CN211660250U - Steel belt type multistage dry separation device - Google Patents

Steel belt type multistage dry separation device Download PDF

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Publication number
CN211660250U
CN211660250U CN202020055592.8U CN202020055592U CN211660250U CN 211660250 U CN211660250 U CN 211660250U CN 202020055592 U CN202020055592 U CN 202020055592U CN 211660250 U CN211660250 U CN 211660250U
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conveying
conveying assembly
separation device
dry separation
assembly
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CN202020055592.8U
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Chinese (zh)
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孟列
姜海燕
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Jiangsu Fanjue Machinery Manufacturing Co ltd
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Jiangsu Fanjue Technology Co ltd
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Abstract

The utility model discloses a multistage dry separation device of steel band formula, including the box, locate feed inlet and discharge gate on the box, locate the conveying assembly in the box, conveying assembly is including the first conveying assembly, second conveying assembly and the third conveying assembly that from top to bottom set gradually, and the direction of delivery of first conveying assembly and third conveying assembly is the same and opposite with the direction of delivery of second conveying assembly, all is equipped with the magnetism system in first conveying assembly and the third conveying assembly. The utility model discloses a multistage dry separation device of steel band formula through the cooperation of first conveying subassembly, second conveying subassembly and third conveying subassembly, has constituteed multistage magnetism system frame, can carry out multistage thorough separation to the ore, selects separately effectually, very big improvement resource utilization.

Description

Steel belt type multistage dry separation device
Technical Field
The utility model relates to an ore sorting field, concretely relates to multistage dry separation device of steel band formula.
Background
Mineral separation is a process of crushing and grinding ores according to physical and chemical properties of different minerals in the ores, separating useful minerals from gangue minerals by adopting a gravity separation method, a flotation method, a magnetic separation method, an electric separation method and the like, separating various symbiotic (associated) useful minerals from each other as much as possible, and removing or reducing harmful impurities to obtain raw materials required by smelting or other industries.
Currently, for iron ore, dry magnetic separation is generally used for ore dressing. The existing dry separation device can only primarily perform single-stage separation on magnetic minerals and non-magnetic minerals, the separation is extremely incomplete, and the separation effect is poor for minerals mixed together due to magnetic agglomeration and magnetic wrapping phenomena or weakly magnetic minerals which are wrapped in the non-magnetic minerals and difficult to adsorb, so that part of the magnetic minerals are directly discarded along with the non-magnetic minerals, and resources are greatly wasted.
Disclosure of Invention
The utility model aims at overcoming the relatively poor not enough of effect of sorting among the prior art, provide a thoroughly just select separately effectual multistage dry separation device of steel band formula to the ore.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a steel belt type multistage dry separation device comprises a box body, a feed inlet and a discharge port which are arranged on the box body, and a conveying assembly which is arranged in the box body, wherein the conveying assembly comprises a first conveying assembly, a second conveying assembly and a third conveying assembly which are sequentially arranged from top to bottom, the conveying directions of the first conveying assembly and the third conveying assembly are the same and are opposite to the conveying direction of the second conveying assembly, magnetic systems are respectively arranged in the first conveying assembly and the third conveying assembly, the discharge port comprises a first discharge port which is used for outputting magnetic minerals, a second discharge port and a third discharge port which are used for outputting non-magnetic minerals, which are sequentially arranged along the conveying direction of the first conveying assembly, the two ends of the first conveying assembly are respectively positioned above the first discharge port and the third discharge port, the two ends of the second conveying assembly are respectively positioned above the second discharge port and the third discharge port, and two ends of the third conveying assembly are respectively positioned above the first discharge hole and the second discharge hole.
Preferably, the first conveying assembly comprises two first conveying rollers which are rotatably arranged and a first conveying belt which is in transmission connection with the two first conveying rollers, and the first conveying belt is a non-magnetic steel belt.
Further preferably, the magnetic system in the first conveying assembly includes permanent magnets respectively arranged in the first conveying roller at the tail end of the first conveying assembly in the conveying direction and at the top of the inner side of the first conveying belt, and an electro-permanent magnet arranged at the bottom of the inner side of the first conveying belt.
Further preferably, the rotation axis of the first transfer roller extends in a horizontal direction and is perpendicular to the conveying direction of the first conveying assembly.
Still further preferably, the second conveying assembly comprises two second conveying rollers which are rotatably arranged, and a second conveying belt which is in transmission connection with the two second conveying rollers.
Still further preferably, a rotation direction of the second conveyance roller is opposite to a rotation direction of the first conveyance roller.
Still further preferably, the third conveying assembly is a rotatably arranged third conveying roller, and the magnetic system in the third conveying assembly is a permanent magnet arranged in the third conveying roller.
Still further preferably, a rotation direction of the third conveyance roller is the same as a rotation direction of the first conveyance roller.
Still further preferably, the rotation axes of the second conveying roller and the third conveying roller are respectively arranged in parallel with the rotation axis of the first conveying roller.
Preferably, dry separation device still includes two and locates in the box and be located respectively the striker plate of one side that first discharge gate and third discharge gate kept away from each other, two striker plates along the setting of the orientation downward sloping that is close to each other.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a multistage dry separation device of steel band formula through the cooperation of first conveying subassembly, second conveying subassembly and third conveying subassembly, has constituteed multistage magnetism system frame, can carry out multistage thorough separation to the ore, selects separately effectually, very big improvement resource utilization.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Wherein: 1. a box body; 2. a feed inlet; 3. a discharge port; 31. a first discharge port; 32. a second discharge port; 33. a third discharge port; 4. a first conveying assembly; 41. a first transfer roller; 42. a first conveyor belt; 5. a second transport assembly; 51. a second transfer roller; 52. a second conveyor belt; 6. a third conveying assembly; 61. a third transfer roller; 7. a magnetic system; 8. a striker plate.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
The utility model relates to an to the improvement of dry separation device, the multistage dry separation device of steel band formula after the improvement through the cooperation of first conveying component, second conveying component and third conveying component, has constituteed multistage magnetism system frame, can carry out multistage thorough separation to the ore, selects separately effectually, very big improvement resource utilization. The utility model discloses be particularly useful for the enrichment of lean magnetite ore, rich magnetite, dry separation retrieves the magnetic mineral that runs off before from the discarded tailing to and dry separation retrieves magnetic mineral in discarded matters such as follow slag, dry separation granularity is below 30 mm.
Specifically, referring to fig. 1, the arrows shown in fig. 1 are the ore transport direction. The embodiment discloses a steel belt type multistage dry separation device, which comprises a box body 1, a feed inlet 2 and a discharge outlet 3 which are arranged on the box body 1, and a conveying assembly arranged in the box body 1, wherein the conveying assembly comprises a first conveying assembly 4, a second conveying assembly 5 and a third conveying assembly 6 which are sequentially arranged from top to bottom, the conveying directions of the first conveying assembly 4 and the third conveying assembly 6 are the same and are opposite to the conveying direction of the second conveying assembly 5, magnetic systems 7 are respectively arranged in the first conveying assembly 4 and the third conveying assembly 6, the discharge outlet 3 comprises a first discharge outlet 31 which is sequentially arranged along the conveying direction of the first conveying assembly 4 and is used for outputting magnetic minerals, a second discharge outlet 32 and a third discharge outlet 33 which are used for outputting non-magnetic minerals, two ends of the first conveying assembly 4 are respectively positioned above the first discharge outlet 31 and the third discharge outlet 33, two ends of the second conveying assembly 5 are respectively positioned above the second discharge outlet 32 and the third discharge outlet 33, the two ends of the third conveying assembly 6 are respectively positioned above the first discharge port 31 and the second discharge port 32.
In this embodiment, the feed inlet 2 is located above the first conveyor assembly 4. The first conveying assembly 4 includes two first conveying rollers 41 rotatably disposed, and a first conveying belt 42 in transmission connection with the two first conveying rollers 41, and the first conveying belt 42 is a non-magnetic steel belt. The rotation axis of the first conveying roller 41 extends in the horizontal direction and is perpendicular to the conveying direction of the first conveying assembly 4. The magnetic system 7 in the first conveying assembly 4 comprises permanent magnets respectively arranged in the first conveying roller 41 at the tail end of the first conveying assembly 4 in the conveying direction and at the top of the inner side of the first conveying belt 42, and an electro-permanent magnet arranged at the bottom of the inner side of the first conveying belt 42.
Here, the permanent magnet blocks at the top of the inner side of the first conveyor belt 42 are arranged in a polar S-pole N-pole manner, and play roles in magnetic inversion and magnetic stirring of magnetic minerals to form an upper plane magnetic system; the permanent magnet blocks in the first conveying roller 41 at the conveying end form a circumferential magnetic system for adsorbing magnetic minerals; the electric permanent magnet at the bottom of the inner side of the first conveyor belt 42 is composed of electric permanent magnets with adjustable magnetic field intensity, the polarities of the electric permanent magnets are formed by close arrangement of S poles and N poles at small pole distances alternately from front to back and from left to right, a lower plane magnetic system is formed, and the electric permanent magnets are matched with self-oscillation of a non-magnetic steel belt and used for scattering and destroying magnetic agglomeration and magnetic wrapping phenomena and adsorbing magnetic minerals, and the strong electric permanent magnets with adjustable fields can adapt to various ores. The stainless steel band has self-excited vibration phenomenon in the running process, and has scattering effect on minerals on the band, so that the sorting is more thorough.
During ore dressing, the ore is put in from the feeding hole 2, falls onto the first conveyor belt 42 at the upper part and is conveyed forwards, and rapid magnetic overturning and magnetic stirring are carried out under the action of the upper plane magnetic system, so that the primary separation of magnetic minerals and non-magnetic minerals is realized, then the ore reaches the circumference magnetic system, the non-magnetic minerals mixed between the magnetic minerals are not adsorbed by magnetic force or have very small magnetic force, and can gradually move towards the outer layer and are thrown out to enter the third discharging hole 33 under the combined action of centrifugal force, gravity, magnetic overturning and magnetic stirring of the magnetic minerals, the magnetic minerals are adsorbed on the first conveyor belt 42 at the lower part and are conveyed reversely, and the phenomena of magnetic agglomeration and magnetic wrapping are further broken under the self-excited oscillation of the lower plane magnetic system and the steel belt, so that the grade of the sorted ore is improved.
In the present embodiment, the second conveying assembly 5 includes two second conveying rollers 51 rotatably disposed, and a second conveying belt 52 in driving connection with the two second conveying rollers 51. The second conveyance roller 51 rotates in the direction opposite to the rotation direction of the first conveyance roller 41.
When the magnetic mineral oscillates in the lower plane magnetic system, a small amount of the non-magnetic mineral drops onto the second conveyor belt 52 and is conveyed forward, and then reaches the second discharge port 32 and drops, and the magnetic mineral is conveyed to the first conveyor roller 41 at the head end along with the first conveyor belt 42 and drops downward into the first discharge port 31 under the action of gravity.
In this embodiment, the third conveying unit 6 is a rotatable third conveying roller 61, and the magnetic system 7 in the third conveying unit 6 is a permanent magnet disposed in the third conveying roller 61. The rotation direction of the third conveyance roller 61 is the same as the rotation direction of the first conveyance roller 41.
After the magnetic mineral on the second conveyer belt 52 falls, in order to prevent that a small part of weak magnetic mineral is thrown out extravagantly, the utility model discloses set up third transfer roller 61, on the mineral that falls from second conveyer belt 52 falls to third transfer roller 61, non-magnetic mineral is thrown out and drops to second discharge gate 32 under the effect of centrifugal force and gravity, and weak magnetic mineral adsorbs on third transfer roller 61 and throws out after rotating to first discharge gate 31 top along with third transfer roller 61.
Through mutually supporting of foretell first conveying subassembly 4, second conveying subassembly 5 and third conveying subassembly 6, can be effectively thorough select separately the ore, select separately very thoroughly, the grade of ore is selected separately in the improvement that can be very big. For ore with MFE below 20%, the grade can be improved to 50% at the highest; for ore with MFE above 20%, the grade can be improved to 55%.
In this embodiment. The rotation axes of the second conveying roller 51 and the third conveying roller 61 are respectively arranged in parallel with the rotation axis of the first conveying roller 41, and the first conveying roller 41, the second conveying roller 51 and the third conveying roller 61 are driven by a motor.
The dry separation device further comprises two striker plates 8 which are arranged in the box body 1 and are respectively positioned on one sides, far away from the first discharge hole 31 and the third discharge hole 33, and the two striker plates 8 are arranged in a manner of inclining downwards along the direction of mutual approaching. Through the setting of striker plate 8, can prevent that the ore of throwing from piling up at 1 dead angle of box.
The following specifically explains the working process of this embodiment: during ore dressing, ores are put in from the feeding hole 2, fall on the first conveyor belt 42 at the upper part and are conveyed forwards, rapid magnetic overturning and magnetic stirring are carried out under the action of the upper plane magnetic system, preliminary separation of magnetic minerals and non-magnetic minerals is realized, then the ores reach the circumference magnetic system, the non-magnetic minerals mixed among the magnetic minerals are not adsorbed by magnetic force or have very small magnetic force, under the combined action of centrifugal force, gravity, magnetic overturning and magnetic stirring of the magnetic minerals, the non-magnetic minerals gradually move to the outer layer and are thrown out to enter the third discharging hole 33, the magnetic minerals are adsorbed on the first conveyor belt 42 at the lower part and are conveyed reversely, and under the self-excited oscillation of the lower plane magnetic system and the steel belt, the phenomena of magnetic agglomeration and magnetic wrapping are further broken, and the grade of the sorted ores is improved;
when the magnetic minerals oscillate in the lower plane magnetic system, a small amount of the included non-magnetic minerals fall onto the second conveyor belt 52 and are conveyed forwards, then reach the second discharge port 32 and fall, and the magnetic minerals are conveyed to the first conveying roller 41 at the head end along with the first conveyor belt 42 and fall downwards into the first discharge port 31 under the action of gravity;
after the magnetic mineral on the second conveyer belt 52 falls, in order to prevent that a small part of weak magnetic mineral is thrown out extravagantly, the utility model discloses set up third transfer roller 61, on the mineral that falls from second conveyer belt 52 falls to third transfer roller 61, non-magnetic mineral is thrown out and drops to second discharge gate 32 under the effect of centrifugal force and gravity, and weak magnetic mineral adsorbs on third transfer roller 61 and throws out after rotating to first discharge gate 31 top along with third transfer roller 61.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides a multistage dry separation device of steel band formula, includes box (1), locates feed inlet (2) and discharge gate (3) on box (1), locate conveying assembly in box (1), its characterized in that: conveying assembly is including first conveying assembly (4), second conveying assembly (5) and third conveying assembly (6) that from top to bottom set gradually, first conveying assembly (4) with the direction of delivery of third conveying assembly (6) the same and with the direction of delivery of second conveying assembly (5) is opposite, first conveying assembly (4) with all be equipped with magnetism system (7) in third conveying assembly (6), discharge gate (3) include along the direction of delivery of first conveying assembly (4) set gradually be used for exporting magnetic mineral first discharge gate (31), be used for exporting non-magnetic mineral second discharge gate (32) and third discharge gate (33), first conveying assembly (4) both ends are located respectively first discharge gate (31) with third discharge gate (33) top, second conveying assembly (5) both ends are located respectively second discharge gate (32) with third discharge gate (33) And the two ends of the third conveying assembly (6) are respectively positioned above the first discharge hole (31) and the second discharge hole (32).
2. The steel strip type multistage dry separation device according to claim 1, characterized in that: the first conveying assembly (4) comprises two first conveying rollers (41) which are rotatably arranged and a first conveying belt (42) which is in transmission connection with the two first conveying rollers (41), and the first conveying belt (42) is a non-magnetic steel belt.
3. The steel strip type multistage dry separation device according to claim 2, characterized in that: the magnetic system (7) in the first conveying assembly (4) comprises permanent magnets which are respectively arranged at the tail end of the first conveying assembly (4) in the conveying direction and at the top of the inner side of the first conveying roller (41) and the first conveying belt (42) and an electric permanent magnet which is arranged at the bottom of the inner side of the first conveying belt (42).
4. The steel strip type multistage dry separation device according to claim 2, characterized in that: the axis of rotation of the first conveyor roller (41) extends in a horizontal direction and is perpendicular to the conveying direction of the first conveyor assembly (4).
5. The steel strip type multistage dry separation device according to claim 4, characterized in that: the second conveying assembly (5) comprises two second conveying rollers (51) which are rotatably arranged and a second conveying belt (52) which is in transmission connection with the two second conveying rollers (51).
6. The steel strip type multistage dry separation device according to claim 5, characterized in that: the second conveying roller (51) rotates in the direction opposite to the direction of rotation of the first conveying roller (41).
7. The steel strip type multistage dry separation device according to claim 5, characterized in that: third conveying assembly (6) is rotatable third transfer roller (61) that sets up, in third conveying assembly (6) magnetism is (7) for locating permanent magnet in third transfer roller (61).
8. The steel strip type multistage dry separation device according to claim 7, characterized in that: the third conveying roller (61) rotates in the same direction as the first conveying roller (41).
9. The steel strip type multistage dry separation device according to claim 7, characterized in that: the rotating axes of the second conveying roller (51) and the third conveying roller (61) are respectively parallel to the rotating axis of the first conveying roller (41).
10. The steel strip type multistage dry separation device according to claim 1, characterized in that: the dry separation device further comprises two striker plates (8) which are arranged in the box body (1) and are respectively positioned on one side, away from each other, of the first discharge hole (31) and the third discharge hole (33), and the two striker plates (8) are arranged in a manner of inclining downwards along the direction of mutual approaching.
CN202020055592.8U 2020-01-10 2020-01-10 Steel belt type multistage dry separation device Active CN211660250U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020055592.8U CN211660250U (en) 2020-01-10 2020-01-10 Steel belt type multistage dry separation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020055592.8U CN211660250U (en) 2020-01-10 2020-01-10 Steel belt type multistage dry separation device

Publications (1)

Publication Number Publication Date
CN211660250U true CN211660250U (en) 2020-10-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020055592.8U Active CN211660250U (en) 2020-01-10 2020-01-10 Steel belt type multistage dry separation device

Country Status (1)

Country Link
CN (1) CN211660250U (en)

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Address after: Workshop No. 1 (Vanjue Machinery), Building 1, Nanshagang West Village (east side of Tianhai Road), Jingang Town, Zhangjiagang City, Suzhou City, Jiangsu Province, 215000

Patentee after: Jiangsu Fanjue Machinery Manufacturing Co.,Ltd.

Address before: 320b, building a, emerging industry development center, Zhangjiagang Free Trade Zone, Suzhou City, Jiangsu Province (fanjue Technology)

Patentee before: Jiangsu fanjue Technology Co.,Ltd.