CA1115962A - Steelmaking process - Google Patents
Steelmaking processInfo
- Publication number
- CA1115962A CA1115962A CA302,395A CA302395A CA1115962A CA 1115962 A CA1115962 A CA 1115962A CA 302395 A CA302395 A CA 302395A CA 1115962 A CA1115962 A CA 1115962A
- Authority
- CA
- Canada
- Prior art keywords
- convertor
- iron
- tuyeres
- process according
- scrap
- 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
- 238000009628 steelmaking Methods 0.000 title claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 162
- 239000007787 solid Substances 0.000 claims abstract description 96
- 229910052742 iron Inorganic materials 0.000 claims abstract description 81
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 78
- 239000001301 oxygen Substances 0.000 claims abstract description 75
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 75
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000000034 method Methods 0.000 claims abstract description 74
- 230000008569 process Effects 0.000 claims abstract description 72
- 239000000969 carrier Substances 0.000 claims abstract description 57
- 238000007670 refining Methods 0.000 claims abstract description 40
- 239000000155 melt Substances 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 239000003570 air Substances 0.000 claims abstract description 12
- 239000000567 combustion gas Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 42
- 239000007789 gas Substances 0.000 claims description 41
- 229910000805 Pig iron Inorganic materials 0.000 claims description 34
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 230000001590 oxidative effect Effects 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 239000000571 coke Substances 0.000 claims description 24
- 238000007664 blowing Methods 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 17
- 229930195733 hydrocarbon Natural products 0.000 claims description 15
- 150000002430 hydrocarbons Chemical class 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 15
- 230000008018 melting Effects 0.000 claims description 15
- 238000002485 combustion reaction Methods 0.000 claims description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 14
- 239000001294 propane Substances 0.000 claims description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 239000000295 fuel oil Substances 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- 239000003345 natural gas Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003830 anthracite Substances 0.000 claims description 3
- 239000001273 butane Substances 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 3
- -1 natural gase Chemical compound 0.000 claims description 3
- 239000008188 pellet Substances 0.000 claims description 3
- 239000000161 steel melt Substances 0.000 claims description 3
- 239000012159 carrier gas Substances 0.000 claims description 2
- 239000003245 coal Substances 0.000 claims description 2
- 239000010779 crude oil Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 230000003292 diminished effect Effects 0.000 claims description 2
- 239000010771 distillate fuel oil Substances 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims description 2
- 238000007792 addition Methods 0.000 claims 1
- 238000004821 distillation Methods 0.000 claims 1
- 239000010763 heavy fuel oil Substances 0.000 claims 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims 1
- 239000011819 refractory material Substances 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- 239000003921 oil Substances 0.000 description 17
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- 239000002893 slag Substances 0.000 description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 8
- 229910052698 phosphorus Inorganic materials 0.000 description 8
- 239000011574 phosphorus Substances 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 5
- 229910052748 manganese Inorganic materials 0.000 description 5
- 239000011572 manganese Substances 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000002349 favourable effect 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
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- 238000009827 uniform distribution 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/48—Bottoms or tuyéres of converters
-
- 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
- C21C5/34—Blowing 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
- C21C5/56—Manufacture of steel by other methods
- C21C5/562—Manufacture of steel by other methods starting from scrap
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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 (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP2719981.1 | 1977-05-04 | ||
| DE2719981A DE2719981B2 (de) | 1977-05-04 | 1977-05-04 | Verfahren zur Stahlerzeugung |
| DEP2729983.8 | 1977-07-02 | ||
| DE2729983A DE2729983B2 (de) | 1977-07-02 | 1977-07-02 | Verfahren zur Stahlerzeugung |
| DEP2729982.7 | 1977-07-02 | ||
| DE2729982A DE2729982B2 (de) | 1977-07-02 | 1977-07-02 | Verfahren zur Schrottsatzerhöhung bei der Stahlherstellung nach dem Sauerstoffdurchblasverfahren |
| DE2756432A DE2756432B2 (de) | 1977-12-17 | 1977-12-17 | Verfahren und Vorrichtung zur Erhöhung des Schrottsatzes bei der Stahlherstellung im Konverter mit Eindüsung von kohlenwasserstoffummantelten Sauerstoff unterhalb der Badoberfläche |
| DEP2756432.5 | 1977-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1115962A true CA1115962A (en) | 1982-01-12 |
Family
ID=27432216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA302,395A Expired CA1115962A (en) | 1977-05-04 | 1978-05-01 | Steelmaking process |
Country Status (17)
| Country | Link |
|---|---|
| JP (1) | JPS541220A (es) |
| AR (1) | AR218488A1 (es) |
| AT (1) | AT381955B (es) |
| AU (1) | AU524543B2 (es) |
| BE (1) | BE866644A (es) |
| BR (1) | BR7802772A (es) |
| CA (1) | CA1115962A (es) |
| CZ (1) | CZ281854B6 (es) |
| DD (1) | DD137728A5 (es) |
| FR (1) | FR2389677B1 (es) |
| GB (1) | GB1597058A (es) |
| HU (1) | HU178526B (es) |
| IN (1) | IN150145B (es) |
| LU (1) | LU79574A1 (es) |
| NL (1) | NL177610C (es) |
| PL (1) | PL124494B1 (es) |
| SE (1) | SE447911B (es) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL186331C (nl) * | 1979-03-15 | 1990-11-01 | Kloeckner Cra Patent | Werkwijze voor het bereiden van staal en convertor voor het uitvoeren van de werkwijze. |
| SU870440A2 (ru) * | 1979-04-24 | 1981-10-07 | Сибирский металлургический институт им. Серго Орджоникидзе | Способ выплавки стали |
| DE2949801C2 (de) * | 1979-12-11 | 1987-03-26 | Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg | Umschaltventil für die Versorgung einer Düse an einem Strahlerzeugungskonverter mit Sauerstoff oder Brennstoff |
| DE2939859C2 (de) * | 1979-10-02 | 1983-06-23 | Klöckner-Werke AG, 4100 Duisburg | Verfahren zur Stahlherstellung |
| JPS6023182B2 (ja) * | 1979-12-01 | 1985-06-06 | 新日本製鐵株式会社 | 中炭素高クロム溶湯の溶製方法 |
| DE2949794C2 (de) * | 1979-12-11 | 1984-01-19 | Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg | Verfahren, einer Eisenschmelze im Konverter Kohlenstoff zuzuführen |
| JPS5757822A (en) * | 1980-09-24 | 1982-04-07 | Kawasaki Steel Corp | Blowing method of converter having bottom blowing tuyere |
| JPS58130210A (ja) * | 1982-01-27 | 1983-08-03 | Nippon Steel Corp | 転炉に於ける屑鉄・合金鉄の加熱方法 |
| JPS59143012A (ja) * | 1983-02-01 | 1984-08-16 | Kawasaki Steel Corp | 底吹きあるいは上底吹き転炉による製鋼法 |
| JPS61195909A (ja) * | 1985-02-26 | 1986-08-30 | Kawasaki Steel Corp | 転炉内での屑鉄溶解方法 |
| GB8516143D0 (en) * | 1985-06-26 | 1985-07-31 | British Steel Corp | Melting of metals |
| JPS6227514A (ja) * | 1985-07-30 | 1987-02-05 | Nippon Steel Corp | 酸化物の溶融還元製練法 |
| JPH0293012A (ja) * | 1988-06-03 | 1990-04-03 | Nippon Steel Corp | 転炉内屑鉄加熱方法 |
| DE3819031C1 (es) * | 1988-06-03 | 1989-07-20 | Kloeckner Stahl Gmbh, 4100 Duisburg, De | |
| JPH0645814B2 (ja) * | 1988-11-24 | 1994-06-15 | 住友金属工業株式会社 | スクラップの溶解方法 |
| AT517944B1 (de) * | 2016-06-29 | 2017-06-15 | Dipl Ing Ernst Fritz | Verfahren zur Stahlerzeugung unter Einsatz stückiger Eisenträger |
| CN115261546B (zh) * | 2021-04-30 | 2024-05-14 | 宝山钢铁股份有限公司 | 转炉炼钢中最经济废钢比的确定方法、系统、设备和介质 |
| CN114574652B (zh) * | 2022-02-28 | 2023-01-13 | 阳春新钢铁有限责任公司 | 一种lf炉提高转炉废钢比的方法 |
| CN115725812A (zh) * | 2022-09-07 | 2023-03-03 | 王伟 | 一种转炉高废钢比冶炼工艺 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3920447A (en) * | 1972-02-28 | 1975-11-18 | Pennsylvania Engineering Corp | Steel production method |
| US3897047A (en) * | 1972-07-27 | 1975-07-29 | United States Steel Corp | Apparatus for and method of refining an iron base melt |
| JPS587690B2 (ja) * | 1972-08-01 | 1983-02-10 | ユ−エスエス エンジニアズ アンド コンサルタンツ インコ−ポレイテイド | 製鋼用転炉の操作をコントロ−ルする方法 |
| US3912243A (en) * | 1973-04-04 | 1975-10-14 | Berry Metal Co | Apparatus and process for refining hot metal to steel |
-
1978
- 1978-04-27 SE SE7804862A patent/SE447911B/sv not_active IP Right Cessation
- 1978-04-29 PL PL1978206480A patent/PL124494B1/pl unknown
- 1978-05-01 CA CA302,395A patent/CA1115962A/en not_active Expired
- 1978-05-02 LU LU79574A patent/LU79574A1/de unknown
- 1978-05-02 HU HUEI000792 patent/HU178526B/hu unknown
- 1978-05-02 AT AT315878A patent/AT381955B/de not_active IP Right Cessation
- 1978-05-03 NL NL7804802A patent/NL177610C/xx not_active IP Right Cessation
- 1978-05-03 GB GB17506/78A patent/GB1597058A/en not_active Expired
- 1978-05-03 FR FR7813161A patent/FR2389677B1/fr not_active Expired
- 1978-05-03 BR BR7802772A patent/BR7802772A/pt unknown
- 1978-05-03 AR AR27201078A patent/AR218488A1/es active
- 1978-05-03 BE BE187334A patent/BE866644A/xx not_active IP Right Cessation
- 1978-05-03 AU AU35721/78A patent/AU524543B2/en not_active Expired
- 1978-05-04 JP JP5283078A patent/JPS541220A/ja active Granted
- 1978-05-04 IN IN493/CAL/78A patent/IN150145B/en unknown
- 1978-05-04 CZ CS782864A patent/CZ281854B6/cs unknown
- 1978-05-04 DD DD20518178A patent/DD137728A5/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| LU79574A1 (de) | 1978-11-03 |
| CZ281854B6 (cs) | 1997-03-12 |
| CZ286478A3 (en) | 1996-12-11 |
| PL206480A1 (pl) | 1979-01-29 |
| NL177610C (nl) | 1985-10-16 |
| NL7804802A (nl) | 1978-11-07 |
| ATA315878A (de) | 1986-05-15 |
| HU178526B (en) | 1982-05-28 |
| NL177610B (nl) | 1985-05-17 |
| SE447911B (sv) | 1986-12-22 |
| FR2389677A1 (es) | 1978-12-01 |
| BE866644A (fr) | 1978-09-01 |
| DD137728A5 (de) | 1979-09-19 |
| AU3572178A (en) | 1979-11-08 |
| JPS5651207B2 (es) | 1981-12-03 |
| JPS541220A (en) | 1979-01-08 |
| AR218488A1 (es) | 1980-06-13 |
| BR7802772A (pt) | 1978-12-12 |
| GB1597058A (en) | 1981-09-03 |
| IN150145B (es) | 1982-07-31 |
| PL124494B1 (en) | 1983-01-31 |
| SE7804862L (sv) | 1978-11-05 |
| AU524543B2 (en) | 1982-09-23 |
| AT381955B (de) | 1986-12-29 |
| FR2389677B1 (es) | 1981-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |