CA1288954C - Methode de production d'acier de qualite superieure - Google Patents
Methode de production d'acier de qualite superieureInfo
- Publication number
- CA1288954C CA1288954C CA000522224A CA522224A CA1288954C CA 1288954 C CA1288954 C CA 1288954C CA 000522224 A CA000522224 A CA 000522224A CA 522224 A CA522224 A CA 522224A CA 1288954 C CA1288954 C CA 1288954C
- Authority
- CA
- Canada
- Prior art keywords
- melt
- carbon
- process according
- oxygen
- carbon content
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 40
- 239000010959 steel Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 38
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 68
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000000155 melt Substances 0.000 claims abstract description 43
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 28
- 239000001301 oxygen Substances 0.000 claims abstract description 28
- 239000002893 slag Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000007664 blowing Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 239000003245 coal Substances 0.000 claims description 9
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 claims description 7
- 239000003830 anthracite Substances 0.000 claims description 7
- 229910000616 Ferromanganese Inorganic materials 0.000 claims description 5
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 5
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 11
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 10
- 239000011574 phosphorus Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 6
- 238000011282 treatment Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005261 decarburization Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010013710 Drug interaction Diseases 0.000 description 1
- 229910002551 Fe-Mn Inorganic materials 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 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
- 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
- C21C5/30—Regulating or controlling the blowing
- C21C5/32—Blowing from above
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU86225A LU86225A1 (de) | 1985-12-23 | 1985-12-23 | Verfahren zum herstellen von hochwertigem stahl |
| LU86225 | 1985-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1288954C true CA1288954C (fr) | 1991-09-17 |
Family
ID=19730608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000522224A Expired - Lifetime CA1288954C (fr) | 1985-12-23 | 1986-11-05 | Methode de production d'acier de qualite superieure |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0226912A3 (fr) |
| JP (1) | JPS62158811A (fr) |
| AU (1) | AU590801B2 (fr) |
| BR (1) | BR8605894A (fr) |
| CA (1) | CA1288954C (fr) |
| LU (1) | LU86225A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019215678A1 (de) * | 2019-10-11 | 2021-04-15 | Sms Group Gmbh | Verfahren zum Entphosphern einer Stahlschmelze während des Frischprozesses |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3702243A (en) * | 1969-04-15 | 1972-11-07 | Nat Steel Corp | Method of preparing deoxidized steel |
| AU6823981A (en) * | 1980-03-21 | 1981-10-15 | Nippon Steel Corporation | Multi-stage steel making |
| LU84168A1 (de) * | 1982-05-25 | 1984-03-07 | Arbed | Verfahren zum aufkohlen von metallschmelzen |
| LU85363A1 (fr) * | 1984-05-15 | 1986-01-29 | Arbed | Dispositif d'adaptation pour tuyere d'acceleration de particules solides |
-
1985
- 1985-12-23 LU LU86225A patent/LU86225A1/de unknown
-
1986
- 1986-10-23 AU AU64325/86A patent/AU590801B2/en not_active Ceased
- 1986-11-05 CA CA000522224A patent/CA1288954C/fr not_active Expired - Lifetime
- 1986-12-02 BR BR8605894A patent/BR8605894A/pt unknown
- 1986-12-05 EP EP86116948A patent/EP0226912A3/fr not_active Withdrawn
- 1986-12-22 JP JP30403586A patent/JPS62158811A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BR8605894A (pt) | 1987-08-25 |
| AU6432586A (en) | 1987-06-25 |
| AU590801B2 (en) | 1989-11-16 |
| JPS62158811A (ja) | 1987-07-14 |
| EP0226912A2 (fr) | 1987-07-01 |
| LU86225A1 (de) | 1987-07-24 |
| EP0226912A3 (fr) | 1989-04-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |