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coal-fired boilers

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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
... Fig. 10.26 Chronology of the total area of the weld overlay applied to the waterwalls of coal-fired boilers (both subcritical and critical units) from early 1990s to 2001 as a function of the year of application for three major overlay alloys—Type 309, alloy 625, and alloy 622—by a weld overlay...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080379
EISBN: 978-1-62708-304-1
... on a T-11 (1.25Cr-0.5Mo) tube in a supercritical coal-fired boiler. Courtesy of Welding Services Inc. Fig. 14.19 Preferential sulfidation penetration formed in waterwall steel tubes Fig. 14.20 Scanning electron (backscattered electron) image showing a circumferential groove formed...
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
... temperatures, hydrogen atoms can be absorbed at the surface and then diffuse into the metal. Hydrogen atoms in the metal then react with iron carbide forming methane gas which can accumulate at grain boundaries and other interfaces. The chapter describes two applications, one in coal-fired boilers, the other...
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
... (LTRH) tube of a middle bank coil of a coal-fired boiler failed by way of a longitudinal opening after 10 months of service. The MOC of the tube was SA 213 Grade T12 steel. The tube dimensions were 63.5 mm (2.5 in.) OD and 4.0 mm (0.16 in.) thickness. The coal in the as-received condition contained...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080001
EISBN: 978-1-62708-304-1
... and refinery equipment. Finally, extensive discussion on the materials problems in coal-fired boilers, oil-fired boilers, waste-to-energy boilers, and black liquor recovery boilers is included. In summary, the subjects covered extensively in this book include: Oxidation Nitridation Carburization...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080235
EISBN: 978-1-62708-304-1
... (1475 to 2050 °F) and gas velocities greater than 200 m/s (656 ft/s). In coal-fired boilers, it is well known that fly-ash erosion can be a serious problem for boiler tubes. When coal (which contains ash) is combusted in the lower furnace of the boiler, some of the ash drops out of the furnace from...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430001
EISBN: 978-1-62708-253-2
... Boilers 1.3.4 Packaged Boilers 1.3.5 Fluidized Bed Combustion Boilers 1.3.6 Oil- and Gas-Fired Boilers 1.3.7 Waste Heat Boilers 1.3.8 Black Liquor Recovery Boilers The fuels used in large utility or power plant boilers include fossil fuels (coal, oil, and natural gas), nuclear fuels...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430290
EISBN: 978-1-62708-253-2
... than the dew point. In thermal power plants, the economizer section and air preheater are the areas where such condensation occurs because the metal surface temperature in these areas is lower than the dew point of sulfuric acid. Additionally, for coal-fired boilers, condensation of sulfuric acid...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430149
EISBN: 978-1-62708-253-2
...—Failure Investigation of a Low Temperature Superheater Tube Case Study 7—Failure Investigation of Reheater Outlet Tube Case Study 8—Failure Investigation of Primary Superheater Tube of Coal-fired Boiler Case Study 9—Failure of Final Superheater Tube in a Thermal Power Plant Case Study 10...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430147
EISBN: 978-1-62708-253-2
...Abstract Abstract This chapter provides an outline of the failure modes and mechanisms associated with most boiler tube failures in coal-fired power plants. Primary categories include stress rupture failures, water-side corrosion, fire-side corrosion, fire-side erosion, fatigue, operation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080003
EISBN: 978-1-62708-304-1
... a corrosion-resistant weld overlay instead of replacing it with a new construction. This approach has been adopted in the boiler industry in recent years to address the severe corrosion problems with the waterwalls of boilers in waste-to-energy boilers, coal-fired boilers, basic oxygen furnace hoods in steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.9781627083041
EISBN: 978-1-62708-304-1
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080201
EISBN: 978-1-62708-304-1
... feedstock ( Ref 1 ), petrochemical processing ( Ref 2 ), fossil-fired boilers ( Ref 2 ), petroleum refining ( Ref 3 ), coal gasification ( Ref 4 , 5 ), waste incineration ( Ref 6 , 7 ), fluidized-bed coal combustion ( Ref 8 – 10 ), and oil-fired boilers. This chapter reviews corrosion data involving...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080321
EISBN: 978-1-62708-304-1
... corrosive conditions such as under the oil-ash deposits and higher tube metal temperatures. The development of circumferential grooving/cracking on the waterwall tubes in coal-fired boilers is discussed in Chapter 10 “Coal-Fired Boilers.” The example that is given below shows the circumferential grooving...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490183
EISBN: 978-1-62708-340-9
... Coal Fired Boilers, ” R & D Report 41, U.S. Office of Coal Research, Apr 1969 9. The Control of High Temperature Fireside Corrosion , 2nd Ed. , Central Electricity Generating Board , UK , 1977 10. Mayer P. and Monolescu A.V. , Influence of Hydrogen Chloride...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490383
EISBN: 978-1-62708-340-9
... with advanced steam plants and their respective solutions. The discussion covers the selection of materials on a component-specific basis for boilers as well as steam turbines. References References 1. Armor A.F. , Worldwide View of Improved Coal-Fired Power Plants, in Proceedings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430087
EISBN: 978-1-62708-253-2
..., and Advanced Ultra-Supercritical Boilers 4.4 Materials for Condenser Tubes References References 4.1 Viswanathan V. , Purgert R. , and Rawls P. , Coal-Fired Power Materials , Adv. Mater. Processes , Vol 166 ( No. 8 ), August 2008 , p 47 – 49 4.2 Davis J.R...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430017
EISBN: 978-1-62708-253-2
... the economizer is finally sent to the boiler drum, whereas the heat carried out with the flue gases, coming out of the economizer, is further utilized for preheating the air before supplying it to the combustion chamber. The efficiency of conventional fossil fuel or coal-fired power plants is mainly governed...
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 1989
DOI: 10.31399/asm.tb.dmlahtc.9781627083409
EISBN: 978-1-62708-340-9