CN109847929A - A kind of stirring magnetic separator and magnetic separation process - Google Patents
A kind of stirring magnetic separator and magnetic separation process Download PDFInfo
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- CN109847929A CN109847929A CN201910002469.1A CN201910002469A CN109847929A CN 109847929 A CN109847929 A CN 109847929A CN 201910002469 A CN201910002469 A CN 201910002469A CN 109847929 A CN109847929 A CN 109847929A
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Abstract
The present invention discloses a kind of stirring magnetic separator and magnetic separation process, wherein the stirring magnetic separator includes: cylinder, and upper part is equipped with inlet valve, lower part is equipped with outlet valve；Electromagnetism magnetic system, including several electromagnets, each electromagnet is arranged around the cylinder, and the polarity of circumferentially adjacent two electromagnet is opposite；Mixing component is set in the cylinder；First driving assembly and the second driving assembly, first driving assembly and the mixing component are sequentially connected, and for driving the mixing component to be rotated, second driving assembly and the cylinder are sequentially connected, for driving the cylinder to be rotated.Stirring magnetic separator provided by the present invention can treat sorting ore pulp and repeatedly be sorted, and be more advantageous to obtain high-grade magnetic mineral, and be conducive to simplify the structure of ore-sorting system, reduce the occupied area of ore dressing plant area, reduce beneficiation cost.
Description
Technical field
The present invention relates to technical field of beneficiation, and in particular to a kind of stirring magnetic separator and magnetic separation process.
Background technique
Traditional magnetic separator includes that cylinder, fan-shaped magnetic system and under casing, fan-shaped magnetic system are set in cylinder, and are located at cylinder
Lower end.At work, ore pulp is given to the lower section of the cylinder of rotation by under casing lower part, dispels the work of water dispelling water pipe and spraying
Under, ore pulp can be in loose suspended state；Wherein, magnetic ore particle is by upward magnetic force, and is attracted to the outer wall of cylinder
Face, and rotated with cylinder, in rotary course, due to the alternating polarities of magnetic pole, magnetic tipping effect is generated, makes to be mixed in magnetic
Gangue in group or magnetic linkage is cleaned out, to improve the grade of concentrate, magnetic ore particle is rotated with cylinder to magnetic system outskirt
When (fan-shaped magnetic system acts on region that is smaller or disappearing), since magnetic field strength reduces, the effect of flushing water is sprayed in wash tub pipe
Under fall into concentrate slot；And non magnetic ore particle under the action of flow of slurry, flows into debris tube from the tailing hole on bottom plate under casing
Middle discharge, to realize the sorting of ore.
However, above-mentioned ore dressing mode can only realize rough primary sorting, the grade of concentrate is still lower after magnetic separation, such as
Fruit will continue to improve the grade of concentrate, it is also necessary to cooperate other preparation equipments, cause the structure of entire ore-sorting system more multiple
It is miscellaneous.
Therefore, how a kind of scheme is provided, is still those skilled in the art's technology urgently to be resolved to overcome drawbacks described above
Problem.
Summary of the invention
The object of the present invention is to provide a kind of stirring magnetic separator and magnetic separation process, wherein the stirring magnetic separator can be treated
Sorting ore pulp is repeatedly sorted, and is more advantageous to obtain high-grade magnetic mineral, and is conducive to simplify the structure of ore-sorting system,
The occupied area of ore dressing plant area is reduced, beneficiation cost is reduced.
In order to solve the above technical problems, the present invention provides a kind of stirring magnetic separator, comprising: cylinder, upper part are equipped with import
Valve, lower part are equipped with outlet valve；Electromagnetism magnetic system, including several electromagnets, each electromagnet surround the cylinder and arrange, and along week
Polarity to adjacent two electromagnet is opposite；Mixing component is set in the cylinder；First driving assembly and the second driving
Component, first driving assembly and the mixing component are sequentially connected, described for driving the mixing component to be rotated
Second driving assembly and the cylinder are sequentially connected, for driving the cylinder to be rotated.
Stirring magnetic separator provided by the present invention, is internally provided with mixing component, cooperates the cylinder of rotation, can be to ore pulp
It is more thoroughly broken up, and causes the formation of the vortex of inner barrel, so that the magnetic mixing such as magnetic group, magnetic linkage in ore pulp
Object may be at more sufficient suspended dispersion, be conducive to absorption of the electromagnetism magnetic system to magnetic mixture in ore pulp；And by
The magnetic mixture for being adsorbed on cylinder inboard wall can constantly be rinsed in ore pulp flowing aggravation, ore pulp in cylinder,
The magnetic rolling that cooperation pole change is caused, can more effectively remove the gangue being wherein mingled with；Furthermore in the present embodiment
The used electromagnetism magnetic system of magnetic separator is stirred around cylinder one week, the more of the electromagnet of magnetic pole is converted, can be generated
Magnetic rolling phenomenon becomes apparent, and cooperates the ore pulp of violent flow, can further reinforce mixed to the magnetism for being adsorbed on cylinder inboard wall
Close the rinsing of object.
More importantly in embodiments of the present invention, ore pulp is to be located at inner barrel, in assorting room, it is magnetic compared with
High ore particle can be attracted to cylinder inboard wall, can't be expelled directly out, and the magnetic mixture for being adsorbed on cylinder can be by repeatedly
Rinsing；And after primary sorting, the tailing once sorted can be discharged through outlet valve, and the concentrate once sorted is still
It stays in cylinder, at this point, cleaning solution (cleaning solution of clear water or other dedicated removal gangues), starting is added into cylinder again
Electromagnetism magnetic system, the first driving assembly, the second driving assembly can also to stay in the intracorporal concentrate of cylinder carry out it is secondary, three times or even more
Multiple sorting can improve the grade for sorting obtained concentrate to a greater degree.
In this way, only with this equipment of stirring magnetic separator provided by the present invention, it can preferably to magnetic low-grade
Mineral are sorted, and the structure of ore-sorting system is significantly simplified, and the occupied area of ore dressing plant area can substantially reduce, into
And the cost of ore dressing can be greatly reduced.
Optionally, the mixing component includes agitating shaft and several blades for being installed on the agitating shaft, the agitating shaft
The cylinder can be stretched out, and is sequentially connected with first driving assembly；It further include inner cylinder, the inner cylinder is set to the cylinder
In vivo, and it is coated at the agitating shaft, at least one described blade can be stretched out from the lower openings of the cylinder, the cylinder
Top be equipped with upper opening.
Optionally, the quantity of the upper opening is multiple, and each upper opening is circumferentially spaced to be set in described
The peripheral wall of cylinder.
It optionally, further include circulation pipe, one end of the circulation pipe is installed on the upper opening, and the other end is located at described
The outside of inner cylinder, and the circulation pipe is obliquely installed upward along the direction far from the inner cylinder.
It optionally, further include inlet tube, under the inlet valve is in the open state, the inlet tube be can extend into described
Cylinder, to be passed through ore pulp to be sorted into the cylinder.
It optionally, further include bracket, the cylinder, the electromagnetism magnetic system, first driving assembly and described second drive
Dynamic component is mounted on the bracket.
It optionally, further include discharge funnel, the discharge funnel is installed on the bracket, and is located under the outlet valve
Side；The discharge funnel includes isometrical section and reducer tapered from top to bottom, described isometrical section with the path of the reducer
End is connected.
Optionally, switch valve is additionally provided in described isometrical section.
Optionally, the outlet valve is triple valve, has an import department and two outlet portions, in two outlet portions,
One is used for tailing disposal, another is for discharging concentrate.
The present invention also provides a kind of magnetic separation process, are suitable for above-mentioned stirring magnetic separator, comprising: step S1, Xiang Suoshu cylinder
The ore pulp to be sorted of the first set amount is added in inside；Step S2 starts first driving assembly, to drive the mixing component
Rotation；Step S3, the first setting time after the step S2 start second driving assembly, to drive the cylinder
Rotation；Step S4, the second setting time after the step S3 are powered for the electromagnetism magnetic system；Step S5, in the step
Third setting time after S4 shuts down first driving assembly, second driving assembly, opens the outlet valve, with
Tailing disposal；Step S6 is again switched off the outlet valve after tailings discharging, disconnects the confession of the electromagnetism magnetic system
Electricity, and the cleaning solution of the second set amount is added into the cylinder；Step S7 repeats step S2- step S6, and judges weight
Again whether number is less than setting number, if it is not, executing step S8；Step S8, disconnects the power supply of the electromagnetism magnetic system, described in opening
Concentrate is discharged in outlet valve.
Since above-mentioned stirring magnetic separator has been provided with technical effect as above, then, for the magnetic of the stirring magnetic separator
Select technique also when having similar technical effect, therefore this will not be repeated here.
Optionally, small by the electric current of the electromagnetism magnetic system in the step S4 that repeats in the step S7
In it is preceding once execute the step S4 when by the electric current of the electromagnetism magnetic system.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of specific embodiment of stirring magnetic separator provided by the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the structural schematic diagram of mixing component and inner cylinder；
Fig. 4 is the flow diagram of magnetic separation process provided by the present invention.
The reference numerals are as follows in Fig. 1-4:
1 cylinder；
2 electromagnetism magnetic systems, 21 electromagnets；
3 mixing components, 31 agitating shafts, 32 blades；
4 first driving assemblies, 41 first actuators, 42 first connection belts；
5 second driving assemblies, 51 second actuators, 52 second connection belts；
6 inner cylinders, 61 lower openings, 62 circulation pipes；
7 inlet tubes；
8 brackets；
9 discharge funnels, 91 isometrical sections, 911 switch valves, 92 reducers.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to make those skilled in the art more fully understand technical solution of the present invention
Applying example, the present invention is described in further detail.
It is described herein it is " several " be that exponential quantity is uncertain multiple, it is usually more than two；And when using " several " table
When showing the quantity of certain several component, it is not offered as the correlation of these components quantitatively.
The words such as " first " described herein, " second ", be merely for convenience of description scheme same or like two with
On structure or component, be not offered as certain particular determination to sequence.
Embodiment one
Fig. 1-3 is please referred to, Fig. 1 is a kind of structural representation of specific embodiment of stirring magnetic separator provided by the present invention
Figure, Fig. 2 are the top view of Fig. 1, and Fig. 3 is the structural schematic diagram of mixing component and inner cylinder.
As shown in Figure 1 and Figure 2, the present invention provides a kind of stirring magnetic separator, comprising: cylinder 1, upper part are equipped with inlet valve (figure
In be not shown), lower part be equipped with outlet valve (not shown)；Electromagnetism magnetic system 2, including several electromagnets 21, each 21 ring of electromagnet
It is arranged around cylinder 1, and the polarity of circumferentially adjacent two electromagnet 21 is opposite；Mixing component 3 is set in cylinder 1；First driving
Component 4 and the second driving assembly 5, the first driving assembly 4 is sequentially connected with mixing component 3, for driving 3 turns of mixing component
Dynamic, the second driving assembly 5 is sequentially connected with cylinder 1, for driving cylinder 1 to be rotated.
When in use, ore pulp to be sorted (hereinafter referred to as ore pulp) can be added into cylinder 1 by inlet valve, and passes through the
One driving assembly 4, the second driving assembly 5 drive mixing component 3 and cylinder 1 to be rotated, so that magnetic group in ore pulp,
Magnetic linkage (magnetic mineral and other gangues stick and are formed by the various forms of magnetic mixtures such as bulk, chain together,
Hereinafter referred to as magnetic mixture) it is in suspended dispersion；Electromagnetism magnetic system 2 after power supply can generate magnetic mixture
Magnetic mixture is adsorbed on the inner wall of cylinder 1 and rotated with cylinder 1 by adsorption capacity, due to the variation of magnetic pole, is adsorbed on cylinder 1
The magnetic mixture of inner wall can roll, and will be mingled with gangue therein and clean out, and then it is higher that grade can be obtained
Magnetic mineral.
Compared with the prior art, stirring magnetic separator provided by the present invention is internally provided with mixing component 3, cooperation rotation
Cylinder 1, ore pulp more can thoroughly be broken up, and cause the formation of the vortex inside cylinder 1, so that in ore pulp
Magnetic mixture may be at more sufficient suspended dispersion, be conducive to electromagnetism magnetic system 2 to magnetic mixture in ore pulp
Absorption；And due to ore pulp flowing aggravation in cylinder 1, ore pulp can be carried out the magnetic mixture for being adsorbed on 1 inner wall of cylinder
Continuous rinsing, the magnetic rolling that cooperation pole change is caused, can more effectively remove the gangue being wherein mingled with；Again
Person, circular cylinder 1 one weeks of stirring the used electromagnetism magnetic system 2 of magnetic separator, convert the quantity of the electromagnet 21 of magnetic pole in the present embodiment
More, the magnetic rolling phenomenon that can be generated becomes apparent, and cooperates the ore pulp of violent flow, can further reinforce to being adsorbed on
The rinsing of the magnetic mixture of 1 inner wall of cylinder.
More importantly in embodiments of the present invention, ore pulp is located inside cylinder 1, in assorting room, it is magnetic compared with
High ore particle can be attracted to 1 inner wall of cylinder, can't be expelled directly out, and the magnetic mixture for being adsorbed on cylinder 1 can be anti-
Multiple rinsing；And after primary sorting, the tailing once sorted can be discharged through outlet valve, and the concentrate once sorted is still
So stay in cylinder 1, at this point, cleaning solution (cleaning solution of clear water or other dedicated removal gangues) is added into cylinder 1 again,
Starting electromagnetism magnetic system 2, the first driving assembly 4, the second driving assembly 5 concentrate that stays in cylinder 1 can also be carried out it is secondary, three
Secondary or even more sorting can improve the grade for sorting obtained concentrate to a greater degree.
In this way, only with this equipment of stirring magnetic separator provided by the present invention, it can preferably to magnetic low-grade
Mineral are sorted, and the structure of ore-sorting system is significantly simplified, and the occupied area of ore dressing plant area can substantially reduce, into
And the cost of ore dressing can be greatly reduced.
In practical application, pass through electromagnetism magnetic when can be less than primary sorting by the electric current of electromagnetism magnetic system 2 when secondary sorting
It is 2 electric current, that is to say, that in secondary sorting, electromagnetic force caused by electromagnetism magnetic system 2 be can reduce, selectively to inhale
(for iron ore, which is Fe to the attached higher mineral of magnetisable material content3O4), it is more advantageous to secondary point of guarantee
The raising of concentrate grade after choosing.Equally, secondary (N- can be less than by the electric current of electromagnetism magnetic system 2 when (n-th) sorts three times
1 time) sorting when by the electric current of electromagnetism magnetic system 2, to come step by step by the continuous reduction of electromagnetic force produced by electromagnetism magnetic system 2
Less, the lower mineral of grade containing magnetisable material are screened out, so as to constantly improve concentrate grade.
In specific scheme, as shown in figure 3, and combine Fig. 1, mixing component 3 may include agitating shaft 31 and being installed on
Several blades 32 of agitating shaft 31, the upper end of agitating shaft 31 can stretch out cylinder 1, and be connected with the first driving assembly 4.
First driving assembly 4 may include the first actuator 41, and the first actuator 41 can be using the drive of the forms such as motor
Dynamic element, can be using the connection structure of the forms such as gear, sprocket wheel, belt wheel between drive shaft and agitating shaft 31, and is arranged
The gear of agitating shaft 31, the diameter of sprocket wheel or belt wheel and gear, sprocket wheel or band that 41 drive shaft of the first actuator is set
The diameter of wheel can be different, to form deceleration mechanism, it is convenient to control the revolving speed of mixing component 3.Certainly, the first actuator 41
Drive shaft can also be connected directly with agitating shaft 31, at this point, the revolving speed phase of the revolving speed of mixing component 3 and the first actuator 41
Together.In Fig. 1 embodiment, belt wheel can be set in the drive shaft and agitating shaft 31 of the first actuator 41, may then pass through
First connection 42 solderless wrapped connection of belt, two belt wheel, with the transmission connection relationship established between the first actuator 41 and agitating shaft 31.
Similar with the first driving assembly 4, the second driving assembly 5 also may include the second actuator 51, the second actuator
It can also be using the connection structure of the forms such as gear, sprocket wheel, belt wheel between 51 drive shaft and cylinder 1.In Fig. 1 embodiment,
Belt wheel has can be set in the drive shaft of second actuator 51 and the lower end of cylinder 1, it is then possible to pass through the second connection belt
52 solderless wrapped connection, two belt wheel, with the transmission connection relationship established between the second actuator 51 and cylinder 1.
It further, can also include inner cylinder 6, inner cylinder 6 can be set in cylinder 1, and be coated at agitating shaft 31, at least
One blade 32 can be stretched out from the lower openings 61 of cylinder 1, and the top of cylinder 1 is equipped with upper opening.
So set, the ore pulp in addition to being able to drive surrounding rotates when the blade 32 for being located at 6 lower section of inner cylinder is rotated
Except, additionally it is possible to upward rotation lift is generated to the ore pulp of surrounding, so that the ore pulp in the outside of inner cylinder 6 rolls upwards, and can be with
Entered inside inner cylinder 6 by upper opening, then flow out inner cylinder 6 by lower openings 61 again, to form ore pulp inside cylinder 1
Circulation stream, so that the ore pulp inside cylinder 1 may be at complete flow regime, the magnetic mixture in ore pulp can be sufficiently sudden and violent
Dew, is more advantageous to absorption of the electromagnetism magnetic system 2 to magnetic mixture, and then effectively sort high-grade mineral, can largely keep away
Exempt from high-grade mineral wrapped folder and the waste caused as tailing discharge.
The blade 32 of agitating shaft 31 can be to be multiple, in each blade 32, and several blades 32 can be located at same mounting height,
And circumferentially spaced setting along the vertical direction, can be equipped with multiple groups blade 32, wherein at least one set can position to form one group
In the lower section of inner cylinder 6.In the specific implementation, since the blade 32 for being located at 6 downside of inner cylinder is main for setting up for circulation stream
Effect, so, blade 32 only can also be set in the downside of inner cylinder 6.
The blade 32 for being set to the downside of inner cylinder 6 can be one group, or multiple groups, specifically can according to actual needs into
Row setting.And one group of blade 32 of bottom answers the bottom wall of relatively close cylinder 1, preferably to drive lower part ore pulp in cylinder 1
Flowing.Here, the embodiment of the present invention does not limit the spacing of bottom one group of blade 32 and 1 bottom wall of cylinder, can specifically tie
Unify fixed simulated experiment to be configured, as long as guaranteeing that blade 32 in rotation, is able to drive most of ore pulp in cylinder 1
Flowed, avoid ore pulp 1 lower part of cylinder gather cause magnetic mineral to be buried and be difficult to by electromagnetism magnetic system 2 adsorb.
The upper opening of inner cylinder 6 can be set to multiple, and each upper opening circumferentially spaced can be set to the week of inner cylinder 6
Wall.It further, can also include circulation pipe 62, one end of circulation pipe 62 can be installed on upper opening, and the other end can position
In the outside of inner cylinder 6, and circulation pipe 62 can be obliquely installed upward along the direction far from inner cylinder 6；In this way, due to circulation pipe 62
Import tilts upward, is conducive to the ore pulp outside inner cylinder 6 and is entered inside inner cylinder 6 by circulation pipe 62, meanwhile, and can be with larger journey
It avoids to degree the reversed self-loopa pipe 62 of the ore pulp in inner cylinder 6 from flowing out, advantageously ensures that the flow direction of ore pulp.
It can also include inlet tube 7, under inlet valve is in the open state, inlet tube 7 can extend into inner cylinder 6 in conjunction with Fig. 1
In, allow ore pulp to be introduced into inner cylinder 6, is then flowed into cylinder 1 via the lower openings 61 of inner cylinder 6 again, and gradually fill
Horizontal space between inner cylinder 6 and cylinder 1.This feed solutions are inserted directly between cylinder 1 and inner cylinder 6 compared to inlet tube 7
The scheme fed, can to avoid because in inner cylinder 6 there are air pressure caused by less feelings of ore pulp in inner cylinder 6 under original state
Shape, that is to say, that can guarantee the uniformity that ore pulp is distributed under inlet amount and original state.
Certainly, the horizontal space that inlet tube 7 is directly inserted between inner cylinder 6 and cylinder 1 is also not precluded in the embodiment of the present invention
The scheme inside fed, this scheme also belongs to scheme claimed of the embodiment of the present invention, and is directed to this scheme,
Air in inner cylinder 6 can also be discharged in the upper opening for being set to inner cylinder 6 well, so that ore pulp can smoothly enter into inner cylinder
In 6.
With continued reference to FIG. 1, can also include bracket 8, cylinder 1 above-mentioned, electromagnetism magnetic system 2, the first driving assembly 4 and the
Two driving assemblies 5 can be installed on bracket 8.
In a kind of scheme, the lower section of cylinder 1 is also provided with discharge funnel 9, and discharge funnel 9 can be installed on bracket
8, and can be opposite with outlet valve；Discharge funnel 9 may include isometrical section 91 and reducer 92 tapered from top to bottom, and isometrical section
91 can be connected with the miner diameter end of reducer 92, and isometrical section 91 is also provided with switch valve 911.
In this scenario, it is equivalent to discharge duct for isometrical section 91, reducer 92 is equivalent to drainage tube, when needing discharging, out
Mouth valve, switch valve 911 can be opened, and the tailing or concentrate inside cylinder 1 can be discharged from outlet valve, and via reducer
92, isometrical section 91 discharge, i.e., tailing and concentrate can be discharged by the same channel；And when not needing discharging, outlet valve
And switch valve 911 may be at closed state, at this point, discharge funnel 9 is in nonconducting state, be arranged under outlet valve
Side, once outlet valve is revealed, discharge funnel 9 can be accepted leakage, to avoid pollution ambient enviroment.
Here, isometrical section 91 of switch valve 911 can also be not provided with, and in this case, discharge funnel 9 can be only used for unloading
Material, outlet valve are opened, and tailing or concentrate can be discharged by discharge funnel 9.
In another scheme, outlet valve can be triple valve, have an import department and two outlet portions, import department
Cylinder 1 can be connected to, in two outlet portions, one can be used for tailing disposal, another can be used for discharging concentrate, to pass through difference
Outlet tailing and concentrate are discharged.In this scenario, there may also be above-mentioned discharge funnels 9.
Comparatively, the discharge of tailing and concentrate after sorting may be implemented in above-mentioned two schemes, specific
When implementation, those skilled in the art may set according to actual needs.
, it is emphasized that the embodiment of the present invention does not limit the application field of the stirring magnetic separator, iron ore can be applied to
The sorting of magnetic iron ore in stone, also can be applied to the sorting of magnetisable material in other field, as long as containing in mixture to be sorted
Be magnetic substance.
Embodiment two
Referring to FIG. 4, Fig. 4 is the flow diagram of magnetic separation process provided by the present invention.
As shown in figure 4, for magnetic separation blender involved in embodiment one, the present embodiment provides a kind of magnetic separation process,
Include:
Step S1, to cylinder 1 inside the ore pulp to be sorted of the first set amount is added.
The occurrence of first set amount it is not limited here, with the capacity of cylinder 1, the stirring capacity of mixing component 3, cylinder
The rotatory power of body 1 etc. is related, and when implementing, those skilled in the art can test according to associated analog and set.
Step S2 starts the first driving assembly 4, to drive mixing component 3 to rotate；
Step S3, the first setting time, starts the second driving assembly 5 upon step s 2, to drive cylinder 1 to rotate.
It, can be by stirring group using the above-mentioned scheme for first starting the first driving assembly 4, restarting the second driving assembly 5
First stirring forms vortex inside cylinder 1 for part 3, then, then is rotated by cylinder 1, can more guarantee the mineral in ore pulp
Grain is in sufficient suspended dispersion, is conducive to sorting of the subsequent electromagnetism magnetic system 2 to magnetic mineral.
Step S4, the second setting time, powers after step s 3 for electromagnetism magnetic system 2；
Step S5, third setting time after step s4 are shut down the first driving assembly 4, the second driving assembly 5, are beaten
Outlet valve is opened, with tailing disposal.
By step S1-S5, the provided magnetic separation process of the present embodiment completes the primary sorting of ore pulp to be sorted, and primary point
After choosing, concentrate is still fitted on the inner wall of cylinder 1 due to the suction-operated of electromagnetism magnetic system 2, and tailing then can be via outlet valve
Discharge, at this point, the grade of the ore stayed in cylinder 1 is greatly improved compared to the grade for the ore pulp to be sorted just being added.
The occurrence of above-mentioned first setting time, the second setting time and third setting time is also not construed as limiting herein,
When implementing, those skilled in the art can test according to associated analog and set, as long as can preferably guarantee sorting effect
Fruit and lower operating cost.
Step S6 is again switched off outlet valve after tailings discharging, disconnects the power supply of electromagnetism magnetic system 2, and to cylinder 1
The interior cleaning solution that the second set amount is added；
Step S7 repeats step S2- step S6, and judges whether number of repetition is less than setting number, if it is not, executing
Step S8.
After primary sorting, the further sorting of setting number can also be carried out to the concentrate stayed in cylinder 1,
The grade of concentrate after sorting can be improved, to a greater degree to meet requirement.Here setting number can be according to practical need
It is configured；It is understood that setting number is more, the number of sorting is more, and the grade of final acquired concentrate also can
Accordingly increase.
Above-mentioned second set amount can refer to the first set amount, but since the mineral in cylinder 1 actually reduce very much,
Therefore, the second set amount can be less than aforementioned first set amount, and occurrence can be in conjunction with depending on actual conditions.
Step S8 opens outlet valve, and concentrate is discharged.
After multiple sorting, outlet valve can be opened, the concentrate after sorting is discharged, at this point, acquired essence
The grade of mine compared with the prior art in once sort obtained by the grade of concentrate greatly improve.
Specifically, in above-mentioned steps S7, before the electric current in the step S4 that repeats by electromagnetism magnetic system 2 can be less than
Pass through the electric current of electromagnetism magnetic system 2 when primary execution step S4, that is to say, that the electric current passed through in electromagnetism magnetic system 2 when n-th sorts
The electric current passed through in electromagnetism magnetic system 2 when should be less than the N-1 times sorting, to be inhaled caused by electromagnetism magnetic system 2 by constantly cutting down
Attached power improves the grade of ore dressing.
In addition to this, in above-mentioned steps S7, when repeating the first setting time in step S3-S5, the second setting
Between, third setting time compared to preceding primary execution when can be reduced, that is to say, that n-th sort when sorting week
Distinguishing period when phase is compared to the N-1 times sorting can also be reduced.
It may be noted that the above-mentioned electric current by electromagnetism magnetic system 2 reduces, the scheme that distinguishing period shortens is of the invention real
The preferred embodiment of example is applied, it can not be as the restriction of the practical range to magnetic separation process provided by the present invention, specific real
Shi Shi can be set according to the actual situation by length of the current value of electromagnetism magnetic system 2, distinguishing period etc..
In addition, the provided magnetic separation process of the present embodiment is only for a kind of specific work for stirring magnetic separator in embodiment one
Skill process, can not be as the restriction to the concrete application method for stirring magnetic separator in embodiment one, in addition to the present embodiment
Outside used magnetic separation process, the stirring magnetic separator in embodiment one can also be operated using other techniques, for example, the
One driving assembly 4, the second driving assembly 5 can start simultaneously, alternatively, the first driving assembly 4, the second driving assembly 5 and electricity
Magnetic magnetic system 2 can start simultaneously.
The above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (11)
1. a kind of stirring magnetic separator characterized by comprising
Cylinder (1), upper part is equipped with inlet valve, lower part is equipped with outlet valve；
Electromagnetism magnetic system (2), including several electromagnets (21), each electromagnet (21) surround the cylinder (1) and arrange, and along week
Polarity to adjacent two electromagnet (21) is opposite；
Mixing component (3) is set in the cylinder (1)；
First driving assembly (4) and the second driving assembly (5), first driving assembly (4) and the mixing component (3) are driven
Connection, for driving the mixing component (3) to be rotated, second driving assembly (5) and the cylinder (1) transmission connect
It connects, for driving the cylinder (1) to be rotated.
2. stirring magnetic separator according to claim 1, which is characterized in that the mixing component (3) include agitating shaft (31) and
Be installed on several blades (32) of the agitating shaft (31), the agitating shaft (31) can stretch out the cylinder (1), and with it is described
First driving assembly (4) transmission connection；
It further include inner cylinder (6), the inner cylinder (6) is set in the cylinder (1), and is coated at the agitating shaft (31), at least
One blade (32) can stretch out from the lower openings (61) of the cylinder (1), and the top of the cylinder (1) is equipped with top
Opening.
3. stirring magnetic separator according to claim 2, which is characterized in that the quantity of the upper opening be it is multiple, it is each described
The circumferentially spaced peripheral wall for being set to the inner cylinder (6) of upper opening.
4. stirring magnetic separator according to claim 3, which is characterized in that it further include circulation pipe (62), the circulation pipe (62)
One end be installed on the upper opening, the other end is located at the outside of the inner cylinder (6), and the circulation pipe (62) is along far from institute
The direction for stating inner cylinder (6) is obliquely installed upward.
5. stirring magnetic separator according to claim 2, which is characterized in that further include inlet tube (7), the inlet valve is in and opens
It opens under state, the inlet tube (7) can extend into the inner cylinder (6), to be passed through ore pulp to be sorted into the cylinder (1).
6. magnetic separator is stirred described in any one of -5 according to claim 1, which is characterized in that further include bracket (8), the cylinder
(1), the electromagnetism magnetic system (2), first driving assembly (4) and second driving assembly (5) are mounted on the bracket
(8)。
7. stirring magnetic separator according to claim 6, which is characterized in that further include discharge funnel (9), the discharge funnel
(9) it is installed on the bracket (8), and is located at the lower section of the outlet valve；
The discharge funnel (9) includes isometrical section (91) and reducer tapered from top to bottom (92), isometrical section (91) with
The miner diameter end of the reducer (92) is connected.
8. stirring magnetic separator according to claim 7, which is characterized in that be equipped with switch valve (911) in isometrical section (91).
9. stirring magnetic separator according to claim 6, which is characterized in that the outlet valve is triple valve, has an import
Portion and two outlet portions, in two outlet portions, one is used for tailing disposal, another is for discharging concentrate.
10. a kind of magnetic separation process, which is characterized in that suitable for stirring magnetic separator as described in any one of claim 1-9, wrap
It includes:
The ore pulp to be sorted of the first set amount is added inside step S1, Xiang Suoshu cylinder (1)；
Step S2 starts first driving assembly (4), to drive the mixing component (3) to rotate；
Step S3, the first setting time after the step S2 start second driving assembly (5), to drive the cylinder
Body (1) rotation；
Step S4, the second setting time after the step S3 are powered for the electromagnetism magnetic system (2)；
Step S5, the third setting time after the step S4 shut down first driving assembly (4), second drive
Dynamic component (5), open the outlet valve, with tailing disposal；
Step S6 is again switched off the outlet valve after tailings discharging, disconnects the power supply of the electromagnetism magnetic system (2),
And the cleaning solution of the second set amount is added into the cylinder (1)；
Step S7 repeats step S2- step S6, and judges whether number of repetition is less than setting number, if it is not, executing step
S8；
Step S8 opens the outlet valve, and concentrate is discharged.
11. magnetic separation process according to claim 10, which is characterized in that in the step S7, the step that repeats
In rapid S4 by the electric current of the electromagnetism magnetic system (2) less than it is preceding once execute the step S4 when by the electromagnetism magnetic system (2)
Electric current.
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| CN1442232A (en) * | 2003-04-09 | 2003-09-17 | 昆明理工大学 | Rotary screw magnetic field magnetic separator |
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