CN114535525B - 一种超低硫无取向电工钢及生产方法 - Google Patents
一种超低硫无取向电工钢及生产方法 Download PDFInfo
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- CN114535525B CN114535525B CN202210351718.XA CN202210351718A CN114535525B CN 114535525 B CN114535525 B CN 114535525B CN 202210351718 A CN202210351718 A CN 202210351718A CN 114535525 B CN114535525 B CN 114535525B
- Authority
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- China
- Prior art keywords
- slag
- converter
- equal
- desulfurization
- sulfur
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- 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.)
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- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 91
- 239000011593 sulfur Substances 0.000 title claims abstract description 87
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 229910000565 Non-oriented electrical steel Inorganic materials 0.000 title claims abstract description 27
- 239000002893 slag Substances 0.000 claims abstract description 98
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 86
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 64
- 230000023556 desulfurization Effects 0.000 claims abstract description 64
- 238000001816 cooling Methods 0.000 claims abstract description 58
- 238000010079 rubber tapping Methods 0.000 claims abstract description 50
- 229910052742 iron Inorganic materials 0.000 claims abstract description 45
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 238000003723 Smelting Methods 0.000 claims abstract description 38
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 37
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000009489 vacuum treatment Methods 0.000 claims abstract description 24
- 238000009749 continuous casting Methods 0.000 claims abstract description 20
- 238000005275 alloying Methods 0.000 claims description 26
- 238000005261 decarburization Methods 0.000 claims description 17
- 239000000498 cooling water Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 238000005303 weighing Methods 0.000 claims description 15
- 229910000514 dolomite Inorganic materials 0.000 claims description 14
- 239000010459 dolomite Substances 0.000 claims description 14
- 239000008188 pellet Substances 0.000 claims description 14
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 13
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 239000000378 calcium silicate Substances 0.000 claims description 13
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 13
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 13
- 239000004571 lime Substances 0.000 claims description 13
- 229910045601 alloy Inorganic materials 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 238000005266 casting Methods 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 8
- DHNUAKOQUGJUGA-UHFFFAOYSA-N silicon;sulfane Chemical compound [Si].S DHNUAKOQUGJUGA-UHFFFAOYSA-N 0.000 claims description 8
- 239000011572 manganese Substances 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 6
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 6
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 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
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 241001062472 Stokellia anisodon Species 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 229910004261 CaF 2 Inorganic materials 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- JNVCSEDACVAATK-UHFFFAOYSA-L [Ca+2].[S-]SSS[S-] Chemical compound [Ca+2].[S-]SSS[S-] JNVCSEDACVAATK-UHFFFAOYSA-L 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000002699 waste material Substances 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
- 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
- C21C7/0645—Agents used for dephosphorising or desulfurising
-
- 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
-
- 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
- B22D11/114—Treating the molten metal by using agitating or vibrating means
- B22D11/115—Treating the molten metal by using agitating or vibrating means by using magnetic fields
-
- 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
- B22D11/16—Controlling or regulating processes or operations
- B22D11/18—Controlling or regulating processes or operations for pouring
- B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
- B22D11/182—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level by measuring temperature
-
- 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
- B22D11/16—Controlling or regulating processes or operations
- B22D11/20—Controlling or regulating processes or operations for removing cast stock
-
- 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
- B22D11/16—Controlling or regulating processes or operations
- B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
- B22D11/225—Controlling or regulating processes or operations for cooling cast stock or mould for secondary cooling
-
- 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
- C21C1/025—Agents used for dephosphorising or 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
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
- C22C33/06—Making ferrous alloys by melting using master alloys
-
- 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)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Continuous Casting (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210351718.XA CN114535525B (zh) | 2022-04-02 | 2022-04-02 | 一种超低硫无取向电工钢及生产方法 |
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---|---|---|---|
CN202210351718.XA CN114535525B (zh) | 2022-04-02 | 2022-04-02 | 一种超低硫无取向电工钢及生产方法 |
Publications (2)
Publication Number | Publication Date |
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CN114535525A CN114535525A (zh) | 2022-05-27 |
CN114535525B true CN114535525B (zh) | 2023-09-05 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115652195B (zh) * | 2022-09-30 | 2024-06-18 | 山东钢铁集团日照有限公司 | 一种冷轧电工钢的冶炼方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1521731A (en) * | 1975-07-17 | 1978-08-16 | Gen Electric | Silicon-iron sheet materials and their processing |
JP2004149823A (ja) * | 2002-10-29 | 2004-05-27 | Sumitomo Metal Ind Ltd | 無方向性電磁鋼板の製造方法 |
CN108570597A (zh) * | 2018-05-15 | 2018-09-25 | 六安市微特电机有限责任公司 | 一种电机用硅钢及其铸轧钢带的夹杂物析出控制工艺 |
CN110055375A (zh) * | 2019-04-23 | 2019-07-26 | 南京钢铁股份有限公司 | 一种超低碳超低硫钢冶炼工艺 |
CN112921148A (zh) * | 2021-01-21 | 2021-06-08 | 江苏省沙钢钢铁研究院有限公司 | 一种超低硫硅钢冶炼工艺方法 |
CN113106321A (zh) * | 2021-03-16 | 2021-07-13 | 首钢集团有限公司 | 一种新型含硅超低碳钢的生产制造方法 |
-
2022
- 2022-04-02 CN CN202210351718.XA patent/CN114535525B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1521731A (en) * | 1975-07-17 | 1978-08-16 | Gen Electric | Silicon-iron sheet materials and their processing |
JP2004149823A (ja) * | 2002-10-29 | 2004-05-27 | Sumitomo Metal Ind Ltd | 無方向性電磁鋼板の製造方法 |
CN108570597A (zh) * | 2018-05-15 | 2018-09-25 | 六安市微特电机有限责任公司 | 一种电机用硅钢及其铸轧钢带的夹杂物析出控制工艺 |
CN110055375A (zh) * | 2019-04-23 | 2019-07-26 | 南京钢铁股份有限公司 | 一种超低碳超低硫钢冶炼工艺 |
CN112921148A (zh) * | 2021-01-21 | 2021-06-08 | 江苏省沙钢钢铁研究院有限公司 | 一种超低硫硅钢冶炼工艺方法 |
CN113106321A (zh) * | 2021-03-16 | 2021-07-13 | 首钢集团有限公司 | 一种新型含硅超低碳钢的生产制造方法 |
Non-Patent Citations (1)
Title |
---|
无取向电工钢50W250冶炼与生产实践;马鹏;赖朝彬;邹锦忠;陈登国;官平平;;山西冶金(第05期);56-59 * |
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Address after: Shagang science and technology building, Yongxin Road, Jinfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: INSTITUTE OF RESEARCH OF IRON & STEEL,SHAGANG,JIANGSU PROVINCE Country or region after: China Patentee after: Jiangsu Shagang Steel Co.,Ltd. Patentee after: JIANGSU SHAGANG GROUP Co.,Ltd. Address before: Shagang science and technology building, Yongxin Road, Jinfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: INSTITUTE OF RESEARCH OF IRON & STEEL,SHAGANG,JIANGSU PROVINCE Country or region before: China Patentee before: ZHANGJIAGANG HONGCHANG STEEL PLATE Co.,Ltd. Patentee before: JIANGSU SHAGANG GROUP Co.,Ltd. |
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