CN219377482U - Updraught dry separator with flat material preselection roller - Google Patents
Updraught dry separator with flat material preselection roller Download PDFInfo
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- CN219377482U CN219377482U CN202320016839.9U CN202320016839U CN219377482U CN 219377482 U CN219377482 U CN 219377482U CN 202320016839 U CN202320016839 U CN 202320016839U CN 219377482 U CN219377482 U CN 219377482U
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Abstract
The utility model relates to an upper suction dry separator with a flat material pre-selecting roller, which comprises a feeding belt and an upper suction dry separator, and is characterized in that the front part of the upper suction dry separator is provided with the flat material pre-selecting roller and a power driving device at the upper part of the feeding belt; the flat material preselection roller comprises a rotary outer roller fixedly connected with an outer roller transmission shaft, a fixed sleeve is sleeved on the rotary outer roller transmission shaft in the rotary outer roller, a fan-shaped fixed magnetic system is coaxially fixed in the rotary outer roller through a fixing frame body, shaft end supporting seats are fixedly installed at two ends of the outer roller transmission shaft, and the outer roller transmission shaft is connected with a power driving device through a speed reducer. The advantages are that: the ore can be preselected before the upper suction dry separator is selected, after the ore is preselected, the ferromagnetic ore in the ore is arranged on the upper part of the material layer of the belt, the weakly magnetic ore and the non-magnetic ore are arranged on the lower part of the material layer of the belt, and when the ore is adsorbed by the strong magnetic field of the upper suction dry separator, the magnetic package can be reduced, and the selecting efficiency of the dry separator is improved.
Description
Technical Field
The utility model belongs to the technical field of magnetic separation equipment, and particularly relates to an upper suction dry separator with a flat material pre-selection roller.
Background
At present, there are two types of dry separators commonly used for magnetite dry magnetic separation: one is a magnetic pulley, namely a magnetic separation roller is used as a head pulley of a conveying belt to drive the conveying belt to move. The sorting principle of the magnetic pulley is as follows: when the magnetite ore passes through the magnetic separation roller, the magnetite ore performs horizontal throwing movement, and the magnetic ore subjected to magnetic force, the weak magnetic ore subjected to magnetic force and the nonmagnetic gangue which is not subjected to magnetic force have different throwing tracks, so that the falling points are different, and separation is achieved. However, the magnetic pulley has poor separation effect on minerals with thicker material layers, and the reason is that the magnetic mineral particles on the upper layer are pressed against the non-magnetic mineral particles on the lower part of the magnetic pulley due to the action of magnetic force, so that the non-magnetic mineral particles cannot be horizontally thrown out under the action of inertia force, and finally are mixed in concentrate, so that the tail of the concentrate is not separated. The other dry separator is an upper dry separator, namely, a dry separation magnetic system is arranged at the upper part of a magnetic ore conveying belt, the upper dry separator is suitable for treating fine-grained magnetic ore, but when the layer of the ore is thicker, the magnetic mineral particles at the lower part of the layer are adsorbed to the upper magnetic system by the upper dry separator together under the action of the magnetic field force at the upper part of the magnetic mineral particles, so that concentrate is formed, and the separation effect is affected.
Disclosure of Invention
The utility model aims to provide an upper suction dry separator with a flat material preselection roller, which integrates the functions of upper suction magnetic separation and preselection, and can efficiently separate thick material layer magnetic ores and improve the throughput of the dry separator.
The utility model aims at realizing the following technical scheme:
the utility model relates to an upper suction dry separator with a flat material pre-selecting roller, which comprises an ore feeding belt and an upper suction dry separator arranged above the ore feeding belt, and is characterized in that the upper part of the ore feeding belt is provided with the flat material pre-selecting roller and a power driving device at the front part of the upper suction dry separator; the flat material preselection roller comprises a rotary outer roller, an outer roller transmission shaft, a fan-shaped fixed magnetic system, a fixed sleeve and a fixed frame body, wherein the rotary outer roller is fixed on the outer roller transmission shaft, the fixed sleeve is sleeved on the outer roller transmission shaft in the rotary outer roller and is in bearing connection with the outer roller transmission shaft, the inner concave surface of the fan-shaped fixed magnetic system and the outer surface of the fixed sleeve are coaxially fixed in the rotary outer roller through the fixed frame body, a gap is reserved between the outer convex surface of the fan-shaped fixed magnetic system and the inner surface of the rotary outer roller, shaft end supporting seats are fixedly installed at two ends of the outer roller transmission shaft, and the outer roller transmission shaft is connected with a power driving device through a speed reducer.
Preferably, the sector fixed magnetic system has a magnetic system wrap angle of 180-270 degrees.
The utility model has the advantages that:
according to the utility model, as the flat material preselection roller is arranged in front of the upper suction dry separator, minerals can be preselected before the upper suction dry separator is selected, so that after the minerals pass through preselection, the ferromagnetic minerals in the minerals are arranged on the upper part of the material layer of the belt, the weakly magnetic and non-magnetic minerals are arranged on the lower part of the material layer of the belt, and when the minerals pass through the strong magnetic field adsorption of the upper suction dry separator, the magnetic package can be reduced, the selection efficiency of the dry separator is improved, and the flat material preselection device also has the function of a flat material device.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is an enlarged view of a flat stock preselection drum.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the upper suction dryer with the flat material preselection roller comprises a feeding belt 1 and an upper suction dryer arranged above the feeding belt 1, and is characterized in that the front part of the upper suction dryer 2 is provided with the flat material preselection roller and a power driving device at the upper part of the feeding belt 1; the flat material preselection roller comprises a rotary outer roller 31, an outer roller transmission shaft 33, a fan-shaped fixed magnetic system 32, a fixed sleeve 35 and a fixed frame 34, wherein the rotary outer roller 31 is fixed on the outer roller transmission shaft 33, the fixed sleeve 35 is sleeved on the outer roller transmission shaft 33 in the rotary outer roller 31 and is in bearing connection with the outer roller transmission shaft 33, the inner concave surface of the fan-shaped fixed magnetic system 32 and the outer surface of the fixed sleeve 35 are coaxially fixed in the rotary outer roller 31 through the fixed frame 34, a gap is reserved between the outer convex surface of the fan-shaped fixed magnetic system 32 and the inner surface of the rotary outer roller 31, the fan-shaped fixed magnetic system has a magnetic system wrap angle of 180-270 degrees, shaft end supporting seats are fixedly arranged at two ends of the outer roller transmission shaft 33, and the outer roller transmission shaft 33 is connected with a power driving device through a speed reducer. The power driving device of the present utility model is related art, and therefore, will not be described herein. In the figure, 4 is concentrate, and 5 is tailings.
The working principle of the utility model is as follows:
in the structure, magnetite materials fall on a feeding belt 1 from a discharging hopper, a power driving device drives a rotary outer roller 31 to rotate, a fan-shaped fixed magnetic system 32 transmits magnetic force to the surface of the rotary outer roller 31, so that magnetic minerals in the magnetite materials are adsorbed on the rotary outer roller 31, the rotary outer roller 31 rotates relative to the fan-shaped fixed magnetic system 32 in the anticlockwise rotation process driven by the power driving device, and the rotation direction of the rotary outer roller 31 is opposite to the material running direction; when the magnetic minerals adsorbed on the rotary outer drum 31 rotate to a position without a magnetic system along with the rotary outer drum 31, the magnetic substances adsorbed on the surface of the rotary outer drum 31 lose magnetic force and fall down under the action of gravity to fall on the ore feeding belt 1 behind the flat material preselection drum; non-magnetic particles remain at the bottom of the ore feeding belt 1 and are continuously conveyed forwards; the conveyed materials form a structure with the upper part being magnetic particles and the lower part being weak non-magnetic and non-weak magnetic particles; when the ore feeding belt 1 continues to advance and is conveyed to the lower part of the upper suction dry separator 2, the upper suction dry separator 2 adsorbs magnetic mineral particles on the ore feeding belt 1 to the upper suction dry separator 2 to form concentrate 4, and the weakly magnetic and non-magnetic mineral particles are left on the ore feeding belt to form tailings, so that the dry separation process of minerals is completed, and the separation efficiency of the dry separator is effectively improved.
Claims (2)
1. The upper suction dry separator with the flat material pre-selecting roller comprises an ore feeding belt and the upper suction dry separator arranged above the ore feeding belt, and is characterized in that the front part of the upper suction dry separator is provided with the flat material pre-selecting roller and a power driving device at the upper part of the ore feeding belt; the flat material preselection roller comprises a rotary outer roller, an outer roller transmission shaft, a fan-shaped fixed magnetic system, a fixed sleeve and a fixed frame body, wherein the rotary outer roller is fixed on the outer roller transmission shaft, the fixed sleeve is sleeved on the outer roller transmission shaft in the rotary outer roller and is in bearing connection with the outer roller transmission shaft, the inner concave surface of the fan-shaped fixed magnetic system and the outer surface of the fixed sleeve are coaxially fixed in the rotary outer roller through the fixed frame body, a gap is reserved between the outer convex surface of the fan-shaped fixed magnetic system and the inner surface of the rotary outer roller, shaft end supporting seats are fixedly installed at two ends of the outer roller transmission shaft, and the outer roller transmission shaft is connected with a power driving device through a speed reducer.
2. The machine of claim 1, wherein the fan-shaped fixed magnet is a magnet having a wrap angle of 180 ° -270 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320016839.9U CN219377482U (en) | 2023-01-05 | 2023-01-05 | Updraught dry separator with flat material preselection roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320016839.9U CN219377482U (en) | 2023-01-05 | 2023-01-05 | Updraught dry separator with flat material preselection roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219377482U true CN219377482U (en) | 2023-07-21 |
Family
ID=87198823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320016839.9U Active CN219377482U (en) | 2023-01-05 | 2023-01-05 | Updraught dry separator with flat material preselection roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219377482U (en) |
-
2023
- 2023-01-05 CN CN202320016839.9U patent/CN219377482U/en active Active
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