DE1433649A1 - Verfahren zum Entphosphoren von Roheisen,insbesondere Thomasroheisen - Google Patents
Verfahren zum Entphosphoren von Roheisen,insbesondere ThomasroheisenInfo
- Publication number
- DE1433649A1 DE1433649A1 DE1964T0025740 DET0025740A DE1433649A1 DE 1433649 A1 DE1433649 A1 DE 1433649A1 DE 1964T0025740 DE1964T0025740 DE 1964T0025740 DE T0025740 A DET0025740 A DE T0025740A DE 1433649 A1 DE1433649 A1 DE 1433649A1
- Authority
- DE
- Germany
- Prior art keywords
- pig iron
- slag
- lime
- acids
- added
- 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.)
- Pending
Links
- 229910000805 Pig iron Inorganic materials 0.000 title claims description 20
- 238000000034 method Methods 0.000 title claims description 19
- 239000002893 slag Substances 0.000 claims description 34
- 229910052799 carbon Inorganic materials 0.000 claims description 17
- 229910052698 phosphorus Inorganic materials 0.000 claims description 17
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 14
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 14
- 239000004571 lime Substances 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 13
- 239000011574 phosphorus Substances 0.000 claims description 13
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 10
- 238000007792 addition Methods 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 150000007513 acids Chemical class 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims 2
- 239000000292 calcium oxide Substances 0.000 claims 1
- 235000012255 calcium oxide Nutrition 0.000 claims 1
- 239000000969 carrier Substances 0.000 claims 1
- 235000010755 mineral Nutrition 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 239000002585 base Substances 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000005261 decarburization Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 238000005187 foaming Methods 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 239000008187 granular material Substances 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- -1 SiO 2 or TiO 2 Chemical class 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001020 rhythmical effect Effects 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000002123 temporal effect Effects 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
-
- 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
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/32—Blowing from above
-
- 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)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1964T0025740 DE1433649A1 (de) | 1964-03-03 | 1964-03-03 | Verfahren zum Entphosphoren von Roheisen,insbesondere Thomasroheisen |
| GB582465A GB1097512A (en) | 1964-03-03 | 1965-02-10 | Process for dephosphorizing molten pig iron |
| LU48051A LU48051A1 (en)) | 1964-03-03 | 1965-02-23 | |
| FR6870A FR1425195A (fr) | 1964-03-03 | 1965-02-24 | Procédé de déphosphoration de la fonte |
| BE660381D BE660381A (en)) | 1964-03-03 | 1965-02-26 | |
| US43666165 US3376130A (en) | 1964-03-03 | 1965-03-02 | Process for dephosphorization of pig iron particularly pig iron rich in phosphorus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1964T0025740 DE1433649A1 (de) | 1964-03-03 | 1964-03-03 | Verfahren zum Entphosphoren von Roheisen,insbesondere Thomasroheisen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1433649A1 true DE1433649A1 (de) | 1969-05-14 |
Family
ID=7552277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1964T0025740 Pending DE1433649A1 (de) | 1964-03-03 | 1964-03-03 | Verfahren zum Entphosphoren von Roheisen,insbesondere Thomasroheisen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3376130A (en)) |
| BE (1) | BE660381A (en)) |
| DE (1) | DE1433649A1 (en)) |
| FR (1) | FR1425195A (en)) |
| GB (1) | GB1097512A (en)) |
| LU (1) | LU48051A1 (en)) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT264560B (de) * | 1966-08-25 | 1968-09-10 | Gustav Dipl Ing Wolfram | Basisches Stahlherstellungsverfahren |
| FR2391280A2 (fr) * | 1977-05-17 | 1978-12-15 | Sumitomo Metal Ind | Procede de dephosphoration de la fonte liquide |
| EP0043238B1 (en) * | 1980-06-28 | 1984-10-10 | Kawasaki Steel Corporation | Method of dephosphorizing molten pig iron |
| US4572737A (en) * | 1984-06-27 | 1986-02-25 | The Boc Group, Inc. | Agents for the removal of impurities from a molten metal and a process for producing same |
| JP5962070B2 (ja) * | 2012-03-01 | 2016-08-03 | Ｊｆｅスチール株式会社 | 溶銑吹錬処理の制御方法および制御装置 |
| JP5962071B2 (ja) * | 2012-03-01 | 2016-08-03 | Ｊｆｅスチール株式会社 | 溶銑吹錬処理の制御方法および制御装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3172756A (en) * | 1965-03-09 | Process of dephosphorizing pig iron | ||
| US2693411A (en) * | 1951-12-26 | 1954-11-02 | Cremer Frederick | Method of purifying molten pig iron |
| US2671018A (en) * | 1952-03-31 | 1954-03-02 | Huettenwerk Oberhausen Ag | Process for the production of basic bessemer steel low in nitrogen |
| US2668759A (en) * | 1952-05-22 | 1954-02-09 | Inland Steel Co | Steelmaking process |
| US2781256A (en) * | 1953-11-23 | 1957-02-12 | United States Steel Corp | Process for the rapid removal of sulphur and silicon from pig iron |
| US2789046A (en) * | 1955-02-01 | 1957-04-16 | Mannesmann Ag | Process of making steel from pig iron |
| GB817786A (en) * | 1956-08-16 | 1959-08-06 | Stora Kopparbergs Bergslags Ab | Method of refining phosphorus-containing pig iron |
| US3136626A (en) * | 1960-08-19 | 1964-06-09 | Lorraine Laminage | Method of refining cast-iron |
| DE1408849A1 (de) * | 1960-12-22 | 1970-07-30 | Orths Dr Ing Kurt | Verfahren zur Entphosphorung von Eisenschmelzen und Vorrichtung zum Durchfuehren des Verfahrens |
-
1964
- 1964-03-03 DE DE1964T0025740 patent/DE1433649A1/de active Pending
-
1965
- 1965-02-10 GB GB582465A patent/GB1097512A/en not_active Expired
- 1965-02-23 LU LU48051A patent/LU48051A1/xx unknown
- 1965-02-24 FR FR6870A patent/FR1425195A/fr not_active Expired
- 1965-02-26 BE BE660381D patent/BE660381A/xx unknown
- 1965-03-02 US US43666165 patent/US3376130A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1097512A (en) | 1968-01-03 |
| BE660381A (en)) | 1965-08-26 |
| LU48051A1 (en)) | 1965-04-23 |
| FR1425195A (fr) | 1966-01-14 |
| US3376130A (en) | 1968-04-02 |
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