JPH0555564B2 - - Google Patents
Info
- Publication number
- JPH0555564B2 JPH0555564B2 JP59035410A JP3541084A JPH0555564B2 JP H0555564 B2 JPH0555564 B2 JP H0555564B2 JP 59035410 A JP59035410 A JP 59035410A JP 3541084 A JP3541084 A JP 3541084A JP H0555564 B2 JPH0555564 B2 JP H0555564B2
- Authority
- JP
- Japan
- Prior art keywords
- oxygen
- cao
- powder
- ratio
- hot metal
- 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 - Lifetime
Links
- 229910052760 oxygen Inorganic materials 0.000 claims description 76
- 239000001301 oxygen Substances 0.000 claims description 59
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 57
- 229910052751 metal Inorganic materials 0.000 claims description 41
- 239000002184 metal Substances 0.000 claims description 41
- 239000000843 powder Substances 0.000 claims description 41
- 239000007789 gas Substances 0.000 claims description 35
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 28
- 239000012159 carrier gas Substances 0.000 claims description 27
- 229910052710 silicon Inorganic materials 0.000 claims description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 47
- 239000002893 slag Substances 0.000 description 40
- 238000007664 blowing Methods 0.000 description 17
- 239000003795 chemical substances by application Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- 229910052748 manganese Inorganic materials 0.000 description 5
- 239000011572 manganese Substances 0.000 description 5
- 238000005261 decarburization Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000011819 refractory material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 230000008685 targeting Effects 0.000 description 3
- 229910004261 CaF 2 Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 150000002926 oxygen Chemical class 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012360 testing method 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
- C21C1/04—Removing impurities other than carbon, phosphorus or sulfur
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3541084A JPS60181212A (ja) | 1984-02-28 | 1984-02-28 | 溶銑の脱珪法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3541084A JPS60181212A (ja) | 1984-02-28 | 1984-02-28 | 溶銑の脱珪法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60181212A JPS60181212A (ja) | 1985-09-14 |
| JPH0555564B2 true JPH0555564B2 (ro) | 1993-08-17 |
Family
ID=12441109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3541084A Granted JPS60181212A (ja) | 1984-02-28 | 1984-02-28 | 溶銑の脱珪法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60181212A (ro) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6897274B2 (ja) * | 2017-04-21 | 2021-06-30 | 日本製鉄株式会社 | 溶銑の予備処理方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842714A (ja) * | 1981-09-05 | 1983-03-12 | Kobe Steel Ltd | 溶銑の予備脱珪方法 |
| JPS5864307A (ja) * | 1981-10-09 | 1983-04-16 | Nippon Steel Corp | 溶銑の脱Ｓｉ方法 |
-
1984
- 1984-02-28 JP JP3541084A patent/JPS60181212A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842714A (ja) * | 1981-09-05 | 1983-03-12 | Kobe Steel Ltd | 溶銑の予備脱珪方法 |
| JPS5864307A (ja) * | 1981-10-09 | 1983-04-16 | Nippon Steel Corp | 溶銑の脱Ｓｉ方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60181212A (ja) | 1985-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2013108810A1 (ja) | 溶銑の予備処理方法 | |
| JPH05507764A (ja) | トリベスラグ合成用の組成物と方法、トリベスラグ処理用の組成物と方法、及び耐火物ライニング被覆用の組成物と方法 | |
| JP6481774B2 (ja) | 溶鉄の脱りん剤、精錬剤および脱りん方法 | |
| US4695318A (en) | Method of making steel | |
| JP4977870B2 (ja) | 製鋼方法 | |
| JP5983492B2 (ja) | 溶銑の予備処理方法 | |
| US3897244A (en) | Method for refining iron-base metal | |
| JP5272378B2 (ja) | 溶銑の脱燐処理方法 | |
| JP3440630B2 (ja) | 溶銑脱燐方法 | |
| JPH0555564B2 (ro) | ||
| US4394165A (en) | Method of preliminary desiliconization of molten iron by injecting gaseous oxygen | |
| JPH0437136B2 (ro) | ||
| US4891064A (en) | Method of melting cold material including iron | |
| WO2003029498A1 (fr) | Procede de pretraitement de fer fondu et procede de raffinage | |
| JPS6123243B2 (ro) | ||
| JP4981248B2 (ja) | 溶銑の処理方法 | |
| JP4305127B2 (ja) | 溶銑の脱燐処理方法 | |
| JP7095668B2 (ja) | 溶銑の予備処理方法 | |
| JP5333423B2 (ja) | 溶銑の脱燐処理方法 | |
| JP2002146422A (ja) | 耐火物溶損の少ない溶銑脱燐方法 | |
| JPS59566B2 (ja) | 溶銑の連続脱硫・脱燐方法 | |
| JP4025713B2 (ja) | 溶銑の脱燐精錬方法 | |
| JP2009052070A (ja) | 溶銑脱りん処理方法 | |
| JP2684113B2 (ja) | 含クロム溶銑の脱りん法 | |
| JPS6360089B2 (ro) |