CN113073168B - 一种低磷钢转炉快速冶炼方法 - Google Patents
一种低磷钢转炉快速冶炼方法 Download PDFInfo
- Publication number
- CN113073168B CN113073168B CN202110243347.9A CN202110243347A CN113073168B CN 113073168 B CN113073168 B CN 113073168B CN 202110243347 A CN202110243347 A CN 202110243347A CN 113073168 B CN113073168 B CN 113073168B
- Authority
- CN
- China
- Prior art keywords
- slag
- steel
- converter
- smelting
- ladle
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 94
- 239000010959 steel Substances 0.000 title claims abstract description 94
- 238000003723 Smelting Methods 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 64
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 53
- 239000011574 phosphorus Substances 0.000 title claims abstract description 47
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 60
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 60
- 239000001301 oxygen Substances 0.000 claims abstract description 60
- 238000007664 blowing Methods 0.000 claims abstract description 40
- 238000007670 refining Methods 0.000 claims abstract description 35
- 239000002893 slag Substances 0.000 claims description 109
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 74
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 64
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 35
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 34
- 238000010079 rubber tapping Methods 0.000 claims description 29
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 23
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 23
- 239000004571 lime Substances 0.000 claims description 23
- 229910004261 CaF 2 Inorganic materials 0.000 claims description 21
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 21
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 19
- 229910052786 argon Inorganic materials 0.000 claims description 17
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 16
- 239000010436 fluorite Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000010459 dolomite Substances 0.000 claims description 8
- 229910000514 dolomite Inorganic materials 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 description 31
- 238000005275 alloying Methods 0.000 description 7
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000033764 rhythmic process Effects 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- DPTATFGPDCLUTF-UHFFFAOYSA-N phosphanylidyneiron Chemical compound [Fe]#P DPTATFGPDCLUTF-UHFFFAOYSA-N 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004904 shortening Methods 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
-
- 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
- C21C5/35—Blowing from above and through the bath
-
- 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
-
- 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
-
- 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)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110243347.9A CN113073168B (zh) | 2021-03-05 | 2021-03-05 | 一种低磷钢转炉快速冶炼方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110243347.9A CN113073168B (zh) | 2021-03-05 | 2021-03-05 | 一种低磷钢转炉快速冶炼方法 |
Publications (2)
Publication Number | Publication Date |
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CN113073168A CN113073168A (zh) | 2021-07-06 |
CN113073168B true CN113073168B (zh) | 2022-09-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202110243347.9A Active CN113073168B (zh) | 2021-03-05 | 2021-03-05 | 一种低磷钢转炉快速冶炼方法 |
Country Status (1)
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CN (1) | CN113073168B (zh) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102965463B (zh) * | 2012-11-21 | 2014-05-28 | 首钢总公司 | 一种转炉高效脱磷的工艺 |
CN103243192A (zh) * | 2013-05-14 | 2013-08-14 | 北京科技大学 | 一种较低碱度脱磷渣快速高效脱磷的转炉冶炼方法 |
CN103352101B (zh) * | 2013-06-21 | 2015-07-22 | 江苏省沙钢钢铁研究院有限公司 | 一种转炉低成本冶炼工艺 |
CN105886694B (zh) * | 2016-07-04 | 2017-12-26 | 湖南华菱湘潭钢铁有限公司 | 一种超低磷模铸钢的冶炼方法 |
CN110468248A (zh) * | 2019-09-02 | 2019-11-19 | 湖南华菱湘潭钢铁有限公司 | 一种转炉炉后脱磷的方法 |
CN112126736A (zh) * | 2020-09-15 | 2020-12-25 | 中天钢铁集团有限公司 | 一种缩短品种钢转炉供氧时间的方法 |
-
2021
- 2021-03-05 CN CN202110243347.9A patent/CN113073168B/zh active Active
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TR01 | Transfer of patent right |
Effective date of registration: 20240308 Address after: 213000 No. 1 Zhongwu Avenue, Changzhou City, Jiangsu Province Patentee after: Zenith Steel Group Co.,Ltd. Country or region after: China Patentee after: Changzhou Zhongtian Special Steel Co.,Ltd. Patentee after: Zhongtian Iron and Steel Group (Huai'an) New Materials Co.,Ltd. Address before: 213000 No. 1 Zhongwu Avenue, Changzhou City, Jiangsu Province Patentee before: Zenith Steel Group Co.,Ltd. Country or region before: China Patentee before: Changzhou Zhongtian Special Steel Co.,Ltd. |
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