DE69119623D1 - Vorreduktionsofen von einer Anlage zur Schmelzreduktion von Eisenerz - Google Patents

Vorreduktionsofen von einer Anlage zur Schmelzreduktion von Eisenerz

Info

Publication number
DE69119623D1
DE69119623D1 DE69119623T DE69119623T DE69119623D1 DE 69119623 D1 DE69119623 D1 DE 69119623D1 DE 69119623 T DE69119623 T DE 69119623T DE 69119623 T DE69119623 T DE 69119623T DE 69119623 D1 DE69119623 D1 DE 69119623D1
Authority
DE
Germany
Prior art keywords
prereduction
chamber
main body
metal box
iron ore
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 - Fee Related
Application number
DE69119623T
Other languages
English (en)
Other versions
DE69119623T2 (de
Inventor
Masahiro Matsuo
Genji Kanatani
Hitoshi Kawata
Taturou Ariyama
Jirou Mase
Yoshiyuki Kitano
Haruhito Tsuboi
Shinichi Isozaki
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan 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
Priority claimed from JP2044372A external-priority patent/JP2536216B2/ja
Priority claimed from JP2158154A external-priority patent/JPH0826380B2/ja
Priority claimed from JP15815590A external-priority patent/JPH07103411B2/ja
Application filed by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Publication of DE69119623D1 publication Critical patent/DE69119623D1/de
Application granted granted Critical
Publication of DE69119623T2 publication Critical patent/DE69119623T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/44—Fluidisation grids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
DE69119623T 1990-02-27 1991-02-27 Vorreduktionsofen von einer Anlage zur Schmelzreduktion von Eisenerz Expired - Fee Related DE69119623T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2044372A JP2536216B2 (ja) 1990-02-27 1990-02-27 溶融還元設備における予備還元炉の分散盤
JP2158154A JPH0826380B2 (ja) 1990-06-16 1990-06-16 鉄鉱石の溶融還元設備における予備還元炉
JP15815590A JPH07103411B2 (ja) 1990-06-16 1990-06-16 鉄鉱石の溶融還元設備における予備還元炉

Publications (2)

Publication Number Publication Date
DE69119623D1 true DE69119623D1 (de) 1996-06-27
DE69119623T2 DE69119623T2 (de) 1996-10-31

Family

ID=27291870

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69119623T Expired - Fee Related DE69119623T2 (de) 1990-02-27 1991-02-27 Vorreduktionsofen von einer Anlage zur Schmelzreduktion von Eisenerz

Country Status (9)

Country Link
US (1) US5149487A (de)
EP (1) EP0444634B1 (de)
KR (1) KR930009414B1 (de)
AT (1) ATE138417T1 (de)
AU (1) AU636199B2 (de)
BR (1) BR9100772A (de)
CA (1) CA2036972C (de)
DE (1) DE69119623T2 (de)
ES (1) ES2090154T3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2536217B2 (ja) * 1990-02-27 1996-09-18 日本鋼管株式会社 溶融還元設備における予備還元炉の分散盤下面に付着したダストの除去装置
US5129630A (en) * 1990-06-16 1992-07-14 Nkk Corporation Prereduction furnace of a smelting reduction facility of iron ore
US5623582A (en) 1994-07-14 1997-04-22 Immersion Human Interface Corporation Computer interface or control input device for laparoscopic surgical instrument and other elongated mechanical objects
AUPQ535500A0 (en) * 2000-01-31 2000-02-17 Technological Resources Pty Limited Apparatus for injecting gas into a vessel

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2914388A (en) * 1955-02-14 1959-11-24 Phillips Petroleum Co Heat exchanger which forms the sole fluid distribution means in a catalyst regenerator
US3398718A (en) * 1965-03-10 1968-08-27 Atomic Energy Commission Usa Fluidized-bed coating apparatus
GB1346168A (en) * 1970-03-23 1974-02-06 Exxon Research Engineering Co Fluid distribution in vessels fluid flow control valve
AU5859073A (en) * 1972-08-09 1975-01-30 Edward George Stanley Thyer Fluo plate
AU527811B2 (en) * 1977-12-23 1983-03-24 West's (Australasia) Ltd Fluidising plate
GB2049894B (en) * 1979-05-24 1983-09-07 Junger & Grater Gmbh & Co Kg Tuyere base construction
GB2073041B (en) * 1980-04-03 1983-11-23 Coal Industry Patents Ltd Fluidised bed distributor plates
JPS59104410A (ja) * 1982-12-03 1984-06-16 Kawasaki Steel Corp 流動層予備還元炉
AU596758B2 (en) * 1987-11-13 1990-05-10 Jp Steel Plantech Co. Metal-making apparatus involving the smelting reduction of metallic oxides
JP2536217B2 (ja) * 1990-02-27 1996-09-18 日本鋼管株式会社 溶融還元設備における予備還元炉の分散盤下面に付着したダストの除去装置

Also Published As

Publication number Publication date
CA2036972C (en) 1994-12-27
US5149487A (en) 1992-09-22
EP0444634A3 (en) 1992-02-26
ES2090154T3 (es) 1996-10-16
KR910021488A (ko) 1991-12-20
AU636199B2 (en) 1993-04-22
EP0444634A2 (de) 1991-09-04
AU7121791A (en) 1991-08-29
BR9100772A (pt) 1991-10-29
ATE138417T1 (de) 1996-06-15
EP0444634B1 (de) 1996-05-22
DE69119623T2 (de) 1996-10-31
KR930009414B1 (ko) 1993-10-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee