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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- transmission device
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- main shaft
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- 239000006148 magnetic separator Substances 0.000 title claims abstract description 25
- 239000006185 dispersion Substances 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 239000012141 concentrate Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000005284 excitation Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 7
- 239000012634 fragment Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 26
- 229910052742 iron Inorganic materials 0.000 abstract description 13
- 230000005484 gravity Effects 0.000 abstract description 9
- 238000000926 separation method Methods 0.000 abstract description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 description 9
- 239000011707 mineral Substances 0.000 description 9
- 230000001174 ascending effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000007885 magnetic separation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The invention belongs to the technical field of low-intensity magnetic separators for magnetic iron ore separation, and particularly relates to a rotating magnetic field efficient dispersion magnetic separator based on a magnetic field force, gravity, a centrifugal force a mechanical dispersion force. The separator comprises a magnetic system transmission device, a barrel, a separation trench, a grate, a magnetic system, a main shaft, a rack, a water supply device and a barrel transmission device, wherein the magnetic system transmission device and the barrel transmission device are mounted at the two side ends of the upper part of the rack respectively; the main shaft is sleeved with the barrel and the magnetic system; a separation cavity is arranged between side walls of the barrel and the separation trench and internally provided with the grate; the upper end of the main shaft is connected with the magnetic system transmission device; the lower end of the main shaft is arranged on the rack by a bearing; the barrel is connected with the barrel transmission device; an ore feed port and an overflow port are formed in two side walls of the upper end of the separation trench respectively; a middling port and a concentrate port are formed in the lower end face of the separation trench; and a concentrate guiding trench is formed in the separation trench and under the barrel and communicated with the concentrate port.
Description
Technical field
The invention belongs to the low-intensity (magnetic) separator technical field that magnetic iron ore sorts, particularly relate to a kind of rotating excitation field high efficiency dispersion magnetic separator breaing up power based on magnetic field force, gravity, centrifugal force and machinery.
Background technology
Magnetic separation is simply a kind of and effective material processing method, can avoid the medicament pollution of chemical treatment method and the drawback of high cost.Because the iron ore grade of China is low, impurity content is high, have to pass through multistage magnetic separation separation and could obtain qualified iron-smelting raw material.For ferromagnetism ore, adopt low-intensity (magnetic) separator can effectively obtain high-grade iron ore concentrate, but if need to obtain Iron grade higher than the iron ore concentrate of 67%, just must adopt the picking equipment of column magnetic separator one class.
Permanent-magnet drum type magnetic separator is the most general low-intensity (magnetic) separator that domestic and international ore dressing plant adopts, but because this equipment sorting interval is limited, magnetic coagulation cannot fully disperse, and causes the increase rate of concentrate grade limited, also limit to a certain extent as blast furnace provides fine fodder.
The selected main employing electromagnetic field column magnetic separator at present of magnetic iron ore, it is a kind of picking equipment based on magnetic field force, gravity and ascending water impulse force, magnetic mineral is magnetized in the magnetic field in sorting cylinder, form magnetic and roll into a ball downward sedimentation, the region more weak in magnetic field, magnetic group is opened by ascending current, and gangue mineral is wherein cleaned out, discharge from top, concentrate is discharged from bottom.Although column magnetic separator iron concentrate grade can be increased to 69% even higher more than, but still there is following problem:
(1) water consumption is bigger than normal, per tonly needs with 2 to 4 tons, water to ore deposit;
(2) feed preparation unit size is required that comparatively strictly the suitable feed preparation unit size of general column magnetic separator is 0.2mm;
(3) tailings grade of column magnetic separator is higher, and a part is poor, rich intergrowth is easy to along with gangue enters mine tailing, causes mine tailing to be still needed because grade is higher and continues process.
The Rotating field magnetic separator being seen in report at present is also the equipment utilizing magnetic field force, gravity, ascending water impulse force to carry out sorting, rotating mainly through magnetic system the change in polarity produced makes magnetic roll into a ball generation magnetic rolling, under the effect of toroidal magnetic field, magnetic ore particle is magnetized, reunite, sedimentation, thus the gangue wherein wrapped up is developed by ascending water and discharges from top to become mine tailing, and magnetic mineral becomes concentrate bottom being settled down to.Compared with column magnetic separator, owing to not possessing clear superiority, this equipment is caused not to be successfully applied to production.
Research shows, after primary grinding, the magnetic iron ore being contained in more than 30% in ore occurs with monomer dissociation state, current magnetic plant cannot realize the function separated in advance by this part magnetic iron ore, therefore the compound force field magnetic plant of development of new, meets high efficiente callback, energy-saving and cost-reducing mining development trend.
Summary of the invention
For prior art Problems existing, the present invention provides one preliminary election can isolate magnetite concentrate for mineral aggregate after strongly magnetic mineral primary grinding or a stages of magnetic separation, and effectively can throw the rotating excitation field high efficiency dispersion magnetic separator except mine tailing.
To achieve these goals, the present invention adopts following technical scheme: a kind of rotating excitation field high efficiency dispersion magnetic separator, comprise magnetic system transmission device, cylindrical shell, concentration basin, diagrid, magnetic system, main shaft, frame, waterworks and cylindrical shell transmission device, be separately installed with magnetic system transmission device and cylindrical shell transmission device in described upper rack two side ends; Described main shaft is set with cylindrical shell and magnetic system; Described magnetic system is arranged in cylindrical shell, and described concentration basin is arranged at outside cylindrical shell; Described cylindrical shell is matched with main shaft by bearing, described magnetic system and main shaft secure fit; Be set to sorting chamber between described cylinder lateral wall and concentration basin sidewall, in described sorting chamber, be provided with diagrid; Described main shaft, cylindrical shell and magnetic system are all set to vertical structure; Described main shaft upper end is connected with magnetic system transmission device, and main shaft lower end is arranged in frame by bearing; Described cylindrical shell is connected with cylindrical shell transmission device; In described concentration basin, the below of sorting chamber is provided with the water inlet of waterworks; Feed port and overfall is respectively arranged with, mine mouth and concentrate mouth in the lower surface of concentration basin is provided with at the two side place of described concentration basin upper end; In described concentration basin, immediately below cylindrical shell, be provided with concentrate guiding gutter, described concentrate guiding gutter is connected with concentrate mouth.
Described cylindrical shell adopts non-magnet_conductible material, and cylindrical shell outer lining is provided with 3-10mm wear-resistant protective layer.
Described magnetic is permanent-magnet material, it is step-by-step arrangement along the circumferential direction, number of fragments is 2-10 sections, and the cornerite of every section of magnetic system is 10-150 °, every section of magnetic system by extremely wide be that the main pole group of 30-195mm is formed, its circumferencial direction main pole group is set to N, S pole and is alternately arranged or same polarity arrangement.
Be provided with auxiliary magnetic pole between two described main pole groups, the extremely wide of described auxiliary magnetic pole is 20-100mm.
Be set to batch (-type) permanent magnetic field by magnetic system in described sorting chamber, its magnetic field intensity is 20-300mT.
Be set between described magnetic system and cylindrical shell simultaneously, in the same way or incorgruous High Rotation Speed.
Described magnetic system and the rotating speed of cylindrical shell are all set to 0-100r/min.
Described magnetic system transmission device and cylindrical shell transmission device adopt belt transmission system, chain drive system or gear train assembly.
Beneficial effect of the present invention:
1, the present invention is compared with existing equipment, and having to be mineral aggregate after strongly magnetic mineral primary grinding or a stages of magnetic separation, and magnetite concentrate is isolated in preliminary election, and effectively can throw the feature except mine tailing, also can play the selected effect of iron ore concentrate simultaneously.
2, the present invention adopts compound force field to design, it is a kind of weak magnetic permanent magnetic field magnetic plant, break up the effect of power based on magnetic field force, gravity, ascending water impulse force, centrifugal force and machinery, realize the preliminary election of strongly magnetic mineral or selected operation, there is the ability obtaining high grade iron concentrate.
Accompanying drawing explanation
Fig. 1 is a kind of rotating excitation field high efficiency dispersion magnetic separator structural representation of the present invention;
Fig. 2 is the F-F sectional view of Fig. 1;
In figure, 1-magnetic system transmission device, 2-cylindrical shell, 3-concentration basin, 4-diagrid, 5-magnetic system, 6-main shaft, 7-frame, 8-waterworks, 9-cylindrical shell transmission device, 10-concentrate guiding gutter, A-feed port, B-overfall, C-sorting chamber, D-middle mine mouth, E-concentrate mouth.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, 2, a kind of rotating excitation field high efficiency dispersion magnetic separator, comprise magnetic system transmission device 1, cylindrical shell 2, concentration basin 3, diagrid 4, magnetic system 5, main shaft 6, frame 7, waterworks 8 and cylindrical shell transmission device 9, be separately installed with magnetic system transmission device 1 and cylindrical shell transmission device 9 in described frame 7 top two side ends; Described main shaft 6 is set with cylindrical shell 2 and magnetic system 5; Described magnetic system 5 is arranged in cylindrical shell 2, and described concentration basin 3 is arranged at outside cylindrical shell 2; Described cylindrical shell 2 is matched with main shaft 6 by bearing, described magnetic system 5 and main shaft 6 secure fit; Be set to sorting chamber C between described cylindrical shell 2 sidewall and concentration basin 3 sidewall, in described sorting chamber C, be provided with diagrid 4; Described main shaft 6, cylindrical shell 2 and magnetic system 5 are all set to vertical structure; Described main shaft 6 upper end is connected with magnetic system transmission device 1, and main shaft 6 lower end is arranged in frame 7 by bearing; Described cylindrical shell 2 is connected with cylindrical shell transmission device 9; In described concentration basin 3, the below of sorting chamber C is provided with the water inlet of waterworks 8; Feed port A and overfall B is respectively arranged with, mine mouth D and concentrate mouth E in the lower surface of concentration basin 3 is provided with at the two side place of described concentration basin 3 upper end; In described concentration basin 3, be provided with concentrate guiding gutter 10 immediately below cylindrical shell 2, described concentrate guiding gutter 10 is connected with concentrate mouth E.
Described cylindrical shell 2 adopts non-magnet_conductible material, and cylindrical shell outer lining is provided with 3-10mm wear-resistant protective layer.
Described magnetic system 5 is permanent-magnet material, it is step-by-step arrangement along the circumferential direction, number of fragments is 2-10 sections, and the cornerite of every section of magnetic system 5 is 10-150 °, every section of magnetic system 5 by extremely wide be that the main pole group of 30-195mm is formed, its circumferencial direction main pole group is set to N, S pole and is alternately arranged or same polarity arrangement.
Be provided with auxiliary magnetic pole between two described main pole groups, the extremely wide of described auxiliary magnetic pole is 20-100mm.
Be set to batch (-type) permanent magnetic field by magnetic system 5 in described sorting chamber C, its magnetic field intensity is 20-300mT.
Be set between described magnetic system 5 and cylindrical shell 2 simultaneously, in the same way or incorgruous High Rotation Speed.
Described magnetic system 5 is all set to 0-100r/min with the rotating speed of cylindrical shell 2.
Described magnetic system transmission device 1 and cylindrical shell transmission device 9 adopt belt transmission system, chain drive system or gear train assembly.
Below in conjunction with accompanying drawing, use procedure of the present invention is described:
As shown in Figure 1, starting device, main shaft 6 and magnetic system 5 rotate under the drive of magnetic system transmission device 1, cylindrical shell 2 under the drive of cylindrical shell transmission device 9 around main shaft 6 and magnetic system 5 rotation.Define batch (-type) permanent magnetic field in the sorting chamber C of magnetic system 5 between cylindrical shell 2 and concentration basin 3, in equipment operation process, along with the rotation of magnetic system 5, the batch (-type) permanent magnetic field in sorting chamber C has become portable interval magnetic field.Now, ore pulp enters in sorting chamber C from the feed port A concentration basin 3, ore pulp under the drive of cylindrical shell 2 in sorting chamber C does centrifugal rotation, the magnetic field force that comparatively large, that magnetic the is stronger magnetic iron ore monomer of proportion is subject in sorting chamber C and gravity play leading role, by magnetic field suction to the inner side of sorting chamber C, under the interval magnetic field of movable type and the effect of diagrid 4, through repeatedly reuniting, loose and break up after eliminating is mingled with, fall under gravity into again in the concentrate guiding gutter in concentration basin 3, finally fall into concentrate mouth E; The centrifugal force that the intergrowth particle that proportion is less, magnetic is more weak is suffered in sorting chamber C and gravity play leading role, move to the outside of sorting chamber C, under the interval magnetic field of movable type and the effect of diagrid 4, through repeatedly reuniting, loose and break up after eliminating is mingled with, fall under gravity in the middle mine mouth D on concentration basin 3; Minimum, the non-magnetic gangue particle of proportion, along with the ascending current entered by waterworks 8, enters in the overfall B on concentration basin 3 and becomes true tailings, thus realizes the preliminary election of strongly magnetic mineral or selected operation.
Claims (8)
1. a rotating excitation field high efficiency dispersion magnetic separator, it is characterized in that: comprise magnetic system transmission device, cylindrical shell, concentration basin, diagrid, magnetic system, main shaft, frame, waterworks and cylindrical shell transmission device, be separately installed with magnetic system transmission device and cylindrical shell transmission device in described upper rack two side ends; Described main shaft is set with cylindrical shell and magnetic system; Described magnetic system is arranged in cylindrical shell, and described concentration basin is arranged at outside cylindrical shell; Described cylindrical shell is matched with main shaft by bearing, described magnetic system and main shaft secure fit; Be set to sorting chamber between described cylinder lateral wall and concentration basin sidewall, in described sorting chamber, be provided with diagrid; Described main shaft, cylindrical shell and magnetic system are all set to vertical structure; Described main shaft upper end is connected with magnetic system transmission device, and main shaft lower end is arranged in frame by bearing; Described cylindrical shell is connected with cylindrical shell transmission device; In described concentration basin, the below of sorting chamber is provided with the water inlet of waterworks; Feed port and overfall is respectively arranged with, mine mouth and concentrate mouth in the lower surface of concentration basin is provided with at the two side place of described concentration basin upper end; In described concentration basin, immediately below cylindrical shell, be provided with concentrate guiding gutter, described concentrate guiding gutter is connected with concentrate mouth.
2. a kind of rotating excitation field high efficiency dispersion magnetic separator according to claim 1, is characterized in that: described cylindrical shell adopts non-magnet_conductible material, and cylindrical shell outer lining is provided with 3-10mm wear-resistant protective layer.
3. a kind of rotating excitation field high efficiency dispersion magnetic separator according to claim 1, it is characterized in that: described magnetic is permanent-magnet material, it is step-by-step arrangement along the circumferential direction, number of fragments is 2-10 sections, and the cornerite of every section of magnetic system is 10-150 °, every section of magnetic system by extremely wide be that the main pole group of 30-195mm is formed, its circumferencial direction main pole group is set to N, S pole and is alternately arranged or same polarity arrangement.
4. a kind of rotating excitation field high efficiency dispersion magnetic separator according to claim 3, is characterized in that: be provided with auxiliary magnetic pole between described main pole group, and the extremely wide of described auxiliary magnetic pole is 20-100mm.
5. a kind of rotating excitation field high efficiency dispersion magnetic separator according to claim 1, is characterized in that: be set to batch (-type) permanent magnetic field by magnetic system in described sorting chamber, its magnetic field intensity is 20-300mT.
6. a kind of rotating excitation field high efficiency dispersion magnetic separator according to claim 1, is characterized in that: be set between described magnetic system and cylindrical shell simultaneously, in the same way or incorgruous High Rotation Speed.
7. a kind of rotating excitation field high efficiency dispersion magnetic separator according to claim 1, is characterized in that: described magnetic system and the rotating speed of cylindrical shell are all set to 0-100r/min.
8. a kind of rotating excitation field high efficiency dispersion magnetic separator according to claim 1, is characterized in that: described magnetic system transmission device and cylindrical shell transmission device adopt belt transmission system, chain drive system or gear train assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310039293.XA CN103071587B (en) | 2013-01-31 | 2013-01-31 | Rotating magnetic field efficient dispersion magnetic separator |
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| CN201310039293.XA CN103071587B (en) | 2013-01-31 | 2013-01-31 | Rotating magnetic field efficient dispersion magnetic separator |
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| CN103071587A CN103071587A (en) | 2013-05-01 |
| CN103071587B true CN103071587B (en) | 2015-05-27 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN1887433A (en) * | 2006-07-13 | 2007-01-03 | 柳州市远健磁力设备制造有限责任公司 | Wet magnetic separator |
| CN201208575Y (en) * | 2008-06-08 | 2009-03-18 | 马鞍山市天工科技有限公司 | Wet magnetic separator for permanent magnet barrel type fine particles |
| CN203091075U (en) * | 2013-01-31 | 2013-07-31 | 沈阳恒创思源矿业科技开发有限公司 | Efficient dispersing magnetic separator for rotating magnetic field |
-
2013
- 2013-01-31 CN CN201310039293.XA patent/CN103071587B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN1887433A (en) * | 2006-07-13 | 2007-01-03 | 柳州市远健磁力设备制造有限责任公司 | Wet magnetic separator |
| CN201208575Y (en) * | 2008-06-08 | 2009-03-18 | 马鞍山市天工科技有限公司 | Wet magnetic separator for permanent magnet barrel type fine particles |
| CN203091075U (en) * | 2013-01-31 | 2013-07-31 | 沈阳恒创思源矿业科技开发有限公司 | Efficient dispersing magnetic separator for rotating magnetic field |
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Inventor after: Yuan Zhitao Inventor after: Zhang Xianwei Inventor after: Zhang Qiang Inventor after: Zhang Xi Inventor after: Chen Dezhong Inventor after: Zhang Qingyu Inventor after: Ding Linrui Inventor before: Guo Xiaofei Inventor before: Yuan Zhitao Inventor before: Zhang Xianwei Inventor before: Xu Dipeng Inventor before: Ding Qiuke Inventor before: Wang Bingzhi Inventor before: Luo Wei |
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