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CA1063835A - Method and apparatus for continuous passivation of sponge iron material - Google Patents

Method and apparatus for continuous passivation of sponge iron material

Info

Publication number
CA1063835A
CA1063835A CA252,920A CA252920A CA1063835A CA 1063835 A CA1063835 A CA 1063835A CA 252920 A CA252920 A CA 252920A CA 1063835 A CA1063835 A CA 1063835A
Authority
CA
Canada
Prior art keywords
sponge iron
metal
iron
rolls
particulate
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
CA252,920A
Other languages
English (en)
French (fr)
Inventor
Wolfgang B. Pietsch
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.)
Midrex Corp
Original Assignee
Midrex Corp
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 Midrex Corp filed Critical Midrex Corp
Application granted granted Critical
Publication of CA1063835A publication Critical patent/CA1063835A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/18—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using profiled rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/148—Agglomerating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30—Feeding material to presses
    • B30B15/302—Feeding material in particulate or plastic state to moulding presses
    • B30B15/308—Feeding material in particulate or plastic state to moulding presses in a continuous manner, e.g. for roller presses, screw extrusion presses
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0086—Conditioning, transformation of reduced iron ores
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0086—Conditioning, transformation of reduced iron ores
    • C21B13/0093—Protecting against oxidation
    • 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
    • C22B1/24—Binding; Briquetting ; Granulating

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Manufacture Of Iron (AREA)
  • Powder Metallurgy (AREA)
CA252,920A 1975-06-05 1976-05-20 Method and apparatus for continuous passivation of sponge iron material Expired CA1063835A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58418475A 1975-06-05 1975-06-05

Publications (1)

Publication Number Publication Date
CA1063835A true CA1063835A (en) 1979-10-09

Family

ID=24336244

Family Applications (2)

Application Number Title Priority Date Filing Date
CA252,920A Expired CA1063835A (en) 1975-06-05 1976-05-20 Method and apparatus for continuous passivation of sponge iron material
CA313,551A Expired CA1062428A (en) 1975-06-05 1978-10-17 Method and apparatus for continuous passivation of sponge iron material

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA313,551A Expired CA1062428A (en) 1975-06-05 1978-10-17 Method and apparatus for continuous passivation of sponge iron material

Country Status (12)

Country Link
JP (1) JPS51148610A (de)
AR (1) AR208785A1 (de)
AU (1) AU501229B2 (de)
BR (1) BR7603290A (de)
CA (2) CA1063835A (de)
DE (1) DE2625223C3 (de)
EG (1) EG12017A (de)
FR (1) FR2313450A1 (de)
GB (1) GB1504088A (de)
KE (1) KE3139A (de)
MY (1) MY8100378A (de)
ZA (1) ZA762594B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2852964A1 (de) * 1978-12-07 1980-06-26 Krupp Polysius Ag Verfahren und anlage zur reduktion von erzen
JPS55119116A (en) * 1979-03-02 1980-09-12 Agency Of Ind Science & Technol Preventive method for re-oxidation of reduced iron powder and its device
JPS56160900A (en) * 1980-05-16 1981-12-10 Mitsubishi Heavy Ind Ltd Briquette machine
DE3509616C2 (de) * 1985-02-27 1987-04-30 Korf Engineering GmbH, 4000 Düsseldorf Verfahren zum Kompaktieren von Eisenpartikeln und nachfolgendem Auseinanderbrechen des kompaktierten Eisenbandes und Vorrichtung zur Durchführung dieses Verfahrens
DE3732351A1 (de) * 1987-09-25 1989-04-06 Metallgesellschaft Ag Verfahren zur herstellung von bindemittellosen briketts aus stahlwerksstaeuben
AT404361B (de) * 1995-01-23 1998-11-25 Voest Alpine Ind Anlagen Verfahren und vorrichtung zum abkühlen von heissem eisenschwamm
DE10156735C2 (de) * 2001-11-19 2003-10-30 Koeppern & Co Kg Maschf Verfahren zum Heißgranulieren von metallhaltigen Stoffpartikeln, wie Eisenschwamm, Hüttenstäube, Hüttenreststoffe etc.
US7622071B2 (en) * 2004-10-19 2009-11-24 Posco Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same
DE102005006492A1 (de) * 2005-02-12 2006-08-24 S&B Industrial Minerals Gmbh Verfahren und Vorrichtung zur Herstellung quellfähiger Grobkörner
KR101429643B1 (ko) * 2012-12-07 2014-08-13 주식회사 포스코 판상 hbi 입자 분리 장치
JP5971141B2 (ja) * 2013-02-01 2016-08-17 新東工業株式会社 ブリケットマシン
CN109093107B (zh) * 2018-08-27 2021-11-02 陕西安康三航纳米科技股份有限公司 一种回转式超细/纳米粉体钝化装置
RU2735086C1 (ru) * 2020-04-03 2020-10-28 Федеральное государственное бюджетное образовательное учреждение высшего образования "Алтайский государственный аграрный университет" (ФГБОУ ВО Алтайский ГАУ) Валковый пресс для гранулирования
CN114230215A (zh) * 2021-12-09 2022-03-25 南京广兰建材科技有限公司 一种利用生产废水生产混凝土的制备方法
DE102022101419A1 (de) * 2022-01-21 2023-07-27 Maschinenfabrik Köppern Gmbh & Co. Kg Vorrichtung zum Zerteilen eines Brikettstrangs

Also Published As

Publication number Publication date
DE2625223C3 (de) 1981-03-19
JPS563881B2 (de) 1981-01-27
AU1357376A (en) 1977-11-10
CA1062428A (en) 1979-09-18
FR2313450B3 (de) 1979-02-23
ZA762594B (en) 1977-04-27
AU501229B2 (en) 1979-06-14
FR2313450A1 (fr) 1976-12-31
MY8100378A (en) 1981-12-31
JPS51148610A (en) 1976-12-21
EG12017A (en) 1978-06-30
AR208785A1 (es) 1977-02-28
BR7603290A (pt) 1977-02-15
DE2625223B2 (de) 1980-07-31
KE3139A (en) 1981-07-24
DE2625223A1 (de) 1976-12-09
GB1504088A (en) 1978-03-15

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