JPS6138249B2 - - Google Patents
Info
- Publication number
- JPS6138249B2 JPS6138249B2 JP55173889A JP17388980A JPS6138249B2 JP S6138249 B2 JPS6138249 B2 JP S6138249B2 JP 55173889 A JP55173889 A JP 55173889A JP 17388980 A JP17388980 A JP 17388980A JP S6138249 B2 JPS6138249 B2 JP S6138249B2
- Authority
- JP
- Japan
- Prior art keywords
- oxygen
- nozzle
- bath surface
- melt
- converter
- 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 113
- 229910052760 oxygen Inorganic materials 0.000 claims description 113
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 112
- 238000007664 blowing Methods 0.000 claims description 57
- 239000000155 melt Substances 0.000 claims description 50
- 238000000034 method Methods 0.000 claims description 48
- 239000000446 fuel Substances 0.000 claims description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 34
- 239000007789 gas Substances 0.000 claims description 29
- 229910052799 carbon Inorganic materials 0.000 claims description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 238000007670 refining Methods 0.000 claims description 19
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 18
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 18
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 18
- 239000004571 lime Substances 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 11
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 9
- 239000011449 brick Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 239000012159 carrier gas Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000009628 steelmaking Methods 0.000 claims description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000001294 propane Substances 0.000 claims description 5
- 239000012495 reaction gas Substances 0.000 claims description 5
- 239000011343 solid material Substances 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 229910000805 Pig iron Inorganic materials 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000000571 coke Substances 0.000 claims description 4
- 239000003345 natural gas Substances 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 239000003077 lignite Substances 0.000 claims description 3
- 239000011819 refractory material Substances 0.000 claims description 3
- -1 argon Chemical compound 0.000 claims description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 2
- 239000010459 dolomite Substances 0.000 claims description 2
- 229910000514 dolomite Inorganic materials 0.000 claims description 2
- 239000010436 fluorite Substances 0.000 claims description 2
- 230000002028 premature Effects 0.000 claims description 2
- 239000005997 Calcium carbide Substances 0.000 claims 1
- 239000010439 graphite Substances 0.000 claims 1
- 229910002804 graphite Inorganic materials 0.000 claims 1
- 239000000376 reactant Substances 0.000 claims 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 claims 1
- 239000002893 slag Substances 0.000 description 29
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 13
- 229930195733 hydrocarbon Natural products 0.000 description 8
- 150000002430 hydrocarbons Chemical class 0.000 description 8
- 238000005261 decarburization Methods 0.000 description 6
- 235000013980 iron oxide Nutrition 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000000161 steel melt Substances 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 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 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000010771 distillate fuel oil Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000153 supplemental 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792951156 DE2951156A1 (de) | 1979-12-11 | 1979-12-11 | Verfahren zur waermezufuhr bei der stahlerzeugung im konverter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56105413A JPS56105413A (en) | 1981-08-21 |
| JPS6138249B2 true JPS6138249B2 (fr) | 1986-08-28 |
Family
ID=6088947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17388980A Granted JPS56105413A (en) | 1979-12-11 | 1980-12-11 | Steel making method |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS56105413A (fr) |
| DE (1) | DE2951156A1 (fr) |
| MX (1) | MX157359A (fr) |
| RU (1) | RU2010864C1 (fr) |
| ZA (1) | ZA807738B (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56163211A (en) * | 1980-05-16 | 1981-12-15 | Nippon Steel Corp | Steel making method |
| 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. |
| DE102010004983A1 (de) | 2010-01-19 | 2011-07-21 | SMS Siemag Aktiengesellschaft, 40237 | Verfahren zur Schaumschlackenerzeugung einer Rostfreischmelze in einem Konverter |
| US11155890B2 (en) * | 2019-07-17 | 2021-10-26 | Air Products And Chemicals, Inc. | Tuyere for a basic oxygen furnace |
| CN112322825B (zh) * | 2020-10-26 | 2022-07-15 | 北京首钢股份有限公司 | 一种降低半钢炉渣全铁含量的方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5420443A (en) * | 1977-07-15 | 1979-02-15 | Matsushita Electric Ind Co Ltd | High frequency heating device |
| JPS54109016A (en) * | 1977-12-10 | 1979-08-27 | Maximilianshuette Eisenwerk | Improvement of heat balance in steel making |
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 |
| DE2316768B2 (de) * | 1973-04-04 | 1977-03-03 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zum frischen von metallen, insbesondere roheisen, und vorrichtung zur durchfuehrung des verfahrens |
-
1979
- 1979-12-11 DE DE19792951156 patent/DE2951156A1/de active Granted
-
1980
- 1980-12-10 ZA ZA00807738A patent/ZA807738B/xx unknown
- 1980-12-10 MX MX185152A patent/MX157359A/es unknown
- 1980-12-10 RU SU803217507A patent/RU2010864C1/ru active
- 1980-12-11 JP JP17388980A patent/JPS56105413A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5420443A (en) * | 1977-07-15 | 1979-02-15 | Matsushita Electric Ind Co Ltd | High frequency heating device |
| JPS54109016A (en) * | 1977-12-10 | 1979-08-27 | Maximilianshuette Eisenwerk | Improvement of heat balance in steel making |
Also Published As
| Publication number | Publication date |
|---|---|
| MX157359A (es) | 1988-11-17 |
| DE2951156C2 (fr) | 1987-07-16 |
| DE2951156A1 (de) | 1981-06-25 |
| ZA807738B (en) | 1981-12-30 |
| JPS56105413A (en) | 1981-08-21 |
| RU2010864C1 (ru) | 1994-04-15 |
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