DE2061122C3 - Verfahren zur kontrollierten Entkohlung von Metall-, insbesondere Stahlschmelzen unter vermindertem Druck in geschlossenen Gefäßen - Google Patents
Verfahren zur kontrollierten Entkohlung von Metall-, insbesondere Stahlschmelzen unter vermindertem Druck in geschlossenen GefäßenInfo
- Publication number
- DE2061122C3 DE2061122C3 DE2061122A DE2061122A DE2061122C3 DE 2061122 C3 DE2061122 C3 DE 2061122C3 DE 2061122 A DE2061122 A DE 2061122A DE 2061122 A DE2061122 A DE 2061122A DE 2061122 C3 DE2061122 C3 DE 2061122C3
- Authority
- DE
- Germany
- Prior art keywords
- pressure
- fresh
- vessel
- decarburization
- metal
- 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 27
- 238000005261 decarburization Methods 0.000 title claims description 24
- 239000000161 steel melt Substances 0.000 title claims description 3
- 229910052751 metal Inorganic materials 0.000 title description 17
- 239000002184 metal Substances 0.000 title description 17
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 239000007800 oxidant agent Substances 0.000 claims description 18
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 230000003647 oxidation Effects 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 6
- 238000005275 alloying Methods 0.000 claims description 2
- 238000007670 refining Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 23
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 17
- 239000001301 oxygen Substances 0.000 description 16
- 229910052760 oxygen Inorganic materials 0.000 description 16
- 239000011261 inert gas Substances 0.000 description 12
- 239000000155 melt Substances 0.000 description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 239000011651 chromium Substances 0.000 description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 6
- 229910044991 metal oxide Inorganic materials 0.000 description 6
- 150000004706 metal oxides Chemical class 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- -1 etc. Inorganic materials 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910016287 MxOy Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- OYFJQPXVCSSHAI-QFPUQLAESA-N enalapril maleate Chemical compound OC(=O)\C=C/C(O)=O.C([C@@H](C(=O)OCC)N[C@@H](C)C(=O)N1[C@@H](CCC1)C(O)=O)CC1=CC=CC=C1 OYFJQPXVCSSHAI-QFPUQLAESA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 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
- C21C7/10—Handling in a vacuum
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 |
|---|---|---|---|
| US75170A | 1970-01-05 | 1970-01-05 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2061122A1 DE2061122A1 (de) | 1971-07-15 |
| DE2061122B2 DE2061122B2 (de) | 1981-07-30 |
| DE2061122C3 true DE2061122C3 (de) | 1982-11-25 |
Family
ID=21692872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2061122A Expired DE2061122C3 (de) | 1970-01-05 | 1970-12-11 | Verfahren zur kontrollierten Entkohlung von Metall-, insbesondere Stahlschmelzen unter vermindertem Druck in geschlossenen Gefäßen |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3700429A (enExample) |
| JP (1) | JPS5543047B1 (enExample) |
| AT (1) | AT318675B (enExample) |
| BE (1) | BE760724A (enExample) |
| CA (1) | CA946163A (enExample) |
| DE (1) | DE2061122C3 (enExample) |
| ES (1) | ES386534A1 (enExample) |
| FR (1) | FR2075921B1 (enExample) |
| GB (1) | GB1335397A (enExample) |
| SE (1) | SE392733B (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3847593A (en) * | 1971-07-13 | 1974-11-12 | Centro Speriment Metallurg | Process for refining metals, in particular liquid pig iron, in oxygen converters with continuous control of the operative procedure |
| DE2438122A1 (de) * | 1974-08-08 | 1976-02-19 | Witten Edelstahl | Verfahren zum vakuumentkohlen von metallschmelzen |
| JPS5442324A (en) * | 1977-09-10 | 1979-04-04 | Nisshin Steel Co Ltd | Control procedure of steel making process using mass spectrometer |
| JPS569319A (en) * | 1979-07-05 | 1981-01-30 | Nippon Steel Corp | Vacuum treatment controller for molten steel |
| FR2472615A1 (fr) | 1979-11-28 | 1981-07-03 | Merrien Pierre | Procede et dispositif d'automatisation d'un cycle de degazage sous vide d'alliages d'aluminium |
| US4541862A (en) * | 1982-11-30 | 1985-09-17 | A. Finkl & Sons Co. | Ladle steelmaking method and apparatus |
| DE4243687C1 (de) * | 1992-12-18 | 1994-02-17 | Mannesmann Ag | Vakuumanlage, insbesondere für die Sekundärmetallurgie |
| RU2064660C1 (ru) * | 1993-12-06 | 1996-07-27 | Акционерное общество "Нижнетагильский металлургический комбинат" | Устройство для контроля состояния зеркала расплавленного металла |
| US5417739A (en) * | 1993-12-30 | 1995-05-23 | Ltv Steel Company, Inc. | Method of making high nitrogen content steel |
| US5865876A (en) * | 1995-06-07 | 1999-02-02 | Ltv Steel Company, Inc. | Multipurpose lance |
| US5830259A (en) * | 1996-06-25 | 1998-11-03 | Ltv Steel Company, Inc. | Preventing skull accumulation on a steelmaking lance |
| US5885323A (en) * | 1997-04-25 | 1999-03-23 | Ltv Steel Company, Inc. | Foamy slag process using multi-circuit lance |
| KR20070089186A (ko) * | 2004-12-13 | 2007-08-30 | 사이토스 바이오테크놀로지 아게 | Ｉｌ-15 항원 어레이 및 그 용도 |
| GB0427832D0 (en) * | 2004-12-20 | 2005-01-19 | Boc Group Plc | Degassing molten metal |
| CN115124161A (zh) * | 2022-05-13 | 2022-09-30 | 华能山东发电有限公司烟台发电厂 | 一种延长发电机转子冷却水处理装置树脂使用周期的方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1343235A (fr) * | 1962-12-21 | 1963-11-15 | Nippon Kokan Kk | Procédé pour la production de ferrochrome sans carbone |
| US3420657A (en) * | 1966-02-14 | 1969-01-07 | Union Carbide Corp | Oxygen treatment of chromium alloys |
-
1970
- 1970-01-05 US US751A patent/US3700429A/en not_active Expired - Lifetime
- 1970-12-11 DE DE2061122A patent/DE2061122C3/de not_active Expired
- 1970-12-14 AT AT1120370A patent/AT318675B/de active
- 1970-12-16 ES ES386534A patent/ES386534A1/es not_active Expired
- 1970-12-21 FR FR7046098A patent/FR2075921B1/fr not_active Expired
- 1970-12-22 CA CA101,226A patent/CA946163A/en not_active Expired
- 1970-12-23 BE BE760724A patent/BE760724A/xx unknown
- 1970-12-29 GB GB6157370A patent/GB1335397A/en not_active Expired
- 1970-12-29 SE SE7017674A patent/SE392733B/xx unknown
-
1971
- 1971-01-04 JP JP1271A patent/JPS5543047B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5543047B1 (enExample) | 1980-11-04 |
| GB1335397A (en) | 1973-10-24 |
| DE2061122B2 (de) | 1981-07-30 |
| BE760724A (fr) | 1971-06-23 |
| DE2061122A1 (de) | 1971-07-15 |
| FR2075921A1 (enExample) | 1971-10-15 |
| FR2075921B1 (enExample) | 1974-09-20 |
| AT318675B (de) | 1974-11-11 |
| CA946163A (en) | 1974-04-30 |
| US3700429A (en) | 1972-10-24 |
| ES386534A1 (es) | 1973-11-16 |
| SE392733B (sv) | 1977-04-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8227 | New person/name/address of the applicant |
Free format text: ALLEGHENY LUDLUM STEEL CORP., PITTSBURGH, PA., US |
|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |