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EP1781829A4 - APPARATUS FOR MANUFACTURING COMPACT IRON OF REDUCED MATERIALS COMPRISING FINE DIRECT REDUCTION IRON AND APPARATUS FOR MANUFACTURING MOLTEN IRON USING THE FIRST - Google Patents

APPARATUS FOR MANUFACTURING COMPACT IRON OF REDUCED MATERIALS COMPRISING FINE DIRECT REDUCTION IRON AND APPARATUS FOR MANUFACTURING MOLTEN IRON USING THE FIRST

Info

Publication number
EP1781829A4
EP1781829A4 EP05761282A EP05761282A EP1781829A4 EP 1781829 A4 EP1781829 A4 EP 1781829A4 EP 05761282 A EP05761282 A EP 05761282A EP 05761282 A EP05761282 A EP 05761282A EP 1781829 A4 EP1781829 A4 EP 1781829A4
Authority
EP
European Patent Office
Prior art keywords
iron
manufacturing
irons
couple
reduced materials
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
EP05761282A
Other languages
German (de)
French (fr)
Other versions
EP1781829B1 (en
EP1781829B8 (en
EP1781829A1 (en
Inventor
Do-Seung Kim
Il-Hyun Cho
Min-Chul Park
Kwang-Hee Lee
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.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP1781829A1 publication Critical patent/EP1781829A1/en
Publication of EP1781829A4 publication Critical patent/EP1781829A4/en
Publication of EP1781829B1 publication Critical patent/EP1781829B1/en
Application granted granted Critical
Publication of EP1781829B8 publication Critical patent/EP1781829B8/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • 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
    • 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
    • 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
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
    • C21B13/002—Reduction of iron ores by passing through a heated column of carbon
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/248—Binding; Briquetting ; Granulating of metal scrap or alloys

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture Of Iron (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Continuous Casting (AREA)

Abstract

The present invention relates to an apparatus for manufacturing compacted irons and an apparatus for manufacturing molten irons using the same. For this, the apparatus for manufacturing compacted irons according to the present invention includes a couple of rolls and a roll casing. The couple of rolls compress reduced materials containing fine reduced irons, manufacture the compacted irons, and form a gap by being separated from each other. The roll casing is located outside of the couple of rolls and has at least one opening. Sealing plates are attached to an inner surface and an outer surface at the opening of the roll casing, respectively. A sliding tube, both ends of which the sealing plates are fixedly combined with, is closely adhered to a penetrating member penetrating the opening. According to the above present invention, it is possible to manufacture compacted irons having good quality.
EP05761282A 2004-07-16 2005-07-15 Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same. Expired - Lifetime EP1781829B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040055557A KR101036645B1 (en) 2004-07-16 2004-07-16 Apparatus for producing compacted iron of reduced reducing iron containing reduced iron and apparatus for manufacturing molten iron using the same
PCT/KR2005/002281 WO2006009371A1 (en) 2004-07-16 2005-07-15 Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same.

Publications (4)

Publication Number Publication Date
EP1781829A1 EP1781829A1 (en) 2007-05-09
EP1781829A4 true EP1781829A4 (en) 2008-05-21
EP1781829B1 EP1781829B1 (en) 2009-06-03
EP1781829B8 EP1781829B8 (en) 2009-11-25

Family

ID=35785444

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05761282A Expired - Lifetime EP1781829B8 (en) 2004-07-16 2005-07-15 Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same.

Country Status (8)

Country Link
EP (1) EP1781829B8 (en)
KR (1) KR101036645B1 (en)
CN (1) CN100529119C (en)
AT (1) ATE432998T1 (en)
BR (1) BRPI0506141B1 (en)
DE (1) DE602005014784D1 (en)
WO (1) WO2006009371A1 (en)
ZA (1) ZA200601409B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100711764B1 (en) * 2005-07-11 2007-04-25 주식회사 포스코 Apparatus for producing compacted iron containing reduced-ring iron and apparatus for manufacturing molten iron having same
KR100797865B1 (en) * 2006-12-20 2008-01-24 주식회사 포스코 Apparatus for producing compacted iron containing reduced-ring iron and apparatus for manufacturing molten iron having same
KR101424609B1 (en) * 2012-06-27 2014-07-31 주식회사 포스코 Hot compacted iron machine
KR101527555B1 (en) * 2013-10-25 2015-06-09 주식회사 포스코 Hci compacting machine and cheek plate for the same
CN117774430B (en) * 2023-12-12 2024-05-07 广东泛瑞新材料有限公司 Raw material treatment device for ferrite processing

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4033559A (en) * 1975-06-05 1977-07-05 Midrex Corporation Apparatus for continuous passivation of sponge iron material
JPS62228434A (en) * 1986-03-29 1987-10-07 Nippon Steel Corp Method for briquetting reduced iron or prereduced ore
WO2003056039A1 (en) * 2001-12-21 2003-07-10 Posco An apparatus and method for recycling dust and sludge containing iron in ironmaking process using coal and fine ore

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59170212A (en) * 1983-03-16 1984-09-26 Nippon Steel Corp Method for manufacturing reduced iron briquettes
JPH01252714A (en) 1988-03-31 1989-10-09 Nippon Steel Corp Mixed agglomerating briquette for smelting reduction furnace and smelting reduction method for mixed agglomerating briquette
JPH059526A (en) * 1991-06-27 1993-01-19 Mitsubishi Heavy Ind Ltd Device for producing pig iron
JP3145834B2 (en) * 1993-03-08 2001-03-12 株式会社神戸製鋼所 Method for producing reduced iron briquettes
WO1995009080A1 (en) * 1993-09-30 1995-04-06 Maschinenfabrik Köppern Gmbh & Co. Kg Process for producing sponge iron briquettes from fine ore
DE9318843U1 (en) * 1993-12-08 1994-03-17 Maschinenfabrik Köppern GmbH & Co KG, 45529 Hattingen Device for hot briquetting iron sponge
CN2504444Y (en) * 2001-10-16 2002-08-07 马鞍山钢铁股份有限公司 Toothed rool sealing device of verticle furnace toothed blowdown machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4033559A (en) * 1975-06-05 1977-07-05 Midrex Corporation Apparatus for continuous passivation of sponge iron material
JPS62228434A (en) * 1986-03-29 1987-10-07 Nippon Steel Corp Method for briquetting reduced iron or prereduced ore
WO2003056039A1 (en) * 2001-12-21 2003-07-10 Posco An apparatus and method for recycling dust and sludge containing iron in ironmaking process using coal and fine ore

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 197650, Derwent World Patents Index; AN 1976-L8905X, XP002475902 *

Also Published As

Publication number Publication date
EP1781829B1 (en) 2009-06-03
WO2006009371A1 (en) 2006-01-26
KR101036645B1 (en) 2011-05-24
CN1842607A (en) 2006-10-04
ZA200601409B (en) 2007-05-30
BRPI0506141A (en) 2006-10-24
DE602005014784D1 (en) 2009-07-16
EP1781829B8 (en) 2009-11-25
BRPI0506141B1 (en) 2014-04-15
EP1781829A1 (en) 2007-05-09
ATE432998T1 (en) 2009-06-15
CN100529119C (en) 2009-08-19
KR20060006494A (en) 2006-01-19

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