UA128009C2 - Спосіб рафінування розплавленого залізного сплаву - Google Patents
Спосіб рафінування розплавленого залізного сплаву Download PDFInfo
- Publication number
- UA128009C2 UA128009C2 UAA202105664A UAA202105664A UA128009C2 UA 128009 C2 UA128009 C2 UA 128009C2 UA A202105664 A UAA202105664 A UA A202105664A UA A202105664 A UAA202105664 A UA A202105664A UA 128009 C2 UA128009 C2 UA 128009C2
- Authority
- UA
- Ukraine
- Prior art keywords
- slag
- molten iron
- iron alloy
- furnace
- refining
- Prior art date
Links
- 229910000640 Fe alloy Inorganic materials 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000007670 refining Methods 0.000 title claims abstract description 32
- 238000007664 blowing Methods 0.000 claims abstract description 51
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000001301 oxygen Substances 0.000 claims abstract description 22
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 197
- 239000002893 slag Substances 0.000 claims description 138
- 229910052742 iron Inorganic materials 0.000 claims description 99
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 239000010703 silicon Substances 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000007795 chemical reaction product Substances 0.000 claims description 7
- 208000002874 Acne Vulgaris Diseases 0.000 claims 1
- NJFMNPFATSYWHB-UHFFFAOYSA-N ac1l9hgr Chemical compound [Fe].[Fe] NJFMNPFATSYWHB-UHFFFAOYSA-N 0.000 claims 1
- 206010000496 acne Diseases 0.000 claims 1
- 235000021015 bananas Nutrition 0.000 claims 1
- 238000005262 decarbonization Methods 0.000 claims 1
- 210000001015 abdomen Anatomy 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 14
- 238000005261 decarburization Methods 0.000 description 13
- 238000010926 purge Methods 0.000 description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 10
- 230000007423 decrease Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000002407 reforming Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 239000011449 brick Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000030609 dephosphorylation Effects 0.000 description 3
- 238000006209 dephosphorylation reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- ODKSFYDXXFIFQN-BYPYZUCNSA-N L-arginine Chemical compound OC(=O)[C@@H](N)CCCN=C(N)N ODKSFYDXXFIFQN-BYPYZUCNSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer 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
- 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
- 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
- C21C5/32—Blowing from above
-
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5264—Manufacture of alloyed steels including ferro-alloys
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/54—Processes yielding slags of special composition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
-
- 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
- C21C2250/00—Specific additives; Means for adding material different from burners or lances
- C21C2250/06—Hollow electrode
-
- 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
- C21C2300/00—Process aspects
- C21C2300/08—Particular sequence of the process steps
-
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/48—Bottoms or tuyéres of converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2019/015737 WO2020208768A1 (ja) | 2019-04-11 | 2019-04-11 | 効率の高い溶融鉄合金の精錬方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UA128009C2 true UA128009C2 (uk) | 2024-03-06 |
Family
ID=72751161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| UAA202105664A UA128009C2 (uk) | 2019-04-11 | 2019-04-11 | Спосіб рафінування розплавленого залізного сплаву |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3954787B1 (ko) |
| JP (1) | JP7158570B2 (ko) |
| KR (1) | KR102483106B1 (ko) |
| CN (1) | CN113631729B (ko) |
| UA (1) | UA128009C2 (ko) |
| WO (1) | WO2020208768A1 (ko) |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6117409Y2 (ko) * | 1978-12-27 | 1986-05-28 | ||
| JPH0791574B2 (ja) * | 1992-09-29 | 1995-10-04 | 川崎重工業株式会社 | 溶融精錬炉の原料投入方法および装置 |
| ATA121393A (de) * | 1993-06-21 | 1998-07-15 | Voest Alpine Ind Anlagen | Konverter und verfahren zur herstellung von stahl |
| JPH09227918A (ja) * | 1996-02-20 | 1997-09-02 | Nippon Steel Corp | ステンレス鋼溶製方法 |
| JP3717625B2 (ja) * | 1997-02-05 | 2005-11-16 | 日新製鋼株式会社 | 電気アーク炉スラグの還元方法 |
| JP3332010B2 (ja) * | 1998-06-18 | 2002-10-07 | 日本鋼管株式会社 | 低燐溶銑の製造方法 |
| JP2002371311A (ja) * | 2001-04-13 | 2002-12-26 | Osaka Koukai Kk | 溶湯の脱燐法とそれに用いられる低温滓化性脱燐剤およびその製造法 |
| JP4388482B2 (ja) | 2005-01-18 | 2009-12-24 | 新日本製鐵株式会社 | スラグの処理方法 |
| CN101165196B (zh) * | 2006-10-19 | 2010-12-08 | 中国恩菲工程技术有限公司 | 一种采用氧气底吹炉连续炼铜的工艺及其装置 |
| JP2008266669A (ja) * | 2007-04-16 | 2008-11-06 | Jfe Steel Kk | 竪型炉内の溶融物レベル計測方法及び計測装置 |
| CN103370426B (zh) * | 2011-02-10 | 2014-10-15 | 新日铁住金株式会社 | 铁液的脱硅和脱磷方法 |
| JP5720497B2 (ja) * | 2011-08-25 | 2015-05-20 | Ｊｆｅスチール株式会社 | 製鋼スラグからの鉄及び燐の回収方法 |
| CN103408013B (zh) * | 2013-08-03 | 2015-06-24 | 石家庄新华能源环保科技股份有限公司 | 一种氧电结合电石炉 |
| JP6164151B2 (ja) * | 2014-05-14 | 2017-07-19 | Ｊｆｅスチール株式会社 | 転炉型精錬炉による溶鉄の精錬方法 |
| JP6413710B2 (ja) * | 2014-12-02 | 2018-10-31 | 新日鐵住金株式会社 | 直流アーク式電気炉による高純度鋼の製造方法 |
| CA3046587A1 (en) * | 2016-12-16 | 2018-06-21 | Nippon Steel Corporation | Electric furnace |
| CN109097651B (zh) * | 2018-08-09 | 2019-06-28 | 徐州宏阳新材料科技有限公司 | 一种低磷高碳铬铁及其冶炼方法 |
| CN109097522B (zh) * | 2018-09-30 | 2020-04-10 | 武钢集团昆明钢铁股份有限公司 | 一种中高锰高磷低硅铁水提高终点钢水残锰的转炉冶炼方法 |
-
2019
- 2019-04-11 JP JP2021513108A patent/JP7158570B2/ja active Active
- 2019-04-11 CN CN201980094720.XA patent/CN113631729B/zh active Active
- 2019-04-11 UA UAA202105664A patent/UA128009C2/uk unknown
- 2019-04-11 WO PCT/JP2019/015737 patent/WO2020208768A1/ja unknown
- 2019-04-11 KR KR1020217029972A patent/KR102483106B1/ko active IP Right Grant
- 2019-04-11 EP EP19924226.4A patent/EP3954787B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR20210127986A (ko) | 2021-10-25 |
| CN113631729A (zh) | 2021-11-09 |
| JP7158570B2 (ja) | 2022-10-21 |
| EP3954787A4 (en) | 2022-11-30 |
| KR102483106B1 (ko) | 2023-01-02 |
| CN113631729B (zh) | 2022-09-20 |
| JPWO2020208768A1 (ko) | 2020-10-15 |
| EP3954787B1 (en) | 2024-08-14 |
| EP3954787A1 (en) | 2022-02-16 |
| WO2020208768A1 (ja) | 2020-10-15 |
| EP3954787C0 (en) | 2024-08-14 |
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