CN116586576B - 一种连铸大圆坯低碳钢保护渣及其制备方法 - Google Patents
一种连铸大圆坯低碳钢保护渣及其制备方法 Download PDFInfo
- Publication number
- CN116586576B CN116586576B CN202310861653.8A CN202310861653A CN116586576B CN 116586576 B CN116586576 B CN 116586576B CN 202310861653 A CN202310861653 A CN 202310861653A CN 116586576 B CN116586576 B CN 116586576B
- Authority
- CN
- China
- Prior art keywords
- continuous casting
- carbon steel
- round billet
- billet low
- covering slag
- 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.)
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Links
- 238000009749 continuous casting Methods 0.000 title claims abstract description 96
- 239000002893 slag Substances 0.000 title claims abstract description 96
- 229910001209 Low-carbon steel Inorganic materials 0.000 title claims abstract description 89
- 238000002360 preparation method Methods 0.000 title abstract description 13
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 53
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000005266 casting Methods 0.000 claims abstract description 46
- 239000000843 powder Substances 0.000 claims abstract description 36
- 239000011230 binding agent Substances 0.000 claims abstract description 35
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 31
- 239000010439 graphite Substances 0.000 claims abstract description 26
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 26
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 22
- 229910001570 bauxite Inorganic materials 0.000 claims abstract description 13
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims abstract description 13
- 239000006229 carbon black Substances 0.000 claims abstract description 13
- 239000010436 fluorite Substances 0.000 claims abstract description 13
- 239000011656 manganese carbonate Substances 0.000 claims abstract description 13
- 235000006748 manganese carbonate Nutrition 0.000 claims abstract description 13
- 229940093474 manganese carbonate Drugs 0.000 claims abstract description 13
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 claims abstract description 13
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 claims abstract description 13
- 239000010456 wollastonite Substances 0.000 claims abstract description 13
- 229910052882 wollastonite Inorganic materials 0.000 claims abstract description 13
- 239000002689 soil Substances 0.000 claims abstract description 12
- 235000019738 Limestone Nutrition 0.000 claims abstract description 11
- 229910001610 cryolite Inorganic materials 0.000 claims abstract description 11
- 239000006028 limestone Substances 0.000 claims abstract description 11
- 150000001447 alkali salts Chemical class 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims description 36
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 239000011268 mixed slurry Substances 0.000 claims description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 22
- 238000007873 sieving Methods 0.000 claims description 22
- 230000004907 flux Effects 0.000 claims description 21
- 239000000292 calcium oxide Substances 0.000 claims description 19
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 19
- 229910052731 fluorine Inorganic materials 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 17
- 238000005469 granulation Methods 0.000 claims description 14
- 230000003179 granulation Effects 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 11
- 230000008018 melting Effects 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 10
- 239000011734 sodium Substances 0.000 claims description 10
- 229910052708 sodium Inorganic materials 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 10
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 9
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 9
- 239000008188 pellet Substances 0.000 claims description 9
- 235000012239 silicon dioxide Nutrition 0.000 claims description 9
- 229920001353 Dextrin Polymers 0.000 claims description 2
- 239000004375 Dextrin Substances 0.000 claims description 2
- 229920000881 Modified starch Polymers 0.000 claims description 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000019425 dextrin Nutrition 0.000 claims description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 2
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 12
- 238000003723 Smelting Methods 0.000 abstract description 4
- 238000004040 coloring Methods 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 17
- 229910000831 Steel Inorganic materials 0.000 description 16
- 239000010959 steel Substances 0.000 description 16
- 238000003756 stirring Methods 0.000 description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 238000012360 testing method Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 8
- 239000011737 fluorine Substances 0.000 description 8
- 230000005484 gravity Effects 0.000 description 8
- 238000005086 pumping Methods 0.000 description 8
- 239000002002 slurry Substances 0.000 description 8
- 235000017550 sodium carbonate Nutrition 0.000 description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 description 8
- 238000004448 titration Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000012797 qualification Methods 0.000 description 4
- 229910001208 Crucible steel Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 239000001095 magnesium carbonate Substances 0.000 description 3
- 235000014380 magnesium carbonate Nutrition 0.000 description 3
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 3
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 3
- 239000012257 stirred material Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- 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
-
- 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)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
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CN202310861653.8A CN116586576B (zh) | 2023-07-14 | 2023-07-14 | 一种连铸大圆坯低碳钢保护渣及其制备方法 |
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CN202310861653.8A CN116586576B (zh) | 2023-07-14 | 2023-07-14 | 一种连铸大圆坯低碳钢保护渣及其制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN116586576A CN116586576A (zh) | 2023-08-15 |
CN116586576B true CN116586576B (zh) | 2023-10-10 |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE798947A (fr) * | 1972-05-01 | 1973-08-16 | Foseco Trading Ag | Additifs pour moules et lingotieres |
KR20020015572A (ko) * | 2000-08-22 | 2002-02-28 | 정성만 | 덱스트린 수용액을 이용한 몰드플럭스 제조방법 |
RU2214888C2 (ru) * | 2001-12-25 | 2003-10-27 | Открытое акционерное общество "Новолипецкий металлургический комбинат" | Шлакообразующая смесь |
CN101658907A (zh) * | 2009-09-16 | 2010-03-03 | 河南通宇冶材集团有限公司 | 一种大断面圆坯钢坯连铸结晶器保护渣及其制备方法 |
WO2013139269A1 (zh) * | 2012-03-22 | 2013-09-26 | 宝山钢铁股份有限公司 | 一种低碳钢用无氟连铸保护渣 |
CN103817302A (zh) * | 2014-02-27 | 2014-05-28 | 西峡龙成冶金材料有限公司 | 一种大圆坯耐磨高锰钢用连铸结晶器保护渣 |
CN107931551A (zh) * | 2017-12-27 | 2018-04-20 | 河南通宇冶材集团有限公司 | 一种大方坯中低碳钢保护渣及其制备方法 |
CN111069543A (zh) * | 2019-12-23 | 2020-04-28 | 山东钢铁股份有限公司 | 一种低碳碱性钢水保温覆盖剂及其制备方法 |
CN113714477A (zh) * | 2021-09-09 | 2021-11-30 | 张家口汇德冶金材料有限公司 | 一种含钛不锈钢的低碳保护渣的配方及生产工艺 |
-
2023
- 2023-07-14 CN CN202310861653.8A patent/CN116586576B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE798947A (fr) * | 1972-05-01 | 1973-08-16 | Foseco Trading Ag | Additifs pour moules et lingotieres |
KR20020015572A (ko) * | 2000-08-22 | 2002-02-28 | 정성만 | 덱스트린 수용액을 이용한 몰드플럭스 제조방법 |
RU2214888C2 (ru) * | 2001-12-25 | 2003-10-27 | Открытое акционерное общество "Новолипецкий металлургический комбинат" | Шлакообразующая смесь |
CN101658907A (zh) * | 2009-09-16 | 2010-03-03 | 河南通宇冶材集团有限公司 | 一种大断面圆坯钢坯连铸结晶器保护渣及其制备方法 |
WO2013139269A1 (zh) * | 2012-03-22 | 2013-09-26 | 宝山钢铁股份有限公司 | 一种低碳钢用无氟连铸保护渣 |
CN103817302A (zh) * | 2014-02-27 | 2014-05-28 | 西峡龙成冶金材料有限公司 | 一种大圆坯耐磨高锰钢用连铸结晶器保护渣 |
CN107931551A (zh) * | 2017-12-27 | 2018-04-20 | 河南通宇冶材集团有限公司 | 一种大方坯中低碳钢保护渣及其制备方法 |
CN111069543A (zh) * | 2019-12-23 | 2020-04-28 | 山东钢铁股份有限公司 | 一种低碳碱性钢水保温覆盖剂及其制备方法 |
CN113714477A (zh) * | 2021-09-09 | 2021-11-30 | 张家口汇德冶金材料有限公司 | 一种含钛不锈钢的低碳保护渣的配方及生产工艺 |
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CN116586576A (zh) | 2023-08-15 |
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Inventor after: Xi Yujun Inventor after: Fu Daili Inventor after: Zhang Wei Inventor after: Zhang Mowen Inventor after: Ma Kai Inventor before: Xi Yujun Inventor before: Fu Daili Inventor before: Zhang Wei Inventor before: Zhang Mowen Inventor before: Ma Kai |
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CB03 | Change of inventor or designer information | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A continuous casting large round billet low carbon steel protective slag and its preparation method Granted publication date: 20231010 Pledgee: Agricultural Bank of China Co.,Ltd. Zhangjiakou Xuanhua Sub branch Pledgor: ZHANGJIAKOU HUIDE METALLURGICAL MATERIALS Co.,Ltd. Registration number: Y2024980035176 |
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