CA1285393C - Method for adding bismuth to steel in a ladle - Google Patents
Method for adding bismuth to steel in a ladleInfo
- Publication number
- CA1285393C CA1285393C CA000524110A CA524110A CA1285393C CA 1285393 C CA1285393 C CA 1285393C CA 000524110 A CA000524110 A CA 000524110A CA 524110 A CA524110 A CA 524110A CA 1285393 C CA1285393 C CA 1285393C
- Authority
- CA
- Canada
- Prior art keywords
- bismuth
- molten steel
- slag layer
- reducing
- temperature
- 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 - Fee Related
Links
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 229910052797 bismuth Inorganic materials 0.000 title claims abstract description 123
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 121
- 239000010959 steel Substances 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000002893 slag Substances 0.000 claims abstract description 66
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000005275 alloying Methods 0.000 description 9
- 239000004615 ingredient Substances 0.000 description 9
- 238000003756 stirring Methods 0.000 description 8
- 238000005266 casting Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000655 Killed steel Inorganic materials 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 101100352919 Caenorhabditis elegans ppm-2 gene Proteins 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000532 Deoxidized steel Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 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
- C21C7/0006—Adding metallic additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- 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
- C21C7/076—Use of slags or fluxes as treating agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US863,324 | 1986-05-15 | ||
| US06/863,324 US4666515A (en) | 1986-05-15 | 1986-05-15 | Method for adding bismuth to steel in a ladle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1285393C true CA1285393C (en) | 1991-07-02 |
Family
ID=25340875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000524110A Expired - Fee Related CA1285393C (en) | 1986-05-15 | 1986-11-28 | Method for adding bismuth to steel in a ladle |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4666515A (en]) |
| EP (1) | EP0246356B1 (en]) |
| AU (1) | AU582720B2 (en]) |
| BR (1) | BR8606030A (en]) |
| CA (1) | CA1285393C (en]) |
| DE (1) | DE3680529D1 (en]) |
| ES (1) | ES2023803B3 (en]) |
| IN (1) | IN168777B (en]) |
| MX (1) | MX163958B (en]) |
| ZA (1) | ZA869039B (en]) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7310573B2 (en) * | 2004-04-13 | 2007-12-18 | Pratt & Whitney Canada Corp. | Method and apparatus for isolating aircraft equipment |
| CN104368778A (zh) * | 2014-11-13 | 2015-02-25 | 武汉钢铁(集团)公司 | 含多种金属氧化物的包晶钢保护渣 |
| CN115466826B (zh) * | 2022-08-26 | 2023-09-01 | 北京首钢股份有限公司 | 一种在钢水中添加铋粉的方法及钢坯 |
| CN116875871B (zh) * | 2023-06-27 | 2025-06-24 | 鞍钢股份有限公司 | 一种真空感应炉熔炼钢水中金属铋的合金化方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1483573A1 (de) * | 1965-09-14 | 1970-01-08 | Foseco Trading Ag | Verfahren zur Behandlung von ungeschmolzenem Metall und Mittel zur Abdeckung der Oberflaeche von geschmolzenem Metall mit teilchenfoermigem Material |
| US3630267A (en) * | 1970-05-18 | 1971-12-28 | Bethlehem Steel Corp | Method of controlling the temperature of molten ferrous metal |
| US3673004A (en) * | 1970-07-23 | 1972-06-27 | Inst Ceretari Tehnologice Pent | Method of making piston rings |
| US3762915A (en) * | 1970-07-27 | 1973-10-02 | Wisconsin Alumni Res Found | Method for casting gray cast iron composition |
| SU386568A1 (ru) * | 1971-12-13 | 1977-11-05 | Макеевский Металлургический Завод Имени С.М.Кирова | Способ пассивации магни |
| DE2345921A1 (de) * | 1973-09-12 | 1975-03-20 | Solint Consulting Establishmen | Abdeckmasse fuer metallurgische schmelzen |
| US4247326A (en) * | 1979-08-29 | 1981-01-27 | Inland Steel Company | Free machining steel with bismuth |
| US4244737A (en) * | 1979-08-29 | 1981-01-13 | Inland Steel Company | Method and alloy for introducing machinability increasing ingredients to steel |
| US4255188A (en) * | 1979-08-29 | 1981-03-10 | Inland Steel Company | Free machining steel with bismuth and manganese sulfide |
| US4255187A (en) * | 1979-08-29 | 1981-03-10 | Inland Steel Company | Bismuth-containing steel |
| CA1281551C (en) * | 1985-02-18 | 1991-03-19 | Kazuhiro Kinoshita | Method for addition of low-melting point metal |
| US4664703A (en) * | 1986-06-09 | 1987-05-12 | Inland Steel Company | Method for suppressing fuming in molten steel |
-
1986
- 1986-05-15 US US06/863,324 patent/US4666515A/en not_active Expired - Lifetime
- 1986-11-28 CA CA000524110A patent/CA1285393C/en not_active Expired - Fee Related
- 1986-12-01 IN IN927/MAS/86A patent/IN168777B/en unknown
- 1986-12-01 ZA ZA869039A patent/ZA869039B/xx unknown
- 1986-12-02 ES ES86116700T patent/ES2023803B3/es not_active Expired - Lifetime
- 1986-12-02 AU AU65880/86A patent/AU582720B2/en not_active Ceased
- 1986-12-02 DE DE8686116700T patent/DE3680529D1/de not_active Expired - Lifetime
- 1986-12-02 EP EP86116700A patent/EP0246356B1/en not_active Expired - Lifetime
- 1986-12-05 MX MX4554A patent/MX163958B/es unknown
- 1986-12-08 BR BR8606030A patent/BR8606030A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU582720B2 (en) | 1989-04-06 |
| AU6588086A (en) | 1987-11-19 |
| BR8606030A (pt) | 1988-01-12 |
| EP0246356B1 (en) | 1991-07-24 |
| ES2023803B3 (es) | 1992-02-16 |
| IN168777B (en]) | 1991-06-01 |
| US4666515A (en) | 1987-05-19 |
| EP0246356A1 (en) | 1987-11-25 |
| MX163958B (es) | 1992-07-06 |
| DE3680529D1 (de) | 1991-08-29 |
| ZA869039B (en) | 1987-08-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |