DE1803377B2 - Verfahren zur zweistufigen faellungsdesoxidation einer stahlschmelze - Google Patents
Verfahren zur zweistufigen faellungsdesoxidation einer stahlschmelzeInfo
- Publication number
- DE1803377B2 DE1803377B2 DE19681803377 DE1803377A DE1803377B2 DE 1803377 B2 DE1803377 B2 DE 1803377B2 DE 19681803377 DE19681803377 DE 19681803377 DE 1803377 A DE1803377 A DE 1803377A DE 1803377 B2 DE1803377 B2 DE 1803377B2
- Authority
- DE
- Germany
- Prior art keywords
- calcium
- melt
- deoxidation
- aluminum
- steel
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 19
- 239000000161 steel melt Substances 0.000 title claims description 15
- 230000008021 deposition Effects 0.000 title 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 48
- 229910052791 calcium Inorganic materials 0.000 claims description 48
- 239000011575 calcium Substances 0.000 claims description 48
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 38
- 239000001301 oxygen Substances 0.000 claims description 38
- 229910052760 oxygen Inorganic materials 0.000 claims description 38
- 239000000155 melt Substances 0.000 claims description 32
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 20
- 229910052782 aluminium Inorganic materials 0.000 claims description 19
- 229910000882 Ca alloy Inorganic materials 0.000 claims description 15
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 17
- 239000010959 steel Substances 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 229910001610 cryolite Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010436 fluorite Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 229910000720 Silicomanganese Inorganic materials 0.000 description 1
- WNQQFQRHFNVNSP-UHFFFAOYSA-N [Ca].[Fe] Chemical compound [Ca].[Fe] WNQQFQRHFNVNSP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000002226 simultaneous effect Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009849 vacuum degassing 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6660267 | 1967-10-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1803377A1 DE1803377A1 (de) | 1969-05-14 |
| DE1803377B2 true DE1803377B2 (de) | 1976-07-15 |
Family
ID=13320612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681803377 Pending DE1803377B2 (de) | 1967-10-18 | 1968-10-16 | Verfahren zur zweistufigen faellungsdesoxidation einer stahlschmelze |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3575695A (enExample) |
| BE (1) | BE722596A (enExample) |
| DE (1) | DE1803377B2 (enExample) |
| FR (1) | FR1596638A (enExample) |
| GB (1) | GB1206062A (enExample) |
| SE (1) | SE361900B (enExample) |
| SU (1) | SU367614A3 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0012226A1 (de) * | 1978-11-17 | 1980-06-25 | Concast Holding Ag | Verfahren zur Behandlung von borhaltigem Stahl |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT327265B (de) * | 1970-05-29 | 1976-01-26 | Lenin Kohaszati Muvek | Verfahren mit besonderer desoxydation zur herstellung von gut zerspanbaren karbonstahlen |
| FR2109058A5 (enExample) * | 1970-07-23 | 1972-05-26 | Pechiney | |
| BE795333A (fr) * | 1972-03-01 | 1973-05-29 | Thyssen Niederrhein Ag | Procede de desulfuration de l'acier en fusion et poche pour sa mise en oeuvre |
| DE2321644B2 (de) * | 1973-04-28 | 1976-06-10 | Verfahren zum entschwefeln von stahlschmelzen | |
| US4073643A (en) * | 1973-05-29 | 1978-02-14 | Nippon Steel Corporation | Continuously cast steel slabs for steel sheets having excellent workabilities and method for production thereof |
| US4014684A (en) * | 1973-11-27 | 1977-03-29 | Foseco International Limited | Manufacture of steel |
| US4014685A (en) * | 1973-11-27 | 1977-03-29 | Foseco International Limited | Manufacture of steel |
| US3891425A (en) * | 1974-02-27 | 1975-06-24 | Special Metals Corp | Desulfurization of transition metal alloys |
| US3955966A (en) * | 1974-03-06 | 1976-05-11 | August Thyssen-Hutte Ag | Method for dispensing a fluidizable solid from a pressure vessel |
| DE2419070B2 (de) * | 1974-04-20 | 1976-03-04 | Thyssen Niederrhein AG Hütten- und Walzwerke, 4200 Oberhausen | Verfahren zur herstellung von stahl mit erhoehten zaehigkeitseigenschaften |
| US4067730A (en) * | 1974-04-20 | 1978-01-10 | Thyssen Niederrhein Ag Hutten-Und Walzwerke | Process for the production of steel with increased ductility |
| US3885956A (en) * | 1974-05-21 | 1975-05-27 | Rheinische Kalksteinwerke | Method and composition for the treatment of ferrous melts and process for making the treating composition |
| CA1069314A (en) * | 1974-09-20 | 1980-01-08 | Sumitomo Metal Industries, Ltd. | Process for the addition of calcium to molten steel |
| US4072511A (en) * | 1976-11-26 | 1978-02-07 | Harold Huston | Method of producing silicon containing cast iron |
| US4232854A (en) * | 1978-05-26 | 1980-11-11 | Barbakadze Dzhondo F | Method of introducing powdered reagents into molten metals and apparatus for effecting same |
| US4238227A (en) * | 1979-06-27 | 1980-12-09 | United States Steel Corporation | Cleansing of steel by gas rinsing |
| US4317678A (en) * | 1980-09-26 | 1982-03-02 | Union Carbide Corporation | Process for continuous casting of aluminum-deoxidized steel |
| US4392887A (en) * | 1981-12-04 | 1983-07-12 | Arbed S.A. | Method of desulfurizing an iron melt |
| GB2118209B (en) | 1982-02-12 | 1986-06-04 | Showa Denko Kk | Refining agent of molten metal and methods for producing the same |
| USRE31676E (en) * | 1982-09-29 | 1984-09-18 | Thyssen Aktiengesellschaft vorm August Thyssen-Hutte AG | Method and apparatus for dispensing a fluidizable solid from a pressure vessel |
| FR2542761B1 (fr) * | 1983-03-15 | 1987-10-16 | Vallourec | Procede de fabrication d'aciers a haute usinabilite |
| US4444590A (en) * | 1983-03-28 | 1984-04-24 | Esm Incorporated | Calcium-slag additive for steel desulfurization and method for making same |
| DE3347718C2 (de) * | 1983-09-02 | 1986-05-28 | Ulrich Dipl.-Ing. 5905 Freudenberg Glasmeyer | Verfahren zur Herstellung von Stählen mit hohem Reinheitsgrad und geringen Gasgehalten in Stahlwerken und Stahlgießereien |
| US4465513A (en) * | 1983-10-03 | 1984-08-14 | Union Carbide Corporation | Process to control the shape of inclusions in steels |
| FR2619396B1 (fr) * | 1987-08-12 | 1990-01-12 | Air Liquide | Procede de brassage en poche d'acier a l'aide d'anhydride carbonique |
| JP2575827B2 (ja) * | 1988-07-18 | 1997-01-29 | 川崎製鉄株式会社 | 清浄度に優れた連続鋳造用極低炭素鋼の製造方法 |
| DE4404313C2 (de) * | 1994-02-11 | 2002-08-01 | Ald Vacuum Techn Ag | Verfahren zum Aufschmelzen und Behandeln von Metallen und Anlage zur Durchführung des Verfahrens |
| RU2145358C1 (ru) * | 1998-08-20 | 2000-02-10 | Белорусский Металлургический Завод | Способ внепечной обработки стали |
-
1968
- 1968-10-07 GB GB47354/68A patent/GB1206062A/en not_active Expired
- 1968-10-10 US US766542A patent/US3575695A/en not_active Expired - Lifetime
- 1968-10-16 DE DE19681803377 patent/DE1803377B2/de active Pending
- 1968-10-16 SE SE13953/68A patent/SE361900B/xx unknown
- 1968-10-18 SU SU1277353A patent/SU367614A3/ru active
- 1968-10-18 FR FR1596638D patent/FR1596638A/fr not_active Expired
- 1968-10-18 BE BE722596D patent/BE722596A/xx not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0012226A1 (de) * | 1978-11-17 | 1980-06-25 | Concast Holding Ag | Verfahren zur Behandlung von borhaltigem Stahl |
Also Published As
| Publication number | Publication date |
|---|---|
| BE722596A (enExample) | 1969-04-01 |
| SU367614A3 (enExample) | 1973-01-23 |
| US3575695A (en) | 1971-04-20 |
| DE1803377A1 (de) | 1969-05-14 |
| FR1596638A (enExample) | 1970-06-22 |
| GB1206062A (en) | 1970-09-23 |
| SE361900B (enExample) | 1973-11-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SH | Request for examination between 03.10.1968 and 22.04.1971 |