KR101969106B1 - 부산물 처리 방법 - Google Patents
부산물 처리 방법 Download PDFInfo
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- KR101969106B1 KR101969106B1 KR1020170109153A KR20170109153A KR101969106B1 KR 101969106 B1 KR101969106 B1 KR 101969106B1 KR 1020170109153 A KR1020170109153 A KR 1020170109153A KR 20170109153 A KR20170109153 A KR 20170109153A KR 101969106 B1 KR101969106 B1 KR 101969106B1
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- 238000000034 method Methods 0.000 title claims abstract description 60
- 239000010802 sludge Substances 0.000 title description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 160
- 239000011701 zinc Substances 0.000 claims abstract description 91
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 89
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 239000006227 byproduct Substances 0.000 claims abstract description 83
- 229910052742 iron Inorganic materials 0.000 claims abstract description 54
- 239000002245 particle Substances 0.000 claims abstract description 53
- 239000000047 product Substances 0.000 claims abstract description 45
- 239000002253 acid Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 229910001868 water Inorganic materials 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 17
- 238000009628 steelmaking Methods 0.000 claims description 9
- 238000000498 ball milling Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 13
- 238000011084 recovery Methods 0.000 abstract description 10
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 238000007885 magnetic separation Methods 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 238000000926 separation method Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 239000006148 magnetic separator Substances 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000002270 dispersing agent Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000004626 scanning electron microscopy Methods 0.000 description 2
- 238000010187 selection method Methods 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 229940024464 emollients and protectives zinc product Drugs 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/005—Separation by a physical processing technique only, e.g. by mechanical breaking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B15/00—Other processes for the manufacture of iron from iron compounds
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/30—Obtaining zinc or zinc oxide from metallic residues or scraps
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2200/00—Recycling of non-gaseous waste material
-
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
따라서, 본 발명의 실시형태에 의하면, 이후 자력 선별 과정에서 효과적으로 철(Fe)과 아연을 분리 할 수 있다. 다른 말로 하면, 종래에 비해 자성산물에 함유된 아연 함량을 줄이고, 철 함량을 증가시킬 수 있고, 비자성산물에 함유된 아연 함량을 증가킬 수 있다. 즉, 함철 부산물로부터 아연 제거율 및 철 회수율을 향상시킬 수 있다.
Description
도 2는 본 발명의 실시예에 따른 부산물 처리 장치를 블록화하여 도시한 도면
도 3a는 제철 부산물의 SEM 분석 이미지이고, 도 3b, 3c는 EPMA(Electron Probe Micro-Analyzer) 분석 이미지
구분 | C 함량(wt%) | 철(T-Fe) 함량(wt%) | Zn 함량(wt%) | 고형분 함량(wt%) |
혼합물 | 35.7 | 15.8 | 10.8 | 0.8 |
제 1 산물 내 철 함량(wt%) | 제 1 산물 내 아연 함량(wt%) | 제 2 산물 내 아연 함량(wt%) | 제 2 산물 내 카본 함량(wt%) | |
비교예 | 32.6 | 3.2 | 24.6 | 21.5 |
실시예 | 59.9 | 0.8 | 34.7 | 72.2 |
30: 혼합기 40: 마모 장치
50: 제 2 자력 선별기
Claims (8)
- 제철 조업에서 발생되며, 철(Fe)을 함유하는 부산물을 준비하는 과정;
상기 부산물을 구성하는 입자 표면을 마모시켜, 상기 부산물 중 철(Fe) 입자 표면으로부터 아연을 분리하는 과정; 및
상기 철(Fe) 입자 표면으로부터 아연이 분리된 부산물에 자장을 인가하여, 상대적으로 철의 함량이 많은 자성산물과, 상대적으로 아연의 함량이 많은 비자성산물로 분리하는 자력 선별 과정;
을 포함하고,
상기 부산물 중 철(Fe) 입자 표면으로부터 아연을 분리하는 과정에 있어서, 볼을 회전시키는 볼밀(ball mill) 방법을 이용하며,
상기 볼의 회전에 의한 상기 철(Fe) 입자 표면과 상기 볼 간의 마찰에 의해, 상기 철(Fe) 입자 표면으로부터 아연이 분리되는 부산물 처리 방법. - 삭제
- 청구항 1에 있어서,
상기 볼밀(ball mill) 방법으로 상기 부산물 중 철(Fe) 입자 표면으로부터 아연을 분리하는 과정에 있어서,
상기 볼의 입경은 3mm 내지 5mm인 부산물 처리 방법. - 청구항 1에 있어서,
상기 볼밀(ball mill) 방법으로 상기 부산물 중 철(Fe) 입자 표면으로부터 아연을 분리하는 과정에 있어서,
상기 볼 및 부산물이 장입되는 용기 내 임펠러의 회전 속도를 50 rpm 내지 200 rpm로 조절하는 부산물 처리 방법. - 청구항 1에 있어서,
상기 자력 선별 과정에 있어서, 상기 부산물에 1000 가우스 내지 2000 가우스의 자력을 인가하는 부산물 처리 방법. - 청구항 1, 청구항 3 내지 청구항 5 중 어느 한 항에 있어서,
제철 조업에서 발생되며, 철(Fe)을 함유하는 부산물을 준비하는 과정에 있어서, 상기 제철 조업에서 발생된 배가스에 물을 살수하여, 상기 부산물을 포집하는 부산물 처리 방법. - 청구항 6에 있어서,
상기 물과 부산물이 혼합된 혼합물에 자장을 인가하여, 물과 부산물을 분리하는 자력 선별 과정을 포함하는 부산물 처리 방법. - 청구항 7에 있어서,
상기 물과 부산물이 혼합된 혼합물에 자장을 인가하여, 물과 부산물을 분리하는 자력 선별 과정에 있어서, 상기 혼합물에 10,000 가우스 내지 20,000 가우스 의 자력을 인가하는 부산물 처리 방법.
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KR1020170109153A KR101969106B1 (ko) | 2017-08-29 | 2017-08-29 | 부산물 처리 방법 |
CN201810014632.1A CN109423560A (zh) | 2017-08-29 | 2018-01-08 | 副产物处理方法 |
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KR101622280B1 (ko) * | 2014-12-04 | 2016-05-18 | 주식회사 포스코 | 부산물 처리방법 |
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KR100423440B1 (ko) | 1999-12-28 | 2004-03-19 | 주식회사 포스코 | 제강슬래그중 철분의 분리방법 |
CN101191150B (zh) * | 2007-05-29 | 2011-02-09 | 六盘水四维三友工贸有限公司 | 高炉瓦斯泥的综合利用方法及加工用的燃烧炉 |
CN101624637A (zh) * | 2009-08-13 | 2010-01-13 | 首钢总公司 | 一种钢铁冶金尘泥集中分类处理系统及其方法 |
KR101359970B1 (ko) * | 2011-12-20 | 2014-02-12 | 주식회사 포스코 | 페로니켈 슬래그의 재활용 방법 |
CN102614979B (zh) * | 2012-03-29 | 2014-04-23 | 中南大学 | 一种从湿法炼锌工艺中多级磁选回收铁的方法 |
CN104028384B (zh) * | 2014-06-04 | 2016-08-17 | 孙伟 | 一种处理高炉烟尘并回收铁锌的方法 |
CN105063254B (zh) * | 2015-07-16 | 2017-05-03 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种分离高炉瓦斯泥中铁锌碳的方法 |
CN206256139U (zh) * | 2016-11-24 | 2017-06-16 | 江苏省冶金设计院有限公司 | 处理锌浸出渣的系统 |
CN106702171B (zh) * | 2017-02-07 | 2018-05-15 | 山东大正节能环保科技有限公司 | 一种高炉除尘灰提炼锌的工艺 |
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