CN110339942A - A kind of multi-functional magnetic separator of inner tube type suitable for oxide ore pre-selecting before grinding - Google Patents
A kind of multi-functional magnetic separator of inner tube type suitable for oxide ore pre-selecting before grinding Download PDFInfo
- Publication number
- CN110339942A CN110339942A CN201910567218.8A CN201910567218A CN110339942A CN 110339942 A CN110339942 A CN 110339942A CN 201910567218 A CN201910567218 A CN 201910567218A CN 110339942 A CN110339942 A CN 110339942A
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- China
- Prior art keywords
- roller
- concentrate
- magnetic system
- magnetic
- collecting trough
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000006148 magnetic separator Substances 0.000 title claims abstract description 29
- 238000000227 grinding Methods 0.000 title claims abstract description 24
- 239000012141 concentrate Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000005065 mining Methods 0.000 claims abstract description 29
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 26
- 239000011707 mineral Substances 0.000 claims abstract description 26
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 12
- 238000012216 screening Methods 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 229910052742 iron Inorganic materials 0.000 abstract description 6
- 238000007885 magnetic separation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
- B03C1/14—Magnetic separation acting directly on the substance being separated with cylindrical material carriers with non-movable magnets
-
- 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
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
Abstract
The invention discloses a kind of multi-functional magnetic separators of the inner tube type suitable for oxide ore pre-selecting before grinding, it includes the roller with driving device, drum sieve, concentrate bucket and unload mineral water pipe, the roller is equipped with to mine chute into mine end and is mounted on bearing block by rolling bearing, side is equipped with magnetic system, ore removal end is mounted on roller rack by carrying roller, the drum sieve is docked with roller rear end, the lower part of drum sieve is equipped with tailing mining collecting trough, concentrate mining collecting trough is equipped with below rear end, the concentrate bucket and unload mineral water pipe protrude into drums inside and with roller mutually from, mineral water pipe is unloaded to be located above concentrate bucket, the discharge gate of concentrate bucket is opposite with concentrate mining collecting trough.The present invention is additionally arranged drum sieve at the ore removal end of roller, so that magnetic separator is not only had the function of magnetic separation, but also can recycle to the higher ore of grade in tailing.The magnetic separator can effectively sort iron ore without configuring individual screening system, to reduce equipment investment and energy consumption, reduce beneficiation cost.
Description
Technical field
The present invention relates to a kind of suitable for oxide ore pre-selecting before grinding, there is the internal cylinder type magnetic separating machine of screening recycling function,
Belong to magnetic separation technique field.
Background technique
During iron ore sorts, ore grinding is energy consumption highest, accounts for the maximum link of production cost, thus improve into
Head grade is ground, grinding machine handling capacity is increased, is one of the main path for reducing production cost.Currently, wet type pre-selecting before grinding
For magnetic separator using relatively broad, sorting result is also ideal, enters to grind grade and grinding machine handling capacity is all significantly improved, but
When sorting oxide ore using common drum magnetic separator, coarse grain diameter (+6mm) grade is higher in tailing, is not suitable for directly throwing tail, must increase
If additional screening system sieves tailing, upper high-grade coarse fraction ore recuperation then will be sieved, sieves lower fine fraction object
Material enters Tailings System.But increasing screening system will definitely increase equipment investment and energy consumption, so that it is substantially increased production cost,
And increases equipment and need biggish place and height difference, existing in characteristics of compact layout that factory is selected to be difficult to realize.In addition, existing roller
Formula magnetic separator is typically all to use built-in magnetic system, sorts that area is small, sorts with short, and processing capacity is poor, and quality is biggish
Magnetic system is built in the canonical loading that also will increase roller in roller, and then cylinder magnetic separator is caused to be difficult to realize large.
Summary of the invention
It is a kind of suitable for oxide ore pre-selecting before grinding it is an object of the invention to aiming at the disadvantages of the prior art, provide, tool
Have the multi-functional magnetic separator of the inner tube type of screening function, meet iron ore sorting require while, reduce equipment investment, reduce life
Produce cost.
Problem of the present invention is realized with following technical proposals:
A kind of inner tube type suitable for oxide ore pre-selecting before grinding multi-functional magnetic separator includes the rolling with driving device in composition
Cylinder, drum sieve, concentrate bucket and mineral water pipe is unloaded, the roller is equipped with to mine chute into mine end and is mounted on axis by rolling bearing
It holds on seat, side is equipped with magnetic system, and ore removal end is mounted on roller rack by carrying roller, and the drum sieve is docked with roller rear end,
The lower part of drum sieve is equipped with tailing mining collecting trough, is equipped with concentrate mining collecting trough below rear end, the concentrate bucket and unloads mineral water pipe and protrudes into rolling
Cylinder it is internal and with roller mutually from unloading mineral water pipe and be located at concentrate bucket top, the discharge gate of concentrate bucket is opposite with concentrate mining collecting trough.
The above-mentioned multi-functional magnetic separator of inner tube type suitable for oxide ore pre-selecting before grinding, the magnetic system include roughing magnetic system and sweep
Select magnetic system, the roughing magnetic system and scan magnetic system and be fixed below the outer side of roller, roughing magnetic system be located at roller into mine end,
It scans magnetic system to be located at after roughing magnetic system, the magnetic field strength for scanning magnetic system is higher than the magnetic field strength of roughing magnetic system.
The above-mentioned multi-functional magnetic separator of inner tube type suitable for oxide ore pre-selecting before grinding, the driving device of the roller include electricity
Machine, speed reducer, gear ring, gear, for the gear ring coaxial package on roller, the motor and speed reducer is fixed on roller side
On support, the input shaft of speed reducer and the output axis connection of motor, the gear is fixed on the output shaft of speed reducer and and tooth
Circle engagement.
The outside of the above-mentioned multi-functional magnetic separator of inner tube type suitable for oxide ore pre-selecting before grinding, the roller is equipped with box shield
Cover, the bearing block, roller rack, to mine chute, concentrate bucket, concentrate mining collecting trough, to unload mineral water pipe, tailing mining collecting trough, magnetic system equal
Be fixed on the crossbeam of box shield, box shield front end there are with to the corresponding feed port of mine chute and with unload mineral water pipe phase
Corresponding flushing water interface, there are concentrate mouths corresponding with concentrate mining collecting trough and corresponding with tailing mining collecting trough for rear end bottom
Tailing mouth.
The inner wall of the above-mentioned multi-functional magnetic separator of inner tube type suitable for oxide ore pre-selecting before grinding, the drum sieve is equipped with water conservancy diversion
Flight, outer wall are equipped with sieve plate reinforcing rib.
The above-mentioned multi-functional magnetic separator of inner tube type suitable for oxide ore pre-selecting before grinding, the middle part of the roller and drum sieve
Rear end is equipped with roller reinforcing rib.
The above-mentioned multi-functional magnetic separator of inner tube type suitable for oxide ore pre-selecting before grinding, passes through between the roller and drum sieve
Ring flange connection.
The present invention is additionally arranged drum sieve at the ore removal end of roller, so that magnetic separator is not only had the function of magnetic separation, but also can be to tailing
The middle higher ore of grade is recycled.The magnetic separator can effectively divide iron ore without configuring individual screening system
Choosing, to reduce equipment investment and energy consumption, saves occupation area of equipment, reduces beneficiation cost.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the A-A cross-sectional view of Fig. 1；
Fig. 4 is the B-B cross-sectional view of Fig. 1；
It is marked in figure as follows: 1, roller, 2, rotation axis, 3, rolling bearing, 4, bearing block, 5, motor, 6, speed reducer, 7, support,
8, gear ring, 9, gear, 10, carrying roller, 11, roller rack, 12, drum sieve, 13, roller reinforcing rib, 14, ring flange, 15, sieve plate adds
Strengthening tendons, 16, water conservancy diversion flight, 17, give mine chute, 18, concentrate bucket, 19, concentrate mining collecting trough, 20, unload mineral water pipe, 21, tailing collection
Mine slot, 22, roughing magnetic system, 23, scan magnetic system, 24, the magnetic blade of a sword, 25, magnetic system bracket, 26, box shield.
Specific embodiment
Have the function of screening recycling, suitable for the internal cylinder type magnetic separating machine of oxide ore pre-selecting before grinding the present invention provides a kind of,
This magnetic separator sorts that area is big, and separate unit processing capacity is big, and has screening function, and it is higher that grade in tailing both can be recycled
Coarse fraction ore improves the rate of recovery, reduces the existing transformation difficulty for selecting factory to increase the preceding wet type pre-selecting system of mill, and because eliminating list
Only screening process and reduce energy consumption, to reduce beneficiation cost.
Referring to FIG. 1 to FIG. 4, the invention mainly comprises roller 1, rolling bearing 3, bearing block 4, motor 5, speed reducers 6, support
7, gear ring 8, gear 9, carrying roller 10, roller rack 11, drum sieve 12, roller reinforcing rib 13, ring flange 14, sieve plate reinforcing rib 15,
Water conservancy diversion flight 16, to mine chute 17, concentrate bucket 18, concentrate mining collecting trough 19, unload mineral water pipe 20, tailing mining collecting trough 21, roughing magnetic
It is 22, scans magnetic system 23 and box shield 26.
Structure of the invention differs widely with existing magnetic separator, 1 rear end of roller installed additional a cylindrical section sieve 12, roller 1 with
It is connected between drum sieve 12 by ring flange 14.The front end (i.e. into mine end) of roller 1 and rear end (i.e. ore removal end) are respectively by rotating
Bearing 3 and carrying roller 10 support, and rolling bearing 3 and carrying roller 10 are separately mounted on bearing block 4 and roller rack 11,1 middle part of roller
And 12 rear end of drum sieve is respectively arranged with roller reinforcing rib 13,12 screen size of drum sieve can be adjusted according to test result, drum sieve 12
Outside is equipped with sieve plate reinforcing rib 15, and inside is equipped with water conservancy diversion flight 16.
Rack gear 8 is set on 1 front end circumference of roller, gear ring 8 is meshed with gear 9, gear 9 and 5 phase of speed reducer 6 and motor
Connection to mine chute 17 and unloads mineral water pipe 20 out of, roller 1 is protruded into the front end of roller 1 cylinder, in the lower section for unloading mineral water pipe 20
There is concentrate bucket 18, the discharge end of concentrate bucket 18 is stretched out from the rear end of drum sieve 12, to mine chute 17, unloads mineral water pipe 20, concentrate bucket
18 are supported on the crossbeam of box shield 26, tailing mining collecting trough 21 are equipped with below drum sieve 12, rear end lower is equipped with concentrate
Mining collecting trough 19, two mining collecting troughs are also mounted on the crossbeam of box shield 26.Unload the length of mineral water pipe 20 and the length phase of magnetic system
Matching, 21 width of tailing mining collecting trough and sieve plate are of same size.
Magnetic system is set to outside roller 1 by the present invention, and will unload mineral water pipe 20 and concentrate bucket 18 is placed in roller 1.Magnetic system packet
It includes and roughing magnetic system 22 and scans magnetic system 23, they are mutually indepedent, roughing magnetic system 22 and scan the outer side that magnetic system 23 is located at roller 1
It lower section and is fixed on the crossbeam of box 26 bottom of shield by magnetic system bracket 25, the two is arranged along the length direction of roller 1, slightly
Select magnetic system 22 be located at roller 1 into mine end, scan after magnetic system 23 is located at roughing magnetic system, scan magnetic system 23 magnetic field strength be higher than it is thick
Select the magnetic field strength of magnetic system 22.
The present invention in addition to motor 5, retarder 6 and bracket 7, gone along with sb. to guard him by box shield 26 by all components, bearing block 4, support
Roller support 11, to mine chute 17, concentrate bucket 18, concentrate mining collecting trough 19, unload mineral water pipe 20, tailing mining collecting trough 21, magnetic system bracket 25
Equal components are installed on the crossbeam of box shield 26, and there are flushing water interface, feed port, rear end bottoms for box 26 front end of shield
There are concentrate mouth and tailing mouths.
Workflow: after motor 5 is powered, speed reducer 6 is rotated with, and speed reducer 6 drives rolling by gear 9 and gear ring 8
Cylinder 1 and drum sieve 12 rotate, and mineral aggregate to mine chute 17 by feeding in roller 1, with the rotation of roller 1, with magnetic iron ore
Particle can be adsorbed on 1 inner wall of roller under the effect of roughing magnetic system 22, when turning to the above position of magnetic system, since magnetic force disappears
In addition it unloads the ejection of mineral water pipe 20 and unloads mineral water effect, magnetic iron ore can be rushed in concentrate bucket 18 by water, and the tailing Jing Guo roughing can be certainly
It flowing to and scans the opposite position of magnetic system 23, the magnetic field strength due to scanning magnetic system 23 is much higher than the magnetic field strength of roughing magnetic system 22,
To which the weak magnetic mineral in rougher tailings is scanned magnetic system 23 and sorted out, it is flushed into concentrate bucket 18 by unloading mineral water, slightly
Concentrate selection and scavenger concentrate do not have magnetic tailing that can flow automatically at drum sieve 12 by the entrance concentrate mining collecting trough 19 of concentrate bucket 18,
It is sieved under the guide functions of water conservancy diversion flight 16, the higher coarse fraction ore of grade flows into concentrate mining collecting trough 19 on sieve
It is interior, it is mixed with concentrate in concentrate bucket 18, box shield 26 is discharged from concentrate mouth, sieved lower fine fraction ore pulp and enter tailing mining collecting trough
21, box shield 26 is discharged from tailing mouth, into Tailings System.
Magnetic system of the invention is placed on cylindrical outer, and the active area and intensity of magnetic system can increase, and can also solve magnetic
The support problem of system is advantageous to improve recovery rate of concentrate and controls tailings grade, avoids magnetic system quality to canonical loading
It influences, therefore the large of cylinder magnetic separator may be implemented, greatly promote the separate unit processing capacity to ore, meet big rule
The needs of mould production.It installs drum sieve after roller additional, tailing can be sieved, recycle high-grade coarse fraction tailing, improve
The rate of recovery had not only solved the problems, such as that configuration was difficult when oxide ore grinds preceding wet type pre-selecting, but also energy because eliminating individually screening process
Energy consumption is reduced, thereby reduces beneficiation cost, the present invention provides completely new thinking for oxide ore wet type pre-selecting, is worthy to be popularized and answers
With.
Claims (7)
1. a kind of multi-functional magnetic separator of inner tube type suitable for oxide ore pre-selecting before grinding, which is characterized in that include having in composition
It the roller (1) of driving device, drum sieve (12), concentrate bucket (18) and unloads mineral water pipe (20), the roller (1) is equipped with into mine end
It is mounted on bearing block (4) to mine chute (17) and by rolling bearing (3), side is equipped with magnetic system, and ore removal end passes through carrying roller
(10) it is mounted on roller rack (11), the drum sieve (12) is docked with roller (1) rear end, and the lower part of drum sieve (12) is equipped with
Tailing mining collecting trough (21) is equipped with concentrate mining collecting trough (19) below rear end, the concentrate bucket (18) and unloads mineral water pipe (20) and protrudes into rolling
Cylinder (1) it is internal and with roller (1) mutually from, unload mineral water pipe (20) and be located above concentrate bucket (18), the discharge gate of concentrate bucket (18) and
Concentrate mining collecting trough (19) is opposite.
2. the inner tube type multi-functional magnetic separator according to claim 1 suitable for oxide ore pre-selecting before grinding, which is characterized in that
The magnetic system includes roughing magnetic system (22) and scans magnetic system (23), the roughing magnetic system (22) and scans magnetic system (23) and is fixed on rolling
Cylinder (1) outer side below, roughing magnetic system (22) be located at roller (1) into mine end, scan magnetic system (23) and be located at roughing magnetic system
(22) after, the magnetic field strength for scanning magnetic system (23) is higher than the magnetic field strength of roughing magnetic system (22).
3. the inner tube type multi-functional magnetic separator according to claim 1 or 2 suitable for oxide ore pre-selecting before grinding, feature exist
In the driving device of the roller (1) includes motor (5), speed reducer (6), gear ring (8), gear (9), and the gear ring (8) is coaxial
It is sleeved on roller (1), the motor (5) and speed reducer (6) are fixed on the support (7) of roller (1) side, speed reducer (6)
Input shaft and motor (5) output axis connection, the gear (9) be fixed on the output shaft of speed reducer (6) and with gear ring (8)
Engagement.
4. the inner tube type multi-functional magnetic separator according to claim 3 suitable for oxide ore pre-selecting before grinding, which is characterized in that
The outside of the roller (1) is equipped with box shield (26), and the bearing block (4), roller rack (11) give mine chute (17), essence
Ore bucket (18), concentrate mining collecting trough (19) unload mineral water pipe (20), tailing mining collecting trough (21), magnetic system and are each attached to box shield (26)
Crossbeam on, there are opposite with to mine chute (17) corresponding feed port and with mineral water pipe (20) is unloaded for box shield (26) front end
The flushing water interface answered, rear end bottom there are concentrate mouth corresponding with concentrate mining collecting trough (19) and with tailing mining collecting trough (21) phase
Corresponding tailing mouth.
5. the inner tube type multi-functional magnetic separator according to claim 4 suitable for oxide ore pre-selecting before grinding, which is characterized in that
The inner wall of the drum sieve (12) is equipped with water conservancy diversion flight (16), and outer wall is equipped with sieve plate reinforcing rib (15).
6. the inner tube type multi-functional magnetic separator according to claim 5 suitable for oxide ore pre-selecting before grinding, which is characterized in that
The middle part of the roller (1) and the rear end of drum sieve (12) are equipped with roller reinforcing rib (13).
7. the inner tube type multi-functional magnetic separator according to claim 6 suitable for oxide ore pre-selecting before grinding, which is characterized in that
It is connect between the roller (1) and drum sieve (12) by ring flange (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910567218.8A CN110339942A (en) | 2019-06-27 | 2019-06-27 | A kind of multi-functional magnetic separator of inner tube type suitable for oxide ore pre-selecting before grinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910567218.8A CN110339942A (en) | 2019-06-27 | 2019-06-27 | A kind of multi-functional magnetic separator of inner tube type suitable for oxide ore pre-selecting before grinding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110339942A true CN110339942A (en) | 2019-10-18 |
Family
ID=68176708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910567218.8A Pending CN110339942A (en) | 2019-06-27 | 2019-06-27 | A kind of multi-functional magnetic separator of inner tube type suitable for oxide ore pre-selecting before grinding |
Country Status (1)
| Country | Link |
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| CN (1) | CN110339942A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056027A (en) * | 2013-01-11 | 2013-04-24 | 武汉理工大学 | Substance separating sieve |
| CN104907167A (en) * | 2015-05-08 | 2015-09-16 | 河北钢铁集团矿业有限公司 | Cylinder magnetic separator with roughing and scavenging functions |
| CN205217118U (en) * | 2015-12-09 | 2016-05-11 | 河北钢铁集团矿业有限公司 | Preliminary election machine before grind with dry -type in mine |
| CN210632279U (en) * | 2019-06-27 | 2020-05-29 | 河北钢铁集团矿业有限公司 | Inner-barrel type multifunctional magnetic separator suitable for preselection before oxide ore grinding |
-
2019
- 2019-06-27 CN CN201910567218.8A patent/CN110339942A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056027A (en) * | 2013-01-11 | 2013-04-24 | 武汉理工大学 | Substance separating sieve |
| CN104907167A (en) * | 2015-05-08 | 2015-09-16 | 河北钢铁集团矿业有限公司 | Cylinder magnetic separator with roughing and scavenging functions |
| CN205217118U (en) * | 2015-12-09 | 2016-05-11 | 河北钢铁集团矿业有限公司 | Preliminary election machine before grind with dry -type in mine |
| CN210632279U (en) * | 2019-06-27 | 2020-05-29 | 河北钢铁集团矿业有限公司 | Inner-barrel type multifunctional magnetic separator suitable for preselection before oxide ore grinding |
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