DE2111503A1 - Verfahren zur dynamischen steuerung des frischens von haematit-roheisen - Google Patents
Verfahren zur dynamischen steuerung des frischens von haematit-roheisenInfo
- Publication number
- DE2111503A1 DE2111503A1 DE19712111503 DE2111503A DE2111503A1 DE 2111503 A1 DE2111503 A1 DE 2111503A1 DE 19712111503 DE19712111503 DE 19712111503 DE 2111503 A DE2111503 A DE 2111503A DE 2111503 A1 DE2111503 A1 DE 2111503A1
- Authority
- DE
- Germany
- Prior art keywords
- oxygen
- lance
- value
- slag
- hand
- 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 63
- 229910000805 Pig iron Inorganic materials 0.000 title claims description 18
- 229910052595 hematite Inorganic materials 0.000 title claims description 6
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 title claims description 6
- 239000002893 slag Substances 0.000 claims description 56
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 50
- 239000001301 oxygen Substances 0.000 claims description 50
- 229910052760 oxygen Inorganic materials 0.000 claims description 50
- 238000005261 decarburization Methods 0.000 claims description 44
- 230000008569 process Effects 0.000 claims description 40
- 239000000203 mixture Substances 0.000 claims description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 238000011161 development Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 8
- 238000007670 refining Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 5
- 239000011019 hematite Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 239000010436 fluorite Substances 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000002123 temporal effect Effects 0.000 claims 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims 2
- 239000001569 carbon dioxide Substances 0.000 claims 2
- 229910002091 carbon monoxide Inorganic materials 0.000 claims 2
- 241001417490 Sillaginidae Species 0.000 claims 1
- 239000000378 calcium silicate Substances 0.000 claims 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000003546 flue gas Substances 0.000 claims 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 14
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 11
- 238000005259 measurement Methods 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 2
- 235000012241 calcium silicate Nutrition 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 1
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE747383 | 1970-03-13 | ||
| BE753460 | 1970-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2111503A1 true DE2111503A1 (de) | 1971-09-30 |
Family
ID=25656800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712111503 Pending DE2111503A1 (de) | 1970-03-13 | 1971-03-10 | Verfahren zur dynamischen steuerung des frischens von haematit-roheisen |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE2111503A1 (cs) |
| FR (1) | FR2081917B1 (cs) |
| GB (1) | GB1302306A (cs) |
| LU (1) | LU62779A1 (cs) |
| NL (1) | NL7103365A (cs) |
-
1971
- 1971-03-10 DE DE19712111503 patent/DE2111503A1/de active Pending
- 1971-03-12 NL NL7103365A patent/NL7103365A/xx unknown
- 1971-03-12 FR FR7108616A patent/FR2081917B1/fr not_active Expired
- 1971-03-12 LU LU62779D patent/LU62779A1/xx unknown
- 1971-04-19 GB GB2402371A patent/GB1302306A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2081917B1 (cs) | 1974-02-15 |
| GB1302306A (cs) | 1973-01-10 |
| FR2081917A1 (cs) | 1971-12-10 |
| NL7103365A (cs) | 1971-09-15 |
| LU62779A1 (cs) | 1971-08-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |