DE2455847A1 - Entschwefelung von stahl - Google Patents
Entschwefelung von stahlInfo
- Publication number
- DE2455847A1 DE2455847A1 DE19742455847 DE2455847A DE2455847A1 DE 2455847 A1 DE2455847 A1 DE 2455847A1 DE 19742455847 DE19742455847 DE 19742455847 DE 2455847 A DE2455847 A DE 2455847A DE 2455847 A1 DE2455847 A1 DE 2455847A1
- Authority
- DE
- Germany
- Prior art keywords
- aggregate material
- weight
- material according
- steel
- aggregate
- 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.)
- Withdrawn
Links
- 238000006477 desulfuration reaction Methods 0.000 title claims description 6
- 230000023556 desulfurization Effects 0.000 title claims description 6
- 239000000463 material Substances 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 19
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 14
- 230000001603 reducing effect Effects 0.000 claims description 12
- 239000010436 fluorite Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 7
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 239000004571 lime Substances 0.000 claims description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 7
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 239000003345 natural gas Substances 0.000 claims description 3
- 239000001294 propane Substances 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims description 2
- 229910001515 alkali metal fluoride Inorganic materials 0.000 claims description 2
- 229910001618 alkaline earth metal fluoride Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000011775 sodium fluoride Substances 0.000 claims description 2
- 235000013024 sodium fluoride Nutrition 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims 1
- 239000003570 air Substances 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 16
- 229910052717 sulfur Inorganic materials 0.000 description 16
- 239000011593 sulfur Substances 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 15
- 239000002184 metal Substances 0.000 description 15
- 239000002893 slag Substances 0.000 description 10
- 238000010079 rubber tapping Methods 0.000 description 8
- 239000011734 sodium Substances 0.000 description 7
- 229910004261 CaF 2 Inorganic materials 0.000 description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 5
- 238000007664 blowing Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 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 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910021346 calcium silicide Inorganic materials 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000003466 welding 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
- C21C7/064—Dephosphorising; Desulfurising
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB54996/73A GB1484258A (en) | 1973-11-27 | 1973-11-27 | Flux composition for desulphurising molten metal |
| GB1871274 | 1974-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2455847A1 true DE2455847A1 (de) | 1975-05-28 |
Family
ID=26253563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742455847 Withdrawn DE2455847A1 (de) | 1973-11-27 | 1974-11-26 | Entschwefelung von stahl |
Country Status (10)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3218975A1 (de) * | 1981-05-20 | 1982-12-16 | Nuova Italsider S.p.A., Genova | Verfahren zum frischen von eisen in sauerstoffkonvertern mit zusaetzen natriumcarbonat-haltiger materialien |
| DE3304762A1 (de) * | 1982-02-12 | 1983-09-08 | Showa Denko K.K., Tokyo | Veredelungsmittel fuer metalle und verfahren zu dessen herstellung |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4177070A (en) * | 1976-03-09 | 1979-12-04 | Antipenko Grigory I | Exothermic slag-forming mixture |
| WO1979000398A1 (en) * | 1977-12-16 | 1979-07-12 | Foseco Int | Desulphurisation of ferrous metals |
| US4142887A (en) * | 1978-02-21 | 1979-03-06 | Reactive Metals & Alloys Corporation | Steel ladle desulfurization compositions and methods of steel desulfurization |
| JPS54131521A (en) * | 1978-04-04 | 1979-10-12 | Showa Denko Kk | Antidigestive calcic smelting agent for steel |
| JPS55110712A (en) * | 1979-02-15 | 1980-08-26 | Kawasaki Steel Corp | Desulfurizing agent for blowing-in |
| US4217134A (en) * | 1979-06-13 | 1980-08-12 | Molten Steel Products, Inc. | Compositions and methods for desulphurizing molten ferrous metals |
| US4279643A (en) * | 1980-04-08 | 1981-07-21 | Reactive Metals & Alloys Corporation | Magnesium bearing compositions for and method of steel desulfurization |
| JPS58151416A (ja) * | 1982-03-03 | 1983-09-08 | Sumitomo Metal Ind Ltd | クロムを含む溶融鉄合金の脱燐・脱硫方法 |
| FR2541310B1 (fr) * | 1983-02-18 | 1990-01-26 | Lafarge Fondu Int | Procede de fabrication d'une scorie de desulfuration de l'acier |
| US5000782A (en) * | 1986-11-03 | 1991-03-19 | United Technologies Corporation | Powder mixture for making yttrium enriched aluminide coatings |
| US5407459A (en) * | 1993-09-23 | 1995-04-18 | Alcan International Limited | Process for the preparation of calcium aluminates from aluminum dross residues |
| US20050056120A1 (en) * | 2003-09-15 | 2005-03-17 | Flores-Morales Jose Ignacio | Desulphurization of ferrous materials using sodium silicate |
| US20050066772A1 (en) * | 2003-09-26 | 2005-03-31 | Flores-Morales Jose Ignacio | Desulphurization of ferrous materials using glass cullet |
| US7618473B1 (en) * | 2003-10-27 | 2009-11-17 | Rodney L. Naro | Method for improving operational efficiency in clogged induction melting and pouring furnaces |
| CN100500875C (zh) * | 2006-04-04 | 2009-06-17 | 梁新亚 | 复合型铁水脱硫剂 |
| CN100564548C (zh) * | 2007-10-10 | 2009-12-02 | 攀钢集团攀枝花钢铁研究院 | 一种转炉炼钢渣洗用高碱度精炼渣 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3410681A (en) * | 1965-09-28 | 1968-11-12 | Fur Tech Entwicklung Und Verwe | Composition for the treatment of steel |
| GB1156845A (en) * | 1966-08-16 | 1969-07-02 | Foseco Int | Improvements in or relating to Metal Casting. |
| US3467167A (en) * | 1966-09-19 | 1969-09-16 | Kaiser Ind Corp | Process for continuously casting oxidizable metals |
| GB1170168A (en) * | 1967-03-17 | 1969-11-12 | Foseco Int | Treatment of Molten Metal. |
| GB1206062A (en) * | 1967-10-18 | 1970-09-23 | Nippon Kokan Kk | Deoxidation method |
| US3802865A (en) * | 1969-08-29 | 1974-04-09 | Nippon Kokan Kk | Self soluble slag forming agents for use in steel making |
| JPS5030571B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1970-03-27 | 1975-10-02 | ||
| GB1288872A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1970-04-20 | 1972-09-13 | ||
| US3799762A (en) * | 1971-05-17 | 1974-03-26 | Carad | Slag conditioner for iron and steel processes |
| US3695946A (en) * | 1971-11-24 | 1972-10-03 | Forges De La Loire Comp D Atel | Method of manufacturing oriented grain magnetic steel sheets |
-
1974
- 1974-11-14 US US05/523,836 patent/US4014685A/en not_active Expired - Lifetime
- 1974-11-25 SE SE7414784A patent/SE425174B/xx unknown
- 1974-11-25 BR BR9856/74A patent/BR7409856A/pt unknown
- 1974-11-26 PL PL1974175935A patent/PL91798B1/pl unknown
- 1974-11-26 CA CA214,696A patent/CA1044898A/en not_active Expired
- 1974-11-26 IT IT70442/74A patent/IT1024912B/it active
- 1974-11-26 DE DE19742455847 patent/DE2455847A1/de not_active Withdrawn
- 1974-11-27 JP JP13763774A patent/JPS5626688B2/ja not_active Expired
- 1974-11-27 FR FR7438871A patent/FR2252410B1/fr not_active Expired
- 1974-11-27 ES ES432345A patent/ES432345A1/es not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3218975A1 (de) * | 1981-05-20 | 1982-12-16 | Nuova Italsider S.p.A., Genova | Verfahren zum frischen von eisen in sauerstoffkonvertern mit zusaetzen natriumcarbonat-haltiger materialien |
| DE3304762A1 (de) * | 1982-02-12 | 1983-09-08 | Showa Denko K.K., Tokyo | Veredelungsmittel fuer metalle und verfahren zu dessen herstellung |
Also Published As
| Publication number | Publication date |
|---|---|
| ES432345A1 (es) | 1977-02-01 |
| SE425174B (sv) | 1982-09-06 |
| AU7577574A (en) | 1976-05-27 |
| IT1024912B (it) | 1978-07-20 |
| US4014685A (en) | 1977-03-29 |
| SE7414784L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-05-28 |
| JPS5093814A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-07-26 |
| PL91798B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-03-31 |
| CA1044898A (en) | 1978-12-26 |
| FR2252410A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-06-20 |
| BR7409856A (pt) | 1976-05-25 |
| JPS5626688B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-06-20 |
| FR2252410B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2455847A1 (de) | Entschwefelung von stahl | |
| DE69227014T2 (de) | Verfahren zum Raffinieren von sehr reinem Stahl | |
| DD143632A5 (de) | Verfahren zur aufbereitung von eisenlegierungen | |
| DE112022000186T5 (de) | Nickellegierung mit überlegenen Oberflächeneigenschaften und Verfahren zur Herstellung derselben | |
| DE2455802C2 (de) | Zuschlag zur Entschwefelung von Eisen | |
| EP0166019B1 (de) | Verfahren zur Entschwefelung von Roheisen | |
| DE2322604C3 (de) | Verfahren zum Entschwefeln von in der Pfanne vollständig desoxidiertem, flüssigen Stahl | |
| DE2642838C2 (de) | Verfahren zum Desoxydieren und Entschwefeln von Stahlschmelzen | |
| EP0410360A1 (de) | Mittel zum Behandeln von Gusseisenschmelzen | |
| DE2602536A1 (de) | Verfahren zur herstellung von schwefelarmen blasstahl | |
| DE2612500C3 (de) | Reduktionsmittel für die Stahlherstellung | |
| EP0175924B1 (de) | Verfahren zum Frischen von Roheisen | |
| DE3836549C1 (en) | Process for desulphurising molten crude iron | |
| EP0220522A1 (de) | Entschwefelungsgemisch für Metallschmelzen, ein Verfahren zu seiner Herstellung und seine Verwendung | |
| DE1408878C3 (de) | Behandlungsgemisch für Stahlschmelzen | |
| DE2303668C3 (de) | Zubereitungen zur Behandlung von geschmolzenem Stahl | |
| EP0011779B1 (de) | Verfahren zur Erhöhung der Haltbarkeit basischer Ausmauerungen von Konvertern beim Frischen von Roheisen zu Stahl | |
| AT337231B (de) | Verfahren zur herstellung von stahlen hoher reinheit im elektrischen lichtbogenofen | |
| EP0779368B1 (de) | Verfahren zur Entschwefelung von Roheisenschmelzen | |
| DE2658315C2 (de) | Reduktionsmittel für die Stahlherstellung | |
| DE2309748A1 (de) | Zubereitung zur behandlung von stahl. | |
| DE1583268B1 (de) | Mittel zur Entschwefelung von fluessigem Eisen auf der Basis von technischem Kalkstickstoff und Verfahren zur Entschwefelung von Eisen | |
| DE975124C (de) | Verfahren zum Herstellen von beruhigtem, silizium- und/oder aluminiumhaltigem Siemens-Martin-Stahl | |
| DE973695C (de) | Verfahren zur Herstellung von schwefel- und phosphorarmem desoxydiertem Gusseisen | |
| DD235673A5 (de) | Verfahren zur herstellung von gusseisen mit kugelgraphit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8130 | Withdrawal |