BR9100772A - Forno de pre-reducao de uma usina de reducao de fundicao de minerio de ferro - Google Patents
Forno de pre-reducao de uma usina de reducao de fundicao de minerio de ferroInfo
- Publication number
- BR9100772A BR9100772A BR919100772A BR9100772A BR9100772A BR 9100772 A BR9100772 A BR 9100772A BR 919100772 A BR919100772 A BR 919100772A BR 9100772 A BR9100772 A BR 9100772A BR 9100772 A BR9100772 A BR 9100772A
- Authority
- BR
- Brazil
- Prior art keywords
- prereduction
- chamber
- main body
- reduction
- iron ore
- Prior art date
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)
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 |
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 |
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 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9100772A true BR9100772A (pt) | 1991-10-29 |
Family
ID=27291870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR919100772A BR9100772A (pt) | 1990-02-27 | 1991-02-26 | Forno de pre-reducao de uma usina de reducao de fundicao de minerio de ferro |
Country Status (9)
Country | Link |
---|---|
US (1) | US5149487A (pt) |
EP (1) | EP0444634B1 (pt) |
KR (1) | KR930009414B1 (pt) |
AT (1) | ATE138417T1 (pt) |
AU (1) | AU636199B2 (pt) |
BR (1) | BR9100772A (pt) |
CA (1) | CA2036972C (pt) |
DE (1) | DE69119623T2 (pt) |
ES (1) | ES2090154T3 (pt) |
Families Citing this family (4)
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)
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 |
-
1991
- 1991-02-20 US US07/658,781 patent/US5149487A/en not_active Expired - Fee Related
- 1991-02-20 AU AU71217/91A patent/AU636199B2/en not_active Ceased
- 1991-02-25 CA CA002036972A patent/CA2036972C/en not_active Expired - Fee Related
- 1991-02-26 BR BR919100772A patent/BR9100772A/pt not_active IP Right Cessation
- 1991-02-27 ES ES91102928T patent/ES2090154T3/es not_active Expired - Lifetime
- 1991-02-27 AT AT91102928T patent/ATE138417T1/de not_active IP Right Cessation
- 1991-02-27 EP EP91102928A patent/EP0444634B1/en not_active Expired - Lifetime
- 1991-02-27 DE DE69119623T patent/DE69119623T2/de not_active Expired - Fee Related
- 1991-02-27 KR KR1019910003217A patent/KR930009414B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0444634A3 (en) | 1992-02-26 |
DE69119623T2 (de) | 1996-10-31 |
EP0444634B1 (en) | 1996-05-22 |
AU636199B2 (en) | 1993-04-22 |
KR930009414B1 (ko) | 1993-10-04 |
US5149487A (en) | 1992-09-22 |
CA2036972C (en) | 1994-12-27 |
KR910021488A (ko) | 1991-12-20 |
ATE138417T1 (de) | 1996-06-15 |
AU7121791A (en) | 1991-08-29 |
EP0444634A2 (en) | 1991-09-04 |
DE69119623D1 (de) | 1996-06-27 |
ES2090154T3 (es) | 1996-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB20 | Grant procedure suspended (art. 20) | ||
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 26/02/2011 |