JPH0255485B2 - - Google Patents
Info
- Publication number
- JPH0255485B2 JPH0255485B2 JP57007840A JP784082A JPH0255485B2 JP H0255485 B2 JPH0255485 B2 JP H0255485B2 JP 57007840 A JP57007840 A JP 57007840A JP 784082 A JP784082 A JP 784082A JP H0255485 B2 JPH0255485 B2 JP H0255485B2
- Authority
- JP
- Japan
- Prior art keywords
- oxygen
- dephosphorization
- hot metal
- decarburization
- solid
- 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 34
- 229910052751 metal Inorganic materials 0.000 claims description 34
- 239000001301 oxygen Substances 0.000 claims description 34
- 229910052760 oxygen Inorganic materials 0.000 claims description 34
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 20
- 239000007787 solid Substances 0.000 claims description 17
- 238000007664 blowing Methods 0.000 claims description 10
- 239000000292 calcium oxide Substances 0.000 claims description 10
- 235000012255 calcium oxide Nutrition 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims 2
- 238000005261 decarburization Methods 0.000 description 19
- 239000011973 solid acid Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000007670 refining Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000052 comparative effect Effects 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
- 238000011161 development Methods 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 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
- C21C1/02—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 |
|---|---|---|---|
| JP784082A JPS58126910A (ja) | 1982-01-21 | 1982-01-21 | 溶湯の脱燐方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP784082A JPS58126910A (ja) | 1982-01-21 | 1982-01-21 | 溶湯の脱燐方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58126910A JPS58126910A (ja) | 1983-07-28 |
| JPH0255485B2 true JPH0255485B2 (zh) | 1990-11-27 |
Family
ID=11676800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP784082A Granted JPS58126910A (ja) | 1982-01-21 | 1982-01-21 | 溶湯の脱燐方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58126910A (zh) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60177114A (ja) * | 1984-02-22 | 1985-09-11 | Nisshin Steel Co Ltd | 溶銑の脱燐法 |
| JP4080679B2 (ja) * | 2000-08-21 | 2008-04-23 | Ｊｆｅスチール株式会社 | 溶銑の脱燐方法 |
| EP1390013A4 (en) | 2001-04-23 | 2005-01-12 | Nucryst Pharm Corp | THERAPEUTIC TREATMENTS FOR THE DIRECT APPLICATION OF ANTIMICROBIAL METAL COMPOSITIONS |
| JP4977874B2 (ja) * | 2006-11-09 | 2012-07-18 | Ｊｆｅスチール株式会社 | 溶銑の脱燐処理方法 |
| JP5602047B2 (ja) * | 2010-02-22 | 2014-10-08 | 株式会社神戸製鋼所 | 混銑車における溶銑の脱りん処理方法 |
| JP5689024B2 (ja) * | 2010-06-07 | 2015-03-25 | 株式会社神戸製鋼所 | ダストを使用した溶銑の脱りん方法 |
| JP7410393B2 (ja) * | 2020-03-24 | 2024-01-10 | 日本製鉄株式会社 | 溶銑予備処理方法及び溶銑予備処理ランス |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS563610A (en) * | 1979-06-20 | 1981-01-14 | Nippon Kokan Kk <Nkk> | Molten iron pretreating method |
-
1982
- 1982-01-21 JP JP784082A patent/JPS58126910A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS563610A (en) * | 1979-06-20 | 1981-01-14 | Nippon Kokan Kk <Nkk> | Molten iron pretreating method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58126910A (ja) | 1983-07-28 |
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