CN111370219A - 一种钕铁硼废旧磁钢全循环回收利用生产新永磁体的制备工艺 - Google Patents
一种钕铁硼废旧磁钢全循环回收利用生产新永磁体的制备工艺 Download PDFInfo
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- CN111370219A CN111370219A CN202010319767.6A CN202010319767A CN111370219A CN 111370219 A CN111370219 A CN 111370219A CN 202010319767 A CN202010319767 A CN 202010319767A CN 111370219 A CN111370219 A CN 111370219A
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- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 26
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000001257 hydrogen Substances 0.000 claims abstract description 50
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 50
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- 238000009768 microwave sintering Methods 0.000 claims abstract description 4
- 239000011812 mixed powder Substances 0.000 claims abstract description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 68
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 40
- 238000001816 cooling Methods 0.000 claims description 35
- 229910052786 argon Inorganic materials 0.000 claims description 34
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- 229910052757 nitrogen Inorganic materials 0.000 claims description 20
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- 230000005347 demagnetization Effects 0.000 claims description 16
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- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 6
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0576—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together pressed, e.g. hot working
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
- H01F13/006—Methods and devices for demagnetising of magnetic bodies, e.g. workpieces, sheet material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0266—Moulding; Pressing
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
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CN202010319767.6A CN111370219B (zh) | 2020-04-22 | 2020-04-22 | 一种钕铁硼废旧磁钢全循环回收利用生产新永磁体的制备工艺 |
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CN202010319767.6A CN111370219B (zh) | 2020-04-22 | 2020-04-22 | 一种钕铁硼废旧磁钢全循环回收利用生产新永磁体的制备工艺 |
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CN111370219A true CN111370219A (zh) | 2020-07-03 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111653406A (zh) * | 2020-06-29 | 2020-09-11 | 福建省长汀金龙稀土有限公司 | 永磁材料超细粉和成型废料的回收利用方法及其产品 |
CN114686746A (zh) * | 2022-04-27 | 2022-07-01 | 江苏晨朗电子集团有限公司 | 一种镀镍烧结钕铁硼废料的回收利用方法 |
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CN102211192A (zh) * | 2011-06-09 | 2011-10-12 | 天津一阳磁性材料有限责任公司 | 二次回收料制备高性能钕铁硼的方法 |
CN103805826A (zh) * | 2014-01-16 | 2014-05-21 | 宁波金科磁业有限公司 | NdFeB铁基复相材料烧结工艺 |
CN104439256A (zh) * | 2014-11-24 | 2015-03-25 | 湖南航天磁电有限责任公司 | 一种烧结钕铁硼氧化毛坯的回收再利用方法 |
US20160086704A1 (en) * | 2013-09-24 | 2016-03-24 | Lg Electronics Inc. | Method of manufacturing anisotropic hot-deformed magnet using hot-deformation process and hot-deformed magnet manufactured thereby |
CN105921736A (zh) * | 2016-04-27 | 2016-09-07 | 中铝广西有色金源稀土有限公司 | 一种钕铁硼超细粉的回收方法 |
CN106910615A (zh) * | 2017-02-28 | 2017-06-30 | 京磁材料科技股份有限公司 | 耐腐蚀钕铁硼磁体的制备方法 |
CN107077935A (zh) * | 2014-12-08 | 2017-08-18 | Lg电子株式会社 | 包含非磁性合金的热压变形的磁体及其制造方法 |
CN108470616A (zh) * | 2018-03-14 | 2018-08-31 | 华南理工大学 | 一种利用钕铁硼固体废料制备Nd2Fe14B/α-Fe纳米复合磁粉的方法 |
CN110504077A (zh) * | 2019-07-19 | 2019-11-26 | 宁波可可磁业股份有限公司 | 一种钕铁硼永磁材料及其制备方法 |
-
2020
- 2020-04-22 CN CN202010319767.6A patent/CN111370219B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102211192A (zh) * | 2011-06-09 | 2011-10-12 | 天津一阳磁性材料有限责任公司 | 二次回收料制备高性能钕铁硼的方法 |
US20160086704A1 (en) * | 2013-09-24 | 2016-03-24 | Lg Electronics Inc. | Method of manufacturing anisotropic hot-deformed magnet using hot-deformation process and hot-deformed magnet manufactured thereby |
CN103805826A (zh) * | 2014-01-16 | 2014-05-21 | 宁波金科磁业有限公司 | NdFeB铁基复相材料烧结工艺 |
CN104439256A (zh) * | 2014-11-24 | 2015-03-25 | 湖南航天磁电有限责任公司 | 一种烧结钕铁硼氧化毛坯的回收再利用方法 |
CN107077935A (zh) * | 2014-12-08 | 2017-08-18 | Lg电子株式会社 | 包含非磁性合金的热压变形的磁体及其制造方法 |
CN105921736A (zh) * | 2016-04-27 | 2016-09-07 | 中铝广西有色金源稀土有限公司 | 一种钕铁硼超细粉的回收方法 |
CN106910615A (zh) * | 2017-02-28 | 2017-06-30 | 京磁材料科技股份有限公司 | 耐腐蚀钕铁硼磁体的制备方法 |
CN108470616A (zh) * | 2018-03-14 | 2018-08-31 | 华南理工大学 | 一种利用钕铁硼固体废料制备Nd2Fe14B/α-Fe纳米复合磁粉的方法 |
CN110504077A (zh) * | 2019-07-19 | 2019-11-26 | 宁波可可磁业股份有限公司 | 一种钕铁硼永磁材料及其制备方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111653406A (zh) * | 2020-06-29 | 2020-09-11 | 福建省长汀金龙稀土有限公司 | 永磁材料超细粉和成型废料的回收利用方法及其产品 |
CN114686746A (zh) * | 2022-04-27 | 2022-07-01 | 江苏晨朗电子集团有限公司 | 一种镀镍烧结钕铁硼废料的回收利用方法 |
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