CN112481444B - 一种电炉降低钢铁料消耗工艺 - Google Patents
一种电炉降低钢铁料消耗工艺 Download PDFInfo
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- CN112481444B CN112481444B CN202011256719.3A CN202011256719A CN112481444B CN 112481444 B CN112481444 B CN 112481444B CN 202011256719 A CN202011256719 A CN 202011256719A CN 112481444 B CN112481444 B CN 112481444B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 234
- 239000010959 steel Substances 0.000 title claims abstract description 234
- 238000000034 method Methods 0.000 title claims abstract description 78
- 230000008569 process Effects 0.000 title claims abstract description 77
- 239000000463 material Substances 0.000 title claims abstract description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 122
- 239000002893 slag Substances 0.000 claims abstract description 104
- 229910052742 iron Inorganic materials 0.000 claims abstract description 62
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 46
- 239000001301 oxygen Substances 0.000 claims abstract description 46
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 239000000203 mixture Substances 0.000 claims abstract description 43
- 238000007664 blowing Methods 0.000 claims abstract description 36
- 238000010079 rubber tapping Methods 0.000 claims abstract description 22
- 239000003607 modifier Substances 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 121
- 239000012535 impurity Substances 0.000 claims description 121
- 239000007789 gas Substances 0.000 claims description 119
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 101
- 229910052717 sulfur Inorganic materials 0.000 claims description 99
- 239000011593 sulfur Substances 0.000 claims description 99
- 229910052799 carbon Inorganic materials 0.000 claims description 76
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 70
- 229910052698 phosphorus Inorganic materials 0.000 claims description 64
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 58
- 239000011574 phosphorus Substances 0.000 claims description 58
- 239000011159 matrix material Substances 0.000 claims description 53
- 230000003009 desulfurizing effect Effects 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 6
- 238000011897 real-time detection Methods 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 230000008859 change Effects 0.000 description 18
- 238000009628 steelmaking Methods 0.000 description 4
- 238000005262 decarbonization Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005275 alloying Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- C21C5/52—Manufacture of steel in electric furnaces
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/527—Charging of the electric furnace
-
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
-
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011256719.3A CN112481444B (zh) | 2020-11-11 | 2020-11-11 | 一种电炉降低钢铁料消耗工艺 |
Applications Claiming Priority (1)
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CN202011256719.3A CN112481444B (zh) | 2020-11-11 | 2020-11-11 | 一种电炉降低钢铁料消耗工艺 |
Publications (2)
Publication Number | Publication Date |
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CN112481444A CN112481444A (zh) | 2021-03-12 |
CN112481444B true CN112481444B (zh) | 2022-07-19 |
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CN202011256719.3A Active CN112481444B (zh) | 2020-11-11 | 2020-11-11 | 一种电炉降低钢铁料消耗工艺 |
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Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1178554C (zh) * | 2000-03-17 | 2004-12-01 | 密执安特种矿石公司 | 自动控制熔渣起泡的装置和方法 |
CN103443296B (zh) * | 2011-07-18 | 2015-06-03 | Abb研究有限公司 | 用于控制熔化过程的方法和控制系统 |
CN105369006B (zh) * | 2015-11-12 | 2018-01-16 | 江苏联峰能源装备有限公司 | 电炉出钢下渣时的钢渣分离装置 |
CN108203752A (zh) * | 2018-01-17 | 2018-06-26 | 青岛贝诺磁电科技有限公司 | 一种中频电炉配加料控制方法及智能化系统 |
CN111363887A (zh) * | 2020-04-21 | 2020-07-03 | 中冶南方工程技术有限公司 | 一种电炉炼钢的过程控制方法 |
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- 2020-11-11 CN CN202011256719.3A patent/CN112481444B/zh active Active
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Application publication date: 20210312 Assignee: Fujian Kebao Metal Products Co.,Ltd. Assignor: FUJIAN SANBAO STEEL Co.,Ltd. Contract record no.: X2023980051618 Denomination of invention: A Process for Reducing Steel Material Consumption in Electric Furnaces Granted publication date: 20220719 License type: Common License Record date: 20240130 |
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Application publication date: 20210312 Assignee: Fujian Sanbao Metallurgical Research Institute Co.,Ltd. Assignor: FUJIAN SANBAO STEEL Co.,Ltd. Contract record no.: X2023980051681 Denomination of invention: A Process for Reducing Steel Material Consumption in Electric Furnaces Granted publication date: 20220719 License type: Common License Record date: 20240201 Application publication date: 20210312 Assignee: Fujian Huasheng New Energy Development Co.,Ltd. Assignor: FUJIAN SANBAO STEEL Co.,Ltd. Contract record no.: X2023980051673 Denomination of invention: A Process for Reducing Steel Material Consumption in Electric Furnaces Granted publication date: 20220719 License type: Common License Record date: 20240131 Application publication date: 20210312 Assignee: FUJIAN SANBAO SPECIAL STEEL Co.,Ltd. Assignor: FUJIAN SANBAO STEEL Co.,Ltd. Contract record no.: X2023980051668 Denomination of invention: A Process for Reducing Steel Material Consumption in Electric Furnaces Granted publication date: 20220719 License type: Common License Record date: 20240201 |