SK283186B6 - Spôsob oduhličenia oceľovej taveniny - Google Patents
Spôsob oduhličenia oceľovej taveniny Download PDFInfo
- Publication number
- SK283186B6 SK283186B6 SK501-98A SK50198A SK283186B6 SK 283186 B6 SK283186 B6 SK 283186B6 SK 50198 A SK50198 A SK 50198A SK 283186 B6 SK283186 B6 SK 283186B6
- Authority
- SK
- Slovakia
- Prior art keywords
- decarburization
- phase
- oxygen
- main
- rate
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000008569 process Effects 0.000 title claims abstract description 25
- 239000000161 steel melt Substances 0.000 title claims abstract description 8
- 229910001220 stainless steel Inorganic materials 0.000 title 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000001301 oxygen Substances 0.000 claims abstract description 47
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 47
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 33
- 230000003647 oxidation Effects 0.000 claims abstract description 32
- 239000011651 chromium Substances 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 15
- 230000007704 transition Effects 0.000 claims abstract description 12
- 229910018125 Al-Si Inorganic materials 0.000 claims abstract description 5
- 229910018520 Al—Si Inorganic materials 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 238000005261 decarburization Methods 0.000 claims description 108
- 229910052799 carbon Inorganic materials 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 239000000155 melt Substances 0.000 claims description 18
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 claims description 16
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 11
- 230000007423 decrease Effects 0.000 claims description 10
- 239000003546 flue gas Substances 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 101000929885 Bacillus subtilis (strain 168) Isochorismatase Proteins 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002893 slag Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000011572 manganese Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004886 process control Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 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
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- 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
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)
- Heat Treatment Of Articles (AREA)
- Coating With Molten Metal (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19540490A DE19540490C1 (de) | 1995-10-23 | 1995-10-23 | Verfahren zum Entkohlen einer Stahlschmelze |
| PCT/DE1996/001970 WO1997015692A1 (de) | 1995-10-23 | 1996-10-14 | Verfahren zum entkohlen einer hochchromhaltigen stahlschmelze |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SK50198A3 SK50198A3 (en) | 1999-01-11 |
| SK283186B6 true SK283186B6 (sk) | 2003-03-04 |
Family
ID=7776226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SK501-98A SK283186B6 (sk) | 1995-10-23 | 1996-10-14 | Spôsob oduhličenia oceľovej taveniny |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US6093235A (de) |
| EP (1) | EP0857222B1 (de) |
| JP (1) | JP3190351B2 (de) |
| KR (1) | KR100275100B1 (de) |
| CN (1) | CN1063493C (de) |
| AT (1) | ATE188511T1 (de) |
| AU (1) | AU701824B2 (de) |
| BR (1) | BR9611224A (de) |
| CZ (1) | CZ125298A3 (de) |
| DE (2) | DE19540490C1 (de) |
| ES (1) | ES2140912T3 (de) |
| PL (1) | PL186610B1 (de) |
| RU (1) | RU2139355C1 (de) |
| SK (1) | SK283186B6 (de) |
| WO (1) | WO1997015692A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6923843B1 (en) * | 2001-11-13 | 2005-08-02 | Nupro Corporation | Method for oxygen injection in metallurgical process requiring variable oxygen feed rate |
| DE102005032929A1 (de) * | 2004-11-12 | 2006-05-18 | Sms Demag Ag | Herstellung von Rostfreistahl der ferritischen Stahlgruppe AISI 4xx in einem AOD-Konverter |
| DE102009060258A1 (de) * | 2009-12-23 | 2011-06-30 | SMS Siemag Aktiengesellschaft, 40237 | Steuerung des Konverterprozesses durch Abgassignale |
| DE102010035411A1 (de) * | 2010-08-25 | 2012-03-01 | Sms Siemag Ag | Verfahren zur Temperaturkontrolle des Metallbades während des Blasprozesses in einem Konverter |
| DE102018121232A1 (de) | 2018-08-30 | 2020-03-05 | Sms Group Gmbh | Verfahren zur analytischen Bestimmung des kritischen Prozessmoments bei der Entkohlung von Stahl- und Legierungsschmelzen |
| US11794228B2 (en) | 2021-03-18 | 2023-10-24 | Saudi Arabian Oil Company | High performance alloy for corrosion resistance |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US29584A (en) * | 1860-08-14 | Bardwell a | ||
| GB1156722A (en) * | 1965-05-13 | 1969-07-02 | Sumitomo Metal Ind | Method for Controlling the Carbon Content in and/or the Temperature of the Molten Steel in the Refining Process of the Steel |
| US3754895A (en) * | 1971-01-27 | 1973-08-28 | Allegheny Ludlum Ind Inc | Process for decarburization of steels |
| US3816720A (en) * | 1971-11-01 | 1974-06-11 | Union Carbide Corp | Process for the decarburization of molten metal |
| US3861888A (en) | 1973-06-28 | 1975-01-21 | Union Carbide Corp | Use of CO{HD 2 {B in argon-oxygen refining of molten metal |
| DE2438122A1 (de) * | 1974-08-08 | 1976-02-19 | Witten Edelstahl | Verfahren zum vakuumentkohlen von metallschmelzen |
| JPS569319A (en) * | 1979-07-05 | 1981-01-30 | Nippon Steel Corp | Vacuum treatment controller for molten steel |
| US4405365A (en) * | 1982-08-30 | 1983-09-20 | Pennsylvania Engineering Corporation | Method for the fabrication of special steels in metallurgical vessels |
| SE452475B (sv) * | 1983-03-21 | 1987-11-30 | Nippon Yakin Kogyo Co Ltd | Forfarande for datorstyrd avkolning av en stalsmelta |
| US4564390A (en) * | 1984-12-21 | 1986-01-14 | Olin Corporation | Decarburizing a metal or metal alloy melt |
| CA1333663C (en) * | 1987-09-09 | 1994-12-27 | Haruyoshi Tanabe | Method of decarburizing high cr molten metal |
| US4944799A (en) * | 1987-09-10 | 1990-07-31 | Nkk Corporation | Method of producing stainless molten steel by smelting reduction |
| JP2850407B2 (ja) * | 1989-04-18 | 1999-01-27 | 大同特殊鋼株式会社 | 含クロム溶鋼の精錬法 |
| US5584909A (en) * | 1995-01-19 | 1996-12-17 | Ltv Steel Company, Inc. | Controlled foamy slag process |
| DE19621143A1 (de) * | 1996-01-31 | 1997-08-07 | Mannesmann Ag | Verfahren zur Erzeugung nichtrostender Stähle |
-
1995
- 1995-10-23 DE DE19540490A patent/DE19540490C1/de not_active Expired - Fee Related
-
1996
- 1996-10-14 PL PL96326503A patent/PL186610B1/pl unknown
- 1996-10-14 DE DE59604131T patent/DE59604131D1/de not_active Expired - Lifetime
- 1996-10-14 CZ CZ981252A patent/CZ125298A3/cs unknown
- 1996-10-14 BR BR9611224A patent/BR9611224A/pt not_active IP Right Cessation
- 1996-10-14 AT AT96938964T patent/ATE188511T1/de active
- 1996-10-14 RU RU98109904/02A patent/RU2139355C1/ru not_active IP Right Cessation
- 1996-10-14 AU AU76197/96A patent/AU701824B2/en not_active Ceased
- 1996-10-14 CN CN96197803A patent/CN1063493C/zh not_active Expired - Fee Related
- 1996-10-14 ES ES96938964T patent/ES2140912T3/es not_active Expired - Lifetime
- 1996-10-14 WO PCT/DE1996/001970 patent/WO1997015692A1/de not_active Application Discontinuation
- 1996-10-14 US US09/066,483 patent/US6093235A/en not_active Expired - Fee Related
- 1996-10-14 JP JP51618997A patent/JP3190351B2/ja not_active Expired - Fee Related
- 1996-10-14 EP EP96938964A patent/EP0857222B1/de not_active Expired - Lifetime
- 1996-10-14 SK SK501-98A patent/SK283186B6/sk unknown
- 1996-10-14 KR KR1019980701953A patent/KR100275100B1/ko not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR19990044696A (ko) | 1999-06-25 |
| CN1063493C (zh) | 2001-03-21 |
| PL186610B1 (pl) | 2004-01-30 |
| BR9611224A (pt) | 1999-04-06 |
| PL326503A1 (en) | 1998-09-28 |
| DE19540490C1 (de) | 1997-04-10 |
| WO1997015692A1 (de) | 1997-05-01 |
| ATE188511T1 (de) | 2000-01-15 |
| EP0857222B1 (de) | 2000-01-05 |
| AU7619796A (en) | 1997-05-15 |
| ES2140912T3 (es) | 2000-03-01 |
| RU2139355C1 (ru) | 1999-10-10 |
| CZ125298A3 (cs) | 1998-08-12 |
| EP0857222A1 (de) | 1998-08-12 |
| AU701824B2 (en) | 1999-02-04 |
| MX9802987A (es) | 1998-09-30 |
| JP3190351B2 (ja) | 2001-07-23 |
| US6093235A (en) | 2000-07-25 |
| SK50198A3 (en) | 1999-01-11 |
| DE59604131D1 (de) | 2000-02-10 |
| JPH11504079A (ja) | 1999-04-06 |
| CN1200768A (zh) | 1998-12-02 |
| KR100275100B1 (ko) | 2000-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3816720A (en) | Process for the decarburization of molten metal | |
| CN112481439A (zh) | 一种转炉低磷钢的冶炼工艺 | |
| SK283186B6 (sk) | Spôsob oduhličenia oceľovej taveniny | |
| TWI400339B (zh) | 在一ａｏｄ轉爐中製造肥粒鐵式鋼族ａｉｓｉ ４ｘｘ的不銹鋼的方法 | |
| US4474605A (en) | Process for refining high-chromium steels | |
| US5190577A (en) | Replacement of argon with carbon dioxide in a reactor containing molten metal for the purpose of refining molten metal | |
| Zhou et al. | Process model for manufacturing 400 series stainless steel with purified CO2 as an auxiliary oxidant and realizing carbon cycle | |
| JP4554596B2 (ja) | 炉内アルミニウム処理方法 | |
| FI66197B (fi) | Foerfarande foer att reglera temperaturen hos en staolsmaelta vid pneumatisk raffinering | |
| MXPA98002987A (en) | Method for uncovering a colada de ac | |
| FR2474531A1 (fr) | Procede de decarburation des fontes au chrome, pour l'elaboration d'aciers inoxydables, par jet d'oxygene supersonique | |
| GB1598909A (en) | Power for controlling a steel refining process for steels having a carbon content within the range of 0.1 to 0.8% by weight | |
| US4066442A (en) | Method of making chrome steel in an electric arc furnace | |
| Madhavan et al. | Heat Transfer in a BOF Converter | |
| JPH04103706A (ja) | 上底吹転炉における終点炭素濃度制御法 | |
| JP2996576B2 (ja) | 転炉製鋼法 | |
| JP4757387B2 (ja) | 溶銑脱珪方法 | |
| SU1252350A1 (ru) | Способ управлени плавкой стали в конверторе | |
| JPH0277513A (ja) | 溶銑の予備処理方法 | |
| SU1544813A1 (ru) | Способ выплавки низко- и среднеуглеродистой стали в двухванном сталеплавильном агрегате | |
| JPH11217618A (ja) | ステンレス鋼の転炉精錬方法 | |
| JPH03274215A (ja) | 溶銑の脱燐予備処理方法 | |
| Nagahata et al. | Development of IR-UT Process | |
| WO1998049353A2 (en) | Method for melting steel in a converter | |
| JPH10296405A (ja) | 転炉出鋼温度設定方法 |