CN108745636B

CN108745636B - Vertical magnetic separator

Info

Publication number: CN108745636B
Application number: CN201810468111.3A
Authority: CN
Inventors: 赵通林; 吴中贤; 齐聪
Original assignee: University of Science and Technology Liaoning USTL
Current assignee: University of Science and Technology Liaoning USTL
Priority date: 2018-05-16
Filing date: 2018-05-16
Publication date: 2021-01-05
Anticipated expiration: 2038-05-16
Also published as: CN108745636A

Abstract

The invention provides a vertical magnetic separator, comprising: the device comprises a box body, a feeding port is arranged on one side of the box body, a tailing discharge port is arranged on one side of the bottom of the box body, and a concentrate discharge port is arranged on the other side of the box body; a sorting part including a first magnetic system, a second magnetic system, a third magnetic system, a first magnetic roller and a second magnetic roller; the transmission belt is sleeved outside the sorting part through the power shaft lever and the guide shaft lever; and the ore unloading flushing pipe is arranged in the box body and faces to the conveying belt positioned at the bottom of the power shaft lever. The vertical magnetic separator with the magnetic separator can improve the magnetite grade of the concentrate, and meanwhile, the occupied area is small.

Description

Vertical magnetic separator

Technical Field

The invention belongs to the technical field of magnetic separators, and particularly relates to a vertical magnetic separator with a magnetic separator.

Background

The drum magnetic separator is a weak magnetic separation device which is generally adopted in China at present, but the magnetic field force of the permanent magnetic separator is large and is a constant magnetic field, strong magnetic agglomeration exists in the process of separating magnetite, the length of a magnetic system of the drum magnetic separator is short, the rolling frequency of magnetic minerals adsorbed on the surface of the magnetic system is small, and the concentrate grade is not high due to the inclusion problem.

Need grind the broken ore grinding of former ore to powdered at the magnetite recovery in-process, be magnet mineral and gangue mineral separation, then adsorb the magnetite through the magnet separator and retrieve the magnetite, present magnet separator carries out the in-process powdered magnetite that adsorbs to the magnetite can form the parcel to the gangue mineral, leads to the gangue mineral to sneak into the concentrate, makes the concentrate grade reduce, for magnetic agglomeration phenomenon promptly. Meanwhile, due to the influence of the grinding size fraction, any part of magnetite is dissociated as a monomer, the magnetic field intensity of the traditional magnetite is high, and the part of minerals which are not dissociated as the monomer can be mixed into the concentrate, so that the concentrate grade is reduced.

Taking the Anshan Dalonshan separation plant as an example, the magnetic separation plant needs 36 drum-type magnetic separators to operate simultaneously to maintain the normal operation of the separation plant. On one hand, the waste of land resources is caused, one magnetic separator occupies about 4 square meters, and 36 magnetic separators need 144 square meters of plant area; on the other hand, the energy consumption is wasted, and a large amount of electric energy is consumed when the 36 magnetic separators work simultaneously.

Therefore, it is necessary to develop a vertical belt magnetic separator which can improve the magnetite concentrate grade and has small floor area.

Disclosure of Invention

The invention aims to provide a vertical magnetic separator with a magnetic belt, which can improve the grade of magnetite concentrate and has small occupied area.

In order to achieve the above object, the present invention provides a vertical belt magnetic separator comprising:

the device comprises a box body, a feeding port is arranged on one side of the box body, a tailing discharge port is arranged on one side of the bottom of the box body, and a concentrate discharge port is arranged on the other side of the box body;

a sorting part including a first magnetic system, a second magnetic system, a third magnetic system, a first magnetic roller and a second magnetic roller;

the first magnetic system is parallel to the top of the box body and arranged in the box body, the third magnetic system is perpendicular to the bottom of the box body and arranged in the box body, two ends of the second magnetic system are respectively connected to the first magnetic system and the second magnetic system, the first magnetic roller is positioned between the first magnetic system and the second magnetic system, and the second magnetic roller is positioned between the second magnetic system and the third magnetic system;

the transmission belt is sleeved outside the sorting part through the power shaft lever and the guide shaft lever;

and the ore unloading flushing pipe is arranged in the box body and faces to the conveying belt positioned at the bottom of the power shaft lever.

Preferably, the magnetic separation device further comprises a concentrate flushing water pipe, wherein the concentrate flushing water pipe is arranged in the box body and faces the transmission belt on the upper surface of the second magnetic system.

Preferably, the included angle between the second magnetic system and the first magnetic system is 120-145 degrees

Preferably, the feeding port faces a middle upper portion of the third magnetic system.

Preferably, the magnetic poles of the adjacent magnetic systems of the first magnetic system, the second magnetic system and the third magnetic system are opposite.

Preferably, the magnetic system inclination angle adjusting device is arranged between the first magnetic system and the second magnetic system and between the second magnetic system and the third magnetic system.

Preferably, the power shaft device further comprises a driving motor and an adjusting speed regulator, wherein the adjusting speed regulator is connected to the driving motor in a communication mode, and an output shaft of the driving motor is connected to the power shaft rod.

Preferably, the box includes adjustable angle striker plate, adjustable angle striker plate set up in the feed inlet bottom, with form between the third magnetic system and select separately the region.

Preferably, the angle-adjustable material baffle is hinged to the bottom plate of the box body through the hinged shaft, and the adjusting handle is arranged at the top of the angle-adjustable material baffle.

Preferably, the first magnetic system, the second magnetic system and the third magnetic system are planar magnetic systems.

The invention has the beneficial effects that:

1) through the arrangement of the three magnetic systems, the third magnetic system is vertically arranged in the box body, so that the magnetic separator is vertical and occupies small area.

2) The transmission band cover is established on the magnetism system surface, drives mineral and moves on the magnetism system, and the removal in-process can make mineral overturn, destroys the magnetic agglomeration phenomenon, is convenient for not the mineral of monomer dissociation break away from the transmission band at the belt operation in-process, improves magnetite concentrate grade.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.

FIG. 1 shows a schematic block diagram of a vertical belt magnetic separator according to one embodiment of the present invention.

FIG. 2 shows a side view of a vertical belt magnetic separator according to one embodiment of the present invention.

Description of reference numerals:

1. a second magnetic system; 2. a feed box; 3. the angle-adjustable striker plate; 4. a first magnetic roller; 5. a power shaft lever; 6. a guide shaft lever; 7. a concentrate flushing water pipe; 8. unloading and flushing the pipe; 9. a conveyor belt; 10. a third magnetic system; 11. a first magnetic system; 12. a second magnetic roller; 13. an angle adjusting handle; 14. hinging a shaft; 15. a tailing discharging port; 16. and (4) a concentrate ore discharge port.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The invention provides a vertical magnetic separator, comprising:

Specifically, this vertical magnetic separator that takes solves traditional magnetic separator gangue and mix with the problem that leads to concentrate grade low and the magnetic separation workshop occupies the land and consumes the big problem of electric power resource.

Specifically, in the sorting process, ore pulp is fed into the box body through the feeding port, magnetic minerals and minerals which are not dissociated by monomers are adsorbed on the conveying belt on the upper surface of the third magnetic system, the conveying belt drives the magnetic minerals and the minerals which are not dissociated by monomers to move towards the second magnetic system and the first magnetic system, the magnetic minerals and the minerals which are not dissociated by monomers roll in the moving process, magnetic agglomeration is damaged in the rolling process, the minerals which are not dissociated by monomers are separated from the conveying belt under the action of gravity, the ore concentrate is conveyed to the bottom of the force shaft rod through the conveying belt, water is discharged from the ore unloading flushing pipe to unload the ore concentrate, the ore concentrate is discharged through the ore concentrate discharging port, and the rest of tailings are discharged through the ore tailing discharging port.

Specifically, the two ends of the first magnetic roller and the second magnetic roller are slidably arranged in the box body, the included angle among the first magnetic system, the second magnetic system and the third magnetic system can be adjusted by adjusting the positions of the first magnetic roller and the second magnetic roller, representative ore patterns can be adopted in advance during use, the optimal magnetic system angle is determined by adjusting the angle between the adjacent magnetic systems and detecting a test result, and then the optimal magnetic system angle is directly installed on a mineral separation site, so that the use is more convenient.

Specifically, the concentrate flushing water pipe is used for flushing the upper surface of the second magnetic system, flushing the concentrate and flushing gangue minerals and non-monomer dissociation minerals which are mixed in the concentrate away from the conveying belt.

Preferably, the included angle between the second magnetic system and the first magnetic system is 120-145 degrees.

Particularly, the installation angle of 120-145 degrees is adopted, so that the transmission of the concentrate can be ensured, and meanwhile, resistance is set for the transmission of the gangue minerals, so that the gangue minerals can be conveniently separated from a magnetic system.

Preferably, the feeding port faces to the middle upper part of the third magnetic system.

Specifically, the ore pulp is directly fed to the middle upper part of the third magnetic system, and then is sequentially sorted through the second magnetic system and the first magnetic system, and the effective magnetic system length for sorting is added.

Specifically, the arrangement of the magnetic poles opposite facilitates the overturning of minerals on the conveying belt and the separation of gangue minerals.

Specifically, through the setting of magnetic system inclination angle adjusting device, be convenient for adjust the contained angle between the magnetic system, according to the magnetite grade of raw ore, further adjust the contained angle between the magnetic system, make vertical area magnet separator application scope wider.

Preferably, the device further comprises a driving motor and an adjusting speed regulator, wherein the adjusting speed regulator is in communication connection with the driving motor, and an output shaft of the driving motor is connected to the power shaft rod.

Specifically, the rotating speed of the driving motor is adjusted by adjusting the speed regulator, the running speed of the transmission belt is further controlled, and the time of mineral passing through magnetism is further controlled, so that the application range of the vertical belt magnetic separator is wider.

In particular, the planar magnetic system facilitates the mounting of the conveyor belt.

As a preferred scheme, the box body comprises an angle-adjustable baffle plate, and the angle-adjustable baffle plate is arranged at the bottom of the feeding port and forms a separation area between the third magnetic system and the feeding port.

As the preferred scheme, the angle-adjustable baffle plate is hinged to the bottom plate of the box body through the hinged shaft, and the adjusting handle is arranged at the top of the angle-adjustable baffle plate.

Specifically, the angle-adjustable material baffle is flexibly connected with the bottom of the box body through a hinged shaft, and a certain included angle can be formed between the angle-adjustable material baffle and the third magnetic system through the angle-adjustable handle, so that the width of a sorting area is changed, and the sorting area is in a shape of being wide at the top and narrow at the bottom.

Specifically, the size and width of the sorting area can be flexibly set based on the ore feeding amount and the grade of the ore feeding magnetic iron.

Examples

FIG. 1 shows a schematic block diagram of a vertical belt magnetic separator according to one embodiment of the present invention. FIG. 2 shows a side view of a vertical belt magnetic separator according to one embodiment of the present invention.

As shown in fig. 1-2, the vertical belt magnetic separator includes:

When the magnetic roller is installed, the first magnetic roller 4 is arranged between the first magnetic system 11 and the second magnetic system 1; the power shaft lever 5 is arranged at the top end of the first magnetic roller, and the guide shaft lever 6 is arranged below the third magnetic system; the transmission belt 9 wraps the magnetic system at the peripheries of the first magnetic roller 4, the power shaft lever 5, the guide shaft lever 6 and the second magnetic roller 12; the concentrate flushing water pipe 7 is positioned above the conveying belt 9 at the second magnetic system; the ore discharging flushing pipe 8 is positioned on the outer surface of the belt below the power shaft lever 5; the angle-adjustable material baffle 3 is positioned on the right side of the magnetic system of the vertical surface sorting area and has a gap (sorting area) with a certain size with the magnetic system; the feeding box 2 is connected with the angle-adjustable material baffle 3 and is positioned above the angle-adjustable material baffle 3; the speed regulator is connected with the power shaft lever 5, thereby controlling the rotating speed of the transmission belt 9.

When the equipment is operated, ore pulp is fed into the middle upper part of the separation area of the magnetic separator through the feeding box 2, and magnetic particles are attracted to the surface of the third magnetic system 10 under the action of a magnetic field force in the sedimentation process of the separation area and move upwards along with the belt 9; in the process of movement, the magnetic particles are continuously turned over on the magnetic system surface due to the alternating polarity; in the process of turning over, the gangue which is mixed in the magnetic particles is removed. The magnetic particles move along with the belt 9, and when the magnetic particles move to the second magnetic system 1, under the high-pressure flushing action of the concentrate flushing water pipe 7, gangue mixed in the concentrate is removed; when the magnetic mineral moves to the position of the power shaft lever 5 along with the conveyor belt 9, the magnetic mineral is flushed to a magnetic product tank through the concentrate discharge port 16 under the flushing action of the ore discharge flushing water pipe 8.

Specifically, when feeding, according to the feeding amount and the raw ore grade, the angle-adjustable striker plate 3 is driven to rotate by the angle-adjustable handle 13 and the hinge shaft 14, and the width of the separation area is adjusted.

Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A vertical belt magnetic separator, comprising:

the ore unloading flushing pipe is arranged in the box body and faces to the conveying belt positioned at the bottom of the power shaft lever;

a magnetic system inclination angle adjusting device disposed between the first magnetic system and the second magnetic system and between the second magnetic system and the third magnetic system;

the box body comprises an angle-adjustable baffle plate, the angle-adjustable baffle plate is arranged at the bottom of the feeding port, and a sorting area is formed between the angle-adjustable baffle plate and the third magnetic system;

the angle-adjustable material baffle is hinged to the bottom plate of the box body through the hinged shaft, and the adjusting handle is arranged at the top of the angle-adjustable material baffle.

2. The vertical belt magnetic separator according to claim 1, further comprising a concentrate flushing water pipe disposed in the box body facing the conveyor belt on the upper surface of the second magnetic system.

3. The vertical belt magnetic separator of claim 1 wherein the angle between the second magnetic system and the first magnetic system is 120 ° to 145 °.

4. The vertical belt magnetic separator of claim 1 wherein the feed port is directed toward the upper middle portion of the third magnetic train.

5. The vertical belt magnetic separator of claim 1, wherein the magnetic poles of adjacent magnetic systems of the first, second and third magnetic systems are opposite.

6. The vertical belt magnetic separator of claim 1, further comprising a drive motor and an adjustment governor, the adjustment governor being communicatively connected to the drive motor, an output shaft of the drive motor being connected to the power shaft.

7. The vertical belt magnetic separator of claim 1 wherein the first, second and third magnetic systems are planar magnetic systems.