steam pipes, while thin-walled sections are grouped as furnace-wall or waterwall tubes, superheater (SH) or reheater (RH) tubes, and economizer tubes ( Ref 4.1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430379
EISBN: 978-1-62708-253-2
... of the dirtiness of boiler steam generating tubes. The hideout problem occurs more in the case of boilers that are subjected to repeated start-ups and shutdowns as well as frequent variation in load and in cycling units. This in turn causes wide fluctuations in boiler water chemistry. Phosphate hideout is thus...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.9781627082532
EISBN: 978-1-62708-253-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430001
EISBN: 978-1-62708-253-2
... in the combustion chamber. The combustion takes place at 1300 to 1700 °C (2370 to 3090 °F) and the heat generated is transferred to the feedwater that flows through the waterwall tubes that form the walls of the furnace. The feedwater consists of condensate or condensed steam returned from the processes and make-up...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430017
EISBN: 978-1-62708-253-2
... such that the steam is first generated in a boiler, expanded in the prime mover, condensed in the condenser, and fed into the boiler again. Figure 2.1 gives a typical layout of a coal-based thermal power plant. Such a plant works on the principle of conversion of chemical energy of the coal into electrical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080335
EISBN: 978-1-62708-304-1
... on the operating pressure of the boiler along with other factors, are generally in the range of 260 to 315 °C (500 to 600 °F). The superheater tube metal temperatures are generally in the range of 370 to 540 °C (700 to 1000 °F), depending on the steam temperature, along with other factors. A brief review...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490183
EISBN: 978-1-62708-340-9
... Ref 56 ) between oxide growth and exposure time for 2¼Cr-1Mo steel in steam at various temperatures ( Ref 52 ). Fig. 5.31. Estimates of mean operating temperature made by various correlations for 2¼Cr-1Mo steel tubes having inside-surface oxides with thicknesses of 300, 600, and 1200 μm...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490383
EISBN: 978-1-62708-340-9
... Conference on Improved Coal-Fired Power Plants , Electric Power Research Institute , Palo Alto, CA , Nov 1-4, 1988 General Requirements Boiler Materials Steam-Turbine Materials Superheater Tubing Headers and Steam Pipes Materials Selection for Boilers HP Rotors Blades for HP/IP...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080259
EISBN: 978-1-62708-304-1
...-Fe), alloy HR3C (25Cr-20Ni-0.5Nb-0.25N-Fe), alloy CR30A (30Cr-48Ni-2Mo-0.25Al-0.25Ti-Fe), and chromized T22 (T22Cr). The data were generated from plant exposure tests at TVA’s Gallatin Station Unit No. 2 boiler. Source: Ref 79 Fig. 10.86 Tube cross-section wastage profile for alloy Save...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430314
EISBN: 978-1-62708-253-2
... Fig. 6.126 Erosion and longitudinal rupture of boiler tube due to misaligned soot blower Fig. 6.127 (a) Eroded surface of a screen tube near bend. (b) SEM image of area eroded due to furnace gases containing fly ash, 100× Fig. 6.131 Superheater tube cut by steam leaking...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430325
EISBN: 978-1-62708-253-2
... Recovery Steam Generator Unit Background Details Investigation and Findings Conclusions Background Details Investigation and Findings Conclusions Background Details Investigation and Findings Conclusions The final superheater tube of a 620 MW boiler failed after 4 years...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820077
EISBN: 978-1-62708-339-3
... of type 410 martensitic stainless steel Fig. 11 Heat-recovery steam generator Fig. 12 Feedwater economizer, finned tube harp assembly Fig. 13 The iron-chromium (Fe-Cr) alloy phase diagram. Fig. 3 Grain boundary martensite formation in a type 430 ferritic stainless...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.9781627083409
EISBN: 978-1-62708-340-9
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080437
EISBN: 978-1-62708-304-1
.... Stultz S.C. and Kitto J.B. , Ed., Steam and Its Generation and Use , 40th ed. , Babcock & Wilcox , 1992 , p 42 - 22 5. Sorell G. and Humphries M.J. , High Temperature Hydrogen Damage in Petroleum Refinery Equipment , Mater. Perform. , Vol 17 ( No. 8 ), 1978 , p...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490001
EISBN: 978-1-62708-340-9
... of the principle of the turbine-generator combination ( Ref 3 ). The fossil fuel employed in a steam turbine plant can be pulverized coal (PC), oil, or natural gas. Of these, coal is the most abundant and hence the most commonly used fuel for steam turbine plants, while gas turbine plants generally employ...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430376
EISBN: 978-1-62708-253-2
... and Prevention , Vol 11 , ASM Handbook, ASM International , 2002 10.31399/asm.hb.v11.a0003569 6.24 Kumar R. , Operation and Maintenance of Steam Power Boilers , Allied Publishers Pvt. Ltd. , New Delhi , 2008 , p 233 6.25 Babcock & Wilcox Power Generation Group , “ Boiler Tube...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430149
EISBN: 978-1-62708-253-2
... . The waterwalls, superheater, and reheater tubes carrying water or steam in a boiler are all susceptible to overheating failure ( Ref 6.1 , 6.5 ). Fracture due to overheating generally takes place along the longitudinal axis of the tube, but at times it can be accompanied by fracture in the circumferential...