JP6328942B2 - 磁石粉砕装置 - Google Patents
磁石粉砕装置 Download PDFInfo
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- JP6328942B2 JP6328942B2 JP2014010255A JP2014010255A JP6328942B2 JP 6328942 B2 JP6328942 B2 JP 6328942B2 JP 2014010255 A JP2014010255 A JP 2014010255A JP 2014010255 A JP2014010255 A JP 2014010255A JP 6328942 B2 JP6328942 B2 JP 6328942B2
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- magnet
- argon
- gas
- magnet powder
- exhaust gas
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 144
- 239000007789 gas Substances 0.000 claims description 84
- 229910052786 argon Inorganic materials 0.000 claims description 72
- 239000000843 powder Substances 0.000 claims description 46
- 238000010298 pulverizing process Methods 0.000 claims description 32
- 239000002994 raw material Substances 0.000 claims description 16
- 238000000746 purification Methods 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 13
- 238000004868 gas analysis Methods 0.000 claims description 12
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 7
- 150000002910 rare earth metals Chemical class 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000006247 magnetic powder Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Description
Claims (5)
- 密閉状態の粉砕処理室内で希土類の磁石原料を粉砕して磁石粉末を生成する磁石原料粉砕手段と、前記粉砕処理室内に新規のアルゴンガスを導入するアルゴンガス導入手段と、前記粉砕処理室から排出される排ガス中の磁石粉末を、旋回による遠心力で旋回流の外周側に移動させて、磁石で捕捉して排ガス中から磁石粉末を分離する磁石粉末分離手段と、該磁石粉末分離手段で磁石粉末を分離した後の排ガスの成分を分析するガス分析手段と、該ガス分析手段で分析したアルゴン成分の濃度があらかじめ設定されたアルゴン濃度以上のときに、前記排ガスを前記粉砕処理室内に導入するアルゴンガス循環手段と、前記磁石粉末分離手段と前記ガス分析手段との間に、排ガス中のアルゴンガスを精製してアルゴン純度を高めるためのアルゴン精製手段とを備えていることを特徴とする磁石粉砕装置。
- 前記磁石粉末分離手段は、通電時に前記磁石粉末を磁着して排ガス中から分離する電磁石を備えていることを特徴とする請求項1記載の磁石粉砕装置。
- 前記粉砕処理室と前記磁石粉末分離手段との間に、粉砕処理室から排出される排ガスを貯留するバッファタンクを備えていることを特徴とする請求項1又は2記載の磁石粉砕装置。
- 前記磁石粉末分離手段と前記アルゴン精製手段との間に、磁石粉末を分離した後の排ガスを貯留するバッファタンクを備えていることを特徴とする請求項1乃至3のいずれか1項記載の磁石粉砕装置。
- 前記アルゴン精製手段と前記アルゴンガス循環手段との間に、精製したアルゴンガスを貯留するバッファタンクを備えていることを特徴とする請求項1乃至4のいずれか1項記載の磁石粉砕装置。
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JP2014010255A JP6328942B2 (ja) | 2014-01-23 | 2014-01-23 | 磁石粉砕装置 |
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JP2014010255A JP6328942B2 (ja) | 2014-01-23 | 2014-01-23 | 磁石粉砕装置 |
Publications (2)
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JP2015137400A JP2015137400A (ja) | 2015-07-30 |
JP6328942B2 true JP6328942B2 (ja) | 2018-05-23 |
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JP2014010255A Active JP6328942B2 (ja) | 2014-01-23 | 2014-01-23 | 磁石粉砕装置 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101693519B1 (ko) * | 2015-08-11 | 2017-01-06 | 주식회사 포스코 | MnBi 영구자석 제조 방법 |
EP3486070B8 (en) * | 2017-11-15 | 2023-04-12 | Concept Laser GmbH | Method for additively manufacturing of three-dimensional objects |
CN109225541B (zh) * | 2018-10-17 | 2020-11-06 | 淮北中易光电科技有限公司 | 一种五金废材料处理装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH02265613A (ja) * | 1989-04-03 | 1990-10-30 | Toto Ltd | 高勾配磁気分離装置 |
JPH06340903A (ja) * | 1993-02-24 | 1994-12-13 | Hitachi Metals Ltd | 希土類系永久磁石原料粉末の製造方法 |
JP2005021835A (ja) * | 2003-07-04 | 2005-01-27 | Takahashi:Kk | 磁性粒体回収装置 |
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