CN106362862B - Method based on the selected magnetic mineral of all-in-one - Google Patents
Method based on the selected magnetic mineral of all-in-one Download PDFInfo
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- CN106362862B CN106362862B CN201610759528.6A CN201610759528A CN106362862B CN 106362862 B CN106362862 B CN 106362862B CN 201610759528 A CN201610759528 A CN 201610759528A CN 106362862 B CN106362862 B CN 106362862B
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- post
- roughing
- exciting coil
- magnet exciting
- magnetic mineral
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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
Abstract
The invention discloses a kind of method based on the selected magnetic mineral of all-in-one, comprise the following steps：1. by charging gear to the roughing post transfer ore pulp provided with roughing magnet exciting coil, while tangentially being fed water to roughing post by secondary water supply device；2. the ore pulp after roughing is flowed by gravity into the selected post coaxially connected with roughing post, and mine tailing is led to and roughing post is coaxially connected scans in post；3. ore pulp after featured enters and in the evaporating column of selected post coaxial communication, the evaporating column is connected with selected post by the second back taper double shell and sets concentration magnet exciting coil by gravity；4. the ore pulp after concentrated is discharged from the conical pipe of concentration column bottom, and mine tailing is discharged from the overflow device for scanning post periphery.The servo control mechanism that ore pulp after roughing is needed not move through any conveying by the present invention sequentially enters selected and concentration process steps, simple to operate, flexible, improves sorting result, shortens technological process, reduces floor space.
Description
Technical field
The invention belongs to magnetic mineral method for separating, and in particular to a kind of method based on the selected magnetic mineral of all-in-one.
Background technology
In mining, production field of metallurgy, ore-dressing plant is important production equipment.Pillar electromagnetic separator is due to its essence
Ore deposit grade height, production efficiency height, automaticity height, wide adaptation range, operation is simple and reliable, remarkable in economical benefits the advantages of,
It is widely applied in magnetic mineral sorting field.
When in use, ore feeder of the mineral to be selected through its upper side enters sorts cylinder to pillar electromagnetic separator, outside feedwater
By sort a bottom feed it is rear up, during up weak magnetic and non magnetic ore in the presence of ascending water in top quilt
Mine tailing spilling is separated into, magnetic mineral is under magnetic fields in device bottom formation concentrate.Existing pillar electromagnetic separator
The technical problem of presence is：
1st, common pillar magnetic separator typically sorts cylinder by overflow launder, one section and cone is constituted, and is supplied water using bottom.Desliming and
Lean intergrowth is removed to rising water speed and the requirement contrast of magnetic induction intensity.Desliming needs big magnetic flood, intergrowth of shaking off poverty
Need the small water of weak magnetic.In production for take into account concentrate grade and iron recovery index with magnetic and with it is waterborne can be by severely restricts.
Increase equipment uses difficulty, limits the performance of the elutriation effect of pillar magnetic separator water.Especially when to ore particle level it is excessive when sort
Efficiency is substantially reduced.
2nd, feed pressure and water quality are had higher requirements.Water consumption can not be promoted the use of greatly in drought and water-scarce area.And
More than 90% water enters tailings glass system by its upper side overflow device, increases tailings glass system burden.When water quality is poor
The grade of concentrate can be reduced.
3rd, with advances in technology, in order to meet the multifarious requirement for selecting factory to picking equipment, it is badly in need of developing a kind of section
Energy, Multifucntional preparation equipment that is efficient, being easy to field combinations configuration.
4th, existing magnetic mineral method for separating include roughing, it is selected, scan and be concentrated in interior processing step, it is but existing
Some method for separating rely on each independent screening installation, and functions of the equipments are single, and floor space is big, operating cost is high, is not easy to
Centralized operation and control.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of method based on the selected magnetic mineral of all-in-one, ore pulp roughing
The servo control mechanism for needing not move through any conveying afterwards sequentially enters selected and concentration process steps, simple to operate, flexible, improves choosing
Other effect, shortens technological process, reduces floor space.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of method based on the selected magnetic mineral of all-in-one, including it is the scanning of magnetic mineral, roughing, selected and be concentrated in
Interior processing step, this method comprises the following steps：
1. by charging gear to the roughing post transfer ore pulp provided with roughing magnet exciting coil, while by secondary water supply device
Tangentially fed water to roughing post；
2. the first concentrate after roughing is flowed by gravity into the selected post coaxially connected with roughing post, mine tailing lead to slightly
Select post is coaxially connected to scan in post, the selected post sets selected magnet exciting coil and waterworks, by back taper cylinder
Connected with roughing post；
3. concentrate after featured by gravity enter with the evaporating column of selected post coaxial communication, the evaporating column by
Back taper cylinder is connected with selected post and sets concentration magnet exciting coil；
4. the concentrate after concentrated is discharged from the conical pipe of concentration column bottom, and mine tailing is from the overflow device for scanning post periphery
Discharge.
It is preferred that, the roughing post, selected post and evaporating column are made up of coaxial inside and outside cylinder respectively, and internal diameter is successively
Successively decrease, form pyramidal structure；The roughing magnet exciting coil, selected magnet exciting coil and concentration magnet exciting coil are arranged inside and outside
Between cylinder.
Step 1. described in secondary water supply device be arranged between the inside and outside cylinder of roughing post bottom or be arranged on roughing post
On back taper cylinder between selected post.
Step 2. in a waterworks be arranged on the middle and lower part of selected post or be arranged between selected post and evaporating column
On back taper cylinder, tangential feedwater.
The roughing post, selected post and/or evaporating column set more than two sections, each section respectively between according to roughing, selected, dense
Contracting function is concatenated by back taper cylinder, and each section of radius for sorting post that connection is combined from top to bottom successively decreases, forms tower successively
Structure；Every section sorts and sets waterworks respectively between post.
In above-mentioned technical proposal, will scan, roughing, it is selected and concentration processing step completed in all-in-one, continuous
In processing procedure, the ore pulp by roughing has been directly entered selected and concentration process steps, treatment effeciency under gravity
Height, eliminates the servo conveying between each processing step, shortens technological process；As scanning, roughing, selected and concentration choosing
Other column internal diameter successively decreases successively, forms pyramidal structure, can greatly improve bottom and rise water speed, effect, stabilizing equipment are eluriated in enhancing
Operation, optimize technique.
The beneficial effect produced using above-mentioned technical proposal is：（1）The present invention can be as needed by traditional dresser
Roughing in skill, it is selected, scan, concentrate concentration is integrated in one, improve sorting result, shorten technological process, reduce and account for
Ground area；（2）Post autonomous working is respectively sorted, is not interfere with each other, is sorted in difference and different magnetic fields, water speed and concentration ginseng is set in post
Number realize it is different sort purpose, solving common pillar magnetic separator can not be while meets desliming and removing lean intergrowth to rising
The contradiction of water speed requirement different with magnetic induction intensity, it can be ensured that concentrate grade and iron recovery all reach ideal indicator；（3）Entering
The step feedwater of traditional magnetic separator is changed to two steps in one step improved plan（Or multistep）Feedwater, once feedwater uses a small amount of net
Water is conducive to obtaining high-grade concentrate, and secondary and other feedwater can use recirculated water relatively inferior, ore pulp is carried out
Roughing, scan, without influenceing concentrate quality；It is such to set, the consumption of water purification is greatly reduced, pillar magnetic separator is reduced
Requirement to water quality, pillar magnetic separator overflow tailing water passes through simple process, you can recycle, without entering at total mine tailing
Reason system, has saved the cost of tailings glass, can effectively environmental protection, reduction resource consumption, save production cost, improve warp
Ji benefit.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Wherein, 1, dispenser；2nd, post is scanned；3rd, tailings concentration transmitter；4th, roughing post；5th, roughing magnet exciting coil；6th, in
Portion's consistency transmitter；7th, secondary water supply device；8th, magnetic balanced post；9th, a waterworks；10th, evaporating column；11st, concentrate is dense
Spend transmitter；12nd, material-homogenating device；13rd, selected magnet exciting coil；14th, selected post；15th, magnet exciting coil is concentrated；16th, conical pipe；17th, it is smart
Ore deposit regulating valve；18th, overflow device；19th, a section back taper cylinder is scanned；20th, the first back taper cylinder；21st, the second back taper cylinder, 22, feed
Pipe.
Embodiment
Based on the method for the selected magnetic mineral of all-in-one, including it is the scanning of magnetic mineral, roughing, selected and in being concentrated in
Processing step, this method comprises the following steps：
1. by charging gear to the transfer ore pulp of roughing post 4 provided with roughing magnet exciting coil 5, while by secondary water supply
Device 7 tangentially feeds water to roughing post 4.
Ore pulp enters the roughing post 4 provided with roughing magnet exciting coil 5 by dispenser 1, is tangentially fed water in secondary water supply device 7
Under effect, weak magnetic mineral, which is upwardly into, scans section, eventually enters into overflow device 18 as mine tailing.Useful magnetic mineral is in magnetic field
Further sorted with selected post 14 is moved downwardly under Action of Gravity Field.
The charging gear include dispenser 1 and be connected with dispenser 1, stretch on roughing post 4 through scanning post 2
The feed pipe 22 in portion；The feed pipe 22 and roughing post 4 are coaxial, and bottom end closure, bottom are provided with strip discharging opening and be set with
Material-homogenating device 12, the material-homogenating device 12 is the cylinder of a lower end closed, and the upper and lower part of cylindrical wall is provided with equally distributed strip
Interlaced arrangement above and below discharging opening on shape refining mouthful and the feed pipe 22.Ore pulp equably flows out from charging gear, is easy to
The sorting of magnetic mineral.
The roughing post 4 is made up of coaxial inside and outside cylinder, top by scan section back taper cylinder 19 with overflow device
18 overflow launder 2 is connected, and lower section is connected by the first back taper cylinder 20 with selected post.It is up big and down small to scan section back taper cylinder 19
Cone cylinder structure, larger diameter end is connected with overflow launder 2, and smaller diameter end is connected with roughing post 4.First back taper cylinder 20 be by it is interior,
Outer cylinder body is constituted, and the secondary water supply device 7 is arranged between the inside and outside cylinder of the first back taper double shell 20 or be arranged on roughing
Between the inside and outside cylinder of the bottom of post 4, during the continuous processing of ore pulp, the water inlet end and tailings glass of secondary water supply device 7
The water end (W.E.) that recycles of system is connected.By charging gear to the transfer ore pulp of roughing post 4 provided with roughing magnet exciting coil 5, borrow simultaneously
Secondary water supply device 7 is helped tangentially to be fed water to roughing post 4.
2. the ore pulp after roughing is flowed by gravity into the selected post 14 coaxially connected with roughing post 4, mine tailing lead to
Roughing post 4 is coaxially connected to be scanned in post 2, the selected post 14 set selected magnet exciting coil 13 and waterworks 9, by
First back taper cylinder 20 is connected with roughing post 4.
Ore pulp after roughing enters after selected post 14, and a small amount of weak magnetic mineral and lean intergrowth being mixed into further are washed in a pan
Wash to form mine tailing, under the ascending water effect that a waterworks 9 are fed, enter through roughing post 4 and coaxially connected overflow launder 2
Overflow device 18, magnetic mineral is downwardly into concentration cone 10.
Selected post 14 is made up of coaxial inside and outside cylinder, and a waterworks 9 are arranged on the middle and lower part of selected post 14,
Tangential feedwater, using clean water.
3. ore pulp after featured by gravity enter with the evaporating column 10 of the selected coaxial communication of post 14, by downward arteries and veins
Moving field power and Action of Gravity Field, water and light impurities are separated out, and concentrate concentration and grade are further improved.The evaporating column 10 by
Second back taper cylinder 21 is connected with selected post 14 and sets concentration magnet exciting coil 15.
The major diameter of second back taper cylinder 21 terminates the lower end of selected post 14, and minor diameter terminates the upper end of evaporating column 10.It is dense
Contracting post 10 is made up of inside and outside cylinder, and concentration magnet exciting coil 15 is set between inside and outside cylinder.Second back taper cylinder 21 and the first back taper
The structure of cylinder 20 is identical.
4. the ore pulp after concentrated is discharged from the conical pipe 16 of the bottom of evaporating column 10, and mine tailing is from scanning overflowing for the periphery of post 2
Flow in device 18 and discharge.
The lower end of conical pipe 16 exports for concentrate, is set in concentrate outlet and sets concentrate concentration to become on concentrate regulating valve, cone wall
Send device.
In summary, the roughing post 4, selected post 14 and evaporating column 10 are made up of coaxial inside and outside cylinder respectively, and interior
Footpath successively decreases, forms pyramidal structure successively；The roughing magnet exciting coil 5, selected magnet exciting coil 13 and concentration magnet exciting coil 15 are equal
It is arranged between inside and outside cylinder.
In order to reach optimal sorting result, the height ratio of the roughing post 4, selected post 14 and evaporating column 10 is 1：(1-
1.8)：(0.2-0.5).
Described scan is respectively equipped with tailings concentration transmitter 3, middle part consistency transmitter on post 2, roughing post 4 and conical pipe 16
6 and concentrate consistency transmitter 11, each consistency transmitter is connected with controller respectively.In the process of running, concentrate consistency transmitter
11st, middle part consistency transmitter 6, tailings concentration transmitter 3 are at any time sent to the concentration signal that can reflect equipment working condition
Controller, controller is by calculating, the intensity in each section of magnetic field of control, pulp density, and the quantity of output etc. is operated in equipment
Optimum state.
In the present embodiment, roughing post/selected column internal diameter is 2000/1800 millimeter.Roughing post/selected post/concentration pillar height
Degree is than being 3600/5000/2500 millimeter.For the micron magnetites of fineness P80 53, treating capacity 50-60 ton hours, output
200 to 260 ton hours.This structure be adapted to manufacture roughing cylinder internal diameter be 1000 to 3000 millimeters, treating capacity 30 to 100 tons/
The tower elutriation magnetic separator of hour.Wherein：
The magnetic induction intensity of roughing magnet exciting coil 5 is in 500-1000Gs.
Step 2. in selected magnet exciting coil 13 magnetic induction control in 500Gs or so；
3. middle concentration magnet exciting coil 15 applies pulsed magnetic field to step, and magnetic induction intensity is pulsed between 0-1000Gs.
In other embodiments, the roughing post 4, selected post 14 and/or evaporating column 10 set more than two sections, each section respectively
Between connected by back taper cylinder, each section of radius for sorting post that connection is combined from top to bottom successively decrease, form the knot of falling tower successively
Structure；It is respectively provided with every section of selected post 14 on a waterworks, every section of roughing post 4 and is equipped with secondary water supply device.
In other embodiments, the evaporating column can also be cone structure.
In summary, ore pulp is from charging gear enters roughing post, in the presence of magnetic force, buoyancy and gravity, magnetic ore deposit
Slurry aggregation downwards, mine tailing set multistage to sort post to post aggregation is scanned, and make ore pulp by one roughing or pass through secondary roughing
Afterwards, into selected post, after primary cleaning or recleaning, into enriching section, the concentrate of high-purity is filtered out.The present invention can
To be combined as needed, simple in construction, combination is convenient and flexible, it is adaptable to industrialized production.
Claims (9)
1. a kind of method based on the selected magnetic mineral of all-in-one, including it is the scanning of magnetic mineral, roughing, selected and in being concentrated in
Processing step, it is characterised in that this method comprises the following steps：
1. by charging gear to provided with roughing magnet exciting coil（5）Roughing post（4）Transfer ore pulp, while being filled by secondary water supply
Put（7）To roughing post（4）Tangential feedwater；
2. the first concentrate after roughing is flowed by gravity into and roughing post（4）Coaxially connected selected post（14）In, mine tailing is led to
With roughing post（4）Coaxially connected scans post（2）In, the selected post（14）Selected magnet exciting coil is set（13）Once feed water
Device（9）, by back taper cylinder and roughing post（4）Connection；
3. the concentrate after featured enters and selected post by gravity（14）The evaporating column of coaxial communication（10）In, the evaporating column
（10）By back taper cylinder and selected post（14）Connect and concentration magnet exciting coil is set（15）；
4. concentrate after concentrated is from evaporating column（10）The conical pipe of bottom（16）Middle discharge, mine tailing is from scanning post（2）Periphery
Overflow device（18）Middle discharge.
2. the method according to claim 1 based on the selected magnetic mineral of all-in-one, it is characterised in that the roughing post
（4）, selected post（14）And evaporating column（10）It is made up of respectively coaxial inside and outside cylinder, and internal diameter successively decreases, forms tower successively
Structure；The roughing magnet exciting coil（5）, selected magnet exciting coil（13）With concentration magnet exciting coil（15）It is arranged inside and outside cylinder
Between.
3. the method according to claim 1 or 2 based on the selected magnetic mineral of all-in-one, it is characterised in that step 1. middle institute
State secondary water supply device（7）It is arranged on roughing post（4）Between the inside and outside cylinder of bottom or it is arranged on roughing post（4）With selected post
（14）Between back taper cylinder on.
4. the method according to claim 1 or 2 based on the selected magnetic mineral of all-in-one, it is characterised in that step 2. in one
Secondary waterworks（9）It is arranged on selected post（14）Middle and lower part or be arranged on selected post（14）With evaporating column（10）Between back taper
On cylinder, tangential feedwater.
5. the method according to claim 1 based on the selected magnetic mineral of all-in-one, it is characterised in that step 1. in, roughing
Magnet exciting coil（5）Magnetic induction intensity be 500-1000Gs；
Step 2. in selected magnet exciting coil（13）Magnetic induction intensity be 1-500Gs；
Step 3. middle concentration magnet exciting coil（15）Apply pulsed magnetic field, magnetic induction intensity is 1-500Gs.
6. the method according to claim 1 based on the selected magnetic mineral of all-in-one, it is characterised in that the roughing post（4）
More than two sections, and/or selected post are set（14）More than two sections, and/or evaporating column are set（10）Set between more than two sections, each section
Concatenated according to roughing, selected, concentrating function by back taper cylinder, each section that connection is combined from top to bottom sorts the radius of post successively
Successively decrease, form pyramidal structure；Every section sorts and sets waterworks respectively between post.
7. the method according to claim 1 based on the selected magnetic mineral of all-in-one, it is characterised in that the roughing post
（4）, selected post（14）And evaporating column（10）Height ratio be 1：(1-1 .5)：(0 .2-0 .5).
8. the method according to claim 1 based on the selected magnetic mineral of all-in-one, it is characterised in that described to scan post
（2）, roughing post（4）And conical pipe（16）It is upper to be correspondingly provided with tailings concentration transmitter respectively（3）, middle part consistency transmitter（6）With
Concentrate consistency transmitter（11）, each consistency transmitter is connected with controller respectively.
9. the method according to claim 1 based on the selected magnetic mineral of all-in-one, it is characterised in that the evaporating column
（10）Using cone structure, and concentration magnet exciting coil is set（15）.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016200731410 | 2016-01-26 | ||
| CN201620073141 | 2016-01-26 |
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| Publication Number | Publication Date |
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| CN106362862A CN106362862A (en) | 2017-02-01 |
| CN106362862B true CN106362862B (en) | 2017-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610759528.6A Active CN106362862B (en) | 2016-01-26 | 2016-08-30 | Method based on the selected magnetic mineral of all-in-one |
| CN201620980971.1U Active CN206121914U (en) | 2016-01-26 | 2016-08-30 | Full -automatic tower elutriation magnet separator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620980971.1U Active CN206121914U (en) | 2016-01-26 | 2016-08-30 | Full -automatic tower elutriation magnet separator |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107649287B (en) * | 2017-11-03 | 2024-04-02 | 沈阳隆基电磁科技股份有限公司 | Magnetic micro-fluidic concentrator and complete mineral processing equipment thereof |
| 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 |
| CN111632753B (en) * | 2019-12-04 | 2022-03-11 | 石家庄金垦科技有限公司 | Elutriation magnetic separator |
| 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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| CN2501581Y (en) * | 2001-10-17 | 2002-07-24 | 鞍山钢铁学院 | Magnetic separating circular column |
| CN2724842Y (en) * | 2004-08-17 | 2005-09-14 | 刘秉裕 | Magnetic dressing column |
| CN101612607A (en) * | 2009-07-03 | 2009-12-30 | 刘阳 | A kind of variable diameter magnetic separation column |
| CN201702018U (en) * | 2010-05-17 | 2011-01-12 | 黄殿鑫 | Grading-sorting combined type magnetic separation column |
| AU2015100935A4 (en) * | 2015-07-15 | 2015-08-27 | Austech Supplies Pty Ltd | Water-saving electromagnetic panning mineral separating system |
| CN104888959A (en) * | 2015-04-30 | 2015-09-09 | 中国地质科学院矿产综合利用研究所 | Quality-improving impurity-reducing beneficiation method for ferromagnetic minerals |
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- 2016-08-30 CN CN201610759528.6A patent/CN106362862B/en active Active
- 2016-08-30 CN CN201620980971.1U patent/CN206121914U/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2501581Y (en) * | 2001-10-17 | 2002-07-24 | 鞍山钢铁学院 | Magnetic separating circular column |
| CN2724842Y (en) * | 2004-08-17 | 2005-09-14 | 刘秉裕 | Magnetic dressing column |
| CN101612607A (en) * | 2009-07-03 | 2009-12-30 | 刘阳 | A kind of variable diameter magnetic separation column |
| CN201702018U (en) * | 2010-05-17 | 2011-01-12 | 黄殿鑫 | Grading-sorting combined type magnetic separation column |
| CN104888959A (en) * | 2015-04-30 | 2015-09-09 | 中国地质科学院矿产综合利用研究所 | Quality-improving impurity-reducing beneficiation method for ferromagnetic minerals |
| AU2015100935A4 (en) * | 2015-07-15 | 2015-08-27 | Austech Supplies Pty Ltd | Water-saving electromagnetic panning mineral separating system |
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| Publication number | Publication date |
|---|---|
| CN206121914U (en) | 2017-04-26 |
| CN106362862A (en) | 2017-02-01 |
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