GB2340132A - Method and article for introducing denitrogenizing flux into molten metal - Google Patents

Method and article for introducing denitrogenizing flux into molten metal

Info

Publication number
GB2340132A
GB2340132A GB9927865A GB9927865A GB2340132A GB 2340132 A GB2340132 A GB 2340132A GB 9927865 A GB9927865 A GB 9927865A GB 9927865 A GB9927865 A GB 9927865A GB 2340132 A GB2340132 A GB 2340132A
Authority
GB
United Kingdom
Prior art keywords
introducing
article
molten metal
denitrogenizing flux
denitrogenizing
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.)
Withdrawn
Application number
GB9927865A
Other versions
GB9927865D0 (en
Inventor
Peter Zasowski
Rama Bommaraju
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.)
AG Industries Inc Pennsylvania
Original Assignee
AG Industries Inc Pennsylvania
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 AG Industries Inc Pennsylvania filed Critical AG Industries Inc Pennsylvania
Publication of GB9927865D0 publication Critical patent/GB9927865D0/en
Publication of GB2340132A publication Critical patent/GB2340132A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/076—Use of slags or fluxes as treating agents
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/04—Removing impurities other than carbon, phosphorus or sulfur
    • 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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
    • 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
    • F27D3/0025—Charging or loading melting furnaces with material in the solid state
    • F27D3/0026—Introducing additives into 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/18—Charging particulate material using a fluid carrier
GB9927865A 1997-05-30 1999-11-26 Method and article for introducing denitrogenizing flux into molten metal Withdrawn GB2340132A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US86617397A 1997-05-30 1997-05-30
US97977197A 1997-11-26 1997-11-26
PCT/US1998/011528 WO1998054369A1 (en) 1997-05-30 1998-05-29 Method and article for introducing denitrogenizing flux into molten metal

Publications (2)

Publication Number Publication Date
GB9927865D0 GB9927865D0 (en) 2000-01-26
GB2340132A true GB2340132A (en) 2000-02-16

Family

ID=27127935

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9927865A Withdrawn GB2340132A (en) 1997-05-30 1999-11-26 Method and article for introducing denitrogenizing flux into molten metal

Country Status (11)

Country Link
JP (1) JP2002501578A (en)
KR (1) KR20010013178A (en)
CN (1) CN1084793C (en)
AU (1) AU743299B2 (en)
BR (1) BR9809184A (en)
CA (1) CA2292591A1 (en)
DE (1) DE19882438T1 (en)
ES (1) ES2168934B1 (en)
FI (1) FI19992549A (en)
GB (1) GB2340132A (en)
WO (1) WO1998054369A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2422618A (en) * 2005-01-28 2006-08-02 Injection Alloys Ltd Molten metal refining wire
WO2009028924A1 (en) * 2007-08-29 2009-03-05 Jack Victor Nyrup Aguilar Ionising compound serving as an electric arc stabiliser
KR101017482B1 (en) * 2008-09-29 2011-02-25 현대제철 주식회사 Refining method of boron-addes molten steel for thin slab
CN102277467A (en) * 2010-06-09 2011-12-14 鞍钢股份有限公司 Method for denitrifying molten steel in tapping process of converter
CN115418441B (en) * 2022-08-24 2024-02-06 武汉尚圆融信新型材料有限公司 Efficient denitrification agent and denitrification method for converter tapping process

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US34418A (en) * 1862-02-18 Improvement in vegetable and root cutters
US4211553A (en) * 1977-06-21 1980-07-08 Outokumpu Oy Method of refining of melts by means of a pulverous solid material and/or a gas
US4832742A (en) * 1988-05-12 1989-05-23 Metal Research Corporation Flexible refining-agent clad wire for refining molten iron group metal
US4999053A (en) * 1985-04-26 1991-03-12 Mitsui Engineering And Ship Building Co., Ltd. Method of producing an iron-, cobalt- and nickel-base alloy having low contents of sulphur, oxygen and nitrogen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US734418A (en) * 1903-03-30 1903-07-21 John Mcardle Plow.
USRE34418E (en) * 1982-11-23 1993-10-26 Injectall Limited Apparatus and method for introducing substances into liquid metal
US4831742A (en) * 1986-10-15 1989-05-23 Struble James E Contour and outline transducer gage assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US34418A (en) * 1862-02-18 Improvement in vegetable and root cutters
US4211553A (en) * 1977-06-21 1980-07-08 Outokumpu Oy Method of refining of melts by means of a pulverous solid material and/or a gas
US4999053A (en) * 1985-04-26 1991-03-12 Mitsui Engineering And Ship Building Co., Ltd. Method of producing an iron-, cobalt- and nickel-base alloy having low contents of sulphur, oxygen and nitrogen
US4832742A (en) * 1988-05-12 1989-05-23 Metal Research Corporation Flexible refining-agent clad wire for refining molten iron group metal

Also Published As

Publication number Publication date
AU743299B2 (en) 2002-01-24
WO1998054369A1 (en) 1998-12-03
ES2168934A1 (en) 2002-06-16
CN1084793C (en) 2002-05-15
BR9809184A (en) 2000-08-01
CA2292591A1 (en) 1998-12-03
KR20010013178A (en) 2001-02-26
CN1258321A (en) 2000-06-28
DE19882438T1 (en) 2000-06-21
FI19992549A (en) 1999-11-29
AU7723998A (en) 1998-12-30
JP2002501578A (en) 2002-01-15
GB9927865D0 (en) 2000-01-26
ES2168934B1 (en) 2003-11-01

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)