High-purity rare earth preparation device and preparation method
A preparation device and rare earth technology, which are applied to the preparation device and the preparation field of high-purity rare earth, can solve the problem that the rare earth metal purification process cannot be directly applied, and achieve the effect of improving production efficiency
Active Publication Date: 2020-04-10
包头市中鑫安泰磁业有限公司
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Problems solved by technology
However, the vacuum induction melting furnace is not smelted and purified under the protection of inert gas, so it cannot be directly applied to the purification process of rare earth metals
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[0055] Embodiments of the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only examples, rather than limiting the protection scope of the present invention.
[0056] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application shall have the usual meanings understood by those skilled in the art to which the present invention belongs.
[0057]In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial",...
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The invention belongs to the technical field of rare earth metal purification and provides a high-purity rare earth preparation device and preparation method. The preparation device comprises a furnace body, a charging system, a medium-frequency induction furnace, a vacuum pumping system and a gas charging system. The furnace body is provided with a charging chamber, a smelting chamber and a moldchamber from top to bottom in sequence. The top of the smelting chamber is provided with a charging port capable of being opened and closed. The medium-frequency induction furnace is arranged in the smelting chamber. A transfer chamber is arranged at the bottom of the smelting chamber. The top of the transfer chamber is provided with a sprue gate capable of being opened and closed. A supporting structure capable of maintaining molds in the transfer chamber is arranged in the transfer chamber. A lifting cylinder located under a mold taking and placing port is arranged at the bottom of the moldchamber. The free end of the lifting cylinder can extend upwards to pass through a through hole, jack up one mold and send the mold into the transfer chamber. Through arrangement of the transfer chamber, the high-purity rare earth preparation device can maintain an inert gas atmosphere in the smelting chamber all the time, thereby realizing continuous purification production of rare earth metal and improving the production efficiency.
Description
technical field [0001] The technical field of rare earth metal purification of the present invention, in particular relates to a high-purity rare earth preparation device and preparation method. Background technique [0002] The purity of rare earth metals and their compounds is one of the key factors affecting the performance of functional materials. Without raw materials of sufficient purity, it is impossible to prepare functional materials with excellent performance, such as high-performance rare earth permanent magnet materials, magnetostrictive materials, and magnetic refrigeration materials. , rare earth hydrogen storage materials, rare earth luminescent materials, etc. [0003] At present, vacuum extraction and purification are mainly used to purify rare earth metals, and the commonly used equipment is vacuum induction melting furnace. Most of the existing vacuum induction melting furnaces cannot achieve continuous production, and it is difficult to meet the needs of...
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IPC IPC(8): C22B59/00C22B9/10
CPCC22B59/00C22B9/10Y02P10/25
Inventor 李雪铭王贵才李鑫李剑英郭新杰于雅樵李瑞芳何鑫梅梁坡丰
Owner 包头市中鑫安泰磁业有限公司