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Multi-station ball milling mechanism for neodymium iron boron waste recovery and implementation method thereof

A waste recycling, NdFeB technology, applied in grain processing and other directions, can solve the problems of low pulverization degree, poor pulverization quality, affecting work efficiency, etc., and achieve the effect of obvious pulverizing effect, improving pulverizing quality, and improving resource utilization rate.

Active Publication Date: 2020-12-11
BAOTOU INST MAGNETIC NEW MATERIALS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current ball mill is crushed by its internal grinding medium and its own rotating impact force, the degree of crushing is low, and the NdFeB waste has a certain degree of magnetism. During the crushing process, it will be adsorbed on the inner wall of the ball mill, resulting in partial crushing. Poor quality, also affects work efficiency

Method used

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  • Multi-station ball milling mechanism for neodymium iron boron waste recovery and implementation method thereof
  • Multi-station ball milling mechanism for neodymium iron boron waste recovery and implementation method thereof
  • Multi-station ball milling mechanism for neodymium iron boron waste recovery and implementation method thereof

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Embodiment 1

[0037] refer to Figure 1-3 , a multi-station ball milling mechanism for NdFeB waste recycling, comprising a main body 1 and a support mechanism 2, the upper end of the support mechanism 2 is provided with a main body 1, the main body 1 includes a main cylinder 11, a power mechanism 12 and a feeding Mechanism 13, one end of the main cylinder 11 is fixedly equipped with a power mechanism 12, the other end of the main cylinder 11 is provided with a feeding mechanism 13, the lower end of the main cylinder 11 is provided with a support mechanism 2, and the support mechanism 2 includes a connecting rod 21 and Riser 22, the two ends of connecting rod 21 are all fixedly installed with riser 22, and riser 22 is connected with power mechanism 12 and feeding mechanism 13.

Embodiment 2

[0039] refer to figure 2 , 4 , 5, 8 and 10, the main cylinder 11 includes a control panel 111, a rotary groove 112, a movable rod 113, an extrusion mechanism 114, a triangular groove 115 and a protective wall 116, and the control panel 111 is fixedly installed on the outer surface of the main cylinder 11 Above, the outer surface of the main cylinder 11 is provided with a turning groove 112, and the inside of the turning groove 112 is provided with a movable rod 113, and the movable rod 113 is movably connected with the turning groove 112, and the inside of the main cylinder 11 is provided with an extrusion mechanism 114 , the inner wall of the main cylinder 11 is provided with a triangular groove 115, and the protective wall 116 is arranged on the inner wall of the main cylinder 11. The main cylinder 11 also includes a crushing degree module 117, a heater 118, a temperature sensing module 119, a liquid level The sensing module 11A and the speed sensing module 11B, the crushi...

Embodiment 3

[0041] refer to Figure 4 The power mechanism 12 includes an electromechanical box 121, a mounting plate 122 and a rotating shaft 123. One side of the mounting plate 122 is provided with an electromechanical box 121, and the other side of the mounting plate 122 is provided with a rotating shaft 123. One end of the rotating shaft 123 passes through the mounting plate 122 and the rotating shaft 123. The output end of the internal motor of the electromechanical box 121 is connected, the other end of the rotating shaft 123 is connected with the main cylinder 11, the feeding mechanism 13 includes a connecting flange 131 and a feeding pipe 132, and one side of the connecting flange 131 is provided with a feeding The pipe 132 , the feeding pipe 132 passes through the connecting flange 131 and communicates with the main cylinder 11 .

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Abstract

The invention discloses a multi-station ball-milling mechanism for neodymium iron boron waste recovery, and aims to solve the problem that an existing ball mill crushes neodymium iron boron waste through a grinding medium in the ball mill and self-rotating impact force, the crushing degree is relatively low, the neodymium iron boron waste has certain magnetism and can be attracted to the inner wall of the ball mill in the crushing process, therefore, part of the crushing quality is poor, and the working efficiency is influenced. Electric current is introduced into an N-pole electromagnetic block and an S-pole electromagnetic block to enable the N-pole electromagnetic block and the S-pole electromagnetic block to have two opposite magnetism; materials between the N-pole electromagnetic block and the S-pole electromagnetic block can be slowly extruded and crushed along with the mutual attraction of the N-pole electromagnetic block and the S-pole electromagnetic block, and then the temperature in a main cylinder block is increased through a heater and a temperature sensing module; and when the temperature rises, the magnetism of the neodymium iron boron can be eliminated.

Description

technical field [0001] The invention relates to the technical field of recycling waste materials, in particular to a multi-station ball mill mechanism for recycling NdFeB waste materials and an implementation method thereof. Background technique [0002] Neodymium magnets, also known as NdFeB magnets, are tetragonal crystals formed of neodymium, iron, and boron. The magnetic energy product of this magnet is greater than that of samarium-cobalt magnets, and it was the material with the largest magnetic energy product in the world at that time. General Motors successfully developed The spin spray smelting method can prepare NdFeB magnets, which are permanent magnets second only to absolute zero holmium magnets, and are also the most commonly used rare earth magnets. NdFeB magnets are widely used in electronic products, such as Hard drives, mobile phones, earphones, and battery-powered tools, etc., when recycling NdFeB waste, ball mills are used. Ball mills are key equipment fo...

Claims

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Application Information

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IPC IPC(8): B02C17/10B02C17/18B02C17/22B02C25/00
CPCB02C17/10B02C17/18B02C17/1805B02C17/1815B02C17/225B02C25/00
Inventor 邱芳
Owner BAOTOU INST MAGNETIC NEW MATERIALS CO LTD
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