JPH0512405B2 - - Google Patents
Info
- Publication number
- JPH0512405B2 JPH0512405B2 JP1083186A JP1083186A JPH0512405B2 JP H0512405 B2 JPH0512405 B2 JP H0512405B2 JP 1083186 A JP1083186 A JP 1083186A JP 1083186 A JP1083186 A JP 1083186A JP H0512405 B2 JPH0512405 B2 JP H0512405B2
- Authority
- JP
- Japan
- Prior art keywords
- flux
- hot metal
- desiliconization
- slag
- 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.)
- Expired - Lifetime
Links
- 230000004907 flux Effects 0.000 claims description 63
- 239000002184 metal Substances 0.000 claims description 60
- 229910052751 metal Inorganic materials 0.000 claims description 60
- 238000006243 chemical reaction Methods 0.000 claims description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 229910052799 carbon Inorganic materials 0.000 claims description 25
- 239000002893 slag Substances 0.000 claims description 23
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- 239000012159 carrier gas Substances 0.000 claims description 7
- 238000002203 pretreatment Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 17
- 238000002347 injection Methods 0.000 description 16
- 239000007924 injection Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 13
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 10
- 238000005261 decarburization Methods 0.000 description 7
- 238000006477 desulfuration reaction Methods 0.000 description 6
- 230000023556 desulfurization Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000008018 melting Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 3
- 229910001634 calcium fluoride Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-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
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011973 solid acid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- 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 |
|---|---|---|---|
| JP1083186A JPS62170409A (ja) | 1986-01-21 | 1986-01-21 | 溶銑の予備処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1083186A JPS62170409A (ja) | 1986-01-21 | 1986-01-21 | 溶銑の予備処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62170409A JPS62170409A (ja) | 1987-07-27 |
| JPH0512405B2 true JPH0512405B2 (enrdf_load_stackoverflow) | 1993-02-18 |
Family
ID=11761300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1083186A Granted JPS62170409A (ja) | 1986-01-21 | 1986-01-21 | 溶銑の予備処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62170409A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103108852A (zh) * | 2010-09-07 | 2013-05-15 | 大金工业株式会社 | 从含氟化合物中的水分除去方法 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4863334B2 (ja) * | 1999-12-14 | 2012-01-25 | Ｊｆｅスチール株式会社 | 溶銑の予備処理方法 |
| JP3854482B2 (ja) * | 2001-09-27 | 2006-12-06 | 新日本製鐵株式会社 | 溶銑の予備処理方法及び精錬方法 |
| JP5005225B2 (ja) * | 2006-01-30 | 2012-08-22 | 新日鐵住金ステンレス株式会社 | 弗素含有廃液の処理方法 |
| JP5131872B2 (ja) * | 2010-05-24 | 2013-01-30 | 新日鐵住金株式会社 | 溶銑の脱燐処理方法 |
-
1986
- 1986-01-21 JP JP1083186A patent/JPS62170409A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103108852A (zh) * | 2010-09-07 | 2013-05-15 | 大金工业株式会社 | 从含氟化合物中的水分除去方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62170409A (ja) | 1987-07-27 |
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