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Ultrasonic high-gradient magnetic separation device

A magnetic separation device and ultrasonic technology, applied in the field of mining machinery, can solve the problems of low frequency of mechanical vibration, long distance between vibration source and magnetic medium, and less obvious effect, so as to improve the grade of concentrate, reduce gangue inclusion, prevent blocking effect

Inactive Publication Date: 2009-10-07
INNER MONGOLIA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These inventions apply pulsation to the pulp by designing the vibration mechanism, which can prevent the magnetic medium from clogging to a certain extent, but due to the low frequency of mechanical vibration, the vibration source is far away from the magnetic medium, so that the vibration can remove the gangue and improve the grade of the concentrate. less obvious

Method used

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  • Ultrasonic high-gradient magnetic separation device
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  • Ultrasonic high-gradient magnetic separation device

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Effect test

Embodiment 1

[0017] Refer to attached figure 1 , figure 2 , image 3 , The present invention includes feeding tank 1, electromagnet 2, magnetic separation tank 3, magnetic medium 4, ultrasonic transducer 5, bracket 6. The feed tank 1 is made of non-magnetic stainless steel and has a rectangular shape; the electromagnet 2 is a C-shaped electromagnet, which is fixed horizontally on the bracket 6, and its magnetic poles are made of iron-cobalt alloy, with a cross-sectional area of ​​10×20cm 2 , The pole spacing is 5cm. The magnetic separation tank 3 vertically passes through the pole gap of the electromagnet 2 and is made of non-magnetic stainless steel plate. The magnetic medium 4 is filled in the magnetic separation tank 3, which is a frame structure composed of silicon steel strips arranged vertically, see the attached Figure 4 , the silicon steel strips are arranged at equal intervals in the frame, the upper and lower ends are fixed with steel plates, and the frame structure occupie...

Embodiment 2

[0020] Refer to attached figure 1 , figure 2 , image 3 , The present invention includes feeding tank 1, electromagnet 2, magnetic separation tank 3, magnetic medium 4, ultrasonic transducer 5, bracket 6. The ore feeding tank 1 and the magnetic separation tank 3 are made of aluminum plate, with a rectangular shape; the electromagnet 2 is a C-shaped electromagnet, which is fixed horizontally on the bracket 6, and the magnetic pole is made of iron-nickel alloy, with a cross-sectional area of ​​10×15cm 2 , The pole spacing is 6cm. The magnetic medium 4 is filled in the magnetic separation tank 3, which is a frame structure composed of magnetic steel rods arranged horizontally, and the two ends of the steel rods are fixed with aluminum plates, see the attached Figure 5 , The volume occupied by the magnetic separation tank is 15%. The ultrasonic transducer 5 is a PZT piezoelectric ceramic transducer with a frequency of 45kHz and a power of 60W. Its radiation surface is fixed ...

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Abstract

The invention relates to an ultrasonic high-gradient magnetic separation device and pertains to the mining machinery field, which is characterized by comprising a feed chute, an eletromagnet, a magnetic separation tray, a magnetic medium, an ultrasonic transducer and a bracket. The eletromagnet is in the shape of C and arranged on the bracket horizontally; the magnetic separation tray vertically passes through the magnetic pole gap of the eletromagnet; the magnetic medium is contained in the magnetic separation tray; and the ultrasonic transducer is installed on the outer surface of the magnetic separation tray and connected with an ultrasonic generator. When in the operation of magnetic separation, the ultrasonic transducer radiates ultrasonic waves in the magnetic separation tray, and high-frequency mechanical vibration of the ore slurry is conducted, thus being capable of effectively preventing the blockage of the magnetic medium, reducing the mingling of gangue and improving the concentrate grade.

Description

1. Technical field [0001] The patent of the invention relates to an ultrasonic high-gradient magnetic separation device, which belongs to the field of mining machinery. 2. Background technology [0002] High Gradient Magnetic Separation (HGMS) is a method of material separation using a high gradient magnetic field. Its characteristics are: the background magnetic field is large, and a magnetic medium is introduced into the magnetic separation space. Therefore, it can obtain a magnetic force much greater than that of ordinary magnetic separators. It is suitable for separating fine-grained weak magnetic minerals, such as hematite, limonite, ilmenite, manganese ore, etc. In addition, HGMS is also commonly used in the removal and purification of kaolin and ceramic raw materials. For weakly magnetic minerals, HGMS has high separation efficiency and strong adaptability. However, due to the addition of magnetic media to the separation space, the flow rate and processing capacity o...

Claims

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Application Information

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IPC IPC(8): B03C1/025B03C1/031
Inventor 张邦文胡凡非李保卫赵瑞超
Owner INNER MONGOLIA UNIV OF SCI & TECH
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