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FR2313450A1 - METHOD AND APPARATUS FOR THE CONTINUOUS PASSIVATION OF IRON SPONGE - Google Patents

METHOD AND APPARATUS FOR THE CONTINUOUS PASSIVATION OF IRON SPONGE

Info

Publication number
FR2313450A1
FR2313450A1 FR7616767A FR7616767A FR2313450A1 FR 2313450 A1 FR2313450 A1 FR 2313450A1 FR 7616767 A FR7616767 A FR 7616767A FR 7616767 A FR7616767 A FR 7616767A FR 2313450 A1 FR2313450 A1 FR 2313450A1
Authority
FR
France
Prior art keywords
iron sponge
continuous passivation
passivation
continuous
sponge
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.)
Granted
Application number
FR7616767A
Other languages
French (fr)
Other versions
FR2313450B3 (en
Inventor
Wolfgang Bernhard 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
Publication of FR2313450A1 publication Critical patent/FR2313450A1/en
Application granted granted Critical
Publication of FR2313450B3 publication Critical patent/FR2313450B3/fr
Granted 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)
  • Powder Metallurgy (AREA)
  • Manufacture Of Iron (AREA)
FR7616767A 1975-06-05 1976-06-03 METHOD AND APPARATUS FOR THE CONTINUOUS PASSIVATION OF IRON SPONGE Granted FR2313450A1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2313450A1 true FR2313450A1 (en) 1976-12-31
FR2313450B3 FR2313450B3 (en) 1979-02-23

Family

ID=24336244

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7616767A Granted FR2313450A1 (en) 1975-06-05 1976-06-03 METHOD AND APPARATUS FOR THE CONTINUOUS PASSIVATION OF IRON SPONGE

Country Status (12)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0309016A1 (en) * 1987-09-25 1989-03-29 Metallgesellschaft Ag Process for making briquettes without binders, from steel plant dusts

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2852964A1 (en) * 1978-12-07 1980-06-26 Krupp Polysius Ag METHOD AND SYSTEM FOR REDUCING ORES
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 (en) * 1985-02-27 1987-04-30 Korf Engineering GmbH, 4000 Düsseldorf Method for compacting iron particles and subsequent breaking apart of the compacted iron strip and device for carrying out this method
AT404361B (en) * 1995-01-23 1998-11-25 Voest Alpine Ind Anlagen METHOD AND DEVICE FOR COOLING HOT IRON SPONGE
DE10156735C2 (en) * 2001-11-19 2003-10-30 Koeppern & Co Kg Maschf Process for the hot granulation of metal-containing material particles, such as sponge iron, metallurgical dust, metallurgical residues etc.
AU2005296406B2 (en) * 2004-10-19 2009-12-10 Posco Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same
DE102005006492A1 (en) * 2005-02-12 2006-08-24 S&B Industrial Minerals Gmbh Process and apparatus for producing swellable coarse grains
KR101429643B1 (en) * 2012-12-07 2014-08-13 주식회사 포스코 Apparatus for separating plate-shaped hbi particles
JP5971141B2 (en) * 2013-02-01 2016-08-17 新東工業株式会社 Briquette machine
CN109093107B (en) * 2018-08-27 2021-11-02 陕西安康三航纳米科技股份有限公司 Rotary superfine/nano powder passivation device
RU2735086C1 (en) * 2020-04-03 2020-10-28 Федеральное государственное бюджетное образовательное учреждение высшего образования "Алтайский государственный аграрный университет" (ФГБОУ ВО Алтайский ГАУ) Pelletizing roller press
CN114230215A (en) * 2021-12-09 2022-03-25 南京广兰建材科技有限公司 Preparation method for producing concrete by using production wastewater
DE102022101419A1 (en) * 2022-01-21 2023-07-27 Maschinenfabrik Köppern Gmbh & Co. Kg Device for cutting up a strand of briquettes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0309016A1 (en) * 1987-09-25 1989-03-29 Metallgesellschaft Ag Process for making briquettes without binders, from steel plant dusts

Also Published As

Publication number Publication date
DE2625223A1 (en) 1976-12-09
JPS51148610A (en) 1976-12-21
AR208785A1 (en) 1977-02-28
MY8100378A (en) 1981-12-31
JPS563881B2 (en) 1981-01-27
DE2625223C3 (en) 1981-03-19
KE3139A (en) 1981-07-24
ZA762594B (en) 1977-04-27
CA1062428A (en) 1979-09-18
DE2625223B2 (en) 1980-07-31
BR7603290A (en) 1977-02-15
CA1063835A (en) 1979-10-09
EG12017A (en) 1978-06-30
GB1504088A (en) 1978-03-15
FR2313450B3 (en) 1979-02-23
AU501229B2 (en) 1979-06-14
AU1357376A (en) 1977-11-10

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