CN106914337A - A kind of three product column magnetic separators - Google Patents
A kind of three product column magnetic separators Download PDFInfo
- Publication number
- CN106914337A CN106914337A CN201710277720.6A CN201710277720A CN106914337A CN 106914337 A CN106914337 A CN 106914337A CN 201710277720 A CN201710277720 A CN 201710277720A CN 106914337 A CN106914337 A CN 106914337A
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- magnetic
- roughing
- pipe
- area
- separation tube
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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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
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- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention relates to a kind of three products column magnetic separator, including frame and outer barrel, the sorting unit being located in outer barrel, magnetic system, mine tailing overflow launder, mine-feeding equipment, waterworks and the electric control gear being connected with magnetic system, described sorting unit is made up of top roughing area sorting mechanism and the selected area's sorting mechanism in bottom being connected as a single entity with top roughing area sorting mechanism.Its advantage is：The present invention is in rougher process and refining process, using different magnetic induction intensity, realize being precisely separated for magnetic iron ore monomer particle, intergrowth particle and gangue mineral in magnetite ore, can effectively overcome that existing column magnetic separator range of application is narrow, water consumption big and microfine magnetic mineral easily runs the defects such as tail, and magnetite separation efficiency can be improved, shorten the beneficiation flowsheet of magnetic iron ore, wherein mineral products are mainly the intergrowth mineral of not yet monomer dissociation, can return to former flow regrinding and reconcentration.
Description
Technical field
The invention belongs to technical field of magnetic separation equipment, more particularly to a kind of three product column magnetic separators sorted for magnetic iron ore.
Background technology
Because the magnetic field intensity of permanent-magnet drum type magnetic separator is higher, exist during the sorting of ferromagnetism magnetic iron ore compared with
Strong magnetic coagulation phenomenon, and magnetic force dehydration groove and Magnetic Agglomeration Gravity Separator because using stationary magnetic field, it is allowed to ascending water speed
Degree is smaller, can only separate micro-size fraction gangue and part particulate intergrowth, therefore in the assorting room of these equipment, it is all different
It is mingled with the phenomenon of intergrowth and gangue in the presence magnetic agglomerate of degree, so as to non magnetic Inclusion Problem cannot be solved thoroughly, causes
Concentrate grade reduction.Column magnetic separator is, using the intermittent low-intensity magnetic field in spiral winding, magnetic mineral is reunited and accelerate to sink, while
The intergrowth and gangue that will be mixed in magnetic iron ore monomer particle using ascending current power are rinsed away, and essence is improved so as to reach
The purpose of ore deposit grade.
With the development of technology, people develop modified magnetic plant column magnetic separator, at present, the conventional magnetic that ore dressing plant uses
In optional equipment, column magnetic separator it is most widely used.For example：ZL200420070348X, disclose a kind of column magnetic separator,
ZL2005200020094455, discloses a kind of electromagnetical spiral post, ZL2003201053982, discloses a kind of magnetic separator,
The gangue of big particle is poured mine tailing by column magnetic separator using ascending current power, the tension force of miberal powder particulate is suspended using water, together
When apply the magnetic field of some strength to suspension ore particle again, be allowed to be polymerized to magnetic linkage, and aggregation in the presence of stepping moves down magnetic field, under
Sink, broken up, reassociated, sunk again, complete sorting.Although column magnetic separator improves beneficiating efficiency to a certain extent,
Its service behaviour is seen in commercial Application also have the following disadvantages：Column magnetic separator unit area disposal ability is relatively low, processed in units energy
The problems such as power water consumption is higher, causes following problem：1) range of application is narrower, is applicable only to granularity relatively thin, grade higher
Iron ore concentrate purification process, iron concentrate grade can only improve 1-5 percentage points；2) capturing ability to Ultra-fine iron minerals is not strong,
Easily cause mine tailing overflow and run black, the influence concentrate rate of recovery；3) following current and on mine tailing discharge mode cause its water consumption bigger than normal,
Generally process per ton needs water consumption 2-4 tons to ore deposit.In fact, ore grinding is main by magnet to the magnetite ore of certain fineness
How ore deposit monomer particle, intergrowth and gangue mineral composition, accurately divided according to the difference of three's specific susceptibility and proportion
From being the important trend of following magnetic plant development.
The content of the invention
The present invention is intended to provide it is a kind of can effectively intensified sorting effect, improve concentrate grade, reduce water consumption tertiary industry
Product column magnetic separator.
What the present invention was realized in.
A kind of three products column magnetic separator of the invention, including frame and outer barrel, the sorting unit being located in outer barrel, magnetic system, tail
Ore deposit overflow launder, mine-feeding equipment, waterworks and the electric control gear being connected with magnetic system, it is characterised in that：
Described sorting unit is connected as a single entity down by top roughing area sorting mechanism and with top roughing area sorting mechanism
The selected area's sorting mechanism in portion is constituted；Described magnetic system is solenoid coil；
Described top roughing area sorting mechanism is arranged on the multigroup roughing area on the outside of roughing separation tube by roughing separation tube
Solenoid coil, the tangential feed pipe in roughing area and roughing area concentrate pipe for being arranged on roughing separation tube bottom is constituted, described
Roughing area concentrate pipe is connected with the base cone of roughing separation tube, and rough concentrate flow control valve is provided with the middle part of roughing area concentrate pipe；
De- magnetic magnetic system is nested with the end of described roughing area concentrate pipe, the mineral-feeding pipe of ore pulp mine-feeding equipment is extended in roughing separation tube
Middle and lower part；
The selected area's sorting mechanism in described bottom includes selected separation tube, is arranged on multigroup selected on the outside of selected separation tube
Area's solenoid coil, is arranged on the tangential feed pipe in selected area of selected separation tube bottom, is arranged on selected separation tube top, and position
In selected area's mine-feeding equipment of de- magnetic magnetic system bottom, concentrate ore outlet pipe is connected with the base cone of selected separation tube, in the middle part of concentrate pipe
It is additionally provided with flow control valve；
In described selected separation tube, middle pipe is provided with along selected separation tube is central axial, the top of described middle pipe
Portion is placed in the bottom of selected area's mine-feeding equipment, and ring-like overfall is provided with the top of middle pipe, and the ore outlet pipe of middle pipe inclines 45 °
After extend to selected separation tube exceptionally portion, the end of chats ore outlet pipe is provided with chats flow control valve.
Preferably, described roughing area solenoid coil is constituted for 4-6 groups energization solenoid, and its magnetic induction intensity is 0-
180mT。
Preferably, described selected area's solenoid coil is 4-6 groups energization solenoid composition, and its magnetic induction intensity is 0-
80mT。
Preferably, described selected area's mine-feeding equipment is by ring-like mine-separating disk and is uniformly arranged on the two of ring-like mine-separating disk bottom
A point pipe more than individual is constituted, and divides a pipe bottom to stretch into middle and lower part in selected separation tube, the top of described ring-like mine-separating disk
It is open design, the round table-like guide ring at middle part forms mine-carrying groove with the side of inverted cone-shaped.
Preferably, described concentrate go out mine mouth and chats go out on mine mouth to be respectively provided with concentrate flow control valve and in
Ore deposit flow control valve, electric control gear also controls valve and chats flow control valve with rough concentrate flow control valve, concentrate flow respectively
Electrical connection.
Preferably, the bottom and side of described ore pulp mineral-feeding pipe bottom are equipped with feed port.
It is an advantage of the invention that：
The present invention is according to magnetic iron ore monomer particle, intergrowth and gangue mineral specific susceptibility and proportion in magnetite separation
Difference, targetedly devise roughing area and selected area in a column magnetic separator, and for intergrowth and gangue mineral
Characteristic, devises to differentiation separating structure and the product flow direction of different component, the gangue mineral " following current that proportion is small, magnetic is weak
And on ", proportion is larger, relatively high magnetism intergrowth " under countercurrently ", and proportion is maximum, magnetic most strong, grade highest magnetic iron ore
Monomer particle " agglomerate and under ", can be accurate by the magnetic iron ore monomer particle in magnetite ore, intergrowth and gangue mineral
Separate.Compared with traditional column magnetic separator is simply possible to use in magnetic iron ore refining process, the present invention can not only select concentrate and tailings,
And chats can also be selected.
The present invention uses the solenoid coil with different magnetic induction intensity respectively in rougher process and refining process,
Being precisely separated for magnetic iron ore monomer particle, intergrowth and gangue in magnetite ore is realized, existing column magnetic separator can be effectively overcome
Range of application is narrow, water consumption is big and microfine magnetic mineral easily runs the defects such as tail, and can improve magnetite separation efficiency, contracting
The beneficiation flowsheet of short magnetic iron ore, wherein mineral products are mainly the intergrowth mineral of not yet monomer dissociation, can return to former flow and regrind
Select again.
Figure of description
Fig. 1 is structural representation of the invention.
Fig. 2 is the A-A sectional views of Fig. 1 of the present invention.
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 three products column magnetic separator, including frame 5 and outer barrel 21, the sorting being located in outer barrel 21
Device, magnetic system, mine tailing overflow launder 2, mine-feeding equipment, waterworks and the electric control gear being connected with magnetic system, mine tailing overflow launder 2
With horizontal overflow edge and inclined overflow collection plane, the mine tailing of collection flows out from debris tube, it is characterised in that：
Described sorting unit is connected as a single entity down by top roughing area sorting mechanism and with top roughing area sorting mechanism
The selected area's sorting mechanism in portion is constituted；Described magnetic system is solenoid coil electromagnetism magnetic system；
Described top roughing area sorting mechanism is arranged on multigroup roughing in the outside of roughing separation tube 3 by roughing separation tube 3
Area's solenoid coil 4, the tangential feed pipe 5 in roughing area and roughing area concentrate pipe 6 for being arranged on the bottom of roughing separation tube 3 is constituted,
Described roughing area concentrate pipe 6 is connected with the base cone of roughing separation tube 3, and the middle part of roughing area concentrate pipe 6 is provided with flow control
Valve 19；The de- magnetic magnetic system 7 being made up of solenoid coil is nested with the end of described roughing area concentrate pipe 6, ore pulp gives ore deposit dress
The mineral-feeding pipe 1 put extends middle and lower part in roughing separation tube 3.
The bottom and side of the bottom of ore pulp mineral-feeding pipe 1 of the present invention are equipped with feed port；The roughing separation tube 3
Material is not magnetic stainless steel；Described roughing area solenoid coil 4 is made up of 4-6 group energization solenoids, its magnetic induction intensity
For 0-180mT is adjustable, also can be used the ferromagnetic system of the electromagnetism with iron core to substitute, be nested in the outside of roughing separation tube 3, it is and automatically controlled
Device is connected.
The selected area's sorting mechanism in described bottom includes selected separation tube 9, is arranged on multigroup essence in the outside of selected separation tube 9
Constituency solenoid coil 17, described selected area's solenoid coil 17 is made up of 4-6 group energization solenoids, and its magnetic induction intensity is
0-80mT is adjustable；It is arranged on the tangential feed pipe 16 in selected area of the bottom of selected separation tube 9 and is arranged on the top of selected separation tube 9,
And positioned at selected area's mine-feeding equipment of the de- bottom of magnetic magnetic system 7, the feedwater direction of feed pipe 16 is tangent with sorting cylinder；Concentrate ore removal
Pipe 14 is connected with the base cone of selected separation tube 9, and flow control valve 15 is additionally provided with the middle part of concentrate ore outlet pipe 14；
The present invention is provided with middle pipe 11 in described selected separation tube 9 along selected separation tube 9 is central axial, described
The top of middle pipe 11 is placed in the bottom of selected area's mine-feeding equipment, and is provided with ring-like overfall 18, chats at the top of middle pipe 11
The ore outlet pipe 12 of pipe extends to the exceptionally portion of selected separation tube 9 after inclining 45 °, and the end of chats ore outlet pipe 12 is provided with chats stream
Control valve 13.
Selected area's mine-feeding equipment of the present invention is by ring-like mine-separating disk 8 and is uniformly arranged on the bottom of ring-like mine-separating disk 8
More than two points of pipes 10 are constituted, and middle and lower part in selected separation tube 9, described ring-like mine-separating disk are stretched into point bottom of pipe 10
8 top is open design, and the round table-like guide ring 20 at middle part forms mine-carrying groove with the side of inverted cone-shaped.
Use process of the invention is illustrated below in conjunction with the accompanying drawings：
As depicted in figs. 1 and 2, the selected area's separator of tangential feed pipe 5 and bottom of top roughing area sorting mechanism is started
The tangential feed pipe 16 of structure, the regulation top roughing area sorting mechanism concentrate flow control selected area's sorting mechanism of valve 19, bottom
Concentrate flow controls valve 15 and chats flow control valve 13, it is ensured that in the case of mine tailing spillwag chute stabilization, make total confluent and three
It is individual go out mine mouth flow kept in balance.The electric control gear of starting device, excites roughing area solenoid coil 4, de- magnetic magnetic field 7
With selected area's solenoid coil 17.The magnetic iron ore ore pulp that mass concentration is 50% or so is pumped by tank diameter and feeds tertiary industry product
The mineral-feeding pipe 1 of column magnetic separator, in the case where roughing area magnetic field 4 periodically alternately changes, the magnetic iron ore and intergrowth of relatively high magnetism
"-dispersion-of reuniting is reunited " is produced, and is gradually moved down under gravity, and the less non magnetic gangue mineral quilt of proportion
Ascending current carries to mine tailing overflow launder 2 mine tailing that turn into and can directly abandon；The concentrate in roughing area enters roughing by base cone
After area concentrate pipe 6, remanent magnetism is eliminated in the presence of de- magnetic magnetic field 7, be the selected ready of selected area；By roughing area concentrate
Flow control valve 19 can also adjust concentration of the selected area to ore deposit, and the magnetic iron ore for selecting is distinguished by ring-like sub-material by roughing
Enter selected area after selected area's mine-feeding equipment of disk 8 and the composition of tremie pipe 10, essence is carried out in the case where magnetic induction intensity is weaker
Choosing, the magnetic field of selected area's solenoid coil 17 periodically alternately changes, the maximum magnetic iron ore monomer particle hair of magnetic most strong, proportion
Raw "-dispersion-of reuniting is reunited " and concentrate pipe 14 is gradually moved up into down as final high-grade concentrate, and magnetic is slightly weak, proportion
Less intergrowth particle is carried to the top of selected area's separation tube 9 by the ascending current in selected area, is entered through chats overfall 18
Enter middle pipe 11 as the relatively low chats of grade.By adjusting the feedwater flow in roughing area and selected area respectively, adjust respectively thick
Constituency and the size and power cycles of selected area's exciting curent, can be to the concentrate in magnetic iron ore assorting room, chats and mine tailing
Index be adjusted.
Claims (6)
1. a kind of three products column magnetic separator, including frame and outer barrel, the sorting unit being located in outer barrel, magnetic system, mine tailing overflow launder, to
Ore deposit device, waterworks and the electric control gear being connected with magnetic system, it is characterised in that：
Described sorting unit is by top roughing area sorting mechanism and the bottom essence being connected as a single entity with top roughing area sorting mechanism
Constituency sorting mechanism is constituted；Described magnetic system is solenoid coil；
Described top roughing area sorting mechanism is arranged on the multigroup roughing area helical on the outside of roughing separation tube by roughing separation tube
Pipeline circle, the tangential feed pipe in roughing area and roughing area concentrate pipe for being arranged on roughing separation tube bottom is constituted, described roughing
Area's concentrate pipe is connected with the base cone of roughing separation tube, and rough concentrate flow control valve is provided with the middle part of roughing area concentrate pipe；Institute
The end of the roughing area concentrate pipe stated is nested with de- magnetic magnetic system, and the mineral-feeding pipe of mine-feeding equipment extends middle and lower part in roughing separation tube；
The selected area's sorting mechanism in described bottom includes selected separation tube, is arranged on the multigroup selected area's spiral shell on the outside of selected separation tube
Spool coil, is arranged on the tangential feed pipe in selected area of selected separation tube bottom, is arranged on selected separation tube top, and positioned at de-
Selected area's mine-feeding equipment of magnetic magnetic system bottom, concentrate ore outlet pipe is connected with the base cone of selected separation tube, is also set in the middle part of concentrate pipe
There is flow control valve；
In described selected separation tube, middle pipe is provided with along selected separation tube is central axial, is put at the top of described middle pipe
In the bottom of selected area's mine-feeding equipment, and ring-like overfall is provided with the top of middle pipe, the ore outlet pipe of middle pipe is prolonged after inclining 45 °
The outside of selected separation tube is extended, the end of chats ore outlet pipe is provided with chats flow control valve.
2. three products column magnetic separator according to claim 1, it is characterised in that solenoid coil is 4-6 in described roughing area
Group energization solenoid composition, its magnetic induction intensity is 0-180mT.
3. three products column magnetic separator according to claim 1, it is characterised in that solenoid coil is 4-6 under described selected area
Group energization solenoid composition, its magnetic induction intensity is 0-80mT.
4. three products column magnetic separator according to claim 1, it is characterised in that described selected area's mine-feeding equipment is by ring-like point
The flat of ore is constituted with more than two points of pipes for being uniformly arranged on ring-like mine-separating disk bottom, and selected sorting is stretched into a point pipe bottom
Middle and lower part in cylinder, the top of described ring-like 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.
5. three products column magnetic separator according to claim 1, it is characterised in that described rough concentrate flow control valve, concentrate stream
Control valve and chats flow control valve are respectively electrically connected with electric control gear.
6. three products column magnetic separator according to claim 1, it is characterised in that the bottom and side of described mineral-feeding pipe bottom
It is equipped with feed port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710277720.6A CN106914337B (en) | 2017-04-25 | 2017-04-25 | Three-product magnetic separation column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710277720.6A CN106914337B (en) | 2017-04-25 | 2017-04-25 | Three-product magnetic separation column |
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| Publication Number | Publication Date |
|---|---|
| CN106914337A true CN106914337A (en) | 2017-07-04 |
| CN106914337B CN106914337B (en) | 2022-08-26 |
Family
ID=59567362
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710277720.6A Active CN106914337B (en) | 2017-04-25 | 2017-04-25 | Three-product magnetic separation column |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107913797A (en) * | 2017-11-28 | 2018-04-17 | 北矿机电科技有限责任公司 | It is a kind of to be used for ore-dressing plant and beneficiation method containing strong and weak magnetic mixed mineral |
| CN108435415A (en) * | 2018-04-20 | 2018-08-24 | 刘阳 | A kind of efficient magnetic force classification machine |
| CN109453902A (en) * | 2018-12-29 | 2019-03-12 | 江苏大丰新安德矿业有限公司 | A kind of floating magnetic separation column device and combined type bubble generator |
| WO2020186596A1 (en) * | 2019-03-15 | 2020-09-24 | 山东华特磁电科技股份有限公司 | Low-frequency alternating-current electromagnetic elutriating machine |
| CN112808455A (en) * | 2021-01-27 | 2021-05-18 | 鞍钢集团矿业设计研究院有限公司 | Permanent magnetic separator with movable shielding plate |
| CN114433349A (en) * | 2022-02-09 | 2022-05-06 | 北矿机电科技有限责任公司 | Partitioned excitation type electromagnetic classificator |
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| CN105536984A (en) * | 2016-01-26 | 2016-05-04 | 辽宁科技大学 | Magnetic separation method with both preselection tailing throwing and thick-fine separation and three-product magnetic separator |
| CN206935559U (en) * | 2017-04-25 | 2018-01-30 | 辽宁科技大学 | A kind of three product column magnetic separators |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107913797A (en) * | 2017-11-28 | 2018-04-17 | 北矿机电科技有限责任公司 | It is a kind of to be used for ore-dressing plant and beneficiation method containing strong and weak magnetic mixed mineral |
| CN108435415A (en) * | 2018-04-20 | 2018-08-24 | 刘阳 | A kind of efficient magnetic force classification machine |
| CN109453902A (en) * | 2018-12-29 | 2019-03-12 | 江苏大丰新安德矿业有限公司 | A kind of floating magnetic separation column device and combined type bubble generator |
| CN109453902B (en) * | 2018-12-29 | 2023-11-07 | 江苏大丰新安德矿业有限公司 | Floating magnetic separation column device and combined bubble generator |
| WO2020186596A1 (en) * | 2019-03-15 | 2020-09-24 | 山东华特磁电科技股份有限公司 | Low-frequency alternating-current electromagnetic elutriating machine |
| CN112808455A (en) * | 2021-01-27 | 2021-05-18 | 鞍钢集团矿业设计研究院有限公司 | Permanent magnetic separator with movable shielding plate |
| 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 |
| CN114433349A (en) * | 2022-02-09 | 2022-05-06 | 北矿机电科技有限责任公司 | Partitioned excitation type electromagnetic classificator |
| WO2023151347A1 (en) * | 2022-02-09 | 2023-08-17 | 北矿机电科技有限责任公司 | Partitioned excitation type electromagnetic concentration machine and beneficiation method thereof |
| CN114433349B (en) * | 2022-02-09 | 2024-04-05 | 北矿机电科技有限责任公司 | Partition excitation type electromagnetic separator |
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