CN101549323A - Ultrasonic high-gradient magnetic separation device - Google Patents
Ultrasonic high-gradient magnetic separation device Download PDFInfo
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- CN101549323A CN101549323A CNA200910000027XA CN200910000027A CN101549323A CN 101549323 A CN101549323 A CN 101549323A CN A200910000027X A CNA200910000027X A CN A200910000027XA CN 200910000027 A CN200910000027 A CN 200910000027A CN 101549323 A CN101549323 A CN 101549323A
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- magnetic separation
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Abstract
The invention relates to an ultrasonic high-gradient magnetic separation device and pertains to the mining machinery field, which is characterized by comprising a feed chute, an eletromagnet, a magnetic separation tray, a magnetic medium, an ultrasonic transducer and a bracket. The eletromagnet is in the shape of C and arranged on the bracket horizontally; the magnetic separation tray vertically passes through the magnetic pole gap of the eletromagnet; the magnetic medium is contained in the magnetic separation tray; and the ultrasonic transducer is installed on the outer surface of the magnetic separation tray and connected with an ultrasonic generator. When in the operation of magnetic separation, the ultrasonic transducer radiates ultrasonic waves in the magnetic separation tray, and high-frequency mechanical vibration of the ore slurry is conducted, thus being capable of effectively preventing the blockage of the magnetic medium, reducing the mingling of gangue and improving the concentrate grade.
Description
One, technical field
Patent of the present invention relates to a kind of ultrasonic high-gradient magnetic separation device, belongs to the mining machinery field.
Two, background technology
High-gradient magnetic separation (HGMS) is to utilize high-gradient intense magnetic field to carry out the method for material sorting, be characterized in: background magnetic field is big, introduce magnetizing mediums in the magnetic separation space, therefore, can obtain magnetic force much larger than common magnetic separator, be specially adapted to the graded shot weak magnetic mineral, as bloodstone, limonite, ilmenite, manganese ore etc.In addition, HGMS also is usually used in the removal of impurities and the purification of kaolin, ceramic raw material.For weak magnetic mineral, HGMS efficiency of separation height, adaptability is strong, but because the sorting space adds magnetizing mediums, flow rate of pulp, treating capacity is reduced, and magnetizing mediums stops up easily, and concentrate grade is reduced.In order to address the above problem, successfully developed pulsating high gradient magnetic separator with vertical ring (patent of invention ZL01242984.8, utility model CN2557233Y).These inventions are by the design vibrating mechanism, ore pulp is applied panting action, can prevent that to a certain extent magnetizing mediums from stopping up, but because the mechanical oscillation frequency is low, vibration source and magnetizing mediums are far apart, make the effect of vibration removal gangue, raising concentrate grade not too obvious.Therefore, development of new high-gradient vibration concentration equipment and technology are very necessary.
Three, summary of the invention
The object of the present invention is to provide a kind of magnetizing mediums that prevents to stop up, alleviate mechanical entrainment, improve the ultrasonic high-gradient magnetic separation device of concentrate grade.
Technical solution: patent of the present invention comprises feed launder, electromagnet, magnetic separation groove, magnetizing mediums, ultrasonic transducer, support, electromagnet is horizontally fixed on the support, the magnetic separation groove places between the magnetic pole of electromagnet, top is feed launder, the exit, bottom, dress magnetizing mediums in the magnetic separation groove, ultrasonic transducer is installed in magnetic separation groove outer surface, is connected with supersonic generator by lead.
Described electromagnet is a C type electromagnet, is made up of magnetic pole, magnet exciting coil and C type yoke.Magnetic pole section is a rectangle, and pole material adopts the soft magnetic materials of high remanent magnetism, and the yoke material is a silicon steel.Magnet exciting coil is connected with dc source, can produce the background magnetic field of 0.2～1.6T between the magnetic pole air gap.
Described feed launder is the rectangle cell body, makes of no magnetic metallic plate or plastic plate.
Described magnetic separation groove is the rectangle cell body, makes of no magnetic metallic plate or plastic plate.The magnetic separation groove vertically passes the magnetic pole gap of electromagnet, and top is connected with feed launder by an expansion segment, and the bottom links to each other with outlet by a contraction section.
Described magnetizing mediums is the corresponding frame structure of shape and magnetic separation groove inner space that magnetic rod iron or magnetic steel bar constitute by being connected to each other, and is filled in the magnetic separation groove.The effect of magnetizing mediums is to produce high-gradient magnetic field, simultaneously, and also as the carrier that adsorbs the magnetic ore deposit.
Described ultrasonic transducer is a piezoelectric ceramic transducer, and the power of each piezoelectric ceramic transducer is 30～100W, and frequency is 20～100kHz.Piezoelectric ceramic transducer is installed in magnetic separation groove outer surface, and equidistant the arrangement covers the magnetizing mediums region.The axially magnetic direction with the electromagnet generation of piezoelectric ceramic transducer radiating surface is vertical.Piezoelectric ceramic transducer links to each other with supersonic generator, accepts high-frequency signal from supersonic generator, to cell body internal radiation ultrasonic wave.
The present invention to magnetic separation groove radiate supersonic wave, utilizes hyperacoustic high-frequency mechanical vibration by ultrasonic transducer is installed, and ore pulp is carried out online dispersion, prevents that magnetizing mediums from stopping up, and alleviates gangue and is mingled with, and improves concentrate grade, yield.
Four, description of drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is a side view of the present invention;
Fig. 3 is a vertical view of the present invention;
The vertical arrangement architecture schematic diagram of Fig. 4 magnetizing mediums;
The transversely arranged structural representation of Fig. 5 magnetizing mediums.
Five, the specific embodiment
With reference to accompanying drawing 1, Fig. 2, Fig. 3, the present invention includes feed launder 1, electromagnet 2, magnetic separation groove 3, magnetizing mediums 4, ultrasonic transducer 5, support 6.Feed launder 1 usefulness magnetism-free stainless steel is made, and profile is a rectangle; Electromagnet 2 is a C type electromagnet, is horizontally fixed on the support 6, and its magnetic pole adopts ferrocobalt, and cross-sectional area is 10 * 20cm
2, distance between two poles is 5cm.Magnetic separation groove 3 vertically passes the magnetic pole gap of electromagnet 2, makes of the non-magnetic rustproof steel plate.Magnetizing mediums 4 is filled in the magnetic separation groove 3, is the frame structure that is vertically rearranged by the silicon steel bar, sees accompanying drawing 4, and the silicon steel bar is arranged at the framework intermediate reach, and two ends are fixed with steel plate up and down, and frame structure occupies 20% of magnetic separation groove 3 volumes.Ultrasonic transducer 5 is selected lead zirconium titanate (PZT) piezoelectric ceramic transducer for use, and frequency is 30kHz, and power is 40W.The radiating surface of piezoelectric ceramic transducer covers magnetizing mediums 4 regions with the sticking outer surface that is posted on magnetic separation groove 3 of epoxy resin, and it is axially vertical with the magnetic direction that electromagnet 2 produces.Piezoelectric ceramic transducer is connected with supersonic generator, and its high frequency electrical signal is converted to ultrasonic wave.The common angle steel welding of support 6 usefulness, the total weight of support concentration equipment.
Operation principle of the present invention is as follows: when carrying out magnetic concentration working, open electromagnet 2 power supplys, supersonic generator power supply, regulate output current or power, produce magnetic field and ultrasonic wave radiation in magnetic separation groove 3; The ore pulp that mixes is added feed launder 1, and ore pulp enters magnetic separation groove 3 from feed launder 1; Ultrasonic transducer 5 under the driving of supersonic generator in magnetic separation groove 3 radiate supersonic wave, ore pulp is carried out high-frequency mechanical vibration, prevent that magnetizing mediums from stopping up, alleviating impurity is mingled with, magnetic mineral is attracted on the magnetizing mediums 4, and impurity particle is discharged from lower part outlet, forms mine tailing; Flow rate of pulp is by the valve control of outlet.After process finished, powered-down with clear water flushing magnetizing mediums 4, was collected adsorption particle and is obtained required concentrate.
With reference to accompanying drawing 1, Fig. 2, Fig. 3, the present invention includes feed launder 1, electromagnet 2, magnetic separation groove 3, magnetizing mediums 4, ultrasonic transducer 5, support 6.Feed launder 1 and magnetic separation groove 3 usefulness aluminium sheets are made, and profile is a rectangle; Electromagnet 2 is a C type electromagnet, is horizontally fixed on the support 6, and magnetic pole adopts iron-nickel alloy, and cross-sectional area is 10 * 15cm
2, distance between two poles is 6cm.Magnetizing mediums 4 is filled in the magnetic separation groove 3, is the frame structure of the transversely arranged composition of magnetic rod iron, and rod iron two is fixed with aluminium sheet, sees accompanying drawing 5, and the volume that occupies at the magnetic separation groove is 15%.Ultrasonic transducer 5 is selected the PZT piezoelectric ceramic transducer for use, and frequency is 45kHz, and power is 60W, and its radiating surface is fixed on the outer surface of magnetic separation groove, and is axially vertical with magnetic direction.Support 6 is with embodiment 1.
Claims (5)
1, ultrasonic high-gradient magnetic separation device, comprise feed launder (1), electromagnet (2), magnetic separation groove (3), magnetizing mediums (4), ultrasonic transducer (5), support (6), it is characterized in that: electromagnet (2) is a C type electromagnet, lie in a horizontal plane on the support (6), magnetic separation groove (3) vertically passes the magnetic pole gap of electromagnet (2), magnetizing mediums (4) is contained in the magnetic separation groove (3), and ultrasonic transducer (5) is installed in the outer surface of magnetic separation groove (3), and is connected with supersonic generator.
2, ultrasonic high-gradient magnetic separation device according to claim 1 is characterized in that: magnetizing mediums (4) is the corresponding frame structure of shape and magnetic separation groove (3) inner space that magnetic rod iron or magnetic steel bar constitute by being connected to each other.
3, ultrasonic high-gradient magnetic separation device according to claim 1 is characterized in that: ultrasonic transducer (5) is equidistant to be arranged, and covers magnetizing mediums (4) region, and it is axially vertical with the magnetic direction that electromagnet (2) produces.
4, root is characterized in that according to claim 1 or 3 described ultrasonic high-gradient magnetic separation devices: ultrasonic transducer (5) adopts piezoelectric ceramic transducer, and the operating frequency of each piezoelectric ceramic transducer is 20～80kHz, and power is 30～80W.
5, root is characterized in that according to claim 1 or 3 or 4 described ultrasonic high-gradient magnetic separation devices: ultrasonic transducer (5) is to magnetic separation groove (3) radiate supersonic wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910000027XA CN101549323A (en) | 2009-01-05 | 2009-01-05 | Ultrasonic high-gradient magnetic separation device |
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| CNA200910000027XA CN101549323A (en) | 2009-01-05 | 2009-01-05 | Ultrasonic high-gradient magnetic separation device |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972701A (en) * | 2010-10-14 | 2011-02-16 | 胡薇 | Fluid iron removing device |
| CN102228868A (en) * | 2011-01-26 | 2011-11-02 | 北京工业大学 | Ultrasonic high-voltage electrostatic separation method and system for waste printed circuit board powder |
| CN104399708A (en) * | 2014-11-25 | 2015-03-11 | 攀钢集团矿业有限公司 | Washing method of magnetic medium of magnetic separator |
| CN104874478A (en) * | 2015-06-01 | 2015-09-02 | 中国地质科学院郑州矿产综合利用研究所 | Vibrating magnetic field screening machine |
| CN105642439A (en) * | 2016-03-24 | 2016-06-08 | 陈勇 | Ultra-strong magnetic field iron ore dressing device |
| CN105944829A (en) * | 2016-07-12 | 2016-09-21 | 陈勇 | Rotation flow tank arranging type beneficiation device for additionally controlling ore sand to fall or not to fall in water |
| CN105964389A (en) * | 2016-07-12 | 2016-09-28 | 陈勇 | In-water rotational flow tank type ore dressing device with triangular body additionally arranged between parallel inverted bins |
| CN105983481A (en) * | 2016-07-12 | 2016-10-05 | 陈勇 | Ore dressing device for magnetite in water |
| CN106000629A (en) * | 2016-07-12 | 2016-10-12 | 陈勇 | Underwater rotating flow tank type mineral separation device with triangle body added between parallel pouring bins |
| CN106179729A (en) * | 2016-07-12 | 2016-12-07 | 陈勇 | The ore-dressing plant of magnetic iron ore in a kind of water |
| CN106944254A (en) * | 2017-03-09 | 2017-07-14 | 兖矿北海高岭土有限公司 | A kind of kaolin purifies magnetic separation process |
| CN110961240A (en) * | 2019-11-07 | 2020-04-07 | 郑州大学 | Physical separation and quality improvement method for oil-contaminated cylinder sleeve honing waste |
| CN111659533A (en) * | 2020-06-16 | 2020-09-15 | 太原理工大学 | Wet high-gradient magnetic separation device and method for separating iron from fly ash |
| CN111940706A (en) * | 2020-07-14 | 2020-11-17 | 茆春俊 | Device for purifying molten metal and removing gas in casting cavity |
| CN112657671A (en) * | 2019-10-15 | 2021-04-16 | 国家能源投资集团有限责任公司 | Magnetic separation device, online backwashing method and magnetic separation method |
| CN114749272A (en) * | 2022-04-18 | 2022-07-15 | 湖南中科电气股份有限公司 | Scrap steel magnetic separation system and method |
-
2009
- 2009-01-05 CN CNA200910000027XA patent/CN101549323A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972701A (en) * | 2010-10-14 | 2011-02-16 | 胡薇 | Fluid iron removing device |
| CN101972701B (en) * | 2010-10-14 | 2012-05-23 | 胡薇 | Fluid iron removing device |
| CN102228868A (en) * | 2011-01-26 | 2011-11-02 | 北京工业大学 | Ultrasonic high-voltage electrostatic separation method and system for waste printed circuit board powder |
| CN102228868B (en) * | 2011-01-26 | 2013-07-24 | 北京工业大学 | Ultrasonic high-voltage electrostatic separation method and system for waste printed circuit board powder |
| CN104399708A (en) * | 2014-11-25 | 2015-03-11 | 攀钢集团矿业有限公司 | Washing method of magnetic medium of magnetic separator |
| CN104874478A (en) * | 2015-06-01 | 2015-09-02 | 中国地质科学院郑州矿产综合利用研究所 | Vibrating magnetic field screening machine |
| CN105642439A (en) * | 2016-03-24 | 2016-06-08 | 陈勇 | Ultra-strong magnetic field iron ore dressing device |
| CN105964389A (en) * | 2016-07-12 | 2016-09-28 | 陈勇 | In-water rotational flow tank type ore dressing device with triangular body additionally arranged between parallel inverted bins |
| CN105944829A (en) * | 2016-07-12 | 2016-09-21 | 陈勇 | Rotation flow tank arranging type beneficiation device for additionally controlling ore sand to fall or not to fall in water |
| CN105983481A (en) * | 2016-07-12 | 2016-10-05 | 陈勇 | Ore dressing device for magnetite in water |
| CN106000629A (en) * | 2016-07-12 | 2016-10-12 | 陈勇 | Underwater rotating flow tank type mineral separation device with triangle body added between parallel pouring bins |
| CN106179729A (en) * | 2016-07-12 | 2016-12-07 | 陈勇 | The ore-dressing plant of magnetic iron ore in a kind of water |
| CN106944254A (en) * | 2017-03-09 | 2017-07-14 | 兖矿北海高岭土有限公司 | A kind of kaolin purifies magnetic separation process |
| CN112657671A (en) * | 2019-10-15 | 2021-04-16 | 国家能源投资集团有限责任公司 | Magnetic separation device, online backwashing method and magnetic separation method |
| CN110961240A (en) * | 2019-11-07 | 2020-04-07 | 郑州大学 | Physical separation and quality improvement method for oil-contaminated cylinder sleeve honing waste |
| CN111659533A (en) * | 2020-06-16 | 2020-09-15 | 太原理工大学 | Wet high-gradient magnetic separation device and method for separating iron from fly ash |
| CN111940706A (en) * | 2020-07-14 | 2020-11-17 | 茆春俊 | Device for purifying molten metal and removing gas in casting cavity |
| CN114749272A (en) * | 2022-04-18 | 2022-07-15 | 湖南中科电气股份有限公司 | Scrap steel magnetic separation system and method |
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Open date: 20091007 |