CA1045823A - Static method of controlling the refining reactions of pig iron for steel making purposes in an oxygen top blowing converter - Google Patents
Static method of controlling the refining reactions of pig iron for steel making purposes in an oxygen top blowing converterInfo
- Publication number
- CA1045823A CA1045823A CA217,206A CA217206A CA1045823A CA 1045823 A CA1045823 A CA 1045823A CA 217206 A CA217206 A CA 217206A CA 1045823 A CA1045823 A CA 1045823A
- Authority
- CA
- Canada
- Prior art keywords
- lime
- slag
- feo
- content
- pig iron
- 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
- 238000000034 method Methods 0.000 title claims abstract description 81
- 229910000805 Pig iron Inorganic materials 0.000 title claims abstract description 67
- 238000007670 refining Methods 0.000 title claims abstract description 39
- 238000007664 blowing Methods 0.000 title claims abstract description 32
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 20
- 239000001301 oxygen Substances 0.000 title claims abstract description 20
- 230000003068 static effect Effects 0.000 title claims abstract description 9
- 238000009628 steelmaking Methods 0.000 title claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 title abstract description 14
- 239000002893 slag Substances 0.000 claims abstract description 105
- 239000011572 manganese Substances 0.000 claims abstract description 72
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 54
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 51
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 38
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000011574 phosphorus Substances 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 239000000203 mixture Substances 0.000 claims abstract description 28
- 239000000126 substance Substances 0.000 claims abstract description 8
- 239000004571 lime Substances 0.000 claims description 130
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 129
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 129
- 230000008569 process Effects 0.000 claims description 42
- 235000002908 manganese Nutrition 0.000 claims description 36
- 235000014786 phosphorus Nutrition 0.000 claims description 33
- 238000004090 dissolution Methods 0.000 claims description 27
- 230000003647 oxidation Effects 0.000 claims description 22
- 238000007254 oxidation reaction Methods 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 238000004364 calculation method Methods 0.000 claims description 17
- 230000008859 change Effects 0.000 claims description 11
- 238000012937 correction Methods 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- 229910001341 Crude steel Inorganic materials 0.000 claims description 9
- 229910052681 coesite Inorganic materials 0.000 claims description 9
- 229910052906 cristobalite Inorganic materials 0.000 claims description 9
- 235000012239 silicon dioxide Nutrition 0.000 claims description 9
- 229910052682 stishovite Inorganic materials 0.000 claims description 9
- 229910052905 tridymite Inorganic materials 0.000 claims description 9
- 238000007792 addition Methods 0.000 claims description 8
- 238000005469 granulation Methods 0.000 claims description 7
- 230000003179 granulation Effects 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 230000001419 dependent effect Effects 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 239000000470 constituent Substances 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims 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 claims description 2
- 230000036284 oxygen consumption Effects 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000008030 elimination Effects 0.000 abstract description 2
- 238000003379 elimination reaction Methods 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 108
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 238000004458 analytical method Methods 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 239000000155 melt Substances 0.000 description 6
- 230000004075 alteration Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 239000010436 fluorite Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 235000012241 calcium silicate Nutrition 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
- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 241001024304 Mino Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 150000003278 haem Chemical class 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000007620 mathematical function Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- MQMHJMFHCMWGNS-UHFFFAOYSA-N phosphanylidynemanganese Chemical compound [Mn]#P MQMHJMFHCMWGNS-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010972 statistical evaluation Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 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
-
- 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)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT29374A AT336053B (de) | 1974-01-15 | 1974-01-15 | Statisches verfahren zur steuerung der frischreaktionen von stahlroheisen in einem sauerstoffaufblas- konverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1045823A true CA1045823A (en) | 1979-01-09 |
Family
ID=3486696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA217,206A Expired CA1045823A (en) | 1974-01-15 | 1974-12-31 | Static method of controlling the refining reactions of pig iron for steel making purposes in an oxygen top blowing converter |
Country Status (13)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019219623A1 (de) * | 2019-12-13 | 2021-06-17 | Sms Group Gmbh | Verfahren zur Bestimmung und Steuerung oder Regelung des Phosphor-Gehaltes in einer metallischen Schmelze während eines Frischprozesses einer metallischen Schmelze in einem metallurgischen Reaktor |
| CN116665791B (zh) * | 2023-05-25 | 2025-07-25 | 重庆钢铁股份有限公司 | 一种适用全部钢种的转炉低成本合金计算方法 |
-
1974
- 1974-01-15 AT AT29374A patent/AT336053B/de not_active IP Right Cessation
- 1974-12-10 SE SE7415439A patent/SE7415439L/ not_active Application Discontinuation
- 1974-12-16 DE DE2459449A patent/DE2459449C3/de not_active Expired
- 1974-12-30 ES ES433459A patent/ES433459A1/es not_active Expired
- 1974-12-31 CA CA217,206A patent/CA1045823A/en not_active Expired
-
1975
- 1975-01-10 LU LU71623A patent/LU71623A1/xx unknown
- 1975-01-10 BE BE152302A patent/BE824296A/xx unknown
- 1975-01-11 PL PL1975177297A patent/PL94955B1/pl unknown
- 1975-01-13 GB GB1333/75A patent/GB1500188A/en not_active Expired
- 1975-01-15 RO RO7581120A patent/RO66837A/ro unknown
- 1975-01-15 BR BR280/75A patent/BR7500280A/pt unknown
- 1975-01-15 FR FR7501158A patent/FR2257688B1/fr not_active Expired
- 1975-01-16 JP JP50007674A patent/JPS50103411A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE824296A (fr) | 1975-05-02 |
| JPS50103411A (enrdf_load_html_response) | 1975-08-15 |
| GB1500188A (en) | 1978-02-08 |
| FR2257688A1 (enrdf_load_html_response) | 1975-08-08 |
| FR2257688B1 (enrdf_load_html_response) | 1979-07-20 |
| ES433459A1 (es) | 1976-12-16 |
| LU71623A1 (enrdf_load_html_response) | 1975-06-17 |
| DE2459449C3 (de) | 1980-09-04 |
| BR7500280A (pt) | 1975-11-04 |
| DE2459449A1 (de) | 1975-07-17 |
| RO66837A (ro) | 1980-03-15 |
| PL94955B1 (enrdf_load_html_response) | 1977-09-30 |
| AT336053B (de) | 1977-04-12 |
| SE7415439L (enrdf_load_html_response) | 1975-07-16 |
| DE2459449B2 (de) | 1980-01-10 |
| ATA29374A (de) | 1976-08-15 |
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