SE413780B - Sett for reglering av stalferskning - Google Patents
Sett for reglering av stalferskningInfo
- Publication number
- SE413780B SE413780B SE7214068A SE1406872A SE413780B SE 413780 B SE413780 B SE 413780B SE 7214068 A SE7214068 A SE 7214068A SE 1406872 A SE1406872 A SE 1406872A SE 413780 B SE413780 B SE 413780B
- Authority
- SE
- Sweden
- Prior art keywords
- temperature
- carbon
- partial pressure
- control means
- oxygen
- Prior art date
Links
- 229910052799 carbon Inorganic materials 0.000 claims description 81
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 73
- 239000007789 gas Substances 0.000 claims description 61
- 238000000034 method Methods 0.000 claims description 55
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 53
- 229910052760 oxygen Inorganic materials 0.000 claims description 50
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 49
- 239000001301 oxygen Substances 0.000 claims description 49
- 229910052751 metal Inorganic materials 0.000 claims description 44
- 239000002184 metal Substances 0.000 claims description 40
- 239000000203 mixture Substances 0.000 claims description 36
- 239000011651 chromium Substances 0.000 claims description 35
- 230000000694 effects Effects 0.000 claims description 33
- 238000007254 oxidation reaction Methods 0.000 claims description 33
- 230000003647 oxidation Effects 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 229910052804 chromium Inorganic materials 0.000 claims description 28
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 26
- 229910052742 iron Inorganic materials 0.000 claims description 24
- 239000011572 manganese Substances 0.000 claims description 24
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 22
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 21
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 21
- 239000011261 inert gas Substances 0.000 claims description 20
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 229910052748 manganese Inorganic materials 0.000 claims description 18
- 229910052710 silicon Inorganic materials 0.000 claims description 16
- 239000000155 melt Substances 0.000 claims description 15
- 229910052786 argon Inorganic materials 0.000 claims description 13
- 239000010703 silicon Substances 0.000 claims description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000003085 diluting agent Substances 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000010790 dilution Methods 0.000 claims description 7
- 239000012895 dilution Substances 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 239000010955 niobium Substances 0.000 claims description 4
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 4
- 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 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 2
- 229910000616 Ferromanganese Inorganic materials 0.000 claims description 2
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052743 krypton Inorganic materials 0.000 claims description 2
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 229910052754 neon Inorganic materials 0.000 claims description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 229910052724 xenon Inorganic materials 0.000 claims description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims 3
- 230000000052 comparative effect Effects 0.000 claims 1
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 13
- 238000005261 decarburization Methods 0.000 description 12
- 239000002893 slag Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 239000011819 refractory material Substances 0.000 description 8
- 230000006870 function Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000007792 addition Methods 0.000 description 4
- 229910052681 coesite Inorganic materials 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 238000009628 steelmaking Methods 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 241001325209 Nama Species 0.000 description 2
- 238000003287 bathing Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 241000382928 Oxya Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- -1 temperature 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
- C21C7/04—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)
- Treatment Of Steel In Its Molten State (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00194454A US3816720A (en) | 1971-11-01 | 1971-11-01 | Process for the decarburization of molten metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE413780B true SE413780B (sv) | 1980-06-23 |
Family
ID=22717660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7214068A SE413780B (sv) | 1971-11-01 | 1972-10-31 | Sett for reglering av stalferskning |
Country Status (10)
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1559688A (en) * | 1976-04-30 | 1980-01-23 | British Steel Corp | Refining molten metal |
| SU752162A1 (ru) * | 1977-06-13 | 1980-07-30 | Ордена Ленина Институт Кибернетики Ан Украинской Сср | Устройство дл контрол концентрации углерода в жидком металле |
| SU813216A1 (ru) * | 1977-06-13 | 1981-03-15 | Ордена Ленина Институт Кибернетикиан Украинской Ccp | Устройство дл контрол концентра-ции углЕРОдА B жидКОМ МЕТАллЕ |
| FR2396290A1 (fr) * | 1977-06-28 | 1979-01-26 | Inst Kib Akademii | Procede et dispositif d'identification de l'effet thermique de la transformation de phase des metaux et des alliages au cours de leur refroidissement |
| JPS57145917A (en) * | 1981-03-03 | 1982-09-09 | Sumitomo Metal Ind Ltd | Refining method for high chromium steel |
| JPS5855519A (ja) * | 1981-09-29 | 1983-04-01 | Nippon Yakin Kogyo Co Ltd | コンピユ−タ−・シミユレ−シヨンによるａｏｄ炉操業の制御方法 |
| US4436553A (en) | 1982-01-22 | 1984-03-13 | Union Carbide Corporation | Process to produce low hydrogen steel |
| SE452475B (sv) * | 1983-03-21 | 1987-11-30 | Nippon Yakin Kogyo Co Ltd | Forfarande for datorstyrd avkolning av en stalsmelta |
| US4551175A (en) * | 1984-04-17 | 1985-11-05 | Union Carbide Corporation | Method for controlling slag chemistry in a refining vessel |
| US4529443A (en) * | 1984-04-26 | 1985-07-16 | Allegheny Ludlum Steel Corporation | System and method for producing steel in a top-blown vessel |
| DE3601337A1 (de) * | 1986-01-16 | 1987-07-23 | Mannesmann Ag | Verfahren zur herstellung hochlegierter staehle im sauerstoffblaskonverter |
| US4711430A (en) * | 1986-04-01 | 1987-12-08 | Union Carbide Corporation | Side-injected metal refining vessel and method |
| US4647019A (en) * | 1986-04-01 | 1987-03-03 | Union Carbide Corporation | Very small refining vessel |
| US4708738A (en) * | 1986-04-01 | 1987-11-24 | Union Carbide Corporation | Method for refining very small heats of molten metal |
| US5423926A (en) * | 1991-09-10 | 1995-06-13 | Nippon Steel Corporation | Method of controlling heat input to an alloying furnace for manufacturing hot galvanized and alloyed band steel |
| US5327357A (en) * | 1991-12-03 | 1994-07-05 | Praxair Technology, Inc. | Method of decarburizing molten metal in the refining of steel using neural networks |
| DE4324528C2 (de) * | 1993-07-21 | 2002-12-12 | Siemens Ag | Recheneinrichtung zur Bestimmung von Entschwefelungszusätzen für eine Stahlschmelze und Stahlschmelze mit Entschwefelungszusätzen |
| EP0642019A3 (en) * | 1993-09-03 | 1996-09-25 | Heraeus Electronite Co Ltd | Method and apparatus for sequential and continuous determination of carbon, hydrogen and nitrogen concentrations in molten steel, and method and apparatus for rapidly determining trace amounts of carbon in molten steel. |
| DE19540490C1 (de) * | 1995-10-23 | 1997-04-10 | Mannesmann Ag | Verfahren zum Entkohlen einer Stahlschmelze |
| US6591215B1 (en) * | 1999-02-18 | 2003-07-08 | Furnace Control Corp. | Systems and methods for controlling the activity of carbon in heat treating atmospheres |
| ITRM20010146A1 (it) * | 2001-03-21 | 2002-09-21 | Acciai Speciali Terni Spa | Metodo e sistema di controllo per convertitori aod. |
| US6830606B2 (en) * | 2001-07-02 | 2004-12-14 | Nippon Steel Corporation | Method for decarbonization refining of chromium-containing molten steel |
| US6854573B2 (en) | 2001-10-25 | 2005-02-15 | Lord Corporation | Brake with field responsive material |
| US8397883B2 (en) * | 2001-10-25 | 2013-03-19 | Lord Corporation | Brake with field responsive material |
| 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 |
| CN113523291B (zh) * | 2021-07-09 | 2023-08-15 | 辽宁冠达新材料科技有限公司 | 一种气雾化制备a100超高强度合金钢粉末的方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3252790A (en) * | 1956-06-27 | 1966-05-24 | Union Carbide Corp | Preparation of metals and alloys |
| NL270519A (enrdf_load_stackoverflow) * | 1960-11-18 | |||
| BE610265A (enrdf_load_stackoverflow) * | 1960-11-18 | |||
| US3329495A (en) * | 1963-09-26 | 1967-07-04 | Yawata Iron & Steel Co | Process for measuring the value of carbon content of a steel bath in an oxygen top-blowing converter |
| FR1402856A (fr) * | 1963-12-03 | 1965-06-18 | Siderurgie Fse Inst Rech | Procédé et dispositif de surveillance des réactions d'oxydation en cours d'affinage d'un bain métallique |
| US3377158A (en) * | 1965-04-28 | 1968-04-09 | Jones & Laughlin Steel Corp | Converter control systems and methods |
| US3619174A (en) * | 1965-11-27 | 1971-11-09 | Sumitomo Metal Ind | Method for controlling the carbon content in and/or the temperature of the steel |
| US3528800A (en) * | 1966-02-14 | 1970-09-15 | Leeds & Northrup Co | Optimized blowing control for basic oxygen furnaces |
| US3565606A (en) * | 1967-06-27 | 1971-02-23 | Westinghouse Electric Corp | Method for controlling carbon removal in a basic oxygen furnace |
| US3561743A (en) * | 1967-10-17 | 1971-02-09 | Gen Electric | Use of stack gas as oxygen potential measurements to control the bof process |
| US3594155A (en) * | 1968-10-30 | 1971-07-20 | Allegheny Ludlum Steel | Method for dynamically controlling decarburization of steel |
| US3621217A (en) * | 1969-09-09 | 1971-11-16 | Gulf Research Development Co | Special-purpose process control computer |
| US3614682A (en) * | 1970-06-22 | 1971-10-19 | Firestone Tire & Rubber Co | Digital computer control of polymerization process |
| US3754895A (en) * | 1971-01-27 | 1973-08-28 | Allegheny Ludlum Ind Inc | Process for decarburization of steels |
-
1971
- 1971-11-01 US US00194454A patent/US3816720A/en not_active Expired - Lifetime
-
1972
- 1972-10-25 CA CA154,770A patent/CA975565A/en not_active Expired
- 1972-10-31 JP JP47108572A patent/JPS5226212B2/ja not_active Expired
- 1972-10-31 BR BR007623/72A patent/BR7207623D0/pt unknown
- 1972-10-31 AT AT927772A patent/AT339938B/de not_active IP Right Cessation
- 1972-10-31 ES ES408142A patent/ES408142A1/es not_active Expired
- 1972-10-31 FR FR7238636A patent/FR2161942B1/fr not_active Expired
- 1972-10-31 IT IT53748/72A patent/IT966875B/it active
- 1972-10-31 DE DE2253480A patent/DE2253480C3/de not_active Expired
- 1972-10-31 SE SE7214068A patent/SE413780B/sv unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT966875B (it) | 1974-02-20 |
| DE2253480A1 (de) | 1973-05-03 |
| FR2161942A1 (enrdf_load_stackoverflow) | 1973-07-13 |
| AT339938B (de) | 1977-11-10 |
| DE2253480B2 (de) | 1977-07-28 |
| JPS5226212B2 (enrdf_load_stackoverflow) | 1977-07-13 |
| FR2161942B1 (enrdf_load_stackoverflow) | 1977-04-01 |
| CA975565A (en) | 1975-10-07 |
| JPS4852603A (enrdf_load_stackoverflow) | 1973-07-24 |
| ATA927772A (de) | 1977-03-15 |
| ES408142A1 (es) | 1976-02-01 |
| US3816720A (en) | 1974-06-11 |
| DE2253480C3 (de) | 1978-03-16 |
| BR7207623D0 (pt) | 1973-08-21 |
| AU4833272A (en) | 1974-05-02 |
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