A tower magnetic separator

Abstract

The present invention discloses a tower magnetic separator, which relates to the field of mineral processing equipment, including a feed trough, etc., a cylindrical barrel top is provided with a feed trough, one end of a ore separation pipe is connected to the lower part of the feed trough, and the other end is fixed to the bottom of the barrel; a number of ore separation openings are opened at equal intervals along the outer wall of the ore separation pipe, and a number of separation plates are arranged at equal intervals and symmetrically on both sides of each ore separation opening, and a strong magnetic system is provided on each separation plate near the inner wall of the barrel, and a concentrate plate is provided below the separation plate, and the separation plate and the concentrate plate are separated by a partition plate, and the screened magnetic minerals move and gather along the inner wall of the barrel, and flow to the tailings trough provided at the top of the barrel; a stainless steel pipe is sleeved on the outer periphery of the ore separation pipe, and the concentrate plate is connected to the stainless steel pipe, and the non-magnetic materials not adsorbed by the strong magnetic system enter the stainless steel pipe through the partition plate and the concentrate plate under the action of slurry pressure and gravity, and the stainless steel pipe is connected to the concentrate trough provided below the tailings trough. The present invention has the advantages of simple structure, large processing capacity, and low power consumption.

Description

Technical Field

[0001] The invention relates to the field of ore dressing equipment, in particular to a tower magnetic separator. Background Art

[0002] At present, the magnetic separation equipment used for feldspar raw materials mainly includes vertical ring high-intensity magnetic machine, flat ring high-intensity magnetic machine, slurry machine, belt high-intensity magnetic separator, superconducting magnetic separator and other equipment.

[0003] Vertical ring strong magnetic machine and flat ring strong magnetic machine use low voltage and high current to generate strong magnetic field. When the ore pulp passes through the medium box, the magnetic material is adsorbed on the medium box. When the medium box leaves the separation area, it is separated from the strong magnetic field in the unloading area and is washed by water to unload the ore. These two types of equipment have the disadvantages of easy clogging of the medium box, the use of electric energy, and the large area occupied by the strong magnetic coil and the magnetic yoke.

[0004] The slurry machine has a similar mechanism to the previous two, but the mode of action is different. The slurry machine gathers the magnetic lines of force generated by the electromagnetic field into the ring through the magnetic yoke, and blocks and absorbs the weak magnetic substances in the slurry through media such as steel wool and steel mesh. This equipment has the disadvantages of indirect operation, small processing capacity, and large area occupied by strong magnetic coils and magnetic yokes.

[0005] Superconducting magnetic separator is a relatively energy-saving magnetic separation equipment developed by using the property of metal to produce zero resistance at low or high temperature. However, the low and high temperatures of this equipment also require energy. The processing capacity of this equipment is smaller than that of the slurry machine, and it is also an intermittent working equipment.

[0006] The belt type high intensity magnetic separator is a separation device that uses a belt type flexible material as a separation area on a high magnetic field magnetic system and is placed obliquely. This device has the disadvantage that after the material is fed to the device, the fine particles or suspended liquid in the slurry flow away first, and the coarse particles and materials with high specific gravity are retained, resulting in the problem of qualified concentrate being mixed in the tailings. Summary of the invention

[0007] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a tower magnetic separator with the advantages of simple structure, large processing capacity and low power consumption.

[0008] The objective of the present invention is achieved through the following technical solutions: the tower magnetic separator comprises a feed trough, a tailings trough, a concentrate trough, a separation pipe, a strong magnetic system, a partition plate, a cylinder, a separation plate and a concentrate plate. The top of the cylindrical cylinder is provided with a feed trough, one end of the separation pipe is connected to the lower part of the feed trough, and the other end of the separation pipe is fixed to the bottom of the cylinder for introducing the ore pulp into the cylinder; a plurality of separation openings are evenly spaced along the outer wall of the separation pipe, and a plurality of separation plates are evenly spaced and symmetrically arranged on both sides of each separation opening, and a strong magnetic system is provided on each separation plate near the inner wall of the cylinder. The system is used to absorb magnetic minerals in the ore pulp. A concentrate plate is arranged below the separation plate. The separation plate and the concentrate plate are separated by a partition plate. The screened magnetic minerals move and gather along the inner wall of the cylinder and flow to the tailings trough arranged on the top of the cylinder. A stainless steel pipe is sleeved on the outer periphery of the separation pipe. The concentrate plate is connected with the stainless steel pipe. Non-magnetic materials that are not absorbed by the strong magnetic system enter the stainless steel pipe through the partition plate and the concentrate plate under the action of slurry pressure and gravity. The stainless steel pipe is connected with the concentrate trough arranged below the tailings trough to collect non-magnetic materials and form concentrate.

[0009] As a further technical solution, the concentrate quality can be adjusted by adjusting the position of the partition plate up and down.

[0010] As a further technical solution, the concentrate separation quality under different pressures can be achieved by adjusting the heights of the tailings trough and the concentrate trough.

[0011] As a further technical solution, a tailings outlet is provided on the outer side of the tailings trough for discharging tailings; and a concentrate outlet is provided on the outer side of the concentrate trough for discharging concentrate.

[0012] As a further technical solution, the strong magnetic system adopts a small-block multi-pole extruded structure.

[0013] The beneficial effects of the present invention are:

[0014] 1. Use strong magnetic field systems such as NdFeB to act on the surface of magnetic materials in the ore slurry, which occupies a small area and consumes no electricity;

[0015] 2. Considering the characteristics of low depth of strong magnetic field and fast attenuation of magnetic field intensity, a thin slurry fluid is used to ensure that all materials in the slurry can be covered;

[0016] 3. The height of the concentrate tank can be adjusted. By increasing or decreasing the height of the overflow weir, the yield of concentrate and tailings can be adjusted according to the separation quality and yield;

[0017] 4. There is no medium box, so the slurry is not easy to be blocked;

[0018] 5. The flow velocity in the radial direction of the equipment shows a trend from large to small. Due to the reduction in flow velocity, the weakly magnetic materials can be effectively adsorbed on the side of the magnetic tailings plate and enter the tailings tank after reaching the separation area;

[0019] 6. Adopt small multi-pole extruded magnetic line design to increase the depth of magnetic field effect of the magnetic system;

[0020] 7. Large processing capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention.

[0022] Figure 2 for Figure 1 A partial enlarged schematic diagram of area I in the middle.

[0023] Explanation of the reference numerals: feed trough 1, tailings trough 2, concentrate trough 3, separation pipe 4, strong magnetic system 5, partition plate 6, cylinder 7, separation plate 8, concentrate plate 9, separation port 10, stainless steel pipe 11, tailings outlet 12, concentrate outlet 13. DETAILED DESCRIPTION

[0024] The present invention will be described in detail below with reference to the accompanying drawings:

[0025] Example: As attached Figure 1 , 2 As shown, the tower magnetic separator comprises a feed trough 1, a tailings trough 2, a concentrate trough 3, a separator pipe 4, a strong magnetic system 5, a partition plate 6, a cylinder 7, a separation plate 8 and a concentrate plate 9. The top of the cylindrical cylinder 7 is provided with a feed trough 1, one end of the separator pipe 4 is connected to the lower part of the feed trough 1, and the other end of the separator pipe 4 is fixed to the bottom of the cylinder 7, so as to introduce the slurry into the cylinder 7; a plurality of separator openings 10 are evenly spaced along the outer wall of the separator pipe 4, and a plurality of separation plates 8 are evenly spaced and symmetrically arranged on both sides of each separator opening 10, a strong magnetic system 5 is provided on each separation plate 8 near the inner wall of the cylinder 7, so as to absorb the magnetic minerals in the slurry, a concentrate plate 9 is provided below the separation plate 8, and the separation plate 8 and the concentrate plate 9 are separated by a partition plate 6, the screened magnetic minerals move and gather along the inner wall of the cylinder 7, and flow to the tailing trough 2 provided on the top of the cylinder 7 to form tailings, and a tailings outlet 12 is provided on the outer side of the tailing trough 2 to discharge the tailings. A stainless steel pipe 11 is sleeved on the outer periphery of the separation pipe 4, and the concentrate plate 9 is connected to the stainless steel pipe 11. The non-magnetic materials not adsorbed by the strong magnetic system 5 enter the stainless steel pipe 11 through the partition plate 6 and the concentrate plate 9 under the action of the slurry pressure and gravity. The stainless steel pipe 11 is connected to the concentrate trough 3 located below the tailings trough 2, which is used to collect non-magnetic materials and form concentrate. A concentrate outlet 13 is provided on the outside of the concentrate trough 3 for discharging the concentrate. The strong magnetic system 5 adopts a small multi-pole extrusion structure. Furthermore, the quality of the concentrate is adjusted by adjusting the position of the partition plate 6 up and down; the quality of the concentrate under different pressures is achieved by adjusting the height of the tailings trough 2 and the concentrate trough 3.

[0026] The working process of the present invention is as follows: the ore pulp is fed from the feed trough 1 into the separation pipe 4, and then enters the separation plate 8 through the separation pipe 4. The weak magnetic material in the ore pulp is adsorbed under the separation plate 8 under the action of the strong magnetic system 5. The separation plate 8 adopts a smooth design, and the weak magnetic material moves to the outer edge of the equipment (i.e., the inner wall of the cylinder 7) under the action of the ore pulp flow pressure. Finally, it enters the tailings trough 2 through the partition plate 6 and becomes tailings. Under the action of slurry pressure and gravity, the non-magnetic material enters the concentrate trough 3 through the partition plate 6 and becomes concentrate. In order to effectively ensure the quality and yield of the concentrate product, the partition plate 6 of the equipment can be adjusted up and down to adjust the quality of the concentrate; the height of the concentrate trough 3 and the tailings trough 2 can also be adjusted to achieve the concentrate separation quality under different pressures.

[0027] It is understandable that, for those skilled in the art, any equivalent replacement or change to the technical solution and inventive concept of the present invention should fall within the protection scope of the claims attached to the present invention.

Claims

1. A tower magnetic separator, characterized in that: The invention comprises a feed trough (1), a tailings trough (2), a concentrate trough (3), a separation pipe (4), a strong magnetic system (5), a partition plate (6), a cylinder (7), a separation plate (8) and a concentrate plate (9). The top of the cylindrical cylinder (7) is provided with a feed trough (1). One end of the separation pipe (4) is connected to the lower part of the feed trough (1). The other end of the separation pipe (4) is fixed to the bottom of the cylinder (7) for introducing slurry into the cylinder (7). A plurality of separation openings (10) are arranged at equal intervals along the outer wall of the separation pipe (4). A plurality of separation plates (8) are arranged at equal intervals and symmetrically on both sides of each separation opening (10). A strong magnetic system (5) is arranged on each separation plate (8) near the inner wall of the cylinder (7) for adsorbing slurry in the slurry. A concentrate plate (9) is provided below the separation plate (8), and the separation plate (8) and the concentrate plate (9) are separated by a partition plate (6). The screened magnetic minerals move and gather along the inner wall of the cylinder (7), and flow to the tailings trough (2) provided at the top of the cylinder (7); a stainless steel pipe (11) is sleeved on the outer periphery of the separation pipe (4), and the concentrate plate (9) is connected to the stainless steel pipe (11). Non-magnetic materials that are not adsorbed by the strong magnetic system (5) enter the stainless steel pipe (11) through the partition plate (6) and the concentrate plate (9) under the action of slurry pressure and gravity. The stainless steel pipe (11) is connected to the concentrate trough (3) provided below the tailings trough (2) to collect the non-magnetic materials and form concentrate.

2. The tower magnetic separator according to claim 1, characterized in that: The concentrate quality can be adjusted by adjusting the position of the partition plate (6) up and down.

3. The tower magnetic separator according to claim 1, characterized in that: By adjusting the heights of the tailings trough (2) and the concentrate trough (3), the concentrate separation quality under different pressures can be achieved.

4. The tower magnetic separator according to claim 1, characterized in that: The tailings trough (2) is provided with a tailings outlet (12) on the outside for discharging tailings; the concentrate trough (3) is provided with a concentrate outlet (13) on the outside for discharging concentrate.

5. The tower magnetic separator according to claim 1, characterized in that: The strong magnetic system (5) adopts a small-block multi-pole extrusion structure.

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