CN116159668A - Ultrasonic vibration magnetic medium pulse high-gradient magnetic separator - Google Patents
Ultrasonic vibration magnetic medium pulse high-gradient magnetic separator Download PDFInfo
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- CN116159668A CN116159668A CN202211644687.3A CN202211644687A CN116159668A CN 116159668 A CN116159668 A CN 116159668A CN 202211644687 A CN202211644687 A CN 202211644687A CN 116159668 A CN116159668 A CN 116159668A
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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
- B03C1/025—High gradient magnetic separators
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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
- B03C1/005—Pretreatment specially adapted for magnetic separation
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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
- B03C1/025—High gradient magnetic separators
- B03C1/031—Component parts; Auxiliary operations
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Abstract
The invention provides an ultrasonic vibration magnetic medium pulse high-gradient magnetic separator which comprises a frame, a magnetic yoke, an exciting coil, an ultrasonic vibrator, a mineral feeding water device, a magnetic medium, a pulsation mechanism, a pulsation bucket and a mineral discharging pipe, wherein the magnetic yoke is arranged on the frame; the exciting coil and the magnetic medium are both arranged in the magnetic yoke, the exciting coil is of an annular structure, a magnetic medium installation space is arranged in the center of the exciting coil, and the magnetic medium is arranged in the magnetic medium installation space; the magnetic medium is connected with the ultrasonic vibrator; the magnetic yoke bottom is provided with a discharge hole communicated with the magnetic medium installation space, and the pulsation bucket is communicated with the discharge hole and connected with the pulsation mechanism. According to the technical scheme, efficient enrichment and recovery of weak magnetic useful minerals in the micro-fine particle grade are realized through the coupling of pulsation dispersion and magnetic medium ultrasonic vibration.
Description
Technical Field
The invention relates to the technical field of mine equipment, in particular to an ultrasonic vibration magnetic medium pulse high-gradient magnetic separator.
Background
At present, a high gradient magnetic separator is a key device for separating and enriching weak magnetic useful minerals or nonmetallic raw materials and removing weak magnetic mineral impurities. Along with continuous utilization of mineral resources, the mineral resources increasingly show the characteristics of low grade, fine mineral embedding granularity and complex mineral composition. In order to develop and utilize the mineral resources of the type, the grinding fineness needs to be improved to enable the dissociation degree of useful mineral monomers, the process enables the fine content of materials entering the sorting operation to be continuously improved, and the conventional high-gradient magnetic separator is difficult to recover fine-grade weak magnetic minerals, so that the loss of the weak magnetic useful minerals is caused.
The capture of the weak magnetic minerals with the micro-fine particle size requires higher background magnetic field intensity and magnetic field gradient, but under the condition, the static magnetic medium of the conventional high-gradient magnetic separator has strong capture capability, and a large amount of gangue and weak magnetic useful minerals can be captured while capturing the weak magnetic useful minerals, so that the capture space of the magnetic medium is occupied, and the weak magnetic useful minerals with the micro-fine particle size are difficult to recover and difficult to obtain a high-quality magnetic concentrate product.
Therefore, a high gradient magnetic separator capable of selectively capturing the micro-fine fraction weak magnetic useful minerals is needed, and recycling of the micro-fine fraction weak magnetic useful minerals is improved.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the invention provides the ultrasonic vibration magnetic medium pulse high-gradient magnetic separator, which realizes the efficient enrichment and recovery of the weak magnetic useful minerals in the micro-fine fraction through the coupling of pulse dispersion and magnetic medium ultrasonic vibration.
The invention adopts the following technical means:
an ultrasonic vibration magnetic medium pulse high-gradient magnetic separator comprises a frame, a magnetic yoke, an exciting coil, an ultrasonic vibrator, a mineral feeding water device, a magnetic medium, a pulsation mechanism, a pulsation bucket and a mineral discharging pipe;
the magnetic yoke is arranged at the top of the frame, the exciting coil and the magnetic medium are arranged inside the magnetic yoke, the exciting coil is of an annular structure, a magnetic medium installation space is arranged in the center of the exciting coil, and the magnetic medium is arranged in the magnetic medium installation space;
the top of the magnetic yoke is provided with a feeding hole communicated with the magnetic medium installation space, the ore feeding water supply device is communicated with the feeding hole, and the magnetic medium is connected with the ultrasonic vibrator through a connecting rod penetrating through the feeding hole;
the magnetic yoke bottom offer with the discharge hole that magnetic medium installation space is linked together, pulsation fill with the discharge hole is linked together and is connected with through the connecting rod the pulsation mechanism, the ore discharge pipe is connected to pulsation fill bottom opening, be provided with the ball valve on the ore discharge pipe.
Further, the ultrasonic vibrator can generate ultrasonic vibration with the frequency of 20-100 KHz, the output power is 1-10kW, and the amplitude of the magnetic medium under the ultrasonic vibration is 0-100 mu m.
Further, the medium wires of the magnetic medium adopt stainless steel magnetic conduction round bars, stainless steel magnetic conduction steel nets or steel wool with the diameter of 1-5 mm.
Further, the background magnetic induction intensity of 0-2.0T can be controlled to be generated inside the magnetic yoke by adjusting the exciting current of the exciting coil.
Further, the pulsation mechanism can generate pulsation with a stroke of 0-30mm and a stroke frequency of 0-600 times/min.
Further, the ore pulp material provided by the ore feeding and water feeding device has the granularity range of 0-0.1mm and the solid mass concentration of 10-70%.
Further, by starting and adjusting exciting current of the exciting coil and starting the ultrasonic vibrator and the pulsation mechanism, a composite force field with high gradient magnetic field, ultrasonic vibration and pulsation force field coupling can be formed in the separation space inside the magnetic yoke and the pulsation bucket, so that the magnetic medium captures magnetic particles in ore pulp materials provided by the ore feeding water supply device, and nonmagnetic particles can be discharged through the pulsation bucket through the ore discharge pipe;
by reducing the exciting current of the exciting coil, stopping the ultrasonic vibrator and the pulsation mechanism, the magnetic medium releases the captured magnetic particles and is discharged through the ore discharge pipe by the pulsation bucket.
Compared with the prior art, the invention has the following advantages:
1. the ultrasonic vibration magnetic medium pulse high-gradient magnetic separator provided by the invention can realize effective cooperation of a high-gradient magnetic field, a pulsation force field and ultrasonic vibration in a separation space, forms a high-gradient magnetic field, a pulsation force field and ultrasonic vibration composite force field, has a background magnetic field strength of up to 2.0T, has strong magnetic medium capturing capability, and can be used for separating micro-particle-grade magnetic materials from non-magnetic materials.
2. The ultrasonic vibration magnetic medium pulse high-gradient magnetic separator provided by the invention can fully disperse ore pulp by utilizing the cavitation of ultrasonic vibration magnetic medium and ultrasonic wave, and meanwhile, the vibration effect can reduce the inclusion of non-magnetic particles in the magnetic medium capturing process, so that the utilization rate of a capturing space is improved, and the grade and recovery rate of captured magnetic products are improved.
3. The ultrasonic vibration magnetic medium pulse high-gradient magnetic separator provided by the invention has the advantages that the magnetic field intensity, the pulse stroke and the pulse frequency, the ultrasonic vibration frequency and the amplitude are continuously adjustable, the adaptability to materials with different properties is strong, and the ultrasonic vibration magnetic medium pulse high-gradient magnetic separator can be applied to selectively enriching weak magnetic materials.
For the reasons, the invention can be widely popularized in the field of magnetic separators.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of the ultrasonic vibration magnetic medium pulse high gradient magnetic separator.
FIG. 2 is a schematic diagram of the side structure of the ultrasonic vibration magnetic medium pulse high gradient magnetic separator.
In the figure: 1. a frame; 2. a yoke; 3. exciting the coil; 4. an ultrasonic vibrator; 5. a mineral water feeding device; 6. a magnetic medium; 7. a pulsation mechanism; 8. a pulsation bucket; 9. an ultrasonic vibrator fixing bracket; 10. and a discharge tube.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
Example 1
As shown in fig. 1-2, the invention provides an ultrasonic vibration magnetic medium pulse high gradient magnetic separator, which comprises a frame 1, a magnetic yoke 2, an exciting coil 3, an ultrasonic vibrator 4, a mineral water feeding device 5, a magnetic medium 6, a pulsation mechanism 7, a pulsation hopper 8 and a mineral discharge pipe 10;
the magnetic yoke 2 is arranged at the top of the frame, the exciting coil 3 and the magnetic medium 6 are arranged inside the magnetic yoke 2, the exciting coil 3 is of a rectangular annular structure, a cylindrical magnetic medium installation space is arranged in the center of the exciting coil, and the magnetic medium 6 is arranged in the magnetic medium installation space;
the top of the magnetic yoke 2 is provided with a feeding hole communicated with the magnetic medium installation space, the ore feeding water supply device 5 is communicated with the feeding hole, the magnetic medium 6 is connected with the ultrasonic vibrator 4 through a connecting rod penetrating through the feeding hole, and the ultrasonic vibrator 4 is fixedly installed on the magnetic yoke 2 through an ultrasonic vibrator fixing bracket 9;
the magnetic yoke 2 bottom offer with the discharge hole that magnetic medium installation space is linked together, pulsation fill 8 with the discharge hole is linked together and is connected with pulsation mechanism 7 through the connecting rod, the ore discharge pipe 10 is connected to pulsation fill 8 bottom opening, be provided with the ball valve on the ore discharge pipe 10.
Further, the ultrasonic vibrator 4 can generate ultrasonic vibration with the frequency of 20-100 KHz, the output power is 1-10kW, and the amplitude of the magnetic medium 6 under the ultrasonic vibration is 0-100 mu m and is continuously adjustable.
Further, the medium wires of the magnetic medium 6 are stainless steel magnetic conduction round bars, stainless steel magnetic conduction steel nets or steel wool with the diameter of 1-5 mm.
Further, the background magnetic induction intensity of 0-2.0T can be controlled to be generated inside the magnetic yoke 2 by adjusting the exciting current of the exciting coil 3, and the background magnetic induction intensity is continuously adjustable.
Further, the pulsation mechanism 7 can generate pulsation with a stroke of 0-30mm and a stroke frequency of 0-600 times/min, and is continuously adjustable.
Further, the ore pulp material provided by the ore feeding water supply device 5 has the granularity range of 0-0.1mm and the solid mass concentration of 10-70%.
Further, by starting and adjusting the exciting current of the exciting coil 3 and starting the ultrasonic vibrator 4 and the pulsation mechanism 7, a composite force field with high gradient magnetic field, ultrasonic vibration and pulsation force field coupling can be formed in the separation space inside the magnetic yoke 2 and the pulsation bucket 8, so that the magnetic medium 6 captures magnetic particles in the ore pulp material provided by the ore feeding water supply device 5, and nonmagnetic particles can be discharged through the pulsation bucket 8 and the ore discharge pipe 10;
by lowering the exciting current of the exciting coil 3, stopping the ultrasonic vibrator 4 and the pulsating mechanism 7, the magnetic medium 6 releases the captured magnetic particles and is discharged through the discharge pipe 10 via the pulsating hopper 8.
Further, since the background magnetic induction intensity generated inside the magnetic yoke 2, the ultrasonic vibration frequency and amplitude generated by the ultrasonic vibrator 4, and the stroke frequency of the pulsation generated by the pulsation mechanism 7 are continuously adjustable, the invention can be applied to sorting materials with different properties and can also be used for selectively enriching weak magnetic materials.
The working principle of the ultrasonic vibration magnetic medium pulse high-gradient magnetic separator provided by the invention is as follows:
firstly, closing a ball valve of a discharge pipe 10, feeding water to a required water level from a water feeding device 5, starting exciting current of an exciting coil 3 to the current required by the required background magnetic induction intensity inside a magnetic yoke 2, adjusting the stroke of a pulsation mechanism 7, starting the pulsation mechanism 7, adjusting the stroke to the required stroke frequency, switching on a power supply to start an ultrasonic vibrator 4, and enabling a magnetic medium 6 to generate ultrasonic vibration through a connecting rod to form a composite force field of ultrasonic vibration and pulsation force field coupling with a high gradient magnetic field; the composite force field formed by the invention can improve the capturing capability of the magnetic medium 6 on the magnetic materials, reduce the inclusion of non-magnetic particles, improve the utilization rate of the capturing space of the magnetic medium 6, and improve the grade and recovery rate of captured magnetic products;
then, opening a ball valve of the ore discharge pipe 10, increasing the water quantity fed through the ore feeding water supply device 5, keeping the liquid level at a required liquid level, feeding sorting materials with the adjusted ore pulp concentration through the ore feeding water supply device 5, enabling the ore pulp materials to enter a magnetic medium 6 for sorting, capturing magnetic particles in the materials by the magnetic medium 6, enabling the non-magnetic particles to flow into a pulsation bucket 8, discharging the non-magnetic particles through the ore discharge pipe 10 to form a non-magnetic product, and keeping the liquid level stable until no non-magnetic material exists in the liquid discharged by the ore discharge pipe 10;
finally, the pulsation mechanism 7 and the ultrasonic vibrator 4 are stopped, the exciting current of the exciting coil 3 is reduced to enable the intensity of the background magnetic field in the magnet yoke 2 to be reduced to the required level, the magnetic product captured by the magnetic medium 6 flows into the pulsation bucket 8 and is discharged through the ore discharge pipe 10 to form the magnetic product, when the magnetic product is discharged, one sorting period is completed, and then the next sorting period is started until the requirement of sorting effect is met.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present invention.
Claims (7)
1. The ultrasonic vibration magnetic medium pulse high-gradient magnetic separator is characterized by comprising a frame, a magnetic yoke, an exciting coil, an ultrasonic vibrator, a mineral feeding water device, a magnetic medium, a pulsation mechanism, a pulsation hopper and a mineral discharging pipe;
the magnetic yoke is arranged at the top of the frame, the exciting coil and the magnetic medium are arranged inside the magnetic yoke, the exciting coil is of an annular structure, a magnetic medium installation space is arranged in the center of the exciting coil, and the magnetic medium is arranged in the magnetic medium installation space;
the top of the magnetic yoke is provided with a feeding hole communicated with the magnetic medium installation space, the ore feeding water supply device is communicated with the feeding hole, and the magnetic medium is connected with the ultrasonic vibrator through a connecting rod penetrating through the feeding hole;
the magnetic yoke bottom offer with the discharge hole that magnetic medium installation space is linked together, pulsation fill with the discharge hole is linked together and is connected with through the connecting rod the pulsation mechanism, the ore discharge pipe is connected to pulsation fill bottom opening, be provided with the ball valve on the ore discharge pipe.
2. The ultrasonic vibration magnetic medium pulse high gradient magnetic separator according to claim 1, wherein the ultrasonic vibrator is capable of generating ultrasonic vibration with a frequency of 20-100 KHz, the output power is 1-10kW, and the amplitude of the magnetic medium under ultrasonic vibration is 0-100 μm.
3. The ultrasonic vibration magnetic medium pulse high gradient magnetic separator according to claim 1, wherein the medium wires of the magnetic medium are stainless steel magnetic conductive round bars, stainless steel magnetic conductive steel nets or steel wool with the diameter of 1-5 mm.
4. The ultrasonic vibration magnetic medium pulse high gradient magnetic separator according to claim 1, wherein the excitation current of the excitation coil is adjusted to control the background magnetic induction intensity of 0-2.0T generated inside the magnetic yoke.
5. The ultrasonic vibration magnetic medium pulse high gradient magnetic separator according to claim 1, wherein the pulsation mechanism is capable of generating pulsation with a stroke of 0-30mm and a pulse rate of 0-600 times/min.
6. The ultrasonic vibration magnetic medium pulse high gradient magnetic separator according to claim 1, wherein the ore pulp material provided by the ore feeding water device has a particle size range of 0-0.1mm and a solid mass concentration of 10-70%.
7. The ultrasonic vibration magnetic medium pulse high gradient magnetic separator according to claim 1, wherein a high gradient magnetic field, ultrasonic vibration and pulsation force field coupling composite force field can be formed in a separation space inside the magnetic yoke and the pulsation bucket by starting and adjusting exciting current of the exciting coil and starting the ultrasonic vibrator and the pulsation mechanism, so that the magnetic medium captures magnetic particles in ore pulp materials provided by the ore feeding water device, and nonmagnetic particles can be discharged through the pulsation bucket through the ore discharge pipe;
by reducing the exciting current of the exciting coil, stopping the ultrasonic vibrator and the pulsation mechanism, the magnetic medium releases the captured magnetic particles and is discharged through the ore discharge pipe by the pulsation bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211644687.3A CN116159668A (en) | 2022-12-20 | 2022-12-20 | Ultrasonic vibration magnetic medium pulse high-gradient magnetic separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211644687.3A CN116159668A (en) | 2022-12-20 | 2022-12-20 | Ultrasonic vibration magnetic medium pulse high-gradient magnetic separator |
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| Publication Number | Publication Date |
|---|---|
| CN116159668A true CN116159668A (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211644687.3A Pending CN116159668A (en) | 2022-12-20 | 2022-12-20 | Ultrasonic vibration magnetic medium pulse high-gradient magnetic separator |
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| CN (1) | CN116159668A (en) |
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- 2022-12-20 CN CN202211644687.3A patent/CN116159668A/en active Pending
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