CN218981931U - Flotation column sprays ore dressing device - Google Patents

Abstract

The utility model discloses a flotation column spraying and concentrating device, which comprises a flotation column body, wherein a collecting tank is arranged at the top of the flotation column body, the collecting tank is obliquely arranged around the flotation column body, and a concentrate outlet is arranged at the lowest part of the collecting tank; a nonstandard disc is arranged above the collecting tank; a feed inlet is formed in one side of the flotation column body; the flotation column body is internally provided with a circumferential injector which is connected with a foam generator; the bottom of the flotation column body is provided with a slag discharging valve, and a separation device is arranged below the slag discharging valve; the separation device is sequentially connected with a circulating water pump, a water purifying device and a pressure reducing device from top to bottom through connecting water pipes. According to the utility model, the water flow column is formed by the through holes on the nonstandard disc and flows into the flotation column body, so that the foam on the upper layer of the flotation column body is broken, impurities are washed away, and the purity and the cleaning effect of concentrate are ensured by repeated flotation.

Description

Flotation column sprays ore dressing device

Technical Field

The utility model relates to the technical field of mineral separation, in particular to a flotation column spraying mineral separation device.

Background

The existing mineral separation technology is a process of crushing and grinding the ore according to the physical and chemical properties of different minerals in the ore, separating the 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, and separating various symbiotic (associated) useful minerals from each other as much as possible, removing or reducing harmful impurities, so as to obtain raw materials required by smelting or other industries.

When the flotation method is used for ore dressing, a flotation column is usually used for operation, the flotation column has a plurality of advantages, but the flotation column also has the limitation, when the existing flotation column is used for frame dressing, the concentrate is brought to the top of the flotation column by utilizing foam, then the concentrate is discharged from a concentrate outlet after the foam is naturally broken, and the tailings are discharged from a tailings outlet, so that the ore dressing purpose is achieved. However, when the existing flotation column is used for ore dressing, some impurities are also carried to the top of the flotation column along with the concentrate by foam, and are discharged from a concentrate outlet along with the concentrate along with the breakage of the foam, so that the obtained concentrate is doped with more impurities.

Therefore, how to solve the problem of flotation, which is to be solved currently, is to solve the problem of flotation, which is to be solved urgently.

Disclosure of Invention

The utility model aims to solve the technical problems in the background technology. Therefore, the utility model provides a flotation column spraying beneficiation device.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the flotation column spraying and concentrating device comprises a flotation column body, wherein a collecting tank is arranged at the top of the flotation column body, the collecting tank is obliquely arranged around the flotation column body, and a concentrate outlet is arranged at the lowest part of the collecting tank; a nonstandard disc is arranged above the collecting tank; a feed inlet is formed in one side of the flotation column body; the flotation column body is internally provided with a circumferential injector which is connected with a foam generator; the bottom of the flotation column body is provided with a slag discharging valve, and a separation device is arranged below the slag discharging valve; the separation device is sequentially connected with a circulating water pump, a water purifying device and a pressure reducing device from top to bottom through connecting water pipes.

Further, the water outlet end of the connecting water pipe is arranged above the nonstandard disc.

Further, a through hole is formed in the bottom of the nonstandard disc.

Further, the annular ejector comprises an annular pipe and inclined spray heads, and the inclined spray heads are uniformly distributed on the inner side of the annular pipe.

Furthermore, the oblique spray heads incline towards the same direction.

Further, a filter plate is obliquely arranged in the separation device.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the nonstandard disc is arranged above the flotation column body, when water flows to the nonstandard disc from bottom to top through the guide pipe, a plurality of water flow columns are formed by the through holes on the nonstandard disc and flow into the flotation column body, so that the foam on the upper layer of the flotation column body is broken, impurities in the foam along with concentrate are washed away, the purity of the concentrate subjected to repeated flotation is higher, the cleaning effect is better, the water resource is recycled, and the energy is saved and the environment is protected.

Drawings

Fig. 1: is a structural schematic diagram of the utility model;

fig. 2: is a top view of the toroidal injector of the present utility model;

fig. 3: is a top view of the nonstandard disc of the present utility model;

in the figure: 1-a flotation column body; 2-a feed inlet; 3-a slag discharging valve; 41-a slag discharge port; 42-filtering plates; 43-a sewage outlet; 5-a circulating water pump; 6-a water purifying device; 7-a pressure reducing device; 8-connecting a water pipe; 9-nonstandard disks; 10-concentrate outlet; 11-a foam generator; 12-toroidal injectors; 121-a collar; 122-oblique spray heads; 13-through holes; 14-connecting pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, a flotation column spraying and concentrating device comprises a flotation column body 1, wherein the flotation column body 1 is preferably in a straight cylinder shape, a collecting tank is arranged at the top of the flotation column body 1, and the collecting tank is obliquely arranged around the flotation column body 1 and integrally formed with the flotation column body 1. The top of the collecting tank is open, and the bottom surface of the collecting tank is inclined; the lowest part of the collecting tank is provided with a concentrate outlet 10 and is positioned at one side of the flotation column body 1. The bottom surface of the collecting tank is inclined so as to collect concentrate and ensure that concentrate can be smoothly discharged from the concentrate outlet 10.

The other side of the flotation column body 1 is provided with a feed inlet 2, and the feed inlet 2 is positioned at the middle upper part of the flotation column body 1 and is lower than the concentrate outlet 10 in installation height. And a circumferential injector 12 is arranged below the feed inlet 2, and the circumferential injector 12 is positioned in the flotation column body 1. As shown in fig. 2, the circumferential injector 12 includes a ring pipe 121 and inclined spray nozzles 122, the number of the inclined spray nozzles 122 is preferably 4, the inclined spray nozzles 122 are uniformly distributed on the inner side of the ring pipe 121, and the inclined spray nozzles 122 are inclined in the same direction, so that the mixed liquid in the flotation column body 1 forms a rotational flow in a counterclockwise or clockwise direction when foam is sprayed, bottom disturbance is increased, impurity separation is promoted, and flotation quality is ensured. The annular ejector 12 is connected to the foam generator 11 by a connecting pipe 14.

The bottom of flotation column body 1 is equipped with the slag discharge valve 3, slag discharge valve 3 below is equipped with separator, obliquely install filter 42 in the separator, filter 42 will separator separates into two relative independent spaces, set up the mesh that permeates water on the filter 42 and be used for filtering out the sewage in the grain slag mixture. The upper space separated by the filter plate 42 is provided with a slag discharge port 41 for discharging tailings; the lower space divided by the filter plate 42 is provided with a drain 43 for discharging sewage. The sewage outlet 43 is sequentially connected with a circulating water pump 5, a water purifying device 6 and a pressure reducing device 7 from top to bottom through a connecting water pipe 8, impurities are removed by the water purifying device 6, the water is clean, and the impurities in the water are prevented from entering concentrate; and meanwhile, the pressure reducing device 7 is used for adjusting the water pressure, so that the foam is prevented from being broken when the foam does not reach the top of the flotation column body 1.

The non-standard disc 9 is arranged below the water outlet end of the connecting water pipe 8, the non-standard disc 9 is arranged above the collecting tank through a mounting frame, as shown in fig. 3, and a plurality of through holes 13 are formed in the bottom of the non-standard disc 9. Specifically, ore pulp is introduced into the flotation column body 1 from the feed inlet 2, meanwhile, water flow is led into the nonstandard disc 9 through the connecting water pipe 8, a plurality of water flow columns are formed through the through holes 13 on the nonstandard disc 9 and flow to the flotation column body 1, a large amount of foam is generated by the foam generator 11, the foam is sprayed into the flotation column body 1 through the annular sprayer 12, the separation of impurities is promoted by the rotational flow, concentrate in the ore pulp is brought to the top of the flotation column body 1 under the action of foam buoyancy, a small part of foam is broken by the water flow columns, meanwhile, the impurities in the foam are broken, the concentrate is repeatedly floated, overflows the flotation column body 1 along with the floating of the concentrate, and is discharged from the concentrate outlet 10 when entering the collecting tank, and the purity of the concentrate is higher; when the slag discharging valve 3 is opened, the tailings sink to the slag discharging opening 41, and are discharged from the slag discharging opening 41.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the scope of the claims of the present utility model.

Claims (6)

1. The flotation column spraying and concentrating device comprises a flotation column body (1), and is characterized in that a collecting tank is arranged at the top of the flotation column body (1), the collecting tank is obliquely arranged around the flotation column body (1), and a concentrate outlet (10) is formed in the lowest position of the collecting tank; a nonstandard disc (9) is arranged above the collecting tank; a feed inlet (2) is arranged at one side of the flotation column body (1); a circumferential ejector (12) is arranged in the flotation column body (1), and the circumferential ejector (12) is connected with a foam generator (11); the bottom of the flotation column body (1) is provided with a slag discharging valve (3), and a separation device is arranged below the slag discharging valve (3); the separation device is sequentially connected with a circulating water pump (5), a water purifying device (6) and a pressure reducing device (7) from top to bottom through a connecting water pipe (8).

2. A flotation column spray beneficiation device according to claim 1, characterized in that the water outlet end of the connecting water pipe (8) is arranged above the non-standard disc (9).

3. A flotation column spray beneficiation device according to claim 2, characterized in that the bottom of the non-standard disc (9) is provided with a through hole (13).

4. A flotation column spray beneficiation device according to claim 1, characterized in that the circumferential injector (12) comprises a ring pipe (121) and inclined spray heads (122), wherein the inclined spray heads (122) are evenly distributed inside the ring pipe (121).

5. A spray flotation column beneficiation device in accordance with claim 4, wherein the angled spray heads (122) are all angled in the same direction.

6. A spray flotation column beneficiation device according to claim 1, characterized in that the separation device is internally provided with a filter plate (42) inclined.

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