GB1144070A - Hearth furnace - Google Patents

Hearth furnace

Info

Publication number
GB1144070A
GB1144070A GB32174/66A GB3217466A GB1144070A GB 1144070 A GB1144070 A GB 1144070A GB 32174/66 A GB32174/66 A GB 32174/66A GB 3217466 A GB3217466 A GB 3217466A GB 1144070 A GB1144070 A GB 1144070A
Authority
GB
United Kingdom
Prior art keywords
wustite
surface layer
inch
layer
hearth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB32174/66A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midland Ross Corp
Original Assignee
Midland Ross Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midland Ross Corp filed Critical Midland Ross Corp
Publication of GB1144070A publication Critical patent/GB1144070A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C21B13/105—Rotary hearth-type furnaces
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
GB32174/66A 1965-07-19 1966-07-18 Hearth furnace Expired GB1144070A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47294865A 1965-07-19 1965-07-19

Publications (1)

Publication Number Publication Date
GB1144070A true GB1144070A (en) 1969-03-05

Family

ID=23877546

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32174/66A Expired GB1144070A (en) 1965-07-19 1966-07-18 Hearth furnace

Country Status (5)

Country Link
JP (1) JPS5227084B1 (ru)
BE (1) BE684180A (ru)
DE (1) DE1508052A1 (ru)
GB (1) GB1144070A (ru)
NL (1) NL6609484A (ru)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3617205A1 (de) * 1985-05-23 1987-02-05 Int Metals Reclamation Co Drehherdofen
DE19529925A1 (de) * 1995-08-01 1997-02-06 Mannesmann Ag Verfahren und Vorrichtung zur Eingabe von Schüttgut in einen Drehherdofen
WO1998046953A1 (de) * 1997-04-11 1998-10-22 Paul Wurth S.A. Vorrichtung zum chargieren eines drehherdofens
EP0961094A1 (en) * 1998-04-29 1999-12-01 Demag Italimpianti S.P.A. Feeding and distributing device for rotary platforms, particularly for rotary-hearth furnaces
WO2000029628A1 (en) * 1998-11-12 2000-05-25 Midrex International B.V. Zürich Branch Iron production method of operation in a rotary hearth furnace and improved furnace apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4701214A (en) * 1986-04-30 1987-10-20 Midrex International B.V. Rotterdam Method of producing iron using rotary hearth and apparatus
JP7255272B2 (ja) * 2019-03-25 2023-04-11 住友金属鉱山株式会社 ニッケル酸化鉱石の製錬方法、還元炉

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3617205A1 (de) * 1985-05-23 1987-02-05 Int Metals Reclamation Co Drehherdofen
DE19529925A1 (de) * 1995-08-01 1997-02-06 Mannesmann Ag Verfahren und Vorrichtung zur Eingabe von Schüttgut in einen Drehherdofen
WO1998046953A1 (de) * 1997-04-11 1998-10-22 Paul Wurth S.A. Vorrichtung zum chargieren eines drehherdofens
EP0961094A1 (en) * 1998-04-29 1999-12-01 Demag Italimpianti S.P.A. Feeding and distributing device for rotary platforms, particularly for rotary-hearth furnaces
US6164891A (en) * 1998-04-29 2000-12-26 Demag Italimpianti S.P.A. Feeding and distributing device for rotary platforms, particularly for rotary-hearth furnaces
WO2000029628A1 (en) * 1998-11-12 2000-05-25 Midrex International B.V. Zürich Branch Iron production method of operation in a rotary hearth furnace and improved furnace apparatus

Also Published As

Publication number Publication date
BE684180A (ru) 1967-01-16
NL6609484A (ru) 1967-01-20
JPS5227084B1 (ru) 1977-07-18
DE1508052A1 (de) 1969-04-03

Similar Documents

Publication Publication Date Title
ES331090A1 (es) Procedimiento para la metalizacion de granulos de mezcla finamente dividida de oxido de hierro y de agente carbonoso reductor.
GB1144070A (en) Hearth furnace
GB977784A (en) Oxygen converter linings
GB1043548A (en) A method of and an apparatus for reducing iron oxide to sponge iron
GB1172932A (en) A Method of Melting Metal and a Cupola Furnace for Effecting same
GB1349036A (en) Shaft furnace
AU525963B2 (en) Refractory lining for blast furnace hearth
GB1172863A (en) Improvements in or relating to Melting Furnaces
GB1031053A (en) Improvements in or relating to linings for blast furnaces or the like
ZA714688B (en) Temperature control of ore in multiple hearth furnace
GB1025087A (en) Process for the direct reduction of iron-ore pellets
AU443460B2 (en) The use of granulated blast furnace slag in refractory cements and castables
GB1438038A (en) Bosh construction for metallurgical furnaces
GB539957A (en) Improvements in or relating to refractory material, such as high temperature insulation bricks for furnace linings and the like
JPS5288203A (en) Operation of hot stove
GB1506546A (en) Refractory lined shaft furnace
GB1083385A (en) Treatment of slags covering molten metal
GB1415748A (en) Furnace runner
GB156447A (en) Improvements relating to the manufacture of refractory materials for furnace linings
GB1336712A (en) Roadstone
GB966444A (ru)
CA909027A (en) Temperature control of ore in multiple hearth furnace
AU467295B2 (en) Temperature control of ore in multiple hearth furnace
GB718800A (en) Furnace sole slideways consisting of sintered aluminium oxide as slide elements, especially for metallurgical furnaces
GB1048980A (en) A method of and a furnace for burning carbonaceous clay