TWI544081B - 鐵水的精煉方法 - Google Patents
鐵水的精煉方法 Download PDFInfo
- Publication number
- TWI544081B TWI544081B TW102138986A TW102138986A TWI544081B TW I544081 B TWI544081 B TW I544081B TW 102138986 A TW102138986 A TW 102138986A TW 102138986 A TW102138986 A TW 102138986A TW I544081 B TWI544081 B TW I544081B
- Authority
- TW
- Taiwan
- Prior art keywords
- slag
- iron
- pretreatment
- molten
- refining furnace
- Prior art date
Links
- 238000007670 refining Methods 0.000 title claims description 304
- 238000000034 method Methods 0.000 title claims description 42
- 229910052751 metal Inorganic materials 0.000 title description 52
- 239000002184 metal Substances 0.000 title description 52
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 756
- 239000002893 slag Substances 0.000 claims description 459
- 229910052742 iron Inorganic materials 0.000 claims description 374
- 238000011282 treatment Methods 0.000 claims description 138
- 229910000831 Steel Inorganic materials 0.000 claims description 112
- 239000010959 steel Substances 0.000 claims description 112
- 238000005261 decarburization Methods 0.000 claims description 108
- 238000003860 storage Methods 0.000 claims description 68
- 229910052698 phosphorus Inorganic materials 0.000 claims description 54
- 239000011574 phosphorus Substances 0.000 claims description 54
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 28
- 238000004332 deodorization Methods 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 230000004907 flux Effects 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000005360 mashing Methods 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 35
- 239000003795 chemical substances by application Substances 0.000 description 23
- 235000012255 calcium oxide Nutrition 0.000 description 18
- 239000000292 calcium oxide Substances 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 17
- 239000006148 magnetic separator Substances 0.000 description 14
- 238000012546 transfer Methods 0.000 description 10
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000027832 depurination Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000007711 solidification Methods 0.000 description 7
- 230000008023 solidification Effects 0.000 description 7
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000007664 blowing Methods 0.000 description 5
- 230000009257 reactivity Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000005262 decarbonization Methods 0.000 description 4
- 239000010459 dolomite Substances 0.000 description 4
- 229910000514 dolomite Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 229910000420 cerium oxide Inorganic materials 0.000 description 2
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 238000009938 salting Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- GSGOIOUROSYBBB-UHFFFAOYSA-L [O-]P([O-])(O)=O.P.[Fe+2] Chemical compound [O-]P([O-])(O)=O.P.[Fe+2] GSGOIOUROSYBBB-UHFFFAOYSA-L 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000005115 demineralization Methods 0.000 description 1
- 230000002328 demineralizing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229910000484 niobium oxide Inorganic materials 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- DPTATFGPDCLUTF-UHFFFAOYSA-N phosphanylidyneiron Chemical compound [Fe]#P DPTATFGPDCLUTF-UHFFFAOYSA-N 0.000 description 1
- 229910001392 phosphorus oxide Inorganic materials 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- VSAISIQCTGDGPU-UHFFFAOYSA-N tetraphosphorus hexaoxide Chemical compound O1P(O2)OP3OP1OP2O3 VSAISIQCTGDGPU-UHFFFAOYSA-N 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/56—Manufacture of steel by other methods
- C21C5/562—Manufacture of steel by other methods starting from scrap
-
- 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)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012238606 | 2012-10-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201416456A TW201416456A (zh) | 2014-05-01 |
| TWI544081B true TWI544081B (zh) | 2016-08-01 |
Family
ID=50626883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW102138986A TWI544081B (zh) | 2012-10-30 | 2013-10-29 | 鐵水的精煉方法 |
Country Status (8)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017159840A1 (ja) * | 2016-03-17 | 2017-09-21 | 新日鐵住金株式会社 | 溶銑予備処理方法 |
| KR102234126B1 (ko) * | 2016-07-27 | 2021-04-01 | 닛폰세이테츠 가부시키가이샤 | 용강의 제조 방법 |
| WO2018038508A1 (ko) * | 2016-08-23 | 2018-03-01 | 현대제철 주식회사 | 전로에서의 용선 정련 방법 |
| CN107311182A (zh) * | 2017-06-30 | 2017-11-03 | 昆明理工大学 | 一种工业硅熔体炉外精炼提纯的设备及其方法 |
| JP7211557B2 (ja) * | 2021-01-26 | 2023-01-24 | Ｊｆｅスチール株式会社 | 溶鉄の精錬方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01147011A (ja) * | 1987-12-03 | 1989-06-08 | Sumitomo Metal Ind Ltd | 製鋼法 |
| JPH08143928A (ja) * | 1994-11-18 | 1996-06-04 | Nippon Steel Corp | 精錬スラグによるスクラップ予熱方法 |
| JP4065097B2 (ja) * | 1999-10-26 | 2008-03-19 | 新日本製鐵株式会社 | 転炉製鋼法 |
| JP4224910B2 (ja) * | 1999-12-15 | 2009-02-18 | Ｊｆｅスチール株式会社 | 溶銑脱炭処理時に生成する溶融スラグの熱間処理方法 |
| JP2004190101A (ja) * | 2002-12-12 | 2004-07-08 | Nippon Steel Corp | 溶銑の予備処理方法 |
| CN1273621C (zh) * | 2004-08-17 | 2006-09-06 | 西安建筑科技大学 | 炼钢炉渣梯级利用方法 |
| CN100451131C (zh) * | 2005-11-23 | 2009-01-14 | 上海宝钢冶金建设公司 | 冶金渣返炼钢生产利用工艺 |
-
2013
- 2013-10-25 KR KR1020157014168A patent/KR101680094B1/ko active Active
- 2013-10-25 IN IN602KON2015 patent/IN2015KN00602A/en unknown
- 2013-10-25 CN CN201380056566.XA patent/CN104769136B/zh active Active
- 2013-10-25 JP JP2014524188A patent/JP5807720B2/ja active Active
- 2013-10-25 WO PCT/JP2013/006331 patent/WO2014068933A1/ja active Application Filing
- 2013-10-25 BR BR112015008720-5A patent/BR112015008720B1/pt active IP Right Grant
- 2013-10-25 TR TR2015/04423T patent/TR201504423T1/tr unknown
- 2013-10-29 TW TW102138986A patent/TWI544081B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| KR101680094B1 (ko) | 2016-11-28 |
| BR112015008720B1 (pt) | 2020-02-11 |
| JPWO2014068933A1 (ja) | 2016-09-08 |
| KR20150076252A (ko) | 2015-07-06 |
| IN2015KN00602A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 2015-07-17 |
| TW201416456A (zh) | 2014-05-01 |
| BR112015008720A2 (pt) | 2017-07-04 |
| CN104769136B (zh) | 2017-05-17 |
| CN104769136A (zh) | 2015-07-08 |
| WO2014068933A1 (ja) | 2014-05-08 |
| JP5807720B2 (ja) | 2015-11-10 |
| TR201504423T1 (tr) | 2016-01-21 |
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