PL93831B1 - - Google Patents
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- Publication number
- PL93831B1 PL93831B1 PL1975179755A PL17975575A PL93831B1 PL 93831 B1 PL93831 B1 PL 93831B1 PL 1975179755 A PL1975179755 A PL 1975179755A PL 17975575 A PL17975575 A PL 17975575A PL 93831 B1 PL93831 B1 PL 93831B1
- Authority
- PL
- Poland
- Prior art keywords
- steel
- alkaline earth
- agent
- earth metal
- deoxidized
- Prior art date
Links
- 239000003795 chemical substances by application Substances 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 21
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 21
- 239000000161 steel melt Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 7
- 229910000532 Deoxidized steel Inorganic materials 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 125000005624 silicic acid group Chemical class 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000006477 desulfuration reaction Methods 0.000 claims 1
- 230000023556 desulfurization Effects 0.000 claims 1
- 239000011261 inert gas Substances 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 229910052748 manganese Inorganic materials 0.000 description 5
- 239000011572 manganese Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- JETSKDPKURDVNI-UHFFFAOYSA-N [C].[Ca] Chemical compound [C].[Ca] JETSKDPKURDVNI-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 239000002699 waste material 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
- C21C7/064—Dephosphorising; Desulfurising
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742419176 DE2419176B2 (de) | 1974-04-20 | 1974-04-20 | Verfahren zum einbringen von erdalkali-behandlungsmitteln in stahlschmelzen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL93831B1 true PL93831B1 (en, 2012) | 1977-06-30 |
Family
ID=5913476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1975179755A PL93831B1 (en, 2012) | 1974-04-20 | 1975-04-18 |
Country Status (17)
| Country | Link |
|---|---|
| JP (1) | JPS50143716A (en, 2012) |
| AR (1) | AR204354A1 (en, 2012) |
| AU (1) | AU8007775A (en, 2012) |
| BE (1) | BE828016A (en, 2012) |
| BR (1) | BR7502384A (en, 2012) |
| CA (1) | CA1062916A (en, 2012) |
| DD (1) | DD117251A5 (en, 2012) |
| DE (1) | DE2419176B2 (en, 2012) |
| ES (1) | ES436756A1 (en, 2012) |
| FR (1) | FR2268079A1 (en, 2012) |
| GB (1) | GB1450013A (en, 2012) |
| IN (1) | IN143231B (en, 2012) |
| IT (1) | IT1037433B (en, 2012) |
| NL (1) | NL7504252A (en, 2012) |
| PL (1) | PL93831B1 (en, 2012) |
| SE (1) | SE7504366L (en, 2012) |
| ZA (1) | ZA752179B (en, 2012) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2839637A1 (de) * | 1977-09-15 | 1979-03-22 | British Steel Corp | Verfahren zur erzeugung aufgeschwefelten stahles |
| USRE31676E (en) | 1982-09-29 | 1984-09-18 | Thyssen Aktiengesellschaft vorm August Thyssen-Hutte AG | Method and apparatus for dispensing a fluidizable solid from a pressure vessel |
| RU2231560C1 (ru) * | 2003-04-22 | 2004-06-27 | ООО "Сорби стил" | Способ раскисления и модифицирования металла и устройство для его осуществления |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
1974
- 1974-04-20 DE DE19742419176 patent/DE2419176B2/de not_active Withdrawn
-
1975
- 1975-01-01 AR AR190D patent/AR204354A1/es active
- 1975-03-07 ZA ZA00752179A patent/ZA752179B/xx unknown
- 1975-04-09 GB GB1456775A patent/GB1450013A/en not_active Expired
- 1975-04-10 IN IN725/CAL/75A patent/IN143231B/en unknown
- 1975-04-10 NL NL7504252A patent/NL7504252A/xx unknown
- 1975-04-11 AU AU80077/75A patent/AU8007775A/en not_active Expired
- 1975-04-15 JP JP50044873A patent/JPS50143716A/ja active Pending
- 1975-04-16 SE SE7504366A patent/SE7504366L/xx unknown
- 1975-04-16 CA CA224,781A patent/CA1062916A/en not_active Expired
- 1975-04-17 BE BE2054275A patent/BE828016A/xx unknown
- 1975-04-18 IT IT22505/75A patent/IT1037433B/it active
- 1975-04-18 BR BR3035/75A patent/BR7502384A/pt unknown
- 1975-04-18 PL PL1975179755A patent/PL93831B1/pl unknown
- 1975-04-18 ES ES436756A patent/ES436756A1/es not_active Expired
- 1975-04-18 FR FR7512118A patent/FR2268079A1/fr not_active Withdrawn
- 1975-04-18 DD DD185544A patent/DD117251A5/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AR204354A1 (es) | 1975-12-22 |
| IT1037433B (it) | 1979-11-10 |
| FR2268079A1 (en, 2012) | 1975-11-14 |
| JPS50143716A (en, 2012) | 1975-11-19 |
| IN143231B (en, 2012) | 1977-10-22 |
| CA1062916A (en) | 1979-09-25 |
| AU8007775A (en) | 1976-10-14 |
| NL7504252A (nl) | 1975-10-22 |
| ES436756A1 (es) | 1977-01-01 |
| DD117251A5 (en, 2012) | 1976-01-05 |
| BR7502384A (pt) | 1976-03-09 |
| DE2419176B2 (de) | 1976-02-26 |
| ZA752179B (en) | 1976-03-31 |
| GB1450013A (en) | 1976-09-22 |
| SE7504366L (sv) | 1975-10-21 |
| DE2419176A1 (de) | 1975-10-30 |
| BE828016A (fr) | 1975-08-18 |
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