DE2208355A1 - Verfahren zur Herstellung von Stahl nach dem Sauerstoffaufblasverfahren - Google Patents
Verfahren zur Herstellung von Stahl nach dem SauerstoffaufblasverfahrenInfo
- Publication number
- DE2208355A1 DE2208355A1 DE19722208355 DE2208355A DE2208355A1 DE 2208355 A1 DE2208355 A1 DE 2208355A1 DE 19722208355 DE19722208355 DE 19722208355 DE 2208355 A DE2208355 A DE 2208355A DE 2208355 A1 DE2208355 A1 DE 2208355A1
- Authority
- DE
- Germany
- Prior art keywords
- slag
- production
- chromium
- pig iron
- blowing
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 24
- 230000008569 process Effects 0.000 title claims description 22
- 238000007664 blowing Methods 0.000 title claims description 14
- 229910000831 Steel Inorganic materials 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000010959 steel Substances 0.000 title claims description 12
- 229910052760 oxygen Inorganic materials 0.000 title claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims description 9
- 239000001301 oxygen Substances 0.000 title claims description 9
- 239000002893 slag Substances 0.000 claims description 54
- 229910000805 Pig iron Inorganic materials 0.000 claims description 18
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 17
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 13
- 229910052804 chromium Inorganic materials 0.000 claims description 13
- 239000011651 chromium Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 235000012255 calcium oxide Nutrition 0.000 claims description 9
- 239000000292 calcium oxide Substances 0.000 claims description 9
- 230000004907 flux Effects 0.000 claims description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 229910001018 Cast iron Inorganic materials 0.000 claims 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 11
- 235000011941 Tilia x europaea Nutrition 0.000 description 11
- 239000004571 lime Substances 0.000 description 11
- 239000011572 manganese Substances 0.000 description 6
- 238000007670 refining Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000616 Ferromanganese Inorganic materials 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 229910001341 Crude steel Inorganic materials 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 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
- 229910001570 bauxite Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000014759 maintenance of location Effects 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
- 239000008188 pellet Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 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
- 239000010802 sludge Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007480 spreading 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
- C21C5/32—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 |
|---|---|---|---|
| AT171371A AT319298B (de) | 1971-03-01 | 1971-03-01 | Verfahren zur Herstellung von Stahl nach dem Sauerstoffaufblasverfahren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2208355A1 true DE2208355A1 (de) | 1972-09-14 |
Family
ID=3519368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722208355 Pending DE2208355A1 (de) | 1971-03-01 | 1972-02-22 | Verfahren zur Herstellung von Stahl nach dem Sauerstoffaufblasverfahren |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3802866A (en, 2012) |
| AT (1) | AT319298B (en, 2012) |
| BE (1) | BE780017A (en, 2012) |
| DE (1) | DE2208355A1 (en, 2012) |
| FR (1) | FR2128488B1 (en, 2012) |
| GB (1) | GB1358326A (en, 2012) |
| IT (1) | IT947654B (en, 2012) |
| LU (1) | LU64807A1 (en, 2012) |
| NL (1) | NL7202308A (en, 2012) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3884678A (en) * | 1974-02-04 | 1975-05-20 | Jones & Laughlin Steel Corp | Fluxes |
| US4746361A (en) * | 1987-04-03 | 1988-05-24 | Inland Steel Company | Controlling dissolved oxygen content in molten steel |
| CN101426938B (zh) * | 2007-01-31 | 2010-06-02 | 中国科学院过程工程研究所 | 一种钢材防氧化涂料及钢材的防氧化方法 |
| CN108842035A (zh) * | 2018-06-15 | 2018-11-20 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 一种炼钢转炉钢渣脱氧球的制造方法 |
| CN113174456B (zh) * | 2021-04-28 | 2022-10-04 | 东北大学 | 一种底顶复合吹熔融还原高铁赤泥的综合利用方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1783013B1 (de) * | 1968-09-19 | 1970-10-29 | Rheinische Kalksteinwerke | Verfahren zur Herstellung von Stahl mit hohem Kohle nstoff- und niedrigem Phosphorgehalt nach dem Sauerstoffaufblasverfahren |
-
1971
- 1971-03-01 AT AT171371A patent/AT319298B/de not_active IP Right Cessation
-
1972
- 1972-02-17 US US00227304A patent/US3802866A/en not_active Expired - Lifetime
- 1972-02-17 IT IT20690/72A patent/IT947654B/it active
- 1972-02-18 LU LU64807D patent/LU64807A1/xx unknown
- 1972-02-22 DE DE19722208355 patent/DE2208355A1/de active Pending
- 1972-02-22 NL NL7202308A patent/NL7202308A/xx unknown
- 1972-02-24 GB GB868072A patent/GB1358326A/en not_active Expired
- 1972-02-29 BE BE780017A patent/BE780017A/xx unknown
- 1972-03-01 FR FR7207111A patent/FR2128488B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2128488A1 (en, 2012) | 1972-10-20 |
| GB1358326A (en) | 1974-07-03 |
| AT319298B (de) | 1974-12-10 |
| LU64807A1 (en, 2012) | 1972-07-04 |
| FR2128488B1 (en, 2012) | 1976-07-23 |
| BE780017A (fr) | 1972-06-16 |
| NL7202308A (en, 2012) | 1972-09-05 |
| IT947654B (it) | 1973-05-30 |
| US3802866A (en) | 1974-04-09 |
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