CN111004886A - 一种降低铁水单耗的冶炼方法 - Google Patents
一种降低铁水单耗的冶炼方法 Download PDFInfo
- Publication number
- CN111004886A CN111004886A CN201911163904.5A CN201911163904A CN111004886A CN 111004886 A CN111004886 A CN 111004886A CN 201911163904 A CN201911163904 A CN 201911163904A CN 111004886 A CN111004886 A CN 111004886A
- Authority
- CN
- China
- Prior art keywords
- smelting
- oxygen
- refining
- converter
- molten iron
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims abstract description 133
- 238000003723 Smelting Methods 0.000 title claims abstract description 96
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 70
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 121
- 239000001301 oxygen Substances 0.000 claims abstract description 121
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 121
- 230000008569 process Effects 0.000 claims abstract description 94
- 238000007664 blowing Methods 0.000 claims abstract description 92
- 238000007670 refining Methods 0.000 claims abstract description 76
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 75
- 239000010959 steel Substances 0.000 claims abstract description 75
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 72
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910052786 argon Inorganic materials 0.000 claims abstract description 36
- 239000002893 slag Substances 0.000 claims abstract description 32
- 238000005266 casting Methods 0.000 claims abstract description 29
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 29
- 238000009749 continuous casting Methods 0.000 claims abstract description 28
- 238000010079 rubber tapping Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000004048 modification Effects 0.000 claims abstract description 13
- 238000012986 modification Methods 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 7
- 238000007872 degassing Methods 0.000 claims abstract description 6
- 239000003607 modifier Substances 0.000 claims description 20
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 5
- 239000004571 lime Substances 0.000 claims description 5
- 238000010926 purge Methods 0.000 claims 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 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052593 corundum Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims 1
- 230000003749 cleanliness Effects 0.000 abstract description 10
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- CSJDCSCTVDEHRN-UHFFFAOYSA-N methane;molecular oxygen Chemical compound C.O=O CSJDCSCTVDEHRN-UHFFFAOYSA-N 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000007306 turnover 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
- C21C5/30—Regulating or controlling the blowing
- C21C5/34—Blowing through the bath
-
- 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
- B22D11/116—Refining the metal
- B22D11/117—Refining the metal by treating with gases
-
- 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
-
- 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
- C21C7/072—Treatment with gases
-
- 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
-
- 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)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
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CN201911163904.5A CN111004886B (zh) | 2019-11-25 | 2019-11-25 | 一种降低铁水单耗的冶炼方法 |
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CN201911163904.5A CN111004886B (zh) | 2019-11-25 | 2019-11-25 | 一种降低铁水单耗的冶炼方法 |
Publications (2)
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CN111004886A true CN111004886A (zh) | 2020-04-14 |
CN111004886B CN111004886B (zh) | 2021-09-24 |
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CN201911163904.5A Active CN111004886B (zh) | 2019-11-25 | 2019-11-25 | 一种降低铁水单耗的冶炼方法 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112981250A (zh) * | 2021-02-04 | 2021-06-18 | 湖南华菱涟源钢铁有限公司 | 低铁水单耗下的低碳低钛含铌钢薄板坯边角裂的控制方法 |
CN113927003A (zh) * | 2021-10-18 | 2022-01-14 | 攀钢集团攀枝花钢钒有限公司 | 减少连铸过程中间包钢水增氮的方法 |
CN114231685A (zh) * | 2021-12-03 | 2022-03-25 | 山东莱钢永锋钢铁有限公司 | 一种提高转炉的冷料比且降低铁水消耗的方法 |
CN114892067A (zh) * | 2022-05-23 | 2022-08-12 | 宝武集团鄂城钢铁有限公司 | 一种精确控制高强螺纹钢化学成分的生产方法和高强螺纹钢 |
CN115433800A (zh) * | 2021-10-08 | 2022-12-06 | 武汉山诚环保科技有限公司 | 一种炉外精炼工艺及其应用 |
Citations (9)
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RU1272708C (ru) * | 1984-11-22 | 1994-12-30 | АО "НЭП УралНИИчермет" | Шлак для производства стали и сплавов |
CN103451349A (zh) * | 2013-08-16 | 2013-12-18 | 河北钢铁股份有限公司邯郸分公司 | 一种防止超低碳铝脱氧钢水浇铸过程水口堵塞的控制方法 |
CN104004877A (zh) * | 2014-06-06 | 2014-08-27 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种降低转炉终点碳氧积的方法 |
CN104404197A (zh) * | 2014-12-04 | 2015-03-11 | 北京首钢股份有限公司 | 降低炼钢环节钢水氮的方法 |
CN105349734A (zh) * | 2015-12-08 | 2016-02-24 | 钢城集团凉山瑞海实业有限公司 | 利用钢包铸余渣尾渣制备高铝调渣剂球团及其制法和用途 |
CN106119464A (zh) * | 2016-08-23 | 2016-11-16 | 唐山不锈钢有限责任公司 | 一种转炉带氧出钢的脱磷方法 |
CN106636534A (zh) * | 2016-11-25 | 2017-05-10 | 北京首钢股份有限公司 | 控制汽车板钢包顶渣钙铝比1.2‑1.8的方法 |
CN107326148A (zh) * | 2017-06-09 | 2017-11-07 | 首钢京唐钢铁联合有限责任公司 | 一种半钢脱磷的方法 |
CN109457076A (zh) * | 2018-10-23 | 2019-03-12 | 湖南华菱涟源钢铁有限公司 | 一种钢水氮含量的控制方法 |
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RU1272708C (ru) * | 1984-11-22 | 1994-12-30 | АО "НЭП УралНИИчермет" | Шлак для производства стали и сплавов |
CN103451349A (zh) * | 2013-08-16 | 2013-12-18 | 河北钢铁股份有限公司邯郸分公司 | 一种防止超低碳铝脱氧钢水浇铸过程水口堵塞的控制方法 |
CN104004877A (zh) * | 2014-06-06 | 2014-08-27 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种降低转炉终点碳氧积的方法 |
CN104404197A (zh) * | 2014-12-04 | 2015-03-11 | 北京首钢股份有限公司 | 降低炼钢环节钢水氮的方法 |
CN105349734A (zh) * | 2015-12-08 | 2016-02-24 | 钢城集团凉山瑞海实业有限公司 | 利用钢包铸余渣尾渣制备高铝调渣剂球团及其制法和用途 |
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CN109457076A (zh) * | 2018-10-23 | 2019-03-12 | 湖南华菱涟源钢铁有限公司 | 一种钢水氮含量的控制方法 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112981250A (zh) * | 2021-02-04 | 2021-06-18 | 湖南华菱涟源钢铁有限公司 | 低铁水单耗下的低碳低钛含铌钢薄板坯边角裂的控制方法 |
CN115433800A (zh) * | 2021-10-08 | 2022-12-06 | 武汉山诚环保科技有限公司 | 一种炉外精炼工艺及其应用 |
CN113927003A (zh) * | 2021-10-18 | 2022-01-14 | 攀钢集团攀枝花钢钒有限公司 | 减少连铸过程中间包钢水增氮的方法 |
CN114231685A (zh) * | 2021-12-03 | 2022-03-25 | 山东莱钢永锋钢铁有限公司 | 一种提高转炉的冷料比且降低铁水消耗的方法 |
CN114892067A (zh) * | 2022-05-23 | 2022-08-12 | 宝武集团鄂城钢铁有限公司 | 一种精确控制高强螺纹钢化学成分的生产方法和高强螺纹钢 |
CN114892067B (zh) * | 2022-05-23 | 2023-03-10 | 宝武集团鄂城钢铁有限公司 | 一种精确控制高强螺纹钢化学成分的生产方法和高强螺纹钢 |
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Effective date of registration: 20210531 Address after: 417000 Shuangling building, no.1005, Gangui Road, Huangnitang, Louxing District, Loudi City, Hunan Province Applicant after: Hunan Valin Lianyuan Iron & Steel Co., Ltd. Applicant after: Hunan Hualing LIANGANG special new material Co.,Ltd. Address before: 417000 Shuangling building, no.1005, Gangui Road, Huangnitang, Louxing District, Loudi City, Hunan Province Applicant before: Hunan Valin Lianyuan Iron & Steel Co., Ltd. Applicant before: HUNAN HUALING LIANGANG STEEL SHEET Co.,Ltd. |
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