CN110124856A - A kind of ore dressing energy-saving high gradient magnetic separator of magnetic fluid formula - Google Patents
A kind of ore dressing energy-saving high gradient magnetic separator of magnetic fluid formula Download PDFInfo
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- CN110124856A CN110124856A CN201910553837.1A CN201910553837A CN110124856A CN 110124856 A CN110124856 A CN 110124856A CN 201910553837 A CN201910553837 A CN 201910553837A CN 110124856 A CN110124856 A CN 110124856A
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- magnetic
- magnetic fluid
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- pipe
- tailing
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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
- B03C1/002—High gradient magnetic separation
-
- 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
- B03C1/025—High gradient magnetic separators
- B03C1/031—Component parts; Auxiliary operations
-
- 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
- B03C1/025—High gradient magnetic separators
- B03C1/031—Component parts; Auxiliary operations
- B03C1/033—Component parts; Auxiliary operations characterised by the magnetic circuit
- B03C1/0332—Component parts; Auxiliary operations characterised by the magnetic circuit using permanent magnets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
Abstract
A kind of ore dressing energy-saving high gradient magnetic separator of magnetic fluid formula, comprising: rack, magnetic separation portion, magnetic system and pipe-line system and collection portion, rack include lower base and upper support frame；Magnetic separation portion is installed in lower base, and magnetic system is fixedly mounted on the outside in magnetic separation portion by upper support frame；Magnetic separation portion is the cavity body structure of inner hollow, has magnetic separation cavity wall, magnetic system includes magnetic fluid system and helical pipe, and magnetic fluid system includes magnetic fluid pipeline, circulating pump, eduction valve, magnetic fluid reservoir；Helical pipe, which is fitted in outside magnetic separation portion, rises arrangement in closing twist；Magnetic fluid pipeline is connected to helical pipe, and circulating pump, eduction valve are mounted on magnetic fluid pipeline, magnetic fluid reservoir and magnetic fluid pipeline connection.It due to using magnetic fluid structure, realizes and is applied to permanent-magnet material to carry out magnetic separation in high gradient magnetic separator, solve the problems, such as that high gradient magnetic separator energy consumption in the prior art is big, cooling system structure complexity, reduce manufacture, use and maintenance cost.
Description
Technical field
The present invention relates to a kind of high gradient magnetic separators, more particularly, to a kind of for carrying out the low of magnetic separation from fluid ore pulp
The energy-saving high gradient magnetic separator of power consumption.
Background technique
It carries out magnetic separation to minerals using magnetic field in the history that mankind's mineral extract to have been one hundred years of history, just
The magnetic separator of phase is not widely used due to the restriction of the basic science such as theoretical and material development.It was opened from 1855
Begin after generating magnetic field using electromagnet, the theory and practice of magnetic separator is just gradually improved, and has emerged in industry various types of
Industrial magnetic plant, magnetic method are just widely used in terms of the ore dressing of iron ore.After nineteen sixties,
With the continuous development of material science, the magnetic field strength of permanent-magnet material is more and more stronger, and some magnetic separators gradually start using permanent magnetism
Body carries out magnetic separation, especially weak magnetic separator gradually permanent magnetism.
High gradient magnetic separator is the magnetic separation technique that later 1960s early seventies grow up, main
Feature is exactly: the magnetic medium of magnetic conduction being filled in the inner cavity of spiral magnetic system as separating medium.Since magnetic separation medium is in magnetic
Change can generate very high magnetic field gradient and intensity when reaching saturation state, and have very big collecting area, thus adaptation range
Greatly, especially for the collecting to fine particle.What high gradient magnetic separator in the prior art mostly used is that electromagnetic coil is used
In generating magnetic field, its advantage is that magnetic field strength that is easy to control, generating is big, 1.5T or more can achieve, and can be by adjusting
Size of current adjusts magnetic field strength, and disadvantage needs very big it is also obvious that due to using electromagnetic coil when generating magnetic field
Electric current, power consumption is huge, is famous electricity-eating tiger, due to all needing in the not every magnetic dressing process of mineral magnetic separation domain variability
The magnetic field of 1.5T or more is used to carry out magnetic separation, it is therefore, high using electromagnetic wire ring in the occasion of many roughings or low intensity magnetic separation
Gradient magnetic separator often " is wasted one's talent on a petty job ".Moreover, while coil is powered and generates magnetic field due to eddy current effect etc. also
Huge heat can be generated, it is necessary to which controlling calorific value machine could operate normally, therefore using the high gradient of electromagnetic coil magnetic separation
Magnetic separator is required to be equipped with the oil cooling or water cooling circulatory system of a set of complexity, and which further improves the complexity of high gradient magnetic separator
Degree and manufacturing cost.
Summary of the invention
To solve the above-mentioned problems, permanent-magnet material is applied in high gradient magnetic separator by the present invention, has devised one kind and adopts
The high gradient magnetic separator in magnetic field is generated with permanent magnetism magnetic fluid, its technical solution is as follows:
A kind of ore dressing energy-saving high gradient magnetic separator of magnetic fluid formula, comprising: rack, magnetic separation portion, magnetic system and pipe-line system
And collection portion, the rack include lower base and upper support frame；The magnetic separation portion is installed in the lower base, described
Magnetic system is fixedly mounted on the outside in the magnetic separation portion by the upper support frame；The magnetic separation portion is the cavity knot of inner hollow
Structure has magnetic separation cavity wall, it is characterised in that: the magnetic system includes magnetic fluid system.
The magnetic separation cavity wall, is made of magnetic conduction or paramagnetic material, the magnetic separation medium be interval filling tooth plate medium,
The pole medium for being spaced filling, the spherical medium closely filled, the mesh medium closely filled or the steel wool closely filled are situated between
Matter.
The magnetic system further includes helical pipe, and the magnetic fluid system includes magnetic fluid pipeline, circulating pump, eduction valve, magnetic
Fluid reservoir；The helical pipe, which is fitted in outside the magnetic separation portion, rises arrangement in closing twist；The magnetic fluid pipeline
It is connected to the helical pipe, the circulating pump, the eduction valve are mounted on the magnetic fluid pipeline, the magnetic fluid storage
Storage and magnetic fluid pipeline connection.
The magnetic fluid pipeline includes that magnetic fluid outlet, magnetic fluid inlet tube and magnetic fluid discharge pipe；The magnetic fluid
Outlet one end connects the fluid outlet on the helical pipe top, and the other end connects the magnetic fluid reservoir；The magnetic current
Body inlet tube one end connects the fluid inlet of the helical pipe bottom end, and the other end connects the magnetic fluid reservoir, the magnetic
The circulating pump is also equipped on fluid inlet tube；The magnetic fluid discharges the fluid that pipe one end connects the helical pipe bottom end
Entrance, the other end connect the magnetic fluid reservoir, and the magnetic fluid, which discharges, is equipped with the eduction valve on pipe.
The fluid that magnetic fluid in the magnetic fluid system is made of magnetic-particle, base fluid and activating agent, in fluid
Magnetic-particle be made of materials such as rubidium iron boron, SmCo, permanent-magnet ferrites, to be rodlike or spherical, partial size is less than 1mm；
Base fluid is the organic solvents such as water or oil, prevents from reuniting as activating agent using oleic acid, ethylene glycol etc..
Magnetic fluid reservoir bottom is provided with compact electromagnetic coil, is powered in aerial drainage to the compact electromagnetic coil
For assisting magnetic fluid to flow back.
The magnetic system further includes polarizing coil, and the polarizing coil, which is arranged, to be mounted on the magnetic fluid inlet tube, is located at
Between the fluid inlet and the circulating pump of the helical pipe bottom end, it is passed through direct current during magnetic separation, generates single
The magnetic field in direction, for improving the consistency for flowing into the magnetic fluid internal magnetization particle polar orientation arrangement of the helical pipe.
The pipe-line system is by feed pipe, inlet valve, water inlet pipe, inlet valve, concentrate discharge nozzle, concentrate outlet valve, tailing
Discharge nozzle and tailing outlet valve composition；The magnetic separation chamber top in the magnetic separation portion is connected to the feed pipe and the water inlet pipe,
The inlet valve is installed on the feed pipe for controlling charging, and the inlet valve is installed on the water inlet pipe for controlling
Water inlet；The magnetic separation chamber lower part in the magnetic separation portion is connected to the concentrate discharge nozzle and the tailing discharge nozzle, the concentrate discharging
Valve is installed on the concentrate discharge nozzle for controlling concentrate discharging, and the tailing outlet valve is installed on the tailing discharge nozzle
For controlling tailing discharging；The collection portion includes tailing collecting tank and concentrate collecting tank, and the concentrate collecting tank is for collecting
The concentrate of the concentrate discharge nozzle discharge, the tailing collecting tank are used to collect the tailing of the tailing discharge nozzle discharge.
A kind of magnetic selection method for low consumed power energy saving high gradient magnetic separator, it is characterised in that including to mine, rinsing and
The step of the step of rinsing three phases, these three stages is a duty cycle, after the work for completing a cycle
The ore dressing of next cycle from the beginning, whole process can be carried out by control system by program.
A kind of magnetic selection method for low consumed power energy saving high gradient magnetic separator, it is characterised in that including to mine, rinsing and
The step of rinsing three phases；
It is described to give mine stage etch are as follows: to open circulating pump, polarizing coil is powered, so that storage in magnetic fluid reservoir in magnetic system
The magnetic fluid deposited enters in helical pipe after polarization arrangement along magnetic fluid inlet tube, and in magnetic fluid reservoir, magnetic fluid
One-way circulation flowing is formed in inlet tube, helical pipe and magnetic fluid outlet and flow velocity and the stable magnetic flow of polar orientation
Body, magnetic fluid magnetize magnetic separation medium；The inlet valve on feed pipe is opened, the tailing outlet valve on tailing discharge nozzle is opened,
The concentrate outlet valve on inlet valve and concentrate discharge nozzle on water inlet pipe remains turned-off；Ore pulp after magnetic separation is discharged into tailing collection
In slot；
The rinse step are as follows: after a period of time has passed, the magnetic-particle absorption on magnetic separation medium is closed close to saturation
Inlet valve opens the inlet valve on water inlet pipe, and the tailing outlet valve on tailing discharge nozzle is kept open, and clear water is added will be attached
Non-magnetic particle on magnetic separation medium rinse away, be discharged in tailing collecting tank；
The rinsing step are as follows: close the tailing outlet valve of tailing discharge nozzle, close circulating pump, polarizing coil power-off is beaten
It opens eduction valve magnetic fluid is made to discharge pipeline by magnetic fluid and spew out into magnetic fluid reservoir, discharge speed, magnetic to improve fluid
The magnetic field in the magnetic separation chamber in portion is selected to disappear, the inlet valve being again turned on water inlet pipe is passed through high pressure clear water and carries out to magnetic separation medium
Cleaning, the magnetic-particle on magnetic separation medium is rinsed, and opens the concentrate outlet valve on concentrate discharge nozzle, magnetic-particle is by essence
Mine outlet valve is discharged in concentrate collecting tank.
What it reached, which has the beneficial effect that, can replace solenoid type high gradient magnetic separator in the prior art, be applied to
In the selected beneficiation flowsheet of the strong magnetic of most of roughing or low intensity magnetic separation or part；Eliminate electromagnetic coil and its control system
System solves solenoid type high gradient magnetic separator in the prior art and consumes energy big technical problem；It eliminates in the prior art
Complicated cooling system in solenoid type high gradient magnetic separator, simplifies the labyrinth of magnetic separator, to reduce
Manufacture, use and maintenance cost.
Detailed description of the invention
Fig. 1 is low consumed power energy saving high gradient magnetic separator primary structure figure；
Fig. 2 is helical pipe sectional view when low consumed power energy saving high gradient magnetic separator loads magnetic field；
Magnetic separation portion sectional view and helical pipe and magnetic when Fig. 3 is low consumed power energy saving high gradient magnetic separator load magnetic field
Select cavity wall partial enlarged view；
Fig. 4 is catch tray principal section figure when low consumed power energy saving high gradient magnetic separator eliminates magnetic field；
Catch tray top view when Fig. 5 (a) is load magnetic field, Fig. 5 (b) are catch tray top view when eliminating magnetic field；
Fig. 6 is permanent-magnet shape and connected mode schematic diagram；
Fig. 7 is the low consumed power energy saving high gradient magnetic separator primary structure figure using magnetic fluid；
Fig. 8 is to use double-stranded low consumed power energy saving high gradient magnetic separator primary structure figure；
1, rack；1-1, lower base；1-2, upper support frame；
2, magnetic separation portion；2-1, magnetic separation cavity wall；2-2, magnetic separation medium；
3, magnetic system；3-1, helical pipe；3-2, catch tray；3-2-1, collecting tank；3-3, traction rope；3-4, lifting device；
3-5, permanent-magnet；3-6, magnetic fluid pipeline；3-6-1, magnetic fluid outlet；3-6-2, magnetic fluid inlet tube；3-6-3, magnetic current
Body discharges pipe；3-7, circulating pump；3-8, eduction valve；3-9, magnetic fluid reservoir；3-10, polarizing coil；
4, feed pipe；4-1, inlet valve；
5, water inlet pipe；5-1, inlet valve；
6, concentrate discharge nozzle；6-1, concentrate outlet valve；
7, tailing discharge nozzle；7-1, tailing outlet valve；
8, tailing collecting tank；9, concentrate collecting tank；
Specific embodiment
Embodiment one
Referring to attached drawing 1, a kind of ore dressing low consumed power energy saving high gradient magnetic separator, including rack 1, magnetic separation portion 2, magnetic system 3
With pipe-line system and collection portion；Rack 1 includes lower base 1-1 and upper support frame 1-2.
Magnetic separation portion 2 is installed on lower base 1-1, and magnetic system 3 is fixedly mounted on the outer of magnetic separation portion 2 by upper support frame 1-2
Portion；Magnetic separation portion 2 is the cavity body structure of inner hollow, has magnetic separation cavity wall 2-1, magnetic conduction or paramagnetic material is used to be made, such as
Magnetic stainless steel；Magnetic separation medium 2-2 is provided in the magnetic separation chamber in magnetic separation portion 2, magnetic separation medium 2-2 is that the tooth plate of interval filling is situated between
Pole medium, the spherical medium closely filled, the mesh medium closely filled or the steel wool closely filled that matter, interval fill
Medium.
Referring to attached drawing 1-3, magnetic system 3 includes helical pipe 3-1, catch tray 3-2, traction rope 3-3, lifting device 3-4 and forever
Magnetic magnet 3-5；Helical pipe 3-1, which is fitted in outside magnetic separation portion 2, rises arrangement in closing twist, and helix angle is set as 10 ° -60 °,
To facilitate permanent-magnet 3-5 to be freely slipped in catch tray 3-2 by gravity；Helical pipe 3-1 inner tight sequence is arranged
Show several permanent-magnets 3-5, the cross section of helical pipe 3-1 is the opening circular section of C font, and opening direction is towards magnetic separation
Portion 2 is in close contact the permanent-magnet 3-5 in helical pipe 3-1 directly with the outer wall in magnetic separation portion 2；Helical pipe 3-1
Innermost layer is sliding layer, and sliding layer is made of macromolecule self-lubricating material, such as the materials such as polytetrafluoroethylene (PTFE) or polyformaldehyde, or
Person uses film lubrication, either uses ball or roller structure.
Referring to attached drawing 3,4,6, permanent-magnet 3-5 is spherical, cylindrical or capsule shape, and each permanent-magnet 3-5 is end to end
It is attracted each other in the form of N-S or S-N, the permanent-magnet 3-5 and traction rope 3-3 of forefront link together, each spiral
Permanent-magnet 3-5 in pipeline 3-1 passes through the outer wall contact in the opening that its cross section is C font and magnetic separation portion 2, permanent-magnet
3-5 is made of the materials such as rubidium iron boron, SmCo, permanent-magnet ferrite, by replace different material and/or different number and/or
Different volumes and/or permanent magnet of different shapes are to obtain the magnetic field of varying strength.
Lifting device 3-4 is mounted on the top of upper support frame 1-2, for pulling or discharging traction rope 3-3, to realize
It is promoted or release permanent-magnet 3-5, the opening that traction rope 3-3 passes through at the top of helical pipe 3-1 protrudes into the interior of helical pipe 3-1
Portion is connected with the permanent-magnet 3-5 of forefront, and lifting device 3-4 is preferably electric capstan, it can also be under special circumstances
Hand winch.
Referring to attached drawing 4-5, catch tray 3-2, for collecting the permanent magnetism for passing through gravity and being freely slipped in catch tray 3-2
Magnet 3-5 is internally provided with collecting tank 3-2-1, and collecting tank 3-2-1 is arranged in snail, for guiding permanent-magnet 3-5
It is arranged in planar spiral, facilitate the collection of permanent-magnet 3-5 and is promoted again.
Referring to attached drawing 1-4, pipe-line system is by feed pipe 4, inlet valve 4-1, water inlet pipe 5, inlet valve 5-1, concentrate discharge nozzle
6, concentrate outlet valve 6-1, tailing discharge nozzle 7 and tailing outlet valve 7-1 composition；The magnetic separation chamber top in magnetic separation portion 2 and feed pipe 4 with
And water inlet pipe 5 is connected to, inlet valve 4-1 is installed on feed pipe 4 for controlling charging, and inlet valve 5-1 is installed on water inlet pipe 5 and uses
It intakes in control；The magnetic separation chamber lower part in magnetic separation portion 2 is connected to concentrate discharge nozzle 6 and tailing discharge nozzle 7, concentrate outlet valve 6-1 peace
Loaded on, for controlling concentrate discharging, tailing outlet valve 7-1 is installed on tailing discharge nozzle 7 for controlling tail on concentrate discharge nozzle 6
Mine discharging.
Collection portion includes tailing collecting tank 8 and concentrate collecting tank 9, and concentrate collecting tank 9 is for collecting the discharge of concentrate discharge nozzle 6
Concentrate, tailing collecting tank 8 be used for collect tailing discharge nozzle 7 discharge tailing
The working principle and control method of the device are as follows:
When starting magnetic separation, drive traction rope 3-3 by several arrangement bunchiness in magnetic system 3 by lifting device 3-4 first
Permanent-magnet 3-5 promoted along helical pipe 3-1 to the top of helical pipe 3-1, magnetic separation chamber of the magnetic system 3 in magnetic separation portion 2 at this time
Middle formation magnetic field, and the magnetic separation medium 2-2 in 2 magnetic separation chamber of magnetic separation portion is magnetized, so that its magnetization is reached saturation state, forms high ladder
Spend magnetic field.
Then the inlet valve 4-1 on feed pipe 4 is opened, the tailing outlet valve 7-1 on tailing discharge nozzle 7, water inlet pipe 5 are opened
On inlet valve 5-1 and concentrate discharge nozzle 6 on concentrate outlet valve 6-1 remain turned-off, to the ore pulp of magnetic separation, (concentration is at this time
It 20%-50%) is flowed at a slow speed by feed pipe 4 in the magnetic separation chamber in magnetic separation portion 2, the magnetic-particle in ore pulp is attracted to by magnetic
On the magnetic separation medium 2-2 (such as steel wool) of change, remaining ore pulp is discharged to tail by the tailing outlet valve 7-1 of tailing discharge nozzle 7
In mine collecting tank 8, this is to the mine stage；
After a period of time has passed, the magnetic-particle absorption on magnetic separation medium 2-2 closes inlet valve 4-1 close to saturation, into
Expects pipe 4 stops feed, opens the inlet valve 5-1 on water inlet pipe 5, and addition clear water will be attached to non magnetic on magnetic separation medium 2-2
Particle rinses away, and the slurry flushed out is equally discharged in tailing collecting tank 8 from the tailing outlet valve 7-1 of tailing discharge nozzle 7,
This is rinse stage；
Finally, closing the tailing outlet valve 7-1 of tailing discharge nozzle 7, traction rope 3-3, magnetic system are discharged by lifting device 3-4
The permanent-magnet 3-5 that bunchiness is arranged in 2 slides downwards along helical pipe 3-1 into catch tray 3-2, the magnetic separation in the portion of magnetic separation at this time 2
Magnetic field in chamber disappears, and gradually demagnetization loses magnetism magnetic separation medium 2-2, and the inlet valve 5-1 being again turned on water inlet pipe 5 is passed through
High pressure clear water cleans magnetic separation medium 2-2, and the magnetic-particle on magnetic separation medium 2-2 is rinsed, and opens concentrate discharging
Concentrate outlet valve 6-1 on pipe 6, magnetic-particle are discharged in concentrate collecting tank 9 by concentrate outlet valve 6-1, this is rinse stage.
Complete the above process i.e. realize a duty cycle, complete the period work after, can from the beginning under
The ore dressing of a cycle, whole process can be carried out by control system by program, or can pass through manpower under specific condition
It manually completes.Complete a magnetic separation period needs 20~30 minutes.
Embodiment two
Another kind uses the ore dressing low consumed power energy saving high gradient magnetic separator of magnetic fluid, referring to attached drawing 7 in embodiment 1
On the basis of, by catch tray 3-2, collecting tank 3-2-1, traction rope 3-3, lifting device 3-4 and the permanent-magnet in script embodiment 1
3-5 replaces with magnetic fluid pipeline 3-6, circulating pump 3-7, eduction valve 3-8, magnetic fluid reservoir 3-9 and polarizing coil 3-10 and (chooses to install
Part), the helical pipe 3-1 in script embodiment 1 is changed to closed pipeline, cross section is preferably rectangle, using inorganic non-
Metal material is made, such as the materials such as glass.Magnetic fluid pipeline 3-6 is connected to helical pipe 3-1, circulating pump 3-7, eduction valve 3-
8, polarizing coil 3-10 (choosing to install part) is mounted on magnetic fluid pipeline 3-6, while magnetic fluid reservoir 3-9 and magnetic fluid pipeline
3-6 connection.
Magnetic fluid pipeline 3-6 includes that magnetic fluid outlet 3-6-1, magnetic fluid inlet tube 3-6-2 and magnetic fluid discharge pipe 3-
6-3；Magnetic fluid one end outlet 3-6-1 connects the fluid outlet on the top helical pipe 3-1, and the other end connects magnetic fluid reservoir
3-9；Magnetic fluid one end inlet tube 3-6-2 connects the fluid inlet of the bottom end helical pipe 3-1, and the other end connects magnetic fluid reservoir
Circulating pump 3-7 is also equipped on 3-9, magnetic fluid inlet tube 3-6-2；Also optional polarizing coil 3-10, which is arranged, is mounted on magnetic fluid
On inlet tube 3-6-2, between the fluid inlet and circulating pump 3-7 of the bottom end helical pipe 3-1, it is passed through during magnetic separation
Direct current generates the magnetic field of single direction, for improving the magnetic fluid internal magnetization particle polar orientation for flowing into helical pipe 3-1
The consistency of arrangement；Magnetic fluid discharges the fluid inlet of the one end pipe 3-6-3 connection bottom end helical pipe 3-1, and the other end connects magnetic
Fluid reservoir 3-9, magnetic fluid, which discharges, is equipped with eduction valve 3-8 on pipe 3-6-3.Circulating pump 3-7 is opened, eduction valve 3-8 is closed,
Magnetic fluid is between magnetic fluid outlet 3-6-1, helical pipe 3-1, magnetic fluid inlet tube 3-6-2 and magnetic fluid reservoir 3-9
It circulates, magnetic field can be formed in the magnetic separation chamber in magnetic separation portion 2；Magnetic fluid when opening eduction valve 3-8, closing circulating pump 3-7
It is flowed back into magnetic fluid reservoir 3-9 under the effect of gravity, it is (attached that the bottom magnetic fluid reservoir 3-9 is provided with compact electromagnetic coil
It is not shown go out), in aerial drainage to compact electromagnetic coil be powered for assisting magnetic fluid to flow back.
The fluid that the device magnetic fluid is made of magnetic-particle, base fluid and activating agent, magnetic-particle in fluid by
The materials such as rubidium iron boron, SmCo, permanent-magnet ferrite are made, and to be rodlike or spherical, partial size is less than 1mm；Base fluid be water or
The organic solvents such as oil prevent from reuniting using oleic acid, ethylene glycol etc. as activating agent.
The working principle and control method of the device are as follows:
When starting magnetic separation, it is first turned on circulating pump 3-7, polarizing coil 3-10 is powered and (may be selected to use), so that magnetic system 3
The magnetic fluid stored in middle magnetic fluid reservoir 3-9 enters helical pipe along magnetic fluid inlet tube 3-6-2 after polarization arrangement
In 3-1, and in magnetic fluid reservoir 3-9, magnetic fluid inlet tube 3-6-2, helical pipe 3-1 and magnetic fluid outlet 3-6-1
Form one-way circulation flowing and flow velocity and the stable magnetic fluid of polar orientation, at this time the shape in the magnetic separation chamber in magnetic separation portion 2 of magnetic system 3
Magnetize at magnetic field, and by the magnetic separation medium 2-2 in 2 magnetic separation chamber of magnetic separation portion, so that its magnetization is reached saturation state, form High-gradient Magnetic
?.
Then the inlet valve 4-1 on feed pipe 4 is opened, the tailing outlet valve 7-1 on tailing discharge nozzle 7, water inlet pipe 5 are opened
On inlet valve 5-1 and concentrate discharge nozzle 6 on concentrate outlet valve 6-1 remain turned-off, to the ore pulp of magnetic separation, (concentration is at this time
It 30%-50%) is flowed at a slow speed by feed pipe 4 in the magnetic separation chamber in magnetic separation portion 2, the magnetic-particle in ore pulp is attracted to by magnetic
On the magnetic separation medium 2-2 (such as steel wool) of change, remaining ore pulp is discharged to tail by the tailing outlet valve 7-1 of tailing discharge nozzle 7
In mine collecting tank 8, this is to the mine stage；
After a period of time has passed, the magnetic-particle absorption on magnetic separation medium 2-2 closes inlet valve 4-1 close to saturation, into
Expects pipe 4 stops feed, opens the inlet valve 5-1 on water inlet pipe 5, and addition clear water will be attached to non magnetic on magnetic separation medium 2-2
Particle rinses away, and the slurry flushed out is equally discharged in tailing collecting tank 8 from the tailing outlet valve 7-1 of tailing discharge nozzle 7,
This is rinse stage；
Finally, closing the tailing outlet valve 7-1 of tailing discharge nozzle 7, circulating pump 3-7 is closed, polarizing coil 3-10 power-off is beaten
It opens eduction valve 3-8 magnetic fluid is made to discharge pipeline 3-6-3 by magnetic fluid and spew out into magnetic fluid reservoir 3-9, in order to improve fluid
Speed is discharged, the compact electromagnetic coil of the bottom magnetic fluid reservoir 3-9 can be powered, for assisting magnetic fluid to flow back；
Magnetic field in the magnetic separation chamber in the portion of magnetic separation at this time 2 disappears, and gradually demagnetization loses magnetism magnetic separation medium 2-2, is again turned on
Inlet valve 5-1 on water inlet pipe 5 is passed through high pressure clear water and cleans to magnetic separation medium 2-2, by the magnetism on magnetic separation medium 2-2
Particle rinses, and opens the concentrate outlet valve 6-1 on concentrate discharge nozzle 6, and magnetic-particle is discharged to essence by concentrate outlet valve 6-1
In mine collecting tank 9, this is rinse stage.
Alternatively, finally, closing tailing outlet valve 7-1, polarizing coil the 3-10 power-off of tailing discharge nozzle 7, control loop pump
3-7 positive and negative rotation simultaneously gradually decreases magnetic fluid flow, to change stream of the magnetic fluid in helical pipe 3-1 and magnetic fluid pipeline 3-6
Dynamic direction, forms the alternating magnetic field that gradually dies down in the magnetic separation chamber in magnetic separation portion 2 to improve the demagnetization speed of magnetic separation medium 2-2,
Circulating pump 3-7 is being turned off after a period of time or after multiple positive and negative rotation cycle periods, is opened eduction valve 3-8 and is made magnetic fluid logical
It crosses magnetic fluid and discharges pipeline 3-6-3 and spew out into magnetic fluid reservoir 3-9, speed is discharged in order to improve fluid, optionally by magnetic fluid
The compact electromagnetic coil of the bottom reservoir 3-9 is powered, for assisting magnetic fluid to flow back；
Magnetic field in the magnetic separation chamber in the portion of magnetic separation at this time 2 disappears, and magnetic separation medium 2-2 demagnetization loses magnetism, is again turned on into water
Inlet valve 5-1 on pipe 5 is passed through high pressure clear water and cleans to magnetic separation medium 2-2, by the magnetic-particle on magnetic separation medium 2-2
Flushing is got off, and the concentrate outlet valve 6-1 on concentrate discharge nozzle 6 is opened, and magnetic-particle is discharged to concentrate by concentrate outlet valve 6-1 and receives
Collect in slot 9.
Complete the above process i.e. realize a duty cycle, complete the period work after, can from the beginning under
The ore dressing of a cycle, whole process can be carried out by control system by program.Complete 25 minutes left sides of a magnetic separation period needs
It is right.
Embodiment three
Referring to attached drawing 8, a kind of enhanced low consumed power energy saving high gradient magnetic separator increases again on the basis of embodiment 1
Add a helical pipe 3-1 and its catch tray 3-2 to match, traction rope 3-3, lifting device 3-4 and permanent-magnet 3-5,
Using double-layer spiral pipeline, two helical pipes are oppositely oriented, the permanent-magnet 3-5 in two helical pipe 3-1 attracts end to end
Order of polarity is on the contrary, so that magnetic system 3 can generate the magnetic induction line being superimposed in the same direction in the magnetic separation chamber in magnetic separation portion 2, for improving
The intensity in magnetic field is formed in the magnetic separation chamber in magnetic separation portion 2, working principle and control method are identical as in embodiment 1.
Meanwhile it can also attempt to the magnetic current for being further added by a helical pipe 3-1 on the basis of embodiment 2 and its having matched
Body pipeline 3-6, circulating pump 3-7, eduction valve 3-8 and magnetic fluid reservoir 3-9, using double-layer spiral pipeline, two helical pipes
It is oppositely oriented, so that magnetic system 3 can generate the magnetic induction line being superimposed in the same direction in the magnetic separation chamber in magnetic separation portion 2, for improving in magnetic separation
The intensity in magnetic field is formed in the magnetic separation chamber in portion 2, working principle and control method are identical as in embodiment 2.
It above are only the preferred embodiment and institute's application technology principle of invention, anyone skilled in the art
In the technical scope disclosed by the present invention, the change or replacement embodiment being readily apparent that should all cover in protection of the invention
In range.
Claims (10)
1. a kind of ore dressing energy-saving high gradient magnetic separator of magnetic fluid formula, comprising: rack (1), magnetic separation portion (2), magnetic system (3) and pipe
Road system and collection portion, the rack (1) include lower base (1-1) and upper support frame (1-2)；Magnetic separation portion (2) peace
Loaded on the lower base (1-1), the magnetic system (3) is fixedly mounted on the magnetic separation portion by the upper support frame (1-2)
(2) outside；The magnetic separation portion (2) is the cavity body structure of inner hollow, is had magnetic separation cavity wall (2-1), it is characterised in that: described
Magnetic system (3) includes magnetic fluid system.
2. a kind of ore dressing according to claim 1 energy-saving high gradient magnetic separator of magnetic fluid formula, it is characterised in that: described
Magnetic separation cavity wall (2-1), is made of magnetic conduction or paramagnetic material, the magnetic separation medium (2-2) be interval filling tooth plate medium,
Every the pole medium of filling, the closely spherical medium, the closely mesh medium that fills or the close steel wool medium that fills that fill.
3. a kind of ore dressing according to claim 1 energy-saving high gradient magnetic separator of magnetic fluid formula, it is characterised in that: described
Magnetic system (3) further includes helical pipe (3-1), and the magnetic fluid system includes magnetic fluid pipeline (3-6), circulating pump (3-7), aerial drainage
Valve (3-8), magnetic fluid reservoir (3-9)；The helical pipe (3-1) is fitted in outside the magnetic separation portion (2) in closing twist
Rise arrangement；The magnetic fluid pipeline (3-6) is connected to the helical pipe (3-1), the circulating pump (3-7), the aerial drainage
Valve (3-8) is mounted on the magnetic fluid pipeline (3-6), and the magnetic fluid reservoir (3-9) and magnetic fluid pipeline (3-6) are even
It is logical.
4. a kind of ore dressing according to claim 3 energy-saving high gradient magnetic separator of magnetic fluid formula, it is characterised in that: described
Magnetic fluid pipeline (3-6) includes that magnetic fluid outlet (3-6-1), magnetic fluid inlet tube (3-6-2) and magnetic fluid discharge pipe (3-6-
3)；Described magnetic fluid outlet one end (3-6-1) connects the fluid outlet on helical pipe (3-1) top, other end connection
The magnetic fluid reservoir (3-9)；Described magnetic fluid inlet tube one end (3-6-2) connects helical pipe (3-1) bottom end
Fluid inlet, the other end connect the magnetic fluid reservoir (3-9), are also equipped with institute on the magnetic fluid inlet tube (3-6-2)
State circulating pump (3-7)；The magnetic fluid discharges the fluid inlet that pipe one end (3-6-3) connects helical pipe (3-1) bottom end,
The other end connects the magnetic fluid reservoir (3-9), and the magnetic fluid, which discharges, is equipped with the eduction valve (3- on pipe (3-6-3)
8)。
5. a kind of ore dressing according to claim 3 energy-saving high gradient magnetic separator of magnetic fluid formula, it is characterised in that: described
The fluid that magnetic fluid in magnetic fluid system is made of magnetic-particle, base fluid and activating agent, magnetic-particle in fluid by
The materials such as rubidium iron boron, SmCo, permanent-magnet ferrite are made, and to be rodlike or spherical, partial size is less than 1mm；Base fluid be water or
The organic solvents such as oil prevent from reuniting using oleic acid, ethylene glycol etc. as activating agent.
6. a kind of ore dressing according to claim 3 energy-saving high gradient magnetic separator of magnetic fluid formula, it is characterised in that: described
The bottom magnetic fluid reservoir (3-9) is provided with compact electromagnetic coil, is powered the compact electromagnetic coil for auxiliary in aerial drainage
Magnetic assist fluid reflux.
7. a kind of ore dressing according to claim 1-6 energy-saving high gradient magnetic separator of magnetic fluid formula, feature
Be: the magnetic system (3) further includes polarizing coil (3-10), and the polarizing coil (3-10), which is arranged, to be mounted on the magnetic fluid and enter
On mouth pipe (3-6-2), it is located between the fluid inlet and the circulating pump (3-7) of the bottom end the helical pipe (3-1), in magnetic
It is passed through direct current during choosing, generates the magnetic field of single direction, is flowed into the magnetic fluid of the helical pipe (3-1) for improving
The consistency of portion's magnetic-particle polar orientation arrangement.
8. a kind of ore dressing according to claim 1-6 energy-saving high gradient magnetic separator of magnetic fluid formula, feature
Be: the pipe-line system by feed pipe (4), inlet valve (4-1), water inlet pipe (5), inlet valve (5-1), concentrate discharge nozzle (6),
Concentrate outlet valve (6-1), tailing discharge nozzle (7) and tailing outlet valve (7-1) composition；The magnetic separation chamber top of the magnetic separation portion (2)
It is connected to the feed pipe (4) and the water inlet pipe (5), the inlet valve (4-1) is installed on the feed pipe (4) and is used for
Control charging, the inlet valve (5-1) are installed on the water inlet pipe (5) for controlling water inlet；The magnetic separation of the magnetic separation portion (2)
Chamber lower part is connected to the concentrate discharge nozzle (6) and the tailing discharge nozzle (7), and the concentrate outlet valve (6-1) is installed on institute
It states for controlling concentrate discharging on concentrate discharge nozzle (6), the tailing outlet valve (7-1) is installed on the tailing discharge nozzle (7)
On for control tailing discharging；The collection portion includes tailing collecting tank (8) and concentrate collecting tank (9), the concentrate collecting tank
(9) for collecting the concentrate of concentrate discharge nozzle (6) discharge, the tailing collecting tank (8) is for collecting the tailing discharging
Manage the tailing of (7) discharge.
9. a kind of magnetic separation side for claim 2-8 described in any item ore dressings energy-saving high gradient magnetic separator of magnetic fluid formula
Method, it is characterised in that include the steps that mine, rinsing and rinse three phases, be a work week the step of these three stages
Phase, after the work for completing a cycle, can next cycle from the beginning ore dressing, whole process can pass through control system
It is carried out by program.
10. a kind of magnetic separation for claim 7-8 described in any item ore dressings energy-saving high gradient magnetic separator of magnetic fluid formula
Method, it is characterised in that include the steps that mine, rinsing and rinse three phases；
It is described to give mine stage etch are as follows: to open circulating pump (3-7), polarizing coil (3-10) is powered, so that magnetic fluid in magnetic system (3)
The magnetic fluid stored in reservoir (3-9) enters helical pipe (3-1) along magnetic fluid inlet tube (3-6-2) after polarization arrangement
In, and in magnetic fluid reservoir (3-9), magnetic fluid inlet tube (3-6-2), helical pipe (3-1) and magnetic fluid outlet (3-6-
1) one-way circulation flowing is formed in and flow velocity and the stable magnetic fluid of polar orientation, magnetic fluid is by magnetic separation medium (2-2) magnetic
Change；The inlet valve (4-1) on feed pipe (4) is opened, the tailing outlet valve (7-1) on tailing discharge nozzle (7), water inlet pipe are opened
(5) the concentrate outlet valve (6-1) on inlet valve (5-1) and concentrate discharge nozzle (6) on remains turned-off；Ore pulp discharge after magnetic separation
To in tailing collecting tank (8)；
The rinse step are as follows: after a period of time has passed, the magnetic-particle absorption on magnetic separation medium (2-2) is closed close to saturation
It closes inlet valve (4-1), opens the inlet valve (5-1) on water inlet pipe (5), the tailing outlet valve (7-1) on tailing discharge nozzle (7) is protected
Opening state is held, clear water is added and rinses away the non-magnetic particle being attached on magnetic separation medium (2-2), is discharged to tailing collection
In slot (8)；
The rinsing step are as follows: close the tailing outlet valve (7-1) of tailing discharge nozzle (7), close circulating pump (3-7), polarize line
Enclose (3-10) power-off, open eduction valve (3-8) make magnetic fluid by magnetic fluid discharge pipeline (3-6-3) spew out into magnetic fluid store
Device (3-9) discharges speed to improve fluid, and the magnetic field in the magnetic separation chamber of magnetic separation portion (2) disappears, and is again turned on water inlet pipe (5)
On inlet valve (5-1), be passed through high pressure clear water and magnetic separation medium (2-2) cleaned, by magnetic on magnetic separation medium (2-2)
Grain rinses, and opens the concentrate outlet valve (6-1) on concentrate discharge nozzle (6), and magnetic-particle is discharged by concentrate outlet valve (6-1)
To in concentrate collecting tank (9).
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| CN201910553837.1A CN110124856B (en) | 2019-06-25 | 2019-06-25 | Magnetic fluid type energy-saving high-gradient magnetic separator for mineral separation |
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| CN201910553837.1A CN110124856B (en) | 2019-06-25 | 2019-06-25 | Magnetic fluid type energy-saving high-gradient magnetic separator for mineral separation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110773314A (en) * | 2019-11-25 | 2020-02-11 | 中国恩菲工程技术有限公司 | Strong magnetic separator for laboratory |
| CN115672546A (en) * | 2023-01-05 | 2023-02-03 | 太原理工大学 | Rotating magnetic field solenoid type magnetic separator and system for magnetite concentration |
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| CN115672546A (en) * | 2023-01-05 | 2023-02-03 | 太原理工大学 | Rotating magnetic field solenoid type magnetic separator and system for magnetite concentration |
| CN115672546B (en) * | 2023-01-05 | 2023-05-16 | 太原理工大学 | Rotary magnetic field solenoid type magnetic separator and system for magnetite concentration |
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Effective date of registration: 20200511 Address after: Group 3, Xiangbei village, Nanyang Town, Dafeng District, Yancheng City, Jiangsu Province Applicant after: Jiangsu Zhongxin magnetoelectric Co., Ltd. Address before: Room 103, 230000 Dormitory of Hefei Metallurgical Science Research Institute, Anhui Province Applicant before: Liu Xinzhen |
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