CN209663492U - Electromagnetism wash mill concentration equipment - Google Patents
Electromagnetism wash mill concentration equipment Download PDFInfo
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- CN209663492U CN209663492U CN201920331098.7U CN201920331098U CN209663492U CN 209663492 U CN209663492 U CN 209663492U CN 201920331098 U CN201920331098 U CN 201920331098U CN 209663492 U CN209663492 U CN 209663492U
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- magnetic
- frequency
- field coil
- wash mill
- concentration equipment
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- 238000005406 washing Methods 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims description 2
- 239000012141 concentrate Substances 0.000 abstract description 46
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000000843 powder Substances 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 238000005096 rolling process Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000007885 magnetic separation Methods 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 3
- 239000006148 magnetic separator Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000010813 municipal solid waste Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses a kind of electromagnetism wash mill concentration equipments, concentration equipment includes: to be sheathed on the washing cylinder periphery of electromagnetism wash mill and along multiple field coils of washing cylinder axially spaced-apart setting, field coil includes holding together mine field coil and be located to hold together several travelling-magnetic-field coils below mine field coil positioned at top, hold together mine field coil and is passed through single-phase low-frequency ac, travelling-magnetic-field coil is passed through three-phase low-frequency ac, the mode of connection of travelling-magnetic-field coil is Y-shaped or " △ " shape connection, the frequency of low frequency ac is lower than 50Hz, position corresponding with mine field coil is held together is provided with reaction magnetic ring inside washing cylinder；The electromagnetism wash mill concentration equipment of the utility model can effectively prevent race mine, and concentrate grade is high, and good separation effect has a wide range of application.
Description
Technical field
The utility model relates to technical field of magnetic separation equipment, specifically, being related to a kind of electromagnetism wash mill concentration equipment.
Background technique
Currently, domestic magnetic concentration factory generallys use the magnetic plants such as drum magnetic separator, magnetic force sloughing-off tank.This kind of equipment
Magnetic field strength is higher, and magnetic field force is larger, acts on the powerful magnetic coagulation that sorts of magnetic iron ore.Therefore exist " magnetism is mingled with " and
The congenital disadvantage such as " non magnetic to be mingled with " seriously affects concentrate grade so that containing more gangue in concentrate.In addition, such magnetic
Optional equipment process flow is long and complicated, and middling cycle amount is excessive, and water resources consumption is high, and beneficiation cost is high.With instantly
Upgrading synergy, energy-saving Green Mine theory are runed counter to.It is mingled with to solve the magnetism of conventional magnetic plant with non magnetic, adopts
High-grade magnetite concentrate or ultrapure magnetite concentrate are obtained with cost-effective ore dressing means, for this purpose, each research institute does
A large amount of work, such as increases the number of poles of drum magnetic separator, improves the rolling number of concentrate powder, and the appropriate magnetic field for reducing concentrate end is strong
Degree adds flushing water, installation shaking device, pulsating field and Rotating field magnetic separator etc. unloading mine end weak magnetic area, but above-mentioned various
Method produces little effect to raising concentrate grade, therefore, develops a kind of upgrading synergy, energy-saving and environment-friendly magnetic plant, which becomes, works as
Preceding top priority.
Electromagnetism wash mill comes into being, and electromagnetism wash mill is a kind of efficient magnetic iron ore picking equipment, is magnetite separation
Factory proposes essence drop general labourer's journey and technique of preparing progress is made that contribution, creates biggish economic benefit.But traditional electromagnetism is eluriated
There are still following problems for machine:
In order to improve concentrate grade, usually using water consumption is increased, water velocity measure is improved, concentrate grade is promoted
While cause to run the serious problem of mine, and waste a large amount of water resource.For this purpose, pacifying on the top of the first pulsating field coil
The coil for being used to mine equipped with stationary magnetic field, it is only attached to the barrel of washing cylinder since the stationary magnetic field characteristic of the coil is limited
Close concentrate has suction-operated.The stationary magnetic field coil only has adsorption function due to the attribute question of DC power supply,
After concentrate powder is adsorbed, do not have the ability of rolling, therefore, inner inclusion can not be extruded, when the miberal powder being adsorbed reaches
When a certain amount of, part miberal powder is detached from magnetically confined, crashes into washing cylinder, non-inside iron powder due to not having rolling, rubbing function
Magnetism is mingled with also to be crashed into washing cylinder together, is damaged to the environment that sorts stable in cylinder, is led to the concentrate grade of output not
Stablize.Meanwhile the magnetic field of center is gradually successively decreased along barrel to cylinder, so that cylinder inner part region is as no magnetic region and weak magnetic
Area is that the microfine concentrate risen with water flow can not be adsorbed using magnetic field when water flow is bigger than normal for the region, therefore,
The stationary magnetic field coil acted under stable sorting environment it is very little, water flow or ore pulp amount fluctuation it is bigger than normal when, and rise not
To conclusive coal controlling, cause to run mine.
The power supply of electromagnetism wash mill uses direct current excitation, and by silicon-controlled alternate energisation, makes to generate alternating between coil
Pulsating field, for example, 1,3,5 coils simultaneously when being powered, form magnetic linkage positioned at concentrate powder herein, are in fixed magnetic field
Concentrate powder only forms magnetic linkage, and concentrate intergranular is relatively motionless, can not wash and be precipitated internal non magnetic field trash by rubbing with the hands, when power-off, magnetic
Chain disappears, and concentrate powder continues to sink, a part of microfine concentrate powder in the case where no magnetic field is adsorbed with ascending current in, it is thin
The nonmagnetics of grade discharges into tailing.2, when 4,6 coils are powered, concentrate powder is rotated by the state in the period of a upper magnetic field
180 °, magnetic linkage is formed again, the energization interval of two groups of coils interval time due to sorting environment difference is different, and approximate range is in 1-
Between 6 seconds, while realizing magnetic rolling effect in cycles, interval also results in a large amount of microfine concentrate powder without the magnetic sky window phase
It is thrown to tailing, causes the waste of vast resources.
Further, since earth's surface, underground, region is different, and ore properties is caused to have differences, and accordingly, there exist easy ore dressings and hardly possible
Point of ore dressing.For the difference of ore properties, the emphasis in each dressing plant is also different.In the premise that concentrate grade has been set
Under, mine is run in the control tail of easy ore dressing as much as possible, control.Difficult ore dressing as much as possible propose essence.Due to the difference of ore properties,
The emphasis for causing ore dressing is different, different emphasis, causes wash mill that must have big flux control range and therewith
Matched rolling number and rubbing function, however, the flux control narrow range of Traditional DC electromagnetism wash mill, does not have and wash function by rubbing with the hands
Can, it is not able to satisfy the huge ore of difference and sorts requirement, mineral processing index is caused to be unable to satisfy customer requirement.
Summary of the invention
In view of this, the technical problem to be solved by the utility model is to provide a kind of concentrate grade height, good separation effect
Electromagnetism wash mill concentration equipment.
In order to solve the above technical problems, the technical solution of the utility model is: electromagnetism wash mill concentration equipment, the magnetic separation
Device includes: to be sheathed on the washing cylinder periphery of the electromagnetism wash mill and along multiple magnetic of washing cylinder axially spaced-apart setting
Field coil, the field coil are passed through low frequency ac.
Wherein, the field coil include positioned at top hold together mine field coil and positioned at it is described hold together mine field coil below
Several travelling-magnetic-field coils.
Wherein, it is described hold together mine field coil be passed through single-phase low-frequency ac, several described travelling-magnetic-field coils are passed through three
Phase low frequency ac.
Wherein, the frequency of the three-phase low-frequency ac is lower than 50Hz, and the frequency of the single-phase low-frequency ac is lower than
50Hz。
Wherein, the frequency range of the three-phase low-frequency ac is in 0.1-20Hz, the frequency of the single-phase low-frequency ac
Range is in 0.1-20Hz.
Wherein, the mode of connection of several travelling-magnetic-field coils is Y-shaped connection, or " △ " shape connection.
Wherein, the concentration equipment further include: reaction magnetic ring, the reaction magnetic ring are set to inside the washing cylinder, and
And with it is described hold together the position of mine field coil it is corresponding.
Wherein, the reaction magnetic ring includes: the multiple beckets for being nested together and being arranged concentrically, adjacent becket it
Between it is spaced, the interval is provided with the reinforcing rib for being fixedly connected with adjacent metal ring, the adjacent becket, the reinforcement
Muscle surrounds magnet ring channel jointly.
Wherein, the axial section of the reaction magnetic ring is in shuttle shape.
Wherein, the reaction magnetic ring is made of high permeability material.
After above-mentioned technical proposal, the beneficial effects of the utility model are as follows:
What is be passed through due to the field coil of the electromagnetism wash mill concentration equipment of the utility model is low frequency ac, magnetic field line
When circle is powered, the concentrate powder being in alternating magnetic field not only forms magnetic linkage, and concentrate intergranular can relative motion, have and turn over
Turn, rubbing function, so that internal non magnetic field trash be precipitated, improves concentrate grade, good separation effect；Meanwhile compared to
Direct current alternate energisation mode, using low-frequency ac power supply mode excitation, there is no no magnetic sky window phases, avoid a large amount of microfines
Concentrate powder is thrown to tailing, and the wasting of resources is avoided.
Since the frequency of low frequency ac is lower than the frequency 50Hz of industrial-frequency alternating current, during magnetic separation, so that concentrate grain exists
There is time enough to put to enough amplitudes of oscillation under a certain rollover states, has been created for the non magnetic field trash inside being thoroughly precipitated
Sharp condition.For different ore attributes, desired rolling number can be reached by frequency modulation and washes number by rubbing with the hands, thus more efficient
Controllable raising concentrate grade and concentrate yield.
Since the mode of connection of travelling-magnetic-field coil is Y-shaped connection, or " △ " shape connection；Y-shaped connection can make
Travelling-magnetic-field coil obtains high exciting current and high magnetic field intensity, meets the requirement of middle and high magnetic field ore dressing；" △ " shape connection can be with
So that travelling-magnetic-field coil is obtained low exciting current and low magnetic field intensity, meets the requirement of low-intensity magnetic field ore dressing；It is flexible in application, it is applicable in model
It encloses extensively, is able to satisfy the huge ore of difference and sorts requirement.
Since position corresponding with mine field coil is held together is provided with reaction magnetic ring inside washing cylinder, hold together the energization of mine field coil
Afterwards, magnetic field induction improves the magnetic field force around mineral-feeding pipe outer wall, solves because of water flow on the reaction magnetic ring inside washing cylinder
Or ore pulp fluctuation is bigger than normal, causes the problem of running mine along mineral-feeding pipe outer wall.Meanwhile there is periodic low frequency ac to be passed through mine
Field coil, so that the concentrate powder being adsorbed on reaction magnetic ring while being adsorbed by reaction magnetic ring, also has both periodical earth magnetism
Rolling, in addition the phase mutual friction between concentrate powder, wash by rubbing with the hands, make to be mixed in the non magnetic mine in concentrate powder and constantly squeeze out, be raised water
Stream is taken out of, tends to be steady with water supply, to mine, and the concentrate powder being adsorbed on reaction magnetic ring the more is inhaled the more more, when reaching a certain amount of, portion
Point concentrate powder is sunk to again in washing cylinder, due to the relationship of low-frequency ac excitation field characteristic, the essence that is adsorbed on reaction magnetic ring
Miberal powder has magnetic rolling, friction, rubbing function, so that the miberal powder for crashing into washing cylinder loses the non magnetic condition being mingled with, therefore,
It sorts environment to stable in cylinder and will not damage, so that concentrate grade is more stable.
Since the axial section of reaction magnetic ring is in shuttle shape, the height of becket is higher and higher from outer ring to inner ring, and area is got over
Come bigger, the outer ring becket close to washing barrel can be made to more easily reach magnetic saturation state, and will not be to inner ring metal
Ring, which forms magnetic field, to be stopped, and such structure is conducive to being evenly distributed with for magnetic field, so that magnetic field forms magnetic curtain, Du in this region of reaction magnetic ring
Absolutely tool it is magnetic in, rich intergrowth and monomer concentrate escaped to tailing by weak magnetic area, cause to run mine.
Detailed description of the invention
Fig. 1 is the electromagnetism wash mill schematic diagram using the concentration equipment of the utility model embodiment；
Fig. 2 is the travelling-magnetic-field coil Y-shaped wiring diagram in Fig. 1；
Fig. 3 is the circuit diagram of Fig. 2；
Fig. 4 is travelling-magnetic-field coil " △ " shape wiring diagram in Fig. 1；
Fig. 5 is Fig. 4 circuit diagram；
Fig. 6 is the top view of reaction magnetic ring in Fig. 1；
Fig. 7 is A-A cross-sectional view in Fig. 6；
In figure: 1- washing cylinder；2- overflow mechanism；3- mine-feeding equipment；31- mineral-feeding pipe；4- reaction magnetic ring；41- becket；
42- reinforcing rib；5- concentrate cone cylinder；51- concentrate mouth；52- valve；7- water jacket；8- insulation board；9- travelling-magnetic-field coil；9a- first
Travelling-magnetic-field coil；9b- the second travelling-magnetic-field coil；9c- third traveling wave field coil；9d- fourth line wave field coil；9e-
Fifth line wave field coil；The 6th travelling-magnetic-field coil of 9f-；10- mica paper；11- holds together mine field coil；12- shield；13-
Terminal box.
Specific embodiment
Further details of non-limitative illustration is made to the utility model with reference to the accompanying drawings and examples.
As shown in Figure 1, the electromagnetism wash mill in the utility model embodiment includes: washing cylinder 1, the welding of 1 bottom of washing cylinder
It is fixed with concentrate cone cylinder 5, the lower end of concentrate cone cylinder 5 is provided with concentrate mouth 51, and the valve for adjusting ore discharge is equipped at concentrate mouth 51
52；Overflow mechanism 2 is provided at the top of washing cylinder 1；The mine-feeding equipment 3 protruded into inside washing cylinder 1 is installed on overflow mechanism 2, is given
Mine device 3 includes mineral-feeding pipe 31；The water supply device to 1 private water supply of washing cylinder is provided with outside washing cylinder 1, water supply device includes
The water jacket 7 that ring is placed in 5 outer wall of concentrate cone cylinder and is connected with 5 inner cavity of concentrate cone cylinder；The periphery of washing cylinder 1 is provided with magnetic separation dress
It sets, concentration equipment includes being sheathed on 1 periphery of washing cylinder and along washing cylinder 1 axially through the spaced multiple magnetic of insulation board 8
Field coil, field coil is annular in shape, and inner ring is close to 1 outer wall area of washing cylinder, and the mica paper 10 for being provided with tubular is done
Insulator is set with cylindric shield 12 outside field coil, is fixed with terminal box 13 outside shield 12, field coil with connect
The connection of wire box 13 is passed through low frequency ac.
Wherein, field coil includes the row for holding together mine field coil 11 and be located to hold together 11 lower section of mine field coil positioned at top
Wave field coil 9.
Wherein, travelling-magnetic-field coil 9 includes several equidistantly uniformly distributed coils, is successively identified as the first traveling wave from up to down
Field coil 9a, the second travelling-magnetic-field coil 9b, third traveling wave field coil 9c, fourth line wave field coil 9d, fifth line wave
Field coil 9e, the 6th travelling-magnetic-field coil 9f.
Wherein, travelling-magnetic-field coil 9 is passed through three-phase low-frequency ac, holds together mine field coil 11 and is passed through single-phase low-frequency ac
Electricity.Also, the frequency of three-phase low-frequency ac is lower than 50Hz, and the frequency of single-phase low-frequency ac is lower than 50Hz, i.e., is all lower than work
The frequency of frequency alternating current.The frequency range of preferred triple-phase low frequency ac is in 0.1-20Hz, the frequency model of single-phase low-frequency ac
It is trapped among 0.1-20Hz.
As shown in Figures 2 and 3, wherein the mode of connection of several travelling-magnetic-field coils is Y-shaped connection, it may be assumed that the first row
Wave field coil 9a is concatenated with fourth line wave field coil 9d, and one end connects phase line U, another to be connected to common node；Second row
Wave field coil 9b is concatenated with fifth line wave field coil 9e, and one end connects phase line V, another to be connected to common node；The third line
Wave field coil 9c is concatenated with the 6th travelling-magnetic-field coil 9f, and one end connects phase line W, another to be connected to common node.Using " Y "
Shape connection can make travelling-magnetic-field coil obtain high exciting current and high magnetic field intensity, meet the requirement of middle and high magnetic field ore dressing.
As shown in Figure 4 and Figure 5, wherein the mode of connection of several travelling-magnetic-field coils can also use " △ " shape connection,
That is: the first traveling wave field coil 9a, the second travelling-magnetic-field coil 9b, third traveling wave field coil 9c, fourth line wave field coil
9d, fifth line wave field coil 9e, the connection of the 6th travelling-magnetic-field first place coil 9f, the first traveling wave field coil 9a and the 6th traveling wave
The node of field coil 9f connects phase line W, and the second travelling-magnetic-field coil 9b connect phase with the node of third traveling wave field coil 9c
Line U, fourth line wave field coil 9d connect phase line V with the node of fifth line wave field coil 9e.It, can be with using " △ " shape connection
So that travelling-magnetic-field coil is obtained low exciting current and low magnetic field intensity, meets the requirement of low-intensity magnetic field ore dressing.
As shown in Figure 1, wherein concentration equipment further include: be set to 1 inside of washing cylinder and made of high permeability material
Reaction magnetic ring 4, such as electrical pure iron or Q235A material, reaction magnetic ring 4 are sleeved on the mineral-feeding pipe 31 of mine-feeding equipment 3, and with
The position for holding together mine field coil 11 is corresponding.Best way is the horizontal axis of reaction magnetic ring 4 and the level for holding together mine field coil 11
Axis is overlapped.
As shown in Figure 6 and Figure 7, wherein reaction magnetic ring 4 includes: the multiple beckets 41 for being nested together and being arranged concentrically,
Spaced between adjacent becket 41, interval is provided with the reinforcing rib 42 for being welded to connect adjacent metal ring 41, adjacent
Magnet ring channel is surrounded jointly between becket 41, adjacent reinforcing rib 42.Wherein, the becket 41 of innermost layer and mineral-feeding pipe 31 are solid
It is fixed.
Wherein, the axial section of reaction magnetic ring 4 is in shuttle shape, the height of becket 41 higher and higher, face from outer ring to inner ring
Product is increasing, the outer ring becket close to washing barrel can be made to more easily reach magnetic saturation state, and will not be to inner ring
Metal ring stops at magnetic field, is conducive to being evenly distributed with for magnetic field, so that magnetic field forms magnetic curtain in this region of reaction magnetic ring 4, prevents
During tool is magnetic, rich intergrowth and monomer concentrate escaped to tailing by weak magnetic area, cause to run mine.
Claims (9)
1. electromagnetism wash mill concentration equipment, the concentration equipment includes: to be sheathed on the washing cylinder periphery of the electromagnetism wash mill simultaneously
And along multiple field coils of washing cylinder axially spaced-apart setting, which is characterized in that the field coil is passed through low-frequency ac
Electricity.
2. electromagnetism wash mill concentration equipment as described in claim 1, which is characterized in that the field coil includes being located at top
Hold together mine field coil and positioned at it is described hold together mine field coil below several travelling-magnetic-field coils.
3. electromagnetism wash mill concentration equipment as claimed in claim 2, which is characterized in that it is described hold together mine field coil be passed through it is single-phase
Low frequency ac, several described travelling-magnetic-field coils are passed through three-phase low-frequency ac.
4. electromagnetism wash mill concentration equipment as claimed in claim 3, which is characterized in that the frequency of the three-phase low-frequency ac
Lower than 50Hz, the frequency of the single-phase low-frequency ac is lower than 50Hz.
5. electromagnetism wash mill concentration equipment as claimed in claim 4, which is characterized in that the frequency of the three-phase low-frequency ac
Range is in 0.1-20Hz, and the frequency range of the single-phase low-frequency ac is in 0.1-20Hz.
6. electromagnetism wash mill concentration equipment as claimed in claim 3, which is characterized in that several travelling-magnetic-field coils
The mode of connection is Y-shaped connection, or " △ " shape connection.
7. electromagnetism wash mill concentration equipment as claimed in claim 2, which is characterized in that the concentration equipment further include: induction
Magnet ring, the reaction magnetic ring are set to inside the washing cylinder, and with it is described hold together the position of mine field coil it is corresponding.
8. electromagnetism wash mill concentration equipment as claimed in claim 7, which is characterized in that the reaction magnetic ring includes: to cover one
It rises and multiple beckets for being arranged concentrically, spaced between adjacent becket, the interval, which is provided with, to be fixedly connected
The reinforcing rib of adjacent metal ring, the adjacent becket, the reinforcing rib surround magnet ring channel jointly；The metal of innermost layer
The mineral-feeding pipe of ring and the electromagnetism wash mill is fixed.
9. electromagnetism wash mill concentration equipment as claimed in claim 8, which is characterized in that the axial section of the reaction magnetic ring is in
Shuttle shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920331098.7U CN209663492U (en) | 2019-03-15 | 2019-03-15 | Electromagnetism wash mill concentration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920331098.7U CN209663492U (en) | 2019-03-15 | 2019-03-15 | Electromagnetism wash mill concentration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209663492U true CN209663492U (en) | 2019-11-22 |
Family
ID=68571684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920331098.7U Active CN209663492U (en) | 2019-03-15 | 2019-03-15 | Electromagnetism wash mill concentration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209663492U (en) |
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2019
- 2019-03-15 CN CN201920331098.7U patent/CN209663492U/en active Active
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