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cupola furnaces

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Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005197
EISBN: 978-1-62708-187-0
... operation preheated air blast recuperative hot blast systems duplex electric holders refractory lining water-cooled cupolas emission-control systems THE CUPOLA is basically a simple cylindrical shaft furnace that burns coke for fuel. The heat generated is intensified by the blowing of air through...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006337
EISBN: 978-1-62708-179-5
...Abstract Abstract Various types of furnaces have been used for cast iron melting. In terms of tonnage, the primary melting methods used by iron casting facilities are cupola and induction furnaces. This article describes the operation and control principles of cupola furnace. It discusses...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005904
EISBN: 978-1-62708-167-2
...Abstract Abstract The crucible induction furnace is growing as an alternative melting unit to the cupola furnace due to its low specific power and reduced power consumption during solid melting material. This article details the process engineering features of the crucible induction furnace...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005908
EISBN: 978-1-62708-167-2
... furnaces are widely used for the melting of iron, steel, and nonferrous metals. In cast iron foundries, cupola, induction, and also partly gas- or oil-fired rotary furnaces are in competition ( Fig. 2 ). From the aspect of production requirements, the cupola furnace has big advantages for continuous...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006329
EISBN: 978-1-62708-179-5
... 2530 Characteristic features of the two principal melting systems in iron foundries Table 8 Characteristic features of the two principal melting systems in iron foundries Feature Induction furnace Cupola furnace Chemical composition and tapping temperature Variable at all times...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005294
EISBN: 978-1-62708-187-0
..., and scrap iron. Various types of furnaces have been used for cast iron melting ( Fig. 3 ). In terms of tonnage, however, cupola and induction furnace melting are the primary melting methods used by iron metalcasting facilities ( Fig. 4 ). Electric induction furnaces and some resistance heating are also used...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003173
EISBN: 978-1-62708-199-3
... Fig. 6 Sectional views of conventional (non-water-cooled) and water-cooled cupolas. The conventional type shown is refractory lined. Water-cooled types incorporate either an enclosed jacket or an open cascade flow. Fig. 9 Lift-out crucible (pot) furnace Fig. 10 Typical lift...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005196
EISBN: 978-1-62708-187-0
... operation compared to cupola furnaces. Induction furnaces are very efficient and are made in many sizes. Induction furnaces are relatively simple, and small quantities can be melted quickly. The melting time is relatively short, allowing metal to be delivered at small, regular intervals. A wide range...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003174
EISBN: 978-1-62708-199-3
... Chemical Composition, Melting, and Molding Chemical Composition and Melt Treatment Structure/Property Relationships Graphite Morphology Cementite Matrix Phases Charge Materials for Cupolas Charge Materials for Induction Furnaces Types of Inoculants Addition Methods Alloying...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005186
EISBN: 978-1-62708-187-0
..., Philip Livingston, and Stephen Hopkins sign the American Declaration of Independence. 1779—First iron bridge ever erected (above England's Severn River) was cast and constructed at Coalbrookdale Works. 1794—John Wilkinson of England invents the first metalclad cupola furnace, using a steam engine...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005903
EISBN: 978-1-62708-167-2
... to Table 1 , the sulfur content of the basis iron should lie well below 0.02% to ensure technically and economically optimal magnesium treatment. When melting in a cupola furnace, this value is exceeded almost tenfold, thus the basis iron should be desulfurized before being treated with magnesium, insofar...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006320
EISBN: 978-1-62708-179-5
..., Philip Livingston, and Stephen Hopkins sign the American Declaration of Independence. United States 1779 Cast iron used as architectural material: Iron Bridge over the Severn River England 1794 John Wilkinson invents the first metalclad cupola furnace, using a steam engine to provide the air...
Book Chapter

Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001005
EISBN: 978-1-62708-161-0
... for most present-day malleable iron is melted in coreless induction furnaces rather than the previous air furnace, cupola-air furnace, or cupola-electric furnace systems. The sulfur and nitrogen contents of the charge carbon used in melting must be high enough to provide 0.07 to 0.09% S and 80 to 120 ppm N...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006333
EISBN: 978-1-62708-179-5
... furnaces, or cupola furnaces. In duplexing, the iron is melted in a cupola or electric arc furnace, and the molten metal is transferred to a coreless or channel-type induction furnace for holding and pouring. Charge materials (foundry returns, steel scrap, ferroalloys, and, except in cupola melting, carbon...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005326
EISBN: 978-1-62708-187-0
... by batch cold melting or by duplexing. Cold melting is done in coreless or channel-type induction furnaces, electric arc furnaces, or cupola furnaces. In duplexing, the iron is melted in a cupola or electric arc furnace, and the molten metal is transferred to a coreless or channel-type induction furnace...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005902
EISBN: 978-1-62708-167-2
... section through the furnace vessel. Source: Ref 3 , courtesy of ABP Induction Systems Especially in combination with a cupola furnace, deposits are particularly prone to form around the siphons. As seen in Fig. 2 , the upper siphon area of type IRT can be dismantled to improve accessibility...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005195
EISBN: 978-1-62708-187-0
... of the furnace operation make it more energy efficient than the cupola. In addition, the furnace can take either low-grade steel scrap or direct reduced iron and/or hot briquette iron and combine it with coal and silica to melt steel or smelt iron in the same furnace system, producing 73 Mg/h (80 ton/h...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006310
EISBN: 978-1-62708-179-5
... for electric melting that will provide suitable base sulfur upon melting. In cupola melting, sulfur is also absorbed from the coke. When using cupola-melted iron, it is common to employ continuous desulfurization in a vessel built into the cupola tapping trough system. Nitrogen bubbling with one or more porous...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003170
EISBN: 978-1-62708-199-3
... with these alloys. Ferrous Alloys Nonferrous Castings Ferrous alloys include both cast irons and steels. Cast irons generally refer to iron alloys containing 3 to 4% carbon, with silicon contents of 1.5 to 2.5%. Cast irons, which are melted in induction furnaces, cupolas, and electric arc furnaces...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005895
EISBN: 978-1-62708-167-2
... of 21 MW at an operating frequency of 60 Hz. Inductive melting thus came to be regarded in iron foundries as an economically viable technical alternative to cupola furnaces, while it was able to supplant the majority of gas and oil fired plants for melting nonferrous metals. A drawback was the heel...