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Suspended dry type low-intensity magnetic field magnetic separation equipment for fine-grained materials

A magnetic separation equipment and weak magnetic field technology, applied in the field of mineral processing engineering, can solve the problems of particle adhesion and entrainment, reduce the separation effect, environmental pollution, etc., and achieve the effect of reducing wrapping and entrainment, simple installation and convenient operation.

Inactive Publication Date: 2013-04-03
YUNNAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Wet magnetic separators need to add water during use, which increases energy consumption and causes environmental pollution
Existing dry-type magnetic separators are mainly for bulk materials, and a few dry-type magnetic separators that can be used to separate fine-grained materials do not have the environment for separating ore particles under loose conditions, so it is easy to cause particle stickiness. Attachment and entrainment, the magnetic adhesion of small particles to coarse particles and the mechanical entrainment of non-magnetic particles into magnetic products reduce the sorting effect

Method used

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  • Suspended dry type low-intensity magnetic field magnetic separation equipment for fine-grained materials
  • Suspended dry type low-intensity magnetic field magnetic separation equipment for fine-grained materials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Such as figure 1 , 2 Shown: a dry weak magnetic field magnetic separation equipment for fine-grained materials consists of magnetic system 1, outer cylinder 2, inner cylinder 3, dividing plate 4, tailing outlet 5, support shaft 6, magnetic system declination adjustment handle 7 , Concentrate outlet 8, feed port 9, air flow interface 10, bracket 11, pipe 12, brush 13, ring 14, bearing 15, frequency converter 16, motor 17; motor 17 is connected to frequency converter 16, motor 17 The output shaft is connected with the support shaft 6; the support shaft 6 is connected with the support 11, the outer cylinder 2 is fixed on the support 11, the inner cylinder 3 is connected with the support shaft 6 and rotates with the support shaft 6; the support shaft 6 and the ring 14 The inner ring of the bearing 15 is matched with the support shaft 6, the outer ring of the bearing 15 is matched with the ring 14, the magnetic system 1 is fixed on the ring 14, and the ring 14 is connected wit...

Embodiment 2

[0038] Such as figure 1 , 2 Shown: a dry weak magnetic field magnetic separation equipment for fine-grained materials consists of magnetic system 1, outer cylinder 2, inner cylinder 3, dividing plate 4, tailing outlet 5, support shaft 6, magnetic system declination adjustment handle 7 , Concentrate outlet 8, feed port 9, air flow interface 10, bracket 11, pipe 12, brush 13, ring 14, bearing 15, frequency converter 16, motor 17; motor 17 is connected to frequency converter 16, motor 17 The output shaft is connected with the support shaft 6; the support shaft 6 is connected with the support 11, the outer cylinder 2 is fixed on the support 11, the inner cylinder 3 is connected with the support shaft 6 and rotates with the support shaft 6; the support shaft 6 and the ring 14 The inner ring of the bearing 15 is matched with the support shaft 6, the outer ring of the bearing 15 is matched with the ring 14, the magnetic system 1 is fixed on the ring 14, and the ring 14 is connected wit...

Embodiment 3

[0047] Such as figure 1 , 2 Shown: a dry weak magnetic field magnetic separation equipment for fine-grained materials consists of magnetic system 1, outer cylinder 2, inner cylinder 3, dividing plate 4, tailing outlet 5, support shaft 6, magnetic system declination adjustment handle 7 , Concentrate outlet 8, feed port 9, air flow interface 10, bracket 11, pipe 12, brush 13, ring 14, bearing 15, frequency converter 16, motor 17; motor 17 is connected to frequency converter 16, motor 17 The output shaft is connected with the support shaft 6; the support shaft 6 is connected with the support 11, the outer cylinder 2 is fixed on the support 11, the inner cylinder 3 is connected with the support shaft 6 and rotates with the support shaft 6; the support shaft 6 and the ring 14 The inner ring of the bearing 15 is matched with the support shaft 6, the outer ring of the bearing 15 is matched with the ring 14, the magnetic system 1 is fixed on the ring 14, and the ring 14 is connected wit...

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Abstract

The invention relates to suspended dry type low-intensity magnetic field magnetic separation equipment for fine-grained materials, and belongs to the technical field of mineral processing engineering. The equipment adopts the structure that a motor is connected with a frequency converter; the output shaft of the motor is connected with a support shaft; the support shaft is connected with a bracket; an outer cylinder is fixed on the bracket; an inner cylinder is connected with the support shaft, and rotates with the support shaft; the support shaft is connected with a circular ring through a bearing; a separating plate is arranged between the inner cylinder and the outer cylinder, and is fixed on the outer cylinder; a tailing outlet is formed in the upper part on the outer wall of the outer cylinder; a concentrate outlet is formed in the bottom on the outer wall of the outer cylinder; the top of a pipeline is connected with the outer cylinder; the tail of the pipeline is an airflow interface; the airflow interface is connected with air compressing equipment; a feed port is arranged above the airflow interface; and a fur brush is fixed on the circular ring. According to the invention, energy consumption and water resource pollution are reduced; separation of the fine-grained materials can be realized; ore is fed from the lower part of a magnetic separator; separation is carried out in a suspended state, so as to ensure sound looseness of the materials and improve the grade and the recovery of concentrate; the device is simple in structure; and the operation is convenient.

Description

technical field [0001] The invention relates to a suspended dry weak magnetic field magnetic separation device for fine-grained materials, which belongs to the technical field of mineral processing engineering. Background technique [0002] Magnetic separation is a beneficiation method that uses the magnetic difference between minerals to separate different minerals in an inhomogeneous magnetic field. Magnetic separation is widely used in the separation of ferrous metal ores, the selection of non-ferrous and rare metal ores, the recovery of medium in heavy medium beneficiation, and the removal of Iron impurities, protection of crushers and other equipment; recovery of scrap steel from steel slag produced by smelting, and removal of pollutants from production and domestic sewage. Magnetic separation equipment can be divided into dry magnetic separator and wet magnetic separator according to the separation medium. [0003] Wet magnetic separator is suitable for wet magnetic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C1/32
Inventor 杨琳琳唐秀英施杰王琼汪溪
Owner YUNNAN AGRICULTURAL UNIVERSITY
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