CN1404924A - Method for sorting weak magnetic minerals and apparatus - Google Patents
Method for sorting weak magnetic minerals and apparatus Download PDFInfo
- Publication number
- CN1404924A CN1404924A CN 02139743 CN02139743A CN1404924A CN 1404924 A CN1404924 A CN 1404924A CN 02139743 CN02139743 CN 02139743 CN 02139743 A CN02139743 A CN 02139743A CN 1404924 A CN1404924 A CN 1404924A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- separatory vessel
- water level
- bucket
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The method for separating 6 mm weak magnetic minerals includes the following steps: a). injecting water into separation tank to defined water level; b). starting and rotating cylinder, feeding the mineral material onto the cylinder being in the separation tank in which the water is held by means of charging hopper; c). in the course of working retaining defined water level always; d). making the non-magnetic mineral flow out from tailings hopper, and the magnetic minerals flow out from concentrate hopper. Said invented separation equipment is characterized by that on the basis of dry cylinder permanent-magnet magnetic separation machine an overflow hole, a water-supplementing pipe and stwching values respectively positioned in the concentrate hoppper bottom portion and tailings hopper bottom portion are added.
Description
Technical field:
The present invention relates to a kind of beneficiation method and equipment thereof, especially relate to a kind of method and equipment thereof of sorting weak magnetic mineral.
Technical background:
Present sorting to weak magnetic mineral, the above dry type cylinder permanent magnetic separator that adopts of 6mm, the following wet electro-magnet magnetic separator that adopts of 1mm, and do not have method and apparatus to sort so far at the weak magnetic mineral of 1-6mm section, for dry type cylinder permanent magnetic separator, it is mainly by the separatory vessel that has essence, mine tailing bucket; Be installed in the separatory vessel and and the cylinder that rotates by the outer transmission mechanism band of separatory vessel; And be positioned at the permanent magnet that cylinder is fixedly mounted on the unmoving axle and form.When material is sent separatory vessel to and is dropped on the cylinder, because the rotation of cylinder, material is subjected to centrifugal action and continues the permanent magnetic field effect that is subjected to again mutually, therefore non magnetic ore is fallen in the mine tailing bucket towards leaving cylindrical direction, magnetic mineral is offset towards cylinder by the attraction in magnetic field then, until when magnetic force reduces or do not have the magnetic force position, falling into the concentrate bucket, owing to be not subjected to the influence of ore moisture content during the material sorting of＞6mm, thereby effect is better, and-material (primary ore all is with moisture content usually) when having certain moisture content of 6mm, because of particle is thin, bonding each other, dispersed extreme difference, sorting result can't reach requirement during with the dry dressing method sorting.To the wet electro-magnet magnetic separator, because magnetic field is closed circuit magnetic field, and filled up the magnetic conductive media of high gradient in the sorting space, the space that material passes through is minimum, can only sort-weak magnetic mineral of 1mm, and right+1mm material then can't sort.
Summary of the invention:
The objective of the invention is to provide a kind of and be used to sort-method and the equipment thereof of 6mm weak magnetic mineral.
The method of realization the object of the invention comprises the processing step of following order:
A. in separatory vessel, inject water to designated water level;
B. the rotating cylinder of starting shooting makes material on feed hopper is given to cylinder the separatory vessel that is filled with water;
C. remain the water level of setting in working;
Non magnetic ore deposit is flowed out from the mine tailing bucket, and flow out from the concentrate bucket in the magnetic ore deposit;
Designated water level is effective range more than the cylinder horizontal center line.
Designated water level is preferably in the extreme higher position in branch constituency, magnetic field or a little less than highest position.
The custom-designed equipment in order to realize said method, comprise the separatory vessel that has mine tailing bucket and concentrate bucket, be installed in the separatory vessel and the cylinder that rotates, be positioned at cylinder and be fastened on permanent magnet on the unmoving axle by the transmission mechanism band, it is characterized in that the water level place that sets has overfall on separatory vessel, also be provided with filling pipe on the separatory vessel, a switch valve respectively is equipped with in the bottom of mine tailing bucket and concentrate bucket.
In order to improve the sorting result of material, filling pipe is preferably disposed on the waist of concentrate bucket.
Permanent magnet is fan-shaped post, and the radius of its top is 0 °-55 ° with direction angulation straight up.
Above-mentioned angle is preferably 20-30 °.
In order to increase treating capacity as far as possible, also to consider simultaneously to be convenient to feed, drum diameter is 100-1000mm.
Above-mentioned drum diameter is preferably 150-400mm.
Owing to injected water in the separatory vessel and remained at the water level of setting, when cylinder during with certain rotating speed rotation, the material that is given on the cylinder by vibratory feed unit is brought to branch constituency, magnetic field.Under the action of soaking of water, the very fast quilt of the fine granular materials that bonds together disperses.Because magnetic field effect, magnetic material is towards cylinder one edge run-out, and non-magnetic material, because gravitate and buoyancy of water effect, towards the sedimentation that is directed downwards of leaving cylinder, with mine-separating board the two is separated, make it enter concentrate bucket and mine tailing bucket respectively, thereby successfully solved-the sorting problem of the weak magnetic mineral of 6mm.
Description of drawings:
Fig. 1 is for implementing the structural representation of the custom-designed equipment of the inventive method;
Fig. 2 is a filling pipe structural representation in the said equipment.
The specific embodiment:
Injected water in the separatory vessel 3 as can be seen with reference to figure 1, water level divides the constituency highest position in magnetic field.Rotating cylinder 4 then, make material on feed hopper 9 evenly is given to cylinder 4 separatory vessel 3 that is filled with water, remain above-mentioned water level in operate as normal, make coherent fine granular materials be subjected to the effect of water and fully disperse.Material is under gravity and buoyancy of water effect simultaneously, non magnetic ore is towards the sedimentation that is directed downwards of leaving cylinder 4, magnetic mineral under the effect of magnetic force to the direction deflection of drawing close cylinder 4, with mine-separating board 10 the two is separated, make its respectively from mine tailing bucket 1 and concentrate bucket 2 stream high efficiency like this finish in high quality-the sorting of 6mm weak magnetic mineral.
Based on said method, the present invention has designed special equipment, this equipment and existing dry type cylinder permanent magnetic separator structure are basic identical as can be seen from Figure 1, also comprise the separatory vessel 3 that has mine tailing bucket 1 and concentrate bucket 2, comprise being installed in the separatory vessel 3 and the cylinder 4 that rotates and be positioned at cylinder 4 and be fastened on permanent magnet 5 on the unmoving axle by the transmission mechanism band, just on separatory vessel 3, have overfall 6, water level in the separatory vessel 3 then remains on overfall 6 places, also be provided with filling pipe 7 on the separatory vessel 3 and constantly be moisturizing in the separatory vessel 3, guarantee that water level is at overfall 6 places in the separatory vessel 3, in order before start, water to be injected in the separatory vessel 3 fast, at mine tailing bucket 1 and concentrate bucket 2 bottoms a switch valve 8 has been installed all, in separatory vessel 3, close this two valve during water filling, when waiting to start shooting feed, this two valve is opened, made concentrate, mine tailing continuously outflows from bucket separately.Owing to will be filled with water in the separatory vessel 3, therefore its each several part leak resistance will be got well, the two end cap that is connected with cylinder 4 is used sealing ring and separatory vessel 3 sealings, filling pipe 7 is arranged on the waist of concentrate bucket 2 as can be seen from Figure 1, filling pipe 7 adds the water of coming in and springs up to mine tailing bucket 1 one sides from bottom to top and by concentrate bucket 2 like this, the fine-grained gangue that can be defined as mud and be mingled with flows on one side to mine tailing bucket 1, thereby improves the material sorting result.Fig. 2 is a specific embodiment of filling pipe 7, this filling pipe 7 shown in the figure is " T " font substantially, transverse tube 11 is arranged in separatory vessel 3, with separatory vessel 3 wide adapting, the downward apopore 13 of one row is arranged on it, longitudinal tubule (L tubule) 12 is installed in concentrate bucket 2 waists, and this filling pipe 7 also can be designed to other shape certainly.
Permanent magnet 5 in the cylinder 4 is fan-shaped post, and the radius of its top and direction angulation θ straight up are 0 ° of-55 ° of scope.But optimum range is 20 °-30 °.
In order to increase treating capacity as far as possible, also consider to be convenient to feed simultaneously, the diameter of cylinder 4 can be at 100-1000mm, but because separating effect is relevant with angular speed, and treating capacity is relevant with linear velocity, so cylinder 4 diameters are advisable at 150-400mm.
Claims (9)
1. the method for a sorting weak magnetic mineral comprises the processing step of following order:
A. in separatory vessel, inject water to designated water level;
B. the rotating cylinder of starting shooting makes material on feed hopper is given to cylinder the separatory vessel that is filled with water;
C. remain the water level of setting in working;
Non magnetic ore deposit is flowed out from the mine tailing bucket, and flow out from the concentrate bucket in the magnetic ore deposit.
2. method according to claim 1 is characterized in that: designated water level is more than the cylinder horizontal center line.
3. method according to claim 2 is characterized in that: designated water level is in the extreme higher position in branch constituency, magnetic field or a little less than highest position.
4. one kind is the custom-designed equipment of the enforcement described method of claim 1, comprise the separatory vessel (3) that has mine tailing bucket (1) and concentrate bucket (2), be installed in the separatory vessel (3) and the cylinder (4) that rotates, be positioned at cylinder (4) and be fastened on permanent magnet (5) on the unmoving axle by the transmission mechanism band, it is characterized in that: go up the water level place that sets at separatory vessel (3) and have overfall (6), also be provided with filling pipe (7) on the separatory vessel (3), a switch valve (8) respectively is equipped with in the bottom of mine tailing bucket (1) and concentrate bucket (2).
5. equipment according to claim 4 is characterized in that filling pipe (7) is arranged on the waist of concentrate bucket (2).
6. according to claim 4 or 5 described equipment, it is characterized in that permanent magnet (5) is fan-shaped post, the radius of its top is 0 °-55 ° with direction angulation straight up.
7. equipment according to claim 6 is characterized in that 20 °-30 ° of described angles.
8. according to claim 4 or 5 described equipment, it is characterized in that cylinder (4) diameter is 100-1000mm.
9. equipment according to claim 8 is characterized in that described drum diameter is 150-400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02139743 CN1404924A (en) | 2002-11-08 | 2002-11-08 | Method for sorting weak magnetic minerals and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02139743 CN1404924A (en) | 2002-11-08 | 2002-11-08 | Method for sorting weak magnetic minerals and apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1404924A true CN1404924A (en) | 2003-03-26 |
Family
ID=4750213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02139743 Pending CN1404924A (en) | 2002-11-08 | 2002-11-08 | Method for sorting weak magnetic minerals and apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1404924A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1935383B (en) * | 2006-09-30 | 2010-12-22 | 宁波韵升股份有限公司 | Magnetic steel disc classifier |
| CN102773159A (en) * | 2012-06-02 | 2012-11-14 | 上海大学 | Magneto-Archimedes buoyancy-based impurity separating method |
| CN103586128A (en) * | 2013-11-06 | 2014-02-19 | 攀枝花学院 | Cyclonic magnetic separation column |
| CN104511370A (en) * | 2013-09-28 | 2015-04-15 | 辽宁五寰工程技术有限公司 | Eddy current loss-free magnetic separator |
| CN110639698A (en) * | 2019-09-18 | 2020-01-03 | 安徽万磁电子有限公司 | Automatic neodymium iron boron magnetic powder screening device and automatic screening method thereof |
-
2002
- 2002-11-08 CN CN 02139743 patent/CN1404924A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1935383B (en) * | 2006-09-30 | 2010-12-22 | 宁波韵升股份有限公司 | Magnetic steel disc classifier |
| CN102773159A (en) * | 2012-06-02 | 2012-11-14 | 上海大学 | Magneto-Archimedes buoyancy-based impurity separating method |
| CN104511370A (en) * | 2013-09-28 | 2015-04-15 | 辽宁五寰工程技术有限公司 | Eddy current loss-free magnetic separator |
| CN103586128A (en) * | 2013-11-06 | 2014-02-19 | 攀枝花学院 | Cyclonic magnetic separation column |
| CN103586128B (en) * | 2013-11-06 | 2017-02-15 | 攀枝花学院 | Cyclonic magnetic separation column |
| CN110639698A (en) * | 2019-09-18 | 2020-01-03 | 安徽万磁电子有限公司 | Automatic neodymium iron boron magnetic powder screening device and automatic screening method thereof |
| CN110639698B (en) * | 2019-09-18 | 2021-04-30 | 安徽万磁电子有限公司 | Automatic neodymium iron boron magnetic powder screening device and automatic screening method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6230897B1 (en) | Device and process for separating particles with a rotary magnet system | |
| CN105921271A (en) | Intelligent elutriation magnetic separator and magnetic separation method | |
| WO2020164241A1 (en) | Gravity separation apparatus and method for coarse coal slime | |
| CN104772211B (en) | Electromagnetism eluriates refiner | |
| CN101862702A (en) | Centrifugal high-gradient magnetic method | |
| CN105536984B (en) | A kind of magnetic selection method having both tailings discarding by preconcentration and thickness grading and three product magnetic separators | |
| US4565624A (en) | Gravity--magnetic ore separators | |
| CN1404924A (en) | Method for sorting weak magnetic minerals and apparatus | |
| US4659457A (en) | Gravity-magnetic ore separators and methods | |
| CN201073617Y (en) | Permanent magnetism rotational flow dewatering channel | |
| CN110302889A (en) | A kind of dense media ore screening installation | |
| CN111389580B (en) | Three-product hydraulic flotation machine for coarse particle recovery and separation method | |
| CN202037061U (en) | Centrifugal table type gravity concentrator for fine granules | |
| CN102626671B (en) | Magnetic field ore dressing method and ore dressing equipment | |
| CN2796839Y (en) | Magnetic force screw slide groove separation machine | |
| CN102218366B (en) | Centrifugal oscillating-table-type gravity separator for fine particles | |
| CN2589079Y (en) | Permanent-magnet cobber for sorting weak magnetic mineral | |
| CN205361641U (en) | It throws tail and thickness three hierarchical product magnet separators to have preliminary election concurrently | |
| CN101664716A (en) | Downdraft controllable electromagnetic separator | |
| CN204544435U (en) | Liquid magnetic iron mineral separator | |
| CN2059603U (en) | Wet type cylinder type weak magnetic separator for multi-force field separation | |
| US3773176A (en) | Separating apparatus and method | |
| US20220048042A1 (en) | Material feed process and assembly for a rotary magnetic separator | |
| CN209379185U (en) | A kind of spodumene high density sorting complete set of equipments | |
| RU2483806C1 (en) | COUNTERFLOW SEPARATOR FOR CONCENTRATION OF FINE COALS (0-3 mm) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |