EP2039788A4 - Dephosphorization method in the process of smelting ni-cr pig iron from a nickel oxide ore - Google Patents

Dephosphorization method in the process of smelting ni-cr pig iron from a nickel oxide ore

Info

Publication number
EP2039788A4
EP2039788A4 EP06775350A EP06775350A EP2039788A4 EP 2039788 A4 EP2039788 A4 EP 2039788A4 EP 06775350 A EP06775350 A EP 06775350A EP 06775350 A EP06775350 A EP 06775350A EP 2039788 A4 EP2039788 A4 EP 2039788A4
Authority
EP
European Patent Office
Prior art keywords
smelting
nickel oxide
pig iron
oxide ore
dephosphorization method
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Withdrawn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
EP06775350A
Other languages
German (de)
French (fr)
Other versions
EP2039788A1 (en
Inventor
Guanghuo Liu
Shenjie Liu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2039788A1 publication Critical patent/EP2039788A1/en
Publication of EP2039788A4 publication Critical patent/EP2039788A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/16—Sintering; Agglomerating
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/006—Starting from ores containing non ferrous metallic oxides
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/008—Use of special additives or fluxing agents
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/005—Preliminary treatment of ores, e.g. by roasting or by the Krupp-Renn process
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/02—Obtaining nickel or cobalt by dry processes
    • C22B23/023—Obtaining nickel or cobalt by dry processes with formation of ferro-nickel or ferro-cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP06775350A 2006-07-12 2006-08-11 Dephosphorization method in the process of smelting ni-cr pig iron from a nickel oxide ore Withdrawn EP2039788A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNA2006100987413A CN101020943A (en) 2006-07-12 2006-07-12 Phosphorus reducing method for process of smelting Ni-Cr pig iron with nickel oxide ore
PCT/CN2006/002032 WO2008009178A1 (en) 2006-07-12 2006-08-11 Dephosphorization method in the process of smelting ni-cr pig iron from a nickel oxide ore

Publications (2)

Publication Number Publication Date
EP2039788A1 EP2039788A1 (en) 2009-03-25
EP2039788A4 true EP2039788A4 (en) 2011-02-23

Family

ID=38708821

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06775350A Withdrawn EP2039788A4 (en) 2006-07-12 2006-08-11 Dephosphorization method in the process of smelting ni-cr pig iron from a nickel oxide ore

Country Status (3)

Country Link
EP (1) EP2039788A4 (en)
CN (1) CN101020943A (en)
WO (1) WO2008009178A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100532579C (en) * 2007-04-30 2009-08-26 郑州永通特钢有限公司 Method for smelting base material of low phosphorous stainless steel by using low-grade limonite containing nickel-chromium
CN102312033A (en) * 2011-07-28 2012-01-11 山西太钢不锈钢股份有限公司 Dephosphorization method of high-phosphorous chromium-nickel pig iron
CN104152676B (en) * 2014-07-25 2016-04-06 中南大学 A kind of Iron Ore Matching in Sintering method of red soil nickel ore
CN104561736A (en) * 2014-12-29 2015-04-29 芜湖国鼎机械制造有限公司 High-strength gray cast iron, casting and preparation method of high-strength gray cast iron
CN104946832B (en) * 2015-06-29 2017-07-28 中冶京诚工程技术有限公司 Method for producing nickel-containing molten iron by using laterite-nickel ore
CN109251779B (en) * 2018-09-30 2021-09-17 柳州钢铁股份有限公司 NOx emission reduction method based on modified fuel iron ore sintering process

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2157412C1 (en) * 1999-04-19 2000-10-10 ЗАО "Научно-производственное предприятие ФАН" Method of production of blast-furnace ferronickel

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5458611A (en) * 1977-10-19 1979-05-11 Kobe Steel Ltd Manufacture of sintered ore
JPS61159536A (en) * 1984-12-29 1986-07-19 Kobe Steel Ltd High tio2 iron ore pellet
CN85101003B (en) 1985-04-01 1988-08-24 冶金工业部钢铁研究总院 Dephosphorization process of low-phosphorus high-chromium stainless steel and ultralow-phosphorus high-chromium stainless steel
SU1696564A1 (en) * 1989-12-19 1991-12-07 Днепропетровский Металлургический Институт Charge for producing ferronickel
CN1045111C (en) * 1996-03-18 1999-09-15 安阳钢铁集团有限责任公司 Method for making quicklime iron concentrate briquette agglomerate
RU2132400C1 (en) * 1998-09-03 1999-06-27 Открытое акционерное общество "Серовский металлургический завод" Method of processing oxidized nickel ores
DE10215828B4 (en) 2002-04-10 2007-08-02 Sms Demag Ag Method and device for producing stainless steel, in particular chromium- or chromium-nickel-containing stainless steel
CN1670224A (en) 2004-03-15 2005-09-21 中国科学院金属研究所 Stainless steel dephosphorization agent under reducing atmosphere
CN1300352C (en) * 2005-09-16 2007-02-14 刘沈杰 Nickel-iron smelting process from nickel oxide ore containing crystal water through blast furnace

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2157412C1 (en) * 1999-04-19 2000-10-10 ЗАО "Научно-производственное предприятие ФАН" Method of production of blast-furnace ferronickel

Also Published As

Publication number Publication date
EP2039788A1 (en) 2009-03-25
CN101020943A (en) 2007-08-22
WO2008009178A1 (en) 2008-01-24

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