CN210905108U

CN210905108U - Lead thickener for mine

Info

Publication number: CN210905108U
Application number: CN201921226672.9U
Authority: CN
Inventors: 赵全永; 王奎斌
Original assignee: Dandong Fengyin Mining And Metallurgy Co ltd
Current assignee: Dandong Fengyin Mining And Metallurgy Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-07-03
Anticipated expiration: 2029-07-31

Abstract

The utility model relates to a mining lead thickener, including the thick liquid pond top sets up the crane span structure, the crane span structure middle part sets up drive arrangement, the drive arrangement output sets up the transmission shaft that runs through the thick liquid pond, the transmission shaft lower part sets up the harrow frame, harrow frame lower part sets up the scraper blade, the inside cavity of transmission shaft, harrow the inside cavity of frame, the transmission shaft with harrow frame intercommunication, the inside breather pipe that sets up of scraper blade, the breather pipe through hollow connecting pipe with harrow frame intercommunication, the breather pipe with the outside intercommunication of scraper blade. The utility model provides a pair of mining lead thickener is through leading-in to the scraper blade with the air from the transmission shaft to by the scraper blade blowout, with carry the scraper blade and the harrow frame that are stranded by ore pulp flooding, no longer need artifical the processing, saved manpower and materials greatly.

Description

Lead thickener for mine

Technical Field

The utility model belongs to the technical field of mineral processing, concretely relates to mining lead thickener.

Background

The thickener is a device for separating solid from liquid under the action of gravity of an object, and is generally a cylindrical shallow groove with a conical bottom, which is built by taking concrete, wood or a metal welding plate as a structural material. The ore pulp with the solid weight of 10-20% can be concentrated into underflow ore pulp with the solid content of 45-55% through gravity settling, under the action of a rake which is installed in a thickener and runs at a slow speed (1/3-1/5 r/min), and a motor drives a transmission shaft, so that a rake frame rotates and simultaneously drives a scraper to move, and the thickened underflow ore pulp is discharged from a underflow opening at the bottom of the thickener through the scraper.

The ore pulp solid in the bottom of the thickener is increased, the resistance of the rake frame in operation is increased, when the resistance is increased to a certain degree, the transmission shaft stops rotating, the height of the rake frame is increased, the scraper plate slowly scrapes the ore pulp to the center of the thickening tank and discharges the ore pulp through the underflow opening, the resistance of the rake frame is reduced at the moment until the ore pulp descends to a normal station, and the operation is repeated.

Along with the aggravation of production tasks, the density of a flow layer at the bottom of the thickening tank is increased more and more, because the thickening machine is in a humid working environment, a walking motor (a peripheral transmission type thickening machine) or a motor (a central transmission type thickening machine) can stop working due to overload of load, during the period, a rake frame or a scraper can be pressed by solids continuously settled in the paddle tank, and after the walking motor or the motor is repaired, the rake frame cannot be lifted or can be rotated, and the thickening machine can be continuously operated only by manually loosening the area around the rake frame.

Disclosure of Invention

For solving the problem that exists among the prior art, the utility model provides a mining lead thickener, including the thick liquid pond top sets up the crane span structure, the crane span structure middle part sets up drive arrangement, the drive arrangement output sets up the transmission shaft that runs through the thick liquid pond, the transmission shaft lower part sets up the harrow frame, harrow frame lower part sets up the scraper blade, its characterized in that, the inside cavity of transmission shaft, harrow frame inside cavity, the transmission shaft with harrow frame intercommunication, the inside breather pipe that sets up of scraper blade, the breather pipe through hollow connecting pipe with harrow frame intercommunication, the breather pipe with scraper blade outside intercommunication.

Preferably, the top end of the transmission shaft is provided with a flange joint for connecting an air feeding pipe of an air pump.

In any of the above aspects, it is preferable that a check valve is provided inside the connection pipe.

In any of the above aspects, preferably, the connecting pipe is communicated with the rake frame through a connecting flange.

In any of the above aspects, preferably, the scraper is a rectangular parallelepiped structure and has a thickness greater than 6 cm.

In any of the above aspects, preferably, both ends of the vent pipe communicate with both left and right end surfaces of the scraper.

In any of the above schemes, preferably, the number of the vent pipes is two, the middle parts of the two vent pipes are perpendicularly crossed and communicated, the cross point is communicated with the connecting pipe, and the tail ends of the two vent pipes are respectively communicated with four horizontal surfaces of the scraper.

The utility model provides a pair of mining lead thickener is through leading-in to the scraper blade with the air from the transmission shaft to by the scraper blade blowout, with carry the scraper blade and the harrow frame that are stranded by ore pulp flooding, make this kind of condition no longer need the manual handling, saved manpower and materials greatly.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a detailed view of the scraper of the present invention.

The figures are labeled as follows: 1. the device comprises a pulp tank, 2, a bridge frame, 3, a transmission shaft, 31, a flange joint, 4, a driving device, 5, a rake frame, 6, a scraper, 61, a connecting flange, 62, a check valve, 63, a vent pipe, 64 and a connecting pipe.

Detailed Description

The utility model discloses in shown "preceding, back, left and right" all take figure 2 as the basis.

In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.

As shown in fig. 1, the utility model provides a pair of mining lead thickener, including thick liquid pond 1, thick liquid pond 1 is used for the processing container as the ore pulp, and thick liquid pond 1 top sets up crane span structure 2, and this crane span structure 2 spanes the top in thick

liquid pond

1, and 2 middle parts of crane span structure set up drive arrangement 4, and the transmission shaft 3 that runs through thick liquid pond 1 is set up to 4 output of drive arrangement, and 3 lower parts of transmission shaft set up harrow frame 5, and harrow frame 5 lower parts set up scraper blade 6, and transmission shaft 3 drives harrow frame 6 and rotates to make scraper blade 6 carry out the operation along the bottom in thick liquid pond 1, the above is prior art.

The utility model discloses an invention point lies in, transmission shaft 3 is inside hollow, and upper portion sets up flange 61 for be connected with the air pump, can squeeze the air into transmission shaft 3 inside.

The rake frame 5 is hollow, the rake frame 5 is a conventional metal rod and the like, and the transmission shaft 3 is communicated with the rake frame 5.

As shown in fig. 2, the scraper 6 is a rectangular parallelepiped structure, the thickness should be greater than 6 cm, a vent pipe 63 is arranged inside the scraper 6, the vent pipe 63 is communicated with the rake frame 5 through a hollow connecting pipe 62, the connecting pipe 62 also plays a role of fixing the scraper 6 below the rake frame 5, the vent pipe 63 is communicated with the outside of the scraper 6, so that the added air can be sprayed out from the surface of the scraper 6, and the diameter of the vent pipe 63 is 2-3 cm;

the vent pipe 63 can be a single pipeline which is transversely arranged, and the left end and the right end of the vent pipe are opened and communicated with the left surface and the right surface of the scraper 6, so that air is sprayed out from the two sides of the scraper 6;

alternatively, the number of the vent pipes 63 is multiple, for example, two vent pipes 63 are provided, the middle parts of the two vent pipes 63 are in crisscross communication, the cross points are in communication with the connecting pipe 64, and the ends of the two vent pipes 63 are respectively in communication with four horizontal surfaces of the scraper 6, namely, four surfaces of the scraper 6 in fig. 2, namely, the front surface, the rear surface, the left surface and the right surface, so as to increase the air outlet direction.

In order to facilitate cleaning or replacement and maintenance of the scraper 6, a connecting pipe 64 on the scraper 6 is connected to the rake frame 5 via a connecting flange 61.

In addition, by providing a non-return valve inside the connecting pipe 64, the slurry in the underflow layer can be effectively prevented from flowing back into the passage inside the scraper 6.

When the walking motor (peripheral transmission type thickener) or the motor (central transmission type thickener) of the thickener stops working due to overload of load, and the rake frame or the scraper is pressed by solids which continue to settle in the interior of the paddle tank during the period, firstly, the flange joint 31 above the transmission shaft 3 needs to be connected with the air supply pipe of the air pump, the air pump is started to drive high-pressure air into the interior of the transmission shaft 3, the driven air moves to the interior of the rake frame 5 along the transmission shaft 3 and enters the vent pipe 63 through the connecting pipe 64, the vent pipe 63 is communicated with certain surfaces of the scraper 6, the air which gushes out from the surface of the scraper 6 loosens and stirs the underflow layer around the tube plate 6, so as to release the scraper 6, if the underflow layer submerges the rake frame 5, the air bubbles output from the vent pipe 63 can similarly stir the ore pulp conveying near the rake frame 5 in the rising process, and simultaneously releasing the harrow frame 5, lifting the harrow frame 5 again, recovering the work of the transmission shaft 3, and continuing to perform sedimentation concentration.

Any combination of the inventive concepts and the detailed description of the invention and the accompanying drawings as illustrated in the description of the invention is not intended to be limited to the details shown and described, nor is the combination intended to serve as a shorthand description of all aspects of the invention. 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.

Claims

1. The utility model provides a mining lead thickener, including thick liquid pond top sets up the crane span structure, the crane span structure middle part sets up drive arrangement, the drive arrangement output sets up the transmission shaft that runs through thick liquid pond, the transmission shaft lower part sets up the harrow frame, harrow frame lower part sets up the scraper blade, its characterized in that, the inside cavity of transmission shaft, the inside cavity of harrow frame, the transmission shaft with harrow frame intercommunication, the inside breather pipe that sets up of scraper blade, the breather pipe through hollow connecting pipe with harrow frame intercommunication, the breather pipe with the outside intercommunication of scraper blade.

2. The mining lead thickener of claim 1, wherein a flange joint is arranged at the top end of the transmission shaft and used for connecting an air feed pipe of an air pump.

3. The mining lead concentrator of claim 1, wherein a check valve is arranged inside the connecting pipe.

4. The mining lead concentrator of claim 1, wherein the connecting pipe is in communication with the rake frame via a connecting flange.

5. The mining lead thickener of claim 1, wherein the scraper is of a rectangular parallelepiped structure and has a thickness greater than 6 cm.

6. The mining lead thickener of claim 5, wherein two ends of the vent pipe are communicated with the left and right end surfaces of the scraper.

7. The mining lead thickener according to claim 5, wherein the number of the vent pipes is two, the middle parts of the two vent pipes are vertically crossed and communicated, the cross point is communicated with the connecting pipe, and the tail ends of the two vent pipes are respectively communicated with four horizontal surfaces of the scraper.