JPS62109908A - 溶銑の脱珪脱燐脱硫方法 - Google Patents
溶銑の脱珪脱燐脱硫方法Info
- Publication number
- JPS62109908A JPS62109908A JP24966685A JP24966685A JPS62109908A JP S62109908 A JPS62109908 A JP S62109908A JP 24966685 A JP24966685 A JP 24966685A JP 24966685 A JP24966685 A JP 24966685A JP S62109908 A JPS62109908 A JP S62109908A
- Authority
- JP
- Japan
- Prior art keywords
- flux
- desiliconization
- desulfurization
- dephosphorization
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract description 18
- 229910052742 iron Inorganic materials 0.000 title abstract description 9
- 230000003009 desulfurizing effect Effects 0.000 title 1
- 230000004907 flux Effects 0.000 claims abstract description 75
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 46
- 230000023556 desulfurization Effects 0.000 claims abstract description 46
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 41
- 239000001301 oxygen Substances 0.000 claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 239000002893 slag Substances 0.000 claims abstract description 28
- 238000007664 blowing Methods 0.000 claims abstract description 24
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 12
- 239000012159 carrier gas Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims description 52
- 239000002184 metal Substances 0.000 claims description 52
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- 235000017550 sodium carbonate Nutrition 0.000 abstract 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 40
- 238000002347 injection Methods 0.000 description 26
- 239000007924 injection Substances 0.000 description 26
- 239000000292 calcium oxide Substances 0.000 description 20
- 235000012255 calcium oxide Nutrition 0.000 description 20
- 230000000694 effects Effects 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000005261 decarburization Methods 0.000 description 5
- 239000011572 manganese Substances 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000007667 floating Methods 0.000 description 4
- 238000002203 pretreatment Methods 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005587 bubbling Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- 229910001634 calcium fluoride Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 150000003568 thioethers Chemical class 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
-
- 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
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 |
|---|---|---|---|
| JP24966685A JPS62109908A (ja) | 1985-11-06 | 1985-11-06 | 溶銑の脱珪脱燐脱硫方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24966685A JPS62109908A (ja) | 1985-11-06 | 1985-11-06 | 溶銑の脱珪脱燐脱硫方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62109908A true JPS62109908A (ja) | 1987-05-21 |
| JPH0453923B2 JPH0453923B2 (enrdf_load_stackoverflow) | 1992-08-28 |
Family
ID=17196406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24966685A Granted JPS62109908A (ja) | 1985-11-06 | 1985-11-06 | 溶銑の脱珪脱燐脱硫方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62109908A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5868817A (en) * | 1994-06-30 | 1999-02-09 | Nippon Steel Corporation | Process for producing steel by converter |
| JP2011038176A (ja) * | 2009-08-18 | 2011-02-24 | Jfe Steel Corp | 転炉製鋼方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57210909A (en) * | 1981-06-18 | 1982-12-24 | Kobe Steel Ltd | Pretreatment for molten iron |
| JPS5816006A (ja) * | 1981-06-17 | 1983-01-29 | Kobe Steel Ltd | 溶銑脱燐方法 |
| JPS5950105A (ja) * | 1982-09-13 | 1984-03-23 | Nisshin Steel Co Ltd | 溶銑の脱燐脱硫処理法 |
| JPS60249665A (ja) * | 1984-05-25 | 1985-12-10 | Mitsubishi Motors Corp | 燃料噴射装置 |
-
1985
- 1985-11-06 JP JP24966685A patent/JPS62109908A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816006A (ja) * | 1981-06-17 | 1983-01-29 | Kobe Steel Ltd | 溶銑脱燐方法 |
| JPS57210909A (en) * | 1981-06-18 | 1982-12-24 | Kobe Steel Ltd | Pretreatment for molten iron |
| JPS5950105A (ja) * | 1982-09-13 | 1984-03-23 | Nisshin Steel Co Ltd | 溶銑の脱燐脱硫処理法 |
| JPS60249665A (ja) * | 1984-05-25 | 1985-12-10 | Mitsubishi Motors Corp | 燃料噴射装置 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5868817A (en) * | 1994-06-30 | 1999-02-09 | Nippon Steel Corporation | Process for producing steel by converter |
| JP2011038176A (ja) * | 2009-08-18 | 2011-02-24 | Jfe Steel Corp | 転炉製鋼方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0453923B2 (enrdf_load_stackoverflow) | 1992-08-28 |
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