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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430001
EISBN: 978-1-62708-253-2
... Abstract Boilers are engineered systems designed to convert the chemical energy in fuel into heat to generate hot water or steam. This chapter describes boiler applications and types, including firetube boilers, watertube boilers, electric boilers, packaged boilers, fluidized bed combustion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430027
EISBN: 978-1-62708-253-2
... of diffusion, nucleation, and growth. It also discusses alloying, heat treating, and defect formation and briefly covers condenser tube materials. alloying elements austenitic stainless steels boiler tubes condenser tubes continuous cooling transformation diagram creep-resistant steels ferritic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430087
EISBN: 978-1-62708-253-2
... Abstract Boilers are often classified based on the maximum operating temperature and pressure for which they are designed. Classifications, in ascending order, are subcritical, supercritical, ultra-supercritical, and to advanced ultra-supercritical. At each higher operating point comes greater...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430107
EISBN: 978-1-62708-253-2
... Abstract This chapter describes some of the most effective tools for investigating boiler tube failures, including scanning electron microscopy, optical emission spectroscopy, atomic absorption spectroscopy, x-ray fluorescence spectroscopy, x-ray diffraction, and x-ray photoelectron...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430379
EISBN: 978-1-62708-253-2
... Abstract Water chemistry is a factor in nearly all boiler tube failures. It contributes to the formation of scale, biofilms, and sludge, determines deposition rates, and drives the corrosion process. This chapter explains how water chemistry is managed in boilers and describes the effect...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430409
EISBN: 978-1-62708-253-2
... Abstract The power generating industry has become proficient at predicting how long a component will last under a given set of operating conditions. This chapter explains how such predictions are made in the case of boiler tubes. It identifies critical damage mechanisms, progressive failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490183
EISBN: 978-1-62708-340-9
...Materials used in boiler construction Table 5.1. Materials used in boiler construction Alloy Product form ASME or ASTM specification Grade Minimum tensile strength, ksi Minimum yield strength, ksi Composition (a) , % C Mn P S Si Ni Cr Mo Carbon steels Low...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.9781627082532
EISBN: 978-1-62708-253-2
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Published: 01 June 2016
Fig. 7.8 Weight gain vs. number of cycles plot for coated and bare boiler steel exposed to hot corrosion for 50 cycles in a Na 2 SO 4 -60%V 2 O 5 environment at 900 °C (1650 °F). Source: Ref 7.30 More
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Published: 30 November 2013
Fig. 7 Thin-lip rupture in a boiler tube caused by rapid overheating. This rupture exhibits a “cobra” appearance as a result of lateral bending under the reaction force imposed by escaping steam. The tube was a 2-½ in. outside diameter, 0.250 in. wall boiler tube made of 1.25Cr-0.5Mo steel More
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Published: 01 December 2018
Fig. 1.1 Schematic showing basic principle of a firetube boiler More
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Published: 01 December 2018
Fig. 1.2 Schematic showing basic principle of a watertube boiler More
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Published: 01 December 2018
Fig. 1.3 Schematic diagram of a fluidized bed combustion boiler More
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Published: 01 December 2018
Fig. 1.4 Schematic showing working principle of a boiler More
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Published: 01 December 2018
Fig. 1.7 Schematic showing principle of cogeneration using a steam boiler and steam turbine More
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Published: 01 December 2018
Fig. 2.4 Schematic view of a supercritical boiler plant More
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Published: 01 December 2018
Fig. 4.2 Creep strength of different materials used as boiler tubes and related applications More
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Published: 01 December 2018
Fig. 5.4 Oxide and sulfide inclusions in a boiler tube sample More
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Published: 01 December 2018
Fig. 6.1 (a) Thick-lip rupture in a boiler tube due to long-term overheating. (b) Thin-lip rupture in a boiler due to short-term overheating More
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Published: 01 December 2018
Fig. 6.2 Carbon steel boiler tube sample subjected to prolonged overheating below Ac 1 showing voids (black) along the grain boundaries and spheroidization of carbides, (a) optical micrograph, 200×; and (b) SEM image, 3500× More