阅读说明：本技术 一种被动散热式磁选机及其控制方法 (Passive heat dissipation type magnetic separator and control method thereof ) 是由 于海蒂 朱清智 屈重年 李果 刘旭焱 韩桂全 于 2020-07-03 设计创作，主要内容包括：本发明涉及一种被动散热式磁选机及其控制方法,包括给料部、分选部、动力部、环形收集部、支撑部和供电部；动力部安装在支撑部上,分选部安装在动力部上,在分选部不转动时,磁性颗粒收集槽上部开口对应分选部的出口,在分选部定速转动时,非磁性颗粒收集槽上部开口对应分选部的出口；分选部采用可调节分选量的冗余安装结构；可以方便调整单位时间内分选量,以及快速排除故障,有效的提高了整个生产线的运行效率；分选部上安装有被动散热装置,被动散热装置和该次选装置配合,有效的提高了电磁线圈的磁场强度和运行寿命。(The invention relates to a passive heat dissipation type magnetic separator and a control method thereof, wherein the passive heat dissipation type magnetic separator comprises a feeding part, a sorting part, a power part, an annular collecting part, a supporting part and a power supply part; the power part is arranged on the supporting part, the sorting part is arranged on the power part, when the sorting part does not rotate, the upper opening of the magnetic particle collecting tank corresponds to the outlet of the sorting part, and when the sorting part rotates at a constant speed, the upper opening of the non-magnetic particle collecting tank corresponds to the outlet of the sorting part; the sorting part adopts a redundant mounting structure capable of adjusting sorting quantity; the sorting quantity in unit time can be conveniently adjusted, the fault can be rapidly eliminated, and the operation efficiency of the whole production line is effectively improved; the passive heat dissipation device is arranged on the sorting part and matched with the secondary sorting device, so that the magnetic field intensity of the electromagnetic coil is effectively improved, and the service life of the electromagnetic coil is prolonged.)

1. A passive heat dissipation type magnetic separator comprises a feeding part (1), a sorting part (2), a power part (3), an annular collecting part (4), a supporting part (5) and a power supply part (6); power portion (3) is installed on supporting part (5), select separately portion (2) and install on power portion (3), its characterized in that: the annular collecting part (4) comprises a magnetic particle collecting tank (41) and a non-magnetic particle collecting tank (42), the magnetic particle collecting tank (41) and the non-magnetic particle collecting tank (42) are both annular, the non-magnetic particle collecting tank (42) is sleeved outside the magnetic particle collecting tank (41), when the sorting part (2) does not rotate, an upper opening of the magnetic particle collecting tank (41) corresponds to an outlet of the sorting part (2), and when the sorting part (2) rotates at a constant speed, an upper opening of the non-magnetic particle collecting tank (42) corresponds to an outlet of the sorting part (2); and a passive heat dissipation device is also arranged on the sorting part (2).

2. The passive heat dissipation magnetic separator according to claim 1, wherein: the sorting part (2) comprises a material receiving box (21), an elastic hose (22) and a magnetic separation part (23); the material receiving box (21) is of a box body structure with a regular polygon cross section, and an opening is formed in the upper part of the material receiving box and used for receiving liquid discharged by the material discharging pipe (14); the side wall of the lower part of the material receiving box (21) is provided with openings, each opening is communicated with a respective magnetic separation part (23) through a respective elastic hose (22), so that liquid enters a magnetic separation pipe (231) of the magnetic separation part (23) through the opening and the elastic hose (22); the magnetic separation part (23) and the corresponding elastic hose (22) are of a detachable and replaceable structure.

3. The passive heat dissipation magnetic separator according to claim 2, wherein: the magnetic separation part (23) is composed of a magnetic separation tube (231), an electromagnetic cavity (232), an electromagnetic coil (233) and a contact switch (234); the outside of magnetic separation pipe (231) is provided with electromagnetism chamber (232), be close to in electromagnetism chamber (232) the position of magnetic separation pipe (231) outer wall is installed solenoid (233), install outside electromagnetism chamber (232) contact switch (234), can after solenoid (233) circular telegram form magnetic field in the pipeline of magnetic separation pipe (231), contact switch (234) are used for control the break-make of solenoid (233) power supply.

4. The passive heat dissipation magnetic separator according to claim 3, wherein: the passive heat dissipation device consists of heat dissipation fins (235), a heat pipe (236) and a heat conduction base (237), the heat conduction base (237) and the outer wall of the electromagnetic cavity (232) are of detachable fixed installation structures, and the heat dissipation fins (235) are installed on the upper portion of the heat conduction base (237); the evaporation section of the heat pipe (236) is arranged in the heat conduction base (237) or the electromagnetic cavity (232), and the condensation section of the heat pipe (236) is arranged in the heat dissipation fin (235).

5. The passive heat dissipation magnetic separator according to claim 4, wherein: the power part (3) comprises a rotating column (31), a contact rod (32), a transmission mechanism (33) and a motor (34); the supporting part (5) comprises a middle supporting frame (51), a bottom supporting frame (52) and a power distribution mounting groove (53), and the middle supporting frame (51) and the power distribution mounting groove (53) are mounted on the bottom supporting frame (52); the power part (3) is arranged on the supporting part (5); the rotating column (31) is of a hollow structure.

6. The passive heat dissipation magnetic separator according to claim 5, wherein: the middle part of the rotary column (31) is rotatably connected with the middle support frame (51) through an upper bearing (511), the lower part of the rotary column (31) is rotatably connected with the power distribution installation groove (53) through a lower bearing (531), the bottom of the rotary column (31) is rotatably connected with the bottom support frame (52) through a bottom bearing (533), the bottom bearing (533) is preferably a thrust bearing, the top of the rotary column (31) is fixedly connected to the central position of the bottom of the material receiving box (21), the motor (34) is installed on the bottom support frame (52), and the motor (34) transmits power to the rotary column (31) through the transmission mechanism (33), so that the rotary column (31) rotates to drive the whole sorting part (2) to rotate; the middle support frame (51) is preferably of a circular truncated cone structure, the power distribution mounting groove (53) is preferably of a rectangular box structure, and the lower bearing (531) and the bottom bearing (533) are arranged inside the power distribution mounting groove (53) and are positioned and fixed through a fixing sleeve (532).

7. The passive heat dissipation magnetic separator according to claim 6, wherein: the contact lever (32) is mounted on the upper portion of the rotary column (31), the distal end of the contact lever (32) is engaged with the contact switch (234), the electromagnetic coil (233) is de-energized when the contact lever (32) contacts the contact switch (234), and the electromagnetic coil (233) is energized when the contact lever (32) does not contact the contact switch (234).

8. The passive heat dissipation magnetic separator according to any one of claims 5-7, wherein: the power supply part (6) comprises a brush (61), a distribution ring (62), a conversion circuit (63), a direct current lead (64) and an elastic spiral lead (65); distribution ring (62) set up in column spinner (31) lower part is located in distribution mounting groove (53), distribution ring (62) are formed by the semi-circular ring butt joint that two conducting material made, two butt joint department all is provided with insulating block (622), brush (61) have two, a connection power positive pole, a connection power negative pole, every brush head and the one that corresponds of brush (61) the semi-circular ring outside contact realizes electrical conduction, every the inboard of semi-circular ring all is connected with a wire, two wires are connected to in converting circuit (63).

9. The passive heat dissipation magnetic separator according to claim 8, wherein: the conversion circuit (63) is in a circuit formed by a rectifier bridge (631) and a voltage stabilizing capacitor (632) and realizes stable direct current output through the direct current lead (64), the electric brush (61) is arranged in the power distribution installation groove (53), and the conversion circuit (63) is arranged in an internal channel of the rotating column (31); direct current wire (64) are followed the interior passageway of column spinner (31) upwards extends, is being close to connect the position of workbin (21) lower part to divide into the multibeam, every bunch direct current wire (64) are followed connect workbin (21) bottom to magnetic separation portion (23) extend, be close to after the position of magnetic separation portion (23) direct current wire (64) pass through elasticity spiral wire (65) electric connection to contact switch (234), through contact switch (234) are for solenoid (233) power supply.

10. A method for controlling a passive heat-dissipation magnetic separator, which uses the passive heat-dissipation magnetic separator as claimed in any one of claims 4 to 9, and is characterized in that the operation mode is as follows:

firstly, the power starting part (3) drives the whole sorting part (2) to rotate, when the rotating speed is stable, an included angle smaller than 90 degrees is formed between the magnetic separation part (23) and the horizontal plane due to the action of centrifugal force, and the outlet of the magnetic separation pipe (231) corresponds to the upper end opening of the annular nonmagnetic particle collecting tank (42); the contact switch (234) is separated from the contact rod (32), the contact switch (234) is closed, and the electromagnetic coil (233) generates a magnetic field in the pipeline of the magnetic separation tube (231) after being electrified; at the moment, the electromagnetic coil (233) is electrified to generate heat, the evaporation section of the heat pipe (236) absorbs the heat generated by the electromagnetic coil (233), the liquid in the wick pipe is boiled into steam, the steam with the heat moves from the evaporation section to the condensation section of the heat pipe radiator, after the steam transfers the heat to the condensation section, the heat is radiated and cooled through the radiating fins (235), the steam is condensed into liquid, the condensed liquid returns to the evaporation section through the capillary action of the wick on the pipe wall, and the circulation process is repeated to continuously radiate the heat; meanwhile, the whole sorting part (2) rotates to drive the whole passive heat dissipation device to rotate, and in the rotating process of the passive heat dissipation device, the heat dissipation fins (235) and air around the heat dissipation fins generate relative motion to accelerate heat exchange between airflow and the heat dissipation fins;

then, feeding is carried out through a feeding part (1), and the materials enter a magnetic separation pipe (231) through an opening on the side wall of the lower part of a material receiving box (21) and an elastic hose (22), ferromagnetic materials in the materials to be separated are adsorbed in a pipeline of the magnetic separation pipe (231) by a magnetic field under the action of the magnetic field, and nonmagnetic materials are discharged into an annular nonmagnetic particle collecting tank (42) through an outlet of the magnetic separation pipe (231);

finally, after the magnetic separator runs for a period of time, the feeding part (1) stops feeding, the power part (3) is closed, the sorting part (2) stops rotating gradually, the action of centrifugal force disappears, the magnetic separation part (23) is perpendicular to the horizontal plane gradually from the outward opening position, at the moment, the outlet of the magnetic separation pipe (231) corresponds to the upper end opening of the annular magnetic particle collecting tank (41), the contact switch (234) is in contact with the contact rod (32), the contact switch (234) is disconnected, the electromagnetic coil (233) is powered off, the magnetic field in the pipeline of the magnetic separation pipe (231) disappears, and ferromagnetic materials in the pipeline of the magnetic separation pipe (231) lose adsorption force and fall into the annular magnetic particle collecting tank (41).

Technical Field

The invention belongs to the field of magnetic separation equipment, and particularly relates to a magnetic separator adopting a passive heat dissipation device and a control method thereof.

Background

Magnetic separation of minerals by magnetic fields has been used for over a hundred years in the history of mineral extraction by human beings, and is widely applied to resource recovery, and application occasions of wood industry, mining industry, kiln industry, chemistry, biology, food and the like.

Disclosure of Invention

In order to solve the problems, the invention designs a passive heat dissipation type magnetic separator with a novel structure, and the technical scheme is as follows:

a passive heat dissipation type magnetic separator comprises a feeding part, a sorting part, a power part, an annular collecting part, a supporting part and a power supply part; the power portion install on the supporting part, select separately the portion install on the power portion, its characterized in that: the annular collecting part comprises a magnetic particle collecting tank and a non-magnetic particle collecting tank which are both annular, the non-magnetic particle collecting tank is sleeved outside the magnetic particle collecting tank, an upper opening of the magnetic particle collecting tank corresponds to an outlet of the sorting part when the sorting part does not rotate, and the upper opening of the non-magnetic particle collecting tank corresponds to the outlet of the sorting part when the sorting part rotates at a constant speed; and a passive heat dissipation device is also arranged on the sorting part.

Further, the sorting part comprises a material receiving box, an elastic hose and a magnetic separation part; the material receiving box is of a box body structure with a regular polygon cross section, and an opening is formed in the upper part of the material receiving box and used for receiving liquid discharged by the material discharging pipe; the side wall of the lower part of the material receiving box is provided with an opening, each opening is communicated with a respective magnetic separation part through a respective elastic hose, so that liquid enters a magnetic separation pipe of the magnetic separation part through the opening and the elastic hose; the magnetic separation part and the corresponding elastic hose are of detachable and replaceable structures.

Furthermore, the magnetic separation part is composed of a magnetic separation tube, an electromagnetic cavity, an electromagnetic coil and a contact switch; the outside of magnetic separation pipe is provided with the electromagnetism chamber, be close to in the electromagnetism chamber the position of magnetic separation pipe outer wall is installed solenoid, install outside the electromagnetism chamber contact switch, can after the solenoid circular telegram form the magnetic field in the pipeline of magnetic separation pipe, contact switch is used for control the break-make of solenoid power supply.

Furthermore, the passive heat dissipation device consists of heat dissipation fins, a heat pipe and a heat conduction base (237), the heat conduction base and the outer wall of the electromagnetic cavity are of detachable fixed installation structures, and the heat dissipation fins are installed on the upper portion of the heat conduction base; the evaporation section of the heat pipe is arranged in the heat conduction base or the electromagnetic cavity, and the condensation section of the heat pipe is arranged in the radiating fin.

Further, the power part comprises a rotating column, a contact rod, a transmission mechanism and a motor; the supporting part comprises a middle supporting frame, a bottom supporting frame and a power distribution mounting groove, and the middle supporting frame and the power distribution mounting groove are both mounted on the bottom supporting frame; the power part is arranged on the supporting part; the rotating column is of a hollow structure.

Furthermore, the middle part of the rotary column is rotatably connected with the middle support frame through an upper bearing, the lower part of the rotary column is rotatably connected with the power distribution mounting groove through a lower bearing, the bottom of the rotary column is rotatably connected with the bottom support frame through a bottom bearing, the bottom bearing is preferably a thrust bearing, the top of the rotary column is fixedly connected to the central position of the bottom of the material receiving box, the motor is mounted on the bottom support frame, and the motor transmits power to the rotary column through the transmission mechanism, so that the rotary column rotates to drive the whole sorting part to rotate; the middle support frame is preferably of a round table structure, the power distribution mounting groove is preferably of a rectangular box structure, and the lower bearing and the bottom bearing are arranged inside the power distribution mounting groove and are fixed in position through a fixing sleeve.

Further, the contact lever is mounted on an upper portion of the rotary post, a distal end of the contact lever is engaged with the contact switch, the electromagnetic coil is de-energized when the contact lever contacts the contact switch, and the electromagnetic coil is energized when the contact lever does not contact the contact switch.

Further, the power supply part comprises a brush, a distribution ring, a conversion circuit, a direct current lead and an elastic spiral lead; the distribution ring sets up the column spinner lower part is located in the distribution mounting groove, the distribution ring is formed by the semi-circular ring butt joint that two conducting material made, two the butt joint department all is provided with the insulating block, the brush has two, and a connection power is anodal, and a connection power negative pole, every the brush head of brush and one rather than corresponding the contact in the semi-circular ring outside realizes the electrical property and switches on, every the inboard of semi-circular ring all is connected with a wire, and two wires are connected to among the converting circuit.

Further, the conversion circuit is used for realizing stable direct current output through the direct current lead by a circuit formed by a rectifier bridge and a voltage stabilizing capacitor, the electric brush is arranged in the power distribution installation groove, and the conversion circuit is arranged in the inner channel of the rotary column; the direct current wire is along the internal channel of column spinner upwards extends, is being close to the position of material receiving box lower part divides into the multibeam, every bunch direct current wire is along material receiving box bottom to the magnetic separation portion extends, is being close to behind the position of magnetic separation portion the direct current wire passes through elasticity spiral wire electric connection to contact switch, through contact switch is for the solenoid supplies power.

A control method of a passive heat dissipation type magnetic separator adopts the passive heat dissipation type magnetic separator and is characterized in that the operation mode is as follows:

firstly, starting a power part to drive the whole sorting part to rotate, wherein when the rotating speed is stable, an included angle smaller than 90 degrees is formed between a magnetic separation part and a horizontal plane under the action of centrifugal force, and an outlet of a magnetic separation pipe corresponds to an upper end opening of an annular nonmagnetic particle collecting tank; the contact switch is disconnected with the contact rod, the contact switch is closed, and the electromagnetic coil generates a magnetic field in the pipeline of the magnetic separation tube after being electrified; when the electromagnetic coil is electrified to generate heat, the evaporation section of the heat pipe absorbs the heat generated by the electromagnetic coil, the liquid in the wick tube of the heat pipe is boiled into steam, the steam with the heat moves from the evaporation section to the condensation section of the heat pipe radiator, after the steam transmits the heat to the condensation section, the steam is condensed into liquid through the heat dissipation and temperature reduction of the heat dissipation fins, the condensed liquid returns to the evaporation section through the capillary action of the wick on the pipe wall, and the circulation process is repeated to dissipate the heat continuously; meanwhile, the whole sorting part rotates to drive the whole passive heat dissipation device to rotate, and in the rotating process of the passive heat dissipation device, the heat dissipation fins and air around the heat dissipation fins generate relative motion to accelerate heat exchange between airflow and the heat dissipation fins;

then, feeding is carried out through a feeding part, and the materials enter a magnetic separation pipe through an opening in the side wall of the lower part of a material receiving box and an elastic hose, ferromagnetic materials in the materials to be separated are adsorbed in a pipeline of the magnetic separation pipe by a magnetic field under the action of the magnetic field, and nonmagnetic materials are discharged into an annular nonmagnetic particle collecting tank through an outlet of the magnetic separation pipe;

finally, after operation a period of time, the feed portion stops the feed, power portion closes, sorting unit stop gradually rotates, the effect of centrifugal force disappears, magnetic separation portion is perpendicular to the horizontal plane gradually by outside open position, the export of magnetic separation pipe corresponds the upper end opening of annular magnetic particle collecting vat this moment, contact between contact switch and the contact lever, the contact switch disconnection, solenoid cuts off the power supply, the magnetic field in the magnetic separation pipe pipeline disappears, ferromagnetic material in the magnetic separation pipe pipeline loses the adsorption affinity and falls into annular magnetic particle collecting vat.

Compared with the prior art, the invention has the beneficial effects that:

1. the passive heat dissipation type magnetic separator with the new structure is adopted, the heat dissipation of the passive heat dissipation device for the electromagnetic coil is realized through the unique magnetic separation operation structure, the whole passive heat dissipation device is driven to rotate when the magnetic separator works, the heat dissipation fins and the air around the heat dissipation fins generate relative motion in the rotating process of the passive heat dissipation device, the heat exchange effect of air flow and the heat dissipation fins is accelerated, meanwhile, the heat pipe structure is added, the heat dissipation capacity of the passive heat dissipation device is greatly improved, the effect of exceeding the active heat dissipation device even is achieved, meanwhile, the use of energy dissipation components in the existing heat dissipation technology is reduced, the equipment volume is reduced, and the energy is saved.

2. The shape of the material receiving box in the sorting part can be set to expand the sorting amount in unit time, and the number of the opening sides and the magnetic separation parts connected with the opening sides can be selectively increased or decreased according to the actual sorting requirement, so that the purpose of adjusting the sorting amount in unit time is achieved; meanwhile, a redundant installation mode can be adopted, when one or more magnetic separation parts have faults, the magnetic separation part with the faults can be conveniently and directly replaced, or the magnetic separation part with the faults is sealed, the work of other normal magnetic separation parts is not influenced, the operation efficiency of the whole production line is effectively improved, and the magnetic separator has a wide application prospect.

Drawings

FIG. 1 is a main view of a magnetic separator according to one embodiment;

FIG. 2 is a sectional view of the main structure of a magnetic separator according to one embodiment;

FIG. 3 is a sectional view of the main structure of a magnetic separator in a rotating state according to the first embodiment;

FIG. 4 is a top view of a magnetic separator according to the first embodiment in a rotating state;

FIG. 5 is a sectional view of the main structure of a magnetic separator in the second embodiment;

FIG. 6 is a top view of the magnetic separator of the second embodiment;

FIG. 7 is the main view of the magnetic separator in the third embodiment;

FIG. 8 is a sectional view showing the main structure of a magnetic separator in the third embodiment;

FIG. 9 shows a detailed structure of a power supply unit of a magnetic separator;

FIG. 10 is a top view structural view of a plural kinds of sorting units according to a fourth embodiment;

FIG. 11 shows a magnetic separator with passive heat dissipation device in the fifth embodiment.

Description of the reference numerals

1. A feeding section; 11. an upper bracket; 12. a flush pipe; 121. a low pressure flush pipe; 122. a high pressure flush pipe; 13. a slurry pipe; 14. a discharge pipe; 141. discharging and necking; 15. feeding a hopper;

2. a sorting section; 21. a material receiving box; 211. a baffle plate; 212. a material separating cone; 22. an elastic hose; 23. a magnetic separation section; 231. a magnetic separation tube; 232. an electromagnetic cavity; 233. an electromagnetic coil; 234. a contact switch; 235. a heat dissipating fin; 236. a heat pipe; 237. a thermally conductive base;

3. a power section; 31. a spin column; 32. a contact lever; 33. a transmission mechanism; 34. a motor;

4. an annular collecting portion; 41. a magnetic particle collection tank; 42. a non-magnetic particle collection tank;

5. a support portion; 51. a middle support frame; 511. an upper bearing; 52. a bottom support frame; 53. a power distribution mounting groove; 531. a lower bearing; 532. fixing a sleeve; 533. a bottom bearing;

6. a power supply unit; 61. an electric brush; 62. a distribution ring; 622. an insulating block; 63. a conversion circuit; 631. a rectifier bridge; 632. a voltage stabilizing capacitor; 64. a direct current lead; 65. an elastic spiral wire.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to the following specific examples.