An ultrasonic agglomerate disintegration structure and an iron ore magnetic separation device having the same

Abstract

The invention discloses an ultrasonic agglomerate breaking structure for installation on iron ore magnetic separation equipment, comprising: a feed pipe, a plurality of mounting seats are fixedly connected to the bottom of the outer wall of the feed pipe; an ultrasonic generator, a plurality of groups of ultrasonic generators are fixedly connected to the mounting seats one by one; the ultrasonic generator is connected to an external control power supply through electric wires; a swirl component, the swirl component is a cylinder structure, the swirl component is fixed to the bottom end of the feed pipe, a baffle is fixed to the bottom end of the swirl component, a plurality of slurry outlets are circumferentially spaced on the outer wall of the swirl component, and a guide plate is connected to the outer wall of the slurry outlet corresponding to the slurry outlet. The invention can break up polymers, has a better magnetic separation effect, and has high ore discharge quality.

Description

Technical Field

[0001] The invention relates to the technical field of mineral separation, and in particular to an ultrasonic agglomerate breaking structure and iron ore magnetic separation equipment having the same. Background Art

[0002] At present, the iron ore beneficiation is generally done by allowing the pulp to flow freely in the magnetic separation drum, and the concentrate is selected by the action of the electromagnetic coil. Since the pulp generally flows out directly from the feed pipe at a high speed, in order to ensure the magnetic separation effect, the water that needs to be passed into the separation drum is often high-pressure water, which greatly increases the water consumption of the magnetic separation equipment, resulting in a waste of water resources; at the same time, during the magnetic separation process, non-magnetic particles and magnetic particles are mixed and agglomerated, and the agglomerates cannot be fully dispersed by water pressure, resulting in poor magnetic separation effect.

[0003] Therefore, how to provide an ultrasonic agglomerate breaking structure that saves water resources and has a good magnetic separation effect and an iron ore magnetic separation device having the same is a problem that technical personnel in this field urgently need to solve. Summary of the invention

[0004] In view of this, the present invention provides an ultrasonic agglomerate breaking structure and an iron ore magnetic separation device having the same, which can break up the agglomerates, has a good magnetic separation effect, does not require a large amount of water to break up the agglomerates, and further saves water resources.

[0005] In order to achieve the above object, the present invention adopts the following technical solution: an ultrasonic agglomerate breaking structure for installation on an iron ore magnetic separation device, comprising: a feed pipe, wherein the bottom of the outer wall of the feed pipe is fixedly connected with a plurality of mounting seats;

[0006] Ultrasonic generators, wherein there are multiple groups of ultrasonic generators, and the ultrasonic generators are fixedly connected to the mounting bases one by one; the ultrasonic generators are connected to an external control power supply through wires;

[0007] The swirl component is a cylindrical structure, the swirl component is fixed to the bottom end of the ore feeding pipe, a baffle is fixed to the bottom end of the swirl component, a plurality of slurry outlets are circumferentially spaced apart on the outer wall of the swirl component, and a guide plate is connected to the outer wall of the slurry outlet corresponding to the slurry outlet.

[0008] The beneficial effects of the present invention are as follows: an ultrasonic agglomerate breaking-up structure is installed on the iron ore magnetic separation equipment, and the energy generated by the ultrasonic generator is used to break up the magnetic minerals, thereby reducing the pressure of water supply to break up the agglomerates and reducing the water consumption. The ultrasonic breaking-up effect is better than the water breaking-up effect, thereby improving the magnetic separation effect of the equipment. Specifically, a plurality of mounting seats are fixed at the bottom of the outer wall of the feed pipe, and the ultrasonic generator is fixed on the mounting seat. High-pressure mortar is pumped into the feed pipe from the outside, and the mortar passes through the cyclone at the bottom of the feed pipe to complete the speed reduction solid-liquid separation, and the sand particles and impurities are thrown around, and the ultrasonic generator is used to complete the mineral selection of the magnetic separation equipment. The original technology does not have an ultrasonic structure, and can only use the impact force of water to break up the minerals and impurities and reduce the descending speed of the minerals, so it needs to consume a lot of water resources; after the minerals are aggregated by electromagnetic, they will be accompanied by magnetism and are not easy to disperse, which affects the magnetic separation effect.

[0009] Preferably, a flange connected to the ore feeding port of the magnetic separation equipment is provided on the top of the ore feeding pipe.

[0010] Preferably, the mounting base includes two connecting plates and a seat plate, the connecting plates are arranged in parallel and spaced apart and one end of each is fixedly welded to the outer side wall of the feeding pipe, the seat plate is vertically fixed to the other end of the two connecting plates, and the ultrasonic generator is fixedly connected to the seat plate.

[0011] The present invention also discloses an iron ore magnetic separation device, which includes an ultrasonic agglomerate breaking up structure, a magnetic separation cylinder and a material blocking column. A feeding port is provided on the top of the magnetic separation cylinder, an electromagnetic coil is wound on the inner side wall of the magnetic separation cylinder, a tailings overflow port is provided on the top side wall of the magnetic separation cylinder, the feeding pipe is fixedly located in the middle of the inner side of the magnetic separation cylinder, the material blocking column is fixedly located at the inner bottom of the magnetic separation cylinder, a spacing distance is reserved between the top of the material blocking column and the bottom of the cyclone element, a water inlet pipe is connected to the bottom side wall of the magnetic separation cylinder, and a concentrate outlet is provided at the bottom of the magnetic separation cylinder.

[0012] Preferably, the material blocking column is a hollow tube structure, both ends of the material blocking column are sealed, the water inlet pipe is connected to the side wall of the material blocking column, a plurality of water holes are opened on the outer wall of the material blocking column, and a plurality of water outlet pipes are horizontally fixed on the outer wall of the material blocking column corresponding to the water holes.

[0013] Preferably, the water outlet pipe is an arc-shaped pipe, and the water outlet pipe sprays high-pressure water in a clockwise direction.

[0014] The beneficial effect of the present invention is that the iron ore magnetic separation equipment with ultrasonic agglomerate breaking structure has better magnetic separation effect than the magnetic separation equipment without ultrasonic structure. After the mortar is mixed with water in the magnetic separation cylinder, the magnetic minerals are adsorbed to the wall of the magnetic separation cylinder by the periodic magnetic field generated by the electromagnetic coil, thereby achieving the separation of non-magnetic impurities and magnetic minerals. When the magnetic field disappears, the ultrasonic wave at this time will fully break up the minerals agglomerated due to magnetism.

[0015] Through continuous adsorption and dispersion, the impurities in the minerals will continue to decrease, thereby improving the quality of the minerals. At this time, the minerals after magnetic separation will sink to the bottom of the equipment. The impurities will continue to rise through the water flow and finally be discharged through the tailings overflow port. Specifically, the pumped slurry enters the feed pipe through the feed port and flows out from the cyclone at the bottom of the feed pipe. After the cyclone, the minerals and water are initially separated, and the minerals and impurities are thrown to the separation barrel. The separation barrel uses an electromagnetic coil to absorb magnetic minerals. When the magnetic field disappears, the ultrasonic wave at this time will fully disperse the minerals that have agglomerated due to magnetism. During the adsorption process, the adsorption and dispersion are repeated periodically to finally complete high-quality ore discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall schematic diagram of an ultrasonic agglomerate breaking structure of the present invention Figure 1 ;

[0017] Figure 2 The overall schematic diagram of an ultrasonic agglomerate breaking structure of the present invention Figure 2 ;

[0018] Figure 3 This is a schematic structural diagram of an iron ore magnetic separation device according to the present invention;

[0019] Figure 4 The present invention is a working flow chart of an iron ore magnetic separation device.

[0020] 1 feeding pipe, 2 mounting seat, 21 connecting plate, 22 seat plate, 3 ultrasonic generator, 4 electric wire, 5 cyclone element, 6 guide plate, 7 magnetic separation cylinder, 8 material blocking column, 9 feeding port, 10 tailings overflow port, 11 water inlet pipe, 12 concentrate outlet, 13 water eye, 14 water outlet pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See the attached Figures 1 to 4 According to an embodiment of the present invention, an ultrasonic agglomerate breaking structure is installed on an iron ore magnetic separation device, comprising: a feed pipe 1, four mounting seats 2 are fixedly connected to the bottom of the outer wall of the feed pipe 1; the four mounting seats are distributed at intervals;

[0023] Ultrasonic generators 3, there are four groups of ultrasonic generators 3, and the ultrasonic generators 3 are fixedly connected to the mounting base 2 one by one; the ultrasonic generators 3 are connected to an external control power supply through wires 4 to control the operation of the ultrasonic generators.

[0024] The swirl member 5 is a cylindrical structure, fixed at the bottom end of the feed pipe 1, a baffle is fixed at the bottom end of the swirl member 5, a plurality of slurry outlets are arranged circumferentially on the outer wall of the swirl member 5, and a guide plate 6 is connected to the outer wall of the swirl member 5 corresponding to the slurry outlets. The outer diameter of the swirl member is larger than the outer diameter of the feed pipe, which is conducive to the deceleration of the mortar. The mortar flows out from the slurry outlet and is guided by the guide plate and then swirls out counterclockwise, throwing the minerals and impurities to the surroundings.

[0025] Specifically, a flange connected to the ore feeding port of the magnetic separation device is provided on the top of the ore feeding pipe 1 .

[0026] In other embodiments, the mounting base 2 includes two connecting plates 21 and a seat plate 22. The connecting plates 21 are arranged in parallel and spaced apart and one end thereof is respectively fixedly welded to the outer wall of the feed pipe 1. The seat plate 22 is vertically fixed to the other end of the two connecting plates 21. The ultrasonic generator 3 is fixedly connected to the seat plate 22.

[0027] The present invention also discloses an iron ore magnetic separation device, which includes an ultrasonic agglomerate breaking structure, a magnetic separation drum 7 and a material blocking column 8, wherein a feed port 9 is provided at the top of the magnetic separation drum 7, a tailings overflow port 10 is provided on the top side wall of the magnetic separation drum 7, a feed pipe 1 is fixedly located in the middle of the inner side of the magnetic separation drum 7, the material blocking column 8 is fixed at the inner bottom of the magnetic separation drum 7, a spacing distance is reserved between the top of the material blocking column 8 and the bottom of the cyclone 5, a water inlet pipe 11 is connected to the bottom side wall of the magnetic separation drum 7, and a concentrate outlet 12 is provided at the bottom of the magnetic separation drum 7. The water in the water inlet pipe can overflow the impurities.

[0028] Specifically, the material blocking column 8 is a hollow tube structure with both ends sealed, a water inlet pipe 11 connected to the side wall of the material blocking column 8, a plurality of water holes 13 are opened on the outer wall of the material blocking column 8, and a plurality of water outlet pipes 14 are horizontally fixed on the outer wall of the material blocking column 8 corresponding to the water holes 13.

[0029] More specifically, the outlet pipe 14 is an arc-shaped pipe, and the outlet pipe 14 sprays high-pressure water clockwise. The outlet flow direction of the outlet pipe is exactly opposite to the outlet flow direction of the slurry of the cyclone, so that the water and the ore pulp are mixed to form turbulence, which can better reduce the speed and separate the minerals, and complete higher-quality magnetic separation adsorption. The mechanical inclusion of non-magnetic particles and magnetic particles is effectively eliminated, and the magnetic separation effect is significantly improved.

[0030] The present invention can achieve the purpose of reducing the water consumption of magnetic separation equipment and improving the magnetic separation effect.

[0031] As for the device and the method of use disclosed in the embodiment, since they correspond to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method part.

[0032] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An ultrasonic agglomerate breaking structure, used for installation on an iron ore magnetic separation device, characterized in that: include: An ore feeding pipe (1), wherein a plurality of mounting seats (2) are fixedly connected to the bottom of the outer side wall of the ore feeding pipe (1); Ultrasonic generators (3), the ultrasonic generators (3) comprising a plurality of groups, the ultrasonic generators (3) being fixedly connected to the mounting bases (2) one by one; the ultrasonic generators (3) being connected to an external control power supply via electric wires (4); A cyclone element (5) is a cylindrical structure, the cyclone element (5) is fixed at the bottom end of the feed pipe (1), the outer diameter of the cyclone element is larger than the outer diameter of the feed pipe, a baffle is fixed at the bottom end of the cyclone element (5), a plurality of slurry outlets are circumferentially spaced on the outer wall of the cyclone element (5), and a guide plate (6) is connected to the outer wall of the cyclone element (5) corresponding to the slurry outlets; the slurry passes through the cyclone element at the bottom of the feed pipe to complete the speed reduction solid-liquid separation, and the sand particles and impurities are thrown to the surroundings, and the mineral selection of the magnetic separation equipment is completed in cooperation with the ultrasonic generator.

2. The ultrasonic agglomerate breaking structure according to claim 1, characterized in that: The top of the ore feeding pipe (1) is provided with a flange connected to the ore feeding port of the magnetic separation equipment.

3. The ultrasonic agglomerate breaking structure according to claim 1, characterized in that: The mounting base (2) comprises two connecting plates (21) and a seat plate (22); the connecting plates (21) are arranged in parallel and spaced apart and one end of each is fixedly welded to the outer wall of the feed pipe (1); the seat plate (22) is vertically fixed to the other ends of the two connecting plates (21); and the ultrasonic generator (3) is fixedly connected to the seat plate (22).

4. An iron ore magnetic separation device, characterized in that: It comprises the ultrasonic agglomerate breaking-up structure, magnetic separation cylinder (7) and material blocking column (8) of any one of claims 1 to 3, the top of the magnetic separation cylinder (7) is provided with a feed port (9), the top side wall of the magnetic separation cylinder (7) is provided with a tailings overflow port (10), the feed pipe (1) is fixedly located in the middle of the inner side of the magnetic separation cylinder (7), the material blocking column (8) is fixed at the inner bottom of the magnetic separation cylinder (7), a spacing distance is reserved between the top of the material blocking column (8) and the bottom of the cyclone (5), a water inlet pipe (11) is connected to the bottom side wall of the magnetic separation cylinder (7), and a concentrate outlet (12) is provided at the bottom of the magnetic separation cylinder (7).

5. The iron ore magnetic separation equipment according to claim 4, characterized in that: The material-blocking column (8) is a hollow tube structure, both ends of the material-blocking column (8) are sealed, the water inlet pipe (11) is connected to the side wall of the material-blocking column (8), a plurality of water holes (13) are opened on the outer wall of the material-blocking column (8), and a plurality of water outlet pipes (14) are horizontally fixed on the outer wall of the material-blocking column (8) corresponding to the water holes (13).

6. The iron ore magnetic separation equipment according to claim 5, characterized in that: The water outlet pipe (14) is an arc-shaped pipe, and the water outlet pipe (14) sprays high-pressure water in a clockwise direction.

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