FI67094C - Foerfarande foer att foerhindra att slaggmetall vaeller upp vi pneumatisk under ytan skeende raffinering av staol - Google Patents
Foerfarande foer att foerhindra att slaggmetall vaeller upp vi pneumatisk under ytan skeende raffinering av staol Download PDFInfo
- Publication number
- FI67094C FI67094C FI804007A FI804007A FI67094C FI 67094 C FI67094 C FI 67094C FI 804007 A FI804007 A FI 804007A FI 804007 A FI804007 A FI 804007A FI 67094 C FI67094 C FI 67094C
- Authority
- FI
- Finland
- Prior art keywords
- melt
- temperature
- refining
- att
- added
- Prior art date
Links
- 239000000155 melt Substances 0.000 claims description 39
- 229910052799 carbon Inorganic materials 0.000 claims description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 20
- 229910052782 aluminium Inorganic materials 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 17
- 239000000446 fuel Substances 0.000 claims description 11
- 238000007792 addition Methods 0.000 claims description 8
- 238000007670 refining Methods 0.000 claims description 8
- 239000000161 steel melt Substances 0.000 claims description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 30
- 238000004140 cleaning Methods 0.000 description 19
- 229910000831 Steel Inorganic materials 0.000 description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 17
- 239000007789 gas Substances 0.000 description 17
- 239000001301 oxygen Substances 0.000 description 17
- 229910052760 oxygen Inorganic materials 0.000 description 17
- 239000010959 steel Substances 0.000 description 17
- 229910052786 argon Inorganic materials 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 239000002893 slag Substances 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000007664 blowing Methods 0.000 description 9
- 238000000746 purification Methods 0.000 description 9
- 238000005262 decarbonization Methods 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 7
- 235000011941 Tilia x europaea Nutrition 0.000 description 7
- 239000004571 lime Substances 0.000 description 7
- 230000001590 oxidative effect Effects 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 description 6
- 239000000839 emulsion Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 238000007872 degassing Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000011282 treatment Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 238000005261 decarburization Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229910005347 FeSi Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229910001339 C alloy Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- 240000000950 Hippophae rhamnoides Species 0.000 description 1
- 235000003145 Hippophae rhamnoides Nutrition 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- SVLBLOQBZQVFKW-UHFFFAOYSA-N [C].[O].[Ar] Chemical compound [C].[O].[Ar] SVLBLOQBZQVFKW-UHFFFAOYSA-N 0.000 description 1
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
- C21C7/0685—Decarburising of stainless steel
-
- 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
- C21C5/35—Blowing from above and through the bath
-
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
-
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/107,535 US4278464A (en) | 1979-12-27 | 1979-12-27 | Method for preventing slopping during subsurface pneumatic refining of steel |
| US10753579 | 1979-12-27 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI804007L FI804007L (fi) | 1981-06-28 |
| FI67094B FI67094B (fi) | 1984-09-28 |
| FI67094C true FI67094C (fi) | 1985-01-10 |
Family
ID=22317095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI804007A FI67094C (fi) | 1979-12-27 | 1980-12-22 | Foerfarande foer att foerhindra att slaggmetall vaeller upp vi pneumatisk under ytan skeende raffinering av staol |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4278464A (de) |
| EP (1) | EP0033780B2 (de) |
| JP (1) | JPS6014812B2 (de) |
| KR (1) | KR850000927B1 (de) |
| BR (1) | BR8008338A (de) |
| CA (1) | CA1157276A (de) |
| DE (1) | DE3071177D1 (de) |
| DK (1) | DK552980A (de) |
| ES (1) | ES498039A0 (de) |
| FI (1) | FI67094C (de) |
| IN (1) | IN155179B (de) |
| NO (1) | NO153861C (de) |
| SU (1) | SU1114343A3 (de) |
| YU (1) | YU41453B (de) |
| ZA (1) | ZA807929B (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4436553A (en) | 1982-01-22 | 1984-03-13 | Union Carbide Corporation | Process to produce low hydrogen steel |
| US4451288A (en) * | 1982-06-29 | 1984-05-29 | Union Carbide Corporation | Method for producing low hydrogen content in steels produced by subsurface pneumatic refining |
| US4477278A (en) * | 1983-01-06 | 1984-10-16 | Union Carbide Corporation | Steelmaking process using calcium carbide as fuel |
| US4488903A (en) * | 1984-03-14 | 1984-12-18 | Union Carbide Corporation | Rapid decarburization steelmaking process |
| US4551175A (en) * | 1984-04-17 | 1985-11-05 | Union Carbide Corporation | Method for controlling slag chemistry in a refining vessel |
| US4761178A (en) * | 1987-08-24 | 1988-08-02 | Bethlehem Steel Corporation | Process for heating molten steel contained in a ladle |
| IN172394B (de) * | 1988-07-22 | 1993-07-17 | Boest Alpine Stahl Donawitz Ge |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3107995A (en) * | 1961-04-06 | 1963-10-22 | Katakura Sampei | Refining material for iron and steel and method of producing same |
| US3702243A (en) * | 1969-04-15 | 1972-11-07 | Nat Steel Corp | Method of preparing deoxidized steel |
| US3960546A (en) * | 1974-05-22 | 1976-06-01 | United States Steel Corporation | Method for eliminating nose-skulls from steelmaking vessels |
| US4187102A (en) * | 1978-08-24 | 1980-02-05 | Union Carbide Corporation | Method for controlling the temperature of the melt during pneumatic refining of steel |
| US4210442A (en) * | 1979-02-07 | 1980-07-01 | Union Carbide Corporation | Argon in the basic oxygen process to control slopping |
-
1979
- 1979-12-27 US US06/107,535 patent/US4278464A/en not_active Expired - Lifetime
-
1980
- 1980-12-10 IN IN886/DEL/80A patent/IN155179B/en unknown
- 1980-12-11 CA CA000366632A patent/CA1157276A/en not_active Expired
- 1980-12-18 ZA ZA00807929A patent/ZA807929B/xx unknown
- 1980-12-19 BR BR8008338A patent/BR8008338A/pt not_active IP Right Cessation
- 1980-12-19 JP JP55179111A patent/JPS6014812B2/ja not_active Expired
- 1980-12-22 ES ES498039A patent/ES498039A0/es active Granted
- 1980-12-22 NO NO803907A patent/NO153861C/no unknown
- 1980-12-22 FI FI804007A patent/FI67094C/fi not_active IP Right Cessation
- 1980-12-22 SU SU803221903A patent/SU1114343A3/ru active
- 1980-12-23 DK DK552980A patent/DK552980A/da not_active Application Discontinuation
- 1980-12-23 YU YU3254/80A patent/YU41453B/xx unknown
- 1980-12-23 EP EP80108124A patent/EP0033780B2/de not_active Expired - Lifetime
- 1980-12-23 DE DE8080108124T patent/DE3071177D1/de not_active Expired
-
1981
- 1981-03-21 KR KR1019810000943A patent/KR850000927B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56127726A (en) | 1981-10-06 |
| FI67094B (fi) | 1984-09-28 |
| IN155179B (de) | 1985-01-12 |
| ES8202593A1 (es) | 1982-02-01 |
| FI804007L (fi) | 1981-06-28 |
| ZA807929B (en) | 1982-01-27 |
| YU325480A (en) | 1983-02-28 |
| KR830005374A (ko) | 1983-08-13 |
| NO153861B (no) | 1986-02-24 |
| CA1157276A (en) | 1983-11-22 |
| EP0033780B1 (de) | 1985-10-09 |
| NO153861C (no) | 1986-06-04 |
| BR8008338A (pt) | 1981-07-07 |
| JPS6014812B2 (ja) | 1985-04-16 |
| US4278464A (en) | 1981-07-14 |
| ES498039A0 (es) | 1982-02-01 |
| EP0033780B2 (de) | 1990-11-28 |
| SU1114343A3 (ru) | 1984-09-15 |
| KR850000927B1 (ko) | 1985-06-28 |
| YU41453B (en) | 1987-06-30 |
| DK552980A (da) | 1981-06-28 |
| EP0033780A1 (de) | 1981-08-19 |
| NO803907L (no) | 1981-06-29 |
| DE3071177D1 (en) | 1985-11-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: UNION CARBIDE CORPORATION |