CN1084793C - 用于将脱氮助熔剂引入熔融金属的方法和制品及脱氮方法 - Google Patents

用于将脱氮助熔剂引入熔融金属的方法和制品及脱氮方法 Download PDF

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Publication number
CN1084793C
CN1084793C CN98805650A CN98805650A CN1084793C CN 1084793 C CN1084793 C CN 1084793C CN 98805650 A CN98805650 A CN 98805650A CN 98805650 A CN98805650 A CN 98805650A CN 1084793 C CN1084793 C CN 1084793C
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CN
China
Prior art keywords
molten metal
metal
fusing assistant
denitrogenizing
silicate
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 - Fee Related
Application number
CN98805650A
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English (en)
Chinese (zh)
Other versions
CN1258321A (zh
Inventor
彼得·泽索斯基
拉玛·波玛瑞珠
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 CN1258321A publication Critical patent/CN1258321A/zh
Application granted granted Critical
Publication of CN1084793C publication Critical patent/CN1084793C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Furnace Charging Or Discharging (AREA)
CN98805650A 1997-05-30 1998-05-29 用于将脱氮助熔剂引入熔融金属的方法和制品及脱氮方法 Expired - Fee Related CN1084793C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US86617397A 1997-05-30 1997-05-30
US08/866,173 1997-05-30
US97977197A 1997-11-26 1997-11-26
US08/979,771 1997-11-26

Publications (2)

Publication Number Publication Date
CN1258321A CN1258321A (zh) 2000-06-28
CN1084793C true CN1084793C (zh) 2002-05-15

Family

ID=27127935

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98805650A Expired - Fee Related CN1084793C (zh) 1997-05-30 1998-05-29 用于将脱氮助熔剂引入熔融金属的方法和制品及脱氮方法

Country Status (11)

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

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 (es) * 2007-08-29 2009-03-05 Jack Victor Nyrup Aguilar Compuesto ionizante estabilizador del arco eléctrico
KR101017482B1 (ko) * 2008-09-29 2011-02-25 현대제철 주식회사 박슬라브 주조용 보론 첨가 용강의 정련방법
CN102277467A (zh) * 2010-06-09 2011-12-14 鞍钢股份有限公司 一种转炉出钢过程钢水脱氮的方法
CN115418441B (zh) * 2022-08-24 2024-02-06 武汉尚圆融信新型材料有限公司 转炉出钢过程的高效脱氮剂及其脱氮方法

Citations (5)

* 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.
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
US4831742A (en) * 1986-10-15 1989-05-23 Struble James E Contour and outline transducer gage assembly
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
USRE34418E (en) * 1982-11-23 1993-10-26 Injectall Limited Apparatus and method for introducing substances into liquid metal

Family Cites Families (2)

* 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
US4832742A (en) * 1988-05-12 1989-05-23 Metal Research Corporation Flexible refining-agent clad wire for refining molten iron group metal

Patent Citations (5)

* 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.
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
USRE34418E (en) * 1982-11-23 1993-10-26 Injectall Limited Apparatus and method for introducing substances into liquid 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
US4831742A (en) * 1986-10-15 1989-05-23 Struble James E Contour and outline transducer gage assembly

Also Published As

Publication number Publication date
KR20010013178A (ko) 2001-02-26
ES2168934B1 (es) 2003-11-01
BR9809184A (pt) 2000-08-01
GB2340132A (en) 2000-02-16
AU7723998A (en) 1998-12-30
FI19992549A (fi) 1999-11-29
JP2002501578A (ja) 2002-01-15
DE19882438T1 (de) 2000-06-21
ES2168934A1 (es) 2002-06-16
CN1258321A (zh) 2000-06-28
AU743299B2 (en) 2002-01-24
WO1998054369A1 (en) 1998-12-03
CA2292591A1 (en) 1998-12-03
GB9927865D0 (en) 2000-01-26

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