CN101559405B - High-efficiency permanent magnet drum magnetic separator - Google Patents

High-efficiency permanent magnet drum magnetic separator Download PDF

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Publication number
CN101559405B
CN101559405B CN2009100118182A CN200910011818A CN101559405B CN 101559405 B CN101559405 B CN 101559405B CN 2009100118182 A CN2009100118182 A CN 2009100118182A CN 200910011818 A CN200910011818 A CN 200910011818A CN 101559405 B CN101559405 B CN 101559405B
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CN
China
Prior art keywords
magnetic
permanent magnet
ore
permanent
magnetic system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009100118182A
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Chinese (zh)
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CN101559405A (en
Inventor
倪日亮
姜磊
张宪伟
丁林瑞
段其福
冯泉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIAONING WUHUAN TECHNOLOGY DEVELOPMENT CO., LTD.
Original Assignee
MINING MACHINERY BRANCH SHENYANG MINING MACHINERY CO Ltd
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Priority to CN2009100118182A priority Critical patent/CN101559405B/en
Publication of CN101559405A publication Critical patent/CN101559405A/en
Application granted granted Critical
Publication of CN101559405B publication Critical patent/CN101559405B/en
Expired - Fee Related legal-status Critical Current
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • B03C1/025High gradient magnetic separators
    • B03C1/031Component parts; Auxiliary operations
    • B03C1/033Component parts; Auxiliary operations characterised by the magnetic circuit
    • B03C1/0332Component parts; Auxiliary operations characterised by the magnetic circuit using permanent magnets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • B03C1/10Magnetic separation acting directly on the substance being separated with cylindrical material carriers
    • B03C1/14Magnetic separation acting directly on the substance being separated with cylindrical material carriers with non-movable magnets
    • B03C1/145Magnetic separation acting directly on the substance being separated with cylindrical material carriers with non-movable magnets with rotating annular or disc-shaped material carriers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00Details of magnetic or electrostatic separation
    • B03C2201/18Magnetic separation whereby the particles are suspended in a liquid

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  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention relates to a high-efficiency permanent magnet drum magnetic separator which comprises a stander, a tank, a roller, a magnetic system and a drawing template device, and has the technical key points: an output end of a transmission control part is connected with a transmission driving shaft on a permanent magnet roller, the magnetic system is arranged on a fixed bracket at the inner side of the permanent magnet roller, magnetic system wrap angle corresponding to a sorting belt is 120-140 degrees, the number of magnetic poles can be 7-12, the drawing template device is arranged on astander which is separated from the magnetic system and close to the outer surface of the permanent magnet roller, and the tank is also provided with an ore back flushing device used for preventing o re slurry from precipitating. The useful effect depth of scavenging area magnetic field of the magnetic system reaches 110mm, the processing capacity of unit length along the axial direction of a permanent magnet cylinder is large, and the recovery rate of magnetic mineral is high. Concentrated ore can be unloaded by a drawing template, so that the water-saving effect is remarkable compared with the traditional rinse water ore unloading way. A rinsing device is arranged for washing the concentrated ore, thus further removing the impurities in the concentrated ore. The invention has the characteristics of good sorting effect, high concentrated ore quality, simple structure, convenient maintenance, long service life, etc.

Description

High-efficiency permanent-magnet drum type magnetic separator
Technical field
The present invention relates to the mining equiment technical field, specifically a kind of high-efficiency permanent-magnet drum type magnetic separator that is used for the efficient magnetic separation separation equipment of mineral machining large.
Background technology
As everyone knows, magnetic separator is the general magnetic separation separation equipment in ore dressing plant.Along with the head grade of large scale mining ore in recent years is more and more lower, the mineral disseminated grain size is more and more thinner, because there is defective in present permanent magnetic separator self structure, thereby cause the separating effect after the mineral fine grinding not good, simultaneously extensive ore dressing plant exposes the problem of the disposal ability deficiency of unit, therefore, on the market for the exploitation the large-scale separation equipment of permanent magnetism efficiently will be more urgent.
Summary of the invention
The purpose of this invention is to provide a kind of high-efficiency permanent-magnet drum type magnetic separator that is used for the efficient magnetic separation separation equipment of mineral machining large.
The object of the present invention is achieved like this: it includes frame, the cell body that has mine-feeding equipment, cylinder, magnetic system, screeding device, transmission control part, it is characterized in that: the output of transmission control part is connected with defeated moving axis on the permanent magnetic pulley, magnetic system is arranged on the fixed support of inboard of permanent magnetic pulley; sorting and being with pairing magnetic is that cornerite is 120~140 °, and number of magnetic poles is 7~12, and it is 90~110mm that district's magnetic field useful effect degree of depth is scanned by magnetic system; screeding device is arranged on and breaks away from magnetic system and near on the frame of permanent magnetic pulley outer surface, also is provided with a recoil ore deposit device that prevents the ore pulp precipitation in cell body.
The magnetic field force that the present invention utilizes permanent magnetic system to produce, strongly magnetic mineral in the mineral is adsorbed onto on the permanent-magnetic cylindrical outer surface, and along with the rotation of tube skin, after breaking away from the magnetic field force effect, under the effect of scraper plate, break away from tube skin outer surface, outside the discharge machine, the non-magnetic material that is not attracted is discharged from the mine tailing mouth, finishes separation operation.
Permanent magnetic system is a key of the present invention, the magnetic pole group is extremely wide in the magnetic system, circumferencial direction magnetic pole group quantity, the disk pack angle directly influences the sorting index of equipment itself, the disk pack angle that the present invention adopts is between 120~140 °, correspondence sorts strip length and can reach between 1700~1800m with it, more traditional maximum specification diameter is that sorting of 1200mm permanent-magnet drum type magnetic separator is with and the sorting time has increased by 40~50%, the number of magnetic poles that sorts the band circumferencial direction simultaneously is 7~14, it is that the upset number of times that produces increases that magnetic mineral moves to another magnetic pole from a magnetic pole, concentrate be mingled be improved significantly, concentrate grade is higher; Scanning district's magnet pole widths is 255mm, this magnetic field, place useful effect degree of depth can reach 90~110mm, more traditional maximum specification diameter is that the 1200mm permanent-magnet drum type magnetic separator useful effect degree of depth has increased by 60%, the increase of the useful effect degree of depth has realized the increase of axial unit length treating capacity, maximum amplification can reach 110%, and the rate of recovery of equipment itself also is improved simultaneously.The delivery area and unload the mining area magnet pole widths can be according to characteristics such as material fineness configurations 170mm, 130mm, 100mm.
The tradition permanent-magnet drum type magnetic separator all adopts flushing water to unload the ore deposit, causes concentrate concentration on the low side, and for follow-up technology causes bigger inconvenience, the present invention adopts scraper plate to unload the ore deposit, need not add flushing water, and concentrate concentration significantly improves, and has realized the effect of saving water and energy.
Magnetic mineral is mingled with non magnetic ore when being adsorbed onto drum surface phenomenon is comparatively obvious, directly influences the concentrate index, increases the current flushing after magnetic mineral breaks away from ore pulp, can effectively eliminate the phenomenon that is mingled with of magnetic mineral.
District's magnetic field useful effect degree of depth is scanned by magnetic system can reach 100mm, and it is big that the axial unit length of permanent-magnetic cylindrical is handled energy, magnetic mineral rate of recovery height.Concentrate unloads the ore deposit and adopts scraper plate to unload the ore deposit, and more traditional flushing water unloads the ore deposit mode, and to compare water-saving result remarkable.Rinsing device is set concentrate is washed, further remove concentrate and be mingled with.These facility have the energy of processing, and (axially the unit length maximum can reach 230m greatly 3/ hm), and good separation effect, the concentrate grade height, rate of recovery height, water saving, simple in structure, easy to maintenance, characteristics such as long service life.
Description of drawings
Fig. 1 is a structural representation sketch of the present invention;
The symbol description of accompanying drawing major part
1, transmission control part 2, mine-feeding equipment 3, recoil ore deposit device 4, cell body 5, permanent magnetic pulley
6, magnetic is 7, rinsing device 8, screeding device 9, frame 10, unloads the territory, mining area
To be described in further detail invention by example below, but following example only is the present invention's example wherein, the rights protection scope of not representing the present invention and being limited, the scope of the present invention is as the criterion with claims.
The specific embodiment
By shown in Figure 1,9 among the figure is frame, and 6 are magnetic system, and 1 is transmission control part; Frame 9 is provided with a cell body 4 that has a mine-feeding equipment 2, being provided with a diameter in cell body 4 is 1500mm, the permanent magnetic pulley 5 of length 3000mm~5500mm, the output of transmission control part 1 is connected with defeated moving axis on the permanent magnetic pulley 5, magnetic is 6 to be arranged on the fixed support of inside lower end of permanent magnetic pulley 5, be arranged on permanent magnetic pulley 5 inner underside magnetic and be 6 sort that to be with pairing magnetic be that cornerite is 120~140 °, number of magnetic poles is seven~12, scanning district's magnet pole widths is 255mm, screeding device 8 is arranged on and breaks away from magnetic system and the close frame of permanent magnetic pulley outer surface, also is provided with one and prevents the recoil ore deposit device 3 that ore pulp precipitates in cell body.
Primary structure of the present invention is: transmission control part 1 is to be made up of reducing motor, chain wheel pair.Mine-feeding equipment 2 is to be welded by the seamless pipe transverse and longitudinal, and the transverse pipe bottom is opening vertically, and A/F satisfies the mineral slurry flux requirement, and ore pulp is evenly distributed to the permanent-magnetic cylindrical axial direction.Recoil ore deposit device 3 is to be made up of water-main, bend pipe, prevents the ore pulp precipitation.Cell body 4 is to be welded by austenite stainless steel plate, and ore pulp in accordance with regulations direction in cell body flows, the trough body structure difference, and ore pulp flow direction difference obtains the different results that sorts.Can require the different cell bodies of configuration according to ore dressing is different, thereby reach its ore dressing requirement.Permanent-magnetic cylindrical 5 is to be that cylindrical shell, the magnetic system of 1500mm, length 3000mm~5500mm forms by diameter.The magnetic field that magnetic system produces is adsorbed onto drum surface with magnetic mineral, and magnetic mineral is transported to unloads the territory, mining area.Magnetic is 6 to be to be made up of yoke and magnetic pole, magnetic pole be divided into low-intensity magnetic field and in two kinds in magnetic field, low-intensity magnetic field is formed magnetic pole by strontium ferrite, the composite pole that middle magnetic field mainly is made up of high-grade strontium ferrite and rare earth alloy magnet steel (neodymium iron boron).Main effect produces uneven magnetic field, and magnetic mineral is adsorbed onto barrel outer surface, finishes the sorting of magnetic mineral and non magnetic ore.Rinsing device 7 is to be welded by Austenitic stainless steel pipe, after magnetic material breaks away from the water surface it is washed, and reduces being mingled with in the concentrate.Screeding device 8 is to be made up of steel plate and rubber slab, and rubber slab contacts with cylindrical shell, and the material that is transported to this place is scraped.Frame 9 is to be welded by section bar, each parts more than being used for supporting and being connected.Unloading territory, mining area 10 is welded by metallic plate.
Its operation principle is: during the equipment operation, ore pulp evenly enters in the cell body through mine-feeding equipment along the tubular axis direction, guarantee that under the effect of recoil ore deposit device solid particle does not sink to the cell body bottom in the ore pulp, keep suspended state, ore pulp flows and overflows along the cell body downflow weir, the magnetic-particle that district's magnetic pole group is scanned by magnetic system all is adsorbed on drum surface, non magnetic ore is taken away with overflow water, magnetic mineral is transported to through the traffic zone at drum surface and is unloaded not short upset in the process of mining area, obtain being mingled with during absorption removing, the non magnetic ore that concentrate is mingled with under the spray of rinsing device when transporting ore pulp is further removed, concentrate is scraped by scraper plate being transported to when unloading the mining area, obtains the higher concentrate of concentration.

Claims (2)

1. high-efficiency permanent-magnet drum type magnetic separator, it includes frame, the cell body that has mine-feeding equipment, cylinder, magnetic system, screeding device, transmission control part, it is characterized in that: the output of transmission control part is connected with defeated moving axis on the permanent magnetic pulley, and magnetic system is arranged on the fixed support of inboard of permanent magnetic pulley, and sorting and being with pairing magnetic is that cornerite is 120~140 °, number of magnetic poles is 7~12, magnetic system scans and distinguishes the magnetic field useful effect degree of depth is 90~110mm, and screeding device is arranged on and breaks away from magnetic system also near on the frame of permanent magnetic pulley outer surface, also is provided with one and prevents the recoil ore deposit device that ore pulp precipitates in cell body.
2. high-efficiency permanent-magnet drum type magnetic separator according to claim 1 is characterized in that: with magnetic be corresponding and near after also being provided with a magnetic material on the position of permanent magnetic pulley outer surface to break away from the water surface to its rinsing device that washes.
CN2009100118182A 2009-06-02 2009-06-02 High-efficiency permanent magnet drum magnetic separator Expired - Fee Related CN101559405B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100118182A CN101559405B (en) 2009-06-02 2009-06-02 High-efficiency permanent magnet drum magnetic separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100118182A CN101559405B (en) 2009-06-02 2009-06-02 High-efficiency permanent magnet drum magnetic separator

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CN101559405A CN101559405A (en) 2009-10-21
CN101559405B true CN101559405B (en) 2011-11-30

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102698867A (en) * 2012-06-01 2012-10-03 句容市恒祥金属再生利用有限公司 Permanent magnet pulley of grinding wheel ash magnetic separator
CN106269234A (en) * 2016-08-12 2017-01-04 李勇军 Naked magnetic roller
CN108722663A (en) * 2018-06-15 2018-11-02 甘肃酒钢集团宏兴钢铁股份有限公司 A kind of iron ore drum-type wet separation device
CN108654835B (en) * 2018-07-11 2023-10-27 王安生 Super-pure iron fine powder magnetic separator
JP7146685B2 (en) * 2019-03-29 2022-10-04 住友重機械ファインテック株式会社 Drum separator
CN110721806B (en) * 2019-10-14 2021-03-09 周雨威 Magnetic separator for raw ore
CN110980896A (en) * 2019-11-25 2020-04-10 中南大学 Rotating conical surface magnetic separation device and separation method
CN115445767B (en) * 2022-09-14 2023-05-23 承德星铄科技有限公司 Multi-gradient parallel double-roller dry magnetic separator
CN115957883A (en) * 2023-01-05 2023-04-14 鞍钢集团矿业有限公司 Magnetic ore dry separator and working method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5100280A (en) * 1990-03-19 1992-03-31 George Jr Woodrow W Magnetic roller and belt steel shot and grit pick up recovery machine
CN200991658Y (en) * 2006-12-27 2007-12-19 中钢集团马鞍山矿山研究院 Forward-flow wet-type coarse particle permanent magnet tube-type magnetic sorting machine
CN201208575Y (en) * 2008-06-08 2009-03-18 马鞍山市天工科技有限公司 Wet magnetic separator for permanent magnet barrel type fine particles
CN201410409Y (en) * 2009-06-02 2010-02-24 沈阳选矿机械研究所 High efficient permanent-magnetic drum magnetic separator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5100280A (en) * 1990-03-19 1992-03-31 George Jr Woodrow W Magnetic roller and belt steel shot and grit pick up recovery machine
CN200991658Y (en) * 2006-12-27 2007-12-19 中钢集团马鞍山矿山研究院 Forward-flow wet-type coarse particle permanent magnet tube-type magnetic sorting machine
CN201208575Y (en) * 2008-06-08 2009-03-18 马鞍山市天工科技有限公司 Wet magnetic separator for permanent magnet barrel type fine particles
CN201410409Y (en) * 2009-06-02 2010-02-24 沈阳选矿机械研究所 High efficient permanent-magnetic drum magnetic separator

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