JPH0437132B2 - - Google Patents
Info
- Publication number
- JPH0437132B2 JPH0437132B2 JP2682487A JP2682487A JPH0437132B2 JP H0437132 B2 JPH0437132 B2 JP H0437132B2 JP 2682487 A JP2682487 A JP 2682487A JP 2682487 A JP2682487 A JP 2682487A JP H0437132 B2 JPH0437132 B2 JP H0437132B2
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- dephosphorization
- hot metal
- amount
- slag
- 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
Links
- 229910052751 metal Inorganic materials 0.000 claims description 73
- 239000002184 metal Substances 0.000 claims description 73
- 239000002893 slag Substances 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 39
- 238000007670 refining Methods 0.000 claims description 32
- 238000005261 decarburization Methods 0.000 claims description 30
- 238000007664 blowing Methods 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 239000003795 chemical substances by application Substances 0.000 claims description 22
- 239000007789 gas Substances 0.000 claims description 17
- 239000011973 solid acid Substances 0.000 claims description 9
- 238000009628 steelmaking Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910001882 dioxygen Inorganic materials 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 229910000805 Pig iron Inorganic materials 0.000 claims description 5
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 33
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 32
- 239000011572 manganese Substances 0.000 description 18
- 239000000292 calcium oxide Substances 0.000 description 16
- 235000012255 calcium oxide Nutrition 0.000 description 16
- 229910052742 iron Inorganic materials 0.000 description 15
- 230000004907 flux Effects 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 12
- 239000002253 acid Substances 0.000 description 11
- 229910052698 phosphorus Inorganic materials 0.000 description 8
- 239000011574 phosphorus Substances 0.000 description 8
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 6
- 239000010436 fluorite Substances 0.000 description 6
- 229910052748 manganese Inorganic materials 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 239000010459 dolomite Substances 0.000 description 4
- 229910000514 dolomite Inorganic materials 0.000 description 4
- 229910000616 Ferromanganese Inorganic materials 0.000 description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910000617 Mangalloy Inorganic materials 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 101000993059 Homo sapiens Hereditary hemochromatosis protein Proteins 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2682487A JPS63195209A (ja) | 1987-02-07 | 1987-02-07 | 製鋼方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2682487A JPS63195209A (ja) | 1987-02-07 | 1987-02-07 | 製鋼方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63195209A JPS63195209A (ja) | 1988-08-12 |
| JPH0437132B2 true JPH0437132B2 (US07534539-20090519-C00280.png) | 1992-06-18 |
Family
ID=12204022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2682487A Granted JPS63195209A (ja) | 1987-02-07 | 1987-02-07 | 製鋼方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63195209A (US07534539-20090519-C00280.png) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0660339B2 (ja) * | 1989-01-30 | 1994-08-10 | 新日本製鐵株式会社 | 溶銑の脱珪，脱りん方法 |
| JPH0660340B2 (ja) * | 1989-01-30 | 1994-08-10 | 新日本製鐵株式会社 | 溶銑の脱珪，脱りん処理方法 |
| US5868817A (en) * | 1994-06-30 | 1999-02-09 | Nippon Steel Corporation | Process for producing steel by converter |
| DE102006056671A1 (de) * | 2006-11-30 | 2008-06-05 | Sms Demag Ag | Verfahren und Vorrichtung zur Rostfreistahlerzeugung ohne elektrische Energiezufuhr auf der Basis von in einer DDD-Anlage vorbehandeltem Roheisen |
| CN102505062B (zh) * | 2011-12-31 | 2013-04-24 | 钢铁研究总院 | 转炉快速脱硅、脱磷预处理方法 |
| CN104694701B (zh) * | 2015-03-16 | 2016-08-03 | 攀钢集团研究院有限公司 | 含钒铬铁水搅拌提取钒铬的方法 |
| CN104673956B (zh) * | 2015-03-16 | 2017-01-18 | 攀钢集团研究院有限公司 | 转炉提取钒铬的方法 |
| CN104789729B (zh) * | 2015-03-16 | 2016-11-30 | 攀钢集团研究院有限公司 | 含钒铬铁水的处理方法 |
| CN104673959B (zh) * | 2015-03-16 | 2017-01-18 | 攀钢集团研究院有限公司 | 顶底复吹转炉提取钒铬的方法 |
| CN104673958B (zh) * | 2015-03-16 | 2017-01-18 | 攀钢集团研究院有限公司 | 顶底复吹转炉提取钒、铬的方法 |
| CN104862442B (zh) * | 2015-04-28 | 2016-10-19 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种复吹转炉提钒的方法 |
-
1987
- 1987-02-07 JP JP2682487A patent/JPS63195209A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63195209A (ja) | 1988-08-12 |
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