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Wind dry type magnetic separator

A magnetic separation and dry-type technology, which is applied in the direction of magnetic separation, solid separation, and separation of solids from solids with airflow, can solve the problems of difficult to balance grade and recovery rate, poor effect of primary roller, fluidization, etc. High bed design requirements, to achieve the effect of solving the problem of fine-grained magnetic agglomeration inclusions, improving efficiency, and reducing magnetic agglomeration inclusions

Active Publication Date: 2016-07-20
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the effect of the primary roller is poor, and it is necessary to rely on multi-stage separation to effectively improve the separation efficiency.
The disadvantage is that the design requirements for the fluidized bed are high, the material is difficult to distribute evenly on the fluidized bed, and the design does not consider the dust collection function
[0009] Although the above-mentioned technologies have introduced wind power into the magnetic field, either the wind power has a single effect, and it is difficult to take into account the grade and recovery rate at the same time, or the design is unreasonable, and it is difficult to apply and realize

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as Figure 1 to Figure 4As shown, the air dry magnetic separator of the present embodiment includes a frame 1, a casing 2, a dust removal device 3 that communicates with the inner cavity of the casing 2 for exhausting and dust removal, and is installed in the casing 2 and driven by a driving device. The rotating non-magnetic cylindrical screen roller 4, the casing 2 is installed on the frame 1, the dust removal device 3 adopts the combination of the exhaust fan and the exhaust pipe, the driving device adopts the combination of the existing motor and the reducer, and the driving device drives the non-magnetic circular The rotation speed of the cylinder screen roller 4 is adjustable to suit different sorting conditions. A feeding device 5 is installed above the non-magnetic cylinder screen roller 4. The feeding device 5 is a feeding hopper, and the outlet of the feeding hopper is located in the non-magnetic Directly above the cylinder sieve roller 4 and below the non...

Embodiment 2

[0048] The air dry type magnetic separator of the present embodiment is basically the same as Embodiment 1, the difference is: as Figure 8 and Figure 9 As shown, the wind chamber 9 in this embodiment includes an annular chamber arranged along the circumference of the entire inner surface of the non-magnetic cylindrical screen roller 4, and the annular chamber is divided into 6 to 90 ring-shaped chambers around the non-magnetic cylindrical screen roller 4 by partitions. The third small chambers 104 arranged in the circumferential direction, each of the third small chambers 104 are provided with an air guide channel at both ends, and the rotating shaft of the non-magnetic cylindrical sieve roller 4 is provided with a The hollow air supply pipe 105, each air guide channel extends to the hollow air supply pipe 105 along the radial direction of the non-magnetic cylindrical screen roller 4 and is in contact with the outer surface of the hollow air supply pipe 105, and the hollow a...

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Abstract

The invention discloses a wind dry type magnetic separator. The wind dry type magnetic separator comprises a rack, an enclosure, dust removing devices and a nonmagnetic cylinder screen roller, wherein the dust removing devices communicate with an inner cavity of the enclosure and are used for exhausting and removing dust; the nonmagnetic cylinder screen roller is arranged in the enclosure and is driven by a driving device to rotate; a feeding device is arranged above the nonmagnetic cylinder screen roller; a concentrate bin, a tailing bin and a discharging device are arranged below the nonmagnetic cylinder screen roller; a plurality of ventilation holes are formed in the roller surface of the nonmagnetic cylinder screen roller; a fixedly-arranged magnetic system is arranged inside the nonmagnetic cylinder screen roller; an air chamber communicating with the ventilation holes is also arranged in the nonmagnetic cylinder screen roller; the air chamber is connected with an air feeding device; a striker plate which is arranged along the rotating direction of the nonmagnetic cylinder screen roller in an extending manner from a discharge opening of the feeding device is arranged on the enclosure; and a space is reserved between the striker plate and the outer surface of the nonmagnetic cylinder screen roller. The wind dry type magnetic separator disclosed by the invention has the advantages that the structure is simple and compact, magnetic agglomeration and inclusion can be effectively reduced, the magnetic separation efficiency of materials is improved, and the like.

Description

technical field [0001] The invention relates to the technical field of magnetic separation equipment, in particular to an air-driven dry magnetic separator. Background technique [0002] Magnetic separation is a technology based on the magnetic difference of different components in the sorted material. In the actual material separation, the material particles are simultaneously affected by the magnetic force and the competitive force in the non-uniform magnetic field of the magnetic separator, and the combined force of the two determines the trajectory of the particles. In order to increase the sortability between different components, it is theoretically necessary to consider expanding the difference in the resultant force of magnetic force and competitiveness of different components in the magnetic field. [0003] In the existing dry magnetic separation equipment, the inclusions caused by the agglomeration of magnetic particles are relatively serious, and the sorting effe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C1/30B03C1/12B07B4/06
CPCB03C1/12B03C1/30B07B4/06
Inventor 王毓华卢东方李旭东
Owner CENT SOUTH UNIV
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