CN213792216U - Flotation column - Google Patents

Abstract

The utility model discloses a flotation column, including the cylinder, the cylinder below is provided with air injection system, tailing system, and the cylinder upper end outside is provided with the foam tank, and the foam tank top is provided with the branch workbin, divides the workbin to be connected with the inlet pipe, divides the workbin bottom to be connected with and divides the material pipe, divides in the material pipe stretches into the cylinder. The feeding device is provided with the material distribution box, the bottom of the material distribution box is movably connected with a plurality of material distribution pipes, when the bent pipe is blocked, the bent pipe can be directly replaced, ore pulp in the column body does not need to be emptied, maintenance time is saved, and hidden production troubles are reduced.

Description

Flotation column

Technical Field

The utility model belongs to the technical field of the ore pulp separator, a flotation column is related to.

Background

The flotation column is one of flotation devices, adopts a flow mode that ore particles are in countercurrent stable contact with micro bubbles, has more contact opportunities with the ore particles under the countercurrent condition, provides opportunities for collecting a large amount of ore particles, has a large thickness of a foam layer in the column, can be adjusted, and has the countercurrent cleaning effect of flushing water, so that the ore-rich ratio is large, the concentrate grade can be obviously improved, the flotation column is generally mainly used in a fine separation section of a concentrating mill to improve the concentrate grade, and the concentrating mill is also used for rough separation.

The existing equipment is used in a roughing process section, the ore pulp quickly abrades a feeding pipeline, impurities exist in the ore pulp sometimes, the problem of blockage of a material distributing pipe occurs, and normal production is influenced. As the slurry inlet pipeline is arranged at the middle upper part of the equipment and is 2.5 meters away from the upper edge of the foam tank, workers need to be hung into the flotation column body when the inlet pipe is overhauled and replaced every time, a foot falling platform is not supported in the flotation column body, the labor intensity of the workers is high, and the personnel safety risk is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flotation column has solved the big problem of the maintenance degree of difficulty that exists among the prior art.

The utility model provides a technical scheme be, a flotation column, including the cylinder, the cylinder below is provided with air injection system, tailing system, and the cylinder upper end outside is provided with the foam tank, and the foam tank top is provided with the branch workbin, divides the workbin to be connected with the inlet pipe, divides the workbin bottom to be connected with and divides the material pipe, divides in the material pipe stretches into the cylinder.

The utility model discloses a characteristics still lie in:

the material distributing pipe comprises a short pipe, the short pipe is connected to the material distributing box, and the short pipe is movably connected with a bent pipe.

An overhaul platform is arranged between the foam tank and the material distribution box.

A foam spraying pipe is also arranged above the foam groove, and the foam spraying pipe is provided with a spraying hole communicated with the foam groove.

The tailing system comprises an outlet pipe, the outlet pipe is connected to the bottom of the column body, a tailing regulating valve is arranged at the outlet end of the outlet pipe, the outlet pipe is further connected with a branch pipe, and an ore drawing valve is arranged on the branch pipe.

The bottom of the column body is connected with a flushing water pipe.

A foam layer thickness detection mechanism is also arranged in the column body.

The foam layer thickness detection mechanism comprises a measuring rod, one end of the measuring rod extends out of the column body, the other end of the measuring rod is connected with a floating ball, and the floating ball is located in the column body.

The utility model has the advantages that:

the utility model relates to a flotation column sets up and divides the workbin, divides a plurality of branch material pipes of workbin bottom swing joint, when the return bend blockked up, can directly change the return bend, need not the ore pulp in the evacuation column, saves repair time, reduces the production hidden danger.

Drawings

Figure 1 is the structure schematic diagram of the utility model discloses a flotation column.

In the figure, 1, a column body, 2, a foam groove, 3, a material distribution box, 4, a material inlet pipe, 5, a material distribution pipe, 6, a short pipe, 7, a bent pipe, 8, an overhaul platform, 9, a foam spraying pipe, 10, a spraying hole, 11, an outlet pipe, 12, a tailing regulating valve, 13, a branch pipe, 14, an ore drawing valve, 15, a flushing water pipe, 16, a measuring rod, 17, a floating ball and 18, and a gas spray gun.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

A flotation column is shown in figure 1 and comprises a column body 1, wherein an air injection system and a tailing system are arranged below the column body 1, a foam groove 2 is formed in the outer side of the upper end of the column body 1, a material distribution box 3 is arranged above the foam groove 2, the upper portion of the material distribution box 3 is connected with a feeding pipe 4, the bottom of the material distribution box 3 is connected with a plurality of material distribution pipes 5, and each material distribution pipe 5 extends into the column body 1. The gas injection system is a gas lance 18. The bottom of the material separating box 3 is provided with a wear-resistant porcelain plate.

The material distributing pipe 5 comprises a short pipe 6, the short pipe 6 is connected to the material distributing box 3, and the short pipe 6 is movably connected with a bent pipe 7. The short pipe 6 selects a wear-resistant short pipe, the short pipe 6 is embedded at the bottom of the distributing box 3, the short pipe 6 is connected with the bent pipe 7 through a flange, the disassembly is convenient, and the problem that the distributing pipe is easy to block is solved.

An overhaul platform 8 is arranged between the foam tank 2 and the material distribution box 3. The maintainer stands and can conveniently lift off old return bend 7 fast and can change new return bend at maintenance platform 8, need not to put down the interior ore pulp of flotation column.

A foam spraying pipe 9 is also arranged above the foam groove 2, and a spraying hole 10 communicated with the foam groove 2 is arranged on the foam spraying pipe 9. The foam leaching pipe 9 leaches rising foam with water, and reduces impurities in the concentrate.

The tailing system comprises an outlet pipe 11, the outlet pipe 11 is connected to the bottom of the column body 1, a tailing regulating valve 12 is arranged at the outlet end of the outlet pipe 11, the outlet pipe 11 is further connected with a branch pipe 13, and an ore drawing valve 14 is arranged on the branch pipe 13. The bottom of the column body 1 is connected with a flushing water pipe 15, the flushing water pipe 15 sprays water to the bottom of the column body, and can flush the ore precipitated at the bottom of the flotation column during ore drawing and discharge the ore through an ore drawing valve 14.

A foam layer thickness detection mechanism is also arranged in the column body 1. The foam layer thickness detection mechanism comprises a measuring rod 16, one end of the measuring rod 16 extends out of the column body 1, the other end of the measuring rod 16 is connected with a floating ball 17, and the floating ball 17 is located in the column body 1. The floating ball 17 floats on the liquid level, the measuring rod 16 is positioned on the foam layer, and the thickness of the foam layer is measured through the scale of the measuring rod 16.

The utility model relates to a working process of flotation column as follows:

ore pulp enters a material distribution box 3 through a feeding pipe 4 and flows into a column body 1 through a material distribution pipe 5, gas is fed into the column body 1 through a gas spray gun, the gas moves upwards from the bottom of the column body 1, the ore pulp and the gas are mineralized in the process of reverse movement, bubbles carry minerals to move upwards, water leaches rising foams through a foam leaching pipe 9, impurities in concentrate are reduced, and the concentrate flows out from the bottom of a foam tank 2; the tailings are discharged through the outlet pipe 11 under the action of the tailings regulating valve 12. When the flotation column is overhauled and discharged, water is sprayed to the bottom of the column body through the flushing water pipe 15, and the ore precipitated at the bottom of the flotation column is flushed and discharged through the ore drawing valve 14.

In this way, the utility model relates to a flotation column sets up and divides the workbin, divides a plurality of branch material pipes of workbin bottom swing joint, when the return bend blockked up, can directly change the return bend, need not the internal ore pulp of evacuation post, saves repair time, reduces and overhauls the degree of difficulty and production hidden danger.

Claims (8)

1. The utility model provides a flotation column, includes cylinder (1), cylinder (1) below is provided with air injection system, tailing system, a serial communication port, cylinder (1) upper end outside is provided with froth groove (2), froth groove (2) top is provided with branch workbin (3), divide workbin (3) to be connected with inlet pipe (4), divide workbin (3) bottom to be connected with and divide material pipe (5), divide material pipe (5) to stretch into in cylinder (1).

2. A flotation column according to claim 1, characterized in that the distribution pipe (5) comprises a short pipe (6), the short pipe (6) being connected to the distribution box (3), the short pipe (6) being movably connected to a bend (7).

3. A flotation column according to claim 1, characterized in that an inspection platform (8) is arranged between the froth tank (2) and the distribution box (3).

4. The flotation column as recited in claim 1, wherein a foam showering pipe (9) is further disposed above the foam tank (2), and the foam showering pipe (9) is provided with a spraying hole (10) communicated with the foam tank (2).

5. A flotation column according to claim 1, characterized in that the tailings system comprises an outlet pipe (11), the outlet pipe (11) is connected to the bottom of the column (1), the outlet end of the outlet pipe (11) is provided with a tailings regulating valve (12), the outlet pipe (11) is further connected with a branch pipe (13), and the branch pipe (13) is provided with an ore drawing valve (14).

6. A flotation column according to claim 1, characterized in that a flushing water pipe (15) is connected to the bottom of the column body (1).

7. A flotation column according to claim 1, characterized in that a froth layer thickness detection means is arranged in the column body (1).

8. A flotation column according to claim 7, characterized in that the froth layer thickness detection means comprises a measuring rod (16), one end of the measuring rod (16) extending out of the column body (1), and the other end of the measuring rod (16) is connected with a floating ball (17), and the floating ball (17) is located inside the column body (1).

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