JPS57137408A - Dephosphorization treatment of molten iron - Google Patents
Dephosphorization treatment of molten ironInfo
- Publication number
- JPS57137408A JPS57137408A JP2083081A JP2083081A JPS57137408A JP S57137408 A JPS57137408 A JP S57137408A JP 2083081 A JP2083081 A JP 2083081A JP 2083081 A JP2083081 A JP 2083081A JP S57137408 A JPS57137408 A JP S57137408A
- Authority
- JP
- Japan
- Prior art keywords
- molten iron
- blowing
- treatment
- amt
- charging
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 18
- 229910052742 iron Inorganic materials 0.000 title abstract 9
- 238000007664 blowing Methods 0.000 abstract 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 3
- 239000001301 oxygen Substances 0.000 abstract 3
- 229910052760 oxygen Inorganic materials 0.000 abstract 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 239000002826 coolant Substances 0.000 abstract 2
- 230000004907 flux Effects 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 238000007670 refining Methods 0.000 abstract 2
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910021540 colemanite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 229910001610 cryolite Inorganic materials 0.000 abstract 1
- 239000010436 fluorite Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 239000002893 slag Substances 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 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
-
- 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)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2083081A JPS57137408A (en) | 1981-02-17 | 1981-02-17 | Dephosphorization treatment of molten iron |
DE8181302859T DE3166581D1 (en) | 1980-06-28 | 1981-06-25 | Method of dephosphorizing molten pig iron |
EP19810302859 EP0043238B1 (en) | 1980-06-28 | 1981-06-25 | Method of dephosphorizing molten pig iron |
AU72345/81A AU529793B2 (en) | 1980-06-28 | 1981-06-29 | Method of dephosphorizing molten pig iron |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2083081A JPS57137408A (en) | 1981-02-17 | 1981-02-17 | Dephosphorization treatment of molten iron |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57137408A true JPS57137408A (en) | 1982-08-25 |
JPS6356286B2 JPS6356286B2 (enrdf_load_stackoverflow) | 1988-11-08 |
Family
ID=12037958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2083081A Granted JPS57137408A (en) | 1980-06-28 | 1981-02-17 | Dephosphorization treatment of molten iron |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57137408A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63169318A (ja) * | 1986-12-29 | 1988-07-13 | Kawasaki Steel Corp | 溶銑脱りん法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0374693U (enrdf_load_stackoverflow) * | 1989-11-21 | 1991-07-26 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51115219A (en) * | 1975-04-02 | 1976-10-09 | Nippon Steel Corp | Process of preparing low-phosphor molten iron |
JPS541221A (en) * | 1977-06-06 | 1979-01-08 | Sumitomo Metal Ind Ltd | Method of dephosphorizing molten iron |
JPS5475418A (en) * | 1977-11-29 | 1979-06-16 | Sumitomo Metal Ind Ltd | Hot iron dephosphorization method |
-
1981
- 1981-02-17 JP JP2083081A patent/JPS57137408A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51115219A (en) * | 1975-04-02 | 1976-10-09 | Nippon Steel Corp | Process of preparing low-phosphor molten iron |
JPS541221A (en) * | 1977-06-06 | 1979-01-08 | Sumitomo Metal Ind Ltd | Method of dephosphorizing molten iron |
JPS5475418A (en) * | 1977-11-29 | 1979-06-16 | Sumitomo Metal Ind Ltd | Hot iron dephosphorization method |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63169318A (ja) * | 1986-12-29 | 1988-07-13 | Kawasaki Steel Corp | 溶銑脱りん法 |
Also Published As
Publication number | Publication date |
---|---|
JPS6356286B2 (enrdf_load_stackoverflow) | 1988-11-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4586956A (en) | Method and agents for producing clean steel | |
US3701519A (en) | Apparatus for the continuous refining of metals | |
US2471562A (en) | Method of utilizing metallurgical slags | |
US4726839A (en) | Process and an arrangement for the production of steel from sponge iron | |
US4009024A (en) | Process for regeneration and reuse of steelmaking slag | |
GB1097811A (en) | Refining pig iron | |
US4105439A (en) | Method for production of refined steel | |
JP4894325B2 (ja) | 溶銑の脱燐処理方法 | |
US4373949A (en) | Method for increasing vessel lining life for basic oxygen furnaces | |
JPS57137408A (en) | Dephosphorization treatment of molten iron | |
US3022157A (en) | Method for continuous hearth refining of steel and beneficiation of ores of ferro alloys | |
JPS5713110A (en) | Dephosphorization treatment of molten iron | |
JPS6286108A (ja) | 脱硫混合物の製造方法 | |
EP0043238B1 (en) | Method of dephosphorizing molten pig iron | |
JPS5743919A (en) | Method for blow refining in top and/or bottom-blown converter | |
US4242126A (en) | Process for the treatment of iron melts and for increasing the scrap portion in the converter | |
US2079848A (en) | Making steel | |
US3986865A (en) | Process for producing steel | |
NO800301L (no) | Fremgangsmaate for oekning av levetiden for foringen i basiske oksygenovner | |
US3163522A (en) | Method for the production of steel | |
DE3364586D1 (en) | Process for increasing the batches of coolants during the refining of steel by the bof process | |
GB946964A (en) | Dephosphorization of melts of ferrous metals | |
JPS6225724B2 (enrdf_load_stackoverflow) | ||
JPS6154081B2 (enrdf_load_stackoverflow) | ||
Frese et al. | Experience With the LBE Process at Arbed-Saarstahl |