ATE131880T1 - Ofen zum vorreduzieren von eisenerzen für eine schmelzreduktionsanlage - Google Patents

Ofen zum vorreduzieren von eisenerzen für eine schmelzreduktionsanlage

Info

Publication number
ATE131880T1
ATE131880T1 AT91109752T AT91109752T ATE131880T1 AT E131880 T1 ATE131880 T1 AT E131880T1 AT 91109752 T AT91109752 T AT 91109752T AT 91109752 T AT91109752 T AT 91109752T AT E131880 T1 ATE131880 T1 AT E131880T1
Authority
AT
Austria
Prior art keywords
prereduction
furnace
chamber
metal plate
nozzles
Prior art date
Application number
AT91109752T
Other languages
English (en)
Inventor
Tatsuro C O Patent And Ariyama
Mainamiwatarida-Cho
Jiro C O Patent And Licen Mase
Yoshiyuki C O Patent An Kitano
Sakae C O Patent And L Arakawa
Haruhito C O Patent And Tsuboi
Shinichi C O Patent An Isozaki
Hitoshi C O Patent And Kawata
Genji C O Patent And Kanatani
Original Assignee
Nippon Kokan Kk
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 JP15815690A external-priority patent/JPH07103412B2/ja
Priority claimed from JP15815890A external-priority patent/JPH07103414B2/ja
Priority claimed from JP15815790A external-priority patent/JPH07103413B2/ja
Priority claimed from JP2169190A external-priority patent/JPH0826381B2/ja
Application filed by Nippon Kokan Kk filed Critical Nippon Kokan Kk
Application granted granted Critical
Publication of ATE131880T1 publication Critical patent/ATE131880T1/de

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
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the 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
    • B01J8/1818—Feeding of the fluidising gas
    • B01J8/1827—Feeding of the fluidising gas the fluidising gas being a reactant
    • 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
    • B01J8/1836—Heating and cooling the reactor
    • 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
    • C21B11/00—Making pig-iron other than in blast furnaces
    • C21B11/02—Making pig-iron other than in blast furnaces in low shaft furnaces or shaft 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00194—Tubes
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00212—Plates; Jackets; Cylinders
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00327—Controlling the temperature by direct heat exchange
    • B01J2208/00336—Controlling the temperature by direct heat exchange adding a temperature modifying medium to the reactants
    • B01J2208/00353—Non-cryogenic fluids
    • B01J2208/00371—Non-cryogenic fluids gaseous
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00477—Controlling the temperature by thermal insulation means
    • B01J2208/00495—Controlling the temperature by thermal insulation means using insulating materials or refractories

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Furnace Details (AREA)
AT91109752T 1990-06-16 1991-06-14 Ofen zum vorreduzieren von eisenerzen für eine schmelzreduktionsanlage ATE131880T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP15815690A JPH07103412B2 (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
JP15815890A JPH07103414B2 (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
JP15815790A JPH07103413B2 (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
JP2169190A JPH0826381B2 (ja) 1990-06-27 1990-06-27 鉄鉱石の溶融還元設備における予備還元炉

Publications (1)

Publication Number Publication Date
ATE131880T1 true ATE131880T1 (de) 1996-01-15

Family

ID=27473526

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91109752T ATE131880T1 (de) 1990-06-16 1991-06-14 Ofen zum vorreduzieren von eisenerzen für eine schmelzreduktionsanlage

Country Status (9)

Country Link
US (1) US5129630A (de)
EP (1) EP0462515B1 (de)
KR (1) KR930005064B1 (de)
AT (1) ATE131880T1 (de)
AU (1) AU632944B2 (de)
BR (1) BR9102462A (de)
CA (1) CA2044638C (de)
DE (1) DE69115572T2 (de)
ES (1) ES2084060T3 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT400447B (de) * 1994-03-04 1995-12-27 Voest Alpine Ind Anlagen Verfahren und anlage zum chargieren von erz
US6224649B1 (en) * 1998-07-06 2001-05-01 Hylsa, S.A. De C.V. Method and apparatus for reducing iron-oxides-particles having a broad range of sizes
ATA145198A (de) * 1998-08-26 2000-01-15 Voest Alpine Ind Anlagen Reaktorgefäss zum behandeln eines fluidisierbaren materials
CN101845529B (zh) * 2010-06-02 2011-12-07 首钢总公司 一种熔融还原炼铁用预热还原炉
DE102011108086A1 (de) * 2011-07-19 2013-01-24 H S Reformer Gmbh Düsenboden
US8875728B2 (en) 2012-07-12 2014-11-04 Siliken Chemicals, S.L. Cooled gas distribution plate, thermal bridge breaking system, and related methods

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3016624A (en) * 1959-01-02 1962-01-16 Foster Wheeler Corp Gas distribution baffle
US3553847A (en) * 1968-09-09 1971-01-12 Fuller Co Fluidized bed reactor
SE438729B (sv) * 1980-03-21 1985-04-29 Asea Ab Anordning vid botten av en fluidiserbar bedd
GB2073041B (en) * 1980-04-03 1983-11-23 Coal Industry Patents Ltd Fluidised bed distributor plates
DE3025924A1 (de) * 1980-07-09 1982-02-04 Dieter 5060 Bergisch Gladbach Popp Fluessigkeitsgekuehlter stuetzboden fuer eine wirbelschichttrockner
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
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
KR920000947A (ko) 1992-01-29
CA2044638A1 (en) 1991-12-17
DE69115572D1 (de) 1996-02-01
EP0462515A3 (en) 1992-03-11
AU7840691A (en) 1991-12-19
BR9102462A (pt) 1992-01-21
US5129630A (en) 1992-07-14
DE69115572T2 (de) 1996-06-13
AU632944B2 (en) 1993-01-14
EP0462515A2 (de) 1991-12-27
EP0462515B1 (de) 1995-12-20
CA2044638C (en) 2001-02-13
KR930005064B1 (ko) 1993-06-15
ES2084060T3 (es) 1996-05-01

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee