CN102211192B - 二次回收料制备高性能钕铁硼的方法 - Google Patents
二次回收料制备高性能钕铁硼的方法 Download PDFInfo
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- CN102211192B CN102211192B CN 201110154466 CN201110154466A CN102211192B CN 102211192 B CN102211192 B CN 102211192B CN 201110154466 CN201110154466 CN 201110154466 CN 201110154466 A CN201110154466 A CN 201110154466A CN 102211192 B CN102211192 B CN 102211192B
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- iron boron
- neodymium iron
- minute
- secondary recovery
- tempering
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- 239000000463 material Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 41
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 37
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000005245 sintering Methods 0.000 claims abstract description 23
- 239000002994 raw material Substances 0.000 claims abstract description 22
- 239000001257 hydrogen Substances 0.000 claims abstract description 21
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 21
- 238000005496 tempering Methods 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 238000003801 milling Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 claims abstract description 3
- 238000011084 recovery Methods 0.000 claims description 26
- 239000000843 powder Substances 0.000 claims description 24
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 9
- 239000003963 antioxidant agent Substances 0.000 claims description 8
- 230000003078 antioxidant effect Effects 0.000 claims description 8
- 235000006708 antioxidants Nutrition 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 7
- 238000009835 boiling Methods 0.000 claims description 6
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000011812 mixed powder Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 229910052779 Neodymium Inorganic materials 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 claims description 3
- 238000013467 fragmentation Methods 0.000 claims description 3
- 238000006062 fragmentation reaction Methods 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 239000010955 niobium Substances 0.000 claims description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 3
- 238000005554 pickling Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000007323 disproportionation reaction Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
- 239000002075 main ingredient Substances 0.000 abstract 1
- 238000007781 pre-processing Methods 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000006259 organic additive Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000521 B alloy Inorganic materials 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000009702 powder compression Methods 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Manufacturing Cores, Coils, And Magnets (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
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CN 201110154466 CN102211192B (zh) | 2011-06-09 | 2011-06-09 | 二次回收料制备高性能钕铁硼的方法 |
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CN 201110154466 CN102211192B (zh) | 2011-06-09 | 2011-06-09 | 二次回收料制备高性能钕铁硼的方法 |
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CN102211192A CN102211192A (zh) | 2011-10-12 |
CN102211192B true CN102211192B (zh) | 2012-12-26 |
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Cited By (2)
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CN104576021A (zh) * | 2014-11-26 | 2015-04-29 | 宁波宏垒磁业有限公司 | 一种烧结钕铁硼磁体的方法 |
CN104575904A (zh) * | 2014-11-26 | 2015-04-29 | 宁波宏垒磁业有限公司 | 一种由钕铁硼回收废料烧结而成的钕铁硼磁体及其制备方法 |
Families Citing this family (32)
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CN102719725B (zh) * | 2012-07-10 | 2014-02-26 | 宁波科田磁业有限公司 | 烧结钕铁硼废料再成型的方法 |
CN103000325B (zh) * | 2012-10-30 | 2015-11-18 | 宁波永久磁业有限公司 | 一种用于烧结钕铁硼材料的防氧化处理方法及其抗氧化剂 |
CN102956337B (zh) * | 2012-11-09 | 2016-05-25 | 厦门钨业股份有限公司 | 一种烧结Nd-Fe-B系磁铁的省却工序的制作方法 |
CN103887054B (zh) * | 2012-12-19 | 2016-03-30 | 中磁科技股份有限公司 | 大尺寸钕铁硼磁钢制备方法 |
CN103317135B (zh) * | 2013-06-14 | 2015-07-08 | 宁波华辉磁业有限公司 | 钕铁硼的高温烧结工艺 |
WO2014205002A2 (en) | 2013-06-17 | 2014-12-24 | Miha Zakotnik | Magnet recycling to create nd-fe-b magnets with improved or restored magnetic performance |
CN103866127B (zh) * | 2014-02-27 | 2017-01-04 | 中铝广西有色金源稀土股份有限公司 | 一种利用含钕铁硼废料再生制备钕铁硼的方法 |
CN103934450B (zh) * | 2014-03-26 | 2015-08-12 | 辽宁五寰科技发展有限公司 | 烧结钕铁硼回收料的再利用方法 |
CN104036949A (zh) * | 2014-06-11 | 2014-09-10 | 北京工业大学 | 一种利用块状烧结钕铁硼加工废料制备高性能再生烧结钕铁硼磁体的方法 |
CN104036948A (zh) * | 2014-06-11 | 2014-09-10 | 北京工业大学 | 一种利用废旧永磁电机磁钢制备高性能再生烧结钕铁硼磁体的方法 |
CN104036946A (zh) * | 2014-06-11 | 2014-09-10 | 北京工业大学 | 一种利用废旧永磁电机磁钢制备高性能高矫顽力再生烧结钕铁硼磁体的方法 |
CN104190943B (zh) * | 2014-08-04 | 2016-04-06 | 中磁科技股份有限公司 | 一种烧结钕铁硼废料回收利用的方法 |
US9336932B1 (en) | 2014-08-15 | 2016-05-10 | Urban Mining Company | Grain boundary engineering |
CN104376943A (zh) * | 2014-11-21 | 2015-02-25 | 湖南航天磁电有限责任公司 | 一种烧结钕铁硼成型废料回收再利用方法 |
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 |
CN104576020A (zh) * | 2014-11-26 | 2015-04-29 | 宁波宏垒磁业有限公司 | 一种烧结钕铁硼磁体的方法 |
US9728310B2 (en) | 2015-03-08 | 2017-08-08 | Beijing University Of Technology | Short-process method for preparing sintered NdFeB magnets with high magnetic properties recycling from NdFeB sludge |
CN104690270B (zh) * | 2015-03-08 | 2016-11-09 | 北京工业大学 | 一种利用烧结钕铁硼油泥废料制备高性能烧结钕铁硼磁体的短流程方法 |
CN106141163A (zh) * | 2015-04-22 | 2016-11-23 | 浙江融创磁业有限公司 | 钕铁硼成型废料回收利用方法 |
CN106328364B (zh) * | 2015-06-15 | 2018-10-30 | 中国钢铁股份有限公司 | 以钕铁硼磁石废料制造钕铁硼磁石的方法 |
CN106399731B (zh) * | 2015-07-27 | 2019-10-25 | 三环瓦克华(北京)磁性器件有限公司 | 一种生产烧结钕铁硼的脱气方法 |
CN105177296A (zh) * | 2015-08-17 | 2015-12-23 | 青岛盛磁科技有限公司 | 钕铁硼料皮的回收再生方法 |
CN105234397A (zh) * | 2015-11-12 | 2016-01-13 | 苏州萨伯工业设计有限公司 | 在废旧磁钢中添加液相镝制备稀土永磁材料的方法 |
EP3408044A1 (en) | 2016-01-28 | 2018-12-05 | Urban Mining Company | Grain boundary engineering of sintered magnetic alloys and the compositions derived therefrom |
CN106001541B (zh) * | 2016-05-23 | 2018-03-13 | 北京工业大学 | 一种废旧hddr粘结钕铁硼永磁体的回收再利用方法 |
CN107363263B (zh) * | 2017-07-27 | 2019-04-02 | 赣州市钜磁科技有限公司 | 一种废旧钕铁硼的回收方法 |
CN110090964A (zh) * | 2018-01-28 | 2019-08-06 | 蒋盼盼 | 一种稀土钕铁硼镀层废品回收再利用的方法 |
CN110181064B (zh) * | 2019-05-23 | 2022-04-01 | 晋城鸿刃科技有限公司 | WC-Co预烧回收料的压模方法 |
CN111370219B (zh) * | 2020-04-22 | 2021-07-20 | 安徽吉华新材料有限公司 | 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 |
CN114592150B (zh) * | 2020-12-02 | 2024-09-03 | 王静然 | 用于合金磁体的原料组合物、合金磁体及制备方法 |
CN113223800A (zh) * | 2021-04-28 | 2021-08-06 | 慈溪市兴发磁业科技有限公司 | 一种低成本钕铁硼永磁体及其制备方法 |
CN114429858B (zh) * | 2022-01-13 | 2024-07-09 | 宁波金轮磁材技术有限公司 | 一种烧结钕铁硼磁钢及其制备方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104576021A (zh) * | 2014-11-26 | 2015-04-29 | 宁波宏垒磁业有限公司 | 一种烧结钕铁硼磁体的方法 |
CN104575904A (zh) * | 2014-11-26 | 2015-04-29 | 宁波宏垒磁业有限公司 | 一种由钕铁硼回收废料烧结而成的钕铁硼磁体及其制备方法 |
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Date of cancellation: 20170607 Granted publication date: 20121226 Pledgee: Tianjin Jixian County town bank Limited by Share Ltd Pledgor: Tianjin Yang Magnetic Materials Co.,Ltd. Registration number: 2014990000558 Date of cancellation: 20170607 Granted publication date: 20121226 Pledgee: Tianjin Jixian County town bank Limited by Share Ltd Pledgor: Tianjin Yang Magnetic Materials Co.,Ltd. Registration number: 2014990000558 |
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Denomination of invention: Method for preparing high-performance neodymium iron boron by using secondary recycled materials Effective date of registration: 20170607 Granted publication date: 20121226 Pledgee: Jixian County Tianjin village and town bank, Limited by Share Ltd Pledgor: Tianjin Yang Magnetic Materials Co.,Ltd. Registration number: 2017990000466 Denomination of invention: Method for preparing high-performance neodymium iron boron by using secondary recycled materials Effective date of registration: 20170607 Granted publication date: 20121226 Pledgee: Jixian County Tianjin village and town bank, Limited by Share Ltd Pledgor: Tianjin Yang Magnetic Materials Co.,Ltd. Registration number: 2017990000466 |
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Granted publication date: 20121226 Termination date: 20190609 |