CN211885524U

CN211885524U - Deep cone thickener feeding mechanism

Info

Publication number: CN211885524U
Application number: CN202020216472.1U
Authority: CN
Inventors: 杜友花; 杜旦妮
Original assignee: Anhui Zhong Neng Machinery Manufacturing Co ltd
Current assignee: Anhui Zhong Neng Machinery Manufacturing Co ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-11-10
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses a deep cone thickener feeding mechanism, which comprises a feeding well, a variable speed motor arranged in the feeding well, a feeding pipe and a flocculating agent adding pipe arranged on one side of the feeding well, wherein the feeding well is a cylinder body with one end open and the other end closed, a plurality of discharge ports arranged circumferentially are arranged on the outer wall of the feeding well close to the open end, and a rotating shaft penetrating through the bottom wall of the feeding well is rotatably arranged at the circle center of the bottom wall of the feeding well; the speed changer is of a planetary gear structure. The utility model discloses a thereby the pivot is rotated and is driven the variable-speed motor and rotate the stirring rake with higher speed, carries out abundant stirring to tailing water and flocculating agent, can make tailing water and flocculating agent intensive mixing, does not influence the tailing water in the dark awl agitator yet and subsides.

Description

Deep cone thickener feeding mechanism

Technical Field

The utility model relates to a concentrated quick-witted pan feeding mechanism of dark awl belongs to tailing water treatment facilities technical field.

Background

The discharge concentration of tailings after conventional beneficiation concentration is generally below 30%, so that most of water is discharged to a tailing pond, and although part of the water can be recycled, the water consumption is large through evaporation and permeation. Particularly, in arid water-deficient areas, the beneficiation water is more precious. Meanwhile, after the tailings are discharged to a tailing pond in low concentration, the water storage capacity of the tailing pond is large, potential safety hazards are brought to the tailing pond, and the conventional operation of the tailing pond becomes a common safety problem in China and even all over the world. The whole deep cone thickener used in the prior production is in a vertical inverted cone shape and is provided with a feeding trough, a steady flow ring, a flocculating agent adding device, an overflow trough, a stirrer and a discharging device, tailing water enters the thickener from the feeding trough and is stirred lightly by the stirrer, so that solid particles descend and precipitate after the tailing water and the flocculating agent are fully mixed. And discharging the ore pulp subjected to precipitation and concentration through a lower discharging device. The overflow water after the upper part is clarified is recycled. The existing deep cone thickener has very low stirring rotation speed because of a stirrer, has very high power required by the high rotating speed of the stirrer due to the large volume of the deep cone stirrer, and can influence the sedimentation of tailing water due to too high rotating speed, so that the concentration effect cannot be achieved, but the flocculant cannot be fully fused with the tailing water due to the slow rotating speed of the stirrer, and the flocculant cannot be achieved.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a concentrated quick-witted pan feeding mechanism of dark awl rotates through the pivot and drives the variable-speed motor and rotate and drive the stirring rake and rotate with higher speed, carries out abundant stirring to tailing water and flocculating agent, can make tailing water and flocculating agent intensive mixing, does not influence the tailing water settlement in the dark awl agitator yet.

In order to achieve the purpose, the deep cone thickener feeding mechanism comprises a feeding well, a variable speed motor arranged in the feeding well, a feeding pipe and a flocculating agent adding pipe, wherein the feeding pipe and the flocculating agent adding pipe are arranged on one side of the feeding well; the variable-speed motor is of a planetary gear structure, is installed in the feed well including a sun gear fixed on a rotating shaft and a plurality of planet gears meshed with the sun gear in a rotating mode, the planet gears are installed on the bottom wall of the feed well in a rotating mode, stirring paddles are fixed on the planet gears, and the diameter of the sun gear is larger than that of the planet gears.

Preferably, a feeding pump is arranged on the feeding pipe.

Preferably, the sun gear is a hollow gear.

Preferably, a second stirring paddle is further arranged on the rotating shaft.

Preferably, the diameter of the sun wheel is at least twice as large as the diameter of the planet wheels.

Compared with the prior art, the utility model discloses a thereby the pivot is rotated and is driven the variable-speed motor and rotate the stirring rake with higher speed, carries out abundant stirring to tailing water and flocculating agent, can make tailing water and flocculating agent intensive mixing, does not influence the tailing water in the deep cone agitator yet and subsides.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the installation of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a schematic diagram of the internal structure of the present invention.

In the figure: 1. the device comprises a feeding well, 2, a rotating shaft, 2-1, a second stirring paddle, 3, a driving motor, 4, a bridge, 5, a feeding pipe, 6, a flocculating agent adding pipe, 7, the feeding well, 8, a speed changer, 8-1, a sun wheel, 8-2, a planet wheel, 9, a discharge outlet, 10 and stirring paddles.

Detailed Description

The technical solutions in the implementation of the present invention will be clear from the following description and accompanying drawings, and the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, an embodiment of the present invention provides a deep cone thickener feeding mechanism, which includes a feeding well 1, a speed changer 8 disposed inside the feeding well 1, a feeding pipe 5 disposed on one side of the feeding well, and a flocculant adding pipe 6, wherein the feeding well 1 is a cylinder body with an open end at one end and a closed end at the other end, a plurality of circumferentially arranged discharge ports 9 are disposed on an outer wall of the feeding well 1 near the open end, and a rotating shaft 2 penetrating through a bottom wall of the feeding well 1 is rotatably mounted at a center of a circle of a bottom wall of the feeding well 1; the variable speed motor 8 is of a planetary gear structure and comprises a sun gear 8-1 and a plurality of planet gears 8-2, wherein the sun gear 8-1 is fixed on the rotating shaft 2 and is rotatably arranged on the feeding well 1, the planet gears 8-2 are meshed with the sun gear 8-1, the planet gears 8-2 are rotatably arranged on the bottom wall of the feeding well 1, stirring paddles 10 are fixed on the planet gears 8-2, and the diameter of the sun gear 8-1 is larger than that of the planet gears 8-2.

Preferably, a feed pump 7 is provided on the feed pipe 5. The tailing water can enter the feeding well 1 from the feeding pipe 5, and backflow is prevented.

Preferably, the sun gear 8-1 is a hollow gear. The structure weight is reduced, and the required power is reduced.

Preferably, the rotating shaft 2 is further provided with a second stirring paddle 2-1. The stirring effect is enhanced, and the tailing water and the flocculating agent are favorably and fully mixed in the feeder well 1.

Preferably, the diameter of the sun wheel 8-1 is at least twice as large as the diameter of the planet wheels 8-2. The faster the rotation rate of the planet wheel 8-2, the better the tailing water and the flocculating agent are mixed.

The working process is as follows: the open end of a feeding well 1 is fixed on a bridge frame 4, a rotating shaft 2 is connected with an output shaft of a driving motor 3, tailing water enters the feeding well 1 from a feeding pipe 5, a flocculating agent enters the feeding well from a flocculating agent additive pipe 6, the driving motor 3 is started, the rotating shaft 2 rotates to drive a variable speed motor 8 to rotate, so that the rotating speed of a stirring paddle 10 is greater than that of the rotating shaft 2, and under the action of the stirring paddle 10, the tailing water and the flocculating agent are fully mixed in the feeding well and then are discharged into a deep cone stirrer from a discharge port 9 on the upper portion of the feeding well 1 to be fully settled and concentrated.

To sum up, the utility model discloses a thereby 2 rotations of pivot drive gear change machine 8 rotate and drive stirring rake 10 and rotate with higher speed, carry out abundant stirring to tailing water and flocculating agent, can make tailing water and flocculating agent intensive mixing, do not influence the tailing water in the deep cone agitator yet and subside.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. The deep cone thickener feeding mechanism is characterized by comprising a feeding well (1), a variable speed motor (8) arranged inside the feeding well (1), a feeding pipe (5) arranged on one side of the feeding well and a flocculant adding pipe (6), wherein the feeding well (1) is a cylinder body with an opening at one end and a closed end at the other end, a plurality of circumferentially arranged discharge ports (9) are formed in the outer wall of the feeding well (1) close to the opening end, and a rotating shaft (2) penetrating through the bottom wall of the feeding well (1) is rotatably arranged at the circle center of the bottom wall of the feeding well (1); the variable-speed motor (8) is of a planetary gear structure, and is installed including rotating at feeding well (1) including sun gear (8-1) and a plurality of planet wheel (8-2) with sun gear (8-1) meshing fixed on pivot (2), planet wheel (8-2) rotate and are installed on the diapire of feeding well (1), all be fixed with stirring rake (10) on planet wheel (8-2), sun gear (8-1) diameter is greater than planet wheel (8-2) diameter.

2. The feeding mechanism of the deep cone thickener according to claim 1, wherein a feeding pump (7) is arranged on the feeding pipe (5).

3. The feeding mechanism of the deep cone thickener according to claim 1, wherein the sun gear (8-1) is a hollow gear.

4. The feeding mechanism of the deep cone thickener according to claim 1, wherein a second stirring paddle (2-1) is further disposed on the rotating shaft (2).

5. The feeding mechanism of the deep cone thickener according to claim 1, wherein the diameter of the sun wheel (8-1) is at least twice as large as that of the planet wheel (8-2).