LU82481A1 - Procede et appareil de fabrication d'acier au carbone et d'acier faiblement allie aumoyen d'un four a oxygene basique a soufflage par le fond - Google Patents
Procede et appareil de fabrication d'acier au carbone et d'acier faiblement allie aumoyen d'un four a oxygene basique a soufflage par le fond Download PDFInfo
- Publication number
- LU82481A1 LU82481A1 LU82481A LU82481A LU82481A1 LU 82481 A1 LU82481 A1 LU 82481A1 LU 82481 A LU82481 A LU 82481A LU 82481 A LU82481 A LU 82481A LU 82481 A1 LU82481 A1 LU 82481A1
- Authority
- LU
- Luxembourg
- Prior art keywords
- gas
- blowing
- oxygen
- steel
- molten metal
- Prior art date
Links
- 238000007664 blowing Methods 0.000 title claims description 123
- 239000001301 oxygen Substances 0.000 title claims description 101
- 229910052760 oxygen Inorganic materials 0.000 title claims description 101
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims description 100
- 238000000034 method Methods 0.000 title claims description 55
- 238000004519 manufacturing process Methods 0.000 title claims description 34
- 229910000975 Carbon steel Inorganic materials 0.000 title claims description 8
- 229910000851 Alloy steel Inorganic materials 0.000 title claims description 6
- 239000010962 carbon steel Substances 0.000 title claims description 6
- 230000008569 process Effects 0.000 title description 40
- 239000007789 gas Substances 0.000 claims description 117
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 77
- 229910000831 Steel Inorganic materials 0.000 claims description 62
- 239000010959 steel Substances 0.000 claims description 62
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 42
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 41
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 39
- 239000001569 carbon dioxide Substances 0.000 claims description 38
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 229910052757 nitrogen Inorganic materials 0.000 claims description 19
- 229910052742 iron Inorganic materials 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 10
- 239000002912 waste gas Substances 0.000 claims description 9
- 239000000567 combustion gas Substances 0.000 claims description 8
- 239000000292 calcium oxide Substances 0.000 claims description 5
- 235000012255 calcium oxide Nutrition 0.000 claims description 5
- 239000010459 dolomite Substances 0.000 claims description 4
- 229910000514 dolomite Inorganic materials 0.000 claims description 4
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000010436 fluorite Substances 0.000 claims description 3
- 235000019738 Limestone Nutrition 0.000 claims description 2
- 239000006028 limestone Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000002893 slag Substances 0.000 description 14
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
- 238000005266 casting Methods 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 238000013019 agitation Methods 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 11
- 238000007670 refining Methods 0.000 description 10
- 238000005261 decarburization Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 229910001018 Cast iron Inorganic materials 0.000 description 8
- 239000011572 manganese Substances 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000004907 flux Effects 0.000 description 7
- 229910052786 argon Inorganic materials 0.000 description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 230000004927 fusion 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
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003923 scrap metal Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 101100162339 Anguilla japonica l-1 gene Proteins 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241001083878 Licania tomentosa Species 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 235000009470 Theobroma cacao Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 244000240602 cacao Species 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- -1 for example Inorganic materials 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 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
- 239000008267 milk Substances 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 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)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6422179 | 1979-05-24 | ||
| JP6422279 | 1979-05-24 | ||
| JP6422379 | 1979-05-24 | ||
| JP6422179A JPS55158208A (en) | 1979-05-24 | 1979-05-24 | Refining method of steel |
| JP6422279A JPS55158209A (en) | 1979-05-24 | 1979-05-24 | Composite blowing method of steel |
| JP54064223A JPS6013402B2 (ja) | 1979-05-24 | 1979-05-24 | ガス循環システムを有する鋼の精錬装置 |
| JP8452179 | 1979-07-03 | ||
| JP8452279 | 1979-07-03 | ||
| JP54084521A JPS6023163B2 (ja) | 1979-07-03 | 1979-07-03 | 鋼の製錬法 |
| JP54084522A JPS6040486B2 (ja) | 1979-07-03 | 1979-07-03 | 鋼の精錬法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU82481A1 true LU82481A1 (fr) | 1980-10-08 |
Family
ID=27523828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU82481A LU82481A1 (fr) | 1979-05-24 | 1980-05-23 | Procede et appareil de fabrication d'acier au carbone et d'acier faiblement allie aumoyen d'un four a oxygene basique a soufflage par le fond |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT377007B (it) |
| AU (2) | AU2829080A (it) |
| BR (1) | BR8003268A (it) |
| CA (1) | CA1153560A (it) |
| DE (1) | DE3019899C2 (it) |
| FR (1) | FR2457325A1 (it) |
| GB (1) | GB2054655B (it) |
| IT (1) | IT1130459B (it) |
| LU (1) | LU82481A1 (it) |
| NL (1) | NL183413C (it) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5623215A (en) * | 1979-08-02 | 1981-03-05 | Nippon Kokan Kk <Nkk> | Converter steel making method |
| JPS5816013A (ja) * | 1981-07-17 | 1983-01-29 | Kawasaki Steel Corp | 上底吹転炉の操業方法および上底吹転炉操業用上吹ランス |
| NL8201269A (nl) * | 1982-03-26 | 1983-10-17 | Hoogovens Groep Bv | Werkwijze voor het vervaardigen van staal in een converter uitgaande van ruwijzer en schrot. |
| JPS58185707A (ja) * | 1982-04-23 | 1983-10-29 | Sumitomo Metal Ind Ltd | 鋼の精錬法 |
| LU84390A1 (de) * | 1982-09-27 | 1984-04-24 | Arbed | Verfahren und einrichtung zum beheizen eines mit schrott beschickten stahlbades |
| US4599107A (en) * | 1985-05-20 | 1986-07-08 | Union Carbide Corporation | Method for controlling secondary top-blown oxygen in subsurface pneumatic steel refining |
| JPS62136513A (ja) * | 1985-12-10 | 1987-06-19 | Nippon Steel Corp | 転炉上底吹精錬方法 |
| DE4328045C2 (de) * | 1993-08-20 | 2001-02-08 | Ald Vacuum Techn Ag | Verfahren zum Entkohlen von kohlenstoffhaltigen Metallschmelzen |
| GB0209365D0 (en) | 2002-04-24 | 2002-06-05 | Boc Group Plc | Injection of solids into liquids |
| GB0213376D0 (en) | 2002-06-11 | 2002-07-24 | Boc Group Plc | Refining ferroalloys |
| US10781499B2 (en) | 2018-01-17 | 2020-09-22 | Air Products And Chemicals, Inc. | Bottom stirring tuyere and method for a basic oxygen furnace |
| CN114275784B (zh) * | 2021-12-24 | 2023-05-19 | 上海大学 | 一种利用co2制备co气体的系统及方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT337736B (de) * | 1973-02-12 | 1977-07-11 | Voest Ag | Verfahren zum frischen von roheisen |
| JPS518109A (it) * | 1974-06-07 | 1976-01-22 | British Steel Corp |
-
1980
- 1980-05-20 AU AU2829080A patent/AU2829080A/xx active Pending
- 1980-05-20 AU AU58590/80A patent/AU525023B2/en not_active Expired
- 1980-05-21 CA CA000352347A patent/CA1153560A/en not_active Expired
- 1980-05-22 GB GB8016879A patent/GB2054655B/en not_active Expired
- 1980-05-23 LU LU82481A patent/LU82481A1/fr unknown
- 1980-05-23 FR FR8011588A patent/FR2457325A1/fr active Granted
- 1980-05-23 DE DE3019899A patent/DE3019899C2/de not_active Expired
- 1980-05-23 IT IT67813/80A patent/IT1130459B/it active
- 1980-05-23 AT AT0277580A patent/AT377007B/de not_active IP Right Cessation
- 1980-05-23 NL NLAANVRAGE8003012,A patent/NL183413C/xx not_active IP Right Cessation
- 1980-05-26 BR BR8003268A patent/BR8003268A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL8003012A (nl) | 1980-11-26 |
| DE3019899A1 (de) | 1980-12-04 |
| AU2829080A (en) | 1980-11-27 |
| ATA277580A (de) | 1984-06-15 |
| DE3019899C2 (de) | 1986-04-30 |
| NL183413C (nl) | 1988-10-17 |
| GB2054655A (en) | 1981-02-18 |
| IT1130459B (it) | 1986-06-11 |
| FR2457325B1 (it) | 1983-11-10 |
| NL183413B (nl) | 1988-05-16 |
| BR8003268A (pt) | 1980-12-30 |
| AT377007B (de) | 1985-01-25 |
| CA1153560A (en) | 1983-09-13 |
| IT8067813A0 (it) | 1980-05-23 |
| AU525023B2 (en) | 1982-10-14 |
| GB2054655B (en) | 1983-03-30 |
| FR2457325A1 (fr) | 1980-12-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DT | Application date | ||
| TA | Annual fee |