CA1079072A - Arc steelmaking - Google Patents
Arc steelmakingInfo
- Publication number
- CA1079072A CA1079072A CA257,038A CA257038A CA1079072A CA 1079072 A CA1079072 A CA 1079072A CA 257038 A CA257038 A CA 257038A CA 1079072 A CA1079072 A CA 1079072A
- Authority
- CA
- Canada
- Prior art keywords
- slag
- conditioner
- weight
- aluminium
- steel
- 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
Links
- 238000009628 steelmaking Methods 0.000 title claims abstract description 8
- 239000002893 slag Substances 0.000 claims abstract description 68
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 19
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 19
- 239000004571 lime Substances 0.000 claims abstract description 19
- 239000004411 aluminium Substances 0.000 claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000010436 fluorite Substances 0.000 claims abstract description 12
- 238000010891 electric arc Methods 0.000 claims abstract description 7
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims abstract description 4
- 150000008041 alkali metal carbonates Chemical class 0.000 claims abstract description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 14
- 239000000292 calcium oxide Substances 0.000 claims description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000000395 magnesium oxide Substances 0.000 claims description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical group [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910000616 Ferromanganese Inorganic materials 0.000 claims description 2
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims description 2
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract description 20
- 238000007670 refining Methods 0.000 abstract description 10
- 238000004090 dissolution Methods 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 22
- 239000005864 Sulphur Substances 0.000 description 18
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 16
- 239000000377 silicon dioxide Substances 0.000 description 11
- 229910052681 coesite Inorganic materials 0.000 description 5
- 229910052906 cristobalite Inorganic materials 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 229910052682 stishovite Inorganic materials 0.000 description 5
- 229910052905 tridymite Inorganic materials 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
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- SQMPQUHTTGSLSQ-UHFFFAOYSA-N [S].[S].[S] Chemical compound [S].[S].[S] SQMPQUHTTGSLSQ-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 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
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910001392 phosphorus oxide 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/54—Processes yielding slags of special composition
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
-
- 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
-
- 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)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB29920/75A GB1503176A (en) | 1975-07-16 | 1975-07-16 | Arc steelmaking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1079072A true CA1079072A (en) | 1980-06-10 |
Family
ID=10299350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA257,038A Expired CA1079072A (en) | 1975-07-16 | 1976-07-15 | Arc steelmaking |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4060406A (enExample) |
| JP (1) | JPS5211114A (enExample) |
| AT (1) | AT357186B (enExample) |
| CA (1) | CA1079072A (enExample) |
| FR (1) | FR2318227A1 (enExample) |
| GB (1) | GB1503176A (enExample) |
| SE (1) | SE431885B (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4202692A (en) * | 1978-02-01 | 1980-05-13 | The Clay Harden Company | Tundish flux powder |
| US4444590A (en) * | 1983-03-28 | 1984-04-24 | Esm Incorporated | Calcium-slag additive for steel desulfurization and method for making same |
| US5397379A (en) * | 1993-09-22 | 1995-03-14 | Oglebay Norton Company | Process and additive for the ladle refining of steel |
| US6179895B1 (en) * | 1996-12-11 | 2001-01-30 | Performix Technologies, Ltd. | Basic tundish flux composition for steelmaking processes |
| US6582491B2 (en) * | 1998-10-30 | 2003-06-24 | Midrex International, B.V. Rotterdam, Zurich Branch | Method for producing molten iron in duplex furnaces |
| IT1308183B1 (it) * | 1999-02-12 | 2001-12-07 | Minerals & Metals Italia S P A | Composizione capace di ostacolare la formazione di ossidi di ferro inscorie di fusione dell'acciaio e procedimento per ottenere scorie a |
| PT1281776E (pt) * | 2001-08-03 | 2004-11-30 | Minerals & Metals Italia S P A | Composicao para retardar a formacao de oxidos de ferro na escoria de aco em fusao e processo para obter uma escoria com um baixo nivel de oxidos de ferro |
| JP4184884B2 (ja) * | 2003-07-24 | 2008-11-19 | 大同エコメット株式会社 | 鋼の脱硫精錬用造滓材 |
| CN114959176B (zh) * | 2022-04-29 | 2023-01-31 | 宁波日月精华精密制造有限公司 | 一种用于净化钢水的复合球团及净化钢水的方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2416179A (en) * | 1944-12-16 | 1947-02-18 | Reynolds Metals Co | Method of fluidizing slag |
| US2848321A (en) * | 1956-01-02 | 1958-08-19 | Foundry Services Ltd | Drossing fluxes |
| US3723094A (en) * | 1971-09-01 | 1973-03-27 | Latrobe Steel Co | Electroflux slags and methods of electroflux remelting |
| JPS5245371B2 (enExample) * | 1972-06-03 | 1977-11-15 |
-
1975
- 1975-07-16 GB GB29920/75A patent/GB1503176A/en not_active Expired
-
1976
- 1976-07-08 US US05/703,674 patent/US4060406A/en not_active Expired - Lifetime
- 1976-07-14 SE SE7608026A patent/SE431885B/xx not_active IP Right Cessation
- 1976-07-15 JP JP51084889A patent/JPS5211114A/ja active Granted
- 1976-07-15 CA CA257,038A patent/CA1079072A/en not_active Expired
- 1976-07-16 AT AT526776A patent/AT357186B/de not_active IP Right Cessation
- 1976-07-16 FR FR7621812A patent/FR2318227A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2318227B1 (enExample) | 1979-02-02 |
| GB1503176A (en) | 1978-03-08 |
| AT357186B (de) | 1980-06-25 |
| JPS5652962B2 (enExample) | 1981-12-16 |
| ATA526776A (de) | 1979-11-15 |
| SE7608026L (sv) | 1977-01-17 |
| US4060406A (en) | 1977-11-29 |
| JPS5211114A (en) | 1977-01-27 |
| FR2318227A1 (fr) | 1977-02-11 |
| SE431885B (sv) | 1984-03-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |