CN114018676A - Magnetic separation device for separating magnetic iron in iron ore and use method thereof - Google Patents
Magnetic separation device for separating magnetic iron in iron ore and use method thereof Download PDFInfo
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- CN114018676A CN114018676A CN202111159602.8A CN202111159602A CN114018676A CN 114018676 A CN114018676 A CN 114018676A CN 202111159602 A CN202111159602 A CN 202111159602A CN 114018676 A CN114018676 A CN 114018676A
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- magnetic separation
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 238000007885 magnetic separation Methods 0.000 title claims abstract description 100
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000003068 static effect Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 17
- 239000011707 mineral Substances 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 10
- 239000006148 magnetic separator Substances 0.000 abstract description 8
- 238000004458 analytical method Methods 0.000 description 6
- 238000002386 leaching Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a magnetic separation device for separating magnetic iron in iron ore and a use method thereof, wherein the magnetic separation device comprises the following steps: a driving disk driven by a motor; the driven disc is in transmission connection with the driving disc through a conveying belt; the fixed disk is eccentrically arranged in the driven disk and internally tangent to one side of the driven disk, which is far away from the driving disk; the rotary disc is arranged on the fixed disc, and the surface of the rotary disc is uniformly provided with a plurality of round holes positioned on the same circumferential surface; the rotating end of the circuit rotating connector is arranged in the round hole; one end of the cylindrical electromagnet is connected with the static end of the circuit rotating connector; a cuvette for receiving the cylindrical electromagnet; a beaker for holding a test tube. The method has the advantages that the single magnetic separation recovery rate of the sample can reach 99.1 percent, the secondary magnetic separation recovery rate can reach 99.8 percent, and the recovery rate reaches the standard requirement compared with the traditional manual magnetic separation method and WFC type magnetic separator method.
Description
Technical Field
The invention relates to a magnetic separation method of magnetic iron in a laboratory, in particular to a magnetic separation device for separating magnetic iron in iron ore and a using method thereof.
Background
When the magnetic iron is measured in a geological laboratory, the separation of magnetic materials is a crucial step, the selection of a magnetic separation method also has influence on the magnetic separation result, and the common magnetic separation method comprises the following steps: a manual internal magnetic separation method, a manual external magnetic separation method, a WFC type magnetic separator method and the like.
According to the stipulation of the Chinese nonferrous metal industry standard YS/T1047.11-2015 Chinese nonferrous metal industry standard copper magnetite chemical analysis method-magnetic iron content determination, the manual internal magnetic separation method is operated as follows: firstly, weighing 0.4g of a sample to be detected, placing the sample to be detected in a first 250ml beaker, adding 50ml of water, slowly and uniformly stirring the sample and the water by using a glass extrusion rod, and then forcibly grinding and extruding the sample in the water by using the extrusion rod to completely release nonmagnetic particles wrapped in magnetic minerals. And secondly, the magnetic rod of the outer sleeve is held by hand to move back and forth at the bottom of the beaker, the magnetic minerals are adsorbed on the sleeve, the sleeve adsorbed with the magnetic minerals is placed above a second beaker, the magnet is taken out to release the magnetic minerals in the beaker, the magnetic minerals remained on the sleeve are washed in the beaker by water, and the first step is repeated until the magnetic minerals in the first beaker are completely selected. And grinding and extruding the magnetic minerals in the second beaker according to the steps, carrying out magnetic separation to a third beaker, grinding and extruding the magnetic minerals in the third beaker, and carrying out magnetic separation to a fourth beaker.
The manual external magnetic separation method comprises the following steps: a0.1 g sample (200 mesh) was weighed into a 100mL beaker, 20mL of water and 5 drops of alcohol were added to completely wet the minerals, a permanent magnet (magnetic strength of 900. + -. 100 Oersted measured across the bottom of the beaker) was moved against the bottom of the beaker to move the magnetic material to one side and to attract it, and water containing nonmagnetic minerals was poured out until the poured water was free of minerals. The magnetically separated minerals were washed in a 250mL Erlenmeyer flask with a wash bottle, rinsed several times with distilled water, and the water was removed by attracting the magnetic substance with a magnet under the flask.
At present, a WFC-1 type physical phase analysis magnetic separator is commonly used in a laboratory for carrying out magnetic separation on iron ore samples, and the magnetic separator consists of a frame, a transmission system and a leaching device. The frame is used for vertically clamping and placing a glass magnetic separation tube (generally an acid glass burette); the transmission system is mainly a permanent magnet arranged on the motor, the permanent magnet is close to the magnetic separation tube, and when the magnetic separation tube works, the permanent magnet reciprocates up and down along the outer wall of the glass magnetic separation tube at a certain frequency in the vertical direction; the leaching device mainly comprises a tap water pipe and a water stop clamp, and is uninterruptedly used for flushing iron ore samples during magnetic separation and flushing nonmagnetic samples to a waste liquid container at the lower part of the magnetic separation pipe. When the permanent magnet lifting device works, the motor is started, and the permanent magnet starts to move up and down in a reciprocating manner; and starting water flow, blowing and washing 0.1-0.5 g of iron ore samples into the magnetic separation tube from the upper part of the magnetic separation tube by using a washing bottle, wherein the magnetic iron in the samples is adsorbed on the inner wall of the magnetic separation tube under the magnetic action of a permanent magnet in the descending process of the samples due to gravity, and overturns along with the up-and-down movement of the permanent magnet, so that the samples are separated from the nonmagnetic samples under the flushing of the uninterrupted rinsing water flow, and the magnetic separation work is finished. And (4) after the magnetic separation is finished, turning off the motor, taking down the magnetic separation tube, and washing the magnetic iron adsorbed on the inner wall of the magnetic separation tube into another beaker by using water until the magnetic separation work is finished.
In the three methods, the manual internal magnetic separation method and the manual external magnetic separation method both adopt manual operation, and are greatly influenced by the manual operation, so that the precision and the accuracy of an analysis result are poor; the manual external magnetic separation method is also poor in applicability, and can be used after the result is compared with the result of the manual internal magnetic separation method without system error before use. Compared with manual methods, the WFC type physical phase analysis magnetic separator reduces the influence of manual operation factors and improves the reproducibility of the analysis result of the magnetic iron in the iron ore, but the WFC type physical phase analysis magnetic separator uses a permanent magnet, and once the magnetic field intensity changes, the distance between the permanent magnet and a magnetic separation tube needs to be adjusted, so that the operation is relatively complicated.
The Chinese patent publication No. CN109663665A discloses a spiral laboratory magnetic iron automatic electromagnetic separator and a magnetic separation method, comprising a leaching device, a sample introduction device, an electromagnetic separation device, a receiving device and a controller, wherein the leaching device is a No. 1 leaching electromagnetic valve connected with a tap water pipe, the No. 1 leaching electromagnetic valve is arranged above the sample introduction device, the sample introduction device is a No. 2 sample introduction electromagnetic valve connected with a sample introduction funnel, the sample introduction funnel is arranged at the upper part of the No. 2 electromagnetic valve, the electromagnetic separation device comprises a cylindrical hollow support, the cylindrical hollow support is spirally wound with a plastic magnetic separation pipe, and the outer part of the plastic magnetic separation pipe is connected with an electromagnet. With the mode that the spiral plastic pipe adds a plurality of steerable electro-magnets cooperatees and carries out the electromagnetic separation, lengthened the magnetic separation route, increased the magnetic separation number of times, but it has following problem: firstly, the structure is complicated, need use the cooperation of multiunit electro-magnet, and high in manufacturing cost, secondly if the iron ore sample is low at the in-process sample viscosity of spiral plastic tubing of flowing through, then can appear sample moving speed too fast not to be adsorbed by the electro-magnet, even all magnetic iron also can't be guaranteed to magnetic separation many times by the separation, if the sample viscosity is too big, then can appear the sample and block up on certain section of spiral plastic tubing, lead to unable continuation magnetic separation.
Disclosure of Invention
The invention aims to solve the technical problem that the existing magnetic separation device and method for separating magnetic iron in iron ore have defects, and provides a magnetic separation device with simple structure and high magnetic iron separation efficiency for separating magnetic iron in iron ore and a use method thereof.
The technical scheme of the invention is as follows: the magnetic separation device is used for separating magnetic iron in iron ores and comprises a driving disc, wherein the driving disc is driven by a motor; the driven disc is in transmission connection with the driving disc through a conveying belt; the fixed disk is eccentrically arranged in the driven disk and internally tangent to one side of the driven disk, which is far away from the driving disk; the rotary disc is arranged on the fixed disc, and the surface of the rotary disc is uniformly provided with a plurality of round holes positioned on the same circumferential surface; the rotating end of the circuit rotating connector is arranged in the round hole; one end of the cylindrical electromagnet is connected with the static end of the circuit rotating connector; a cuvette for receiving the cylindrical electromagnet; a beaker for holding a test tube.
The improvement of the proposal is that soft resin is filled between the test tube and the cylindrical electromagnet.
The further improvement in the above scheme is that a balancing weight close to the driving disc is eccentrically mounted on the driven disc.
The test tube in the above scheme is a PC test tube.
The use method of the magnetic separation device for separating the magnetic iron in the iron ore comprises the following steps: weighing a standard sample, placing the standard sample in a beaker, adding a proper amount of water, extruding and uniformly mixing the sample by using a glass rod, extending a test tube with an electromagnet into the water to be close to the bottom of the beaker, starting a motor, driving a driven plate, a fixed plate, a rotary plate and a circuit rotary connector to rotate and start magnetic separation, wherein the first magnetic separation rotating speed is selected to be 80r/min, after the first magnetic separation is finished, replacing the beaker, releasing magnetic minerals attached to the outside of the test tube in a second beaker, repeating the first magnetic separation step to perform second magnetic separation, wherein the second magnetic separation rotating speed is selected to be 60r/min, and after the second magnetic separation is finished, releasing the magnetic minerals attached to the outside of the test tube in a third beaker.
The method has the advantages that the single magnetic separation recovery rate of the sample can reach 99.1 percent, the secondary magnetic separation recovery rate can reach 99.8 percent, and the recovery rate reaches the standard requirement compared with the traditional manual magnetic separation method and WFC type magnetic separator method; the structure is reasonable in design, the electromagnet is used for magnetic separation, the electromagnet horizontally rotates in the beaker to adsorb magnetic iron to the maximum extent, the magnetic loss condition caused by the use of a permanent magnet in the prior art is eliminated, the electromagnet is driven by the motor to carry out internal magnetic separation, the influence caused by artificial factors in a manual internal magnetic separation method is reduced, and the precision and the accuracy of the magnetic separation of the magnetic iron are improved; by adjusting the current of the electromagnet coil and the rotating speed of the motor, the magnetic separation of samples with different samples and test requirements can be met.
Drawings
FIG. 1 is a schematic view of the driving structure of the magnetic separation apparatus of the present invention;
FIG. 2 is a schematic view of the magnetic separation vessel of the magnetic separation apparatus of the present invention;
FIG. 3 is a schematic view of the electrical rotary connector of the magnetic separation apparatus of the present invention;
FIG. 4 is a schematic representation of a magnetic separation apparatus of the present invention;
in the figure, the device comprises a motor 1, a motor 2, a conveyor belt 3, a balancing weight 4, a driven disc 5, a fixed disc 6, a rotary disc 7, a magnetic butt joint block 8, a cylindrical electromagnet 9, a test tube 10, a beaker 11 and a rotary disc.
Detailed Description
The technical scheme in the embodiment of the invention is clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments based on the embodiments in the present invention, without any inventive work, will be apparent to those skilled in the art from the following description.
The invention aims to provide a novel magnetic separation device for separating magnetic iron in iron ores, and aims to solve the problems of artificial influence factors and poor magnetic iron separation effect in the traditional magnetic separation method.
The electric motor drives the turntable provided with the circuit rotary connector to rotate, the tail end of the circuit rotary connector is connected with an electromagnet with a PC test tube as a sleeve, and magnetic separation is carried out in a 500mL beaker.
As shown in fig. 1-2 and 4, 1 is an electric motor, and the structure of the electric motor is the same as the parameters of a common small-sized electric motor; 2 is a conveyor belt with gears; a balancing weight 3 is used for balancing the weight of the electromagnet; 4, a self-made round driven disc with the diameter of 60 mm; 5 is a fixed disk of the fixed circuit rotary connector, the diameter is 24mm, the fixed disk is fixed at the position of the center of the driven disk which is deviated to the right, the fixed disk is internally tangent with the driven disk, the fixed disk is driven to rotate by the rotation of the driven disk, a disk with the diameter of 12.5mm is arranged above the fixed disk, and three round holes with the diameter of 3.2mm are used for fixing the circuit rotary connector; wherein 6 is the rotating end of the circuit rotating connector, and 7 is the static end of the circuit rotating connector. The structure is fixed on a wood plate, and the wood plate is fixed above the magnetic separation device by a device similar to an iron stand. The structure is a driving structure of the magnetic separation device.
The static end of the circuit rotary connector is connected with a main magnetic separation structure, as shown in fig. 3, 8 is a cylindrical electromagnet with the length of 120mm and the diameter of 20mm, and 9 is a PC test tube with the length of 125mm and the inner diameter of 25mm and used for adsorbing magnetic iron; 10 is a 500mL beaker 115mm high and 95mm internal diameter to hold a mixture of sample and water. The space between the electromagnet and the PC test tube is filled with soft resin such as polyurethane.
The beaker for magnetic separation is placed on a storage platform, the height of the storage platform is 100mm, and the table top is a square board with the height of 120 x 120 mm.
The operation process is illustrated by taking the standard substances GBW07272 and GBW07275 as examples, the standard substances GBW07272 and GBW07275 are selected to carry out 3 times of measurement by using a magnetic separation device, 0.4g of a standard sample is weighed and placed in a 500mL beaker, adding 350mL of water, extruding and uniformly mixing the sample by using a glass rod, extending an electromagnet with a PC test tube sleeve into the water to be close to the bottom of a beaker, selecting the rotating speed of the first magnetic separation to be 80r/min, replacing the beaker after the first magnetic separation is finished, releasing the magnetic minerals attached to the outside of the sleeve into a second beaker, and repeating the first magnetic separation step to perform second magnetic separation, wherein the rotating speed of the second magnetic separation is selected to be 60r/min, and through calculation, the single magnetic separation recovery rate of the sample can reach 99.1%, and the secondary magnetic separation recovery rate can reach 99.8%, so that the recovery rate reaches the standard requirements compared with the traditional manual magnetic separation method, WFC type magnetic separator method, spiral laboratory magnetic iron automatic electromagnetic separator and magnetic separation method.
The preferred embodiment of the invention is that 3 magnetic separation structures are correspondingly arranged in 3 round holes, the distance between the 3 round holes and the circle center of the disc is equal to form a triangular magnetic array, when 3 test tubes rotate, the iron ore samples positioned in the 3 magnetic arrays are attracted by 3 electromagnets, the magnetic iron positioned in the iron ore samples can be fully separated from the samples, and the magnetic arrays do circular motion in the beaker, so that the iron ore samples in the beaker can move more violently to form turbulent flow, then under the violent motion, impurities without magnetism can move along with the turbulent flow, the magnetic iron can be constrained in the magnetic arrays and finally adsorbed on the electromagnets, compared with the magnetic structures only having 1, the magnetic array formed by the 3 electromagnets has better separation effect on the magnetic iron, and only one time of magnetic separation is needed, the magnetic recovery rate can reach 99.9%.
Claims (5)
1. Magnetic separation device of magnetic iron in separation iron ore, characterized by: a driving disk driven by a motor; the driven disc is in transmission connection with the driving disc through a conveying belt; the fixed disk is eccentrically arranged in the driven disk and internally tangent to one side of the driven disk, which is far away from the driving disk; the rotary disc is arranged on the fixed disc, and the surface of the rotary disc is uniformly provided with a plurality of round holes positioned on the same circumferential surface; the rotating end of the circuit rotating connector is arranged in the round hole; one end of the cylindrical electromagnet is connected with the static end of the circuit rotating connector; a cuvette for receiving the cylindrical electromagnet; a beaker for holding a test tube.
2. The magnetic separation apparatus for separating magnetic iron from iron ore according to claim 1, wherein: and soft resin is filled between the test tube and the cylindrical electromagnet.
3. The magnetic separation apparatus for separating magnetic iron from iron ore according to claim 1, wherein: and a balancing weight close to the driving disc is eccentrically arranged on the driven disc.
4. The magnetic separation apparatus for separating magnetic iron from iron ore according to claim 1, wherein: the test tube is a PC test tube.
5. The use method of the magnetic separation device for separating magnetic iron in iron ore according to any one of claims 1 to 4, characterized in that: the method comprises the following steps: weighing a standard sample, placing the standard sample in a beaker, adding a proper amount of water, extruding and uniformly mixing the sample by using a glass rod, extending a test tube with an electromagnet into the water to be close to the bottom of the beaker, starting a motor, driving a driven plate, a fixed plate, a rotary plate and a circuit rotary connector to rotate and start magnetic separation, wherein the first magnetic separation rotating speed is selected to be 80r/min, after the first magnetic separation is finished, replacing the beaker, releasing magnetic minerals attached to the outside of the test tube in a second beaker, repeating the first magnetic separation step to perform second magnetic separation, wherein the second magnetic separation rotating speed is selected to be 60r/min, and after the second magnetic separation is finished, releasing the magnetic minerals attached to the outside of the test tube in a third beaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111159602.8A CN114018676A (en) | 2021-09-30 | 2021-09-30 | Magnetic separation device for separating magnetic iron in iron ore and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111159602.8A CN114018676A (en) | 2021-09-30 | 2021-09-30 | Magnetic separation device for separating magnetic iron in iron ore and use method thereof |
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| Publication Number | Publication Date |
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| CN114018676A true CN114018676A (en) | 2022-02-08 |
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| CN202111159602.8A Withdrawn CN114018676A (en) | 2021-09-30 | 2021-09-30 | Magnetic separation device for separating magnetic iron in iron ore and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114870990A (en) * | 2022-05-05 | 2022-08-09 | 福建马坑矿业股份有限公司 | Laboratory automatic magnetic separation device and magnetic separation method |
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|---|---|---|---|---|
| WO2016133379A2 (en) * | 2015-02-18 | 2016-08-25 | López Valdivieso Alejandro | Magnetic flotation and aggregation process and device for the concentration of magnetic iron minerals |
| CN108092486A (en) * | 2016-11-21 | 2018-05-29 | 牟敦刚 | Magnetic coupling assembly and magnetic coupling stirring device |
| CN110658351A (en) * | 2019-08-05 | 2020-01-07 | 山东省物化探勘查院 | Automatic sampler for magnetic separation of magnetic iron in iron ore in laboratory and use method |
| CN212092750U (en) * | 2020-02-14 | 2020-12-08 | 中国有色金属工业昆明勘察设计研究院有限公司 | Magnetic separation device with external fixed magnet |
| CN212550012U (en) * | 2020-04-16 | 2021-02-19 | 三门峡鑫锋磨料有限公司 | Magnetic separator for producing white corundum |
| CN213041779U (en) * | 2020-07-04 | 2021-04-23 | 福建紫金矿冶测试技术有限公司 | Auxiliary device for determining magnetic iron in ore |
-
2021
- 2021-09-30 CN CN202111159602.8A patent/CN114018676A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016133379A2 (en) * | 2015-02-18 | 2016-08-25 | López Valdivieso Alejandro | Magnetic flotation and aggregation process and device for the concentration of magnetic iron minerals |
| CN108092486A (en) * | 2016-11-21 | 2018-05-29 | 牟敦刚 | Magnetic coupling assembly and magnetic coupling stirring device |
| CN110658351A (en) * | 2019-08-05 | 2020-01-07 | 山东省物化探勘查院 | Automatic sampler for magnetic separation of magnetic iron in iron ore in laboratory and use method |
| CN212092750U (en) * | 2020-02-14 | 2020-12-08 | 中国有色金属工业昆明勘察设计研究院有限公司 | Magnetic separation device with external fixed magnet |
| CN212550012U (en) * | 2020-04-16 | 2021-02-19 | 三门峡鑫锋磨料有限公司 | Magnetic separator for producing white corundum |
| CN213041779U (en) * | 2020-07-04 | 2021-04-23 | 福建紫金矿冶测试技术有限公司 | Auxiliary device for determining magnetic iron in ore |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114870990A (en) * | 2022-05-05 | 2022-08-09 | 福建马坑矿业股份有限公司 | Laboratory automatic magnetic separation device and magnetic separation method |
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Application publication date: 20220208 |