DE3788067T2 - Giesspulver bei der blockstahlerzeugung im unterguss und verfahren zu seiner verwendung. - Google Patents
Giesspulver bei der blockstahlerzeugung im unterguss und verfahren zu seiner verwendung.Info
- Publication number
- DE3788067T2 DE3788067T2 DE3788067T DE3788067T DE3788067T2 DE 3788067 T2 DE3788067 T2 DE 3788067T2 DE 3788067 T DE3788067 T DE 3788067T DE 3788067 T DE3788067 T DE 3788067T DE 3788067 T2 DE3788067 T2 DE 3788067T2
- Authority
- DE
- Germany
- Prior art keywords
- mold
- powder
- steel
- casting
- compound
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims description 61
- 239000010959 steel Substances 0.000 title claims description 61
- 239000000843 powder Substances 0.000 title claims description 35
- 238000000034 method Methods 0.000 title claims description 22
- 238000004519 manufacturing process Methods 0.000 title description 6
- 150000001875 compounds Chemical class 0.000 claims description 42
- 238000005266 casting Methods 0.000 claims description 40
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 37
- 230000004907 flux Effects 0.000 claims description 32
- 229910002804 graphite Inorganic materials 0.000 claims description 31
- 239000010439 graphite Substances 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 4
- 239000011800 void material Substances 0.000 claims description 4
- 238000009628 steelmaking Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 238000007711 solidification Methods 0.000 description 8
- 230000008023 solidification Effects 0.000 description 8
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010405 reoxidation reaction Methods 0.000 description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 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
- 239000002585 base Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- FZFYOUJTOSBFPQ-UHFFFAOYSA-M dipotassium;hydroxide Chemical compound [OH-].[K+].[K+] FZFYOUJTOSBFPQ-UHFFFAOYSA-M 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
- B22D27/06—Heating the top discard of ingots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/12—Appurtenances, e.g. for sintering, for preventing splashing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Mold Materials And Core Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US89606786A | 1986-08-13 | 1986-08-13 | |
| PCT/US1987/001958 WO1988001210A1 (en) | 1986-08-13 | 1987-08-10 | Casting powder for use in bottom pour ingot steel production and method for employing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3788067D1 DE3788067D1 (de) | 1993-12-09 |
| DE3788067T2 true DE3788067T2 (de) | 1994-05-19 |
Family
ID=25405572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3788067T Expired - Fee Related DE3788067T2 (de) | 1986-08-13 | 1987-08-10 | Giesspulver bei der blockstahlerzeugung im unterguss und verfahren zu seiner verwendung. |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0321478B1 (ko) |
| JP (1) | JPH01501536A (ko) |
| KR (1) | KR880701599A (ko) |
| AU (1) | AU604503B2 (ko) |
| BR (1) | BR8707766A (ko) |
| CA (1) | CA1285461C (ko) |
| DE (1) | DE3788067T2 (ko) |
| MX (1) | MX169019B (ko) |
| WO (1) | WO1988001210A1 (ko) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE258090T1 (de) * | 1997-04-30 | 2004-02-15 | Stopinc Ag | Schiebeverschluss für ein metallschmelze enthaltendes gefäss |
| JP5366896B2 (ja) * | 2010-07-07 | 2013-12-11 | 株式会社神戸製鋼所 | 下注ぎ造塊方法 |
| JP5807910B2 (ja) * | 2011-11-15 | 2015-11-10 | 山陽特殊製鋼株式会社 | 下注ぎ造塊用の被覆剤 |
| JP6609139B2 (ja) * | 2015-08-24 | 2019-11-20 | 山陽特殊製鋼株式会社 | 下注ぎ造塊法のための被覆剤 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3308514A (en) * | 1965-01-07 | 1967-03-14 | Dow Chemical Co | Method of hot topping using vermicular graphite |
| GB1298701A (en) * | 1969-11-12 | 1972-12-06 | Foseco Int | Heat-insulating antipiping compounds |
| GB1431787A (en) * | 1973-03-28 | 1976-04-14 | Foseco Int | Casting of molten metals |
| JPS5253727A (en) * | 1975-10-28 | 1977-04-30 | Fuoseko Japan Rimitetsudo Yuug | Formed additive for mold |
| JPS6038201B2 (ja) * | 1978-09-04 | 1985-08-30 | 石川島播磨重工業株式会社 | 圧延材端部形状制御装置 |
-
1987
- 1987-08-10 AU AU78567/87A patent/AU604503B2/en not_active Ceased
- 1987-08-10 DE DE3788067T patent/DE3788067T2/de not_active Expired - Fee Related
- 1987-08-10 BR BR8707766A patent/BR8707766A/pt not_active Application Discontinuation
- 1987-08-10 JP JP62505033A patent/JPH01501536A/ja active Pending
- 1987-08-10 EP EP87905525A patent/EP0321478B1/en not_active Expired - Lifetime
- 1987-08-10 WO PCT/US1987/001958 patent/WO1988001210A1/en active IP Right Grant
- 1987-08-12 CA CA000544344A patent/CA1285461C/en not_active Expired - Fee Related
- 1987-08-18 MX MX007790A patent/MX169019B/es unknown
-
1988
- 1988-04-13 KR KR1019880700405A patent/KR880701599A/ko not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| AU7856787A (en) | 1988-03-08 |
| EP0321478B1 (en) | 1993-11-03 |
| BR8707766A (pt) | 1989-08-15 |
| EP0321478A1 (en) | 1989-06-28 |
| DE3788067D1 (de) | 1993-12-09 |
| EP0321478A4 (en) | 1990-04-10 |
| JPH01501536A (ja) | 1989-06-01 |
| CA1285461C (en) | 1991-07-02 |
| MX169019B (es) | 1993-06-17 |
| KR880701599A (ko) | 1988-11-04 |
| AU604503B2 (en) | 1990-12-20 |
| WO1988001210A1 (en) | 1988-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |