JPH0433844B2 - - Google Patents
Info
- Publication number
- JPH0433844B2 JPH0433844B2 JP62303665A JP30366587A JPH0433844B2 JP H0433844 B2 JPH0433844 B2 JP H0433844B2 JP 62303665 A JP62303665 A JP 62303665A JP 30366587 A JP30366587 A JP 30366587A JP H0433844 B2 JPH0433844 B2 JP H0433844B2
- Authority
- JP
- Japan
- Prior art keywords
- dephosphorization
- furnace
- hot metal
- slag
- blowing
- 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
- 229910052751 metal Inorganic materials 0.000 claims description 61
- 239000002184 metal Substances 0.000 claims description 61
- 239000002893 slag Substances 0.000 claims description 46
- 238000007664 blowing Methods 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 40
- 238000007670 refining Methods 0.000 claims description 26
- 239000003575 carbonaceous material Substances 0.000 claims description 23
- 238000005261 decarburization Methods 0.000 claims description 23
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 238000006477 desulfuration reaction Methods 0.000 claims description 20
- 230000023556 desulfurization Effects 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 12
- 238000009628 steelmaking Methods 0.000 claims description 9
- 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
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 description 23
- 239000010959 steel Substances 0.000 description 23
- 230000008569 process Effects 0.000 description 17
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 16
- 230000000694 effects Effects 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 235000012255 calcium oxide Nutrition 0.000 description 8
- 239000000292 calcium oxide Substances 0.000 description 8
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 230000004907 flux Effects 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 239000002131 composite material Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000012733 comparative method Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000010436 fluorite Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30366587A JPH01147012A (ja) | 1987-12-01 | 1987-12-01 | 製鋼方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30366587A JPH01147012A (ja) | 1987-12-01 | 1987-12-01 | 製鋼方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01147012A JPH01147012A (ja) | 1989-06-08 |
| JPH0433844B2 true JPH0433844B2 (zh) | 1992-06-04 |
Family
ID=17923749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30366587A Granted JPH01147012A (ja) | 1987-12-01 | 1987-12-01 | 製鋼方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01147012A (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2315031A1 (en) | 1997-12-26 | 1999-07-08 | Nkk Corporation | Refining method of molten iron and smelting reduction method for producing molten iron |
| JP4743072B2 (ja) * | 2006-10-11 | 2011-08-10 | 住友金属工業株式会社 | 脱燐処理後のスラグの排滓性向上方法およびそれを用いた溶銑の脱燐処理方法 |
| JP4743078B2 (ja) * | 2006-10-24 | 2011-08-10 | 住友金属工業株式会社 | 脱燐処理後のスラグの排滓性向上方法およびそれを用いた溶銑の脱燐処理方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60215706A (ja) * | 1984-04-11 | 1985-10-29 | Kobe Steel Ltd | 溶銑の予備処理方法 |
-
1987
- 1987-12-01 JP JP30366587A patent/JPH01147012A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60215706A (ja) * | 1984-04-11 | 1985-10-29 | Kobe Steel Ltd | 溶銑の予備処理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01147012A (ja) | 1989-06-08 |
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