JPS60177113A - 溶銑の処理法 - Google Patents
溶銑の処理法Info
- Publication number
- JPS60177113A JPS60177113A JP3031884A JP3031884A JPS60177113A JP S60177113 A JPS60177113 A JP S60177113A JP 3031884 A JP3031884 A JP 3031884A JP 3031884 A JP3031884 A JP 3031884A JP S60177113 A JPS60177113 A JP S60177113A
- Authority
- JP
- Japan
- Prior art keywords
- hot metal
- refining
- oxygen
- zone
- dephosphorization
- 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
- 238000007670 refining Methods 0.000 claims abstract description 65
- 239000001301 oxygen Substances 0.000 claims abstract description 47
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 47
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000126 substance Substances 0.000 claims abstract description 46
- 239000007789 gas Substances 0.000 claims abstract description 40
- 239000007787 solid Substances 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 147
- 229910052751 metal Inorganic materials 0.000 claims description 147
- 238000006243 chemical reaction Methods 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 43
- 238000011282 treatment Methods 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 21
- 239000011261 inert gas Substances 0.000 claims description 10
- 239000011343 solid material Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052742 iron Inorganic materials 0.000 abstract description 7
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 32
- 238000006477 desulfuration reaction Methods 0.000 description 30
- 230000023556 desulfurization Effects 0.000 description 30
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 20
- 239000000292 calcium oxide Substances 0.000 description 18
- 235000012255 calcium oxide Nutrition 0.000 description 18
- 239000012159 carrier gas Substances 0.000 description 13
- 230000004907 flux Effects 0.000 description 12
- 239000002893 slag Substances 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 229910001873 dinitrogen Inorganic materials 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000011144 upstream manufacturing Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 6
- 229910001634 calcium fluoride Inorganic materials 0.000 description 6
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000012254 powdered material Substances 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 235000017550 sodium carbonate Nutrition 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002250 progressing effect Effects 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 mill scale Chemical compound 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910001392 phosphorus oxide Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- VSAISIQCTGDGPU-UHFFFAOYSA-N tetraphosphorus hexaoxide Chemical compound O1P(O2)OP3OP1OP2O3 VSAISIQCTGDGPU-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer 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
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 |
|---|---|---|---|
| JP3031884A JPS60177113A (ja) | 1984-02-22 | 1984-02-22 | 溶銑の処理法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3031884A JPS60177113A (ja) | 1984-02-22 | 1984-02-22 | 溶銑の処理法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60177113A true JPS60177113A (ja) | 1985-09-11 |
| JPH0437131B2 JPH0437131B2 (enrdf_load_stackoverflow) | 1992-06-18 |
Family
ID=12300443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3031884A Granted JPS60177113A (ja) | 1984-02-22 | 1984-02-22 | 溶銑の処理法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60177113A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989005360A1 (en) * | 1987-12-11 | 1989-06-15 | Nisshin Steel Co., Ltd. | Method and apparatus for preliminary treatment of hot metal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57143414A (en) * | 1981-03-03 | 1982-09-04 | Nippon Steel Corp | Method and device for addition of treating agent in molten iron spout |
-
1984
- 1984-02-22 JP JP3031884A patent/JPS60177113A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57143414A (en) * | 1981-03-03 | 1982-09-04 | Nippon Steel Corp | Method and device for addition of treating agent in molten iron spout |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989005360A1 (en) * | 1987-12-11 | 1989-06-15 | Nisshin Steel Co., Ltd. | Method and apparatus for preliminary treatment of hot metal |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0437131B2 (enrdf_load_stackoverflow) | 1992-06-18 |
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