DE2340067C2 - Verfahren zum Gewinnen von Roheisen in einem Hochofen - Google Patents
Verfahren zum Gewinnen von Roheisen in einem HochofenInfo
- Publication number
- DE2340067C2 DE2340067C2 DE2340067A DE2340067A DE2340067C2 DE 2340067 C2 DE2340067 C2 DE 2340067C2 DE 2340067 A DE2340067 A DE 2340067A DE 2340067 A DE2340067 A DE 2340067A DE 2340067 C2 DE2340067 C2 DE 2340067C2
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- reducing gases
- level
- injected
- injection
- 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
Links
- 238000000034 method Methods 0.000 title claims description 18
- 229910000805 Pig iron Inorganic materials 0.000 title claims description 9
- 238000000605 extraction Methods 0.000 title 1
- 239000007789 gas Substances 0.000 claims description 46
- 238000002347 injection Methods 0.000 claims description 28
- 239000007924 injection Substances 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000003245 coal Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 239000011343 solid material Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000000571 coke Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE787866 | 1972-08-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2340067A1 DE2340067A1 (de) | 1974-03-07 |
| DE2340067C2 true DE2340067C2 (de) | 1982-04-29 |
Family
ID=3860079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2340067A Expired DE2340067C2 (de) | 1972-08-22 | 1973-08-08 | Verfahren zum Gewinnen von Roheisen in einem Hochofen |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3904398A (enExample) |
| JP (1) | JPS4959015A (enExample) |
| BE (1) | BE787866A (enExample) |
| DE (1) | DE2340067C2 (enExample) |
| FR (1) | FR2197069B1 (enExample) |
| GB (1) | GB1396842A (enExample) |
| IT (1) | IT994547B (enExample) |
| LU (1) | LU68249A1 (enExample) |
| NL (1) | NL7311483A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022058774A1 (en) * | 2020-09-15 | 2022-03-24 | Arcelormittal | Blast furnace for ironmaking production |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR638264A (fr) * | 1926-08-06 | 1928-05-21 | Fried Krupp Ag Friedrich Alfre | Procédé pour le fonctionnement de fours à cuve, en particulier de hauts-fourneaux |
| US1917642A (en) * | 1930-06-23 | 1933-07-11 | Clifford C Furnas | Process of controlling the temperature gradient up the shaft of a furnace |
| FR726769A (fr) * | 1930-11-15 | 1932-06-03 | Oxythermique Soc | Procédé de réduction et de fusion au haut fourneau et dans des fours analogues |
| US2799576A (en) * | 1953-11-11 | 1957-07-16 | Strikfeldt & Co W | Process for operating shaft blast furnaces |
| US2952533A (en) * | 1956-02-21 | 1960-09-13 | Cuscoleca Otwin | Method of operating a furnace in which the material treated is reduced |
| US3210181A (en) * | 1960-12-01 | 1965-10-05 | Exxon Research Engineering Co | Gaseous fuel control process for furnaces |
| US3062640A (en) * | 1960-10-07 | 1962-11-06 | United States Steel Corp | Method of operating a blast furnace |
| FR2049293A5 (en) * | 1969-06-05 | 1971-03-26 | Armco Steel Corp | Reduction of iron ores |
| NL157056B (nl) * | 1970-06-20 | 1978-06-15 | Nippon Kokan Kk | Werkwijze voor het reduceren van ijzererts in een hoogoven. |
| US3814404A (en) * | 1972-01-31 | 1974-06-04 | Kaiser Steel Corp | Blast furnace and method of operating the same |
-
0
- BE BE787866D patent/BE787866A/xx not_active IP Right Cessation
-
1973
- 1973-07-18 IT IT69148/73A patent/IT994547B/it active
- 1973-07-19 FR FR7326447A patent/FR2197069B1/fr not_active Expired
- 1973-08-08 DE DE2340067A patent/DE2340067C2/de not_active Expired
- 1973-08-17 GB GB3901073A patent/GB1396842A/en not_active Expired
- 1973-08-17 LU LU68249A patent/LU68249A1/xx unknown
- 1973-08-21 NL NL7311483A patent/NL7311483A/xx not_active Application Discontinuation
- 1973-08-22 US US390382A patent/US3904398A/en not_active Expired - Lifetime
- 1973-08-22 JP JP48094269A patent/JPS4959015A/ja active Pending
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4959015A (enExample) | 1974-06-07 |
| US3904398A (en) | 1975-09-09 |
| FR2197069A1 (enExample) | 1974-03-22 |
| LU68249A1 (enExample) | 1973-10-23 |
| GB1396842A (en) | 1975-06-04 |
| BE787866A (fr) | 1973-02-22 |
| NL7311483A (enExample) | 1974-02-26 |
| DE2340067A1 (de) | 1974-03-07 |
| FR2197069B1 (enExample) | 1977-02-18 |
| IT994547B (it) | 1975-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8125 | Change of the main classification |
Ipc: C21B 5/00 |
|
| D2 | Grant after examination | ||
| 8339 | Ceased/non-payment of the annual fee |