CN109013055A - Dry-type magnetic extractor and its method for separating is sucked in a kind of crawler belt ore discharge - Google Patents

Dry-type magnetic extractor and its method for separating is sucked in a kind of crawler belt ore discharge Download PDF

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Publication number
CN109013055A
CN109013055A CN201811145095.0A CN201811145095A CN109013055A CN 109013055 A CN109013055 A CN 109013055A CN 201811145095 A CN201811145095 A CN 201811145095A CN 109013055 A CN109013055 A CN 109013055A
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China
Prior art keywords
suction
magnetic
type magnetic
magnetic separator
separator
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CN201811145095.0A
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Inventor
侯英
谢冬冬
任国臣
赵明
陶东平
杜进松
靳达
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University of Science and Technology Liaoning USTL
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University of Science and Technology Liaoning USTL
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Priority to CN201811145095.0A priority Critical patent/CN109013055A/en
Publication of CN109013055A publication Critical patent/CN109013055A/en
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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
    • B03C1/16Magnetic separation acting directly on the substance being separated with material carriers in the form of belts

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Abstract

Dry-type magnetic extractor and its method for separating is sucked in a kind of crawler belt ore discharge, including suction type magnetic separator, suction-operated magnetic separator, suction type magnetic separator concentrate chute, receiving vat, the top of suction-operated magnetic separator is arranged in the suction type magnetic separator, the suction type magnetic separator intersects with suction-operated magnetic separator to be vertically arranged, suction type magnetic separator concentrate chute is equipped in the bottom of the suction-operated magnetic separator, the suction type magnetic separator concentrate chute is arranged on suction type magnetic separator direction of travel, the side of crawler belt stretching suction-operated magnetic separator, the magnetic product slot of the suction type magnetic separator concentrate chute connection receiving vat, the bottom of suction-operated magnet separator magnetic pulley is arranged in the receiving vat.The present invention forces upper-suction magnetic separator ore discharge in process of production, can solve the blockage problem of material, improves the dry type pre-selection effect of milling product, and the barren rock for a large amount of qualifications of dishing out reduces mill and is selected into doses, realizes the energy-saving and efficient utilization of magnetic iron ore.

Description

Dry-type magnetic extractor and its method for separating is sucked in a kind of crawler belt ore discharge
Technical field
The present invention relates to technical field of mineral processing more particularly to a kind of crawler belt ore discharge be sucked dry-type magnetic extractor and its Method for separating.
Background technique
The chemical component of magnetic iron ore is Fe3O4, the oxide mineral of crystal category isometric system has magnetism, in China point Cloth is wide, is the essential mineral raw material of ironmaking.
Barren rock incorporation rate of the magnetic iron ore in recovery process often severely exceeds, the recovery utilization rate of iron ore resource compared with Low, ore extraction higher cost, mine economic profit are lower.It is serious that the Preconcentration Technology of magnetic iron ore can handle barren rock incorporation rate Exceeded magnetic iron ore for cost efficiency, improving benefit has important role and meaning.
In process of production, the magnetic iron ore of suction often blocks gives barrow band to updraft type dry-type magnetic extractor, causes to inhale Magnetic iron ore ore discharge out is difficult, can block during many field applications and give barrow band, cause production accident, be forced to stop It produces, so the upper-suction magnetic separator at scene, all in dead state, dry type magnetic separation efficiency reduces, and a large amount of valuable minerals are spilled over In barren rock, vast resources is caused to waste.
Summary of the invention
The object of the present invention is to provide a kind of crawler belt ore discharges, and dry-type magnetic extractor and its method for separating, production process is sucked Middle pressure upper-suction magnetic separator ore discharge, can solve the blockage problem of material, improves the dry type pre-selection effect of milling product, dishes out A large amount of qualified barren rocks reduce mill and are selected into doses, realize the energy-saving and efficient utilization of magnetic iron ore.
To achieve the above object, the present invention is implemented with the following technical solutions:
Dry-type magnetic extractor, including suction type magnetic separator, suction-operated magnetic separator, suction type magnetic is sucked in a kind of crawler belt ore discharge Machine concentrate chute, receiving vat are selected, the top of suction-operated magnetic separator, the suction type magnetic separator is arranged in the suction type magnetic separator It intersects and is vertically arranged with suction-operated magnetic separator, be equipped with suction type magnetic separator concentrate in the bottom of the suction type magnetic separator and slip Slot, the suction type magnetic separator concentrate chute is arranged on suction type magnetic separator direction of travel, crawler belt stretches out suction-operated magnetic separator Side, the magnetic product slot of suction type magnetic separator concentrate chute connection receiving vat, the receiving vat is arranged in suction-operated The bottom of magnet separator magnetic pulley.
It further include smoother, the front of the top of suction-operated magnetic separator, suction type magnetic separator is arranged in the smoother.
The suction-operated magnetic separator includes passing to barrow band, belt pulley, magnetic pulley to barrow band and belt pulley and magnetic pulley Dynamic connection is advanced to barrow band to magnetic pulley one end, and mine-feeding equipment is arranged in belt pulley one end.
The suction type magnetic separator is crawler haulage formula ore discharge, in the top of crawler belt, suction-operated magnetic separator to barrow band Surface is equipped with magnetic system.
The crawler belt of the suction type magnetic separator is with suction-operated magnetic separator to barrow band at a distance of 100mm-300mm.
The receiving vat is separated into magnetic product slot and non-magnetic product slot, the non-magnetic product slot setting by cutting plate In the underface of suction-operated magnet separator magnetic pulley heads, the magnetic product slot is at the rear of suction-operated magnet separator magnetic pulley.
The ore method for separating of dry-type magnetic extractor is sucked in a kind of crawler belt ore discharge, includes the following steps:
1) it by milling product closed-circuit pulverization to 5mm~15mm, feeds crawler belt ore discharge and dry-type magnetic extractor progress is sucked Sorting;
2) running parameter of dry-type magnetic extractor is sucked in setting crawler belt ore discharge:
A) suction type magnetic separator is started, setting suction type magnet separator magnetic field intensity is 100-650mT;
B) setting suction-operated magnet separator magnetic field intensity is 100-650mT, starts and carries out to barrow band to mine, is to mine speed 0.5-3.0m/s;
3) magnetic material that suction type magnetic separator is sucked out is given in suction type magnetic separator concentrate chute, more than suction type magnetic separator Under tailing feed suction-operated magnetic separator carry out magnetic separation, gained tailing be true tailings, the essence that suction-operated magnet separator magnetic is elected Mine and suction type magnetic separator concentrate are mixed as final concentrate.
Compared with prior art, the beneficial effects of the present invention are:
Dry-type magnetic extractor and its method for separating is sucked in a kind of crawler belt ore discharge, forces ore discharge using updraft type crawler belt, right Magnetic iron ore is preselected, and pre-selection effect is more preferable, and energy conservation and consumption reduction effects are significant, is significantly improved into mill grade, is reduced ore grinding energy Consumption improves the efficiency of separation, reduces production cost;Compared with dry type magnetic separation is sucked in magnetic iron ore, it is ensured that production direct motion, Feed blocking is avoided, has the function that efficiently to produce.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Fig. 2 is the structural schematic diagram that dry-type magnetic extractor is sucked in crawler belt ore discharge.
Fig. 3 is the left view of Fig. 2.
In figure: 1- belt pulley, 2- mine-feeding equipment, 3- crawler belt, 4- suction type magnetic separator, 5- magnetic system, 6- magnetic pulley, 7- sub-material Plate, 8- suction type magnetic separator concentrate chute, 9- magnetic product slot, 10- non-magnetic product slot, 11- concentrate, 12- smoother.
Specific embodiment
It elaborates with reference to the accompanying drawing to the present invention, but practical range of the invention is not limited only to following implementation Mode.
Dry-type magnetic extractor, including suction type magnetic separator 4, suction-operated magnetic separator, suction type is sucked in a kind of crawler belt ore discharge The top of suction-operated magnetic separator, the suction type magnetic is arranged in magnetic separator concentrate chute 8, receiving vat, the suction type magnetic separator 4 It selects machine 4 to intersect with suction-operated magnetic separator to be vertically arranged, is equipped with suction type magnetic separator in the bottom of the suction type magnetic separator 4 Concentrate chute 8, the suction type magnetic separator concentrate chute 8 is arranged on 4 direction of travel of suction type magnetic separator, crawler belt 3 is stretched out and inhaled The firmly side of formula magnetic separator, the suction type magnetic separator concentrate chute 8 connect the magnetic product slot 9 of receiving vat, the receiving vat The bottom of suction-operated magnet separator magnetic pulley 6 is set.
It further include smoother 12, top of the suction-operated magnetic separator to barrow band, suction type magnetic is arranged in the smoother 12 Select the front of machine 4.To smoother 12 is arranged before barrow band, will strike off to mineral material during being shipped to mine prevents mineral material Accumulated plugging.
The suction-operated magnetic separator includes sliding to barrow band, belt pulley 1, magnetic pulley 6 to barrow band and belt pulley 1 and magnetic 6 transmission connection of wheel is advanced to barrow band to 6 one end of magnetic pulley, and mine-feeding equipment 2 is arranged in 1 one end of belt pulley.
The suction type magnetic separator 4 is 3 driven type ore discharge of crawler belt, gives barrow band in the top of crawler belt 3, suction-operated magnetic separator Surface be equipped with magnetic system 5.
The crawler belt 3 of the suction type magnetic separator 4 is with suction-operated magnetic separator to barrow band at a distance of 100mm-300mm.
The receiving vat is separated into magnetic product slot 9 and non-magnetic product slot 10, the non-magnetic product slot by cutting plate 7 10 are arranged in the underface of 6 end of suction-operated magnet separator magnetic pulley, and the magnetic product slot 9 is in suction-operated magnet separator magnetic pulley 6 Rear.
The ore method for separating of dry-type magnetic extractor is sucked in a kind of crawler belt ore discharge, includes the following steps:
1) by milling product closed-circuit pulverization to 5mm~15mm hereinafter, feeding crawler belt ore discharge is sucked dry-type magnetic extractor It is sorted.
2) running parameter of dry-type magnetic extractor is sucked in setting crawler belt ore discharge:
A) suction type magnetic separator is started, setting suction type magnet separator magnetic field intensity is 100-650mT.
B) setting suction-operated magnet separator magnetic field intensity is 100-650mT, starts and carries out to barrow band to mine, is to mine speed 0.5-3.0m/s;Material is fed crawler belt ore discharge and dry-type magnetic extractor is sucked by mine-feeding equipment 2, after stable equipment operation, is adjusted Whole feeding belt revolving speed is to running smoothly.
3) magnetic material that suction type magnetic separator 4 is sucked out is given in suction type magnetic separator concentrate chute 8, suction type magnetic separator 4 remaining tailings feed suction-operated magnetic separator and carry out magnetic separation, and gained tailing is true tailings, and suction-operated magnet separator magnetic is elected Concentrate and suction type magnetic separator concentrate are mixed as final concentrate.
Above-mentioned steps 1) in, ore crushing equipment selects jaw crusher, gyratory crusher or high-pressure roller mill.
The ore discharge belt of suction type magnetic separator 4 is crawler belt 3, it is ensured that the pressure ore discharge of material.Suction type magnetic separator crawler belt 3 Width be 600-1600mm, be highly 10-30mm, crawler belt spacing 50-400mm, the various shapes of crawler belt.
Suction-operated magnetic separator subtracts 20mm to the width that barrow bandwidth is magnetic pulley 6.
Embodiment 1:
Magnetic iron ore passes through Three stage crushing with single closed circuit stage, and product granularity is less than 12mm and accounts for 90%, grade 24.50%.Using Crawler belt ore discharge is sucked dry-type magnetic extractor and carries out dry type pre-selection to it, and processing step is as follows:
The running parameter that dry-type magnetic extractor is sucked in crawler belt ore discharge is set are as follows: starts suction type magnetic separator, setting is sucked out Formula magnet separator magnetic field intensity is 550mT, and the crawler belt of suction type magnetic separator, at a distance of 50mm, gives setting before barrow band flat with to barrow band Whole device will strike off to mineral material, start suction-operated magnetic separator, and setting suction-operated magnet separator magnetic field intensity is 550mT, then start Mine-feeding equipment material is fed crawler belt ore discharge to mine, dry-type magnetic extractor is sucked, after stable equipment operation, adjustment is given For mine belt speed to running smoothly, the magnetic material that suction type magnetic separator is sucked out is given to magnetic by suction type magnetic separator concentrate chute Property product slot in, the remaining tailing of suction type magnetic separator feed suction-operated magnetic separator carry out magnetic separation, gained tailing be most finality Mine, the concentrate and suction type magnetic separator concentrate that suction-operated magnet separator magnetic is elected are mixed as final concentrate.
The yield that dry type magnetic separation concentrate is sucked in crawler belt ore discharge is 76.72%, grade 30.28%, and the rate of recovery is 94.82%;The yield of barren rock is 23.28%, grade 5.45%, the rate of recovery 5.18%.
Under the conditions of same process, the concentrate yield that magnetic pulley ore dressing is used alone is 77.90%, grade 29.36%, The rate of recovery is 93.35%;The yield of barren rock is 22.10%, grade 7.37%, the rate of recovery 6.65%.
Dry type magnetic separation is sucked compared with the dry type pre-selection technique that magnetic pulley is used alone in crawler belt ore discharge, the yield of concentrate 1.18% can be reduced, grade improves 0.92%, and the rate of recovery improves 1.47%.
Embodiment 2:
Magnetic iron ore passes through high-pressure roller mill open circuit crushing by the product of Three stage crushing with single closed circuit stage, and product granularity is less than 5mm accounts for 90%, grade 23.40%.Dry-type magnetic extractor is sucked using crawler belt ore discharge and carries out dry type pre-selection, technique step to it It is rapid as follows:
The running parameter that dry-type magnetic extractor is sucked in crawler belt ore discharge is set are as follows: starts suction type magnetic separator, setting is sucked out Formula magnet separator magnetic field intensity is 450mT, and the crawler belt of suction type magnetic separator, at a distance of 50mm, gives setting before barrow band flat with to barrow band Whole device will strike off to mineral material, start suction-operated magnetic separator, and setting suction-operated magnet separator magnetic field intensity is 650mT, then start Mine-feeding equipment material is fed crawler belt ore discharge to mine, dry-type magnetic extractor is sucked, after stable equipment operation, adjustment is given For mine belt speed to running smoothly, the magnetic material that suction type magnetic separator is sucked out is given to magnetic by suction type magnetic separator concentrate chute Property product slot in, the remaining tailing of suction type magnetic separator feed suction-operated magnetic separator carry out magnetic separation, gained tailing be most finality Mine, the concentrate and suction type magnetic separator concentrate that suction-operated magnet separator magnetic is elected are mixed as final concentrate.
The yield that dry type magnetic separation concentrate is sucked in crawler belt ore discharge is 78.76%, grade 28.12%, and the rate of recovery is 94.65%;The yield of barren rock is 21.24%, grade 5.90%, the rate of recovery 5.35%.
Under the conditions of same process, the concentrate yield that magnetic pulley ore dressing is used alone is 79.68%, grade 27.69%, The rate of recovery is 94.29%;The yield of barren rock is 20.32%, grade 6.58%, the rate of recovery 5.71%.
Dry type magnetic separation is sucked compared with the dry type pre-selection technique that magnetic pulley is used alone in crawler belt ore discharge, the yield of concentrate 0.92% can be reduced, grade improves 0.43%, and the rate of recovery improves 0.36%.
Embodiment 3:
Magnetic iron ore passes through two section of one closed circuit crushing, and product granularity is less than 15mm and accounts for 90%, grade 25.60%.Using Crawler belt ore discharge is sucked dry-type magnetic extractor and carries out dry type pre-selection to it, and processing step is as follows:
The running parameter that dry-type magnetic extractor is sucked in crawler belt ore discharge is set are as follows: starts suction type magnetic separator, setting is sucked out Formula magnet separator magnetic field intensity is 650mT, the crawler belt of suction type magnetic separator with to barrow band at a distance of 100mm, to being arranged before barrow band Smoother will strike off to mineral material, start suction-operated magnetic separator, and setting suction-operated magnet separator magnetic field intensity is 450mT, then open Dynamic mine-feeding equipment material is fed crawler belt ore discharge to mine, dry-type magnetic extractor is sucked, after stable equipment operation, adjustment To mine belt speed to running smoothly, the magnetic material that suction type magnetic separator is sucked out is given to by suction type magnetic separator concentrate chute In magnetic product slot, the remaining tailing of suction type magnetic separator feeds suction-operated magnetic separator and carries out magnetic separation, and gained tailing is as final Tailing, the concentrate and suction type magnetic separator concentrate that suction-operated magnet separator magnetic is elected are mixed as final concentrate.
The yield that dry type magnetic separation concentrate is sucked in crawler belt ore discharge is 79.55%, grade 30.88%, and the rate of recovery is 95.96%;The yield of barren rock is 20.45%, grade 5.06%, the rate of recovery 4.04%.
Under the conditions of same process, the concentrate yield that magnetic pulley ore dressing is used alone is 80.92%, grade 29.96%, The rate of recovery is 94.70%;The yield of barren rock is 19.08%, grade 7.11%, the rate of recovery 5.30%.
Dry type magnetic separation is sucked compared with the dry type pre-selection technique that magnetic pulley is used alone in crawler belt ore discharge, the yield of concentrate 1.37% can be reduced, grade improves 0.92%, and the rate of recovery improves 1.26%.
Embodiment 4:
Magnetic iron ore passes through Three stage crushing with single closed circuit stage, and product granularity is less than 12mm and accounts for 90%, grade 24.50%.Using Crawler belt ore discharge is sucked dry-type magnetic extractor and carries out dry type pre-selection to it, and processing step is as follows:
The running parameter that dry-type magnetic extractor is sucked in crawler belt ore discharge is set are as follows: starts suction type magnetic separator, setting is sucked out Formula magnet separator magnetic field intensity is 650mT, the crawler belt of suction type magnetic separator with to barrow band at a distance of 100mm, to being arranged before barrow band Smoother will strike off to mineral material, start suction-operated magnetic separator, and setting suction-operated magnet separator magnetic field intensity is 550mT, then open Dynamic mine-feeding equipment material is fed crawler belt ore discharge to mine, dry-type magnetic extractor is sucked, after stable equipment operation, adjustment To mine belt speed to running smoothly, the magnetic material that suction type magnetic separator is sucked out is given to by suction type magnetic separator concentrate chute In magnetic product slot, the remaining tailing of suction type magnetic separator feeds suction-operated magnetic separator and carries out magnetic separation, and gained tailing is as final Tailing, the concentrate and suction type magnetic separator concentrate that suction-operated magnet separator magnetic is elected are mixed as final concentrate.
The yield that dry type magnetic separation concentrate is sucked in crawler belt ore discharge is 74.12%, grade 32.32%, and the rate of recovery is 95.06%;The yield of barren rock is 25.88%, grade 4.81%, the rate of recovery 4.94%.
Under the conditions of same process, the concentrate yield that magnetic pulley ore dressing is used alone is 75.32%, grade 31.18%, The rate of recovery is 93.19%;The yield of barren rock is 24.68%, grade 6.95%, the rate of recovery 6.81%.
Dry type magnetic separation is sucked compared with the dry type pre-selection technique that magnetic pulley is used alone in crawler belt ore discharge, the yield of concentrate 1.20% can be reduced, grade improves 1.14%, and the rate of recovery improves 1.87%.

Claims (7)

1. dry-type magnetic extractor is sucked in a kind of crawler belt ore discharge, which is characterized in that including suction type magnetic separator, suction-operated magnetic separation Machine, suction type magnetic separator concentrate chute, receiving vat, the top of suction-operated magnetic separator is arranged in the suction type magnetic separator, described Suction type magnetic separator intersects with suction-operated magnetic separator and is vertically arranged, and is equipped with suction type in the bottom of the suction type magnetic separator Magnetic separator concentrate chute, the suction type magnetic separator concentrate chute is arranged on suction type magnetic separator direction of travel, crawler belt stretches out The side of suction-operated magnetic separator, the magnetic product slot of the suction type magnetic separator concentrate chute connection receiving vat, the receiving vat The bottom of suction-operated magnet separator magnetic pulley is set.
2. dry-type magnetic extractor is sucked in a kind of crawler belt ore discharge according to claim 1, which is characterized in that further include smooth The front of the top of suction-operated magnetic separator, suction type magnetic separator is arranged in device, the smoother.
3. dry-type magnetic extractor is sucked in a kind of crawler belt ore discharge according to claim 1, which is characterized in that the suction-operated Magnetic separator includes being sequentially connected to barrow band, belt pulley, magnetic pulley to barrow band and belt pulley and magnetic pulley, to barrow band to Magnetic pulley one end is advanced, and mine-feeding equipment is arranged in belt pulley one end.
4. dry-type magnetic extractor is sucked in a kind of crawler belt ore discharge according to claim 1, which is characterized in that the suction type Magnetic separator is crawler haulage formula ore discharge, is equipped with magnetic system to the surface of barrow band in the top of crawler belt, suction-operated magnetic separator.
5. according to claim 1,3,4 its any one of described in a kind of crawler belt ore discharge dry-type magnetic extractor is sucked, it is special Sign is that the crawler belt of the suction type magnetic separator is with suction-operated magnetic separator to barrow band at a distance of 100mm-300mm.
6. dry-type magnetic extractor is sucked in a kind of crawler belt ore discharge according to claim 1, which is characterized in that the receiving vat Magnetic product slot and non-magnetic product slot are separated by cutting plate, the non-magnetic product slot setting is sliding in suction-operated magnet separator magnetic The underface of wheel end, the magnetic product slot is at the rear of suction-operated magnet separator magnetic pulley.
7. it is a kind of claim 1-6 its any one of as described in crawler belt ore discharge be sucked dry-type magnetic extractor ore sorting Method, which comprises the steps of:
1) it by milling product closed-circuit pulverization to 5mm~15mm, feeds crawler belt ore discharge dry-type magnetic extractor is sucked and sorted;
2) running parameter of dry-type magnetic extractor is sucked in setting crawler belt ore discharge:
A) suction type magnetic separator is started, setting suction type magnet separator magnetic field intensity is 100-650mT;
B) setting suction-operated magnet separator magnetic field intensity is 100-650mT, starts and carries out to barrow band to mine, is 0.5- to mine speed 3.0m/s;
3) magnetic material that suction type magnetic separator is sucked out is given in suction type magnetic separator concentrate chute, and suction type magnetic separator is remaining Tailing feeds suction-operated magnetic separator and carries out magnetic separation, and gained tailing is true tailings, concentrate that suction-operated magnet separator magnetic is elected with Suction type magnetic separator concentrate is mixed as final concentrate.
CN201811145095.0A 2018-09-29 2018-09-29 Dry-type magnetic extractor and its method for separating is sucked in a kind of crawler belt ore discharge Pending CN109013055A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55130409A (en) * 1979-03-26 1980-10-09 Shinko Electric Co Ltd Belt vibrator for belt type magnetic separator
DE29705556U1 (en) * 1996-07-19 1997-05-28 Wester Tonbergbau KG, 53347 Alfter Device for separating a free-flowing or fluidized mixture
CN101231263A (en) * 2007-01-26 2008-07-30 宝山钢铁股份有限公司 Method for detecting iron member using magnetosensitive element by constant magnetic deironing device
CN201098642Y (en) * 2007-10-19 2008-08-13 刘旭 Suspension type electromagnetic separator
CN201644216U (en) * 2010-03-16 2010-11-24 宝山钢铁股份有限公司 Belt-type automatic de-ironing separator with iron part pick-up detecting device
CN204448269U (en) * 2015-01-26 2015-07-08 刘阳 A kind of sucking-off-hold associating dry type preliminary election machine
CN106824517A (en) * 2016-12-21 2017-06-13 北矿机电科技有限责任公司 A kind of dry type Pre-sorting method of ferromagnetism weak magnetic mixed type iron ore
CN207546752U (en) * 2017-11-26 2018-06-29 上海良延环保科技发展有限公司 A kind of metallics retracting device that system is utilized for construction refuse resource
CN208944361U (en) * 2018-09-29 2019-06-07 辽宁科技大学 Dry-type magnetic extractor is sucked in a kind of crawler belt ore discharge

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55130409A (en) * 1979-03-26 1980-10-09 Shinko Electric Co Ltd Belt vibrator for belt type magnetic separator
DE29705556U1 (en) * 1996-07-19 1997-05-28 Wester Tonbergbau KG, 53347 Alfter Device for separating a free-flowing or fluidized mixture
CN101231263A (en) * 2007-01-26 2008-07-30 宝山钢铁股份有限公司 Method for detecting iron member using magnetosensitive element by constant magnetic deironing device
CN201098642Y (en) * 2007-10-19 2008-08-13 刘旭 Suspension type electromagnetic separator
CN201644216U (en) * 2010-03-16 2010-11-24 宝山钢铁股份有限公司 Belt-type automatic de-ironing separator with iron part pick-up detecting device
CN204448269U (en) * 2015-01-26 2015-07-08 刘阳 A kind of sucking-off-hold associating dry type preliminary election machine
CN106824517A (en) * 2016-12-21 2017-06-13 北矿机电科技有限责任公司 A kind of dry type Pre-sorting method of ferromagnetism weak magnetic mixed type iron ore
CN207546752U (en) * 2017-11-26 2018-06-29 上海良延环保科技发展有限公司 A kind of metallics retracting device that system is utilized for construction refuse resource
CN208944361U (en) * 2018-09-29 2019-06-07 辽宁科技大学 Dry-type magnetic extractor is sucked in a kind of crawler belt ore discharge

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Application publication date: 20181218