CN113426573A - Permanent magnet drum type concentration magnetic separator and magnetic separation method thereof - Google Patents
Permanent magnet drum type concentration magnetic separator and magnetic separation method thereof Download PDFInfo
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- CN113426573A CN113426573A CN202110791089.8A CN202110791089A CN113426573A CN 113426573 A CN113426573 A CN 113426573A CN 202110791089 A CN202110791089 A CN 202110791089A CN 113426573 A CN113426573 A CN 113426573A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
- B03C1/12—Magnetic separation acting directly on the substance being separated with cylindrical material carriers with magnets moving during operation; with movable pole pieces
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Abstract
本发明公开了一种永磁筒式精选磁选机，包括筒体，所述的筒体上部开设进矿口，筒体底部分别设置有尾矿口和精矿口，筒体的空腔内安装有导料滚筒，导料滚筒外部加工有螺旋槽，导料滚筒内部设置有若干轭板，轭板上固定磁系，磁系沿导料滚筒的轴向安装并延伸至精矿口处，导料滚筒通过主轴和电机降速后驱动，所述的精矿口位于筒体的末端，筒体两端通过轴承座支撑主轴，所述的轭板和磁系沿着导料滚筒的内壁安装，磁系长度超过尾矿口的尺寸。本装置通过将磁系设在导料滚筒内部被包裹，利用磁场叠加和增加导料滚筒外物料的磁翻转次数来提供有用矿物的回收率和品位。
The invention discloses a permanent magnet drum type concentrating magnetic separator, which comprises a drum body, an ore inlet is set at the upper part of the drum body, a tailings port and a concentrate port are respectively arranged at the bottom of the drum body, and the cavity of the drum body is provided with a tailings port and a concentrate port respectively. A guide roller is installed inside, a spiral groove is processed on the outside of the guide roller, a number of yoke plates are arranged inside the guide roller, and a magnetic system is fixed on the yoke plate. The magnetic system is installed along the axial direction of the guide roller and extends to the concentrate port. , the guide roller is driven by the main shaft and the motor after decelerating, the concentrate port is located at the end of the cylinder body, the two ends of the cylinder body are supported by the bearing seat, the yoke plate and the magnetic system are along the inner wall of the guide roller installed, the length of the magnetic system exceeds the size of the tailings mouth. The device provides the recovery rate and grade of useful minerals by arranging the magnetic system inside the material-guiding drum to be wrapped, and utilizing the superposition of the magnetic field and increasing the number of magnetic flips of the material outside the material-guiding drum.
Description
Technical Field
The invention relates to the technical field of improved design of a drum type magnetic separator, in particular to a permanent magnet drum type concentration magnetic separator and a magnetic separation method thereof.
Background
In the prior art, the magnetic system of the traditional drum-type magnetic separator is installed on the outer box body, so that the magnetic field intensity is not adjustable, meanwhile, when materials are sorted on the surface of the roller, the magnetic field is far greater than the mechanical force to successfully capture useful materials, and in the contact process of the materials and the surface of the roller, the material is easily wrapped by the magnetic field to pollute the concentrate again due to the material extrusion phenomenon formed in the falling process of the materials caused by gravity, and harmful impurities such as gangue are not completely removed, so that the purification of the iron ore powder in the superfine grain level cannot be effectively solved.
Therefore, a permanent magnet drum type concentration magnetic separator and a magnetic separation method thereof are provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a permanent magnet drum type concentration magnetic separator and a magnetic separation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a choice magnet separator of permanent magnetism cylinder, includes the barrel, barrel upper portion set up into the ore deposit mouth, the barrel bottom is provided with tailing mouth and concentrate mouth respectively, installs the guide cylinder in the cavity of barrel, the outside processing of guide cylinder has the helicla flute, the inside a plurality of yoke plates that are provided with of guide cylinder, fixed magnetism system on the yoke plate, magnetism system along the axial installation of guide cylinder and extend to concentrate mouth department, the guide cylinder passes through main shaft and motor deceleration back drive.
The concentrate mouth be located the end of barrel, the barrel both ends support the main shaft through the bearing frame.
The swing arm is installed to main shaft one end, the main shaft other end passes through the shaft coupling and links to each other with reduction gears's output shaft, reduction gears connects the motor.
The speed reducing mechanism is a gear meshing transmission mechanism or a chain and sprocket transmission mechanism or a belt transmission mechanism.
The barrel by last box and lower cell body lock each other connect and form, go up the box top and offer into ore deposit mouth, lower cell body bottom is provided with tailing mouth and concentrate mouth respectively, the ore deposit mouth is kept away from to the concentrate mouth.
The yoke plate and the magnetic system are arranged along the inner wall of the material guiding roller, and the length of the magnetic system exceeds the size of a tailing port.
The magnetic system selects a permanent magnet, the lower groove body is arranged on the bracket, and the bracket is also fixed with a motor and a speed reducing mechanism.
A magnetic separation method of a permanent magnet drum type concentration magnetic separator comprises the following steps:
s1, a yoke plate and a magnetic system are arranged on the inner wall of a material guide roller, a main shaft is inserted into the roller body, and a coupler and a motor are arranged;
s2, starting a motor to work, feeding materials at an ore inlet, conveying the materials forwards along a spiral groove, and receiving materials at the lower parts of a tailing port and a concentrate port;
and S3, stopping feeding at the ore inlet, stopping feeding at the tailing port and the concentrate port, and turning off the motor.
In the step S1, the magnetic systems on the inner wall of the material guide roller are arranged at intervals, in the installation process, the gap between the material guide roller and the roller body is selected, and the groove depth and the groove distance of the spiral groove are determined according to the mesh number of fed minerals.
Compared with the prior art, the invention has the beneficial effects that: the device provides the recovery rate and grade of useful minerals by arranging the magnetic system in the material guide roller to be wrapped and utilizing the magnetic field superposition and increasing the magnetic turnover frequency of the materials outside the material guide roller. The purification degree of magnetic mineral is higher than traditional magnet separator, and it is lower to form the cost, and occupation of land is little moreover, simple structure, is convenient for install and maintain.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. an ore inlet; 2. a tailing port; 3. a concentrate port; 4. a support; 5. a lower trough body; 6. an upper box body; 7. a material guiding roller; 8. a magnetic yoke plate; 9. a magnetic system; 10. a main shaft; 11. a swing arm; 12. a motor; 13. a coupling is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, the permanent magnet drum type concentration magnetic separator comprises a drum body, wherein an ore inlet 1 is formed in the upper portion of the drum body, a tailing port 2 and a concentrate port 3 are respectively formed in the bottom of the drum body, a material guide drum 7 is installed in a cavity of the drum body, a spiral groove is machined in the outer portion of the material guide drum, a plurality of yoke plates 8 are arranged in the material guide drum, a magnetic system 9 is fixed on the yoke plates, the magnetic system is installed along the axial direction of the material guide drum and extends to the concentrate port, and the material guide drum is driven after being decelerated through a main shaft 10 and a motor 12.
Furthermore, the concentrate opening is located at the tail end of the cylinder, and the main shaft is supported at two ends of the cylinder through bearing seats. One end of the main shaft is provided with a swing arm 11, the other end of the main shaft is connected with an output shaft of a speed reducing mechanism through a coupler 13, and the speed reducing mechanism is connected with a motor. The speed reducing mechanism is a gear meshing transmission mechanism or a chain and sprocket transmission mechanism or a belt transmission mechanism.
Further, the barrel by last box 6 with lower cell body 5 lock each other connect and form, go up the box top and offer into the ore deposit mouth, lower cell body bottom is provided with tailing mouth and concentrate mouth respectively, the ore deposit mouth is kept away from to the concentrate mouth. The yoke plate and the magnetic system are arranged along the inner wall of the material guiding roller, the specific installation positions are generally fixedly installed in an interval arrangement mode, the length of the magnetic system exceeds the size of a tailing opening, namely the edge of the magnetic system is just above a concentrate opening. The magnetic system selects a permanent magnet, the lower groove body is arranged on the bracket 4, and the bracket is also fixed with a motor and a speed reducing mechanism.
A magnetic separation method of a permanent magnet drum type concentration magnetic separator comprises the following steps:
s1, a yoke plate and a magnetic system are arranged on the inner wall of a material guide roller, a main shaft is inserted into the roller body, and a coupler and a motor are arranged;
s2, starting a motor to work, feeding materials at an ore inlet, conveying the materials forwards along a spiral groove, and receiving materials at the lower parts of a tailing port and a concentrate port;
and S3, stopping feeding at the ore inlet, stopping feeding at the tailing port and the concentrate port, and turning off the motor.
In step S1, the magnetic systems on the inner wall of the guiding drum are generally arranged at intervals, the spindle is mounted, the bearing seat plays a supporting role, and at the same time, the key and the key groove between the spindle and the guiding drum are ensured to be matched and connected, the swing arm is mounted at the end of the spindle, and the coupling is connected and mounted with the output shaft of the motor and the speed reducing mechanism thereof. In the installation process, the gaps among the material guide roller, the upper box body and the lower groove body are selected, and the groove depth and the groove distance of the spiral groove are determined according to the actual mesh number of fed minerals.
The improvement of the invention is as follows: the device can completely avoid the low purification precision caused by gravity in the separation process of the traditional drum-type magnetic separation, and the reason is that the material guide roller rotates in the magnetic system, the material is always influenced by the magnetic field, and the magnetic overturning times are increased along with the length of the material guide roller. Therefore, theoretically, as long as the material guide roller of the permanent magnet drum type concentration magnetic separator is long enough, the retention time of the selected magnetic minerals in the spiral groove is long enough, and the turnover times are enough, the maximum purity of the magnetic minerals can be realized, and powerful guarantee is provided for enterprises to realize the maximization of profits.
Specifically, the material gets into the box from the ore inlet, along with the guide cylinder rotates under the drive of motor, the magnetism system swings along with it, and the guide cylinder rotates outside the magnetism system, takes the magnetic material that adsorbs in guide cylinder feeding one side to ejection of compact one side through the magnetic field, and the magnetic field disappears here, and the magnetic material is thrown to unloading on the groove, and the vibration of through vibrating device carries the magnetic material on the groove of unloading to the iron notch thus discharge, and remaining material that does not contain magnetism gets into the discharge gate and then discharges through the guide cylinder. Wherein, the upper tank body is provided with an ore inlet, the lower tank body is provided with a non-magnetic mineral outlet (tailing port) and a magnetic mineral outlet (concentrate port), and the guide roller is connected with the motor through a coupler to realize rotation. The raw materials enter from the ore inlet and move forward along the spiral groove under the pushing of the guide roller, the magnetic materials are adsorbed on the magnetic system and move forward, and after reaching the edge of the magnetic system, the magnetic materials fall off due to no adsorption of the magnetic system and enter the magnetic ore outlet, so that the non-magnetic materials are not influenced by the magnetic system and are directly discharged from the non-magnetic ore outlet.
In the device, the permanent magnet, the yoke plate, the motor, control software thereof and the like are the prior art or materials, and the technical personnel can directly purchase or order from the market according to the required product model and specification.
The electrical components presented in the text are all electrically connected with an external master controller and 220V commercial power or industrial power, and the master controller can be a conventional known device with a control function such as a computer.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a choice magnet separator of permanent magnetism cylinder, its characterized in that, includes the barrel, barrel upper portion set up into ore deposit mouth, the barrel bottom is provided with tailing mouth and concentrate mouth respectively, installs the guide cylinder in the cavity of barrel, the outside processing of guide cylinder has the helicla flute, the inside a plurality of yoke plates that are provided with of guide cylinder, fixed magnetic system on the yoke plate, magnetic system along the axial installation of guide cylinder and extend to concentrate mouth department, the guide cylinder passes through main shaft and motor deceleration back drive.
2. The permanent magnet drum concentration magnetic separator according to claim 1, wherein the concentrate port is located at the end of the drum, and the main shaft is supported at both ends of the drum through bearing seats.
3. The permanent magnet drum type magnetic concentration separator as claimed in claim 2, wherein one end of the main shaft is provided with a swing arm, the other end of the main shaft is connected with an output shaft of a speed reducing mechanism through a coupler, and the speed reducing mechanism is connected with a motor.
4. The permanent magnet drum concentration magnetic separator as claimed in claim 3 wherein said speed reduction mechanism is a gear mesh transmission mechanism or a chain and sprocket transmission mechanism or a belt transmission mechanism.
5. The permanent magnet drum type concentration magnetic separator according to claim 4, wherein the drum is formed by mutually buckling and connecting an upper tank body and a lower tank body, an ore inlet is formed in the top of the upper tank body, a tailing port and a concentrate port are respectively formed in the bottom of the lower tank body, and the concentrate port is far away from the ore inlet.
6. The permanent magnet drum concentration magnetic separator as claimed in claim 5 wherein said yoke plate and magnetic system are mounted along the inner wall of the guide drum, the length of the magnetic system exceeding the size of the tailings opening.
7. The permanent magnet drum type magnetic concentration separator as claimed in claim 6, wherein the magnetic system is a permanent magnet, the lower trough body is mounted on a support, and a motor and a speed reducing mechanism are further fixed on the support.
8. A method for magnetic separation in a permanent magnet drum concentrator magnetic separator as claimed in any one of claims 1 to 7, comprising the steps of:
s1, a yoke plate and a magnetic system are arranged on the inner wall of a material guide roller, a main shaft is inserted into the roller body, and a coupler and a motor are arranged;
s2, starting a motor to work, feeding materials at an ore inlet, conveying the materials forwards along a spiral groove, and receiving materials at the lower parts of a tailing port and a concentrate port;
and S3, stopping feeding at the ore inlet, stopping feeding at the tailing port and the concentrate port, and turning off the motor.
9. The magnetic separation method of the permanent magnet drum type concentration magnetic separator as claimed in claim 8, wherein in step S1, the magnetic systems on the inner wall of the material guiding drum are arranged at intervals, the gap between the material guiding drum and the drum body is selected during installation, and the depth and distance of the spiral groove are determined according to the mesh number of the fed minerals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110791089.8A CN113426573A (en) | 2021-07-13 | 2021-07-13 | Permanent magnet drum type concentration magnetic separator and magnetic separation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110791089.8A CN113426573A (en) | 2021-07-13 | 2021-07-13 | Permanent magnet drum type concentration magnetic separator and magnetic separation method thereof |
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| CN113426573A true CN113426573A (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110791089.8A Pending CN113426573A (en) | 2021-07-13 | 2021-07-13 | Permanent magnet drum type concentration magnetic separator and magnetic separation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430520A (en) * | 2022-09-28 | 2022-12-06 | 北京中矿东方矿业有限公司 | A double-drum dry magnetic separator with functions of sorting and magnetic separation |
| CN116159670A (en) * | 2023-02-17 | 2023-05-26 | 徐州徐工矿业机械有限公司 | Main shaft integrated magnetic roller for magnetic separator and mounting method thereof |
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| JPH11309383A (en) * | 1998-04-30 | 1999-11-09 | Taiho Giken Kk | Magnetic separator with spiral magnetic pole |
| CN201271604Y (en) * | 2008-08-13 | 2009-07-15 | 抚顺思瑞机电设备有限公司 | Dry-type fly ash recycling machine |
| CN103785528A (en) * | 2014-01-25 | 2014-05-14 | 山东华特磁电科技股份有限公司 | Accuracy-improving dreg-reducing magnetic separator |
| CN104741224A (en) * | 2013-12-31 | 2015-07-01 | 张承臣 | Magnetic separator for concentration |
| CN204672420U (en) * | 2015-05-15 | 2015-09-30 | 北矿机电科技有限责任公司 | A kind of magnetomotive magnetic pulley clearing apparatus |
| CN111672622A (en) * | 2020-05-14 | 2020-09-18 | 杨允炜 | Wet magnetic separator |
-
2021
- 2021-07-13 CN CN202110791089.8A patent/CN113426573A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11309383A (en) * | 1998-04-30 | 1999-11-09 | Taiho Giken Kk | Magnetic separator with spiral magnetic pole |
| CN201271604Y (en) * | 2008-08-13 | 2009-07-15 | 抚顺思瑞机电设备有限公司 | Dry-type fly ash recycling machine |
| CN104741224A (en) * | 2013-12-31 | 2015-07-01 | 张承臣 | Magnetic separator for concentration |
| CN103785528A (en) * | 2014-01-25 | 2014-05-14 | 山东华特磁电科技股份有限公司 | Accuracy-improving dreg-reducing magnetic separator |
| CN204672420U (en) * | 2015-05-15 | 2015-09-30 | 北矿机电科技有限责任公司 | A kind of magnetomotive magnetic pulley clearing apparatus |
| CN111672622A (en) * | 2020-05-14 | 2020-09-18 | 杨允炜 | Wet magnetic separator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430520A (en) * | 2022-09-28 | 2022-12-06 | 北京中矿东方矿业有限公司 | A double-drum dry magnetic separator with functions of sorting and magnetic separation |
| CN116159670A (en) * | 2023-02-17 | 2023-05-26 | 徐州徐工矿业机械有限公司 | Main shaft integrated magnetic roller for magnetic separator and mounting method thereof |
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Application publication date: 20210924 |
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