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radiant tube

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Published: 01 December 1995
Fig. 2-125 Cast radiant tubes constructed by welding centrifugally cast tubing to statically cast return bends More
Image
Published: 01 March 2006
with an inert gas atmosphere. Radiant tube is used for heating. Source: Ref 12 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440055
EISBN: 978-1-62708-262-4
... (radiant tubes). An older model of a radiation-heated heat treating furnace is the simple box-type batch furnace shown in Fig. 3 . Electrical resistance elements can be seen on the side walls of the furnace. Circulating fans may be added to larger furnaces to provide a convection heating assist...
Image
Published: 01 December 2015
Fig. 5 High-temperature sulfidic corrosion of 150 mm (6 in.) diameter carbon steel tube from radiant section of crude preheat furnace at crude distillation unit. Note accelerated attack on fire side. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900039
EISBN: 978-1-62708-350-8
... heater box and the heated combustion air is distributed to the process retort. Alternatively, the combustion products can heat a series of external radiant tubes that surround the process retort. Calculation of the heat input requirement uses this formula ( Ref 3 ): kW ⋅ h = Steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200007
EISBN: 978-1-62708-354-6
... alloy tubes used in the refining of oil to produce gasoline. The tubes are generally centrifugally cast steel and are shown during fabrication in Figure 2-93 . Fig. 2-92 U-bend castings of high alloy HK cast steel Fig. 2-93 Typical pyrolysis coils. Centrifugally cast high alloy...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780159
EISBN: 978-1-62708-281-5
..., “Test Method for Behavior of Materials in a Vertical Tube Furnace at 750 °C”). Other tests, such as ASTM D 1929 and ASTM D 3713, provide quantitative results. ASTM D 1929, “Standard Test Method for Ignition Properties of Plastics” ( Ref 10 ), uses a hot-air ignition furnace. Both flash-ignition...
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
... surfaces in the convection pass, such as superheater and reheater, that are not exposed to radiant heat ( Ref 1 ). These ash deposits, which are impeding the heat transfer, require their regular removal from the tube surfaces. Soot blowers using steam are generally adequate for removing the ash deposits...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200197
EISBN: 978-1-62708-354-6
... the furnace working chamber may be direct, by open-fired gas burners or electric radiant heating elements on the walls, or by some type of indirect heating by gas or electric energy. Indirect heated furnaces may be of the radiant tube type or muffle type. Forced recirculation of hot air or products...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370145
EISBN: 978-1-62708-447-5
... the three basic sections of a holding furnace. Fig. 7.13 Schematic of a holding furnace Resistance elements or radiant tubes, which are used extensively, may occasionally be damaged by metal splashing, especially during the transfer of molten metal using a distribution ladle. Heating from...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480243
EISBN: 978-1-62708-318-8
..., including brake forming, stretch forming, deep drawing, and spin forming as well as roll forming, drop-hammer forming, tube bulging and bending, and superplastic forming. It also discusses dimpling and joggling and the use of hot sizing to correct springback. forming lubricants titanium alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050317
EISBN: 978-1-62708-311-9
..., magnetic flux concentrators and their uses with induction coils and computer-aided design for induction coils are also covered. Induction Coils Coil Construction The construction of coils requires skill and expertise. Whether the coils are made from tubing, machined components, or a combination...
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 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220281
EISBN: 978-1-62708-341-6
... assembly but is used solely as a means of supplying heat to a plastic preform which is to be shaped. As an example, catheters for medical treatment are formed of inert plastic tubing and must have specific shapes at their ends so that they can be coupled to intravenous or similar types of apparatus...
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: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490183
EISBN: 978-1-62708-340-9
... strength Tubes SA-192 … (47) (26) 0.06-0.18 0.27-0.63 0.048 0.058 0.25 … … … Tubes (ERW) SA-178 A … … 0.06-0.18 0.27-0.63 0.050 0.060 … … … Tubes (ERW) SA-226 … (47) (26) 0.06-0.18 0.27-0.68 0.050 0.060 … … … … Intermediate strength Tubes SA-210 A-1 60 37...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200298
EISBN: 978-1-62708-354-6
... alloyed grade. The upgraded material may have greater strength, allowing redesign of the component to a lighter section. Table 22-5 compares a number of different materials suitable for reformer tubes, which were originally made with HK40 alloy. The alternative materials cost from 50 to 140% more than...
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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
... resistance, and dimensional stability at extreme temperatures Compact heat exchanges, heat exchanger tubes, radiant tubes, furnace components, insulators, thermocouple protection tubes, kiln furniture Internal combustion engine components Engine components High-temperature resistance, wear resistance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480353
EISBN: 978-1-62708-318-8
... techniques, such as superplastic forming coupled with diffusion bonding (see Chapter 11, “Forming of Titanium Plate, Sheet, Strip, and Tubing” ), are capable of producing hollow blades, thereby drastically reducing the weight of fan and compressor blades. The use of this advanced fabrication technique...