Dry-type pulsating concentrate sorting belt conveyor

Abstract

The invention discloses a dry pulsating concentrate separation belt conveyor, which belongs to the technical field of ore dry separation, and comprises a magnetic separation roller capable of separating magnetic substances from non-magnetic substances; the device further comprises a tail roller, and the tail roller is connected with the magnetic separation roller through a conveying belt. A plurality of magnetic conduction strips are arranged in the conveying belt and arranged at equal intervals in the length direction of the conveying belt. According to the structure, the separation effect of minerals and impurities can be improved, and heat accumulation additionally generated due to the fact that magnetic lines are cut by the magnetic conductive strips in the roller cannot be increased.

Description

Technical Field

[0001] The invention relates to the technical field of dry ore sorting, and is mostly used for dry pre-selection and discarding of ore after coarse and fine crushing, and particularly relates to a dry pulsating concentrate sorting belt conveyor. Background Art

[0002] In order to address the problem that the polarity of the magnetic poles of the current magnetic separator drum changes little, resulting in less movement of mineral particles and poor impurity removal effect, a number of magnetic conductive sheets are currently set on the inner wall of the drum. The magnetic conductive sheets continuously form a magnetic shield during rotation, forming a stirring magnetic field on the surface of the drum, causing the magnetic mineral particles to continuously agglomerate and disperse, thereby increasing the movement changes of the magnetic particles.

[0003] However, due to the magnetic strips installed on the inner wall of the drum, when the drum rotates, they cut through the magnetic field and generate excess heat, which accumulates inside the drum. Over time, this heat can accumulate and become difficult to dissipate, ultimately causing the temperature to rise, which can lead to thermal demagnetization of the magnetic material inside the drum. This problem becomes more pronounced with higher magnetic fields and larger magnetic wrap angles.

[0004] In view of the above problems, the present invention designs and manufactures a dry pulsating concentrate sorting belt conveyor to overcome the above defects. Summary of the Invention

[0005] In order to solve the problems existing in the prior art, the present invention provides a dry pulsating concentrate sorting belt conveyor, which can improve the separation effect of minerals and impurities without increasing the extra heat accumulation inside the drum due to the magnetic strips cutting the magnetic lines of force.

[0006] In order to achieve the above object, the technical solution adopted by the present invention is as follows: a dry pulsating concentrate sorting belt conveyor, comprising a magnetic sorting drum, wherein the magnetic sorting drum can separate magnetic materials from non-magnetic materials; It also includes a tail drum, wherein the tail drum is connected to the magnetic separation drum via a conveyor belt; A plurality of magnetic conductive strips are arranged inside the conveyor belt, and the plurality of magnetic conductive strips are arranged at equal intervals along the length direction of the conveyor belt.

[0007] Preferably, the spacing between adjacent magnetic conductive strips is smaller than the arc length corresponding to the magnetic system wrap angle of the magnetic separation drum.

[0008] Preferably, the magnetic conductive strip is arranged at an angle, and forms an angle with the conveying direction of the conveyor belt.

[0009] Preferably, the magnetic conductive strip is arranged in a herringbone shape, the head of the herringbone-shaped magnetic conductive strip is located in the middle position in the width direction of the conveyor belt, and the head of the herringbone-shaped magnetic conductive strip is arranged at the front end of the conveying direction of the conveyor belt.

[0010] Preferably, the magnetic conductive strip is integrally formed inside the conveyor belt.

[0011] Preferably, both ends of the magnetic strip extend to both sides in the width direction of the conveyor belt.

[0012] Preferably, the magnetic conductive strip is configured as a magnetic conductive stainless steel sheet.

[0013] The benefits of this invention are: 1. During material sorting in the present invention, when the magnetic strips in the conveyor belt enter the magnetic field area of the magnetic separation drum, a magnetic field shield is formed in the local area of the magnetic strips, which reduces the magnetic field strength of the magnetic separation drum corresponding to the position. The material in this area will be in a loose state. When the material leaves the local area of the magnetic strips, the magnetic field strength is restored. Under the action of the pulsating magnetic field in the separation area, the concentrate grade of the material can be significantly improved.

[0014] 2. When the magnetic strip of the present invention cuts the magnetic lines of force through the magnetic field area of the magnetic separation drum, the heat generated by the magnetic strip will move away from the magnetic separation drum along the conveyor belt, and the magnetic strip will cool down during the conveying process. Compared with the conventional structure in which the magnetic strip is arranged on the inner wall of the drum, the heat generated by the magnetic strip cutting the magnetic lines of force will not be increased inside the drum, thereby reducing the risk of thermal demagnetization of the magnetic block.

[0015] 3. The inclined setting and shape setting of the magnetic strip of the present invention allow one end of the magnetic strip to gradually enter the magnetic field, which makes the magnetic resistance of the magnetic separation drum smoother, prevents the concentration of force on the magnetic separation drum caused by the magnetic strip instantly cutting the magnetic lines of force, prevents the magnetic separation drum from getting stuck, improves the stability of the entire equipment, and improves the adhesion stability of the minerals on the surface of the magnetic separation drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of a conveyor belt of a dry pulsating concentrate sorting belt conveyor; Figure 2 It is a partial schematic diagram of the conveyor belt of the present invention; Figure 3 This is a schematic diagram of the oblique arrangement of the magnetic strips on the conveyor belt of the present invention; Figure 4 This is a schematic diagram of the herringbone arrangement of magnetic strips on the conveyor belt of the present invention.

[0017] In the figure: 1. Conveyor belt; 2. Magnetic strip. DETAILED DESCRIPTION

[0018] To facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0019] like Figure 1 、 Figure 2As shown, a dry pulsating concentrate separation belt conveyor includes a magnetic separation drum, which can separate magnetic materials from non-magnetic materials; It also includes a tail drum, which is connected to the magnetic separation drum via a conveyor belt 1; A plurality of magnetic conductive strips 2 are provided inside the conveyor belt 1. The plurality of magnetic conductive strips 2 are arranged at equal intervals along the length direction of the conveyor belt 1. The magnetic conductive strips 2 are preferably magnetic conductive stainless steel sheets.

[0020] During material sorting according to the present invention, when the magnetic strip 2 in the conveyor belt 1 enters the magnetic field area of the magnetic separation drum, a magnetic field shield is formed in a local area of the magnetic strip 2, so that the magnetic field strength of the magnetic field area of the magnetic separation drum corresponding to the position is reduced, and the material in this area will be in a loose state. When the material leaves the local area of the magnetic strip 2, the magnetic field strength is restored, and the material can significantly improve the concentrate grade under the action of the pulsating magnetic field in the separation area.

[0021] Moreover, when the magnetic strip 2 cuts the magnetic lines of force through the magnetic field area of the magnetic separation drum, the heat generated by the magnetic strip 2 will move away from the magnetic separation drum along with the conveyor belt 1, and the magnetic strip 2 will cool down during the transportation process. Compared with the usual structure in which the magnetic strip 2 is arranged on the inner wall of the drum, the extra heat accumulation inside the drum due to the magnetic strip 2 cutting the magnetic lines of force will not be increased, thereby reducing the risk of thermal demagnetization of the magnetic block.

[0022] Specifically, the spacing between adjacent magnetic strips 2 is preferably smaller than the arc length corresponding to the magnetic system wrap angle of the magnetic separation drum, to ensure that the magnetic strips 2 can enter the magnetic field area of the magnetic separation drum.

[0023] like Figure 3 As shown, the magnetic strip 2 is tilted and forms an angle with the conveying direction of the conveyor belt 1. Figure 4 As shown, the magnetic strip 2 is set to be in a herringbone shape, the head of the herringbone magnetic strip 2 is located in the middle position in the width direction of the conveyor belt 1, and the head of the herringbone magnetic strip 2 is set at the front end of the conveyor belt 1 in the conveying direction.

[0024] The above structure allows one end of the magnetic strip 2 to gradually enter the magnetic field, which makes the magnetic resistance of the magnetic separation drum smoother, prevents the magnetic separation drum from being subjected to force concentration due to the magnetic strip 2 as a whole instantly cutting the magnetic lines of force, prevents the magnetic separation drum from getting stuck, improves the stability of the entire equipment, and improves the adhesion stability of the minerals on the surface of the magnetic separation drum.

[0025] In order to improve the stability of the magnetic strip 2 in the conveyor belt 1, the magnetic strip 2 is preferably integrally formed inside the conveyor belt 1, and both ends of the magnetic strip 2 preferably extend to both sides of the conveyor belt 1 in the width direction.

[0026] It should be understood that the purpose of these embodiments is only to illustrate the present invention and is not intended to limit the scope of protection of the present invention. In addition, it should also be understood that after reading the technical content of the present invention, those skilled in the art may make various changes, modifications and / or variations to the present invention, and all of these equivalent forms also fall within the scope of protection defined by the claims appended hereto.

Claims

1. A dry pulsating concentrate separation belt conveyor, characterized in that it includes a magnetic separation drum capable of separating magnetic and non-magnetic materials; It also includes a tail drum, wherein the tail drum is connected to the magnetic separation drum via a conveyor belt (1); A plurality of magnetic conductive strips (2) are provided inside the conveyor belt (1), and the plurality of magnetic conductive strips (2) are arranged at equal intervals along the length direction of the conveyor belt (1).

2. A dry pulsating concentrate separation belt conveyor according to claim 1, characterized in that: The spacing between adjacent magnetic conductive strips (2) is less than the arc length corresponding to the magnetic system wrap angle of the magnetic separation drum.

3. A dry pulsating concentrate separation belt conveyor according to claim 1, characterized in that: The magnetic conductive strip (2) is arranged obliquely, and the magnetic conductive strip (2) forms an angle with the conveying direction of the conveying belt (1).

4. A dry pulsating concentrate separation belt conveyor according to claim 1, characterized in that: The magnetic conductive strip (2) is arranged in a herringbone shape, the head of the herringbone-shaped magnetic conductive strip (2) is located in the middle position in the width direction of the conveyor belt (1), and the head of the herringbone-shaped magnetic conductive strip (2) is arranged at the front end of the conveying direction of the conveyor belt (1).

5. The dry pulsating concentrate separation belt conveyor according to claim 1, characterized in that: The magnetic conductive strip (2) is integrally formed inside the conveyor belt (1).

6. A dry pulsating concentrate separation belt conveyor according to claim 1, characterized in that: Both ends of the magnetic strip (2) extend to both sides of the conveyor belt (1) in the width direction.

7. The dry pulsating concentrate separation belt conveyor according to claim 1, characterized in that: The magnetic conductive strip (2) is configured as a magnetic conductive stainless steel sheet.

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