JPH0127123B2 - - Google Patents
Info
- Publication number
- JPH0127123B2 JPH0127123B2 JP17144380A JP17144380A JPH0127123B2 JP H0127123 B2 JPH0127123 B2 JP H0127123B2 JP 17144380 A JP17144380 A JP 17144380A JP 17144380 A JP17144380 A JP 17144380A JP H0127123 B2 JPH0127123 B2 JP H0127123B2
- Authority
- JP
- Japan
- Prior art keywords
- oxygen
- tuyere
- blown
- blowing
- amount
- 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
Links
- 239000001301 oxygen Substances 0.000 claims description 105
- 229910052760 oxygen Inorganic materials 0.000 claims description 105
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 101
- 239000007789 gas Substances 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 29
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 230000003247 decreasing effect Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 description 47
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 26
- 238000003756 stirring Methods 0.000 description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 14
- 235000011941 Tilia x europaea Nutrition 0.000 description 14
- 239000004571 lime Substances 0.000 description 14
- 235000019738 Limestone Nutrition 0.000 description 13
- 229910052786 argon Inorganic materials 0.000 description 13
- 239000006028 limestone Substances 0.000 description 13
- 238000002156 mixing Methods 0.000 description 12
- 230000008901 benefit Effects 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 239000002893 slag Substances 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 9
- 238000009991 scouring Methods 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000005261 decarburization Methods 0.000 description 8
- 229910052595 hematite Inorganic materials 0.000 description 8
- 239000011019 hematite Substances 0.000 description 8
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 8
- 239000000779 smoke Substances 0.000 description 8
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 7
- 230000007935 neutral effect Effects 0.000 description 7
- 230000001590 oxidative effect Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 229910000805 Pig iron Inorganic materials 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 235000013980 iron oxide Nutrition 0.000 description 4
- 150000002926 oxygen Chemical class 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002090 carbon oxide Inorganic materials 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000003223 protective agent Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- -1 Secondly Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 241000282887 Suidae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009396 hybridization Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 239000000161 steel melt Substances 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
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 |
|---|---|---|---|
| FR7931990A FR2472616A1 (fr) | 1979-12-28 | 1979-12-28 | Procede de soufflage mixte pour l'affinage des metaux au convertisseur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5696011A JPS5696011A (en) | 1981-08-03 |
| JPH0127123B2 true JPH0127123B2 (enExample) | 1989-05-26 |
Family
ID=9233291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17144380A Granted JPS5696011A (en) | 1979-12-28 | 1980-12-04 | Mixing blowing method for purifying metal by converter |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5696011A (enExample) |
| FR (1) | FR2472616A1 (enExample) |
| IN (1) | IN154856B (enExample) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1151053A (fr) * | 1956-05-29 | 1958-01-23 | Procédé de conversion de fonte en acier | |
| FR1344238A (fr) * | 1962-04-16 | 1963-11-29 | Cie Des Ateliers & Forges De L | Procédé et dispositifs d'élaboration de l'acier |
| FR1478478A (fr) * | 1966-03-03 | 1967-04-28 | Loire Atel Forges | Fond de convertisseur d'aciérie et procédé d'élaboration de l'acier mettant en oeuvre un tel fond |
| FR2158140A1 (en) * | 1971-11-05 | 1973-06-15 | Creusot Loire | Steel making - by top and bottom blowing oxygen with a fluid contg hydrocarbons |
| AT337736B (de) * | 1973-02-12 | 1977-07-11 | Voest Ag | Verfahren zum frischen von roheisen |
| FR2322202A1 (fr) * | 1975-08-29 | 1977-03-25 | Siderurgie Fse Inst Rech | Procede d'elaboration d'acier par soufflage d'oxygene |
-
1979
- 1979-12-28 FR FR7931990A patent/FR2472616A1/fr active Granted
-
1980
- 1980-11-11 IN IN800/DEL/80A patent/IN154856B/en unknown
- 1980-12-04 JP JP17144380A patent/JPS5696011A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5696011A (en) | 1981-08-03 |
| FR2472616B1 (enExample) | 1984-07-13 |
| FR2472616A1 (fr) | 1981-07-03 |
| IN154856B (enExample) | 1984-12-15 |
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