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water-cooled cupolas

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Published: 01 December 1998
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. More
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
... in cupola equipment, including preheated air blast, recuperative hot blast systems, and duplex electric holders. It discusses the shell, intermittent or continuous tapping, tuyere and blower systems, refractory lining, water-cooled cupolas, emission-control systems, and storage and handling of the charge...
Image
Published: 01 December 2008
Fig. 7 Cokeless cupola showing scrap charging, water-cooled grates, burner location, and so on More
Image
Published: 01 December 2008
Fig. 6 Cupola melt designs. (a) Water-cooled bare shell. (b) Refractory-lined shell. Source: Ref 5 More
Image
Published: 31 August 2017
Fig. 8 Cokeless cupola showing scrap charging, water-cooled grates, burner location, and so on More
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
... cupola pressure-actuated pouring furnaces refractory linings water-cooled cupolas VARIOUS TYPES OF FURNACES have been used for cast iron melting ( Fig. 1 ). In terms of tonnage, the primary melting methods used by iron casting facilities are cupola and induction furnaces, constituting 60 and 36...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003173
EISBN: 978-1-62708-199-3
... for these changes. It is essential that the lining not be permitted to wear through to the coil, which will quickly melt and allow the cooling water to enter the molten bath with catastrophic results. Cupola Melting Cupolas are vertical shaft furnaces used for melting cast iron. Although similar in principle...
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
... of the electrical furnace efficiency on the electrical conductivity of the cooling water temperature. With a reduced average coil temperature due to lower cooling water temperature, a substantial reduction of coil losses and hence an increase of the furnace efficiency is possible. Figure 9(b) shows the dependence...
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
.... This water allowed the refractory materials in the melt zone to burn out until it felt the cooling effect of the water-cooled shell. This change improved the energy efficiency of the water-cooled, refractory-lined cupolas to near the level of the older refractory-lined shells. Both cupola designs are shown...
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
... predominantly 6 mm (0.24 in.) wall sections in the water jackets above the firing deck. This is simply because the cooling rate of the cylinder head is reduced by the mass effect resulting from enclosed cores and the proximity (often less than 12 mm, or 0.47 in.) of one 6 mm (0.24 in.) wall to the other. Thus...
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
... are lower for the induction furnace. Refractory and water costs are more or less the same. Energy costs (with highly fluctuating costs and qualities of coke) often are lower for electricity. Melting material costs generally are lower for the cupola furnace (due to the lower quality requirements...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003170
EISBN: 978-1-62708-199-3
... Abstract Metal casting is the manufacturing method in which a metal or an alloy is melted, poured into a mold, and allowed to solidify. Typical uses of castings include municipal hardware, water distribution systems (pipes, pumps, and valves), automotive components (engine blocks, brakes...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003174
EISBN: 978-1-62708-199-3
... is to be produced. Instead, molds for iron castings are usually made of sand, using clay-water or resin bonds. Sea coal is generally added to the molding sand; it expands and cokes in response to the heat from the solidifying casting, and resists penetration of molten metal into the mold. Cores are often coated...
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
... and water cooling systems for induction furnaces. Furnace operators can increase the power supply utilization by the use of mechanical skimmers. The article describes the various lining materials used in induction furnaces, namely, silica, alumina, and magnesia. The crucible wall scrapers, ramming mixes...
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
... of the inductor coil, a cooling cylinder enclosing it, the closed iron core, the inductor casing, and the refractory lining in channel form, which takes up the melt. The coils for inductors from medium-power outputs (>250 kW) are cooled primarily by water. The steel casing also is cooled by water in high...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005205
EISBN: 978-1-62708-187-0
.... Therefore, the cathode material is liquid at the arc attachment point even with water cooling at the rear of the cathode. For this reason, oxidizing gases generally cannot be used in direct contact with the tungsten tip. Argon shielding is one solution. Further, it should be kept in mind that portions...
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
... on production requirements. The furnace atmosphere for producing malleable iron in continuous furnaces is controlled so that the ratio of CO to CO 2 is between 1:1 and 20:1. In addition, any sources of water vapor or hydrogen are eliminated; the presence of hydrogen is thought to retard annealing...
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
... the first-stage annealing furnace after stabilizing the temperature at 845 to 870 °C (1550 to 1600 °F). The furnace atmosphere for producing malleable iron in continuous furnaces is controlled so that the ratio of CO to CO 2 is between 1:1 and 20:1. In addition, any sources of water vapor or hydrogen...
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
.... In addition, any sources of water vapor or hydrogen are eliminated; the presence of hydrogen is thought to retard annealing, and it produces excessive decarburization of casting surfaces. Proper control of the gas atmosphere is nt for avoiding an undesirable surface structure. A high ratio of CO to CO 2...
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
... on the arc melting of iron and EAF steelmaking. chemical analysis cupola furnaces deoxidation electric arc furnaces ferrous alloys oxidation steel furnace shell water-cooling system preheat and furnace scrap burners heat reduction THE MELTING OF STEEL is performed in both arc furnaces...