CN203342936U - Gravity and magnetic compound dry sorter - Google Patents
Gravity and magnetic compound dry sorter Download PDFInfo
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- CN203342936U CN203342936U CN 201320331677 CN201320331677U CN203342936U CN 203342936 U CN203342936 U CN 203342936U CN 201320331677 CN201320331677 CN 201320331677 CN 201320331677 U CN201320331677 U CN 201320331677U CN 203342936 U CN203342936 U CN 203342936U
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- roller
- kuppe
- compound dry
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Abstract
The utility model discloses a gravity and magnetic compound dry sorter. The gravity and magnetic compound dry sorter comprises an upper roller, a lower roller, a belt, a magnetic system, a flow guiding hood and a high-pressure gas blowing atomizer, wherein the belt is arranged between the upper roller and the lower roller and is driven by the upper roller and the lower roller; the magnetic system is arranged between the upper roller and the lower roller and comprises a plurality of magnetic field areas whose magnetic field intensities gradually weaken from the lower parts to the upper parts so as to form a magnetic field gradient on the surface of the belt; a space for conveying a material is formed between the flow guiding hood and the belt; the high-pressure gas blowing atomizer is used for atomizing the material entering the flow guiding hood.
Description
Technical field
The utility model relates to a kind of heavy magnetic compound dry separator.
Background technology
Traditionally, generally adopt the wet magnetic separation method to carry out ore dressing to magnetic iron ore.Yet wet magnetic separation needs a large amount of water, this is very high at drought and water shortage area cost, even makes ore dressing to carry out.Therefore need a kind of dry-dressing machine of water or needs water seldom that do not need of exploitation to carry out ore dressing.
For problems of the prior art, the utility model proposes a kind of heavy magnetic compound dry separator, can replace the wet magnetic separation method to carry out ore dressing in the drought and water shortage area.
The utility model content
According to the utility model, a kind of heavy magnetic compound dry separator comprises: top roller and bottom roller, and described top roller and described bottom roller are arranged so that the plane limited between them with respect to the horizontal plane becomes certain inclination angle; Belt, described belt is arranged between described top roller and described bottom roller, and is driven by described top roller and described bottom roller; Magnetic system, described magnetic is to be arranged between described top roller and described bottom roller, and is positioned under the surface of described belt; Kuppe, described kuppe covers the belt between described top roller, described bottom roller and described top roller and described bottom roller, and forms the space of convey materials between described kuppe and described belt; Gases at high pressure winding-up atomising device, described gases at high pressure winding-up atomising device is arranged in the space between described kuppe and described belt, for the material entered in kuppe is carried out to atomization, it is characterized in that: described magnetic is to comprise the field regions that a plurality of magnetic field intensities weaken from bottom to top gradually, forms magnetic field gradient in belt surface thus.
According to a preferred embodiment, above-mentioned magnetic system comprises four field regions, is respectively the high-intensity magnetic field district from bottom to top, than high-intensity magnetic field district, transition field regions and low-intensity magnetic field district.
According to a preferred embodiment, above-mentioned magnetic system is composited by Ferrite Material and rare earth magnetic steel, at the average magnetic induction intensity of belt surface, is 50～700mT.
According to a preferred embodiment, the inclination angle with respect to the horizontal plane, plane that described top roller and described bottom roller limit can be regulated, this inclination angle scope between 25～70 degree.
According to a preferred embodiment, above-mentioned heavy magnetic compound dry separator also comprises frame, and above-mentioned top roller and bottom roller, kuppe and magnetic system are arranged on frame.
According to a preferred embodiment, the top of described kuppe is connected with deduster.
The accompanying drawing explanation
Fig. 1 is the side schematic view according to the heavy magnetic compound dry separator of an embodiment of the utility model;
Fig. 2 is the top view of the heavy magnetic compound dry separator of Fig. 1;
Fig. 3 shows roller and the belt of the heavy magnetic compound dry separator of Fig. 1;
Fig. 4 shows the magnetic system of the heavy magnetic compound dry separator of Fig. 1.
The specific embodiment
Describe the specific embodiment according to heavy magnetic compound dry separator of the present utility model in detail below with reference to accompanying drawing.Schematic diagram according to heavy magnetic compound dry separator of the present utility model shown in the drawings.It should be pointed out that accompanying drawing and the following described specific embodiment are only examples, and do not form restriction of the present utility model.
Fig. 1 is the side schematic view according to the heavy magnetic compound dry separator of an embodiment of the utility model; Fig. 2 is the top view of the heavy magnetic compound dry separator of Fig. 1; Fig. 3 shows roller and the belt of the heavy magnetic compound dry separator of Fig. 1; Fig. 4 shows the magnetic system of the heavy magnetic compound dry separator of Fig. 1.
As shown in Figure 1, comprise a top roller 11 and a bottom roller 12 according to the heavy magnetic compound dry separator of an embodiment of the utility model, the rotating shaft of top roller 11 and bottom roller 12 is parallel, the plane that the rotating shaft of top roller 11 and bottom roller 12 limits with respect to the horizontal plane has an inclination alpha, and this inclination alpha can be regulated between 25～70 degree.Be provided with the belt 13 of circular flow between top roller 11 and bottom roller 12, belt 13 is wound on top roller 11 and bottom roller 12.Top roller 11 is or/and bottom roller 12 can drive rotation by motor, and top roller 11 is or/and the rotating drive belt circular flow of bottom roller 12.In embodiment shown in the drawings, belt 13 clockwise rotates, thereby can drive the iron ore material dropped on belt surface, moves upward.Because belt need to carry the iron ore material, according to belt of the present utility model, should be therefore high strength leather belt.
Being provided with magnetic below the belt part moved upward shown in Fig. 1 is 30.In embodiment shown in the drawings, magnetic is 30 to comprise four field regions that magnetic field intensity is different: high-intensity magnetic field district 31, than high-intensity magnetic field district 32, transition field regions 33 and low-intensity magnetic field district 34.The magnetic field intensity in high-intensity magnetic field district 31 can reach 3200GS, than the magnetic field intensity in high-intensity magnetic field district 32, can reach 2500GS, and the magnetic field intensity of transition field regions 33 can reach 2000GS, and the magnetic field intensity in low-intensity magnetic field district 34 can reach 2000GS.Four field regions that magnetic field intensity is different have formed a magnetic field gradient on belt surface.Yet, should be appreciated that the quantity of above-mentioned field regions is not limited to four, but can be changed according to actual needs.And the magnetic field intensity of above-mentioned each field regions also can be regulated according to actual needs.
As shown in Figure 4, magnetic is 30 can comprise stainless steel surfaces 35, a plurality of stainless steel roll shaft 36, a plurality of magnetic pole 37 and stainless steel base 38.Magnetic pole 37 can adopt permanent-magnet material to make.Stainless steel surfaces 35 is for the protection of magnetic pole 37.Stainless steel roll shaft 36, for back-up belt 13, prevents that belt 13 from sinking, and reducing belt 13 and magnetic is surperficial contact area, thereby extends the life-span of belt 13.Stainless steel base 38 is for installing magnetic pole.More than select the parts of stainless steel material can reduce the magnetic leakage, thereby reduce magnetic force consumption.
As shown in Figure 1, be provided with kuppe 20 above belt 13 and top roller 11 and bottom roller 12.Formed the space for delivery of the iron ore material between kuppe 20 and belt 13 and top roller 11, and prevented that material from entering in surrounding environment and cause air pollution and loss of material.The iron ore material is sent in kuppe 20 by the charging aperture 21 be arranged on kuppe 20.The top 22 of kuppe 20 is connected with the deduster (not shown).A plurality of gases at high pressure winding-up atomising devices 41 have been installed in the space of kuppe 20 and belt 13 restrictions, the high pressure air of gases at high pressure winding-up atomising device 41 ejection 0.2～0.6MPa when work, carry out atomization for the iron ore material to sending into by charging aperture 21 in kuppe 20.
As shown in Figure 2, above-mentioned heavy magnetic compound dry separator also comprises a frame 10.Top roller 11, bottom roller 12, magnetic be 30 and kuppe 20 can be arranged on frame 10.
The operating process that adopts above-mentioned heavy magnetic compound dry separator to carry out ore dressing is below described.
Exploitation iron ore out, at first through preprocessing process such as pulverizing, screenings, obtains being suitable for the iron ore that above-mentioned heavy magnetic compound dry separator is processed, and the particle diameter of this iron ore is generally below 8mm, and water content is below 10%.Then the iron ore material is sent in kuppe 20 by charging aperture 21.
Send into iron ore in kuppe 20 by the gases at high pressure high pressure air atomization that atomising device 41 sprays of jet.At first iron ore after atomization enters high-intensity magnetic field district 31, and under gravity and magnetic fields, magnetisable material and namagnetic substance are by initial gross separation.Magnetisable material is attached on belt 13 and is upwards carried, and namagnetic substance is a part of to the motion of belt below under gravity and high pressure air effect, leaves belt; A part enters deduster with air-flow, by deduster, makes particle and air separation; Some is along with magnetisable material is attached on belt 13, along with magnetisable material is upwards carried by belt together.
The namagnetic substance that initial gross separation magnetisable material is out carried secretly is arrived than high-intensity magnetic field district 32 by Belt Conveying, under magnetic fields, make magnetisable material further separate with namagnetic substance, make the further enrichment of magnetisable material, and the namagnetic substance of separating progressively leaves belt to the motion of belt below.Then the magnetisable material of enrichment enters the further enrichment of transition field regions 33, and then enters the further enrichment in low-intensity magnetic field district 34.Iron ore grade through 34 enrichments of low-intensity magnetic field district has met the requirements of grade (61～66%) basically, then from the belt surface of top roller top, falls, and then is collected or exports.
According to heavy magnetic compound dry separator of the present utility model and utilize the method for heavy magnetic compound dry separator ore dressing can be for following occasion: for the preliminary election operation of poor value, the enrichment ore resource, improve the grade of ore; Deironing for non-magnetic material; For selecting again of mine tailing, reclaim the mine tailing of the dry relative enrichment of slope section of tailing dam; Magnetic separation for sulfate slag dry powder is purified; For magneticore-dressing plant's iron fine powder purification operation, throw lean intergrowth and gangue in the deironing fine powder, improve the grade of iron fine powder; Replace the wet magnetic separation method to carry out ore dressing.
According to heavy magnetic compound dry separator of the present utility model and utilize the method for heavy magnetic compound dry separator ore dressing to have following advantage: the device processes amount is large, sorting mined material grade wide ranges, and separation accuracy is high, and occluding device not; The grade of selecting product than common magnetic separator improves 2～10 times; Device structure is simple, easy to maintenance; Energy consumption is little, and power consumption is only 20～50% of common electromagnetism intensity magnetic separator; If substitute the wet magnetic separation method, but using water wisely is on average produced 1 ton of iron fine powder and is saved 1.5～2 tons, water, and reduced secondary pollution; There is good adaptability, the inclination angle limited by regulating top roller and bottom roller, can control the grade quality of material, regulate the transmission speed of belt by the adjusting roller rotating speed, can the production control capacity of water, can control the grade of concentrate and the output capacity of mine tailing by the magnetic field intensity of regulating magnetic system.
Although reference example expressivity embodiment has been described the utility model, it will be understood to those of skill in the art that the utility model can carry out various forms and variations in detail under the purport of the present utility model and scope situation that do not break away from claims restriction.
Claims (6)
1. one kind weighs the magnetic compound dry separator, comprising:
Top roller and bottom roller, described top roller and described bottom roller are arranged so that the plane limited between them with respect to the horizontal plane becomes certain inclination angle;
Belt, described belt is arranged between described top roller and described bottom roller, and is driven by described top roller and described bottom roller;
Magnetic system, described magnetic is to be arranged between described top roller and described bottom roller, and is positioned under the surface of described belt;
Kuppe, described kuppe covers the belt between described top roller, described bottom roller and described top roller and described bottom roller, and forms the space of convey materials between described kuppe and described belt;
Gases at high pressure winding-up atomising device, described gases at high pressure winding-up atomising device is arranged in the space between described kuppe and described belt, for the material to entering in kuppe, carries out atomization,
It is characterized in that: described magnetic is to comprise the field regions that a plurality of magnetic field intensities weaken from bottom to top gradually, forms magnetic field gradient in belt surface thus.
2. heavy magnetic compound dry separator as claimed in claim 1, wherein said magnetic system comprises four field regions, is respectively the high-intensity magnetic field district from bottom to top, than high-intensity magnetic field district, transition field regions and low-intensity magnetic field district.
3. heavy magnetic compound dry separator as claimed in claim 1, wherein said magnetic system is composited by Ferrite Material and rare earth magnetic steel, at the average magnetic induction intensity of belt surface, is 50～700mT.
4. heavy magnetic compound dry separator as claimed in claim 1, the inclination angle with respect to the horizontal plane, plane that wherein said top roller and described bottom roller limit can be regulated, this inclination angle scope between 25～70 degree.
5. heavy magnetic compound dry separator as claimed in claim 1, also comprise frame, and described top roller and described bottom roller, described kuppe and described magnetic system are arranged on described frame.
6. heavy magnetic compound dry separator as claimed in claim 1, the top of wherein said kuppe is connected with deduster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320331677 CN203342936U (en) | 2013-06-08 | 2013-06-08 | Gravity and magnetic compound dry sorter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320331677 CN203342936U (en) | 2013-06-08 | 2013-06-08 | Gravity and magnetic compound dry sorter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203342936U true CN203342936U (en) | 2013-12-18 |
Family
ID=49742876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320331677 Withdrawn - After Issue CN203342936U (en) | 2013-06-08 | 2013-06-08 | Gravity and magnetic compound dry sorter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203342936U (en) |
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2013
- 2013-06-08 CN CN 201320331677 patent/CN203342936U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131218 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |