JPH01142009A - 製鋼方法 - Google Patents
製鋼方法Info
- Publication number
- JPH01142009A JPH01142009A JP30126287A JP30126287A JPH01142009A JP H01142009 A JPH01142009 A JP H01142009A JP 30126287 A JP30126287 A JP 30126287A JP 30126287 A JP30126287 A JP 30126287A JP H01142009 A JPH01142009 A JP H01142009A
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- dephosphorization
- hot metal
- slag
- refining
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000009628 steelmaking Methods 0.000 title claims abstract description 15
- 239000011572 manganese Substances 0.000 claims abstract description 97
- 239000002893 slag Substances 0.000 claims abstract description 71
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 52
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 46
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000007670 refining Methods 0.000 claims abstract description 36
- 229910052742 iron Inorganic materials 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims description 61
- 239000002184 metal Substances 0.000 claims description 61
- 238000005261 decarburization Methods 0.000 claims description 45
- 238000007664 blowing Methods 0.000 claims description 32
- 230000008569 process Effects 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 10
- 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
- 238000003723 Smelting Methods 0.000 claims description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 42
- 239000000292 calcium oxide Substances 0.000 abstract description 21
- 235000012255 calcium oxide Nutrition 0.000 abstract description 21
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 238000013019 agitation Methods 0.000 abstract description 2
- 229910000617 Mangalloy Inorganic materials 0.000 abstract 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 40
- 229910000831 Steel Inorganic materials 0.000 description 33
- 239000010959 steel Substances 0.000 description 33
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 13
- 239000010436 fluorite Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 11
- 230000004907 flux Effects 0.000 description 10
- 229910052698 phosphorus Inorganic materials 0.000 description 9
- 239000011574 phosphorus Substances 0.000 description 9
- 239000000571 coke Substances 0.000 description 8
- 229910000805 Pig iron Inorganic materials 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 238000006477 desulfuration reaction Methods 0.000 description 7
- 230000023556 desulfurization Effects 0.000 description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 239000010459 dolomite Substances 0.000 description 4
- 229910000514 dolomite Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 229910000616 Ferromanganese Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001341 Crude steel Inorganic materials 0.000 description 1
- 101100348017 Drosophila melanogaster Nazo gene Proteins 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 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
- 238000007667 floating Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 150000002696 manganese Chemical class 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000004044 response 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
- 239000010802 sludge Substances 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012749 thinning agent 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 |
|---|---|---|---|
| JP30126287A JPH01142009A (ja) | 1987-11-28 | 1987-11-28 | 製鋼方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30126287A JPH01142009A (ja) | 1987-11-28 | 1987-11-28 | 製鋼方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01142009A true JPH01142009A (ja) | 1989-06-02 |
| JPH0437134B2 JPH0437134B2 (US07534539-20090519-C00280.png) | 1992-06-18 |
Family
ID=17894699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30126287A Granted JPH01142009A (ja) | 1987-11-28 | 1987-11-28 | 製鋼方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01142009A (US07534539-20090519-C00280.png) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03153811A (ja) * | 1989-11-08 | 1991-07-01 | Sumitomo Metal Ind Ltd | マンガン鉱石の溶融還元を伴う製鋼方法 |
| JPH05140627A (ja) * | 1991-11-16 | 1993-06-08 | Nippon Steel Corp | 転炉製鋼法 |
-
1987
- 1987-11-28 JP JP30126287A patent/JPH01142009A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03153811A (ja) * | 1989-11-08 | 1991-07-01 | Sumitomo Metal Ind Ltd | マンガン鉱石の溶融還元を伴う製鋼方法 |
| JPH05140627A (ja) * | 1991-11-16 | 1993-06-08 | Nippon Steel Corp | 転炉製鋼法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0437134B2 (US07534539-20090519-C00280.png) | 1992-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3557910B2 (ja) | 溶銑脱燐方法と低硫・低燐鋼の溶製方法 | |
| JPH0437132B2 (US07534539-20090519-C00280.png) | ||
| JP3288208B2 (ja) | 溶銑の脱りん方法 | |
| JPH01142009A (ja) | 製鋼方法 | |
| JPH01147011A (ja) | 製鋼法 | |
| JPS6393813A (ja) | 製鋼方法 | |
| JPH0557327B2 (US07534539-20090519-C00280.png) | ||
| JPH11323420A (ja) | 溶銑予備処理方法 | |
| JPS62290815A (ja) | 製鋼方法 | |
| JPH0471965B2 (US07534539-20090519-C00280.png) | ||
| JPS6247417A (ja) | スクラツプの溶解精錬方法 | |
| JP2587286B2 (ja) | 製鋼方法 | |
| JPH032312A (ja) | 低燐銑の製造方法 | |
| JPH01147012A (ja) | 製鋼方法 | |
| JPH03122210A (ja) | 複合転炉を用いた２段向流精錬製鋼法 | |
| JP2755027B2 (ja) | 製鋼方法 | |
| JP2004010935A (ja) | 溶鋼の製造方法 | |
| JPH0841519A (ja) | 製鋼方法 | |
| JP2842231B2 (ja) | 底吹きガス撹拌による溶銑の予備処理方法 | |
| JPH01252715A (ja) | 鉄浴式溶融還元炉の操業方法 | |
| JPS59159963A (ja) | 高クロム溶湯の溶製方法 | |
| JPH01312020A (ja) | 溶銑の昇温脱燐法 | |
| JPH0437133B2 (US07534539-20090519-C00280.png) | ||
| JPS61104014A (ja) | 酸化精錬炉におけるＭｎ鉱石高効率還元法 | |
| JPS6126752A (ja) | 溶融還元による低りん高マンガン鉄合金の製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080618 Year of fee payment: 16 |