ES8406553A1 - Procedimiento para la reduccion al minimo de la descomposicion de minerales de hierro y aglomerados de mineral de hierro en forma de lecho de fusion de alto horno - Google Patents

Procedimiento para la reduccion al minimo de la descomposicion de minerales de hierro y aglomerados de mineral de hierro en forma de lecho de fusion de alto horno

Info

Publication number
ES8406553A1
ES8406553A1 ES527198A ES527198A ES8406553A1 ES 8406553 A1 ES8406553 A1 ES 8406553A1 ES 527198 A ES527198 A ES 527198A ES 527198 A ES527198 A ES 527198A ES 8406553 A1 ES8406553 A1 ES 8406553A1
Authority
ES
Spain
Prior art keywords
iron
concentration
minimizing
blast furnace
solution
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
Application number
ES527198A
Other languages
English (en)
Other versions
ES527198A0 (es
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.)
Studiengesellschaft fuer Eisenerzaufbereitung
Original Assignee
Studiengesellschaft fuer Eisenerzaufbereitung
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 Studiengesellschaft fuer Eisenerzaufbereitung filed Critical Studiengesellschaft fuer Eisenerzaufbereitung
Publication of ES8406553A1 publication Critical patent/ES8406553A1/es
Publication of ES527198A0 publication Critical patent/ES527198A0/es
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/008—Composition or distribution of the charge
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

PROCEDIMIENTO PARA LA REDUCCION AL MINIMO DE LA DESCOMPOSICION DE MINERALES DE HIERRO Y AGLOMERADOS DE MINERAL DE HIERRO EN FORMA DE LECHO DE FUSION DE ALTO HORNO.LOS AGLOMERADOS DE MINERAL DE HIERRO DESPUES DE SU ENDURECIMIENTO Y ANTES DEL PROCESO SIDERURGICO ASI COMO EL MINERAL DE HIERRO ANTES DE SU FUNDICION EMPLEANDOLO EN EL HORNO ALTO CON REACTIVOS, QUE IMPIDEN SUSTANCIALMENTE UNA DESTRUCCION DE LA GRANULACION DURANTE LA REDUCCION EN EL MARGEN DE TEMPERATURA ENTRE 400JC Y 600JC Y LOS REACTIVOS USADOS SE PRESENTAN EN FORMA DE SOLUCIONES QUE CONTIENEN HALOGENOS.
ES527198A 1982-11-13 1983-11-11 Procedimiento para la reduccion al minimo de la descomposicion de minerales de hierro y aglomerados de mineral de hierro en forma de lecho de fusion de alto horno Granted ES527198A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3242086A DE3242086C2 (de) 1982-11-13 1982-11-13 Verfahren zur Minimierung des Reduktionszerfalls von Eisenerzen und Eisenerzagglomeraten als Hochofenmöller

Publications (2)

Publication Number Publication Date
ES8406553A1 true ES8406553A1 (es) 1984-08-01
ES527198A0 ES527198A0 (es) 1984-08-01

Family

ID=6178097

Family Applications (1)

Application Number Title Priority Date Filing Date
ES527198A Granted ES527198A0 (es) 1982-11-13 1983-11-11 Procedimiento para la reduccion al minimo de la descomposicion de minerales de hierro y aglomerados de mineral de hierro en forma de lecho de fusion de alto horno

Country Status (12)

Country Link
US (1) US4695315A (es)
EP (1) EP0125305B1 (es)
JP (1) JPS59502070A (es)
KR (1) KR890002650B1 (es)
AU (1) AU564541B2 (es)
CA (1) CA1220343A (es)
DE (1) DE3242086C2 (es)
ES (1) ES527198A0 (es)
MX (1) MX161658A (es)
NO (1) NO158465C (es)
WO (1) WO1984001963A2 (es)
ZA (1) ZA838408B (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3733480C1 (de) * 1987-07-30 1989-01-19 Mannesmann Ag Verfahren zur Verringerung des Kornzerfalls
US5372628A (en) * 1993-09-10 1994-12-13 Akzo N.V. Method for producing reducible iron-containing material having less clustering during direct reduction and products thereof
US5476532A (en) * 1993-09-10 1995-12-19 Akzo Nobel N.V. Method for producing reducible iron-containing material having less clustering during direct reduction and products thereof
KR100426233B1 (ko) * 1999-12-08 2004-04-08 주식회사 포스코 소결광의 환원분화지수 개선장치
JP5366069B2 (ja) * 2008-03-26 2013-12-11 パウダーテック株式会社 フェライト粒子及びその製造方法
JP5546675B1 (ja) * 2012-12-07 2014-07-09 新日鉄住金エンジニアリング株式会社 高炉の操業方法及び溶銑の製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE289727C (es) *
US2771355A (en) * 1954-12-06 1956-11-20 Cohen Harry Agglomerating ores in the blast furnace
US2888341A (en) * 1956-10-12 1959-05-26 Dow Chemical Co Method of treating particulate iron ore
US3062639A (en) * 1959-07-21 1962-11-06 Kellogg M W Co Treatment of iron-containing materials
BE677083A (es) * 1966-02-25 1966-08-25
US3615342A (en) * 1969-08-27 1971-10-26 Bethlehem Steel Corp Process for producing iron ore pellets of low alkali content and containing flux material
US3975182A (en) * 1973-08-09 1976-08-17 United States Steel Corporation Pellets useful in shaft furnace direct reduction and method of making same

Also Published As

Publication number Publication date
MX161658A (es) 1990-12-05
DE3242086A1 (de) 1984-05-17
KR890002650B1 (ko) 1989-07-22
NO158465C (no) 1989-11-22
NO158465B (no) 1988-06-06
EP0125305A1 (de) 1984-11-21
CA1220343A (en) 1987-04-14
US4695315A (en) 1987-09-22
WO1984001963A3 (fr) 1984-06-21
KR840006504A (ko) 1984-11-30
WO1984001963A2 (en) 1984-05-24
ZA838408B (en) 1984-07-25
AU564541B2 (en) 1987-08-13
JPS59502070A (ja) 1984-12-13
NO834120L (no) 1984-05-14
DE3242086C2 (de) 1984-09-06
ES527198A0 (es) 1984-08-01
EP0125305B1 (de) 1987-06-10
AU2343584A (en) 1984-06-04

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971001