JPH0369966B2 - - Google Patents
Info
- Publication number
- JPH0369966B2 JPH0369966B2 JP2029345A JP2934590A JPH0369966B2 JP H0369966 B2 JPH0369966 B2 JP H0369966B2 JP 2029345 A JP2029345 A JP 2029345A JP 2934590 A JP2934590 A JP 2934590A JP H0369966 B2 JPH0369966 B2 JP H0369966B2
- Authority
- JP
- Japan
- Prior art keywords
- wire
- nozzle
- inert gas
- calcium
- conduit
- 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 - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 claims description 79
- 239000002184 metal Substances 0.000 claims description 79
- 239000011261 inert gas Substances 0.000 claims description 45
- 230000007246 mechanism Effects 0.000 claims description 22
- 239000012768 molten material Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims 2
- 238000002513 implantation Methods 0.000 claims 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 64
- 229910052791 calcium Inorganic materials 0.000 description 62
- 239000011575 calcium Substances 0.000 description 62
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 60
- 239000000463 material Substances 0.000 description 31
- 229910052742 iron Inorganic materials 0.000 description 30
- 229910000831 Steel Inorganic materials 0.000 description 21
- 239000010959 steel Substances 0.000 description 21
- 239000000654 additive Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 13
- 230000003068 static effect Effects 0.000 description 13
- 239000002893 slag Substances 0.000 description 11
- 230000000996 additive effect Effects 0.000 description 9
- 239000000155 melt Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000882 Ca alloy Inorganic materials 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- CPGKMLVTFNUAHL-UHFFFAOYSA-N [Ca].[Ca] Chemical compound [Ca].[Ca] CPGKMLVTFNUAHL-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 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
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910021346 calcium silicide Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 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 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000029052 metamorphosis Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000011214 refractory ceramic Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
-
- 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/10—Making spheroidal graphite cast-iron
-
- 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
- C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
-
- 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
- C21C7/06—Deoxidising, e.g. killing
-
- 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
-
- 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)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US522754 | 1983-08-12 | ||
| US06/522,753 US4512800A (en) | 1983-08-12 | 1983-08-12 | Wire injection apparatus |
| US06/522,754 US4481032A (en) | 1983-08-12 | 1983-08-12 | Process for adding calcium to a bath of molten ferrous material |
| US522753 | 1995-09-01 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59169181A Division JPS60100613A (ja) | 1983-08-12 | 1984-08-13 | 融解した鉄材の浴にカルシウム金属を添加する方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0347909A JPH0347909A (ja) | 1991-02-28 |
| JPH0369966B2 true JPH0369966B2 (de) | 1991-11-06 |
Family
ID=27060927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2029345A Granted JPH0347909A (ja) | 1983-08-12 | 1990-02-08 | 融解金属材料表面下方に処理金属を注入する装置 |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0137618B1 (de) |
| JP (1) | JPH0347909A (de) |
| KR (1) | KR880000468B1 (de) |
| AU (1) | AU550957B2 (de) |
| BR (1) | BR8404033A (de) |
| DE (1) | DE3472274D1 (de) |
| DK (1) | DK386284A (de) |
| ES (3) | ES8700330A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE456001B (sv) * | 1983-11-08 | 1988-08-29 | Bind O Matic Ab | Block samt sett att framstella detsamma |
| DE3661841D1 (en) * | 1985-01-24 | 1989-02-23 | Vallourec | Process for treating liquid metals by a calcium-containing cored wire |
| US4705261A (en) * | 1986-11-28 | 1987-11-10 | Pfizer Inc. | Wire injection nozzle |
| FR2764905B1 (fr) * | 1997-06-23 | 1999-07-23 | Pechiney Electrometallurgie | Procede de traitement du plomb fondu par le calcium et fil a base de calcium pour ce traitement |
| RU2152834C1 (ru) * | 1999-12-06 | 2000-07-20 | Неретин Александр Алексеевич | Способ изготовления кальциевой проволоки |
| FR2871477B1 (fr) | 2004-06-10 | 2006-09-29 | Affival Sa Sa | Fil fourre |
| US8221677B2 (en) | 2007-04-02 | 2012-07-17 | Specialty Minerals (Michigan) Inc. | Wire injection lance nozzle insert |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2577837A (en) * | 1949-10-29 | 1951-12-11 | Lothar R Zifferer | Introduction of magnesium into molten iron |
| GB1219706A (en) * | 1968-05-13 | 1971-01-20 | Nippon Kokan Kk | A method for treating a molten metal |
| US3778250A (en) * | 1969-02-26 | 1973-12-11 | Jones & Laughlin Steel Corp | Method for treating metallic melts |
| JPS4936086B1 (de) * | 1969-03-07 | 1974-09-27 | ||
| BE795333A (fr) * | 1972-03-01 | 1973-05-29 | Thyssen Niederrhein Ag | Procede de desulfuration de l'acier en fusion et poche pour sa mise en oeuvre |
| DE2607947C2 (de) * | 1976-02-27 | 1985-03-14 | Fried. Krupp Gmbh, 4300 Essen | Beschickungseinrichtung |
| DE2634282C2 (de) * | 1976-07-28 | 1978-04-13 | Mannesmann Ag, 4000 Duesseldorf | Verfahren zum kontinuierlichen Einbringen von Zusatzmitteln in ein mit flüssigem Metall gefülltes Gefäß |
| US4094666A (en) * | 1977-05-24 | 1978-06-13 | Metal Research Corporation | Method for refining molten iron and steels |
| JPS5713115A (en) * | 1980-06-26 | 1982-01-23 | Komatsu Ltd | Production of tough and strong free-cutting ca cast steel |
-
1984
- 1984-08-06 EP EP84305326A patent/EP0137618B1/de not_active Expired
- 1984-08-06 DE DE8484305326T patent/DE3472274D1/de not_active Expired
- 1984-08-10 DK DK386284A patent/DK386284A/da not_active Application Discontinuation
- 1984-08-10 BR BR8404033A patent/BR8404033A/pt not_active IP Right Cessation
- 1984-08-10 ES ES535098A patent/ES8700330A1/es not_active Expired
- 1984-08-10 AU AU31783/84A patent/AU550957B2/en not_active Expired
- 1984-08-11 KR KR1019840004837A patent/KR880000468B1/ko not_active IP Right Cessation
-
1985
- 1985-08-01 ES ES545812A patent/ES8607407A1/es not_active Expired
- 1985-08-01 ES ES545813A patent/ES8607408A1/es not_active Expired
-
1990
- 1990-02-08 JP JP2029345A patent/JPH0347909A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| EP0137618A2 (de) | 1985-04-17 |
| AU3178384A (en) | 1985-02-14 |
| ES8700330A1 (es) | 1986-10-16 |
| KR880000468B1 (ko) | 1988-04-07 |
| ES545813A0 (es) | 1986-06-16 |
| DK386284D0 (da) | 1984-08-10 |
| ES8607408A1 (es) | 1986-06-16 |
| DK386284A (da) | 1985-02-13 |
| ES8607407A1 (es) | 1986-06-16 |
| EP0137618B1 (de) | 1988-06-22 |
| AU550957B2 (en) | 1986-04-10 |
| EP0137618A3 (en) | 1986-04-02 |
| JPH0347909A (ja) | 1991-02-28 |
| KR850001921A (ko) | 1985-04-10 |
| ES545812A0 (es) | 1986-06-16 |
| BR8404033A (pt) | 1985-07-16 |
| DE3472274D1 (en) | 1988-07-28 |
| ES535098A0 (es) | 1986-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |