ZA200207363B - Method and device for producing molten iron. - Google Patents

Method and device for producing molten iron.

Info

Publication number
ZA200207363B
ZA200207363B ZA200207363A ZA200207363A ZA200207363B ZA 200207363 B ZA200207363 B ZA 200207363B ZA 200207363 A ZA200207363 A ZA 200207363A ZA 200207363 A ZA200207363 A ZA 200207363A ZA 200207363 B ZA200207363 B ZA 200207363B
Authority
ZA
South Africa
Prior art keywords
molten iron
producing molten
producing
iron
molten
Prior art date
Application number
ZA200207363A
Other languages
English (en)
Inventor
Koji Tokuda
Shuzo Ito
James C Simmons
Robert F Edgar
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of ZA200207363B publication Critical patent/ZA200207363B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B11/00—Making pig-iron other than in blast furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/08—Heating by electric discharge, e.g. arc discharge
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5252—Manufacture of steel in electric furnaces in an electrically heated multi-chamber furnace, a combination of electric furnaces or an electric furnace arranged for associated working with a non electric furnace
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085—Arc furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/24—Cooling arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/12—Working chambers or casings; Supports therefor
    • F27B2003/125—Hearths
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/18—Arrangements of devices for charging
    • F27B3/183—Charging of arc furnaces vertically through the roof, e.g. in three points
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/19—Arrangements of devices for discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D9/00—Cooling of furnaces or of charges therein
    • F27D2009/0002—Cooling of furnaces
    • F27D2009/0005—Cooling of furnaces the cooling medium being a gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D9/00—Cooling of furnaces or of charges therein
    • F27D2009/0002—Cooling of furnaces
    • F27D2009/001—Cooling of furnaces the cooling medium being a fluid other than a gas
    • F27D2009/0013—Cooling of furnaces the cooling medium being a fluid other than a gas the fluid being water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • F27D3/1545—Equipment for removing or retaining slag
    • F27D3/1554—Equipment for removing or retaining slag for removing the slag from the surface of the melt
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0073—Seals
ZA200207363A 2001-10-01 2002-09-13 Method and device for producing molten iron. ZA200207363B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/965,857 US6689182B2 (en) 2001-10-01 2001-10-01 Method and device for producing molten iron

Publications (1)

Publication Number Publication Date
ZA200207363B true ZA200207363B (en) 2003-05-07

Family

ID=25510594

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200207363A ZA200207363B (en) 2001-10-01 2002-09-13 Method and device for producing molten iron.

Country Status (10)

Country Link
US (1) US6689182B2 (xx)
EP (1) EP1298224A1 (xx)
JP (1) JP3860502B2 (xx)
KR (1) KR100470087B1 (xx)
CN (1) CN1216156C (xx)
AU (1) AU2002300990B9 (xx)
CA (1) CA2402827A1 (xx)
RU (1) RU2226553C1 (xx)
TW (1) TW564261B (xx)
ZA (1) ZA200207363B (xx)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4256645B2 (ja) * 2001-11-12 2009-04-22 株式会社神戸製鋼所 金属鉄の製法
US6875251B2 (en) * 2002-05-15 2005-04-05 Hatch Ltd. Continuous steelmaking process
AU2003264505A1 (en) * 2002-10-18 2004-05-04 Kabushiki Kaisha Kobe Seiko Sho Ferronickel and process for producing raw material for ferronickel smelting
JP4490640B2 (ja) * 2003-02-26 2010-06-30 株式会社神戸製鋼所 還元金属の製造方法
JP4110174B2 (ja) * 2006-03-01 2008-07-02 株式会社神戸製鋼所 溶解炉およびそれを用いた溶融金属製造方法
US7632330B2 (en) * 2006-03-13 2009-12-15 Michigan Technological University Production of iron using environmentally-benign renewable or recycled reducing agents
JP5166805B2 (ja) * 2007-09-19 2013-03-21 株式会社神戸製鋼所 アーク加熱による溶鉄製造方法
DE102008058605A1 (de) * 2007-12-18 2009-07-02 Sms Demag Ag Vorrichtung zur Gewinnung von Metallen oder Metallverbindungen, aus einem das Metall oder die Metallverbindung enthaltenden Material
WO2009131148A1 (ja) 2008-04-23 2009-10-29 株式会社神戸製鋼所 溶融金属の製造方法
JP5330185B2 (ja) * 2009-10-08 2013-10-30 株式会社神戸製鋼所 溶融金属製造装置
AU2010304229B2 (en) 2009-10-08 2013-05-30 Kabushiki Kaisha Kobe Seiko Sho Apparatus for manufacturing molten metal
JP5368243B2 (ja) * 2009-10-08 2013-12-18 株式会社神戸製鋼所 溶融金属製造装置
JP5426988B2 (ja) * 2009-10-08 2014-02-26 株式会社神戸製鋼所 溶融金属製造装置
DE102011087065A1 (de) * 2011-11-24 2013-05-29 Sms Siemag Ag Elektrolichtbogenofen und Verfahren zu seinem Betrieb
CN103286299B (zh) * 2013-07-01 2015-08-19 镇江市电站辅机厂有限公司 一种氮封精定量式铸焊机
KR101457368B1 (ko) 2013-10-04 2014-11-03 한국수력원자력 주식회사 용융물의 유도가열식 배출장치 및 방법
RU2539890C1 (ru) * 2013-12-30 2015-01-27 Генрих Алексеевич Дорофеев Способ выплавки стали в электродуговой печи и электродуговая печь
ITUA20163986A1 (it) * 2016-05-31 2017-12-01 Tenova Spa Metodo ed apparato per la produzione di ghisa, ghisa prodotta secondo detto metodo
CN107120978B (zh) * 2017-06-21 2023-04-07 重庆科技学院 一种金属冶炼倾泻防护系统
IT201800004847A1 (it) * 2018-04-24 2019-10-24 Metodo di fusione in un forno elettrico ad arco e relativo apparato
DE102020205493A1 (de) 2020-04-30 2021-11-04 Sms Group Gmbh Verfahren zum Herstellen von flüssigem Roheisen aus einem DRI-Produkt
WO2021241538A1 (ja) * 2020-05-29 2021-12-02 Ｊｆｅマテリアル株式会社 固定型電気炉の操業方法
CN115125359B (zh) * 2021-03-29 2024-01-09 宝山钢铁股份有限公司 一种转底炉金属化球团热装热送返转炉炼钢的方法及系统

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US3033673A (en) 1960-05-03 1962-05-08 Elektrokemisk As Process of reducing iron oxides
US3443931A (en) 1965-09-10 1969-05-13 Midland Ross Corp Process for making metallized pellets from iron oxide containing material
FR2220584B1 (xx) 1973-03-05 1976-05-21 Siderurgie Fse Inst Rech
US4098603A (en) 1974-04-02 1978-07-04 Demag A.G. Method for melting steel
DE2415967A1 (de) * 1974-04-02 1975-10-09 Demag Ag Verfahren zum erschmelzen von stahl
US4122295A (en) * 1976-01-17 1978-10-24 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Furnace wall structure capable of tolerating high heat load for use in electric arc furnace
DE2608279B2 (de) * 1976-02-28 1978-02-16 Demag Ag, 4100 Duisburg Verfahren zum einschmelzen von stahl aus schrott im elektroofen
JPS5655587Y2 (xx) * 1978-04-20 1981-12-25
US4238226A (en) 1979-07-16 1980-12-09 Midrex Corporation Method for producing molten iron by submerged combustion
US4316739A (en) 1979-07-16 1982-02-23 Midrex Corporation Method for producing molten iron
US4701214A (en) 1986-04-30 1987-10-20 Midrex International B.V. Rotterdam Method of producing iron using rotary hearth and apparatus
US5567224A (en) 1995-06-06 1996-10-22 Armco Inc. Method of reducing metal oxide in a rotary hearth furnace heated by an oxidizing flame
SK125398A3 (en) 1996-03-15 1999-05-07 Kobe Steel Ltd Method and apparatus for making metallic iron
JP3296974B2 (ja) 1996-08-15 2002-07-02 株式会社神戸製鋼所 直接還元法及び回転床炉
EP0896066A4 (en) 1996-11-11 2000-07-19 Sumitomo Metal Ind METHOD AND DEVICE FOR PRODUCING REDUCED IRON
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TW495552B (en) 1997-12-18 2002-07-21 Kobe Steel Ltd Method of producing reduced iron pellets
JP3081581B2 (ja) 1998-03-23 2000-08-28 株式会社神戸製鋼所 高金属化率還元鉄塊成物の製造方法
EP0952230A1 (en) 1998-03-24 1999-10-27 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Method of producing reduced iron agglomerates
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CA2346977C (en) * 1998-10-30 2006-09-19 Midrex Technologies, Inc. Method of producing molten iron in duplex furnaces
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CN1219891C (zh) 1999-05-06 2005-09-21 株式会社神户制钢所 直接还原法及回转炉床炉
CN1258605C (zh) 1999-10-15 2006-06-07 株式会社神户制钢所 还原金属制造设备以及还原金属的制造方法

Also Published As

Publication number Publication date
AU2002300990B2 (en) 2008-04-17
RU2226553C1 (ru) 2004-04-10
TW564261B (en) 2003-12-01
CN1410553A (zh) 2003-04-16
JP2003105415A (ja) 2003-04-09
KR100470087B1 (ko) 2005-02-05
JP3860502B2 (ja) 2006-12-20
US6689182B2 (en) 2004-02-10
EP1298224A1 (en) 2003-04-02
AU2002300990B9 (en) 2008-09-11
CA2402827A1 (en) 2003-04-01
RU2002125939A (ru) 2004-03-27
CN1216156C (zh) 2005-08-24
US20030070507A1 (en) 2003-04-17
KR20030028416A (ko) 2003-04-08

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