JPH0437136B2 - - Google Patents
Info
- Publication number
- JPH0437136B2 JPH0437136B2 JP14481588A JP14481588A JPH0437136B2 JP H0437136 B2 JPH0437136 B2 JP H0437136B2 JP 14481588 A JP14481588 A JP 14481588A JP 14481588 A JP14481588 A JP 14481588A JP H0437136 B2 JPH0437136 B2 JP H0437136B2
- Authority
- JP
- Japan
- Prior art keywords
- hot metal
- scrap
- blowing
- dephosphorization
- added
- 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 77
- 239000002184 metal Substances 0.000 claims description 77
- 238000007664 blowing Methods 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 33
- 239000003795 chemical substances by application Substances 0.000 claims description 27
- 229910052760 oxygen Inorganic materials 0.000 claims description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 21
- 239000001301 oxygen Substances 0.000 claims description 21
- 239000003575 carbonaceous material Substances 0.000 claims description 18
- 238000002844 melting Methods 0.000 claims description 17
- 230000008018 melting Effects 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 9
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 8
- 229910001882 dioxygen Inorganic materials 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- 239000002893 slag Substances 0.000 description 25
- 239000000571 coke Substances 0.000 description 21
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 10
- 238000004090 dissolution Methods 0.000 description 10
- 239000000292 calcium oxide Substances 0.000 description 8
- 235000012255 calcium oxide Nutrition 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 8
- 239000010436 fluorite Substances 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 238000005262 decarbonization Methods 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000011572 manganese Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 238000009628 steelmaking Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- 229910004298 SiO 2 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
- 230000000052 comparative effect Effects 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000011822 basic refractory Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 238000012733 comparative method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- -1 scrap Substances 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (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 |
|---|---|---|---|
| JP63144815A JPH01316409A (ja) | 1988-06-14 | 1988-06-14 | スクラップ溶解を伴う溶銑脱燐方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63144815A JPH01316409A (ja) | 1988-06-14 | 1988-06-14 | スクラップ溶解を伴う溶銑脱燐方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01316409A JPH01316409A (ja) | 1989-12-21 |
| JPH0437136B2 true JPH0437136B2 (ro) | 1992-06-18 |
Family
ID=15371106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63144815A Granted JPH01316409A (ja) | 1988-06-14 | 1988-06-14 | スクラップ溶解を伴う溶銑脱燐方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01316409A (ro) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5230062B2 (ja) * | 2005-08-04 | 2013-07-10 | 株式会社神戸製鋼所 | 転炉設備の操業方法 |
| JP2010084154A (ja) * | 2008-09-29 | 2010-04-15 | Sumitomo Metal Ind Ltd | 溶銑の脱燐処理方法 |
| JP2013209738A (ja) * | 2011-04-27 | 2013-10-10 | Jfe Steel Corp | 溶鋼の製造方法 |
| CN103320565B (zh) * | 2013-06-19 | 2014-09-17 | 武汉钢铁(集团)公司 | 一种控制冶炼h08焊丝中p的方法 |
| CN103882178A (zh) * | 2014-04-01 | 2014-06-25 | 首钢总公司 | 一种回收利用转炉终渣的转炉炼钢工艺 |
| CN105112598B (zh) * | 2015-09-29 | 2017-06-23 | 山东钢铁股份有限公司 | 一种将转炉产炉底渣直接用于转炉炼钢的方法 |
| CN112111622A (zh) * | 2019-06-21 | 2020-12-22 | 上海梅山钢铁股份有限公司 | 一种转炉低铁水消耗的吹炼方法 |
-
1988
- 1988-06-14 JP JP63144815A patent/JPH01316409A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01316409A (ja) | 1989-12-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |