CA1096176A - Refining process based on top-blowing with oxygen - Google Patents
Refining process based on top-blowing with oxygenInfo
- Publication number
- CA1096176A CA1096176A CA290,331A CA290331A CA1096176A CA 1096176 A CA1096176 A CA 1096176A CA 290331 A CA290331 A CA 290331A CA 1096176 A CA1096176 A CA 1096176A
- Authority
- CA
- Canada
- Prior art keywords
- oxygen
- flow
- blowing
- reduced
- time
- 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 abstract description 55
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000001301 oxygen Substances 0.000 title claims abstract description 54
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 54
- 238000007664 blowing Methods 0.000 title claims abstract description 44
- 238000007670 refining Methods 0.000 title claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000155 melt Substances 0.000 claims abstract description 11
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 239000002893 slag Substances 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 6
- 239000011572 manganese Substances 0.000 description 11
- 229910052748 manganese Inorganic materials 0.000 description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 7
- 229910000805 Pig iron Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- -1 70 Nm~/minute Chemical compound 0.000 description 1
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 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)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP2650978.4 | 1976-11-08 | ||
| DE19762650978 DE2650978A1 (de) | 1976-11-08 | 1976-11-08 | Frischverfahren durch sauerstoffaufblasen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1096176A true CA1096176A (en) | 1981-02-24 |
Family
ID=5992668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA290,331A Expired CA1096176A (en) | 1976-11-08 | 1977-11-07 | Refining process based on top-blowing with oxygen |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4163663A (show.php) |
| JP (1) | JPS5383918A (show.php) |
| BE (1) | BE860593A (show.php) |
| CA (1) | CA1096176A (show.php) |
| DD (1) | DD133155A5 (show.php) |
| DE (1) | DE2650978A1 (show.php) |
| ES (1) | ES463980A1 (show.php) |
| FI (1) | FI773350A7 (show.php) |
| FR (1) | FR2370097A1 (show.php) |
| GB (1) | GB1555820A (show.php) |
| HU (1) | HU175920B (show.php) |
| IT (1) | IT1089486B (show.php) |
| LU (1) | LU78450A1 (show.php) |
| NL (1) | NL7712113A (show.php) |
| NO (1) | NO773809L (show.php) |
| SE (1) | SE7712420L (show.php) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2803534A (en) * | 1954-08-07 | 1957-08-20 | Oesterr Alpine Montan | Process for the production of steel |
| LU58447A1 (show.php) * | 1968-04-25 | 1969-07-21 | ||
| US3850617A (en) * | 1970-04-14 | 1974-11-26 | J Umowski | Refining of stainless steel |
| DE2251893A1 (de) * | 1972-10-23 | 1974-05-02 | Salzgitter Peine Stahlwerke | Verfahren zum frischen von roheisen zu stahl |
| DE2331377C2 (de) * | 1973-06-20 | 1982-10-14 | Hoechst Ag, 6000 Frankfurt | Lichtempfindliches Kopiermaterial |
| US4001012A (en) * | 1973-11-28 | 1977-01-04 | United States Steel Corporation | Method of producing stainless steel |
| US3930843A (en) * | 1974-08-30 | 1976-01-06 | United States Steel Corporation | Method for increasing metallic yield in bottom blown processes |
-
1976
- 1976-11-08 DE DE19762650978 patent/DE2650978A1/de not_active Ceased
-
1977
- 1977-11-01 GB GB45444/77A patent/GB1555820A/en not_active Expired
- 1977-11-03 NL NL7712113A patent/NL7712113A/xx not_active Application Discontinuation
- 1977-11-03 SE SE7712420A patent/SE7712420L/xx unknown
- 1977-11-04 LU LU78450A patent/LU78450A1/xx unknown
- 1977-11-04 DD DD7700201883A patent/DD133155A5/xx unknown
- 1977-11-07 US US05/849,005 patent/US4163663A/en not_active Expired - Lifetime
- 1977-11-07 NO NO773809A patent/NO773809L/no unknown
- 1977-11-07 FR FR7733421A patent/FR2370097A1/fr active Granted
- 1977-11-07 CA CA290,331A patent/CA1096176A/en not_active Expired
- 1977-11-07 IT IT09618/77A patent/IT1089486B/it active
- 1977-11-08 HU HU77GE1021A patent/HU175920B/hu unknown
- 1977-11-08 FI FI773350A patent/FI773350A7/fi not_active Application Discontinuation
- 1977-11-08 JP JP13315377A patent/JPS5383918A/ja active Granted
- 1977-11-08 ES ES463980A patent/ES463980A1/es not_active Expired
- 1977-11-08 BE BE182434A patent/BE860593A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI773350A7 (fi) | 1978-05-09 |
| NO773809L (no) | 1978-05-09 |
| BE860593A (fr) | 1978-05-08 |
| HU175920B (en) | 1980-11-28 |
| NL7712113A (nl) | 1978-05-10 |
| DD133155A5 (de) | 1978-12-13 |
| ES463980A1 (es) | 1978-06-16 |
| SE7712420L (sv) | 1978-05-09 |
| JPS5383918A (en) | 1978-07-24 |
| FR2370097B1 (show.php) | 1980-07-18 |
| FR2370097A1 (fr) | 1978-06-02 |
| IT1089486B (it) | 1985-06-18 |
| DE2650978A1 (de) | 1978-05-11 |
| JPS5736333B2 (show.php) | 1982-08-03 |
| LU78450A1 (show.php) | 1978-02-16 |
| GB1555820A (en) | 1979-11-14 |
| US4163663A (en) | 1979-08-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |