CN1010832B - Pulsating high gradient magnetic separator with vertical ring - Google Patents

Pulsating high gradient magnetic separator with vertical ring

Info

Publication number
CN1010832B
CN1010832B CN 86106144 CN86106144A CN1010832B CN 1010832 B CN1010832 B CN 1010832B CN 86106144 CN86106144 CN 86106144 CN 86106144 A CN86106144 A CN 86106144A CN 1010832 B CN1010832 B CN 1010832B
Authority
CN
China
Prior art keywords
magnetic
change
bucket
magnetic separator
lower yoke
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
Application number
CN 86106144
Other languages
Chinese (zh)
Other versions
CN86106144A (en
Inventor
熊大和
钟诚学
王键敏
周运香
田启东
邓星中
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.)
GANZHOU NONFERROUS METALLURGICAL RESEARCH INSTITUTE
Original Assignee
GANZHOU NONFERROUS METALLURGICAL RESEARCH INSTITUTE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GANZHOU NONFERROUS METALLURGICAL RESEARCH INSTITUTE filed Critical GANZHOU NONFERROUS METALLURGICAL RESEARCH INSTITUTE
Priority to CN 86106144 priority Critical patent/CN1010832B/en
Publication of CN86106144A publication Critical patent/CN86106144A/en
Publication of CN1010832B publication Critical patent/CN1010832B/en
Expired legal-status Critical Current

Links

Images

Abstract

The present invention relates to a pulsating high-gradient magnetic separator with a vertical-ring, which is an electromagnetic ore dressing device suitable for separating fine weak-magnetic minerals. The grade of magnetic ore concentrate and the ore dressing efficiency can be improved to a great extent through pulsating high-gradient magnetic separation; a vertical ring is used for transporting magnetic media and reversely flushes magnetic ore concentrate; the vertical ring is combined with pulsating, magnetic media can be effectively prevented from blocking, and the upper limit of grain size separation can be increased; pulsating strokes, stroke frequency, magnetic field intensity, the flow rate of ore slurry, the rotating speed of rotary rings, etc. can be adjusted within a big range. The present invention separates various fine weak-magnetic minerals of which the grain size is less than 1 millimeter, and a good magnetic separation index can be obtained.

Description

Pulsating high gradient magnetic separator with vertical ring
The invention belongs to the benficiation machinery technical field.
The high gradient magnetic separator of initial development is a periodic, is mainly used in kaolinic purification and wastewater treatment.Middle nineteen seventies has been developed the continous way horizontal disk high gradient magnetic separator in the world, is used for weak magnetic minerals such as sorting hematite, manganese ore.But because the interaction between intensive ferromagnetism magnetizing mediums heap, strong magnetic force and the particle, and the feed particle size of metalliferous mineral is much larger than kaolinic feed particle size.Horizontal disk high gradient magnetic separator more easily forms the magnetizing mediums obstruction and has more non-magnetic particle to be mixed in the magnetic material, has reduced the grade of magnetic product and the rate of recovery of non magnetic useful component.The U.S. developed the electromagnetism vertical ring high-gradient magnetic separator that permanent magnet vertical ring high gradient magnetic separator Czechoslovakia makes in 1985, the direction of giving ore deposit direction and row's magnetic product of these two kinds of upright ring type high gradient magnetic separators with respect to the magnetizing mediums heap oppositely, coarse grain and wooden slag grass bits can follow former road and be gone out by water, so the more flat ring type high gradient magnetic separator of clogging is good.But above-mentioned two kinds of vertical ring high-gradient magnetic separators all do not take effective measures and improve the grade and the sorting granularity upper limit of magnetic product, so the low problem of its magnetic concentrate quality difference and the sorting granularity upper limit still exists.The problem that exists at the high gradient magnetic separator of present appearance, in order to improve the grade of magnetic concentrate significantly and to keep higher recovery, improve the sorting granularity upper limit, especially in elimination magnetizing mediums clogging important breakthrough is arranged, developed and be adapted to industrial continous way pulsating high gradient magnetic separator.
Technology contents of the present invention is summarized as follows:
Accompanying drawing one is the structural map of pulsating high gradient magnetic separator
Accompanying drawing two is that the magnetic of pulsating high gradient magnetic separator binds composition
Accompanying drawing three is that the pulsating high gradient magnetic separator magnetic line of force moves towards schematic diagram
Accompanying drawing four is pulsating high gradient magnetic separator change structure charts
Accompanying drawing five is pulsating high gradient magnetic separator pulsing mechanism structure charts
With reference to figure one, the present invention mainly is (2), change driving mechanism (3), change (4), concentrate flusher (5), concentrate bucket (6), dash bucket (7), mine feeding bucket (8), forms for bucket (9), deslagging bucket (10), drain bucket (11) and frame (12) by pulsing mechanism (1), magnetic.
With reference to figure five, pulsing mechanism (1) is made up of pulsation bucket (25), rubber eardrum (26), connecting rod (27), eccentric (28), variable-speed motor (29) and belt pulley (30).Pulsion stroke can be regulated in 0~4 cm range, and the pulsation jig frequency can be regulated in 0~600 time/minute scope.
With reference to figure two, magnetic is semi-closed magnetic system, is made of magnetizing coil (13), lower yoke (14), upper magnet yoke (15) and swing link (16).Magnetizing coil rectangle hollow pure copper tube coiling, the number of turn is 86~90 circles, with the organic insulation insulation, the coil appearance is coated with the multiple epoxy resin watertight composition of one deck between circle and the circle, and power supply mode is a direct current, low-voltage and high-current, the electric current adjustable range is 0~1500 ampere, and correspondent voltage is 0~26 volt, and excitatory power consumption is 0~39 kilowatt, the coil type of cooling is an internal water cooling, and coil has four pairs of Inlet and outlet water taps.Pressure of supply water is 1~2 kilograms per centimeter 2
Upper magnet yoke and lower yoke are made with quiet type engineering pure iron, last lower yoke is positioned at the magnetic stainless steel of lining one deck 10~20 millimeters thick on the arc surface in ore dressing district, the lower yoke arc surface right central angle be 90 °, the upper magnet yoke arc surface right central angle be 112 °, slit on upper magnet yoke and the lower yoke (34) is ore pulp and the passage of adding water, 8~10 millimeters of slit widths.Flow rate of pulp can be regulated in 0~20 cel scope.
Swing link is with non-magnetic stainless steel manufacturing, its effect is to stop ore pulp to magnetizing coil direction seepage, the seam crossing of swing link and upper and lower yoke is equipped with rubber weather strip, its mounting means is: at the arc surface of upper magnet yoke and the lower yoke sulculus of having got on the bus, sealing strip is embedded in the sulculus, the inside and outside circle cambered surface of the swing link small boss of having got on the bus is pressed into boss in the sulculus and can realizes static seal.
With reference to figure two, figure three, the space that last yoke magnetic arc surface, lower yoke arc surface and swing link surround is the ore dressing district, the direction of the magnetic line of force is regulated the size of exciting curent and can be regulated background magnetic induction intensity shown in accompanying drawing three, and the adjustable range of background magnetic induction intensity is 0~1.2 tesla.
With reference to figure four, change of the present invention (4) is made up of ring flat-plate (17), spoke (18), reinforcement (19), y-shaped sealing strip (20), dividing plate (21), single lip seal bar (22), filler strip (23), magnetizing mediums (24).The change external diameter is 1 meter, and 0.8 meter of internal diameter is wide 0.8 meter, and ring flat-plate, reinforcement and dividing plate are with non-magnetic stainless steel manufacturing.Ring flat-plate and dividing plate surround 24 rectangular sort boxes (31), and each sorting box size is the same.Magnetizing mediums in each sorting box can exchange, and the spoke material is a common iron.Filler strip is made with magnetic stainless steel, filler strip is processed into sharp tooth towards an end of upper magnet yoke and lower yoke arc surface, the magnetic line of force is assembled, near pointed tooth, form strong field of magnetic forece, the strongly magnetic mineral that sticks to upper magnet yoke and lower yoke arc surface can be inhaled and on filler strip, take the ore dressing district out of with change.In addition, filler strip also plays fixedly magnetizing mediums effect, filler strip near the change exterior arc surface is movable, so that loading and unloading magnetizing mediums, respectively be processed with a sulculus that is used to adorn y type sealing strip on the inside and outside circle of ring flat-plate and on two inclined-planes at reinforcement inner ring (19), y type sealing strip (20) is contained in respectively in these six sulculuses.Major part at dividing plate (21) is processed with a sulculus that is used to adorn single lip seal bar, be welded with " a 7 " font batten at the microcephaly place, formed a sulculus that is used to adorn single lip seal bar, single lip seal bar (22) just is contained on the large and small head of dividing plate (21).Change drives with AC speed regulating motor, and by the cycloidal planetary gear speed reducer speed change, the speed ratio of power shaft and output shaft is 121, and the change rotating speed is 0.6~6 rev/min.
The material of magnetizing mediums is a magnetic stainless steel in the sorting box, and its type can be steel wool, expanded metal lath or other thread medium, determines to select for use by matching relationship according to person's granularity of concrete raw material.
Y-shaped sealing strip and single lip seal bar abrasive rubber manufacturing, replaceable at any time after the wearing and tearing, needn't tear any parts of complete machine during replacing open.Change and upper and lower yoke arc surface that y-shaped sealing strip, single lip seal bar are housed constitute the movable sealing system, stop ore pulp to leak, and guarantee the kinetic energy transmission of pulsation ore pulp.
With reference to figure one, concentrate flusher (5) is made up of three water pipes (32) and lubricator (33), and it is 2~4 millimeters circular hole water spray that every wash tub pipe bottom is drilled with a series of diameters, and the injection flow rate size is by the valve control of each wash tub pipe.
Concentrate bucket, mine feeding bucket, all use the general steel plate manufacturing for bucket, drain bucket, dash bucket, deslagging bucket are all used non-magnetic conductive metal manufacturing, and frame (12) is made with the regular troughs steel.
Assorting room of the present invention is as follows: before giving the ore deposit, connect the dc source of magnetizing coil (13), start change, magnetizing mediums enters the ore dressing district from dash bucket (7) one sides continuously with change.Start palsating equipment, ore pulp feeds from mine feeding bucket (8), slit (34) along upper magnet yoke (15) the right flows to the ore dressing district, pass magnetizing mediums, the magnetic ore particle is attracted on the poly-medium of magnetic, and in the pulsation bucket, ore pulp is made pulsating motion, make the non-magnetic particle that is mixed in the magnetizing mediums under the effect of the impulsive force of fluid force, inertia force, pulsation ore pulp and gravity, discharge through the slit and the pulsation bucket (25) of lower yoke (14) with mine tailing; Rinse water feeds from giving bucket (9),, by magnetizing mediums the non-magnetic particle that is mixed in the magnetizing mediums heap is further cleared out along the slit (34) of (15) of upper magnet yoke.The be magnetic magnetizing mediums of ore particle of suction is taken the ore dressing district out of with the change campaign, remaining moisture content is discharged through three slits and the drain bucket (11) in lower yoke left side, residue is drained through deslagging bucket (10), the magnetic ore particle is rinsed the water of ejection in the device (5) and goes out at the change top, flow to concentrate bucket (6).Be rinsed clean magnetizing mediums and reenter the ore dressing district with change, thus the continuous sorting of realization complete machine.
Unit disposal ability of the present invention per hour is 4~7 tons of raw ores, and after equipment amplified, the unit disposal ability can reach per hour 50~100 tons of raw ores.
Advantage of the present invention is: (1) continuous high gradient magnetic separator combines with pulsing mechanism is ingenious, realizes the pulsating high gradient magnetic separation, except that can obtaining the higher rate of recovery, can improve the grade of magnetic product especially significantly; (2) under the effect of pulsing mechanism, the retentate that rests in the magnetizing mediums heap is constantly impacted in the vibration of ore pulp, and the blockage problem of magnetizing mediums is eliminated; (3) magnetic system adopts semiclosed magnetic circuit, and the magnetic line of force is parallel with the ore pulp flow direction, and magnetic is that magnetic circuit is short, leakage field is few, can produce higher background field intensity in the ore dressing district, closes magnetic system relatively with totally-enclosed, under the suitable situation of excitatory efficient, magnetic of the present invention is to save 1/3rd engineering pure iron; (4) filler strip in the change except that fixing magnetizing mediums, also can change over to and is adsorbed onto on the crown of filler strip top being adsorbed on ferromagnetism particle on the upper and lower yoke arc surface, helps alleviating the wearing and tearing of change and upper and lower yoke arc surface; (5) magnetic field intensity of the present invention, pulsion stroke, jig frequency, flow rate of pulp and change rotating speed can be regulated in a big way, help selecting optimum sorting condition according to selected feedstock property.
The present invention be suitable for handling granularity less than 1 millimeter, greater than 2 microns various weak magnetic mineral sortings and kaolinic purifications.

Claims (7)

1, a kind of wet high-intensity magnetic field magnetic separator, by mine feeding bucket (8), give bucket (9), change (4), change driving mechanism (3), magnetic system (2), pulsing mechanism (1), concentrate flusher (5), concentrate bucket (6), dash bucket (7), drain bucket (11), deslagging bucket (10), frame compositions such as (12), be used to handle the particulate weak magnetic mineral, it is characterized in that: the change of vertical configuration (4) surrounds a plurality of rectangular sort boxes (31) by ring flat-plate (17) and dividing plate (21), the magnetic stainless steel expanded metals is housed in the sorting box, by magnetizing coil (13), lower yoke (14), upper magnet yoke (15), the magnetic system (2) that swing link (16) is formed is configured in the bottom of change, and magnetic is that the bottom is contained in pulsing mechanism (1).
2, magnetic separator according to claim 1 is characterized in that, 0 to 40 millimeter of said pulsing mechanism pulsion stroke, pulsation jig frequency 0~600 time/minute.
3, magnetic separator according to claim 1, it is characterized in that said magnetic system (2) is a semi-closed magnetic system, form by magnetizing coil (13), lower yoke (14), upper magnet yoke (15), swing link (16), coil turn 86~90 circles, 0~1500 ampere of exciting curent, the central angle of upper magnet yoke (15) arc surface is 112 °, and the central angle of lower yoke (14) arc surface is 90 °, and last lower yoke is positioned at the magnetic stainless steel plate of lining one deck 10~20 millimeters thick on the arc surface in ore dressing district.
4, magnetic separator according to claim 3 is characterized in that said swing link (16) with non-magnetic stainless steel manufacturing, and the seam crossing of swing link and last lower yoke is equipped with the rubber mass sealing strip.
5, magnetic separator according to claim 1, said change (4) is by ring flat-plate (17), spoke (18), y-shaped sealing strip (20), dividing plate (21), single lip seal bar (22), filler strip (23), magnetizing mediums formations such as (24), 0.6~6 rev/min of change rotating speed.
6, magnetic separator according to claim 5 is characterized in that said filler strip (23) material is a magnetic stainless steel, and filler strip (23) is processed into sharp tooth towards an end of upper magnet yoke (15) and lower yoke (14) arc surface, and wedge angle is 80 °~90 °.
7, magnetic separator according to claim 5, it is characterized in that on the Internal and external cycle of said change (4) ring flat-plate (17) and on two inclined-planes of reinforcement inner ring, respectively process a sulculus, y-shaped sealing strip (20) is contained in respectively on above-mentioned six sulculuses, the major part of dividing plate (21) is processed with a sulculus, the microcephaly place is welded with " a 7 " font batten, constitute a sulculus, single lip seal bar (22) is contained in the sulculus of concentric reducer.
CN 86106144 1986-09-06 1986-09-06 Pulsating high gradient magnetic separator with vertical ring Expired CN1010832B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 86106144 CN1010832B (en) 1986-09-06 1986-09-06 Pulsating high gradient magnetic separator with vertical ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 86106144 CN1010832B (en) 1986-09-06 1986-09-06 Pulsating high gradient magnetic separator with vertical ring

Publications (2)

Publication Number Publication Date
CN86106144A CN86106144A (en) 1988-03-16
CN1010832B true CN1010832B (en) 1990-12-19

Family

ID=4803093

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 86106144 Expired CN1010832B (en) 1986-09-06 1986-09-06 Pulsating high gradient magnetic separator with vertical ring

Country Status (1)

Country Link
CN (1) CN1010832B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100503048C (en) * 2005-12-30 2009-06-24 赣州金环磁选设备有限公司 Dry type vibratory high-gradient magnetic separator
CN101722102B (en) * 2009-12-01 2012-01-11 中南大学 Oblique-ring high-gradient magnetic separator
CN101786041A (en) * 2010-02-23 2010-07-28 中国神华能源股份有限公司 Vertical-ring magnetic separator for deferrization of pulverized coal ash
CN103736587B (en) * 2013-12-17 2016-06-08 攀钢集团矿业有限公司 Non-homogeneous strong magnetizing mediums, magnetic plant and magnetic selection method
CN104624366B (en) * 2015-02-03 2017-06-30 广州粤有研矿物资源科技有限公司 A kind of trans vertical ring high-gradient magnetic separator
CN104874474A (en) * 2015-06-10 2015-09-02 岳阳大力神电磁机械有限公司 Beneficiation method for xenotime
CN104941784B (en) * 2015-06-30 2018-11-13 广西华锡集团股份有限公司车河选矿厂 Jigging machine
CN105597897B (en) * 2015-12-31 2018-07-13 中南冶金地质研究所 A method of manganese grade in ultra-poor manganese ore is improved using combination grade gradient magnetic separation technique
CN106622646A (en) * 2017-02-24 2017-05-10 沈阳隆基电磁科技股份有限公司 Forced-oil-cooling vertical rotating ring induction type wet process pulse intensity magnetic separator
CN109351470A (en) * 2018-11-30 2019-02-19 广州粤有研矿物资源科技有限公司 Mine choosing method and mine select system
CN112452534A (en) * 2020-10-26 2021-03-09 赣州金环磁选设备有限公司 Continuous vibration pulsation high-gradient magnetic separator

Also Published As

Publication number Publication date
CN86106144A (en) 1988-03-16

Similar Documents

Publication Publication Date Title
CN201275499Y (en) Vertical-ring high-gradient magnetic separation machine
CN1010832B (en) Pulsating high gradient magnetic separator with vertical ring
CN1151000C (en) Double-frequency vertical-ring pulsed high-gradient magnetic dressing machine
CN2246023Y (en) Belt-type permanent magnetic concentrating machine
CN2917799Y (en) Pulsating magnetic selection column
CN104874478A (en) Vibrating magnetic field screening machine
CN2306837Y (en) High field strong electromagnetic pulsating high gradient magnetic separator
CN204892121U (en) Vibrating magnetic field screening machine
CN2683252Y (en) Vertical rotary magnetic field magnetic gravitational separator
CN106216095B (en) Concentration equipment
CN102794229B (en) Vertical stirring concentrator
CN104624366A (en) Trans-vertical ring high gradient magnetic separator
CN101045222A (en) Magnetic centrifugal concentrating machine
CN2188429Y (en) Magnetic cobbing column
CN102527512A (en) Intelligent efficient classificator
CN1172752C (en) Double-frequency pulse and double-vertical ring high-gradient magnetic separator
CN2765670Y (en) Electromagnetic refiner
CN2928248Y (en) Magnetic oriented flow guide ore washing and ore dressing machine
CN201098643Y (en) Chain ring type magnetic separator
CN202021091U (en) Continuous centrifugal ore separator
CN2557233Y (en) Double-frequency pulse double-vertical ring high-gradient magnetic separator
CN205462717U (en) Chain belt magnetic separation device
CN2178563Y (en) Double-cylinder dual-pole type permanent-magnet strong magnetic separation machine
CN202410829U (en) Intelligent efficient classificator
CN2323874Y (en) Magnetic separator

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C13 Decision
GR02 Examined patent application
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CX01 Expiry of patent term