AU2001247567A1 - Process and apparatus for automatically controlling slag foaming - Google Patents

Process and apparatus for automatically controlling slag foaming

Info

Publication number
AU2001247567A1
AU2001247567A1 AU2001247567A AU4756701A AU2001247567A1 AU 2001247567 A1 AU2001247567 A1 AU 2001247567A1 AU 2001247567 A AU2001247567 A AU 2001247567A AU 4756701 A AU4756701 A AU 4756701A AU 2001247567 A1 AU2001247567 A1 AU 2001247567A1
Authority
AU
Australia
Prior art keywords
automatically controlling
slag foaming
controlling slag
foaming
automatically
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.)
Abandoned
Application number
AU2001247567A
Inventor
Mark Duchnak
James Stendera
David Viers
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.)
Martin Marietta Magnesia Specialties LLC
Original Assignee
Martin Marietta Magnesia Specialties LLC
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 Martin Marietta Magnesia Specialties LLC filed Critical Martin Marietta Magnesia Specialties LLC
Publication of AU2001247567A1 publication Critical patent/AU2001247567A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • F27B3/28—Arrangement of controlling, monitoring, alarm or the like devices
    • 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
    • C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the 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
    • C21C5/5294—General arrangement or layout of the electric melt shop
    • 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
    • C21C5/54—Processes yielding slags of special composition
    • 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
    • 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
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0075—Regulation of the charge quantity
    • 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
    • F27D3/18—Charging particulate material using a fluid carrier
    • 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
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Discharge Heating (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
AU2001247567A 2000-03-17 2001-03-19 Process and apparatus for automatically controlling slag foaming Abandoned AU2001247567A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18998400P 2000-03-17 2000-03-17
US60189984 2000-03-17
PCT/US2001/008745 WO2001072090A1 (en) 2000-03-17 2001-03-19 Process and apparatus for automatically controlling slag foaming

Publications (1)

Publication Number Publication Date
AU2001247567A1 true AU2001247567A1 (en) 2001-10-03

Family

ID=22699580

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001247567A Abandoned AU2001247567A1 (en) 2000-03-17 2001-03-19 Process and apparatus for automatically controlling slag foaming

Country Status (9)

Country Link
US (1) US6544314B2 (en)
EP (1) EP1269796A4 (en)
JP (1) JP2003528217A (en)
KR (1) KR20030023615A (en)
CN (2) CN100360689C (en)
AU (1) AU2001247567A1 (en)
CA (1) CA2402860C (en)
HK (1) HK1055375A1 (en)
WO (1) WO2001072090A1 (en)

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FR2838508B1 (en) * 2002-04-15 2004-11-26 Air Liquide PROCESS FOR PRODUCING LIQUID METAL IN AN ELECTRIC OVEN
US6810069B2 (en) * 2002-07-12 2004-10-26 Mcgraw-Edison Company Electrical arc furnace protection system
US6969416B2 (en) 2003-04-01 2005-11-29 American Air Liquide, Inc. Method for controlling slag characteristics in an electric arc furnace
US7393379B2 (en) * 2004-04-20 2008-07-01 Franklin Leroy Stebbing Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals
WO2006024069A1 (en) * 2004-09-03 2006-03-09 Newsouth Innovations Pty Limited Production of ferro-alloys
ITMI20050539A1 (en) * 2005-04-01 2006-10-02 Techint Spa METHOD AND APPARATUS FOR THE RECOVERY OF REFRACTORY MATERIALS OF RESULTS AND SORRIES FROM SIVIERA AS PROCESS SCORES IN STEEL PRODUCTION IN EAF AND ITS RELATED DOSAGE FOR THE FORMATION OF PROCESS SCORIA
CN101228406B (en) * 2005-07-22 2011-01-26 西门子公司 Method for determining at lest one state parameter in electric arc furnace and electric arc furnace
CZ297558B6 (en) * 2005-08-12 2007-02-07 Mittal Steel Ostrava A. S. Device for pouring ingredients into casting ladle
DE102006004532B4 (en) * 2006-02-01 2014-10-09 Sms Siemag Aktiengesellschaft Process for producing a foamed slag in a metallic melt
US7638999B2 (en) * 2006-04-07 2009-12-29 Cooper Technologies Company Protective relay device, system and methods for Rogowski coil sensors
US7564233B2 (en) * 2006-11-06 2009-07-21 Cooper Technologies Company Shielded Rogowski coil assembly and methods
DE102007006529A1 (en) * 2007-02-09 2008-08-14 Sms Demag Ag Process and reduction of a chromium-containing slag in an electric arc furnace
US7738221B2 (en) 2007-12-07 2010-06-15 Cooper Technologies Company Transformer inrush current detector
DE102008045054A1 (en) * 2008-08-26 2010-03-04 Sms Siemag Aktiengesellschaft Process for the foaming slag control of a stainless melt in an electric arc furnace
WO2010022473A1 (en) * 2008-08-29 2010-03-04 Newsouth Innovations Pty Limited Production of ferro-alloys
RU2510480C2 (en) * 2009-02-03 2014-03-27 Сименс Акциенгезелльшафт Method and device for control over carbon oxide emission from arc furnace
EP2290310A1 (en) * 2009-07-31 2011-03-02 Siemens Aktiengesellschaft Method for dynamic regulation of at least one burner composed of at least one unit and device for carrying out the method
DE102009043639A1 (en) * 2009-09-29 2011-03-31 Sms Siemag Aktiengesellschaft Method and apparatus for controlling the production of a foamed slag in a metallic melt
US7914602B1 (en) 2009-12-02 2011-03-29 Carbide Industries, LLC Process to reduce steel furnace slag carry-over during tapping
RU2012142810A (en) 2010-03-09 2014-04-20 Сименс Акциенгезелльшафт METHOD FOR REGULATING SLAG CONSISTENCY AND DEVICE FOR EXECUTING THE METHOD
EP2589672A1 (en) * 2011-11-03 2013-05-08 Siemens Aktiengesellschaft Method for operating an arc oven
KR102172690B1 (en) * 2014-08-05 2020-11-02 엘지이노텍 주식회사 Finger sensor and touch device comprising the same
FI127188B (en) * 2015-04-10 2018-01-15 Outotec Finland Oy PROCEDURES AND ARRANGEMENTS FOR USING A METALLURGICAL OVEN AND COMPUTER PROGRAM PRODUCT
CN111377589B (en) * 2018-12-31 2022-05-06 潍坊奥华环保新材料科技有限公司 Automatic gas injection charging process for producing rock wool electric melting furnace
IT201900016079A1 (en) * 2019-09-11 2021-03-11 Lorenzo Macario USE OF A RUBBER GRANULATE IN THE PRODUCTION OF STEEL FROM ELECTRIC FURNACES
CN112048586B (en) * 2020-08-27 2022-02-25 山东墨龙石油机械股份有限公司 Control method and device suitable for foam slag furnace condition in iron bath smelting reduction
CN112481444B (en) * 2020-11-11 2022-07-19 福建三宝钢铁有限公司 Process for reducing consumption of steel materials in electric furnace

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ZA713324B (en) * 1970-06-01 1972-01-26 Conzinc Riotinto Ltd Feeding ores or concentrates to smelting furnaces
JPS4949284B1 (en) * 1971-05-26 1974-12-26
US4483709A (en) * 1972-03-27 1984-11-20 Pennsylvania Engineering Corporation Steel production method
DE2608320C2 (en) * 1976-02-28 1978-12-07 Demag Ag METHOD FOR CONTINUOUSLY MELTING STEEL WITH A HIGH Purity
JPS5687617A (en) * 1979-12-19 1981-07-16 Daido Steel Co Ltd Steel making method using arc furnace
US4447265A (en) * 1983-06-27 1984-05-08 Schwer John W Method and composition for foaming slag in electric arc furnace
US4528035A (en) * 1984-05-21 1985-07-09 Metro Materials Corporation Composition and process to create foaming slag cover for molten steel
US4661150A (en) * 1985-04-10 1987-04-28 New Zealand Steel Limited Production of liquid iron
DE3528867A1 (en) 1985-08-12 1987-02-19 Leybold Heraeus Gmbh & Co Kg DEVICE FOR COMPENSATING THE INFLUENCE OF THE WEIGHT OF A POWER SUPPLY PIPE ON A WEIGHT MEASURING DEVICE
FR2648564B1 (en) 1989-06-15 1991-09-27 Siderurgie Fse Inst Rech METHOD AND DEVICE FOR MEASURING THE INSTABILITY OF AN ARC IN AN ELECTRIC OVEN FOR TREATING LIQUID METAL
US5099438A (en) * 1989-08-28 1992-03-24 Ucar Carbon Technology Corporation Method for on-line monitoring and control of the performance of an electric arc furnace
DE4211164C2 (en) * 1992-03-31 1995-02-16 Mannesmann Ag Method and device for treating pourable or flowable material
ATA155793A (en) * 1993-08-04 1996-04-15 Voest Alpine Ind Anlagen METHOD FOR PRODUCING A METAL MELT AND SYSTEM FOR IMPLEMENTING THE METHOD
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DE4425089C1 (en) * 1994-07-15 1996-01-11 Hamburger Stahlwerke Gmbh Process for controlling foam slag formation in a three-phase arc furnace
US5714113A (en) 1994-08-29 1998-02-03 American Combustion, Inc. Apparatus for electric steelmaking
US5827474A (en) 1997-01-02 1998-10-27 Vesuvius Crucible Company Apparatus and method for measuring the depth of molten steel and slag
JP3743095B2 (en) * 1997-02-19 2006-02-08 Ｊｆｅスチール株式会社 Judgment method of slag forming in electric furnace steelmaking and operating method of electric furnace
DE19733130A1 (en) * 1997-07-31 1999-02-04 Badische Stahl Eng Method and device for detecting the state of slag and the stability of the arc in arc furnaces
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DE19748310C1 (en) 1997-10-31 1998-12-17 Siemens Ag Controlling formation of foam slag in an electric arc furnace
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US6004504A (en) * 1998-03-12 1999-12-21 Techint Compagnia Tecnica Internazionale Method and apparatus for controlling bath level and measurement of bath characteristics
CN1263951A (en) * 1999-02-15 2000-08-23 上海市钢铁冶金新技术开发应用重点实验室 Technology for forming reductive foam slag in ladle furnace
JP2001181727A (en) * 1999-12-21 2001-07-03 Kawasaki Steel Corp Method for monitoring condition in electric furnace

Also Published As

Publication number Publication date
CN1550558A (en) 2004-12-01
EP1269796A1 (en) 2003-01-02
CN1422509A (en) 2003-06-04
WO2001072090A1 (en) 2001-09-27
KR20030023615A (en) 2003-03-19
CA2402860A1 (en) 2001-09-27
US6544314B2 (en) 2003-04-08
EP1269796A4 (en) 2004-11-24
US20020040623A1 (en) 2002-04-11
HK1055375A1 (en) 2004-01-02
CN1178554C (en) 2004-12-01
CA2402860C (en) 2005-12-06
CN100360689C (en) 2008-01-09
JP2003528217A (en) 2003-09-24

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