CN101648162B - Magnetic separating method and magnetic separator - Google Patents
Magnetic separating method and magnetic separator Download PDFInfo
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- CN101648162B CN101648162B CN2009100442307A CN200910044230A CN101648162B CN 101648162 B CN101648162 B CN 101648162B CN 2009100442307 A CN2009100442307 A CN 2009100442307A CN 200910044230 A CN200910044230 A CN 200910044230A CN 101648162 B CN101648162 B CN 101648162B
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Abstract
The invention discloses a magnetic separating method for improving the recovering effect of the fine-grained magnetic materials, which is characterized in that the materials rotate along with a separating drum in the separating drum and are separated under the common action of rinse water, wash water and the gradient of the separating drum. A magnetic separator for realizing the method is characterized in that a rack [2] is provided with a magnetic system [9] and the separating drum [8] driven by power [1], the included angle between the separating drum [8] and the horizontal plane is 6-20 degrees, a feeding device [11] is arranged on the upper part of the front end of the separating drum [8] and a discharging device [4] is arranged on the lower part of the tail end of the separating drum [8], a rinsing water pipe [5] and a washing water pipe [10] are arranged in the separating drum [8], a material receiving chute [7] is arranged below the washing water pipe [10] and is connected with the discharging device of the magnetic materials. The method of the invention is feasible, the equipment is simple, the purity of the magnetic materials is improved by 10-20% and the yield is improved by over 10%.
Description
Technical field:
The present invention relates to a kind of from fluid the method and apparatus of separating solids material, specifically a kind of magnetic separating method and magnetic separator.
Background technology:
Magnetic separator is industrial widely used magnetic separating apparatus.It is the difference of the specific susceptibility size of separation of material as required, realizes separating of mineral that mineral that magnetic is big and magnetic are little.According to various mineral specific susceptibility sizes, magnetic separator is divided into the low intensity magnetic separation machine and (is mainly used in the concentration criterion susceptibility greater than 70000 * 10
-9m
3/ Kg strongly magnetic mineral, such as magnetic iron ore, contain vanadium titano-magnetite etc.), middle magnetic separator (is mainly used in the concentration criterion susceptibility greater than 100 * 10
-9m
3The middle magnetic mineral of/Kg is such as ilmenite, chromite etc.), intensity magnetic separator (is mainly used in the concentration criterion susceptibility greater than 10 * 10
-9m
3The weak magnetic mineral of/Kg is such as bloodstone, limonite, wolframite etc.).The magnetic system that magnetic separator adopts is divided into permanent magnetic system and electromagnetism magnetic system.The low intensity magnetic separation machine adopts occupying the majority of permanent magnetic system, and middle magnetic separator, intensity magnetic separator can adopt permanent magnetic system or electromagnetism magnetic system.Present widely used drum magnetic separator is that material is fed the magnetic separator material inlet, magnetic material and non-magnetic material are subjected to the effect of magnetic force and gravity respectively, under the magnetic field effect that magnetic separator magnetic system produces, the magnetic force that magnetic material is subjected to is far longer than non-magnetic material, thereby discharge port is taken in firm being inhaled on barrel, be rinsed water and unload, and the gravity that non-magnetic material is subjected to is greater than magnetic force, thereby brought into the mine tailing discharge gate of magnetic separator bottom by gravity.Because be subjected to the restriction of device structure form, magnetic system adopts monoblock rectangle magnetic patch, S, the N utmost point alternately, the disk pack angle generally can only reach 90 degree-135 degree, number of magnetic poles has only 3 utmost points-6 utmost point, magnetic material can only roll in the magnetic separation process 3 times-6 times.Simultaneously,, cause very big impulsive force, make that fine grain magnetic material recovering effect is poor because the volume of ore pulp is big.
Summary of the invention:
The purpose of this invention is to provide a kind of magnetic separating method and magnetic separator that improves fine grained magnetic material recovering effect.
The present invention adopts following technical scheme to realize its goal of the invention, a kind of magnetic separating method, material rotates in magnetic field with the sorting rotating cylinder in the sorting rotating cylinder, material is subjected to the acting in conjunction of magnetic force, gravity and centrifugal force, magnetic material and non-magnetic material layering are adsorbed on sorting rotating cylinder inwall, under the gradient acting in conjunction of washings, flushing water and sorting rotating cylinder, the realization magnetic material separates with non-magnetic material.
The gradient of sorting rotating cylinder of the present invention is 6 degree-20 degree.
A kind of magnetic separator of realizing above-mentioned magnetic separating method, it comprises frame, power, charging gear, device for discharging, magnetic system, is provided with the sorting rotating cylinder that is driven by power by the rotating cylinder carrying roller on the frame, the angle of sorting rotating cylinder and level is 6 degree-20 degree; Magnetic system is that carriage is installed on the frame by magnetic; Charging gear is located at sorting rotating cylinder upper front end, and device for discharging comprises magnetic material device for discharging, non-magnetic material device for discharging, is located at sorting rotating cylinder tail end bottom; Be provided with rinsing water pipe and wash tub pipe in the sorting rotating cylinder, wash tub pipe has mine-carrying groove, and mine-carrying groove links to each other with the magnetic material device for discharging.
The disk pack angle of its magnetic system of the present invention is at 120 degree-270 degree, and number of magnetic poles is 6 utmost points-32 utmost points.
The present invention is for guaranteeing the magnetic field intensity and the gradient of sorting rotating cylinder barrel, effectively the slow down rate of decay in magnetic field increases the magnetic field degree of depth of magnetic field in this magnetic system, and its magnetic system comprises magnetic pole, be provided with extruding magnetic pole, barricade between the magnetic pole, the excitation face of described extruding magnetic pole is the face adjacent with magnetic pole.
Extruding magnetic pole of the present invention is trapezoidal, and its waist is an excitation face and adjacent with magnetic pole.
The present invention is for adapting to the difference of material particles size, and sorting rotating cylinder inwall is provided with circular inner liner.
Liner of the present invention is the set of rectangle projection or triangular bump or trapezoidal projection or U type projection.
The present invention is for regulating the gradient of sorting rotating cylinder, and frame is installed on the adjusting supporting rack that can regulate the frame gradient, and gradient adjustable range is 0 degree-20 degree.
Owing to adopt technique scheme, the present invention has realized goal of the invention preferably, its method is feasible, equipment is simple, the disk pack angle can be expanded 120 degree-270 degree to, number of magnetic poles can be set to 6 utmost points～32 utmost points, has strengthened rolling of material greatly, helps the separation of material and purity (grade) 10%-20% of raising magnetic material; Simultaneously, magnetic material is subjected to making a concerted effort of gravity, magnetic force and centrifugal force, makes that fine grained magnetic material adhesion on sorting rotating cylinder inwall is bigger, and magnetic material reaches enrichment by repeatedly rolling, and improving the rate of recovery of fine grained magnetic material by action of centrifugal force, productive rate improves more than 10%.
Description of drawings:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A profile of Fig. 1.
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing.
As seen from Figure 1, Figure 2, a kind of magnetic separating method, material rotates in magnetic field with the sorting rotating cylinder in the sorting rotating cylinder, material is subjected to the acting in conjunction of magnetic force, gravity and centrifugal force, magnetic material and non-magnetic material layering are adsorbed on sorting rotating cylinder inwall, under the gradient acting in conjunction of washings, flushing water and sorting rotating cylinder, the realization magnetic material separates with non-magnetic material.
The gradient of sorting rotating cylinder of the present invention is 6 degree-20 degree (present embodiment is 8 degree).
A kind of magnetic separator of realizing above-mentioned magnetic separating method, it comprises that frame 2, power 1, charging gear 11, device for discharging 4, magnetic are 9, be provided with the sorting rotating cylinder 8 that is driven by power 1 by rotating cylinder carrying roller 3 on the frame 2, sorting rotating cylinder 8 is 6 degree-20 degree (present embodiment is 8 degree) with the angle of level; Magnetic is 9 to be that carriage 6 is installed on the frame 2 by magnetic; Charging gear 11 is located at sorting rotating cylinder 8 upper front end, and device for discharging 4 comprises magnetic material device for discharging, non-magnetic material device for discharging, is located at sorting rotating cylinder 8 tail end bottoms; Be provided with rinsing water pipe 5 and wash tub pipe 10 in the sorting rotating cylinder 8, wash tub pipe 10 has mine-carrying groove 7, and mine-carrying groove 7 links to each other with the magnetic material device for discharging.
Its magnetic of the present invention be 9 disk pack angle 120 degree-270 degree (present embodiment is 240 degree), number of magnetic poles is 6 utmost points-32 utmost point (present embodiment is 13 utmost points) according to the diameter setting of sorting rotating cylinder 8.
The present invention is for guaranteeing the magnetic field intensity and the gradient of sorting rotating cylinder 8 barrels, the rate of decay in magnetic field effectively slows down, increase the magnetic field degree of depth of magnetic field in this magnetic system, its magnetic is 9 to comprise magnetic pole 15, be provided with extruding magnetic pole 14, barricade 16 between the magnetic pole 15, the excitation face of described extruding magnetic pole 14 is the face adjacent with magnetic pole 15.
Extruding magnetic pole 14 of the present invention is trapezoidal, and its waist is an excitation face and adjacent with magnetic pole 15.
The present invention is for adapting to the difference of material particles size, and sorting rotating cylinder 8 inwalls are provided with circular inner liner 13.
According to the difference of material particles size, select the liner 13 of different structure for use, make magnetic force, centrifugal force and gravity that sorted materials is subjected in sorting rotating cylinder 8 make a concerted effort also different, thereby the sorting of realization material of different grain size.
The present invention is for regulating the gradient of sorting rotating cylinder 8, and frame 2 is installed on the adjusting supporting rack 12 that can regulate frame 2 gradients, and gradient adjustable range is 0 degree-20 degree (present embodiment is 8 degree).
Magnetic separator of the present invention is according to the character of material, sorting rotating cylinder 8 can adopt 1 grade-10 grades (present embodiment is 2 grades), the length of every grade of sorting rotating cylinder 8 is 300mm-2200mm (present embodiment is 1500mm), the magnetic of every grade of sorting rotating cylinder 8 is 9 can be according to the character of material, select different magnetic field intensities, the interval range of magnetic field intensity is 1000 Gausses-12000 Gauss (present embodiment is 3000 Gausses, 6000 Gausses).
When the present invention worked, in the cycle, material was sent in the sorting rotating cylinder 8 by charging gear 11 at a circular motion, and material is subjected to the acting in conjunction of magnetic force, gravity and centrifugal force, and magnetic material and non-magnetic material layering are adsorbed on sorting rotating cylinder 8 inwalls; On material reaches the sidewall relative with feed, carry out rinsing by 5 pairs of materials of rinsing water pipe, non-magnetic material is unloaded, and send into the non-magnetic material device for discharging; Magnetic material continues to move to the top discharge zone, by wash tub pipe 10 magnetic material is discharged into mine-carrying groove 7, and sends into the magnetic material device for discharging by mine-carrying groove 7, enters second distinguishing period again.
Claims (7)
1. magnetic separator, it comprises frame [2], power [1], charging gear [11], device for discharging [4], magnetic system [9], it is characterized in that frame [2] upward is provided with the sorting rotating cylinder [8] that is driven by power [1] by rotating cylinder carrying roller [3], sorting rotating cylinder [8] is 6 degree-20 degree with the angle of level; Magnetic system [9] is that carriage [6] is installed on the frame [2] by magnetic; Charging gear [11] is located at sorting rotating cylinder [8] upper front end, and device for discharging [4] comprises magnetic material device for discharging, non-magnetic material device for discharging, is located at sorting rotating cylinder [8] tail end bottom; Be provided with rinsing water pipe [5] and wash tub pipe [10] in the sorting rotating cylinder [8], wash tub pipe [10] has mine-carrying groove [7], and mine-carrying groove [7] links to each other with the magnetic material device for discharging.
2. magnetic separator according to claim 1, the disk pack angle that it is characterized in that its magnetic system [9] is at 120 degree-270 degree, and number of magnetic poles is 6 utmost points-32 utmost points.
3. magnetic separator according to claim 2 is characterized in that its magnetic system [9] comprises magnetic pole [15], is provided with extruding magnetic pole [14], barricade [16] between the magnetic pole [15], and the excitation face of described extruding magnetic pole [14] is and the adjacent face of magnetic pole [15].
4. magnetic separator according to claim 3 is characterized in that described extruding magnetic pole [14] for trapezoidal, and its waist is an excitation face and adjacent with magnetic pole [15].
5. magnetic separator according to claim 1 and 2 is characterized in that sorting rotating cylinder [8] inwall is provided with circular inner liner [13].
6. magnetic separator according to claim 5 is characterized in that the set of liner [13] for rectangle projection or triangular bump or trapezoidal projection or U type projection.
7. magnetic separator according to claim 1 and 2 is characterized in that frame [2] is installed on the adjusting supporting rack [12] that can regulate frame [2] gradient, and gradient adjustable range is 0 degree-20 degree.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100442307A CN101648162B (en) | 2009-08-28 | 2009-08-28 | Magnetic separating method and magnetic separator |
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|---|---|---|---|
| CN2009100442307A CN101648162B (en) | 2009-08-28 | 2009-08-28 | Magnetic separating method and magnetic separator |
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| CN101648162A CN101648162A (en) | 2010-02-17 |
| CN101648162B true CN101648162B (en) | 2011-11-09 |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527504B (en) * | 2012-01-18 | 2014-06-04 | 长沙矿冶研究院有限责任公司 | Magnetic ore dressing method |
| CN102631981A (en) * | 2012-04-23 | 2012-08-15 | 沅江科源机械设备制造有限公司 | Magnetic suspension type combined beneficiation method of mixed iron ores |
| CN103623920A (en) * | 2013-12-10 | 2014-03-12 | 北矿机电科技有限责任公司 | Magnetic system of external magnetic type magnetic separator |
| CN104475244B (en) * | 2014-12-09 | 2017-07-28 | 北矿机电科技有限责任公司 | A kind of outer magnetic cylinder formula magnet separator magnetic system |
| CN104689908A (en) * | 2015-02-26 | 2015-06-10 | 山西众恒磁性材料有限公司 | Permanent magnetism barrel magnetic separator and assembly method thereof |
| CN104907167B (en) * | 2015-05-08 | 2017-03-15 | 河北钢铁集团矿业有限公司 | A kind of with the cylinder magnetic separator for roughly selecting, scanning function |
| US10722903B2 (en) * | 2015-05-28 | 2020-07-28 | Bei Jing Ke Neng Mei Da Er Huan Bao Ke Ji Co., Ltd. | Tailings resource recovery process |
| CN105536984B (en) * | 2016-01-26 | 2019-04-05 | 辽宁科技大学 | A kind of magnetic selection method having both tailings discarding by preconcentration and thickness grading and three product magnetic separators |
| CN107537684A (en) * | 2017-09-14 | 2018-01-05 | 中南大学 | A kind of sorting unit |
| CN110038714A (en) * | 2019-03-29 | 2019-07-23 | 中冶北方（大连）工程技术有限公司 | Two product ore-dressing technique of vanadium titano-magnetite tailing |
| CN110038716A (en) * | 2019-03-29 | 2019-07-23 | 中冶北方（大连）工程技术有限公司 | Vanadium titano-magnetite tailing recycles technique |
| CN111661496B (en) * | 2020-05-15 | 2021-12-17 | 江苏佩华建材设备有限公司 | Viscous material discharger with three-dimensional shearing function |
| CN112024120B (en) * | 2020-08-13 | 2021-12-07 | 长沙矿冶研究院有限责任公司 | Beneficiation method for micro-fine-particle-grade hematite and limonite |
| CN113600338A (en) * | 2021-08-10 | 2021-11-05 | 山东齐力环保科技有限公司 | Wet magnetic separator and waste catalyst wet recovery system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB152549A (en) * | 1919-12-24 | 1920-10-21 | Francisco Quinonero | Improvements in or relating to magnetic separators for treating ferrous ores |
| CN2501580Y (en) * | 2001-08-01 | 2002-07-24 | 赣州有色冶金研究所 | High gradient magnetic separator with vertical ring pulsating mechanism |
| CN101402064A (en) * | 2008-11-18 | 2009-04-08 | 长沙矿冶研究院 | Beneficiation method and beneficiation device for micro-fine particle magnetic minerals |
-
2009
- 2009-08-28 CN CN2009100442307A patent/CN101648162B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB152549A (en) * | 1919-12-24 | 1920-10-21 | Francisco Quinonero | Improvements in or relating to magnetic separators for treating ferrous ores |
| CN2501580Y (en) * | 2001-08-01 | 2002-07-24 | 赣州有色冶金研究所 | High gradient magnetic separator with vertical ring pulsating mechanism |
| CN101402064A (en) * | 2008-11-18 | 2009-04-08 | 长沙矿冶研究院 | Beneficiation method and beneficiation device for micro-fine particle magnetic minerals |
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Owner name: CHANGSHA RESEARCH INSTITUTE OF MINING AND METALLUR Effective date: 20141212 |
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Owner name: HUNAN KEYUAN MAGNETIC EQUIPMENT CO., LTD. Free format text: FORMER NAME: YUANJIANG KEYUAN MACHINERY MANUFACTURING CO., LTD. |
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Inventor after: Zeng Weilong Inventor after: Liu Hengqi Inventor after: Chen Zhiqiang Inventor after: An Dengqi Inventor after: Li Huiyue Inventor after: Zeng Shanglin Inventor before: An Dengqi Inventor before: Zeng Zheng Inventor before: Liu Lihua Inventor before: Chen Zhiqiang |
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Free format text: CORRECT: INVENTOR; FROM: AN DENGQI CENG ZHENG LIU LIHUA CHEN ZHIQIANG TO: CENG WEILONG LIU HENGQI CHEN ZHIQIANG AN DENGQI LI HUIYUE CENG SHANGLIN |
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Address after: 413100 Yuanjiang Economic Development Zone, Hunan, Yiyang Patentee after: HUNAN KEYUAN MAGNETIC EQUIPMENT Co.,Ltd. Address before: 413100 Hunan Yuanjiang real estate exchange Chen Zhiqiang Patentee before: Yuanjiang Keyuan Machinery Manufacturing Co.,Ltd. |
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Effective date of registration: 20141212 Address after: 413100 Yuanjiang Economic Development Zone, Hunan, Yiyang Patentee after: HUNAN KEYUAN MAGNETIC EQUIPMENT Co.,Ltd. Patentee after: Changsha Research Institute Of Mining And Metallurgy Ltd. Address before: 413100 Yuanjiang Economic Development Zone, Hunan, Yiyang Patentee before: HUNAN KEYUAN MAGNETIC EQUIPMENT Co.,Ltd. |