CN220514436U

CN220514436U - Unpowered jet type flotation column

Info

Publication number: CN220514436U
Application number: CN202321956679.2U
Authority: CN
Inventors: 杨铭辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-02-23
Anticipated expiration: 2033-07-25

Abstract

The utility model discloses an unpowered jet type flotation column which comprises a flotation column, a precipitation column, an overflow tank, a first high-pressure water spraying frame, a feeding device, a high-level water tank, a water-gas mixer, a second high-pressure water spraying frame and a third high-pressure water spraying frame, wherein the first high-pressure water spraying frame is arranged on the bottom of the flotation column; the flotation column consists of an upper column body and a lower cone body; the sedimentation column is annularly arranged at the upper part of the flotation column, and the overflow groove is annularly arranged at the upper part of the sedimentation column; the first high-pressure water spraying frame is fixedly arranged right above the flotation column, and the feeding device is fixedly arranged right above the first high-pressure water spraying frame; the outlet of the bottom of the high-level water tank is connected with three pipelines, one pipeline is communicated with a first high-pressure water spraying frame, the second pipeline is communicated with a water-gas mixer arranged on one side below the high-level water tank, and the third pipeline is communicated with a second high-pressure water spraying frame arranged above the water-gas mixer. The utility model converts the potential energy of high water into low kinetic energy, and allows the water and the gas to enter the flotation column for flotation after being mixed, so that the energy consumption is low and the flotation effect is good.

Description

Unpowered jet type flotation column

Technical Field

The utility model belongs to the technical field of flotation machines, and particularly relates to an unpowered jet type flotation column.

Background

The flotation machine is short for flotation concentrator, refers to mechanical equipment for finishing flotation process, in the flotation machine, ore pulp treated by adding medicament is stirred and aerated, so that some ore particles are selectively fixed on bubbles, the ore pulp floats to the surface of the ore pulp to be scraped out to form foam products, and the rest part of the ore pulp is reserved in the ore pulp, so that the purpose of separating minerals is achieved.

The existing ore pulp pressurized flotation machines are divided into an air self-suction flotation machine and a pneumatic flotation machine; air self-priming flotation machines such as jet cyclone flotation machines, air-compressing flotation machines such as duff jet flotation machines and airlift centrifugal flotation machines. The Davuiller jet flotation machine belongs to a pulp pressurization and air blowing type flotation machine, and consists of a tank body, a cyclone nozzle, a foam overflow tank, a baffle plate, a tailing conduit and the like; when in operation, ore pulp and air are pressurized together and sent into a flotation machine for flotation, and the device has the advantages of high flotation speed, large treatment capacity and the like.

However, the pulp pressure type flotation machine is a method for separating out dispersion bubbles from pulp by changing the pressure of gas in the pulp, and performing flotation in a pulp stirring and mixing mode, so that a large amount of power resources are required to be consumed during working. It is therefore particularly necessary to design a flotation machine with low energy consumption.

Disclosure of Invention

The utility model aims to provide an unpowered jet type flotation column, which realizes the flotation of mineral materials with low electricity consumption by the principle of converting potential energy of high water into low kinetic energy.

In order to achieve the above object, the present utility model provides the following technical solutions: an unpowered jet type flotation column comprising: the device comprises a flotation column, a precipitation column, an overflow tank, a first high-pressure water spraying frame, a feeding device, a high-level water tank, a water-air mixer, a second high-pressure water spraying frame and a third high-pressure water spraying frame;

the flotation column consists of a first column body at the upper part and a cone body at the lower part, and the bottom of the cone body is a discharge hole; the flotation column is arranged on the horizontal ground through a support;

the sedimentation column is annularly arranged at the side of the flotation column, and the top surface of the sedimentation column is lower than the top surface of the flotation column; the overflow groove is annularly arranged at the upper part of the precipitation column, and the top surface of the overflow groove is lower than the top surface of the precipitation column; a plurality of feeding tanks are arranged on the side wall of the flotation column above the joint of the sedimentation column and the flotation column;

the first high-pressure water spraying frame is fixedly arranged right above the flotation column, and the feeding device is fixedly arranged right above the first high-pressure water spraying frame;

the outlet of the bottom of the upper high-level water tank is connected with three pipelines, one pipeline is communicated with a first high-pressure water spraying frame, the second pipeline is communicated with a water-gas mixer arranged on one side below the upper high-level water tank, and the third pipeline is communicated with a second high-pressure water spraying frame arranged above the water-gas mixer; valves are arranged on the three pipelines;

the water outlet at the bottom of the water-air mixer is connected with two pipelines, wherein: the first pipeline is communicated with a third high-pressure water spraying frame fixed in the flotation column, and a check valve is arranged at the lower part of the first pipeline; the second pipeline is inserted into the bottom of the flotation column, and the water outlet end of the second pipeline is horizontally arranged along the inner wall of the flotation column.

Preferably, the feeding device consists of a hollow second column and a cone structure connected below the second column; a plurality of distributing holes are arranged on the cone structure.

Preferably, the first high-pressure water spraying frame consists of an annular outer frame and a branch pipe communicated with the annular outer frame, and a plurality of nozzles are arranged on the annular outer frame and the branch pipe; the structures of the second high-pressure water spraying frame and the third high-pressure water spraying frame are the same as those of the first high-pressure water spraying frame.

Preferably, two groups of continuous inclined water guide plates are symmetrically arranged in the overflow groove, the connection part of the lowest points of the two groups of water guide plates is a water outlet, and the top point of the water guide plates is positioned in the overflow groove at the opposite side of the water outlet.

Preferably, the flotation column is square or cylindrical in structure; a circle of baffle plates are arranged on the inner wall of the top of the flotation column.

Preferably, a water level controller for monitoring the water level is arranged on the side wall of the water-gas mixer.

Preferably, the pipeline connecting the water-gas mixer and the third high-pressure water spraying frame is arranged vertically near the inner wall of the flotation column at one section of the pipeline positioned in the flotation column.

Preferably, the flotation column is square or cylindrical in configuration.

Preferably, the flotation machine further comprises a booster pump, wherein the booster pump is connected with the first pipeline and a pipeline for connecting the first high-pressure water spraying frame with the high-level water tank respectively.

Preferably, the flotation machine further comprises an air pump, and the air pump is connected with the first pipeline.

Preferably, the number of the nozzles arranged on the first high-pressure water spraying frame, the second high-pressure water spraying frame and the third high-pressure water spraying frame is 1 or more.

The utility model converts potential energy of high water into low kinetic energy, so that water and gas are mixed in the water-gas mixer and then enter a flotation column for flotation, and the flotation effect of low electricity consumption is achieved; the utility model has simple structure, easy operation and good floatation effect.

Drawings

FIG. 1 is a schematic illustration of the present utility model;

FIG. 2 is a top plan view of a flotation column, a sedimentation column, an overflow launder, a first high pressure water jet rack, and a feed device;

FIG. 3 is a bottom view of the first high pressure water jet stand;

FIG. 4 is a schematic view of the relationship between the second conduit and the flotation column and the direction of water rotation;

FIGS. 5, 6 and 7 are schematic illustrations of isopipe water receiving sheets.

Description of the embodiments

Embodiments of the present utility model will now be described with reference to the accompanying drawings. It will be appreciated by those skilled in the art that the following examples are illustrative of the present utility model and should not be construed as limiting the scope of the utility model. The specific techniques, connections, or conditions are not identified in the examples and are set forth in accordance with the techniques, connections, conditions, or in accordance with the product specifications described in the literature in this field. The materials, instruments or equipment used are conventional products available from commercial sources, not identified to the manufacturer.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model is understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1, 2 and 3, the present utility model provides an unpowered jet type flotation column, which includes: the flotation column 1, the sedimentation column 2, the overflow tank 3, the first high-pressure water spraying frame 4, the feeding device 5, the high-level water tank 6, the water-gas mixer 7, the second high-pressure water spraying frame 8 and the third high-pressure water spraying frame 9;

the flotation column 1 consists of a first column 11 at the upper part and a cone 12 at the lower part, wherein a discharge hole 13 is arranged at the bottom of the cone 12, and a valve is arranged at the discharge hole 13; the flotation column 1 is arranged on the horizontal ground through a support 10; the flotation column 1 in the drawing is a square flotation column, the flotation column can also be of a cylindrical structure, and correspondingly, a sedimentation column and an overflow tank which are connected with the flotation column are also adjusted to be of a circular structure;

the sedimentation column 2 is annularly arranged at the side of the flotation column 1, and the top surface of the sedimentation column is lower than the top surface of the flotation column 1; the overflow groove 3 is annularly arranged at the upper part of the precipitation column 2, and the top surface of the overflow groove is lower than the top surface of the precipitation column 2; a plurality of feed grooves 14 are arranged on the side wall of the flotation column 1 above the joint of the sedimentation column 2 and the flotation column 1.

The first high-pressure water spraying frame 4 is fixedly arranged right above the flotation column 1, and the feeding device 5 is fixedly arranged right above the first high-pressure water spraying frame 4; the water flowing into the first high-pressure water spraying frame 4 from the high-level water tank 6 is sprayed into the flotation column 1 from the nozzle 43, and after colliding with the water on the surface of the flotation column 1, a foam layer 16 with the thickness of about 1 meter is generated, and the foam layer 16 is fully mixed with the gas sprayed from the second high-pressure water spraying frame 8, so that the flotation of mineral aggregates is realized.

The outlet of the bottom of the upper high-level water tank 6 is connected with three pipelines through a four-way valve, one pipeline is communicated with the first high-pressure water spraying frame 4, the second pipeline is communicated with the water-gas mixer 7 arranged on one side below the high-level water tank 6 and used for supplying water to the water-gas mixer 7, and the third pipeline is communicated with the second high-pressure water spraying frame 8 arranged above the water-gas mixer 7; valves are arranged on the three pipelines; a water level controller 74 for monitoring the water level is provided on the sidewall of the hydro-pneumatic mixer 7.

The water outlet at the bottom of the water-air mixer 7 is connected with two pipelines, wherein: the first pipeline 71 is communicated with a third high-pressure water spraying frame 9 fixed in the flotation column 1, and a check valve 75 is arranged at the lower part of the first pipeline 71; the second pipeline 72 is inserted into the bottom of the flotation column 1, and the water outlet end 73 of the second pipeline is horizontally arranged along the inner wall of the flotation column 1, so that water in the flotation column 1 can rotate along the direction of the water outlet end 73, as shown in fig. 4; a circle of flow blocking plates 15 are arranged on the inner wall of the top of the flotation column 1, and the flow blocking plates 15 are used for resisting the rotation of water flow at the upper part of the flotation column 1; the section of the pipeline which is positioned in the flotation column 1 is vertically arranged close to the inner wall of the flotation column 1; the second conduit 72 is also provided with a valve.

Specifically, the feeding device 5 is composed of a hollow second column 51 and a cone structure 52 connected below the second column 51; a plurality of distributing holes 53 are arranged on the cone structure 52; a through hole for the mineral aggregate to pass through is reserved between the second column body 51 and the cone structure 52, and the mineral aggregate passes through the through hole and then falls into the flotation column 1 below through the distributing hole 53 or along the slope of the cone structure 52.

In a further optimized scheme, the first high-pressure water spraying frame 4 consists of an annular outer frame 41 and a branch pipe 42 communicated with the annular outer frame 41, and a plurality of nozzles 43 are arranged on the annular outer frame 41 and the branch pipe 42; the structures of the second high-pressure water spraying frame 8 and the third high-pressure water spraying frame 9 are the same as those of the first high-pressure water spraying frame 4, and only the difference in size is found.

In a further optimization scheme, as shown in fig. 5, 6 and 7, two groups of continuously inclined water guide plates 32 are symmetrically arranged in the overflow groove 3, the connection part of the lowest points of the two groups of water guide plates 32 is a water outlet 31, and the top point of the water guide plates 32 is positioned in the overflow groove 3 at the opposite side of the water outlet 31; a valve is provided at the water outlet 31.

Further optimizing scheme, the flotation machine also comprises a booster pump, wherein the booster pump is respectively connected with a first pipeline 71 and a pipeline for connecting the first high-pressure water spraying frame 4 with the high-level water tank 6; the two pipes may be pressurized when the height of the basin is insufficient or the pressure of the water is insufficient for other reasons. The flotation machine further comprises an air pump, wherein the air pump is connected with the first pipeline 71, and air is directly added into the first pipeline 71.

In the utility model, the number of the nozzles arranged on the first high-pressure water spraying frame 4, the second high-pressure water spraying frame 8 and the third high-pressure water spraying frame 9 is 1 or more, and the number of the nozzles can be specifically arranged according to actual conditions; in fig. 3, the number of the nozzles is 16, and the nozzles are uniformly distributed on the high-pressure water spraying frame.

When the water flow falls down the pipeline from a height of tens of meters, a huge impact force is generated; when the high pressure water stream is sprayed from the small diameter nozzle into the water surface at a distance of about 500-100 mm from the water surface, a large amount of foam is generated on the water surface, the foam is quite uniform (the diameter is within 2 mm), and enough foam can be generated by only one nozzle per square meter for floatation. The greater the water pressure (the higher the height), the deeper the depth of the water is, and the better the effect is; however, the spraying effect can only penetrate to about 1 meter on the water surface, and the use effect on large and medium-sized flotation is not ideal.

The utility model provides an unpowered jet type flotation column, which adopts the jet flow mode that: on the high altitude of tens meters away from the flotation column, water to be flowed into the flotation column is firstly mixed with water and gas in the water-gas mixer by arranging a high-level water tank and the water-gas mixer, then enters the bottom of the flotation column through a pipeline, and is sprayed into the flotation column through a second high-pressure water spraying frame, so that a strong bubble layer is formed. The floatation mode only needs to control the size of the water flow and the water-gas mixed liquid through the valve, the working state is stable, the abrasion to the floatation column body is very low, and besides the water supplementing and electricity consumption of the high-level water tank, other structures of the device almost do not need electricity. While the traditional thousands of T flotation plants need to use thousands of kilowatts of electricity, the utility model only needs little electricity, and the ore dressing cost is greatly reduced.

Meanwhile, a flotation column and a sedimentation column are arranged in the utility model, when flotation bubbles flow through the sedimentation column, the sedimentation column does not generate bubbles, and the water is clear; when the foam passes through the sedimentation zone, part of impurities can flow down to the flotation cell through the feeding trough. When high-valence metal (such as copper-tin separation, lead-tin separation, tungsten-copper separation and the like) is subjected to flotation, part of metal can be taken away when a scraper type flotation machine is used according to the traditional process, and the flotation machine can reduce the proportion of other metals carried in a foam product and has good flotation effect.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any minor modifications, equivalents, and improvements made to the above embodiment according to the technical substance of the present utility model should be included in the scope of the technical solution of the present utility model.

Claims

1. An unpowered jet type flotation column, comprising: the device comprises a flotation column (1), a precipitation column (2), an overflow tank (3), a first high-pressure water spraying frame (4), a feeding device (5), a high-level water tank (6), a water-gas mixer (7), a second high-pressure water spraying frame (8) and a third high-pressure water spraying frame (9);

the flotation column (1) consists of a first column body (11) at the upper part and a cone body (12) at the lower part, and a discharge hole (13) is formed at the bottom of the cone body (12); the flotation column (1) is arranged on the horizontal ground through a support (10);

the sedimentation column (2) is annularly arranged at the side edge of the flotation column (1), and the top surface of the sedimentation column is lower than the top surface of the flotation column (1); the overflow groove (3) is annularly arranged at the upper part of the precipitation column (2), and the top surface of the overflow groove is lower than the top surface of the precipitation column (2); a plurality of feeding tanks (14) are arranged on the side wall of the flotation column (1) above the joint of the sedimentation column (2) and the flotation column (1);

the first high-pressure water spraying frame (4) is fixedly arranged right above the flotation column (1), and the feeding device (5) is fixedly arranged right above the first high-pressure water spraying frame (4);

the outlet of the bottom of the upper high-level water tank (6) is connected with three pipelines, one pipeline is communicated with a first high-pressure water spraying frame (4), the second pipeline is communicated with a water-gas mixer (7) arranged on one side below the high-level water tank (6), and the third pipeline is communicated with a second high-pressure water spraying frame (8) arranged above the water-gas mixer (7); valves are arranged on the three pipelines;

the water outlet at the bottom of the water-air mixer (7) is connected with two pipelines, wherein: the first pipeline (71) is communicated with a third high-pressure water spraying frame (9) fixed in the flotation column (1), and a check valve (75) is arranged at the lower part of the first pipeline (71); the second pipeline (72) is inserted into the bottom of the flotation column (1), and the water outlet end (73) of the second pipeline is horizontally arranged along the inner wall of the flotation column (1).

2. An unpowered jet type flotation column according to claim 1, characterized in that the feeding device (5) consists of a hollow No. two column (51) and a cone structure (52) connected below the No. two column (51); a plurality of distributing holes (53) are arranged on the cone structure (52).

3. An unpowered jet type flotation column according to claim 1, characterized in that the first high-pressure water spraying frame (4) consists of an annular outer frame (41) and a branch pipe (42) communicated with the annular outer frame (41), and a plurality of nozzles (43) are arranged on the annular outer frame (41) and the branch pipe (42); the structures of the second high-pressure water spraying frame (8) and the third high-pressure water spraying frame (9) are the same as those of the first high-pressure water spraying frame (4).

4. The unpowered jet type flotation column according to claim 1, wherein two groups of continuously inclined water guide plates (32) are symmetrically arranged in the overflow trough (3), the connection position of the lowest points of the two groups of water guide plates (32) is a water outlet (31), and the top point of the water guide plates (32) is positioned in the overflow trough (3) opposite to the water outlet (31).

5. An unpowered jet type flotation column according to claim 1, characterized in that the flotation column (1) is of square or cylindrical structure; a circle of baffle plates (15) are arranged on the inner wall of the top of the flotation column (1).

6. An unpowered jet type flotation column according to claim 1, characterized in that a water level controller (74) for monitoring the water level is provided on the side wall of the water-gas mixer (7).

7. An unpowered jet type flotation column according to claim 1, characterized in that the section of the first pipeline (71) connecting the water-gas mixer (7) and the third high-pressure water spraying frame (9) in the flotation column (1) is arranged vertically close to the inner wall of the flotation column (1).

8. An unpowered jet type flotation column according to claim 1, characterized in that the flotation column further comprises a booster pump, which is connected to the first pipeline (71) and to the pipeline connecting the first high-pressure water spraying frame (4) with the high-level water tank (6), respectively.

9. An unpowered jet type flotation column according to claim 1, characterized in that the flotation column further comprises an air pump, which is connected to the first conduit (71).

10. An unpowered jet type flotation column according to claim 3, characterized in that the number of nozzles arranged on the first high-pressure water spraying frame (4), the second high-pressure water spraying frame (8) and the third high-pressure water spraying frame (9) is 1 or more.