DE2221696C3 - Verfahren zur Herstellung eines Entschwefelungsmittels für geschmolzenes Roheisen - Google Patents
Verfahren zur Herstellung eines Entschwefelungsmittels für geschmolzenes RoheisenInfo
- Publication number
- DE2221696C3 DE2221696C3 DE2221696A DE2221696A DE2221696C3 DE 2221696 C3 DE2221696 C3 DE 2221696C3 DE 2221696 A DE2221696 A DE 2221696A DE 2221696 A DE2221696 A DE 2221696A DE 2221696 C3 DE2221696 C3 DE 2221696C3
- Authority
- DE
- Germany
- Prior art keywords
- sodium
- pig iron
- desulfurizing agent
- weight
- mixing
- 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
- 239000003795 chemical substances by application Substances 0.000 title claims description 20
- 230000003009 desulfurizing effect Effects 0.000 title claims description 18
- 229910000805 Pig iron Inorganic materials 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 39
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 38
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 8
- 239000007858 starting material Substances 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 4
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 4
- 229910021538 borax Inorganic materials 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 3
- VLCLHFYFMCKBRP-UHFFFAOYSA-N tricalcium;diborate Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]B([O-])[O-].[O-]B([O-])[O-] VLCLHFYFMCKBRP-UHFFFAOYSA-N 0.000 claims description 3
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 16
- 239000011734 sodium Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 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 3
- 239000011398 Portland cement Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011400 blast furnace cement Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006557 surface reaction 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
- C21C1/025—Agents used for dephosphorising or desulfurising
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46030171A JPS52887B1 (enExample) | 1971-05-08 | 1971-05-08 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2221696A1 DE2221696A1 (de) | 1973-01-25 |
| DE2221696B2 DE2221696B2 (de) | 1978-03-30 |
| DE2221696C3 true DE2221696C3 (de) | 1978-11-16 |
Family
ID=12296291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2221696A Expired DE2221696C3 (de) | 1971-05-08 | 1972-05-03 | Verfahren zur Herstellung eines Entschwefelungsmittels für geschmolzenes Roheisen |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS52887B1 (enExample) |
| BR (1) | BR7202825D0 (enExample) |
| DE (1) | DE2221696C3 (enExample) |
| ES (1) | ES402492A1 (enExample) |
| FR (1) | FR2137562B1 (enExample) |
| GB (1) | GB1390814A (enExample) |
| SE (1) | SE399910B (enExample) |
| ZA (1) | ZA722844B (enExample) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR572995A (fr) * | 1922-07-29 | 1924-06-16 | Chemical Treat Company | Procédé de désulfuration du fer, de l'acier et des alliages ferreux, et composé pour faciliter l'exécution du procédé |
-
1971
- 1971-05-08 JP JP46030171A patent/JPS52887B1/ja active Pending
-
1972
- 1972-04-27 ZA ZA722844A patent/ZA722844B/xx unknown
- 1972-05-03 DE DE2221696A patent/DE2221696C3/de not_active Expired
- 1972-05-05 FR FR7216149A patent/FR2137562B1/fr not_active Expired
- 1972-05-05 GB GB2110272A patent/GB1390814A/en not_active Expired
- 1972-05-05 BR BR2825/72A patent/BR7202825D0/pt unknown
- 1972-05-06 ES ES402492A patent/ES402492A1/es not_active Expired
- 1972-05-08 SE SE7206065A patent/SE399910B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2221696A1 (de) | 1973-01-25 |
| FR2137562B1 (enExample) | 1977-04-01 |
| JPS52887B1 (enExample) | 1977-01-11 |
| DE2221696B2 (de) | 1978-03-30 |
| AU4174672A (en) | 1973-11-08 |
| ZA722844B (en) | 1973-02-28 |
| BR7202825D0 (pt) | 1973-05-15 |
| ES402492A1 (es) | 1975-03-16 |
| SE399910B (sv) | 1978-03-06 |
| FR2137562A1 (enExample) | 1972-12-29 |
| GB1390814A (en) | 1975-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2252795C3 (de) | Entschwefelungsmittel für Roheisen- und Ferrolegierungsschmelzen | |
| EP0120237B1 (de) | Flüssiger Erstarrungsbeschleuniger für Betonabmischungen | |
| DE2815094C2 (enExample) | ||
| EP0602540B1 (de) | Mittel zur Entschwefelung, Entphosphorung, Entsilicierung und Entstickung von Roheisen-, Gusseisen-, Ferrochrom- und Ferromanganschmelzen sowie Verfahren | |
| DE3224720A1 (de) | Zementpraeparat mit calciumaluminosilicatglas, schienungsmaterial aus diesem zementpraeparat und verfahren zur herstellung des schienungsmaterials | |
| DE2308851A1 (de) | Verfahren zur herstellung von hydratationshaertendem material aus stahlerzeugungshochofenschlacke | |
| EP0061012B1 (de) | Verfahren zur Herstellung eines Entschwefelungsmittels für Roheisen- und Stahlschmelzen | |
| DE1301873B (de) | Verfahren zum Herstellen von Giessformen fuer den Metallguss und Formstoffmasse zur Durchfuehrung dieses Verfahrens | |
| DE3118288A1 (de) | Pulverfoermige entschwefelungsmasse | |
| DE3445503A1 (de) | Verfahren zur herstellung von briketts | |
| DE2221696C3 (de) | Verfahren zur Herstellung eines Entschwefelungsmittels für geschmolzenes Roheisen | |
| DE10083662B4 (de) | Verfahren zum Mischen von Kohlenasche und Verfahren zur Entschwefelung | |
| DE2521202A1 (de) | Verfahren zum herstellen von phosphorarmem stahl durch sauerstoff-frischen | |
| DE3120138C2 (enExample) | ||
| EP0031552B1 (de) | Entschwefelungsmittel und Verfahren zu seiner Herstellung | |
| EP0582970B1 (de) | Entschwefelungsmittel für Roheisen- und Gusseisenschmelzen sowie Verfahren zur Entschwefelung | |
| EP0019086A2 (de) | Verfahren zur Herstellung von Entschweflungsmitteln für Roheisen- oder Stahlschmelzen | |
| DE3643950C2 (enExample) | ||
| DE3908019C1 (enExample) | ||
| DE2545244B2 (de) | Schnell zu hitzebestandigem Material härtendes Gemisch | |
| DE2545614A1 (de) | Formstueck zur behandlung von geschmolzenem eisen | |
| DE2236160C3 (de) | Mittel zur Entschwefelung von flüssigem Roheisen und Verfahren zu seiner Herstellung | |
| DE2507379A1 (de) | Verfahren zur entschwefelung von geschmolzenem eisen | |
| AT412477B (de) | Mittel zur entschwefelung von metallschmelzen | |
| AT350088B (de) | Verfahren zum entschwefeln von geschmolzenem eisen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |