CN106914339B - A kind of tailing in-flow column magnetic separator - Google Patents
A kind of tailing in-flow column magnetic separator Download PDFInfo
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- CN106914339B CN106914339B CN201710276976.5A CN201710276976A CN106914339B CN 106914339 B CN106914339 B CN 106914339B CN 201710276976 A CN201710276976 A CN 201710276976A CN 106914339 B CN106914339 B CN 106914339B
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- tailing
- mine
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- pipe
- cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
- B03C1/14—Magnetic separation acting directly on the substance being separated with cylindrical material carriers with non-movable magnets
Abstract
The present invention relates to a kind of tailing in-flow column magnetic separators, including outer barrel, ore pulp mine-feeding equipment, sorting cylinder, tangential feed pipe, tailing overflow mechanism, concentrate pipe, magnetic system and electric control gear, ore pulp mine-feeding equipment is made of opened type mine-separating disk and multiple points of pipes, the tailing overflow mechanism is is placed in sorting cylinder, the tailing inner flow tube axially set along sorting cylinder center, the tangential feed pipe is located at the lower part of the last one solenoid coil from top to bottom, feedwater direction and sorting cylinder outer wall are tangent, and feed water brake is set on tangential feed pipe.Its advantage is：Both having avoided magnetic field in the middle part of column magnetic separator sorting area reduces the defects of fine-particle minerals is caused to be lost in, also overcome simultaneously tailing in traditional column magnetic separator need to consume a large amount of ascending water could " fair current and on " into overflow launder the problem of, the water consumption of column magnetic separator can be greatly reduced.
Description
Technical field
The invention belongs to technical field of magnetic separation equipment more particularly to a kind of tailing in-flow magnetic separation sorted for magnetic iron ore
Column.
Background technology
Column magnetic separator is using the intermittent low-intensity magnetic field in spiral winding, and magnetic mineral is made to reunite and accelerates to sink, is utilized simultaneously
Ascending current power rinses away the intergrowth being mixed in magnetic iron ore monomer particle and gangue, and concentrate product are improved so as to reach
The purpose of position.The commercial Application of column magnetic separator is primarily present two problems at present, when the field weakening in the middle part of spiral cast magnetic system,
So as to reduce the possibility that micro fine particle magnetite is captured in the region, tailings grade raising is easy to cause, concentrate metal returns
Yield reduces；Second is that column magnetic separator is by solenoidal field, periodically alternately variation makes magnetic mineral generate " reunion-dispersion-reunion "
And it flows gradually downward, while developed the intergrowth being exposed in dispersion process and gangue mineral using ascending current
And carry to the overflow area at top as tailing, the assorting room water consumption which results in column magnetic separator is excessive, and average treatment is every
Ton needs 2-4 tons of water consumption or more to ore deposit.
Invention content
The present invention according to column magnetic separator apply present in problem above, it is low to provide a kind of tailings grade, and water consumption is few
Tailing in-flow column magnetic separator.
The object of the present invention is achieved like this.
A kind of tailing in-flow column magnetic separator according to the invention including outer barrel, ore pulp mine-feeding equipment, sorts cylinder, tangential
Feed pipe, tailing overflow mechanism, concentrate pipe, magnetic system and electric control gear, it is characterised in that：
The ore pulp mine-feeding equipment is uniformly arranged on mine-separating disk lower part, and connect with mine-separating disk by opened type mine-separating disk
Multiple points of pipes formed, pipe bottom is divided to stretch into the intermediate position of sorting cylinder, the top of the mine-separating disk is open
Design, the round table-like guide ring at middle part and the side of inverted cone-shaped form mine-carrying groove；
The magnetic system is solenoid coil, is nested in the outside of sorting cylinder；
For the tailing overflow mechanism to be placed in sorting cylinder, edge sorts the tailing inner flow tube that cylinder center is axially set,
The top of the tailing inner flow tube is connected with the guide ring bottom in the middle part of mine-separating disk, and outside is by stent with sorting in cylinder
Wall is fixedly connected, and the bottom end of tailing inner flow tube tilts the outside that sorting cylinder is extended to after 45 °；It is equal at the top of tailing inner flow tube
It is even to be equipped with tailing overflow port, in the end of tailing inner flow tube, tailing flow control valve is set；
The tangential feed pipe is located at the lower part of the last one solenoid coil from top to bottom, and feedwater direction is justified with sorting
Drum outer wall is tangent, and feed water brake is equipped on tangential feed pipe；
The concentrate pipe is connected with sorting the base cone of cylinder, and concentrate flow control valve is set on concentrate pipe；
Solenoid coil, tailing flow control valve, feed water brake and the concentrate flow control valve with
Electric control gear connects.
Preferably, the distance at the top of the solenoid coil of the bottom end of the tailing overflow port higher than first is about 0.3-1
Coil height again, the number of the tailing overflow port is 2-4.
Preferably, the spacing of the solenoid coil adjacent windings is 0.5-1 times of coil height, number of coils 4-
9.
It is an advantage of the invention that：
The defects of traditional column magnetic separator is sorted the magnetic field reduction of area middle part and big water consumption by flow pattern column magnetic separator in tailing is cleverly
With reference to simultaneously complementation, at the middle part of column magnetic separator, setting includes the tailing inner flow tube of tailing overflow port, has both avoided column magnetic separator sorting area
Middle part magnetic field reduces the defects of fine-particle minerals is caused to be lost in, while also overcoming tailing in traditional column magnetic separator needs consumption a large amount of
Ascending water could " fair current and on " into overflow launder the problem of, the water consumption of column magnetic separator can be greatly reduced.
Description of the drawings
Fig. 1 is the structure diagram of flow pattern column magnetic separator in tailing.
Fig. 2 is the vertical view of flow pattern column magnetic separator in tailing.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of tailing in-flow column magnetic separator of the invention, including outer barrel 13, ore pulp mine-feeding equipment,
Sort cylinder 1, tangential feed pipe, tailing overflow mechanism, concentrate pipe, magnetic system and electric control gear, it is characterised in that：
The ore pulp mine-feeding equipment is by opened type mine-separating disk 12,12 lower part of mine-separating disk being uniformly arranged on, and with dividing ore deposit
Multiple points of pipes 9 of disk connection are formed, generally 4-6, and 9 bottom of pipe is divided to stretch into the intermediate position of sorting cylinder 1, described
Mine-separating disk 12 top for open design, the round table-like guide ring 11 at middle part forms mine-carrying groove with the side of inverted cone-shaped；
The magnetic system is solenoid coil 2, is nested in the outside of sorting cylinder 1；The solenoid coil adjacent lines
The spacing of circle is 0.5-1 times of coil height, and number of coils is 4-9.
For the tailing overflow mechanism to be placed in sorting cylinder 1, edge sorts the tailing inner flow tube 8 that cylinder 1 is axially set, institute
The top for the tailing inner flow tube 8 stated is connected with 11 bottom of guide ring in the middle part of mine-separating disk, and outside passes through stent 7 and sorting cylinder 1
Inner wall be fixedly connected, the bottom end of tailing inner flow tube 8 tilts the outside that sorting cylinder 1 is extended to after 45 °；In tailing inner flow tube 8
Top be uniformly provided with tailing overflow port 10, in the end of tailing inner flow tube 8, tailing flow control valve 6 is equally set；Described
The coil height that distance at the top of the solenoid coil of the bottom end of tailing overflow port higher than first is about 0.3-1 times, the tail
The number of ore deposit overflow port is 2-4.
Tangential feed pipe 3 of the present invention is located at the lower part of the last one solenoid coil 2 from top to bottom, direction of feeding water
It is tangent with sorting 1 outer wall of cylinder, feed water brake 14 is set on tangential feed pipe 3；
The concentrate pipe 5 is connected with sorting the base cone of cylinder 1, and concentrate flow control valve 4 is equipped on concentrate pipe 5；
The solenoid coil 2, tailing flow control valve 6, feed water brake 14 is sent out and concentrate flow control valve 4
It is connect with electric control gear.
Illustrate the use process of the present invention below in conjunction with the accompanying drawings：
As depicted in figs. 1 and 2, start the control valve 14 of tangential feed pipe 3, the sorting of flow pattern column magnetic separator in tailing is justified
Water is filled in cylinder 1, tangential feedwater tube control flap 14, concentrate flow control valve 4 and tailing flow control valve 6 is adjusted, protects
In the case of demonstrate,proving tailing spillwag chute stabilization, make confluent and two flow kept in balance for going out mine mouth.The electricity of starting device
Control device, excitation solenoid magnetic system 2.The magnetic iron ore ore pulp that mass concentration is 50% or so is fed into tailing by tank diameter pumping
The mine-separating disk 12 of interior flow pattern column magnetic separator, ore pulp is through dividing pipe 9 to enter in tailing in the sorting cylinder 1 of flow pattern column magnetic separator, in helical
In the case that the magnetic field of pipe magnetic system 2 generates periodically alternating variation, magnetic most strong, proportion maximum magnetic iron ore monomer particle generates
" reunion-dispersion-reunion ", and be gradually displaced downwardly to concentrate pipe 5 under gravity as final concentrate, and it is magnetic it is slightly weak,
The smaller intergrowth of proportion and non magnetic gangue mineral are raised flow and carry to the top of sorting cylinder 1, through tailing overflow port
10, which enter tailing inner flow tube 8, becomes true tailings.By adjusting the flow control valve of tangential feed pipe, solenoid magnetic system is adjusted
Excitation current size and power cycles, the sorting index of the concentrate and tailings in magnetic iron ore assorting room can be adjusted
It is whole.
Claims (3)
1. a kind of tailing in-flow column magnetic separator, including outer barrel, ore pulp mine-feeding equipment, sorting cylinder, tangential feed pipe, tailing overflow
Device, concentrate pipe, magnetic system and electric control gear, it is characterised in that：
The ore pulp mine-feeding equipment is uniformly arranged on mine-separating disk lower part, and connected with mine-separating disk more by opened type mine-separating disk
It is a that pipe is divided to be formed, pipe bottom is divided to stretch into the intermediate position of sorting cylinder, the top of the mine-separating disk is open design,
The round table-like guide ring at middle part and the side of inverted cone-shaped form mine-carrying groove；
The magnetic system is solenoid coil, is nested in the outside of sorting cylinder；
For the tailing overflow mechanism to be placed in sorting cylinder, edge sorts the tailing inner flow tube that cylinder center is axially set, described
The top of tailing inner flow tube be connected with the guide ring bottom in the middle part of mine-separating disk, outside by stent and sort cylinder inner wall consolidate
Fixed connection, the bottom end of tailing inner flow tube tilt the outside that sorting cylinder is extended to after 45 °；It is uniformly set at the top of tailing inner flow tube
There is tailing overflow port, tailing flow control valve is set in the end of tailing inner flow tube；
The tangential feed pipe is located at the lower part of the last one solenoid coil from top to bottom, and feedwater direction is with sorting outside cylinder
Wall is tangent, and feed water brake is set on tangential feed pipe；
The concentrate pipe is connected with sorting the base cone of cylinder, and concentrate flow control valve is equipped on concentrate pipe；
Solenoid coil, tailing flow control valve, feed water brake and the concentrate flow control valve with it is automatically controlled
Device connects；
The coil that distance at the top of the solenoid coil of the bottom end of the tailing overflow port higher than first is about 0.3-1 times is high
Degree, the number of the tailing overflow port is 2-4.
2. tailing in-flow column magnetic separator according to claim 1, it is characterised in that the solenoid coil adjacent windings
Spacing be 0.5-1 times of coil height, number of coils is a for 4-9.
3. tailing in-flow column magnetic separator according to claim 1, it is characterised in that the multiple points of pipes are 4-6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710276976.5A CN106914339B (en) | 2017-04-25 | 2017-04-25 | A kind of tailing in-flow column magnetic separator |
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| CN201710276976.5A CN106914339B (en) | 2017-04-25 | 2017-04-25 | A kind of tailing in-flow column magnetic separator |
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| CN106914339B true CN106914339B (en) | 2018-06-19 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107812609A (en) * | 2017-12-07 | 2018-03-20 | 石家庄金垦科技有限公司 | Magnetic deslimer |
| CN112326503B (en) * | 2020-10-14 | 2022-03-08 | 上海交通大学 | Halbach array type antimagnetic suspension cell density detection and separation device and method |
| CN112808455B (en) * | 2021-01-27 | 2022-12-13 | 鞍钢集团矿业设计研究院有限公司 | Permanent magnetic separator with movable shielding plate |
| CN113695081A (en) * | 2021-08-24 | 2021-11-26 | 北矿机电科技有限责任公司 | Separator of electric permanent magnet |
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| US20090152176A1 (en) * | 2006-12-23 | 2009-06-18 | Baxter International Inc. | Magnetic separation of fine particles from compositions |
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| CN2836920Y (en) * | 2005-11-11 | 2006-11-15 | 李日善 | Intelligence helical magnetic field magnetic separation post |
| CN201205511Y (en) * | 2008-03-17 | 2009-03-11 | 河北昌辉机电设备有限公司 | Full automatic elutriation magnetic separator |
| CN102527511A (en) * | 2012-02-23 | 2012-07-04 | 辽宁科技大学 | Ring pillar for magnetic separation |
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