DE2715859C2 - Verfahren zur Herstellung von Stahl aus schwefelhaltigem Roheisen - Google Patents
Verfahren zur Herstellung von Stahl aus schwefelhaltigem RoheisenInfo
- Publication number
- DE2715859C2 DE2715859C2 DE2715859A DE2715859A DE2715859C2 DE 2715859 C2 DE2715859 C2 DE 2715859C2 DE 2715859 A DE2715859 A DE 2715859A DE 2715859 A DE2715859 A DE 2715859A DE 2715859 C2 DE2715859 C2 DE 2715859C2
- Authority
- DE
- Germany
- Prior art keywords
- slag
- pig iron
- desulphurisation
- desulfurization
- oxygen
- 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 33
- 229910000805 Pig iron Inorganic materials 0.000 title claims description 30
- 229910000831 Steel Inorganic materials 0.000 title claims description 11
- 239000010959 steel Substances 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 239000002893 slag Substances 0.000 claims description 46
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 22
- 229910052760 oxygen Inorganic materials 0.000 claims description 22
- 239000001301 oxygen Substances 0.000 claims description 22
- 238000006477 desulfuration reaction Methods 0.000 claims description 21
- 230000023556 desulfurization Effects 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 7
- 238000007670 refining Methods 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 2
- 210000004072 lung Anatomy 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 description 19
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 17
- 239000011593 sulfur Substances 0.000 description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000011575 calcium Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000000161 steel melt Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000001007 puffing effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/36—Processes yielding slags of special composition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2715859A DE2715859C2 (de) | 1977-04-09 | 1977-04-09 | Verfahren zur Herstellung von Stahl aus schwefelhaltigem Roheisen |
| IT22010/78A IT1094327B (it) | 1977-04-09 | 1978-04-05 | Procedimento per la produzione di acciaio da ghisa grezza contenente zolfo |
| NL7803681A NL7803681A (nl) | 1977-04-09 | 1978-04-06 | Werkwijze voor de bereiding van staal uit zwavel bevattend ruw ijzer. |
| AT0246578A AT365237B (de) | 1977-04-09 | 1978-04-07 | Verfahren zur herstellung von stahl aus schwefelhaltigem roheisen |
| BE186641A BE865793A (fr) | 1977-04-09 | 1978-04-07 | Procede de preparation d'acier a partir de fonte sulfureuse |
| LU79396A LU79396A1 (de) | 1977-04-09 | 1978-04-07 | Verfahren zur herstellung von stahl aus schwefelhaltigem roheisen |
| FR7810433A FR2386608A1 (fr) | 1977-04-09 | 1978-04-07 | Procede de preparation d'acier a partir de fonte sulfureuse |
| GB13809/78A GB1570848A (en) | 1977-04-09 | 1978-04-07 | Process for the production of steel from crude iron containing sulphur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2715859A DE2715859C2 (de) | 1977-04-09 | 1977-04-09 | Verfahren zur Herstellung von Stahl aus schwefelhaltigem Roheisen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2715859B1 DE2715859B1 (de) | 1978-06-15 |
| DE2715859C2 true DE2715859C2 (de) | 1979-02-08 |
Family
ID=6005983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2715859A Expired DE2715859C2 (de) | 1977-04-09 | 1977-04-09 | Verfahren zur Herstellung von Stahl aus schwefelhaltigem Roheisen |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT365237B (fr) |
| BE (1) | BE865793A (fr) |
| DE (1) | DE2715859C2 (fr) |
| FR (1) | FR2386608A1 (fr) |
| GB (1) | GB1570848A (fr) |
| IT (1) | IT1094327B (fr) |
| LU (1) | LU79396A1 (fr) |
| NL (1) | NL7803681A (fr) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1189450A (fr) * | 1957-12-31 | 1959-10-02 | Kloeckner Werke Ag | Procédé d'obtention de fonte et d'acier à faible teneur en soufre |
| FR1228665A (fr) * | 1958-07-01 | 1960-08-31 | Centre Nat Rech Metall | Procédé de désulfuration de la fonte |
| GB1459650A (en) * | 1974-07-11 | 1976-12-22 | Foseco Int | Method of making steel from iron |
-
1977
- 1977-04-09 DE DE2715859A patent/DE2715859C2/de not_active Expired
-
1978
- 1978-04-05 IT IT22010/78A patent/IT1094327B/it active
- 1978-04-06 NL NL7803681A patent/NL7803681A/xx not_active Application Discontinuation
- 1978-04-07 FR FR7810433A patent/FR2386608A1/fr active Pending
- 1978-04-07 BE BE186641A patent/BE865793A/fr not_active IP Right Cessation
- 1978-04-07 LU LU79396A patent/LU79396A1/de unknown
- 1978-04-07 GB GB13809/78A patent/GB1570848A/en not_active Expired
- 1978-04-07 AT AT0246578A patent/AT365237B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7803681A (nl) | 1978-10-11 |
| GB1570848A (en) | 1980-07-09 |
| BE865793A (fr) | 1978-07-31 |
| FR2386608A1 (fr) | 1978-11-03 |
| ATA246578A (de) | 1981-05-15 |
| IT1094327B (it) | 1985-07-26 |
| DE2715859B1 (de) | 1978-06-15 |
| LU79396A1 (de) | 1978-07-13 |
| AT365237B (de) | 1981-12-28 |
| IT7822010A0 (it) | 1978-04-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: KRUPP STAHL AG, 4630 BOCHUM, DE |
|
| 8339 | Ceased/non-payment of the annual fee |