CN106148633B - 一种if钢中铝含量的稳定控制方法 - Google Patents
一种if钢中铝含量的稳定控制方法 Download PDFInfo
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- CN106148633B CN106148633B CN201610602040.2A CN201610602040A CN106148633B CN 106148633 B CN106148633 B CN 106148633B CN 201610602040 A CN201610602040 A CN 201610602040A CN 106148633 B CN106148633 B CN 106148633B
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- steel
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- ladle
- converter
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- 239000010959 steel Substances 0.000 title claims abstract description 113
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 48
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 40
- 239000004411 aluminium Substances 0.000 title claims abstract description 39
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000002893 slag Substances 0.000 claims abstract description 45
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 35
- 238000009749 continuous casting Methods 0.000 claims abstract description 29
- 238000010079 rubber tapping Methods 0.000 claims abstract description 26
- 229910052786 argon Inorganic materials 0.000 claims abstract description 22
- 238000007664 blowing Methods 0.000 claims abstract description 21
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 15
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 15
- 239000004571 lime Substances 0.000 claims abstract description 15
- 238000003723 Smelting Methods 0.000 claims abstract description 14
- 230000004907 flux Effects 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 12
- 238000005266 casting Methods 0.000 claims abstract description 10
- 239000002826 coolant Substances 0.000 claims abstract description 10
- 238000012986 modification Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 21
- 229910052593 corundum Inorganic materials 0.000 claims description 21
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 21
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 claims description 10
- 239000010455 vermiculite Substances 0.000 claims description 8
- 229910052902 vermiculite Inorganic materials 0.000 claims description 8
- 235000019354 vermiculite Nutrition 0.000 claims description 8
- 229910052681 coesite Inorganic materials 0.000 claims description 7
- 229910052906 cristobalite Inorganic materials 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 229910052682 stishovite Inorganic materials 0.000 claims description 7
- 229910052717 sulfur Inorganic materials 0.000 claims description 7
- 229910052905 tridymite Inorganic materials 0.000 claims description 7
- 239000011449 brick Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 4
- CMBZEFASPGWDEN-UHFFFAOYSA-N argon;hydrate Chemical compound O.[Ar] CMBZEFASPGWDEN-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 7
- 230000004048 modification Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- YLUIKWVQCKSMCF-UHFFFAOYSA-N calcium;magnesium;oxygen(2-) Chemical compound [O-2].[O-2].[Mg+2].[Ca+2] YLUIKWVQCKSMCF-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 8
- 238000007670 refining Methods 0.000 description 5
- 230000003749 cleanliness Effects 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 238000004886 process control Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000010813 municipal solid waste Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing 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
- C21C5/36—Processes yielding slags of special composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/111—Treating the molten metal by using protecting powders
-
- 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
- C21C7/076—Use of slags or fluxes as treating agents
-
- 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
- C21C7/10—Handling in a vacuum
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
Description
熔炼号 | 活性石灰/(kg/t<sub>钢</sub>) | 调渣剂(kg/t<sub>钢</sub>) | 吹氩流量(NL/min) |
1 | 3.0 | 1.0 | 800 |
2 | 1.0 | 1.5 | 400 |
3 | 2.0 | 3.0 | 600 |
4 | 1.5 | 1.5 | 500 |
熔炼号 | 调渣剂(kg/t<sub>钢</sub>) | FeO/wt% |
1 | 1.0 | 1.0 |
2 | 2.0 | 0.9 |
3 | 1.5 | 1.6 |
4 | 1.0 | 1.2 |
熔炼号 | 中包间覆盖剂(kg/炉) | 蛭石(kg/炉) |
中包第1炉 | 700 | 不加 |
中包第2炉 | 不加 | 20 |
中包第3炉 | 不加 | 30 |
中包第4炉 | 不加 | 50 |
熔炼号 | 铝烧损/% | 冷轧表面缺陷率/% |
1 | 0.0026 | 0.38 |
2 | 0.0023 | 0.21 |
3 | 0.0019 | 0.30 |
4 | 0.0022 | 0.34 |
对比1 | 0.0125 | 1.36 |
对比2 | 0.0130 | 1.40 |
Claims (3)
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CN201610602040.2A CN106148633B (zh) | 2016-07-28 | 2016-07-28 | 一种if钢中铝含量的稳定控制方法 |
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CN201610602040.2A CN106148633B (zh) | 2016-07-28 | 2016-07-28 | 一种if钢中铝含量的稳定控制方法 |
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CN106148633A CN106148633A (zh) | 2016-11-23 |
CN106148633B true CN106148633B (zh) | 2018-12-25 |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106591538A (zh) * | 2016-12-02 | 2017-04-26 | 青岛特殊钢铁有限公司 | 一种环保节能预熔型精炼调渣剂 |
CN107012287B (zh) * | 2017-04-18 | 2019-04-26 | 攀钢集团攀枝花钢铁研究院有限公司 | 用于热冲压成型钢的冶炼方法 |
CN106947844A (zh) * | 2017-05-03 | 2017-07-14 | 攀钢集团西昌钢钒有限公司 | 一种调渣方法 |
CN107586919B (zh) * | 2017-09-08 | 2019-05-21 | 吉林建龙钢铁有限责任公司 | 一种低碳深冲钢的制备工艺 |
CN107686874A (zh) * | 2017-09-11 | 2018-02-13 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种降低超低碳钢冶炼过程Als烧损的方法 |
CN108220533B (zh) * | 2017-12-26 | 2020-03-27 | 首钢集团有限公司 | 一种提高if钢合金收得率的方法 |
CN108480579B (zh) * | 2018-06-29 | 2020-01-31 | 西峡县西保冶金材料有限公司 | 一种汽车板钢专用低硅超低碳覆盖剂及其制备方法 |
EP3670677A1 (en) * | 2018-12-17 | 2020-06-24 | S.A. Lhoist Recherche Et Developpement | Process for manufacturing a slag conditioning agent for steel desulfurization |
CN111139337B (zh) * | 2020-01-21 | 2021-10-22 | 鞍钢股份有限公司 | 一种超低碳钢顶渣氧化性稳定控制的方法 |
CN112391571A (zh) * | 2020-11-25 | 2021-02-23 | 攀钢集团西昌钢钒有限公司 | 一种高强高铝高锰钢洁净度的控制方法 |
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CN102233413A (zh) * | 2011-06-27 | 2011-11-09 | 河南通宇冶材集团有限公司 | 一种超纯净钢无侵蚀型覆盖剂及其生产方法 |
CN102851455A (zh) * | 2011-06-29 | 2013-01-02 | 鞍钢股份有限公司 | 一种生产高氮if钢的方法 |
CN102952923A (zh) * | 2012-11-27 | 2013-03-06 | 南京钢铁股份有限公司 | 一种电石脱氧冶炼含铝钢工艺 |
CN102978505A (zh) * | 2012-11-20 | 2013-03-20 | 首钢总公司 | 高强if钢的冶炼方法 |
CN103397143A (zh) * | 2013-08-07 | 2013-11-20 | 武汉钢铁(集团)公司 | 一种改善Ti-IF水口堵塞的精炼方法 |
CN104131210A (zh) * | 2014-08-05 | 2014-11-05 | 攀钢集团西昌钢钒有限公司 | 超低磷if钢的生产方法 |
CN105603156A (zh) * | 2016-03-09 | 2016-05-25 | 攀钢集团攀枝花钢铁研究院有限公司 | 超低硫if钢的生产方法 |
-
2016
- 2016-07-28 CN CN201610602040.2A patent/CN106148633B/zh active Active
Patent Citations (7)
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CN102233413A (zh) * | 2011-06-27 | 2011-11-09 | 河南通宇冶材集团有限公司 | 一种超纯净钢无侵蚀型覆盖剂及其生产方法 |
CN102851455A (zh) * | 2011-06-29 | 2013-01-02 | 鞍钢股份有限公司 | 一种生产高氮if钢的方法 |
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