CN104588206A - Exsuction-suction united dry pre-separator - Google Patents

Exsuction-suction united dry pre-separator Download PDF

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Publication number
CN104588206A
CN104588206A CN201510036220.4A CN201510036220A CN104588206A CN 104588206 A CN104588206 A CN 104588206A CN 201510036220 A CN201510036220 A CN 201510036220A CN 104588206 A CN104588206 A CN 104588206A
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belt
aspiration
dry
aside
endless
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CN201510036220.4A
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刘秉裕
刘阳
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刘阳
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Priority to CN201510036220.4A priority Critical patent/CN104588206A/en
Publication of CN104588206A publication Critical patent/CN104588206A/en
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Abstract

The invention relates to an exsuction-suction united dry pre-separator, which is characterized in that the pre-separator is a multistage efficient magnetite dry pre-separation apparatus integrating the functions of exsuction, suction and kicking-off. The pre-separator is provided with a material flattening device, a roll-type pre-exsuction device, a ribbon-type exsuction device and a dry waste kicking-off device, wherein the ribbon-type exsuction device is arranged in two forms, i.e. in a vertical arrangement or a parallel arrangement mode; and the pre-separator is composed of the material flattening device, the roll-type pre-exsuction device, the ribbon-type exsuction device, an annular material conveying belt, the dry waste kicking-off device, a dry waste hopper, a dry concentrate hopper and a ribbon-type exsuction device dry-concentrate auxiliary hopper, wherein the material flattening device, the roll-type pre-exsuction device and the ribbon-type exsuction device are arranged above the annular material conveying belt. The pre-separator disclosed by the invention solves the problem that in the conventional magnetic roller pre-separation of magnetite, the waste discarding rate is not high, and the grade of discarded magnetic iron is high. The waste discarding rate of the pre-separator disclosed by the invention is 30-100% higher than that of conventional magnetic roller dry-separation, the grade of discarded magnetic iron is 1-2% lower than that of the conventional magnetic roller dry-separation, and the grade of dry concentrates is 1-3% higher than that of the conventional magnetic roller dry-separation.

Description

A kind of sucking-off-hold associating dry type preliminary election machine
Technical field
The invention belongs to a kind of efficient magnetic iron ore dry type pre-selection device, particularly a kind of sucking-off-hold associating dry type preliminary election machine.
Background technology
No matter magnetic iron ore is that " dew is adopted " or " adopt " are all mixed with a certain amount of country rock, horsestone, and along with a large amount of exploitations of magnetic iron ore, magnetic iron ore is " poor, thin, assorted " more and more, and country rock, horsestone mixed volume are more and more.At present, magnetic iron ore poor, thin, assorted in the prior art directly enters mill, needs mill to select a large amount of barren rocks, and meaningless mill selects a large amount of barren rock to increase steel consumption and energy consumption, increases environmental pollution, increases considerably Concentrate cost, reduce the economic benefit in ore dressing plant.Traditional solution all needs to carry out preliminary election to the magnetic iron ore entering mill, rejected the country rock, the horsestone that are mixed into by preliminary election; Usually adopt one section or two sections " magnetic pulley or magnetic druies " to carry out preliminary election to the magnetic iron ore entering mill, reject the country rock, the horsestone that are mixed into.But single magnetic pulley or magnetic drum preliminary election can not divide the barren rock in granular material, also there is magnetic nugget and push down barren rock nugget or ore faces and part barren rock is entrained in dry fine fodder bucket and go, cause dry smart Armco magnetic iron grade on the low side; When the more weak magnetic nugget of magnetic or ore faces are in the top of the bed of material, can be thrown in barren rock hopper again because the magnetic force be subject to is less, dry useless Armco magnetic iron grade can be made higher, cause single pre-separation using magnetic pulley to be " essence and not smart; useless and do not give up ", seriously have impact on the economic benefit in ore dressing plant.
Summary of the invention
Instant invention overcomes the defect of above-mentioned existence, object is solve magnetic iron ore preliminary election, rejects the country rock, the horsestone that are mixed into, provides a kind of sucking-off-hold associating dry type preliminary election machine.
Sucking-off of the present invention-hold associating dry type preliminary election machine content Description:
Sucking-off of the present invention-hold associating dry type preliminary election machine, it is characterized in that: sucking-off-hold associating dry type preliminary election machine is a kind of multi-stage, efficient magnetic iron ore dry type pre-selection device integrating sucking-off, hold, cast aside, be provided with in sucking-off-hold in associating dry type preliminary election machine: the pre-aspiration device of flat materials device, roll-type, belt aspiration device and dryly uselessly cast device aside, belt aspiration device adopts the two kinds of forms that are arranged vertically or are arranged in parallel, be the perpendicular configuration of the center line of belt aspiration device endless-belt center line and mass transport endless-belt when belt aspiration device is arranged vertically, done smart secondary hopper formed by flat materials device, the pre-aspiration device of roll-type, belt aspiration device, mass transport endless-belt, dry useless device, dry waste material bucket, dry fine fodder bucket and the belt aspiration device of casting aside, it is the configuration that the center line of belt aspiration device endless-belt parallels with the center line of mass transport endless-belt when belt aspiration device is arranged in parallel, by flat materials device, the pre-aspiration device of roll-type, belt aspiration device, mass transport endless-belt, dry giving up casts device aside, dry waste material bucket, dry fine fodder bucket and the dry fine fodder bucket of belt aspiration device are formed, flat materials device, the pre-aspiration device of roll-type, belt aspiration device is arranged on the top of mass transport endless-belt, its distributing order is followed successively by: flat materials device, pre-aspiration device, belt aspiration device, the trend of mass transport endless-belt is clockwise.
Flat materials device is pears formulas, and be made up of flat material moldboard, plow-shape crossbeam, moldboard fixed support, flat materials device is supported by moldboard fixed support, flat material moldboard has 2 elongated holes, is bolted on the screw of plow-shape crossbeam by four.
The pre-aspiration device of roll-type lacks fixing magnetic system by pre-sucking-off roller, circle and hood is formed, the hood of the pre-aspiration device of nonmagnetic roll-type is provided with in the outside of pre-sucking-off roller, in pre-sucking-off roller, be provided with circle lack fixing magnetic system, the scarce fixing magnetic system of circle is that the high performance permanent magnet of circumferentially N, S alternating polarity fixes magnetic system, pre-sucking-off roller is arranged on the top of mass transport endless-belt, and the lower roll surface of pre-sucking-off roller is 40mm-80mm to zone face distance on mass transport endless-belt.
Belt aspiration device is made up of belt aspiration device great wheel, belt aspiration device tail wheel, belt aspiration device endless-belt, fixing magnetic system, belt aspiration device hood and belt aspiration device frame; Fixing magnetic system is the magnetic system that the high performance permanent magnet of N, S alternating polarity be arranged under belt aspiration device endless-belt on endless belt on zone face is formed, belt aspiration device is arranged on the top of mass transport endless-belt, belt aspiration device great wheel, belt aspiration device tail wheel are separately fixed at head and the afterbody of belt aspiration device frame, belt aspiration device great wheel is motorized pulleys, and the lower belt surface of belt aspiration device endless-belt is 50mm-130mm to the distance between dry useless upper zone face of casting the mass transport endless-belt of device aside.
Dry useless cast that device uselessly being cast device great wheel aside by doing, dryly uselessly being cast device tail wheel aside, mass transport endless-belt, dry useless device circle of casting aside lack fixing magnetic system, dry fine fodder bucket, dry waste material bucket, be separated dividing plate and dryly uselessly cast device frame aside and form aside, dry giving up casts the great wheel that device great wheel is mass transport endless-belt aside, it is fixed on the head of frame by axle and bearing, dry useless tail wheel of casting device aside, the afterbody of frame is fixed on by axle and bearing, dry useless urceolus of casting device great wheel aside is the cydariform urceolus of nonmagnetic substance, dry useless casting aside in device great wheel is provided with circumferentially polarity N, the dry useless device circle of casting aside that S replaces lacks fixing magnetic system, the dry useless magnetic field intensity scope casting the scarce fixing magnetic system of device circle aside is 150-200mT, be separated dividing plate and be arranged on dry useless position, bottom right of casting device great wheel aside, the lower end being separated dividing plate is hinge centres, be separated dividing plate to rotate about along hinge centres.
The multistage sucking-off of the present invention-hold associating dry-dressing machine to solve the preliminary election of magnetic iron ore conventional magnetic cylinder, the useless rate of throwing is not high, throws the difficult problem that useless Armco magnetic iron grade is higher.It is thrown useless rate and to give up productive rate high 30-100% than the throwing of conventional magnetic cylinder dry separation, and it is low 1-2 percentage points to throw useless Armco magnetic iron grade, dry 1-3 percentage points of high grade of essence.
Accompanying drawing explanation
Fig. 1 is belt aspiration device and the vertically arranged structural representation of material conveyer belt of sucking-off-hold associating dry type preliminary election machine;
Fig. 2 is the structural representation that the belt aspiration device of sucking-off-hold associating dry type preliminary election machine and material conveyer belt are arranged in parallel;
Fig. 3 is the structure section schematic diagram of the flat materials device of plough;
Fig. 4 is the top view of the flat materials device of plough;
Fig. 5 is pre-aspiration device structural representation;
Fig. 6 is belt aspiration device structural representation;
Fig. 7 is that dry the giving up of mass transport and magnetic roller type casts apparatus structure schematic diagram aside;
In figure: 1 is flat materials device, 2 is the pre-aspiration devices of roll-type, 3 is belt aspiration devices, 4 is mass transport endless-belts, 5 is that dry giving up casts device aside, 6 is dry waste material buckets, 7 is dry fine fodder buckets, 8 is the dry fine fodder buckets of belt aspiration device, 9 is flat material moldboards, 10 is plow-shape crossbeams, 11 is moldboard fixed supports, 12 is pre-sucking-off rollers, 13 is that circle lacks fixing magnetic system, 14 is hoods, 15 is belt aspiration device great wheels, 16 is belt aspiration device tail wheels, 17 is belt aspiration device endless-belts, 18 is belt aspiration device hoods, 19 is belt aspiration device frames, 20 is fixing magnetic systems, 21 is dry smart secondary hoppers, 22 is that dry giving up casts device great wheel aside, 23 is that dry giving up casts device tail wheel aside, 24 is that dry useless device circle of casting aside lacks fixing magnetic system, 25 is be separated dividing plate, 26 is that dry giving up casts device frame aside.
Detailed description of the invention
Sucking-off of the present invention-hold associating dry type preliminary election machine is a kind of multi-stage, efficient magnetic iron ore dry type pre-selection device, be provided with in sucking-off-hold in associating dry type preliminary election machine: the pre-aspiration device 2 of flat materials device 1, roll-type, belt aspiration device 3 and dryly uselessly cast device 5 aside, sucking-off-hold belt aspiration device in associating dry type preliminary election machine can adopt the two kinds of forms that are arranged vertically or are arranged in parallel, illustrates below in conjunction with Fig. 1 and Fig. 2.
Fig. 1, it is sucking-off-hold belt aspiration device and the vertically arranged structural representation of material conveyer belt in associating dry type preliminary election machine, be the perpendicular configuration of the center line of belt aspiration device endless-belt 17 center line and mass transport endless-belt 4, done smart secondary hopper 21 formed by flat materials device 1, the pre-aspiration device of roll-type 2, belt aspiration device 3, mass transport endless-belt 4, dry useless device 5, dry waste material bucket 6, dry fine fodder bucket 7 and the belt aspiration device of casting aside.
Fig. 2, it is sucking-off-hold the structural representation that in associating dry type preliminary election machine, belt aspiration device and material conveyer belt are arranged in parallel, be the configuration that the center line of belt aspiration device endless-belt 17 parallels with the center line of mass transport endless-belt 4, by flat materials device 1, the pre-aspiration device of roll-type 2, belt aspiration device 3, mass transport endless-belt 4, dry useless cast device 5, dry waste material bucket 6, dry fine fodder bucket 7 and the dry fine fodder bucket 8 of belt aspiration device aside and form.
In Fig. 1 and Fig. 2, the pre-aspiration device 2 of flat materials device 1, roll-type, belt aspiration device 3 are all arranged on the top of mass transport endless-belt 4, its distributing order is: flat materials device 1, pre-aspiration device 2, belt aspiration device 3, the trend of mass transport endless-belt 4 is clockwise, and material to be selected is given above the left side annular materials conveyer belt of flat materials device 1.
Fig. 3, Fig. 4 are respectively front view and the top view of flat materials device
Flat materials device 1 is pears formulas, is made up of flat material moldboard 9, plow-shape crossbeam 10, moldboard fixed support 11, and the flat material moldboard 9 of flat materials device 1 is by four bolted on plow-shape crossbeam 10, and upper-lower height is adjustable, and plow-shape crossbeam 10 is welded on support 11.The effect of flat materials device be by shakeouing to the material to be selected on annular materials conveyer belt, make thinner, uniform distribution.
Fig. 5 is the structural representation of the pre-aspiration device 2 of roll-type, the pre-aspiration device 2 of roll-type, by pre-sucking-off roller 12, circle lacks fixing magnetic system 13 and hood 14 is formed, the hood 14 of the pre-aspiration device of nonmagnetic roll-type is provided with in the outside of pre-sucking-off roller 12, in pre-sucking-off roller 12, be provided with circle lack fixing magnetic system 13, it is circumferentially N that circle lacks fixing magnetic system 13, the high performance permanent magnet of S alternating polarity fixes magnetic system, pre-sucking-off roller 12 is arranged on the top of mass transport endless-belt 4, its effect is efficiently by material bed magnetic nugget, particularly the particulate magnetic material in material bed efficiently can be inhaled at roll surface and is dispensed in material bed top, the lower roll surface of pre-sucking-off roller 12 is 40mm-80mm to zone face distance on mass transport endless-belt 4, Height Adjustable, sucking-off roller peripheral speed is that 1.8-2.5m/s speed is adjustable.
Fig. 6 is the structural representation of belt aspiration device 3, and belt aspiration device 3 is made up of belt aspiration device great wheel 15, belt aspiration device tail wheel 16, belt aspiration device endless-belt 17, fixing magnetic system 20, belt aspiration device hood 18 and belt aspiration device frame 19; Fixing magnetic system 20 is magnetic systems that the high performance permanent magnet of N, S alternating polarity be arranged on belt aspiration device endless-belt 17 times endless belt on zone face is formed, belt aspiration device 3 is arranged on the top of mass transport endless-belt 4, belt aspiration device great wheel 15, belt aspiration device tail wheel 16 are separately fixed at head and the afterbody of belt aspiration device frame 19, belt aspiration device great wheel 15 is motorized pulleys, can by frequency control; Belt aspiration device 3 is arranged on the top of mass transport endless-belt 4, the lower belt surface of belt aspiration device endless-belt 17 is 50mm-130mm to the distance between dry useless upper zone face of casting the mass transport endless-belt 4 of device 5 aside, and it is Height Adjustable, in its sucking-off stroke, there is second culling effect, selective height, is with smart Armco magnetic iron of high grade.The belt aspiration device great wheel 15 of belt aspiration device 3, belt aspiration device endless-belt 17, the dry useless mass transport endless-belt 4 of casting device aside that holds drive rotation by the variable-frequency electric power system of peripheral hardware by motor respectively, and speed is adjustable.
Fig. 7 is that dry the giving up of mass transport and magnetic roller type casts apparatus structure schematic diagram aside,
Dry useless device 5 of casting aside is by dryly uselessly casting device great wheel 22 aside, dryly uselessly casting device tail wheel 23, mass transport endless-belt 4 aside, dryly uselessly casting that device circle lacks fixing magnetic system 24, dry fine fodder bucket 7, dry waste material bucket 6 are separated dividing plate 25 aside and dryly uselessly cast device frame 26 aside and form, dry giving up casts the great wheel that device great wheel 22 is mass transport endless-belts 4 aside, it is fixed on the head of frame 26 by axle and bearing, dry useless tail wheel 23 of casting device aside, the afterbody of frame 26 is fixed on by axle and bearing, dry useless urceolus of casting device great wheel 22 aside is cydariform urceolus of nonmagnetic substance, dry useless casting aside in device great wheel 22 is provided with circumferentially polarity N, the dry useless device circle of casting aside that S replaces lacks fixing magnetic system 24, the dry useless magnetic field intensity scope casting the scarce fixing magnetic system 24 of device circle aside is 150-200mT, be separated dividing plate 25 and be arranged on dry useless position, bottom right of casting device great wheel 22 aside, the lower end being separated dividing plate 25 is hinge centres, be separated dividing plate 25 and can determine suitable dry useless intercepting amount and quality along the hinge centres adjusting angle that rotates about.
From to ore deposit end to dry essence, dry useless putting in order of each device of outlet side be: the pre-aspiration device 2 of flat materials device 1, roll-type, belt aspiration device 3 and dry giving up cast device 5 aside, wherein flat materials device 1, the pre-aspiration device 2 of roll-type, belt aspiration device 3 are arranged on the top of mass transport endless-belt 4, and mass transport belt 4 is flat materials devices 1, the pre-aspiration device 2 of roll-type, belt aspiration device 3 and dry useless mass transport belt of casting device 5 aside.
Control Techniques in Classification Procedure of Material of the present invention: material to be selected is given on mass transport endless-belt 4 by flat materials device 1 left, when material is by being shakeout during flat materials device 1, make thinner, shakeout, the magnetic nugget material of making thinner enters the pre-aspiration device 2 of clockwise running during along with the running of belt in the bed of material and magnetic fine particle ore particle are upwards attracted attached left magnetic roller roll surface bottom by the magnetic field of 400-500mT in magnetic roller, turned clockwise simultaneously and take magnetic roller top to and depart from magnetic field and shed the top of the bed of material on mass transport endless-belt 4, next the lower ring portion position of the endless-belt 17 of belt aspiration device 3 is entered, upwards attracted by the magnetic field of more than the 500mT on belt aspiration device endless-belt 17 times endless belt by the magnetic nugget of spreading on bed of material top and magnetic ore faces and be attached on the lower endless belt face of belt aspiration device 3 belt aspiration device endless-belt 17, by the belt aspiration device endless-belt that operates 17 times endless belt laterally or forward take out of outside material conveying annular belt 4, be discharged at dry fine fodder bucket 7 respectively, in dry fine fodder bucket 8, the lump ore that magnetic is stronger and ore faces are by after belt aspiration device 5 sucking-off, what remain on mass transport endless-belt 4 on endless belt zone face is material bed greatly thinning, lump material is several in individual layer state, face youngster's shape material bed of material also becomes very thin, magnetic material (mainly face youngster shape magnetic material) is held again through the dry useless comparatively low-intensity magnetic field casting device 5 aside, magnetic field is departed from the running of mass transport endless-belt 4, be brought in dry fine fodder bucket 7 and become dry useless dry smart product of casting device 5 aside.Non-magnetic nugget and ore faces are thrown into dry waste material bucket 6 from dry useless head of casting device great wheel 22 aside with parabolic by the belt run up, and becoming the dry useless of whole multistage sucking-off-hold associating dry-dressing machine, the dry essence of belt aspiration device 3 and dry useless dry finishing of casting device 5 aside are combined into the dry essence of whole sucking-off-hold associating dry-dressing machine.
The multistage sucking-off of the present invention-hold associating dry-dressing machine to solve the preliminary election of magnetic iron ore conventional magnetic cylinder, rejects the country rock, the horsestone poor effect that are mixed into, and the useless rate of throwing is not high, throws the puzzlement that useless Armco magnetic iron grade is higher.It is thrown useless rate and to give up productive rate high 30-100% than the throwing of conventional magnetic cylinder dry separation, and it is low 1-2 percentage points to throw useless Armco magnetic iron grade, dry 1-3 percentage points of high grade of essence.

Claims (5)

1. a sucking-off-hold associating dry type preliminary election machine, it is characterized in that: sucking-off-hold associating dry type preliminary election machine is a kind of multi-stage, efficient magnetic iron ore dry type pre-selection device integrating sucking-off, hold, cast aside, be provided with in sucking-off-hold in associating dry type preliminary election machine: flat materials device (1), the pre-aspiration device of roll-type (2), belt aspiration device (3) and dryly uselessly cast device (5) aside, belt aspiration device (3) adopts the two kinds of forms that are arranged vertically or are arranged in parallel, belt aspiration device (3) is the perpendicular configuration of the center line of belt aspiration device endless-belt (17) center line and mass transport endless-belt (4) when being arranged vertically, and is done smart secondary hopper (21) formed by flat materials device (1), the pre-aspiration device of roll-type (2), belt aspiration device (3), mass transport endless-belt (4), dry useless device (5), dry waste material bucket (6), dry fine fodder bucket (7) and the belt aspiration device of casting aside, belt aspiration device (3) is the configuration that the center line of belt aspiration device endless-belt (17) parallels with the center line of mass transport endless-belt (4) when being arranged in parallel, by flat materials device (1), the pre-aspiration device of roll-type (2), belt aspiration device (3), mass transport endless-belt (4), dry giving up casts device (5) aside, dry waste material bucket (6), dry fine fodder bucket (7) and the dry fine fodder bucket (8) of belt aspiration device are formed, flat materials device (1), the pre-aspiration device of roll-type (2), belt aspiration device (3) is arranged on the top of mass transport endless-belt (4), its distributing order is followed successively by: flat materials device (1), pre-aspiration device (2), belt aspiration device (3), the trend of mass transport endless-belt (4) is clockwise.
2. sucking-off according to claim 1-hold associating dry type preliminary election machine, it is characterized in that: described flat materials device (1) is pears formulas, be made up of flat material moldboard (9), plow-shape crossbeam (10), moldboard fixed support (11), flat materials device (1) is supported by moldboard fixed support (11), flat material moldboard (9) has 2 elongated holes, is bolted on the screw of plow-shape crossbeam (10) by four.
3. sucking-off according to claim 1-hold associating dry type preliminary election machine, it is characterized in that: the pre-aspiration device of described roll-type (2) is by pre-sucking-off roller (12), circle lacks fixing magnetic system (13) and hood (14) is formed, the hood (14) of the pre-aspiration device of nonmagnetic roll-type is provided with in the outside of pre-sucking-off roller (12), in pre-sucking-off roller (12), be provided with circle lack fixing magnetic system (13), it is circumferentially N that circle lacks fixing magnetic system (13), the high performance permanent magnet of S alternating polarity fixes magnetic system, pre-sucking-off roller (12) is arranged on the top of mass transport endless-belt (4), the lower roll surface of pre-sucking-off roller (12) is 40mm-80mm to zone face distance on mass transport endless-belt.
4. sucking-off according to claim 1-hold associating dry type preliminary election machine, is characterized in that: described belt aspiration device (3) is made up of belt aspiration device great wheel (15), belt aspiration device tail wheel (16), belt aspiration device endless-belt (17), fixing magnetic system (20), belt aspiration device hood (18) and belt aspiration device frame (19), fixing magnetic system (20) is arranged on the N under belt aspiration device endless-belt (17) on endless belt on zone face, the magnetic system of the high performance permanent magnet formation of S alternating polarity, belt aspiration device (3) is arranged on the top of mass transport endless-belt (4), belt aspiration device great wheel (15), belt aspiration device tail wheel (16) is separately fixed at head and the afterbody of belt aspiration device frame (19), belt aspiration device great wheel (15) is motorized pulleys, the lower belt surface of belt aspiration device endless-belt (17) is 50mm-130mm to the distance between dry useless upper zone face of casting the mass transport endless-belt (4) of device (5) aside.
5. sucking-off according to claim 1-hold associating dry type preliminary election machine, is characterized in that: described dry useless device (5) of casting aside is by dryly uselessly casting device great wheel (22) aside, dryly uselessly casting device tail wheel (23), mass transport endless-belt (4) aside, dryly uselessly casting that device circle lacks fixing magnetic system (24), dry fine fodder bucket (7), dry waste material bucket (6) are separated dividing plate (25) aside and dryly uselessly cast device frame (26) aside and form, dry giving up casts the great wheel that device great wheel (22) is mass transport endless-belt (4) aside, it is fixed on the head of frame (26) by axle and bearing, dry useless tail wheel (23) of casting device aside, the afterbody of frame (26) is fixed on by axle and bearing, dry useless urceolus of casting device great wheel (22) aside is the cydariform urceolus of nonmagnetic substance, dry useless casting aside in device great wheel (22) is provided with circumferentially polarity N, the dry useless device circle of casting aside that S replaces lacks fixing magnetic system (24), the dry useless magnetic field intensity scope casting the scarce fixing magnetic system (24) of device circle aside is 150-200mT, be separated dividing plate (25) and be arranged on dry useless position, bottom right of casting device great wheel (22) aside, the lower end being separated dividing plate (25) is hinge centres, be separated dividing plate (25) to rotate about along hinge centres.
CN201510036220.4A 2015-01-26 2015-01-26 Exsuction-suction united dry pre-separator Pending CN104588206A (en)

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Publication number Priority date Publication date Assignee Title
CN104815751A (en) * 2015-05-20 2015-08-05 公安部沈阳消防研究所 Small-sized fire site electrical molten falling object separation machine
CN105855040A (en) * 2016-05-31 2016-08-17 张荣斌 Oblique grading and magnetic separation device
CN105944832A (en) * 2016-05-24 2016-09-21 徐州工程学院 Garbage magnetic separation device and working method thereof
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CN104815751A (en) * 2015-05-20 2015-08-05 公安部沈阳消防研究所 Small-sized fire site electrical molten falling object separation machine
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CN105855040A (en) * 2016-05-31 2016-08-17 张荣斌 Oblique grading and magnetic separation device
CN106622649A (en) * 2017-03-04 2017-05-10 衢州妙凯节能科技有限公司 Irony impurity separator
CN108940581A (en) * 2018-06-20 2018-12-07 佛山市程显科技有限公司 A kind of concentration equipment with uniform spreading and feeding functions

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Application publication date: 20150506