BE883475A - Elaboration d'aciers au carbone et d'aciers faiblement allies par oxyderurgie avec soufflage inferieur - Google Patents
Elaboration d'aciers au carbone et d'aciers faiblement allies par oxyderurgie avec soufflage inferieur Download PDFInfo
- Publication number
- BE883475A BE883475A BE0/200762A BE200762A BE883475A BE 883475 A BE883475 A BE 883475A BE 0/200762 A BE0/200762 A BE 0/200762A BE 200762 A BE200762 A BE 200762A BE 883475 A BE883475 A BE 883475A
- Authority
- BE
- Belgium
- Prior art keywords
- gas
- oxygen
- blowing
- lower blowing
- carbon dioxide
- Prior art date
Links
- 238000007664 blowing Methods 0.000 title claims description 136
- 229910000975 Carbon steel Inorganic materials 0.000 title description 10
- 229910000851 Alloy steel Inorganic materials 0.000 title 1
- 239000010962 carbon steel Substances 0.000 title 1
- 239000007789 gas Substances 0.000 claims description 110
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 94
- 229910052760 oxygen Inorganic materials 0.000 claims description 94
- 239000001301 oxygen Substances 0.000 claims description 94
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 77
- 239000010959 steel Substances 0.000 claims description 68
- 229910000831 Steel Inorganic materials 0.000 claims description 67
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 48
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 40
- 230000008569 process Effects 0.000 claims description 40
- 239000001569 carbon dioxide Substances 0.000 claims description 38
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 36
- 229910052757 nitrogen Inorganic materials 0.000 claims description 29
- 238000004519 manufacturing process Methods 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 23
- 229910052742 iron Inorganic materials 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 9
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 8
- 239000000567 combustion gas Substances 0.000 claims description 8
- 239000000292 calcium oxide Substances 0.000 claims description 4
- 235000012255 calcium oxide Nutrition 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000010459 dolomite Substances 0.000 claims description 3
- 229910000514 dolomite Inorganic materials 0.000 claims description 3
- 235000019738 Limestone Nutrition 0.000 claims description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 2
- 239000010436 fluorite Substances 0.000 claims description 2
- 239000006028 limestone Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000005266 casting Methods 0.000 description 16
- 238000013019 agitation Methods 0.000 description 14
- 239000002893 slag Substances 0.000 description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 11
- 229910002091 carbon monoxide Inorganic materials 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000005261 decarburization Methods 0.000 description 9
- 230000004907 flux Effects 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- 230000007423 decrease Effects 0.000 description 8
- 238000007670 refining Methods 0.000 description 8
- 239000000843 powder Substances 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 239000012159 carrier gas Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000005070 ripening Effects 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 241000206607 Porphyra umbilicalis Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- -1 compressed air Chemical compound 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- CNKHSLKYRMDDNQ-UHFFFAOYSA-N halofenozide Chemical compound C=1C=CC=CC=1C(=O)N(C(C)(C)C)NC(=O)C1=CC=C(Cl)C=C1 CNKHSLKYRMDDNQ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000003923 scrap metal Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000003313 weakening effect 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/35—Blowing from above and through the bath
-
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/32—Blowing from above
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6422179A JPS55158208A (en) | 1979-05-24 | 1979-05-24 | Refining method of steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE883475A true BE883475A (fr) | 1980-09-15 |
Family
ID=13251822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/200762A BE883475A (fr) | 1979-05-24 | 1980-05-23 | Elaboration d'aciers au carbone et d'aciers faiblement allies par oxyderurgie avec soufflage inferieur |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS55158208A (enExample) |
| BE (1) | BE883475A (enExample) |
| IN (1) | IN152953B (enExample) |
| ZA (1) | ZA803028B (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0060305B1 (en) * | 1980-09-19 | 1985-01-09 | Kawasaki Steel Corporation | Method for smelting using top-and bottom-blown converter |
| CN119220761A (zh) * | 2024-09-27 | 2024-12-31 | 北京科技大学 | 一种转炉高温铁水条件下少渣冶炼造气的方法 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5989705A (ja) * | 1982-11-11 | 1984-05-24 | Nippon Steel Corp | 上底吹転炉精錬方法 |
| JPS6176608A (ja) * | 1984-09-21 | 1986-04-19 | Kawasaki Steel Corp | 製鋼用転炉の羽口の保護方法 |
| JPS61284516A (ja) * | 1985-06-12 | 1986-12-15 | Kawasaki Steel Corp | 転炉の撹拌ガス供給方法 |
| CN111961797A (zh) * | 2020-09-16 | 2020-11-20 | 攀钢集团研究院有限公司 | 提高半钢炼钢转炉煤气中co含量的方法 |
| CN113025778B (zh) * | 2021-03-03 | 2022-09-20 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种降低电炉氧化法碳粉消耗的方法 |
| CN113106190B (zh) * | 2021-04-09 | 2022-05-03 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种转炉冶炼得到高锰低磷钢水的炼钢方法 |
| CN115305313B (zh) * | 2022-09-16 | 2023-05-16 | 宝武集团鄂城钢铁有限公司 | 一种转炉化渣剂及其制备方法和应用 |
-
1979
- 1979-05-24 JP JP6422179A patent/JPS55158208A/ja active Pending
-
1980
- 1980-05-21 ZA ZA00803028A patent/ZA803028B/xx unknown
- 1980-05-23 BE BE0/200762A patent/BE883475A/fr not_active IP Right Cessation
- 1980-06-20 IN IN714/CAL/80A patent/IN152953B/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0060305B1 (en) * | 1980-09-19 | 1985-01-09 | Kawasaki Steel Corporation | Method for smelting using top-and bottom-blown converter |
| CN119220761A (zh) * | 2024-09-27 | 2024-12-31 | 北京科技大学 | 一种转炉高温铁水条件下少渣冶炼造气的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55158208A (en) | 1980-12-09 |
| IN152953B (enExample) | 1984-05-05 |
| ZA803028B (en) | 1981-06-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: SUMITOMO METAL INDUSTRIES LTD Effective date: 20000523 |