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Method and equipment for processing NdFeB rare earth permanent magnetic alloy with hydrogen pulveriz 发明申请

2023-11-27 4240 233K 0

专利信息

申请日期 2025-06-26 申请号 US14708460
公开(公告)号 US20150243417A1 公开(公告)日 2015-08-27
公开国别 US 申请人省市代码 全国
申请人 SHENYANG GENERAL MAGNETIC CO LTD
简介 A method and an equipment for processing NdFeB rare earth permanent magnetic alloy with a hydrogen pulverization are provided. The method includes steps of : providing a continuous hydrogen pulverization equipment; while driving by a transmission device, passing a charging box loaded with rare earth permanent magnetic alloy flakes orderly through a hydrogen absorption chamber, having a temperature of 50-350° C. for absorbing hydrogen, a heating and dehydrogenizing chamber, having a temperature of 600-900° C. for dehydrogenating, and a cooling chamber of the continuous hydrogen pulverization equipment; receiving the charging box by a discharging chamber through a discharging valve; pouring out the alloy flakes after the hydrogen pulverization into a storage tank at a lower part of the discharging chamber; sealing up the storage tank under a protection of nitrogen; and, moving the charging box out through a discharging door of the discharging chamber and re-loading, for repeating the previous steps.


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