KR102655019B1 - 불순물 제거 방법 - Google Patents
불순물 제거 방법 Download PDFInfo
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- KR102655019B1 KR102655019B1 KR1020210158982A KR20210158982A KR102655019B1 KR 102655019 B1 KR102655019 B1 KR 102655019B1 KR 1020210158982 A KR1020210158982 A KR 1020210158982A KR 20210158982 A KR20210158982 A KR 20210158982A KR 102655019 B1 KR102655019 B1 KR 102655019B1
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- 239000012535 impurity Substances 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims abstract description 95
- 229910052751 metal Inorganic materials 0.000 claims abstract description 128
- 239000002184 metal Substances 0.000 claims abstract description 124
- 229910000765 intermetallic Inorganic materials 0.000 claims abstract description 56
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 54
- 238000003756 stirring Methods 0.000 claims abstract description 46
- 238000002156 mixing Methods 0.000 claims abstract description 28
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 26
- 229910000861 Mg alloy Inorganic materials 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims description 35
- 229910052749 magnesium Inorganic materials 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 239000011777 magnesium Substances 0.000 description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 27
- 238000004064 recycling Methods 0.000 description 14
- 239000011572 manganese Substances 0.000 description 11
- 239000011651 chromium Substances 0.000 description 9
- 239000010936 titanium Substances 0.000 description 9
- 229910018134 Al-Mg Inorganic materials 0.000 description 8
- 229910018467 Al—Mg Inorganic materials 0.000 description 8
- 229910052804 chromium Inorganic materials 0.000 description 8
- 238000003113 dilution method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 229910052748 manganese Inorganic materials 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 229910052719 titanium Inorganic materials 0.000 description 8
- 229910052720 vanadium Inorganic materials 0.000 description 8
- 229910052726 zirconium Inorganic materials 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000007790 solid phase Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- AHLIZUWPYRQFHY-UHFFFAOYSA-N 5-chloro-4-(4-methylphenyl)-1h-imidazole-2-carbonitrile Chemical compound C1=CC(C)=CC=C1C1=C(Cl)N=C(C#N)N1 AHLIZUWPYRQFHY-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004993 emission spectroscopy Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910002551 Fe-Mn Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
- C22B21/00—Obtaining aluminium
- C22B21/0038—Obtaining aluminium by other processes
- C22B21/0053—Obtaining aluminium by other processes from other aluminium compounds
- C22B21/0061—Obtaining aluminium by other processes from other aluminium compounds using metals, e.g. Hg or Mn
-
- 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
- C22B21/00—Obtaining aluminium
- C22B21/0084—Obtaining aluminium melting and handling molten aluminium
- C22B21/0092—Remelting scrap, skimmings or any secondary source aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
[해결수단] 본 발명의 일 태양에 따른 불순물 제거 방법은, 알루미늄 또는 알루미늄 합금과 불순물을 포함하는 용탕에, Mg 또는 Mg 합금을 혼합하는 공정과, 상기 혼합 공정 후의 용탕을 교반하는 공정을 구비하고, 상기 교반 공정에서, 상기 용탕에 온도 구배를 줌으로써, 상기 용탕으로부터 금속간 화합물을 분리한다.
Description
[도 2] 도 2는, 도 1의 불순물 제거 방법의 교반 공정을 설명하기 위한 모식도이다.
[도 3] 도 3은, 실시예의 불순물 제거 방법을 실시하는 장치를 나타내는 모식도이다.
[도 4] 도 4는, No. 3의 고상 부분의 단면 화상이다.
11 수랭 구리 도가니
A 합금
H 고온 영역
I 금속간 화합물
L 저온 영역
L1 액상
L2 고액 공존상
S 고상
X 용탕
Claims (10)
- 알루미늄 또는 알루미늄 합금과 불순물을 포함하는 용탕에, Mg 또는 Mg 합금을 혼합하는 공정과,
상기 혼합 공정 후의 용탕을 교반하는 공정
을 구비하고,
상기 교반 공정에서, 상기 용탕에 고온 영역(H)과, 고온 영역보다 온도가 낮은 저온 영역(L)이 형성되도록 온도 구배를 주고, 상기 용탕을 교반함으로써 고온 영역(H)에 포함되는 상기 불순물을 저온 영역(L)측으로 보내고, 저온 영역(L)에서 상기 불순물을 함유하는 금속간 화합물을 정출시킴으로써, 상기 용탕으로부터 금속간 화합물을 분리하는, 불순물 제거 방법. - 제 1 항에 있어서,
상기 혼합 공정 후의 상기 용탕에 있어서의 Mg의 함유량이 5질량% 이상인, 불순물 제거 방법. - 제 1 항에 있어서,
상기 불순물이 Fe를 포함하고,
상기 금속간 화합물이 알루미늄 및 Fe를 함유하는, 불순물 제거 방법. - 제 1 항에 있어서,
상기 불순물이 Si를 포함하고,
상기 금속간 화합물이 Mg 및 Si를 함유하는, 불순물 제거 방법. - 제 1 항에 있어서,
상기 교반 공정에서, 용탕에 온도 구배를 주기 위해, 상기 용탕을 부분적으로 냉각하는, 불순물 제거 방법. - 제 5 항에 있어서,
상기 교반 공정에서, 상기 용탕에 냉각 부재를 접촉시키는, 불순물 제거 방법. - 제 6 항에 있어서,
상기 냉각 부재의 표면에 상기 금속간 화합물을 정출시키는, 불순물 제거 방법. - 제 5 항에 있어서,
상기 용탕의 냉각 온도가 640℃ 이하인, 불순물 제거 방법. - 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,
상기 교반 공정에서, 용탕에 온도 구배를 주기 위해, 상기 용탕을 부분적으로 가열하는, 불순물 제거 방법. - 삭제
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020195395A JP7423495B2 (ja) | 2020-11-25 | 2020-11-25 | 不純物除去方法 |
| JPJP-P-2020-195395 | 2020-11-25 |
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| Publication Number | Publication Date |
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| KR20220072763A KR20220072763A (ko) | 2022-06-02 |
| KR102655019B1 true KR102655019B1 (ko) | 2024-04-04 |
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| KR1020210158982A Active KR102655019B1 (ko) | 2020-11-25 | 2021-11-18 | 불순물 제거 방법 |
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| JP (1) | JP7423495B2 (ko) |
| KR (1) | KR102655019B1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20240072227A (ko) * | 2021-11-04 | 2024-05-23 | 가부시키가이샤 고베 세이코쇼 | 불순물 제거 방법, 알루미늄계 합금의 제조 방법 및 알루미늄계 합금재의 제조 방법 |
| WO2024100852A1 (ja) * | 2022-11-10 | 2024-05-16 | 株式会社大紀アルミニウム工業所 | アルミニウム合金の製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2019183265A (ja) * | 2018-04-09 | 2019-10-24 | 株式会社神戸製鋼所 | 不純物除去方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05295460A (ja) * | 1992-04-17 | 1993-11-09 | Nippon Light Metal Co Ltd | アルミニウム精製方法及び装置 |
| JP3329013B2 (ja) | 1993-09-02 | 2002-09-30 | 日本軽金属株式会社 | Al−Si系アルミニウムスクラップの連続精製方法及び装置 |
| JP2636162B2 (ja) | 1994-02-02 | 1997-07-30 | 工業技術院長 | アルミニウム合金材の脱鉄法 |
| KR20160078789A (ko) * | 2014-12-24 | 2016-07-05 | 재단법인 포항산업과학연구원 | 알루미늄 합금 주조품 및 이의 제조방법 |
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| JP2019183265A (ja) * | 2018-04-09 | 2019-10-24 | 株式会社神戸製鋼所 | 不純物除去方法 |
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| Publication number | Publication date |
|---|---|
| JP2022083833A (ja) | 2022-06-06 |
| KR20220072763A (ko) | 2022-06-02 |
| JP7423495B2 (ja) | 2024-01-29 |
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