CN112121995A

CN112121995A - Magnetic separator and method

Info

Publication number: CN112121995A
Application number: CN202010933647.5A
Authority: CN
Inventors: 蔺雨欣
Original assignee: Individual
Current assignee: Jiangxi Jiayuan Magnetoelectric Technology Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2020-12-25
Anticipated expiration: 2040-09-08
Also published as: CN112121995B

Abstract

The invention relates to a magnetic separator, in particular to a magnetic separator and a method. Step one, throwing sand into a sand inlet bin from top to bottom, generating raise dust after the sand contacts an inclined bottom, branching the sand, and carrying out a first dust removal step two, and removing iron and dust for the second time on the branched sand; and step three, classifying and collecting the sand and the iron. The air flow has two routes, one route is that the suction part sucks the raised dust generated around the inclined bottom, and the raised dust sequentially passes through the communicating bin, the four-way bin, the suction bin and the inlet pipe and finally enters the dust collecting bag, and the dust is collected in the dust collecting bag. And secondly, when the sand is overturned in the cylindrical bin, the dust moves upwards and the sand loaded between the two overturning devices passes through the connecting part, the dust sequentially passes through the connecting part four-way bin along with the air, the suction bin and the inlet pipe and finally enters the dust collection bag, and then the sand is dedusted twice, so that the dedusting is thorough, and the dedusting is carried out when the feeding and magnetic separation are carried out, and the working efficiency is high.

Description

Magnetic separator and method

Technical Field

The invention relates to a magnetic separator, in particular to a magnetic separator and a method.

Background

For example, publication No. CN103826751A discloses a magnetic separator for separating magnetic and/or magnetizable particles from a fluid which also contains nonmagnetic and/or non-magnetizable particles, having a rotatable cylinder, at least one magnet device arranged in the interior of the cylinder, and a separation zone through which the fluid can be conducted, wherein the separation zone is formed by an intermediate space between the cylinder and a flow guide device, wherein, during operation of the magnetic separator, the spacing between the cylinder and the flow guide device and/or the width of the separation zone can be changed at least locally, and wherein at least one measuring device for detecting at least one fluid parameter of the fluid is present and the spacing and/or the width can be changed as a function of the at least one fluid parameter. However, this magnetic separator cannot remove dust simultaneously with the magnetic separation operation.

Disclosure of Invention

The invention aims to provide a magnetic separator which can remove dust during magnetic separation.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a magnetic separator, including the polymerization pipeline, the cylinder storehouse, turn over and dial the ware, electric putter, the electromagnet, low-speed motor and main shaft, both ends all are equipped with the polymerization pipeline of body coupling and tilt up about the cylinder storehouse, turn over and dial the ware including turning over and dial the ware body, it evenly is equipped with four to turn over and dial the ware circumference, four turn over and dial the equal rigid coupling of ware body in the middle part of main shaft, both ends rotate the center of connecting both ends around the cylinder storehouse respectively around the main shaft, the output shaft and the main shaft rigid coupling of low-speed motor, the low-speed motor rigid coupling is at the rear end in the cylinder storehouse, the lower extreme rigid coupling electric putter of electromagnet, the electromagnet sets up the lower extreme in the cylinder storehouse, the interior terminal surface of electromagnet and the interior terminal surface in the cylinder storehouse are on a virtual circle.

The magnetic separator further comprises a sand inlet bin, an inclined bottom and side pipelines, wherein the upper ends of the two polymerization pipelines are integrally connected with the side pipelines, the two sides of the lower end of the sand inlet bin are respectively and integrally connected with the two side pipelines, the inclined bottom is arranged in the middle of the lower end of the sand inlet bin, and the left end and the right end of the inclined bottom are integrally connected with the two side pipelines.

The turnover poking device further comprises a follow-up inner body, an inner rod, a limiting part and an inner plate, the turnover poking device body is in sliding connection with the follow-up inner body, the upper end of the follow-up inner body is fixedly connected with the inner rod, the inner rod is in sliding connection with the inner plate, the inner plate is fixedly connected to the middle part in the turnover poking device body, the limiting part is fixedly connected to the upper end of the inner rod, and the lower end of the limiting part is in contact with the upper end of the inner.

The turning and poking device further comprises a compression spring I, the inner rod is sleeved with the compression spring I, and the upper end and the lower end of the compression spring I are respectively in contact with the inner plate and the follow-up inner body.

This magnet separator still includes the swivel mount, motor I, well storehouse, arrange the strange storehouse and return husky storehouse, the swivel mount rigid coupling is at the middle part of I output shaft of motor, well storehouse rigid coupling and intercommunication are at the lower extreme in cylindrical storehouse, the electric putter rigid coupling is in the upper end of swivel mount, the output shaft of motor I rotates the connection and connects both ends about well storehouse, I rigid coupling of motor is in the outer end in well storehouse, arrange the strange storehouse rigid coupling and communicate the front end at well storehouse upside, return husky storehouse rigid coupling and communicate the rear end at well storehouse upside.

The magnetic separator also comprises a four-way bin, a connecting part, a communicating bin, suction parts and a dust collecting mechanism, wherein the lower end of the four-way bin is fixedly connected and communicated with the connecting part, the lower end of the connecting part is fixedly connected and communicated with the upper end of the cylindrical bin, the front end and the rear end of the upper end of the four-way bin are fixedly connected and communicated with one communicating bin, the upper ends of the two communicating bins are fixedly connected and communicated with the suction parts, and the two suction parts are respectively arranged at the front end and the rear end of the upper end of the; the dust collecting mechanism comprises a suction bin, a motor II, fan blades, an inlet pipe, a ring part, a clamping ring, a compression spring II and a dust collecting bag, wherein the upper end of the suction bin is fixedly connected with the motor II, an output shaft of the motor II is rotatably connected to the suction bin, a plurality of fan blades are uniformly and fixedly connected to the output shaft of the motor II in the circumferential direction, the inlet pipe is fixedly connected and communicated with the lower end of the suction bin, the lower end of the inlet pipe is integrally connected with the ring part, the clamping ring is slidably connected to the inlet pipe, the upper end of the clamping ring is uniformly and fixedly connected to the lower ends of the compression springs II in the circumferential direction, the upper end of the compression spring II is fixedly connected to the lower end of the suction bin, a dust inlet is arranged at the upper end of the dust collecting bag, the whole dust collecting bag is composed of the filter screen, the upper end face of the dust collecting bag is close to the dust inlet and is composed of, the suction bin is fixedly connected and communicated with the four-way bin.

The inner end surface of the mesh is sealed by elastic ropes.

The dust collecting mechanism further comprises a protection bin and a bin door, the lower end of the suction bin is fixedly connected with the protection bin with an upper opening, the rear end of the protection bin is hinged with one end of the bin door, the other end of the bin door is connected to the protection bin through a bolt and tongue inserting assembly, and an air outlet is formed in the bin door.

The dust collecting mechanism is provided with two suction bins which are fixedly connected and communicated with the left end and the right end of the four-way bin respectively.

The magnetic separation method adopting the magnetic separator comprises the following steps:

firstly, throwing sand into a sand inlet bin from top to bottom, generating raise dust after the sand contacts an inclined bottom, and shunting and carrying out primary dust removal;

step two, carrying out iron removal and secondary dust removal on the shunted sand;

and step three, classifying and collecting the sand and the iron.

The magnetic separator has the beneficial effects that:

the air flow has two routes, one route is that the suction part sucks the raised dust generated around the inclined bottom, and the raised dust sequentially passes through the communicating bin, the four-way bin, the suction bin and the inlet pipe and finally enters the dust collecting bag, and the dust is collected in the dust collecting bag. And secondly, when the sand is overturned in the cylindrical bin, the dust moves upwards and the sand loaded between the two overturning devices passes through the connecting part, the dust sequentially passes through the connecting part four-way bin along with the air, the suction bin and the inlet pipe and finally enters the dust collection bag, and then the sand is dedusted twice, so that the dedusting is thorough, and the dedusting is carried out when the feeding and magnetic separation are carried out, and the working efficiency is high.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the overall construction of a magnetic separator according to the present invention;

FIG. 2 is a schematic overall cross-sectional structural view of the present invention;

FIG. 3 is a partial schematic view of the first embodiment of the present invention;

FIG. 4 is a second partial structural view of the present invention;

FIG. 5 is a third schematic view of a portion of the present invention;

FIG. 6 is a fourth schematic view of a portion of the present invention;

FIG. 7 is a schematic diagram of a portion of the present invention;

FIG. 8 is a sixth schematic view of a portion of the present invention;

FIG. 9 is a seventh schematic view of a portion of the present invention;

FIG. 10 is a schematic view eight of a portion of the structure of the present invention;

FIG. 11 is a partial schematic illustration nine of the present invention;

fig. 12 is a partial schematic structural diagram of the present invention.

In the figure: entering a sand silo 1; a sloping bottom 101; a side pipe 102; a polymerization line 103; a cylindrical bin 104; a turning device 2; a toggle body 201; follow-up with the inner body 202; an inner rod 203; a stopper 204; an inner plate 205; a compression spring I206; an electric push rod 3; an electromagnet 301; a transposition 302; a motor I303; a middle bin 4; a rejection bin 401; a sand return bin 402; a four-way bin 5; a connecting portion 501; a communication bin 502; a suction portion 503; a dust collecting mechanism 6; an inhalation chamber 601; a motor II 602; fan blades 603; an inlet tube 604; a ring portion 605; a clamping ring 606; a compression spring II 607; a dust bag 608; a bungee cord 609; a protection bin 610; a bin gate 611; a low-speed motor 7; a main shaft 8.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in the figure, the magnetic separator comprises a polymerization pipeline 103, a cylindrical bin 104 and a turning and stirring device 2, the electric push rod 3, the electromagnet 301, the low-speed motor 7 and the spindle 8, the left end and the right end of the cylindrical bin 104 are respectively provided with an integrally connected and upwardly inclined polymerization pipeline 103, the turning device 2 comprises a turning device body 201, four turning device bodies 201 are uniformly arranged in the circumferential direction of the turning device 2, the four turning device bodies 201 are fixedly connected to the middle of the spindle 8, the front end and the rear end of the spindle 8 are respectively and rotatably connected to the centers of the front end and the rear end of the cylindrical bin 104, the output shaft of the low-speed motor 7 is fixedly connected with the spindle 8, the low-speed motor 7 is fixedly connected to the rear end of the cylindrical bin 104, the lower end of the electromagnet 301 is fixedly connected with the electric push rod 3, the electromagnet 301 is arranged at the lower end of the cylindrical bin 104, the inner end face of the electromagnet 301 and the inner end face of the cylindrical bin. Put into two polymerization pipelines 103 with sand, sand assembles in cylindrical bin 104 through the guide of gravity and inclined plane, start low-speed motor 7, the output shaft of low-speed motor 7 drives main shaft 8 and rotates, main shaft 8 drives and turns over and dial 2 and rotate, it rotates and continuously stirs the sand in cylindrical bin 104 to turn over and dial ware body 201, and then accumulational sand is final can be fully close to with the contact of electromagnet 301, and then electromagnet 301 holds the iron that sand carried, the realization carries out careful complete deironing to accumulational sand. After iron is adsorbed, the electric push rod 3 is started, the electric push rod 3 drives the electromagnet 301 to descend, sand falls after the electromagnet 301 descends, sand staying on the electromagnet 301 is pushed away, and after the sand is collected, the electromagnet 301 is stopped being electrified to collect iron. The magnetic separation in this way can remove iron sufficiently regardless of the increase or decrease in the volume of the cylindrical bin 104.

The second embodiment is as follows:

as shown in the figure, the magnetic separator further comprises a sand inlet bin 1, an inclined bottom 101 and side pipelines 102, the upper ends of the two polymerization pipelines 103 are integrally connected with the side pipelines 102, two sides of the lower end of the sand inlet bin 1 are respectively and integrally connected with the two side pipelines 102, the inclined bottom 101 is arranged in the middle of the lower end of the sand inlet bin 1, and the left end and the right end of the inclined bottom 101 are integrally connected with the two side pipelines 102. Through throwing in sand to going into husky storehouse 1, and then can concentrate from a department and throw in sand, reduce the difficulty of throwing in.

The third concrete implementation mode:

as shown in the figure, the flipping and poking device 2 further comprises a following inner body 202, an inner rod 203, a limiting part 204 and an inner plate 205, the following inner body 202 is connected in the flipping and poking device body 201 in a sliding manner, the inner rod 203 is fixedly connected to the upper end of the following inner body 202, the inner rod 203 is connected to the inner plate 205 in a sliding manner, the inner plate 205 is fixedly connected to the middle part of the flipping and poking device body 201, the limiting part 204 is fixedly connected to the upper end of the inner rod 203, and the lower end of the limiting part 204 is in contact with the upper. The distance between the lower end of the flipper body 201 and the electromagnet 301 at the time of plugging is preferably 2 to 10 cm. When the lower extreme of spacing portion 204 and the upper end contact of inner panel 205, when following in endosome 202 and rotate through the below, the outer end of self can be laminated with the up end of electromagnet 301, and then can fully stir husky, makes the below accumulational husky get back to the top again, and the husky of other positions falls to the below, and after adsorbing iron on electromagnet 301, it can the adaptability through electromagnet 301 to retract to follow in endosome 202, avoids pulling away the iron that adsorbs fixed.

The fourth concrete implementation mode:

as shown in the figure, the turning device 2 further comprises a compression spring i 206, the inner rod 203 is sleeved with the compression spring i 206, and the upper end and the lower end of the compression spring i 206 are respectively contacted with the inner plate 205 and the follow-up inner body 202. The compression spring i 206 improves the return performance of the inner body 202.

The fifth concrete implementation mode:

as shown in the figure, this magnet separator still includes swivel mount 302, motor I303, well storehouse 4, arrange strange storehouse 401 and return husky storehouse 402, swivel mount 302 rigid coupling is at the middle part of I303 output shaft of motor, well storehouse 4 rigid coupling and the lower extreme of intercommunication at

cylindrical bin

104, 3 rigid couplings of electric putter are in swivel mount 302's upper end, the output shaft of motor I303 rotates the connection and is connected both ends about well storehouse 4, motor I303 rigid coupling is in the outer end of well storehouse 4, arrange strange storehouse 401 rigid coupling and the front end of intercommunication at well storehouse 4 upside, return husky storehouse 402 rigid coupling and the rear end of intercommunication at well storehouse 4 upside. After the electric push rod 3 drives the electromagnet 301 to descend, the motor I303 is started to drive the rotary base 302 to rotate towards one side, the electric push rod 3 and the electromagnet 301 are inclined towards one side in order to clean sand, then the motor I303 drives the rotary base 302 to rotate towards the other side in order to incline the electric push rod 3 and the electromagnet 301 towards the other side, then the electromagnet 301 is stopped to be electrified, iron is inclined towards the other side, and then the sand and iron are discharged in a classified position.

The sixth specific implementation mode:

as shown in the figure, the magnetic separator further comprises a four-way bin 5, a connecting part 501, a connecting bin 502, a suction part 503 and a dust collecting mechanism 6, wherein the lower end of the four-way bin 5 is fixedly connected and communicated with the connecting part 501, the lower end of the connecting part 501 is fixedly connected and communicated with the upper end of the cylindrical bin 104, the front end and the rear end of the upper end of the four-way bin 5 are fixedly connected and communicated with one connecting bin 502, the upper ends of the two connecting bins 502 are fixedly connected and communicated with the suction part 503, and the two suction parts 503 are respectively arranged at the front end and the rear end of the; the dust collecting mechanism 6 comprises a suction bin 601, a motor II 602, fan blades 603, an inlet pipe 604, a ring part 605, a clamping ring 606, a compression spring II 607 and a dust collecting bag 608, the upper end of the suction bin 601 is fixedly connected with the motor II 602, the output shaft of the motor II 602 is rotatably connected to the suction bin 601, a plurality of fan blades 603 are uniformly and circumferentially fixedly connected to the output shaft of the motor II 602, the inlet pipe 604 is fixedly connected and communicated with the lower end of the suction bin 601, the lower end of the inlet pipe 604 is integrally connected with the ring part 605, the clamping ring 606 is slidably connected to the inlet pipe 604, the upper end of the clamping ring 606 is uniformly and circumferentially fixedly connected with the lower ends of the compression springs II 607, the upper end of the compression spring II 607 is fixedly connected to the lower end of the suction bin 601, the upper end of the dust collecting bag 608 is provided with a dust inlet, the dust collecting bag 608 is integrally formed by a filter screen, the upper end face of the dust collecting bag 608 is, the woven net and the filter screen on the periphery of the woven net are clamped and fixed by a clamping ring 606 and a ring part 605, and the suction bin 601 is fixedly connected and communicated with the four-way bin 5. When sand falls on the inclined bottom 101, raise dust can be generated, and when the turning device 2 turns over the sand, raise dust can also be generated, so that the raise dust positions are arranged in the upper direction and the lower direction. The motor II 602 is started, the output shaft of the motor II 602 drives the fan blades 603 to rotate, air is conveyed from top to bottom by the rotation of the fan blades 603, and then air flow has two routes. Firstly, the suction part 503 sucks the raised dust generated around the inclined bottom 101, and the raised dust sequentially passes through the communicating bin 502, the four-way bin 5, the suction bin 601 and the inlet pipe 604 and finally enters the dust bag 608, the dust bag 608 collects the dust therein, the dust bag 608 can pass through the air but cannot pass through the dust, and the filter screen made into the dust bag 608 can be a primary filter screen. Secondly, when the sand is overturned in the cylindrical bin 104, the dust moves upwards, and when the sand loaded between the two overturning devices 2 passes through the connecting part 501, the dust sequentially passes through the four-way bin 5 of the connecting part 501, the suction bin 601 and the inlet pipe 604 along with the air and finally enters the dust collection bag 608, so that the sand is dedusted twice, the dedusting is thorough, the dedusting is carried out during the feeding and magnetic separation, and the working efficiency is high.

The seventh embodiment:

as shown, the inner end face of the mesh is sealed by bungee cord 609. The bungee cord 609 increases the ease of donning and the durability of the dirt bag 608.

The specific implementation mode is eight:

as shown in the figure, the dust collecting mechanism 6 further includes a protection bin 610 and a bin door 611, the lower end of the suction bin 601 is fixedly connected with the protection bin 610 with an upper opening, the rear end of the protection bin 610 is hinged with one end of the bin door 611, the other end of the bin door 611 is connected to the protection bin 610 through a bolt and tongue assembly, and the bin door 611 is provided with an air outlet. The protection bin 610 and the bin door 611 discharge air backward, allowing the air to be discharged in one flow direction without generation of a turbulent flow, and protect the dust bag 608, and opening the bin door 611 facilitates replacement of the dust bag 608.

The specific implementation method nine:

as shown in the figure, two dust collecting mechanisms 6 are provided, and the two suction bins 601 are respectively fixedly connected and communicated with the left end and the right end of the four-way bin 5. The dust collecting mechanism 6 is provided with two rear dust removing efficiency is improved, and referring to fig. 1 and 2, the arrangement mode makes full use of the space layout, so that the machine can obtain the performance improvement without increasing the occupied space volume.

The detailed implementation mode is ten:

as shown in the figure, the magnetic separation method of the magnetic separator is characterized by comprising the following steps:

firstly, sand is put into a sand inlet bin 1 from top to bottom, raised dust is generated after the sand contacts an inclined bottom 101, and shunting and primary dust removal are carried out;

and step three, classifying and collecting the sand and the iron.

The magnetic separator of the invention has the working principle that:

put into two polymerization pipelines 103 with sand, sand assembles in cylindrical bin 104 through the guide of gravity and inclined plane, start low-speed motor 7, the output shaft of low-speed motor 7 drives main shaft 8 and rotates, main shaft 8 drives and turns over and dial 2 and rotate, it rotates and continuously stirs the sand in cylindrical bin 104 to turn over and dial ware body 201, and then accumulational sand is final can be fully close to with the contact of electromagnet 301, and then electromagnet 301 holds the iron that sand carried, the realization carries out careful complete deironing to accumulational sand. After iron is adsorbed, the electric push rod 3 is started, the electric push rod 3 drives the electromagnet 301 to descend, sand falls after the electromagnet 301 descends, sand staying on the electromagnet 301 is pushed away, and after the sand is collected, the electromagnet 301 is stopped being electrified to collect iron. Through throwing in sand to going into husky storehouse 1, and then can concentrate from a department and throw in sand, reduce the difficulty of throwing in. The distance between the lower end of the flipper body 201 and the electromagnet 301 at the time of plugging is preferably 2 to 10 cm. When the lower extreme of spacing portion 204 and the upper end contact of inner panel 205, when following in endosome 202 and rotate through the below, the outer end of self can be laminated with the up end of electromagnet 301, and then can fully stir husky, makes the below accumulational husky get back to the top again, and the husky of other positions falls to the below, and after adsorbing iron on electromagnet 301, it can the adaptability through electromagnet 301 to retract to follow in endosome 202, avoids pulling away the iron that adsorbs fixed. The compression spring i 206 improves the return performance of the inner body 202. After the electric push rod 3 drives the electromagnet 301 to descend, the motor I303 is started to drive the rotary base 302 to rotate towards one side, the electric push rod 3 and the electromagnet 301 are inclined towards one side in order to clean sand, then the motor I303 drives the rotary base 302 to rotate towards the other side in order to incline the electric push rod 3 and the electromagnet 301 towards the other side, then the electromagnet 301 is stopped to be electrified, iron is inclined towards the other side, and then the sand and iron are discharged in a classified position. When sand falls on the inclined bottom 101, raise dust can be generated, and when the turning device 2 turns over the sand, raise dust can also be generated, so that the raise dust positions are arranged in the upper direction and the lower direction. The motor II 602 is started, the output shaft of the motor II 602 drives the fan blades 603 to rotate, air is conveyed from top to bottom by the rotation of the fan blades 603, and then air flow has two routes. Firstly, the suction part 503 sucks the raised dust generated around the inclined bottom 101, and the raised dust sequentially passes through the communicating bin 502, the four-way bin 5, the suction bin 601 and the inlet pipe 604 and finally enters the dust bag 608, the dust bag 608 collects the dust therein, the dust bag 608 can pass through the air but cannot pass through the dust, and the filter screen made into the dust bag 608 can be a primary filter screen. Secondly, when the sand is overturned in the cylindrical bin 104, the dust moves upwards, and when the sand loaded between the two overturning devices 2 passes through the connecting part 501, the dust sequentially passes through the four-way bin 5 of the connecting part 501, the suction bin 601 and the inlet pipe 604 along with the air and finally enters the dust collection bag 608, so that the sand is dedusted twice, the dedusting is thorough, the dedusting is carried out during the feeding and magnetic separation, and the working efficiency is high. The bungee cord 609 increases the ease of donning and the durability of the dirt bag 608. The protection bin 610 and the bin door 611 discharge air backward, allowing the air to be discharged in one flow direction without generation of a turbulent flow, and protect the dust bag 608, and opening the bin door 611 facilitates replacement of the dust bag 608. The dust collecting mechanism 6 is provided with two rear dust removing efficiency is improved, and referring to fig. 1 and 2, the arrangement mode makes full use of the space layout, so that the machine can obtain the performance improvement without increasing the occupied space volume. Referring to fig. 1, the present invention may support the whole body by a conventional support structure.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a magnetic separator, includes polymerization pipeline (103), cylinder storehouse (104), turns over and dials ware (2), electric putter (3), electromagnet (301), low-speed motor (7) and main shaft (8), its characterized in that: the left end and the right end of the cylindrical bin (104) are respectively provided with a polymerization pipeline (103) which are integrally connected and inclined upwards, the turning device (2) comprises a turning device body (201), the number of the turning devices (2) is four, the four turning device bodies (201) are fixedly connected to the middle of the spindle (8), the front end and the rear end of the spindle (8) are respectively rotatably connected to the centers of the front end and the rear end of the cylindrical bin (104), an output shaft of a low-speed motor (7) is fixedly connected with the spindle (8), the low-speed motor (7) is fixedly connected to the rear end of the cylindrical bin (104), the lower end of an electromagnet (301) is fixedly connected with an electric push rod (3), the electromagnet (301) is arranged at the lower end of the cylindrical bin (104), the inner end face of the electromagnet (301) and the inner end face of the cylindrical bin (104) are on a virtual circle, the lower end of the cylindrical bin (104) is provided with an.

2. The magnetic separator recited in claim 1 wherein: the magnetic separator further comprises a sand inlet bin (1), an inclined bottom (101) and side pipelines (102), wherein the upper ends of the two polymerization pipelines (103) are integrally connected with the side pipelines (102), two sides of the lower end of the sand inlet bin (1) are respectively and integrally connected with the two side pipelines (102), the middle of the lower end of the sand inlet bin (1) is provided with the inclined bottom (101), and the left end and the right end of the inclined bottom (101) are integrally connected with the two side pipelines (102).

3. The magnetic separator recited in claim 2 or 1 wherein: the turnover and poking device (2) further comprises a follow-up inner body (202), an inner rod (203), a limiting part (204) and an inner plate (205), the turnover and poking device body (201) is connected with the inner body (202) in a sliding mode, the inner rod (203) is fixedly connected to the upper end of the follow-up inner body (202), the inner rod (203) is connected to the inner plate (205) in a sliding mode, the inner plate (205) is fixedly connected to the middle of the interior of the turnover and poking device body (201), the limiting part (204) is fixedly connected to the upper end of the inner rod (203), and the lower end of the limiting part (204) is in contact with the upper end.

4. The magnetic separator recited in claim 3 wherein: the turning and stirring device (2) further comprises a compression spring I (206), the inner rod (203) is sleeved with the compression spring I (206), and the upper end and the lower end of the compression spring I (206) are respectively in contact with the inner plate (205) and the follow-up inner body (202).

5. The magnetic separator recited in claim 4 wherein: this magnet separator still includes swivel mount (302), motor I (303), well storehouse (4), arrange strange storehouse (401) and return husky storehouse (402), swivel mount (302) rigid coupling is at the middle part of motor I (303) output shaft, well storehouse (4) rigid coupling and intercommunication are at the lower extreme in cylinder storehouse (104), electric putter (3) rigid coupling is in the upper end of swivel mount (302), the output shaft of motor I (303) rotates the connection and is connected both ends about well storehouse (4), motor I (303) rigid coupling is in the outer end of well storehouse (4), arrange strange storehouse (401) rigid coupling and communicate the front end at well storehouse (4) upside, return husky storehouse (402) rigid coupling and communicate the rear end at well storehouse (4) upside.

6. The magnetic separator recited in claim 5 wherein: the magnetic separator also comprises a four-way bin (5), a connecting part (501), a communicating bin (502), a suction part (503) and a dust collecting mechanism (6), wherein the lower end of the four-way bin (5) is fixedly connected and communicated with the connecting part (501), the lower end of the connecting part (501) is fixedly connected and communicated with the upper end of the cylindrical bin (104), the front end and the rear end of the upper end of the four-way bin (5) are fixedly connected and communicated with one communicating bin (502), the upper ends of the two communicating bins (502) are fixedly connected and communicated with the suction part (503), and the two suction parts (503) are respectively arranged at the front end and the rear end of the upper end of the sand inlet bin (1; the dust collecting mechanism (6) comprises a suction bin (601), a motor II (602), fan blades (603), an inlet pipe (604), a ring part (605), a clamping ring (606), a compression spring II (607) and a dust collecting bag (608), wherein the upper end of the suction bin (601) is fixedly connected with the motor II (602), an output shaft of the motor II (602) is rotatably connected to the suction bin (601), a plurality of fan blades (603) are uniformly and circumferentially fixedly connected to the output shaft of the motor II (602), the inlet pipe (604) is fixedly connected and communicated with the lower end of the suction bin (601), the lower end of the inlet pipe (604) is integrally connected with the ring part (605), the clamping ring (606) is slidably connected to the inlet pipe (604), the upper end of the clamping ring (606) is circumferentially and uniformly and fixedly connected with the lower ends of the compression springs II (607), the upper end of the compression spring II (607) is fixedly connected to the lower end of the suction bin (601), and the upper end, the whole dust collection bag (608) is composed of a filter screen, the position, close to the dust inlet, of the upper end face of the dust collection bag (608) is composed of an elastic woven net, the upper end of the dust collection bag (608) is sleeved on the inlet pipe (604), the woven net and the filter screen on the periphery of the woven net are clamped and fixed through a clamping ring (606) and a ring portion (605), and the suction bin (601) is fixedly connected and communicated with the four-way bin (5).

7. The magnetic separator recited in claim 6 wherein: the inner end surface of the mesh is sealed by an elastic rope (609).

8. The magnetic separator recited in claim 7 wherein: the dust collection mechanism (6) further comprises a protection bin (610) and a bin door (611), the lower end of the suction bin (601) is fixedly connected with the protection bin (610) with an upper opening, the rear end of the protection bin (610) is hinged to one end of the bin door (611), the other end of the bin door (611) is connected to the protection bin (610) through a bolt and tongue assembly, and an air outlet is formed in the bin door (611).

9. The magnetic separator recited in any one of claims 6 to 7 wherein: two dust collecting mechanisms (6) are arranged, and the two suction bins (601) are fixedly connected and communicated with the left end and the right end of the four-way bin (5) respectively.

10. Magnetic separation process using a magnetic separator according to claim 9, characterized in that it comprises the following steps:

firstly, sand is put into a sand inlet bin (1) from top to bottom, raised dust is generated after the sand contacts an inclined bottom (101), and shunting and primary dust removal are carried out;

and step three, classifying and collecting the sand and the iron.