DE69100666T2 - Vorreduktionsofen von einer Anlage zur Schmelzreduktion von Eisenerz. - Google Patents

Vorreduktionsofen von einer Anlage zur Schmelzreduktion von Eisenerz.

Info

Publication number
DE69100666T2
DE69100666T2 DE91102826T DE69100666T DE69100666T2 DE 69100666 T2 DE69100666 T2 DE 69100666T2 DE 91102826 T DE91102826 T DE 91102826T DE 69100666 T DE69100666 T DE 69100666T DE 69100666 T2 DE69100666 T2 DE 69100666T2
Authority
DE
Germany
Prior art keywords
prereduction
distributor
chamber
gas
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
DE91102826T
Other languages
English (en)
Other versions
DE69100666D1 (de
Inventor
Masahiro Matsuo
Genji Kanatani
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
Application filed by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Publication of DE69100666D1 publication Critical patent/DE69100666D1/de
Application granted granted Critical
Publication of DE69100666T2 publication Critical patent/DE69100666T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
    • C22B5/14—Dry methods smelting of sulfides or formation of mattes by gases fluidised material
    • 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
    • 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

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)
  • Mechanical Engineering (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
DE91102826T 1990-02-27 1991-02-26 Vorreduktionsofen von einer Anlage zur Schmelzreduktion von Eisenerz. Expired - Fee Related DE69100666T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2044373A JP2536217B2 (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下面に付着したダストの除去装置

Publications (2)

Publication Number Publication Date
DE69100666D1 DE69100666D1 (de) 1994-01-05
DE69100666T2 true DE69100666T2 (de) 1994-04-28

Family

ID=12689706

Family Applications (1)

Application Number Title Priority Date Filing Date
DE91102826T Expired - Fee Related DE69100666T2 (de) 1990-02-27 1991-02-26 Vorreduktionsofen von einer Anlage zur Schmelzreduktion von Eisenerz.

Country Status (11)

Country Link
US (1) US5149062A (de)
EP (1) EP0444614B1 (de)
JP (1) JP2536217B2 (de)
KR (1) KR930009413B1 (de)
CN (1) CN1022573C (de)
AT (1) ATE97696T1 (de)
AU (1) AU617065B2 (de)
BR (1) BR9100773A (de)
CA (1) CA2036916C (de)
DE (1) DE69100666T2 (de)
ZA (1) ZA911348B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5149487A (en) * 1990-02-27 1992-09-22 Nkk Corporation Prereduction furnace of a smelting reduction facility of iron ore
US5129630A (en) * 1990-06-16 1992-07-14 Nkk Corporation Prereduction furnace of a smelting reduction facility of iron ore
KR100332927B1 (ko) * 1999-12-23 2002-04-20 이구택 유동환원로의 백업가스 공급장치
AT408233B (de) * 2000-01-20 2001-09-25 Voest Alpine Ind Anlagen Wirbelbettaggregat und verfahren zur reduktion von oxidhältigem material
CA2341772C (en) * 2001-03-22 2009-09-29 Hatch Associates Ltd. Transfer of hot feed materials from a preprocessing plant to an electric smelting or melting furnace
KR100542546B1 (ko) * 2004-05-07 2006-01-11 조선내화 주식회사 분철광석의 환원을 위한 유동층 환원로의 분산판 지지용지주대 구조
PL2892093T3 (pl) * 2012-08-29 2018-08-31 Nippon Power Graphite Company, Limited Urządzenie do wytwarzania materiału węglowego na elektrody ujemne i sposobu wytwarzania materiału węglowego na elektrody ujemne z użyciem tego urządzenia
US10518238B2 (en) * 2013-03-15 2019-12-31 Synthesis Energy Systems, Inc. Apparatus using multiple jets for gas delivery and methods of fluidizing
CN106702157A (zh) * 2015-08-01 2017-05-24 江学艺 金属矿的还原处理方法及金属矿的还原处理炉
CN110578029B (zh) * 2019-09-25 2020-11-10 山东大学 一种两段式下降气流床炼铁系统及炼铁工艺

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1419811A (en) * 1973-06-08 1975-12-31 Coal Industry Patents Ltd Fluidised bed apparatus
AU527811B2 (en) * 1977-12-23 1983-03-24 West's (Australasia) Ltd Fluidising plate
US4226830A (en) * 1978-08-28 1980-10-07 Hicap Engineering & Development Corporation Fluidized bed reactor
US4241021A (en) * 1979-05-14 1980-12-23 Stauffer Chemical Company Fluidized bed reactor system
JPS59104410A (ja) * 1982-12-03 1984-06-16 Kawasaki Steel Corp 流動層予備還元炉
JPH033918Y2 (de) * 1985-10-28 1991-01-31
JPS62241548A (ja) * 1986-04-10 1987-10-22 Power Reactor & Nuclear Fuel Dev Corp 流動層のブロ−バツク形ガス分散板
JPS63207985A (ja) * 1987-02-24 1988-08-29 日本鋼管株式会社 流動層装置の流動化ガス吐出部の付着物除去方法
AU596758B2 (en) * 1987-11-13 1990-05-10 Jp Steel Plantech Co. Metal-making apparatus involving the smelting reduction of metallic oxides
US5149487A (en) * 1990-02-27 1992-09-22 Nkk Corporation Prereduction furnace of a smelting reduction facility of iron ore

Also Published As

Publication number Publication date
JP2536217B2 (ja) 1996-09-18
KR930009413B1 (ko) 1993-10-04
CN1054446A (zh) 1991-09-11
JPH03247716A (ja) 1991-11-05
DE69100666D1 (de) 1994-01-05
ZA911348B (en) 1991-11-27
CN1022573C (zh) 1993-10-27
AU7119091A (en) 1991-08-29
EP0444614B1 (de) 1993-11-24
BR9100773A (pt) 1991-10-29
ATE97696T1 (de) 1993-12-15
AU617065B2 (en) 1991-11-14
CA2036916C (en) 1994-12-27
US5149062A (en) 1992-09-22
EP0444614A2 (de) 1991-09-04
EP0444614A3 (en) 1992-03-04
KR910021487A (ko) 1991-12-20

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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