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 ferro

Info

Publication number: BR9100772A
Authority: BR; Brazil
Prior art keywords: prereduction; chamber; main body; reduction; iron ore
Prior art date: 1990-02-27

Application number

BR919100772A

Other languages

English (en)

Inventor

Masahiro Matsuo

Genji Kanatani

Hitoshi Kawata

Tasuro Ariyama

Jiro Mase

Yoshiyuki Kitano

Haruhito Tsuboi

Shinichi Isozaki

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.)

1990-02-27

Filing date

1991-02-26

Publication date

1991-10-29

1990-02-27 Priority claimed from JP2044372A external-priority patent/JP2536216B2/ja

1990-06-16 Priority claimed from JP2158154A external-priority patent/JPH0826380B2/ja

1990-06-16 Priority claimed from JP15815590A external-priority patent/JPH07103411B2/ja

1991-02-26 Application filed by Nippon Kokan Kk filed Critical Nippon Kokan Kk

1991-10-29 Publication of BR9100772A publication Critical patent/BR9100772A/pt

Links

XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 8
229910052742 iron Inorganic materials 0.000 title abstract 4
238000007664 blowing Methods 0.000 abstract 4
239000002184 metal Substances 0.000 abstract 3
229910052751 metal Inorganic materials 0.000 abstract 3
239000000919 ceramic Substances 0.000 abstract 2
238000003723 Smelting Methods 0.000 abstract 1
239000012809 cooling fluid Substances 0.000 abstract 1
238000007599 discharging Methods 0.000 abstract 1
239000000428 dust Substances 0.000 abstract 1

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)

BR919100772A 1990-02-27 1991-02-26 Forno de pre-reducao de uma usina de reducao de fundicao de minerio de ferro BR9100772A (pt)

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 (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)

* 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

1991
- 1991-02-20 AU AU71217/91A patent/AU636199B2/en not_active Ceased
- 1991-02-20 US US07/658,781 patent/US5149487A/en not_active Expired - Fee Related
- 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 KR KR1019910003217A patent/KR930009414B1/ko not_active Expired - Fee Related
- 1991-02-27 AT AT91102928T patent/ATE138417T1/de not_active IP Right Cessation
- 1991-02-27 ES ES91102928T patent/ES2090154T3/es not_active Expired - Lifetime
- 1991-02-27 DE DE69119623T patent/DE69119623T2/de not_active Expired - Fee Related
- 1991-02-27 EP EP91102928A patent/EP0444634B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE69119623T2 (de)	1996-10-31
DE69119623D1 (de)	1996-06-27
EP0444634B1 (en)	1996-05-22
AU7121791A (en)	1991-08-29
KR930009414B1 (ko)	1993-10-04
KR910021488A (ko)	1991-12-20
ATE138417T1 (de)	1996-06-15
EP0444634A3 (en)	1992-02-26
EP0444634A2 (en)	1991-09-04
US5149487A (en)	1992-09-22
ES2090154T3 (es)	1996-10-16
AU636199B2 (en)	1993-04-22
CA2036972C (en)	1994-12-27

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Legal Events

Date	Code	Title	Description
1996-04-02	FB20	Grant procedure suspended (art. 20)
1998-07-28	FF	Decision: intention to grant
1998-12-29	FG9A	Patent or certificate of addition granted
2013-05-28	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 26/02/2011