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Furnace tubes

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Published: 01 December 1995
Fig. 2-152 Roller shaft assembly for annealing furnace. Tubes are centrifugally cast of heat-resistant 25% chromium, 12% nickel steel. More
Image
Published: 01 December 2006
Fig. 2.90 Special sections as support tubes in a walking beam furnace for heating steel slabs More
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Published: 01 November 2007
Fig. 10.1 Water enters the waterwall tubes at the furnace bottom and turns into a mixture of water and steam that leaves the waterwall tubes at the top (C) and enters the steam drum where steam and water is separated. Water mixed with the replacement water (A) is returned to the waterwall More
Image
Published: 01 November 2007
Fig. 10.2 Same water and water/steam circulation in the furnace waterwall tubes as in Fig. 10.1 with illustration of the furnace waterwall tubes. Source: Ref 1 . Courtesy of Babcock & Wilcox More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080003
EISBN: 978-1-62708-304-1
... cladding for providing corrosion protection and the substrate base tube for the load-bearing structural part. Most of these composite tubes are used in superheaters and reheaters in boilers with metal temperatures being likely less than about 650 °C (1200 °F). Many furnace tubes used in petrochemical...
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Published: 01 December 2015
Fig. 30 Polythionic acid stress-corrosion cracking of type 304 (S30400) furnace tube near weld to carbon steel tube. Cracking is both parallel and perpendicular to weld but not in the weld. More
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Published: 01 October 2012
Fig. 11.15 Immersion tubes for molten aluminum holding furnaces made from a filament-wound continuous fiber ceramic-matrix composite. Courtesy of Textron Systems. Source: Ref 11.3 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080005
EISBN: 978-1-62708-304-1
... Abstract Many metallic components, such as retorts in heat treat furnaces, furnace heater tubes and coils in chemical and petrochemical plants, waterwalls and reheater tubes in boilers, and combustors and transition ducts in gas turbines, are subject to oxidation. This chapter explains how...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080321
EISBN: 978-1-62708-304-1
.... It explains how oil-ash corrosion affects waterwalls, superheaters, and reheaters as well as metal tube supports and hangers. fireside corrosion oil-ash corrosion oil-fired boilers refinery furnaces waterwall corrosion 11.1 Introduction Fuel oils primarily consist of residues from...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430017
EISBN: 978-1-62708-253-2
.... A boiler is a rectangular furnace typically about 15 m (50 ft.) on a side and 40 m (130 ft.) tall. Its walls are lined with a network or web of HP steel tubes known as waterwalls or waterwall tubes, filled with water and about 55 to 65 mm (2 to 2.5 in.) in diameter. The pulverized coal-hot air mixture...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080359
EISBN: 978-1-62708-304-1
... susceptible to corrosion. This chapter describes some of the problems that the pulp and paper industry has solved as well as ongoing issues and concerns. It includes an in-depth review of 304L cladding failures involving coextruded composite tubes used as floor tunes in the lower furnace, as superheater tubes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080235
EISBN: 978-1-62708-304-1
... to as “erosion-corrosion.” Materials problems that are caused by erosion or erosion-corrosion in industries are numerous. In the petrochemical industry, the pyrolysis furnace tubes for the production of ethylene are a good example. Ethylene is produced by cracking petroleum feedstocks, such as ethane...
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
..., intended to reduce NOx emissions, accelerates tube wall wastage. It also covers circumferential cracking in furnace waterwalls, thermal fatigue cracking induced by waterlances and water cannons, superheater-reheater corrosion, and erosion in fluidized-bed boilers. coal-fired boilers combustion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980323
EISBN: 978-1-62708-342-3
... the presses and auxiliary equipment for tube extrusion, induction furnaces for billet processing, handling systems for copper and aluminum alloy products, extrusion cooling systems, and age-hardening ovens. Next, the chapter describes the principles and applications of equipment for the production of aluminum...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370187
EISBN: 978-1-62708-447-5
... serves to move the middle platen (3) carrying the top half of the mold (4). The bottom platen carries the bottom half of the mold (5). A stalk tube (8) with one end submerged in the metal in the holding furnace (7) is connected to the bottom mold, as shown in the figure. Dry air injected into the sealed...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.9781627084475
EISBN: 978-1-62708-447-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080335
EISBN: 978-1-62708-304-1
... and alloys. It also discusses corrosion protection methods for furnace waterwalls and superheater tubes in waste-to-energy boilers. corrosion corrosion protection superheaters waste incinerators waste-to-energy boilers 12.1 Introduction Municipal solid waste (MSW) is a combination...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080097
EISBN: 978-1-62708-304-1
... of carburization attack. In the petrochemical industry, carburization is one of the major modes of high-temperature corrosion for processing equipment. The pyrolysis furnace tubes for production of ethylene and olefins are a good example ( Ref 3 – 5 ). Ethylene is formed by cracking petroleum feedstock...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220085
EISBN: 978-1-62708-341-6
..., Basics of Induction Heating , Vol 1, John F. Rider, Inc., New York, 1960 ( Ref 2 ) Material Final temperature, °C (°F) Approximate smallest diameter, in. (a) , for efficient heating by: Motor-generators/solid-state supplies Vacuum-tube oscillators 60 Hz 1 kHz 3 kHz 10 kHz 50 kHz 450...
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Published: 01 November 2007
Fig. 7.1 Alloy 601 tube suffering localized sulfidation attack. The tube was in service at about 930 °C (1700 °F) in a natural gas-fired furnace making ceramic tiles. Sulfur was believed to come from the ceramic feedstock. More