CN218609835U

CN218609835U - Coarse-fine grading magnetic separation column and mineral separation system

Info

Publication number: CN218609835U
Application number: CN202222574867.0U
Authority: CN
Inventors: 张皓楠; 于东兴; 王先锋; 母传伟; 苑仁财; 张雨霏; 李锁稳; 郑乾艺; 樊志刚; 冯禹凡; 王浩宇; 陈雨齐
Original assignee: Shen Kan Engineering and Technology Corp of MCC
Current assignee: Shen Kan Engineering and Technology Corp of MCC
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-03-14
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to a thickness grading magnetic separation column and mineral processing system, including the barrel, set up ore feeding mouth, thickness grading sieve, coarse fraction ore feeding pipe and fine fraction ore feeding pipe above the barrel, coarse fraction ore feeding pipe lets in coarse fraction layer, fine fraction ore feeding pipe lets in fine fraction layer, separate through the magnetic pole layer between coarse fraction layer and the fine fraction layer, be provided with the electromagnetism magnetic pole in the magnetic pole layer; an inner layer material collecting port is arranged at the lower end of the coarse-grain layer, and an outer layer material collecting port is arranged at the lower end of the fine-grain layer; the inner layer material collecting port and the outer layer material collecting port are respectively communicated with the underflow port; and a coarse grain overflow port is arranged at the upper end of the coarse grain layer, and a total overflow port is arranged at the upper end of the fine grain layer. Compared with the prior art, the utility model discloses set up can the thickness graded give ore device, set up the liquid level of inner tube and be higher than the urceolus liquid level, and the overflow of inner tube can also enter into and sweep the selection among the urceolus, promote final grade.

Description

Coarse and fine grading magnetic separation column and mineral separation system

Technical Field

The utility model relates to a mineral processing technology field especially relates to a thickness is hierarchical magnetic separation post and mineral processing system.

Background

Beneficiation is a process of separating useful minerals from gangue minerals using differences in physical or physicochemical properties of the minerals, and relatively enriching the useful minerals. The magnetic separation is to sort the minerals according to the magnetic difference of the minerals, the gravity separation is to sort by utilizing the density difference between the minerals, and the magnetic separation column is equipment with the combined action of the magnetic separation and the gravity separation, is very important in the iron ore sorting process, and can effectively improve the concentrate grade.

However, the existing magnetic separation column is under the action of gravity and buoyancy, so that iron minerals with small particle sizes and gangue minerals with large particle sizes are under the same resultant force action and then enter concentrate together, in addition, upward resultant force borne by ore particles is mainly provided by rising water flow, so that the separation process of the magnetic separation column is very waste water, the magnetic separation column is often arranged in the separation, supplemented water is often used as new water, and certain negative influence is caused to a separation plant.

In view of this, the present invention is especially provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hierarchical magnetic separation post of thickness and mineral processing system to solve the problem mentioned in the above-mentioned background art.

In order to achieve one of the above purposes, the utility model provides the following technical scheme:

a coarse and fine grading magnetic separation column comprises a cylinder body, wherein an ore feeding port, a coarse and fine grading sieve plate, a coarse fraction ore feeding pipe and a fine fraction ore feeding pipe are arranged above the cylinder body, the coarse fraction ore feeding pipe is introduced into a coarse fraction layer, the fine fraction ore feeding pipe is introduced into a fine fraction layer, the coarse fraction layer and the fine fraction layer are separated by a magnetic pole layer, and an electromagnetic magnetic pole is arranged in the magnetic pole layer; an inner layer material collecting port is arranged at the lower end of the coarse-grained layer, and an outer layer material collecting port is arranged at the lower end of the fine-grained layer; the inner layer material collecting port and the outer layer material collecting port are respectively communicated with the underflow port;

and a coarse grain overflow port is arranged at the upper end of the coarse grain layer, and a total overflow port is arranged at the upper end of the fine grain layer.

Preferably, a feeding inclined plane is arranged at the lower end of the feeding hole.

Preferably, an inner layer water supply pipe is also introduced into the coarse fraction layer.

Preferably, an outer layer water supply pipe is also led into the fine grain layer.

Preferably, a water replenishing device is connected to the main overflow port, the water replenishing device comprises a water replenishing pipe, a clear water outlet is arranged above the tail end of the water replenishing pipe, and an intergrowth outlet is arranged below the tail end of the water replenishing pipe.

Preferably, a plurality of inclined plates are arranged inside the replenishing water pipe.

Preferably, the supplementary water pipe is disposed around an outer wall of the drum.

Preferably, the coarse fraction layer, the fine fraction layer and the magnetic pole layer are all concentrically arranged.

In order to achieve the second purpose, the utility model provides the following technical scheme:

a beneficiation system comprises the coarse and fine grading magnetic separation column.

Compared with the prior art, the utility model provides a thickness classification magnetic separation post and mineral processing system, beneficial effect lies in:

1. the utility model provides a pair of thickness grading magnetic separation post and mineral processing system has set up can the thickness graded give ore device to and can the hierarchical concentric barrel of polarity thickness, and set up the feed pipe respectively, with the rivers that rise of control. In addition, the liquid level of the inner cylinder is higher than that of the outer cylinder, and the overflow of the inner cylinder can enter the outer cylinder for scavenging, so that the final grade is improved.

2. The utility model provides a pair of magnetic separation post and ore dressing system are graded to thickness has set up one and has added the water installation, because there is a large amount of intergrowths in the total excessive of magnetic separation post, but the water requirement of adding of some technology in the flow can be satisfied to its quality of water, has consequently set up such benefit and has added the water installation, adds the water installation through the benefit and separates intergrowth and clear water, solves the great problem of some magnetic separation post water demand.

3. The utility model provides a pair of magnetic separation post and mineral processing system are graded to thickness, the flotation is graded to the thickness can carry out the quick flotation to the coarse grain, reduces because the mill cross the negative effects that the mill brought, and the flotation is graded to the thickness can directly isolate thinner soil simultaneously, has simplified the flow to can the pertinence carry out the flotation.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

FIG. 1 is a schematic structural view of a coarse-fine graded magnetic separation column according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an ore feeding part of a coarse and fine classification magnetic separation column and a flowing direction of ore pulp thereof according to an embodiment of the present invention;

FIG. 3 is a schematic view of a cylinder part of a coarse-fine classification magnetic separation column and a pulp flowing direction thereof according to an embodiment of the present invention;

FIG. 4 is a front view of a water replenishing device in a coarse and fine classification magnetic separation column according to an embodiment of the present invention;

fig. 5 is a top view of a water replenishing device in a coarse and fine classification magnetic separation column according to an embodiment of the present invention.

The schematic in the figure is as follows:

1. a feeding port; 2. a feeding slope; 3. a coarse and fine grading sieve plate; 4. a coarse fraction ore feed pipe; 5. a fine-grade ore feeding pipe; 6. a fine fraction layer; 7. a magnetic pole layer; 8. a coarse fraction layer; 9. a coarse grain overflow port; 10. a main overflow port; 11. an electromagnetic pole; 12. an outer layer water supply pipe; 13. an inner layer water supply pipe; 14. an outer material collecting port; 15. an inner layer material collecting port; 16. a underflow port; 17. a barrel; 18. a water replenishing device; 19. adding a water pipe; 20. a clear water outlet; 21. an outlet for the consortium; 22. a sloping plate; 23. the total overflow inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, an embodiment of the present invention provides a coarse and fine classification magnetic separation column, which comprises a cylinder 17, wherein a feeding port 1, a coarse and fine classification sieve plate 3, a coarse fraction feeding pipe 4 and a fine fraction feeding pipe 5 are arranged above the cylinder 17, the coarse fraction feeding pipe 4 is fed with a coarse fraction layer 8, the fine fraction feeding pipe 5 is fed with a fine fraction layer 6, the coarse fraction layer 8 is separated from the fine fraction layer 6 by a magnetic pole layer 7, and an electromagnetic magnetic pole 11 is arranged in the magnetic pole layer 7; an inner layer material collecting port 15 is arranged at the lower end of the coarse grain layer 8, and an outer layer material collecting port 14 is arranged at the lower end of the fine grain layer 6; the inner layer material collecting port 15 and the outer layer material collecting port 14 are respectively communicated with a bottom flow port 16; a coarse-grain overflow port 9 is arranged at the upper end of the coarse-grain layer 8, and a total overflow port 10 is arranged at the upper end of the fine-grain layer 6.

In the embodiment, the ore pulp enters the magnetic separation column from the ore feeding port 1 and passes through the feeding classification sieve plate. The center of the sieve plate is an outlet of coarse particles, and the coarse particles are fed into a coarse particle level layer 8 (inner layer) through a coarse particle level ore feeding pipe 4; the fine particles are screened to the undersize, and fed into a fine fraction layer 6 (outer layer) through a fine fraction feeding pipe 5. The overflow of the inner layer enters the outer layer through the coarse overflow port 9 for scavenging, and the overflow of the outer layer flows out through the main overflow port 10.

As shown in fig. 2, for further promoting the thickness grading effect, in another embodiment of the present invention, the lower end of the ore feeding port 1 is provided with an ore feeding inclined plane 2, and the ore pulp enters into the magnetic separation column from the ore feeding port 1, and through the ore feeding inclined plane 2, the ore pulp is uniformly fed onto the grading sieve plate, so as to increase the grading effect.

As shown in fig. 3, in order to further improve the effect of coarse and fine classification, in another embodiment of the present invention, an inner layer water supply pipe 13 is further introduced into the coarse fraction layer 8, and an outer layer water supply pipe 12 is further introduced into the fine fraction layer. The added water is respectively introduced into the coarse grain layer 8 and the fine grain layer from the inner layer water supply pipe 13 and the outer layer water supply pipe 12; wherein, the overflow of the coarse fraction layer 8 flows into the fine fraction layer 6 from the upper coarse overflow port 9 along the water flow direction of the inner water supply pipe 13 for secondary scavenging, and then the overflow of the fine fraction layer 6 flows out from the upper main overflow port 10 along the water flow direction of the outer water supply pipe 12. The residual ore pulp after scavenging flows out from the inner layer material collecting port 15 and the outer layer material collecting port 14 to the underflow port 16.

As shown in fig. 1, 4 and 5, in order to further relieve the water volume pressure of the plant selection, in another embodiment of the present invention, a water replenishing device 18 is connected to the total overflow port 10, the water replenishing device 18 includes a water replenishing pipe 19, a clear water outlet 20 is provided above the end of the water replenishing pipe 19, an intergrowth outlet 21 is provided below the end of the water replenishing pipe 19, and a plurality of inclined plates 22 are provided inside the water replenishing pipe 19.

In the embodiment, the total overflow enters the water replenishing device 18 from the total overflow inlet 23, the inclined plate 22 is arranged in the water replenishing pipe 19, the intergrowths therein impact on the inclined plate 22 to obtain a downward movement direction, so that the intergrowths are concentrated on the lower layer, the number of the upper-layer intergrowths is relatively small, the upper-layer openings can receive the replenishing water with less intergrowths, and the replenishing water directly returns to other processes of ore dressing to relieve the water volume pressure of the ore dressing plant.

In a preferred embodiment of the above embodiment, the additional water pipe 19 is arranged around the outer wall of the cylinder 17, and the arrangement mode of the additional water pipe 19 around the outer wall of the cylinder 17 can prolong the length of the additional water pipe 19, so that the flow path of the total overflow in the additional water pipe 19 is prolonged, and the separation effect of the symbiont and the clear water is further improved.

In addition, it should be noted that in the present embodiment, the coarse fraction layer 8, the fine fraction layer 6, and the magnetic pole layer 7 are all concentrically disposed.

The utility model discloses another embodiment still provides a mineral processing system, include according to the preceding embodiment a thickness classification magnetic separation post, this thickness classification magnetic separation post includes barrel 17 set up ore feeding mouth 1, thickness classification sieve 3, coarse fraction ore feeding pipe 4 and fine fraction ore feeding pipe 5 above the barrel 17, coarse fraction ore feeding pipe 4 lets in coarse fraction layer 8, fine fraction ore feeding pipe 5 lets in fine fraction layer 6, separate through magnetic pole layer 7 between coarse fraction layer 8 and the fine fraction layer 6, be provided with electromagnetic magnetic pole 11 in magnetic pole layer 7; an inner layer material collecting port 15 is arranged at the lower end of the coarse grain layer 8, and an outer layer material collecting port 14 is arranged at the lower end of the fine grain layer 6; the inner layer material collecting port 15 and the outer layer material collecting port 14 are respectively communicated with a bottom flow port 16; a coarse overflow port 9 is arranged at the upper end of the coarse fraction layer 8, and a total overflow port 10 is arranged at the upper end of the fine fraction layer 6.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Claims

1. A coarse and fine grading magnetic separation column comprises a cylinder body, and is characterized in that an ore feeding port, a coarse and fine grading sieve plate, a coarse fraction ore feeding pipe and a fine fraction ore feeding pipe are arranged above the cylinder body, the coarse fraction ore feeding pipe is communicated with a coarse fraction layer, the fine fraction ore feeding pipe is communicated with a fine fraction layer, the coarse fraction layer and the fine fraction layer are separated by a magnetic pole layer, and an electromagnetic magnetic pole is arranged in the magnetic pole layer; an inner layer material collecting port is arranged at the lower end of the coarse-grained layer, and an outer layer material collecting port is arranged at the lower end of the fine-grained layer; the inner-layer material collecting port and the outer-layer material collecting port are respectively communicated with the underflow port;

2. A coarse and fine grading magnetic separation column as recited in claim 1, wherein a feeding inclined plane is arranged at the lower end of the feeding port.

3. A coarse and fine fraction magnetic separation column as recited in claim 2, wherein an inner layer water feed pipe is further introduced into the coarse fraction layer.

4. A coarse and fine fraction magnetic separation column as recited in claim 3, wherein an outer layer water feed pipe is also introduced into the fine fraction layer.

5. The magnetic separation column for coarse and fine classification according to claim 4, characterized in that a water supplementing device is connected to the total overflow port, the water supplementing device comprises a water supplementing pipe, a clear water outlet is arranged above the end of the water supplementing pipe, and a consortium outlet is arranged below the end of the water supplementing pipe.

6. A coarse and fine fraction magnetic separation column as recited in claim 5, wherein a plurality of inclined plates are arranged inside the replenishing water pipe.

7. A coarse and fine fraction magnetic separation column as recited in claim 6, wherein said additional water supply pipe is disposed around the outer wall of said cylinder.

8. A coarse and fine fraction magnetic separation column as recited in claim 6, wherein said coarse fraction layer, said fine fraction layer and said magnetic pole layer are all concentrically disposed.

9. A beneficiation system comprising a coarse and fine fraction magnetic separation column according to any one of claims 1 to 8.