CN103071587B - Rotating magnetic field efficient dispersion magnetic separator - Google Patents
Rotating magnetic field efficient dispersion magnetic separator Download PDFInfo
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- CN103071587B CN103071587B CN201310039293.XA CN201310039293A CN103071587B CN 103071587 B CN103071587 B CN 103071587B CN 201310039293 A CN201310039293 A CN 201310039293A CN 103071587 B CN103071587 B CN 103071587B
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- 239000006148 magnetic separator Substances 0.000 title claims abstract description 21
- 239000006185 dispersion Substances 0.000 title description 3
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 239000012141 concentrate Substances 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 18
- 239000011707 mineral Substances 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 239000000696 magnetic material Substances 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 abstract description 11
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 238000007885 magnetic separation Methods 0.000 description 13
- 229910052742 iron Inorganic materials 0.000 description 7
- 230000000630 rising effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
一种旋转磁场高效分散磁选机，属于磁铁矿石选别的弱磁场磁选机技术领域，特别是涉及一种基于磁场力、重力、离心力和机械打散力的旋转磁场高效分散磁选机。本发明包括磁系传动装置、筒体、选矿槽、格筛、磁系、主轴、机架、给水装置及筒体传动装置，机架上部两侧端分别安装有磁系传动装置和筒体传动装置；主轴上套装有筒体和磁系；筒体侧壁与选矿槽侧壁之间设置为分选腔，分选腔内设置有格筛；主轴上端与磁系传动装置相连接，主轴下端通过轴承设置在机架上；筒体与筒体传动装置相连接；选矿槽上端的两侧壁处分别设置有给矿口和溢流口，选矿槽的下端面设置有中矿口和精矿口；选矿槽内、筒体的正下方设置有精矿导流槽，精矿导流槽与精矿口相连通。
A rotating magnetic field high-efficiency dispersing magnetic separator belongs to the technical field of magnetite ore sorting weak magnetic field magnetic separators, and in particular relates to a rotating magnetic field high-efficiency dispersing magnetic separator based on magnetic field force, gravity, centrifugal force and mechanical dispersing force. The invention includes a magnetic system transmission device, a cylinder body, a beneficiation tank, a grizzly screen, a magnetic system, a main shaft, a frame, a water supply device and a cylinder body transmission device. device; the main shaft is equipped with a cylinder and a magnetic system; a separation chamber is set between the side wall of the cylinder and the side wall of the beneficiation tank, and a grid screen is arranged in the separation chamber; the upper end of the main shaft is connected with the magnetic transmission device, and the lower end of the main shaft is It is installed on the frame through bearings; the cylinder is connected with the transmission device of the cylinder; the two side walls of the upper end of the mineral processing tank are respectively provided with an ore feeding port and an overflow port, and the lower end of the mineral processing tank is provided with an intermediate ore port and a concentrate There is a concentrate diversion groove in the beneficiation tank and directly below the cylinder, and the concentrate diversion groove is connected with the concentrate outlet.
Description
技术领域 technical field
本发明属于磁铁矿石选别的弱磁场磁选机技术领域，特别是涉及一种基于磁场力、重力、离心力和机械打散力的旋转磁场高效分散磁选机。The invention belongs to the technical field of weak magnetic field magnetic separator for magnetite ore separation, in particular to a rotating magnetic field high-efficiency dispersive magnetic separator based on magnetic field force, gravity, centrifugal force and mechanical dispersing force.
背景技术 Background technique
磁选是一种简单而有效的物料处理方法，能避免化学处理方法的药剂污染及成本过高的弊端。由于我国的铁矿石品位低、杂质含量高，必须经过多段磁选分离才能获得合格的炼铁原料。对于强磁性矿石，采用弱磁场磁选机能够有效获得高品位的铁精矿，但是如果需要获得铁品位高于67%的铁精矿，就必须采用磁选柱一类的精选设备。Magnetic separation is a simple and effective method of material treatment, which can avoid the disadvantages of chemical treatment methods of chemical pollution and high cost. Due to the low grade and high impurity content of iron ore in my country, qualified ironmaking raw materials must be obtained through multi-stage magnetic separation. For strong magnetic ore, using a weak magnetic field magnetic separator can effectively obtain high-grade iron ore concentrate, but if you need to obtain iron concentrate with an iron grade higher than 67%, you must use a selection equipment such as a magnetic separation column.
永磁筒式磁选机是国内外选矿厂采用的最普遍的弱磁场磁选机，但由于该设备分选区间有限，磁团聚无法充分分散，导致精矿品位的提高幅度有限，一定程度上也限制了为高炉提供精料。The permanent magnetic drum magnetic separator is the most common weak magnetic field magnetic separator used in domestic and foreign mineral processing plants. However, due to the limited separation range of this equipment, the magnetic agglomeration cannot be fully dispersed, resulting in a limited increase in the concentrate grade. To a certain extent It also limits the supply of concentrates for blast furnaces.
磁铁矿精选目前主要采用电磁场磁选柱，是一种基于磁场力、重力和上升水冲力的精选设备，磁性矿物在分选圆筒内的磁场中被磁化，形成磁团向下沉降，在磁场较弱的区域，磁团被上升水流打开，其中的脉石矿物被清洗出来，从上部排出，精矿从下部排出。尽管磁选柱能够将铁精矿品位提高至69%甚至更高以上，但仍存在以下问题：At present, magnetite separation mainly adopts electromagnetic field magnetic separation column, which is a kind of separation equipment based on magnetic field force, gravity and rising water momentum. Magnetic minerals are magnetized in the magnetic field in the separation cylinder, forming magnetic clusters and sinking downward. , In the area with weak magnetic field, the magnetic cluster is opened by the rising water flow, the gangue minerals in it are washed out, discharged from the upper part, and the concentrate is discharged from the lower part. Although the magnetic separation column can increase the grade of iron ore concentrate to 69% or higher, there are still the following problems:
(1)耗水量偏大，每吨给矿需要用水2至4吨；(1) The water consumption is too large, 2 to 4 tons of water is required for each ton of ore feeding;
(2)对给矿粒度要求较严格，一般磁选柱的适宜给矿粒度为0.2mm；(2) The requirements on the particle size of the ore feeding are stricter, and the suitable particle size of the general magnetic separation column is 0.2mm;
(3)磁选柱的尾矿品位较高，一部分贫、富连生体很容易随着脉石进入尾矿，导致尾矿因品位较高尚需继续处理。(3) The grade of the tailings of the magnetic separation column is high, and part of the poor and rich contiguous organisms can easily enter the tailings along with the gangue, resulting in the tailings still need to be processed due to the high grade.
目前见诸报导的旋转磁场磁选机也是利用磁场力、重力、上升水冲力进行分选的设备，主要通过磁系转动产生的极性变化使磁团发生磁翻滚，在环形磁场的作用下，磁性矿粒被磁化、团聚、沉降，从而使其中包裹的脉石被上升水冲洗出来并从上部排出成为尾矿，而磁性矿物沉降至底部成为精矿。与磁选柱相比，由于不具备明显优势，致使该设备没有成功应用于生产。The rotating magnetic field magnetic separator that has been reported so far is also a sorting device that uses magnetic field force, gravity, and rising water momentum to separate. The magnetic ore particles are magnetized, agglomerated, and settled, so that the gangue wrapped in it is washed out by the rising water and discharged from the upper part to become tailings, while the magnetic minerals settle to the bottom to become concentrate. Compared with magnetic separation columns, due to the lack of obvious advantages, the equipment was not successfully used in production.
研究表明，在一段磨矿后，含在矿石中的30%以上的磁铁矿以单体解离状态出现，目前的磁选设备无法实现将这部分磁铁矿预先分离出来的功能，因此研制新型的复合力场磁选设备，符合高效回收、节能降耗的矿业发展趋势。Studies have shown that after a stage of grinding, more than 30% of the magnetite contained in the ore will appear in the state of monomer dissociation. The current magnetic separation equipment cannot realize the function of separating this part of the magnetite in advance. Therefore, the developed The new composite force field magnetic separation equipment conforms to the development trend of mining industry with high efficiency recovery, energy saving and consumption reduction.
发明内容 Contents of the invention
针对现有技术存在的问题，本发明为强磁性矿物一段磨矿或者一段磁选后矿料提供一种可以预选分离出磁铁矿精矿，并能够有效抛除尾矿的旋转磁场高效分散磁选机。Aiming at the problems existing in the prior art, the present invention provides a rotating magnetic field that can pre-select and separate the magnetite concentrate and effectively remove the tailings for the mineral material after one-stage grinding or one-stage magnetic separation of strong magnetic minerals. Choose machine.
为了实现上述目的，本发明采用如下技术方案：一种旋转磁场高效分散磁选机，包括磁系传动装置、筒体、选矿槽、格筛、磁系、主轴、机架、给水装置及筒体传动装置，在所述的机架上部两侧端分别安装有磁系传动装置和筒体传动装置；在所述的主轴上套装有筒体和磁系；所述的磁系设置于筒体内，所述的选矿槽设置于筒体外；所述的筒体通过轴承与主轴相配合，所述的磁系与主轴固定配合；所述的筒体侧壁与选矿槽侧壁之间设置为分选腔，在所述的分选腔内设置有格筛；所述的主轴、筒体和磁系均设置为立式结构；所述的主轴上端与磁系传动装置相连接，主轴下端通过轴承设置在机架上；所述的筒体与筒体传动装置相连接；在所述的选矿槽内、分选腔的下方设置有给水装置的进水口；在所述的选矿槽上端的两侧壁处分别设置有给矿口和溢流口，在选矿槽的下端面设置有中矿口和精矿口；在所述的选矿槽内、筒体的正下方设置有精矿导流槽，所述的精矿导流槽与精矿口相连通。In order to achieve the above object, the present invention adopts the following technical solutions: a high-efficiency dispersing magnetic separator with rotating magnetic field, including a magnetic system transmission device, a cylinder body, a beneficiation tank, a grizzly screen, a magnetic system, a main shaft, a frame, a water supply device and a cylinder body The transmission device is equipped with a magnetic system transmission device and a cylinder transmission device on both sides of the upper part of the frame; the cylinder and the magnetic system are set on the main shaft; the magnetic system is arranged in the cylinder, The mineral processing tank is arranged outside the cylinder; the cylinder is matched with the main shaft through the bearing, and the magnetic system is fixedly matched with the main shaft; the side wall of the cylinder and the side wall of the mineral processing tank are arranged as a sorting Cavity, a grizzly screen is set in the sorting cavity; the main shaft, the cylinder and the magnetic system are all set in a vertical structure; the upper end of the main shaft is connected with the magnetic system transmission device, and the lower end of the main shaft is set through a bearing On the frame; the cylinder is connected with the transmission device of the cylinder; the water inlet of the water supply device is arranged in the said beneficiation tank and below the separation chamber; on the two side walls of the upper end of the beneficiation tank The ore feeding port and the overflow port are respectively arranged at the ore dressing tank, and the middle ore port and the concentrate port are arranged at the lower end of the beneficiation tank; in the said beneficiation tank, a concentrate diversion tank is set directly below the cylinder, so The concentrate diversion tank described above is connected with the concentrate port.
所述的筒体采用不导磁材料，筒体外衬设置有3—10mm耐磨保护层。The cylinder is made of non-magnetic material, and the outer lining of the cylinder is provided with a 3-10mm wear-resistant protective layer.
所述的磁系为永磁材料，其沿圆周方向分段布置，分段数量为2—10段，且每段磁系的包角为10—150°，每段磁系由极宽为30—195mm的主磁极组构成，其圆周方向主磁极组设置为N、S极交替排列或同极性排列。The magnetic system is a permanent magnet material, which is arranged in segments along the circumferential direction, the number of segments is 2-10, and the wrap angle of each segment of the magnetic system is 10-150°, and the pole width of each segment is 30°. - 195mm main magnetic pole group, the main magnetic pole group in the circumferential direction is arranged alternately with N and S poles or arranged with the same polarity.
所述的两个主磁极组之间设置有辅助磁极，所述的辅助磁极的极宽为20—100mm。An auxiliary magnetic pole is arranged between the two main magnetic pole groups, and the pole width of the auxiliary magnetic pole is 20-100 mm.
所述的分选腔内通过磁系设置为间歇式永磁场，其磁场强度为20—300mT。The magnetic system in the sorting chamber is set as an intermittent permanent magnetic field with a magnetic field strength of 20-300mT.
所述的磁系与筒体之间设置为同时、同向或异向高速旋转。The magnetic system and the cylinder are set to rotate at high speed simultaneously, in the same direction or in different directions.
所述的磁系与筒体的转速均设置为0—100r/min。The rotating speeds of the magnetic system and the cylinder are both set at 0-100r/min.
所述的磁系传动装置和筒体传动装置采用带传动系统、链传动系统或齿轮传动系统。The magnetic transmission device and cylinder transmission device adopt a belt transmission system, a chain transmission system or a gear transmission system.
本发明的有益效果：Beneficial effects of the present invention:
1、本发明与现有设备相比，具有可以为强磁性矿物一段磨矿或者一段磁选后矿料，预选分离出磁铁矿精矿，并能够有效抛除尾矿的特点，同时也能起到铁精矿精选的作用。1. Compared with the existing equipment, the present invention has the characteristics that the magnetite concentrate can be separated from the magnetite concentrate after one-stage grinding or one-stage magnetic separation of strong magnetic minerals, and the tailings can be effectively thrown away. Play the role of iron ore concentrate.
2、本发明采用复合力场设计，是一种弱磁永磁场磁选设备，基于磁场力、重力、上升水冲力、离心力及机械打散力的作用，来实现强磁性矿物的预选或精选作业，具有获得高品位铁精矿的能力。2. The present invention adopts the design of compound force field, which is a kind of weak magnetic permanent magnetic field magnetic separation equipment, based on the effects of magnetic field force, gravity, rising water momentum, centrifugal force and mechanical dispersion force, to realize the pre-selection or selection of strong magnetic minerals operation, with the ability to obtain high-grade iron ore concentrate.
附图说明 Description of drawings
图1为本发明的一种旋转磁场高效分散磁选机结构示意图；Fig. 1 is a kind of rotating magnetic field efficient dispersion magnetic separator structural representation of the present invention;
图2为图1的F-F剖视图；Fig. 2 is the F-F sectional view of Fig. 1;
图中，1—磁系传动装置，2—筒体，3—选矿槽，4—格筛，5—磁系，6—主轴，7—机架，8—给水装置，9—筒体传动装置，10—精矿导流槽，A—给矿口，B—溢流口，C—分选腔，D—中矿口，E—精矿口。In the figure, 1—magnetic system transmission device, 2—cylinder body, 3—mineral processing tank, 4—grid screen, 5—magnetic system, 6—main shaft, 7—frame, 8—water supply device, 9—cylinder body transmission device , 10—concentrate diversion groove, A—feeding port, B—overflow port, C—separation cavity, D—middle ore port, E—concentrate port.
具体实施方式 Detailed ways
下面结合附图和具体实施例对本发明做进一步的详细说明。The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
如图1、2所示，一种旋转磁场高效分散磁选机，包括磁系传动装置1、筒体2、选矿槽3、格筛4、磁系5、主轴6、机架7、给水装置8及筒体传动装置9，在所述的机架7上部两侧端分别安装有磁系传动装置1和筒体传动装置9；在所述的主轴6上套装有筒体2和磁系5；所述的磁系5设置于筒体2内，所述的选矿槽3设置于筒体2外；所述的筒体2通过轴承与主轴6相配合，所述的磁系5与主轴6固定配合；所述的筒体2侧壁与选矿槽3侧壁之间设置为分选腔C，在所述的分选腔C内设置有格筛4；所述的主轴6、筒体2和磁系5均设置为立式结构；所述的主轴6上端与磁系传动装置1相连接，主轴6下端通过轴承设置在机架7上；所述的筒体2与筒体传动装置9相连接；在所述的选矿槽3内、分选腔C的下方设置有给水装置8的进水口；在所述的选矿槽3上端的两侧壁处分别设置有给矿口A和溢流口B，在选矿槽3的下端面设置有中矿口D和精矿口E；在所述的选矿槽3内、筒体2的正下方设置有精矿导流槽10，所述的精矿导流槽10与精矿口E相连通。As shown in Figures 1 and 2, a high-efficiency dispersing magnetic separator with a rotating magnetic field includes a magnetic system transmission device 1, a cylinder body 2, a beneficiation tank 3, a grid screen 4, a magnetic system 5, a main shaft 6, a frame 7, and a water supply device 8 and the cylinder transmission device 9, the magnetic system transmission device 1 and the cylinder transmission device 9 are respectively installed on both sides of the upper part of the frame 7; the cylinder body 2 and the magnetic system 5 are set on the main shaft 6 The magnetic system 5 is arranged in the cylinder 2, and the mineral processing tank 3 is arranged outside the cylinder 2; the cylinder 2 cooperates with the main shaft 6 through the bearing, and the magnetic system 5 and the main shaft 6 fixed fit; the separation chamber C is set between the side wall of the cylinder body 2 and the side wall of the beneficiation tank 3, and a grid screen 4 is arranged in the separation chamber C; the main shaft 6, the cylinder body 2 and the magnetic system 5 are all arranged as a vertical structure; the upper end of the main shaft 6 is connected with the magnetic system transmission device 1, and the lower end of the main shaft 6 is arranged on the frame 7 through a bearing; the cylinder body 2 and the cylinder transmission device 9 connected; in the mineral processing tank 3, the water inlet of the water supply device 8 is provided below the separation chamber C; the mine feeding port A and the overflow Port B, the middle ore port D and the concentrate port E are arranged on the lower end surface of the mineral processing tank 3; The ore diversion tank 10 communicates with the concentrate port E.
所述的筒体2采用不导磁材料，筒体外衬设置有3—10mm耐磨保护层。The cylinder 2 is made of non-magnetic material, and the outer lining of the cylinder is provided with a 3-10mm wear-resistant protective layer.
所述的磁系5为永磁材料，其沿圆周方向分段布置，分段数量为2—10段，且每段磁系5的包角为10—150°，每段磁系5由极宽为30—195mm的主磁极组构成，其圆周方向主磁极组设置为N、S极交替排列或同极性排列。The magnetic system 5 is a permanent magnet material, which is arranged in segments along the circumferential direction, the number of segments is 2-10, and the wrap angle of each magnetic system 5 is 10-150°, and each magnetic system 5 is composed of poles The main magnetic pole group with a width of 30-195mm is formed, and the main magnetic pole group in the circumferential direction is arranged in alternating arrangement of N and S poles or in the same polarity arrangement.
所述的两个主磁极组之间设置有辅助磁极，所述的辅助磁极的极宽为20—100mm。An auxiliary magnetic pole is arranged between the two main magnetic pole groups, and the pole width of the auxiliary magnetic pole is 20-100mm.
所述的分选腔C内通过磁系5设置为间歇式永磁场，其磁场强度为20—300mT。The inside of the sorting chamber C is set as an intermittent permanent magnetic field through the magnetic system 5, and its magnetic field strength is 20-300mT.
所述的磁系5与筒体2之间设置为同时、同向或异向高速旋转。The magnetic system 5 and the cylinder 2 are arranged to rotate at high speed simultaneously, in the same direction or in different directions.
所述的磁系5与筒体2的转速均设置为0—100r/min。The rotational speeds of the magnetic system 5 and the cylinder 2 are both set at 0-100r/min.
所述的磁系传动装置1和筒体传动装置9采用带传动系统、链传动系统或齿轮传动系统。The magnetic transmission device 1 and the cylinder transmission device 9 adopt a belt transmission system, a chain transmission system or a gear transmission system.
下面结合附图说明本发明的使用过程：The use process of the present invention is illustrated below in conjunction with accompanying drawing:
如图1所示，启动设备，主轴6和磁系5在磁系传动装置1的带动下旋转，筒体2在筒体传动装置9的带动下围绕主轴6和磁系5旋转。磁系5在筒体2与选矿槽3之间的分选腔C内形成了间歇式永磁场，设备运转过程中，随着磁系5的旋转，分选腔C内的间歇式永磁场变为了移动式的间歇磁场。此时，矿浆从选矿槽3上的给矿口A进入分选腔C中，在筒体2的带动下分选腔C中的矿浆做离心旋转，比重较大、磁性较强的磁铁矿单体在分选腔C内受到的磁场力和重力起了主导作用，被磁场吸引至分选腔C的内侧，在移动式的间歇磁场和格筛4的作用下，经过多次团聚、松散和打散排除夹杂后，又在重力的作用下落入选矿槽3内的精矿导流槽中，最后落入精矿口E中；比重较小、磁性较弱的连生体颗粒在分选腔C内所受到的离心力和重力起了主导作用，运动至分选腔C的外侧，在移动式的间歇磁场和格筛4的作用下，经过多次团聚、松散和打散排除夹杂后，在重力的作用下落入选矿槽3上的中矿口D中；比重最小、无磁性的脉石颗粒随着由给水装置8进入的上升水流，进入选矿槽3上的溢流口B中成为最终尾矿，从而实现强磁性矿物的预选或精选作业。As shown in FIG. 1 , start the equipment, the main shaft 6 and the magnetic system 5 rotate under the drive of the magnetic system transmission device 1 , and the cylinder 2 rotates around the main shaft 6 and the magnetic system 5 under the drive of the cylinder transmission device 9 . The magnetic system 5 forms an intermittent permanent magnetic field in the sorting chamber C between the cylinder body 2 and the beneficiation tank 3. During the operation of the equipment, with the rotation of the magnetic system 5, the intermittent permanent magnetic field in the sorting chamber C changes. For mobile intermittent magnetic fields. At this time, the ore pulp enters the separation chamber C from the ore feeding port A on the beneficiation tank 3. Driven by the cylinder 2, the ore pulp in the separation chamber C rotates centrifugally, and the magnetite with larger specific gravity and stronger magnetism The magnetic field force and gravity of the monomer in the sorting chamber C play a leading role, and are attracted to the inside of the sorting chamber C by the magnetic field. After being broken up to remove inclusions, they fall into the concentrate diversion tank in the beneficiation tank 3 under the action of gravity, and finally fall into the concentrate port E; The centrifugal force and gravity in C play a leading role, and move to the outside of the sorting chamber C. Under the action of the mobile intermittent magnetic field and the grid sieve 4, after repeated agglomeration, loosening and breaking up to eliminate inclusions, the Under the action of gravity, it falls into the middle ore port D on the beneficiation tank 3; the gangue particles with the smallest specific gravity and non-magnetic will enter the overflow port B on the beneficiation tank 3 along with the rising water flow from the water supply device 8 to become the final tailings. Mine, so as to realize the pre-selection or beneficiation of strong magnetic minerals.
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| CN105944830B (en) * | 2016-07-11 | 2018-08-03 | 成都华矿科技有限公司 | A kind of magnetic separator |
| CN107570320B (en) * | 2017-10-27 | 2024-03-22 | 岳阳大力神电磁机械有限公司 | Dry-wet two-purpose permanent magnet separator |
| CN109482345B (en) * | 2018-11-13 | 2020-04-17 | 林星星 | Mixed piece separator of copper iron |
| CN111195560A (en) * | 2020-03-31 | 2020-05-26 | 安庆美特优智能科技有限公司 | Magnetic separation disc and magnetic separator for purifying quartz sand |
| CN113492058B (en) * | 2021-06-01 | 2022-12-23 | 辽宁科技大学 | Mechanical swing dispersing device for permanent magnet drum type magnetic separator |
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| US3887458A (en) * | 1972-05-26 | 1975-06-03 | Bermeco Oy | Permanent magnet strong field separator |
| US4315816A (en) * | 1976-11-04 | 1982-02-16 | Klockner-Humboldt-Deutz Ag | High intensity magnetic field drum separator |
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