DE3869353D1 - Verfahren zur erzreduktion im schachtofen. - Google Patents
Verfahren zur erzreduktion im schachtofen.Info
- Publication number
- DE3869353D1 DE3869353D1 DE8888870178T DE3869353T DE3869353D1 DE 3869353 D1 DE3869353 D1 DE 3869353D1 DE 8888870178 T DE8888870178 T DE 8888870178T DE 3869353 T DE3869353 T DE 3869353T DE 3869353 D1 DE3869353 D1 DE 3869353D1
- Authority
- DE
- Germany
- Prior art keywords
- solid fuel
- tank furnace
- shaft
- rich
- injected
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/001—Injecting additional fuel or reducing agents
- C21B5/003—Injection of pulverulent coal
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE8701383A BE1001238A6 (fr) | 1987-12-03 | 1987-12-03 | Procede de reduction des minerais dans un four a cuve. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3869353D1 true DE3869353D1 (de) | 1992-04-23 |
Family
ID=3883001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888870178T Expired - Lifetime DE3869353D1 (de) | 1987-12-03 | 1988-12-01 | Verfahren zur erzreduktion im schachtofen. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0319505B1 (de) |
AT (1) | ATE73859T1 (de) |
BE (1) | BE1001238A6 (de) |
DE (1) | DE3869353D1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4008963C1 (de) * | 1990-03-20 | 1991-11-14 | Hoesch Stahl Ag, 4600 Dortmund, De | |
US6090182A (en) * | 1997-10-29 | 2000-07-18 | Praxair Technology, Inc. | Hot oxygen blast furnace injection system |
DE102014216336A1 (de) | 2014-08-18 | 2016-02-18 | Küttner Holding GmbH & Co. KG | Verfahren zum Einblasen von Ersatzreduktionsmitteln in einen Hochofen |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1404306A (fr) * | 1964-08-17 | 1965-06-25 | Avco Corp | Perfectionnements à la combustion de charbon pulvérisé |
DE2912441C2 (de) * | 1979-03-29 | 1982-09-23 | ARBED S.A., 2930 Luxembourg | Verfahren zum kontinuierlichen Einblasen von feinkörniger Braunkohle in das Gestell eines Hochofens |
BE883667A (nl) * | 1980-06-05 | 1980-12-05 | Centre Rech Metallurgique | Procede de conduite d'un four a cuve |
BE887904A (fr) * | 1981-03-11 | 1981-09-11 | Centre Rech Metallurgique | Procede d'injection au haut fourneau de gaz, reducteurs surchauffes produits a partir de combustible solide |
US4490171A (en) * | 1982-03-31 | 1984-12-25 | Kobe Steel, Limited | Method and apparatus for injecting pulverized fuel into a blast furnace |
-
1987
- 1987-12-03 BE BE8701383A patent/BE1001238A6/fr not_active IP Right Cessation
-
1988
- 1988-12-01 AT AT88870178T patent/ATE73859T1/de not_active IP Right Cessation
- 1988-12-01 DE DE8888870178T patent/DE3869353D1/de not_active Expired - Lifetime
- 1988-12-01 EP EP88870178A patent/EP0319505B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BE1001238A6 (fr) | 1989-08-29 |
EP0319505B1 (de) | 1992-03-18 |
EP0319505A1 (de) | 1989-06-07 |
ATE73859T1 (de) | 1992-04-15 |
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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 |