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fire-side erosion

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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
... Abstract Combustion byproducts such as soot, ash, and abrasive particulates can inflict significant damage to boiler tubes through the cumulative effect of erosion. This chapter examines the types of erosion that occur on the fire side of boiler components and the associated causes...
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 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 failures...
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
..., opposed-fired) at Gibson Generating Station were retrofitted with low NO x burners and overfire air. Prior to the installation of low NO x burners, tube wastage problem was only limited to a small area on the side walls at locations where H 2 S concentrations were measured to be as high as 1000 ppm...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430376
EISBN: 978-1-62708-253-2
... Raja V.S. and Shoji T. , Eds., Stress Corrosion Cracking—Theory and Practice , Woodhead Publishing , 2011 6.28 Colannino J. , Prevent Boiler Tube Failures Part 1: Fire Side Mechanisms , Chemical Engineering Progress , Oct 1993 , p 33 – 36 6.29 Gale G.E...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270168
EISBN: 978-1-62708-301-0
... Abstract During cyclic spin tests, the turbine disc in an aircraft engine broke apart with a loud noise, followed by a fire. Based on a detailed examination and the results of SEM fractography and hardness measurements, failure analysts concluded that a locking plate became dislodged due...
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
... corrosion stress corrosion cracking waterwall corrosion The structural integrity of boiler tubes is governed by a protective magnetite (oxide) layer, and any damage to this layer due to conditions leading to corrosion or erosion ultimately results in tube failure. The principal types of fire-side...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430204
EISBN: 978-1-62708-253-2
... corrosion, caustic gouging, and pitting External corrosion or fire-side corrosion: For example, waterwall fireside corrosion, superheater/reheater fireside corrosion, and acid dew point corrosion The process of oxidation of iron is known as rusting or corrosion . The interaction of steam...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430001
EISBN: 978-1-62708-253-2
.... The heat transfer surfaces are therefore required to be periodically cleaned using air, steam, water, or mixtures thereof. On account of the very nature of this fuel, BLRBs suffer from various forms of fire-side corrosion, erosion-corrosion, and erosion related problems. The fact remains that black liquor...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430409
EISBN: 978-1-62708-253-2
...) scale and does not consider the effect of fire-side deposition (if any) on the tube wall temperature. Any deposits on the fire side will introduce errors in estimated temperature by this method and in turn in the estimated life of the tube. 8.5.4 Metallographic Analysis Method Creep...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430149
EISBN: 978-1-62708-253-2
... burner adjustment; steam blanketing in horizontal or inclined tubes; and undesired channeling of fire-side gases. Superheater and reheater tubes generally fail after many years of service as a result of creep. Waterwall tubes also can fail from long-term overheating. Apart from a change...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300271
EISBN: 978-1-62708-323-2
...) of ceramics: inorganic and fired . Bricks are made from clays, and they do not have to be fired—they can be sun dried, as has been done by many cultures. Therefore, bricks do not really belong in ceramics. Concrete is made from cement and aggregate; it is a composite—stones and sand held by a cement matrix...
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.t60490383
EISBN: 978-1-62708-340-9
.... Relationship between hot-corrosion weight loss and temperature for ferritic steels ( Ref 41 ). Fig. 8.8. Relationship between hot-corrosion weight loss and chromium content for various alloys ( Ref 42 ). Fig. 8.9. Comparison of fire-side corrosion resistance of various alloys ( Ref 43...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080335
EISBN: 978-1-62708-304-1
... with coal-fired utility boilers, as discussed in Chapter 10 . Kubin ( Ref 7 ) reported that Ogden Martin boilers in the United States typically operated at steam pressures of 4 to 6 MPa (615 to 880 psig) and temperatures of 370 to 440 °C (700 to 830 °F) for mass-burning units, and steam pressures of 4.5...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430351
EISBN: 978-1-62708-253-2
... from flue gases caused fire-side corrosion on the OD surface by forming low-melting alkali pyrosulfate compounds. The corrosion was more aggravated at the weld location due to accumulation of alkali pyrosulfate that eventually exposed the internal porosity. Moreover, during operation, flow-induced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030117
EISBN: 978-1-62708-282-2
... created during throttling Fig. 5 Eroded tube inserts from the inlet end of a fire-tube boiler. The inserts were eroded by particle-laden flue gas, which was forced to turn as it entered the boiler. Fig. 6 Erosion of a rotary valve handling dust from a cyclone. The wear plates...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.9781627083041
EISBN: 978-1-62708-304-1
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300227
EISBN: 978-1-62708-323-2
... they are subjected to liquid, droplet, and solid particle erosion. It also discusses the tribology of nickel- and cobalt-base alloys as well as titanium, zinc, tin, aluminum, magnesium, beryllium, graphite, and different types of wood. alloy composition cobalt-base alloys corrosion-resistant metals friction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
... considered forms of wear because material is not necessarily removed (it may instead be displaced to one side). Rather, these latter phenomena are referred to as “surface damage.” Source: Ref 1 Fig. 3 Major categories of wear based on abrasion, erosion, adhesion, and surface fatigue. Source: Ref...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490183
EISBN: 978-1-62708-340-9
...</xref>) Table 5.3. Failure mechanisms for boiler tubing ( Ref 1 ) Stress-rupture Short-term overheating High-temperature creep Dissimilar-metal welds Water-side corrosion Caustic corrosion Hydrogen damage Pitting (localized corrosion) Stress-corrosion cracking Fire-side...