CN101648158A - Magnetic material concentration device with sorting function - Google Patents

Magnetic material concentration device with sorting function Download PDF

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Publication number
CN101648158A
CN101648158A CN200910063950A CN200910063950A CN101648158A CN 101648158 A CN101648158 A CN 101648158A CN 200910063950 A CN200910063950 A CN 200910063950A CN 200910063950 A CN200910063950 A CN 200910063950A CN 101648158 A CN101648158 A CN 101648158A
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magnetic
cell body
wedge shape
separating tube
shape separating
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CN200910063950A
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CN101648158B (en
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罗立群
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Priority to CN2009100639508A priority Critical patent/CN101648158B/en
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Abstract

The invention relates to equipment for slurry removal of magnetic materials by concentration. The magnetic material concentration device with a sorting function comprises a lifting device, a feeder, agroove body, a combined magnet and a stand and is characterized in that the bottom inside a groove cavity of the groove body is provided with a wedge-shaped separating drum; a magnetic product ore discharge outlet is communicated with the hollow cavity of the wedge-shaped separating drum; the bottom end of the groove body is provided with a nonmagnetic product ore discharge outlet; an ore slurrydistributing drum is arranged above the wedge-shaped separating drum; a lower center area inside the slurry distributing drum is provided with a hollow cone; an annular material opening is formed between the lower end of the hollow cone and the lower end of the wedge-shaped separating drum; the lower part of the combined magnet is positioned at the upper end inside the hollow cavity of the wedge-shaped separating drum; the combined magnet is positioned below the slurry distributing drum; the lower part of the slurry distributing drum is positioned at the upper part inside the groove cavity ofthe groove body; the lower part of the feeder is positioned at the middle-upper part inside the slurry distributing drum; and the feeder is positioned above the hollow cone. The device has the characteristics of concentrating and sorting magnetic materials.

Description

Magnetic material concentration device with sorting function
Technical field
The present invention relates to a kind of equipment that magnetic material concentrates desliming (water) that is used for.
Background technology
Magnetic force desliming (water) groove or title magnetic force dehydration (mud) bucket are mainly used in the desliming or the dehydration of strongly magnetic material, concentrate the material that contains magnetic-particle.When particulate magnetic material process magnetic sorting, general magnetic plant adds water flushing discharging by flusher to magnetic material, causes magnetic product concentration lower.Because material has magnetic, can carry out thickening by magnetic force desliming (water) groove, proceeds to next production process again, thereby obtains final magnetic product.
But since magnetic separation produce in the middle of usually because of mechanical entrainment, non-magnetic particle, or part magnetic lean intergrowth particle on a small quantity also is blended in the middle of the magnetic product, causes the magnetic product quality lower, or often need to increase the magnetic separation operation, could obtain the higher magnetic product of quality.Simultaneously, the concentration control in the middle of the actual production process is requisite means in the production link, thereby how magnetic product controls material concentration with magnetic force dehydration (mud) groove, or cushion production process.Existing magnetic force desliming (water) groove only quickens the sinking speed of particle with magnetic means, thus the size of dwindling desliming (water) groove, the not function of sorting; Part non-magnetic particle in the overflow product only is that the non-magnetic material of fines overflows with current greatly because of water velocity.Part is because of the thick non-magnetic particle of magnetic sorting mechanical entrainment, because of the sinking speed of particle greatly with the magnetic-particle sedimentation, concentrate, be blended in the magnetic product, seriously influenced the quality of magnetic product.
Summary of the invention
The object of the present invention is to provide a kind of magnetic material concentration device with sorting function, this device also has the characteristics of magnetic material sorting when having the concentrated characteristics of magnetic material.
To achieve these goals, technical scheme of the present invention is: have the magnetic material concentration device of sorting function, it comprises lifting device 1, dispenser 2, cell body 4, combination magnet 5, frame 8; In the cell body 4 is vallecular cavity 10, and the upper end of cell body 4 is an openend, and the upper end outer wall of cell body 4 is fixed with annular overflow trough body 11 outward, and annular overflow trough body 11 is provided with overfall B, and the bottom of cell body 4 is provided with magnetic product gape C; Cell body 4 is fixed on the frame 8; Dispenser 2 is a tubular structure, the top of dispenser 2 is provided with feed port A, dispenser 2 is passed in the lower end of the lifting arm of lifting device 1, fixedlys connected with combination magnet 5 in the lower end of the lifting arm of lifting device 1, and combination magnet 5 is positioned at the vallecular cavity 10 of cell body 4 and is positioned at the below of dispenser 2; It is characterized in that: the bottom in the vallecular cavity 10 of described cell body 4 is provided with wedge shape separating tube 6, the upper end of wedge shape separating tube 6 is a big opening end, the lower end of wedge shape separating tube 6 is the osculum end, cavity in magnetic product gape C and the wedge shape separating tube 6 communicates, form non-magnetic product ore discharge circular passage between wedge shape separating tube 6 and the cell body 4, the bottom of cell body 4 is provided with non-magnetic product gape D, and non-magnetic product gape D is connected with non-magnetic product ore discharge circular passage; The top of wedge shape separating tube 6 is provided with ore pulp distribution drum 3, lower central area in the ore pulp distribution drum 3 is provided with hollow cone 12, hollow cone 12 is provided with lifting arm and passes through the hole, the lifting arm that the lifting arm of lifting device 1 passes on the hollow cone 12 passes through the hole, hollow cone 12 is fixing by connecting rod and ore pulp distribution drum 3, looping material mouth 9 between the lower end of the lower end of hollow cone 12 and wedge shape separating tube 6; The bottom of combination magnet 5 is positioned at the upper end of the cavity of wedge shape separating tube 6, and combination magnet 5 is positioned at the below of ore pulp distribution drum 3; The bottom of ore pulp distribution drum 3 is positioned at the top of the vallecular cavity of cell body 4, the bottom of dispenser 2 be positioned at ore pulp distribution drum 3 the middle and upper part, and dispenser 2 is positioned at the top of hollow cone 12;
Middle part in the cavity of described wedge shape separating tube 6 is provided with annular filling pipe 7, and annular filling pipe 7 is provided with water spout, and the shower nozzle of water spout upwards; Annular filling pipe 7 is fixing by connecting rod and wedge shape separating tube 6; Annular filling pipe 7 is connected with an end of feed pipe, and the other end of feed pipe is positioned at outside the cell body 4 after passing wedge shape separating tube 6, cell body 4.
The invention has the beneficial effects as follows:
1, after the magnetic product in the magnetic material is expected mouth by annular, (combination magnet moves up and down because of the magnetic attraction that is subjected to combination magnet, can regulate the magnetic force size at annular material mouthful place) and enter in the wedge shape separating tube, reach concentrated purpose, discharge by the magnetic product gape then.Ore pulp distribution drum, wedge shape separating tube, hollow cone, annular filling pipe, water spout, non-magnetic product gape are set up in employing; After non-magnetic product in the magnetic material is expected mouth by annular, because of the magnetic attraction that is not subjected to combination magnet enters non-magnetic product ore discharge circular passage, discharge by the non-magnetic product gape then, reach the purpose that non-magnetic product separates with magnetic product, promptly when having the concentrated characteristics of magnetic material, also have the characteristics of magnetic material sorting.
Adopt annular filling pipe, annular filling pipe is provided with water spout, and the shower nozzle of water spout upwards; Non-magnetic product can be gone out wedge shape separating tube (non-magnetic product is not influenced by magnetic force, easily goes out), concentrated, good separation effect.Utilize magnetic force absorption, particle gravity and hydrodynamics comprehensive function, the magnetic product after the desliming (water) separates discharging with non-magnetic product, each product design height, effective.
2, adopt the lower central area in the ore pulp distribution drum to be provided with hollow cone, looping material mouth between the lower end of the lower end of hollow cone and wedge shape separating tube; Non-magnetic product in the magnetic material is away from the central area of wedge shape separating tube, and the non-magnetic product easily sorting goes out.The face of hollow cone becomes oblique shape, when passing through annular material mouth in the magnetic material, the power to outwash (outside the wedge shape separating tube) is arranged, and non-magnetic product is not subjected to the magnetic attraction of combination magnet and enters non-magnetic product ore discharge circular passage.
3, be provided with flight along inwall in the employing dispenser, the balanced feed of energy, the non-magnetic particle of magnetic separation mechanical entrainment is fully disperseed under fluidised loose condition, utilize variable grain under certain fluid velocity condition, to distribute, reach the purpose that non-magnetic particle separates with the magnetic-particle shunting, the magnetic product quality after the concentrated desliming (water) is greatly improved.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Among the figure: 1-lifting device, 2-dispenser, 3-ore pulp distribution drum, the 4-cell body, 5-combination magnet, 6-wedge shape separating tube, 7-annular filling pipe, 8-frame, 9-annular material mouth, the 10-vallecular cavity, 11-annular overflow trough body, 12-hollow cone, the A-feed port, the B-overfall, C-magnetic product gape, D-non-magnetic product gape.
The specific embodiment
As shown in Figure 1, have the magnetic material concentration device of sorting function, it comprises lifting device 1, dispenser 2, ore pulp distribution drum 3, cell body 4, combination magnet 5, wedge shape separating tube 6, annular filling pipe 7, frame 8; Be that vallecular cavity 10 (or claims cavity in the cell body 4, the cross section of vallecular cavity is trapezoidal, the upper end is big, the lower end is little), the upper end of cell body 4 is an openend, the upper end outer wall of cell body 4 is fixed with annular overflow trough body 11 outward, annular overflow trough body 11 is provided with overfall B (overflow of cell body 4 enters the annular overflow trough body, is drained by overfall then), and the bottom of cell body 4 (on the base plate) is provided with magnetic product gape C (magnetic product gape C is connected with vallecular cavity 10); Cell body 4 is fixed on the frame 8; Dispenser 2 is a tubular structure, the top of dispenser 2 is provided with feed port A, dispenser 2 is passed in the lower end of the lifting arm of lifting device 1, and the lower end of the lifting arm of lifting device 1 and combination magnet are 5 fixedly connected, and (be connected as welding or bolt, combination magnet 5 moves up and down and moves up and down with lifting arm; Lifting device can adopt multiple version, and as adopting screw pair, lifting arm is a screw mandrel, nut on the screw mandrel is fixed on the frame, the handle of rotary screw upper end, screw mandrel moves up and down), combination magnet 5 is positioned at the vallecular cavity 10 of cell body 4 and is positioned at the below of dispenser 2; Bottom in the vallecular cavity 10 of described cell body 4 is provided with the lower end of wedge shape separating tube 6{ wedge shape separating tube 6 and the base plate of cell body 4 is fixed (as welding) }, the upper end of wedge shape separating tube 6 is a big opening end, the lower end of wedge shape separating tube 6 is the osculum end, cavity in magnetic product gape C and the wedge shape separating tube 6 communicates, form non-magnetic product ore discharge circular passage between wedge shape separating tube 6 and the cell body 4, the bottom of cell body 4 (on the base plate) is provided with non-magnetic product gape D, and non-magnetic product gape D is connected with non-magnetic product ore discharge circular passage; The top of wedge shape separating tube 6 is provided with ore pulp distribution drum 3, lower central area in the ore pulp distribution drum 3 is provided with hollow cone 12, hollow cone 12 is provided with lifting arm and passes through the hole, the lifting arm that the lifting arm of lifting device 1 passes on the hollow cone 12 passes through the hole, hollow cone 12 is by connecting rod (can adopt 2~4 connecting rods) and ore pulp distribution drum 3 fixing (being connected as welding or bolt), looping material mouth 9 between the lower end of the lower end of hollow cone 12 and wedge shape separating tube 6; The bottom of combination magnet 5 is positioned at the upper end of the cavity of wedge shape separating tube 6, and combination magnet 5 is positioned at the below of ore pulp distribution drum 3; The bottom of ore pulp distribution drum 3 is positioned at the top of the vallecular cavity of cell body 4, the bottom of dispenser 2 be positioned at ore pulp distribution drum 3 the middle and upper part, and dispenser 2 is positioned at the top of hollow cone 12;
Middle part in the cavity of described wedge shape separating tube 6 is provided with annular filling pipe 7, and annular filling pipe 7 is provided with water spout (water spout is 2~12), and the shower nozzle of water spout upwards; Annular filling pipe 7 is by connecting rod (can adopt 2~4 connecting rods) and wedge shape separating tube 6 fixing (as welding); Annular filling pipe 7 is connected with an end of feed pipe, and the other end of feed pipe is positioned at outside the cell body 4 after passing wedge shape separating tube 6, cell body 4.
Be provided with 2~4 flights { fixedly connected (as welding), flight is used for disperseing, balanced feed, forms balanced dispenser } along inwall in the described dispenser 2.Dispenser cooperates with the ore pulp distribution drum and is used for disperseing, balanced feed.
The internal diameter of the upper end of described wedge shape separating tube 6 is greater than the external diameter 0~60mm of annular material mouth 9.
Described wedge shape separating tube 6 and cell body 4 are at a distance of 100mm~800mm.
The opening of described annular material mouth 9 is 50mm~300mm (being the poor of external diameter and internal diameter).
Described combination magnet 5 can be combination permanent magnet magnetic system or combined electrical magnet magnetic system, and the magnetic field intensity of combination magnet 5 is 150mT~550mT.
The annular diameter and the maximum external profile diameter of combination magnet 5 proportional (bottom of combination magnet 5 becomes cylindricality) of annular filling pipe 7, proportionality coefficient is 0.7~0.9 (annular diameter of annular filling pipe 7 is little).
The maximum external profile diameter of combination magnet 5 is less than or equal to the internal diameter (because of the effect of ore pulp distribution drum, hollow cone, material is in the combination magnet outer rim) of annular material mouth 9.
The spacing of described lifting device 1 is 500mm~2000mm.
The upper limb diameter of described cell body 4 is 600mm~5000mm.
The course of work:
1, regulates the position of combination magnet 5 as Fig. 1;
2, close magnetic product gape C and non-magnetic product gape D;
3, if for combined electrical magnet magnetic system, need to start the power supply of combination magnet; If, then can omit this step for combination permanent magnet magnetic system;
4, open annular filling pipe 7 to replenish low amounts of water, also can open according to circumstances in good time;
5, send into by feed port (or claim material inlet) A and wait to concentrate and sorting material (being slurry), enter into cell body 4 through dispenser 2 and ore pulp distribution drum 3, the magnetic thing of solid material is adsorbed in magnet surface fast in the slurry, and sink concentrated along with the gathering of magnetic-particle thing, and then continuation sedimentation, the concentration of material further improves, and after magnetic product gape (or claiming the magnetic product discharge gate) C discharge;
6, the non-magnetic particle thing flows toward the cell body outer rim through dividing favored area because of flow action, and particulate or microfine non-magnetic particle thing are overflowed because of the further come-up of flow action; Coarse grain or further sink greater than flow action because of the gravity effect than coarse grain non-magnetic particle thing, and be fed to non magnetic aggregation zone (non-magnetic product ore discharge circular passage) between the outside and cell body 4 of wedge shape separating tube 6, and then the concentration that continues the sedimentation material further improves, and after non-magnetic product gape (or claiming non-magnetic product discharge gate) D discharge;
7, concentrate the concentration of material and the quality of concentrate according to waiting, regulate annular filling pipe 7, lifting device 1, magnetic product gape C and magnetic product gape D, thus the concentration of control material and the quality of product.
Operation principle:
1, the present invention is on the basis of conventional magnetic force desliming (water) groove, by setting up devices such as wedge shape separating tube, ore pulp distribution drum, hollow cone, annular filling pipe, increased sorting function, help eliminating or the mechanical entrainment when reducing the strongly magnetic material sorting, improved the product quality of strongly magnetic material;
2, wait to concentrate and sorting material, enter into cell body through dispenser and ore pulp distribution drum, because ore particle is in fluidized state, the magnetic thing of solid material is adsorbed in magnet surface fast in the slurry, and mechanical entrainment disappears substantially, along with the gathering of magnetic-particle thing, the magnetic-particle thing below the ore pulp distribution drum and the formation between the wedge shape separating tube divide favored area to sink and concentrate, and then the continuation sedimentation, the concentration of material further improves, and after magnetic product gape C discharge;
3, because of the effect of ore pulp distribution drum, hollow cone, material is in the combination magnet outer rim, non-magnetic particle thing flow action can be comparatively fast through dividing favored area to flow toward the cell body outer rim, particulate or microfine non-magnetic particle thing are bigger because of the ascending current effect, constitute further come-up and being overflowed of overflow ducts above ore pulp distribution drum outer and between the cell body; Coarse grain or than coarse grain non-magnetic particle thing because of the gravity effect greater than the ascending current effect, further sink and be fed to non magnetic aggregation zone between wedge shape separating tube outside and the cell body, sedimentation is continued in the concentrated zone that constitutes with the wedge shape separating tube outside below cell body, the concentration of material further improves, and after non-magnetic product gape D discharge;
4, regulate the spacing size of the water yield, lifting device (being that magnetic is adjuster) and the ore pulp distribution drum of annular filling pipe, and the openings of sizes of magnetic product gape C and non-magnetic product gape D, can control the concentration of material and the quality of product, and concentration ability of the present invention and separating effect;
5, combination magnet can be adjustable continuously by lifting device (being that magnetic is adjuster); Annular filling pipe, magnetic product gape C and non-magnetic product gape D all can realize automatic control, and be simple to operate, use flexibly;

Claims (6)

1. the magnetic material concentration device that has sorting function, it comprises lifting device (1), dispenser (2), cell body (4), combination magnet (5), frame (8); In the cell body (4) is vallecular cavity (10), the upper end of cell body (4) is an openend, the upper end outer wall of cell body (4) is fixed with annular overflow trough body (11) outward, and annular overflow trough body (11) is provided with overfall (B), and the bottom of cell body (4) is provided with magnetic product gape (C); Cell body (4) is fixed on the frame (8); Dispenser (2) is a tubular structure, the top of dispenser (2) is provided with feed port (A), dispenser (2) is passed in the lower end of the lifting arm of lifting device (1), fixedly connected with combination magnet (5) in the lower end of the lifting arm of lifting device (1), combination magnet (5) is positioned at the vallecular cavity (10) of cell body (4) and is positioned at the below of dispenser (2); It is characterized in that: the bottom in the vallecular cavity (10) of described cell body (4) is provided with wedge shape separating tube (6), the upper end of wedge shape separating tube (6) is a big opening end, the lower end of wedge shape separating tube (6) is the osculum end, cavity in magnetic product gape (C) and the wedge shape separating tube (6) communicates, form non-magnetic product ore discharge circular passage between wedge shape separating tube (6) and the cell body (4), the bottom of cell body (4) is provided with non-magnetic product gape (D), and non-magnetic product gape (D) is connected with non-magnetic product ore discharge circular passage; The top of wedge shape separating tube (6) is provided with ore pulp distribution drum (3), lower central area in the ore pulp distribution drum (3) is provided with hollow cone (12), hollow cone (12) is provided with lifting arm and passes through the hole, the lifting arm that the lifting arm of lifting device (1) passes on the hollow cone (12) passes through the hole, hollow cone (12) is fixing by connecting rod and ore pulp distribution drum (3), looping material mouth (9) between the lower end of the lower end of hollow cone (12) and wedge shape separating tube (6); The bottom of combination magnet (5) is positioned at the upper end of the cavity of wedge shape separating tube (6), and combination magnet (5) is positioned at the below of ore pulp distribution drum (3); The bottom of ore pulp distribution drum (3) is positioned at the top of the vallecular cavity of cell body (4), the bottom of dispenser (2) be positioned at ore pulp distribution drum (3) the middle and upper part, and dispenser (2) is positioned at the top of hollow cone (12); Middle part in the cavity of described wedge shape separating tube (6) is provided with annular filling pipe (7), and annular filling pipe (7) is provided with water spout, and the shower nozzle of water spout upwards; Annular filling pipe (7) is fixing by connecting rod and wedge shape separating tube (6); Annular filling pipe (7) is connected with an end of feed pipe, and the other end of feed pipe is positioned at outside the cell body (4) after passing wedge shape separating tube (6), cell body (4).
2. the magnetic material concentration device with sorting function according to claim 1 is characterized in that: be provided with 2~4 flights along inwall in the described dispenser (2).
3. the magnetic material concentration device with sorting function according to claim 1 is characterized in that: the internal diameter of the upper end of described wedge shape separating tube (6) is greater than the external diameter 0~60mm of annular material mouth (9).
4. the magnetic material concentration device with sorting function according to claim 1 is characterized in that: described wedge shape separating tube (6) and cell body (4) are at a distance of 100mm~800mm.
5. the magnetic material concentration device with sorting function according to claim 1 is characterized in that: the opening of described annular material mouthful (9) is 50mm~300mm.
6. the magnetic material concentration device with sorting function according to claim 1 is characterized in that: the proportionality coefficient of the maximum external profile diameter of the annular diameter of described annular filling pipe (7) and combination magnet (5) is 0.7~0.9.
CN2009100639508A 2009-09-14 2009-09-14 Magnetic material concentration device with sorting function Expired - Fee Related CN101648158B (en)

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Cited By (6)

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CN104668085A (en) * 2013-11-29 2015-06-03 中冶长天国际工程有限责任公司 Slurry removal groove
CN104772211A (en) * 2015-04-30 2015-07-15 山东华特磁电科技股份有限公司 Electromagnetic elutriation fine separation machine
CN105195304A (en) * 2015-07-24 2015-12-30 石家庄金垦科技有限公司 Sorting process for improving quality and reducing impurities of low-grade magnetite concentrate
CN106076609A (en) * 2016-08-16 2016-11-09 攀枝花市九鼎智远知识产权运营有限公司 Mine spiral is to barrel
WO2017215012A1 (en) * 2016-06-15 2017-12-21 沈阳隆基电磁科技股份有限公司 Intelligent panning magnetic separator and magnetic separation method
CN116330320A (en) * 2023-05-29 2023-06-27 四川吉埃智能科技有限公司 Intelligent grabbing robot controlled in linear mode and control method

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US4316542A (en) * 1980-07-15 1982-02-23 Zelenov Petr I Electromagnetic separator
SU1763020A1 (en) * 1990-09-21 1992-09-23 Белгородский филиал Научно-исследовательского и проектного института по обогащению и агломерации руд черных металлов "Механобрчермет" Magnetic separator
CN1080565A (en) * 1992-07-02 1994-01-12 首钢总公司 Magnetic force incline board concentrating box
CN2649181Y (en) * 2003-07-22 2004-10-20 田中全 Efficient magnetic dehydration tank
CN1234461C (en) * 2004-04-15 2006-01-04 北京矿冶研究总院 Magnetic floatation machine
CN201295636Y (en) * 2008-11-10 2009-08-26 鞍山明卓矿山传导设备研发中心 Novel magnetic force flushing type dewatering tank

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Publication number Priority date Publication date Assignee Title
CN104668085A (en) * 2013-11-29 2015-06-03 中冶长天国际工程有限责任公司 Slurry removal groove
CN104668085B (en) * 2013-11-29 2017-09-12 中冶长天国际工程有限责任公司 A kind of sloughing-off tank
CN104772211A (en) * 2015-04-30 2015-07-15 山东华特磁电科技股份有限公司 Electromagnetic elutriation fine separation machine
CN104772211B (en) * 2015-04-30 2019-02-19 山东华特磁电科技股份有限公司 Electromagnetism eluriates refiner
CN105195304A (en) * 2015-07-24 2015-12-30 石家庄金垦科技有限公司 Sorting process for improving quality and reducing impurities of low-grade magnetite concentrate
WO2017215012A1 (en) * 2016-06-15 2017-12-21 沈阳隆基电磁科技股份有限公司 Intelligent panning magnetic separator and magnetic separation method
CN106076609A (en) * 2016-08-16 2016-11-09 攀枝花市九鼎智远知识产权运营有限公司 Mine spiral is to barrel
CN116330320A (en) * 2023-05-29 2023-06-27 四川吉埃智能科技有限公司 Intelligent grabbing robot controlled in linear mode and control method
CN116330320B (en) * 2023-05-29 2023-07-25 四川吉埃智能科技有限公司 Intelligent grabbing robot controlled in linear mode and control method

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