CN210385082U - Cylindrical double-screw slag removing screen - Google Patents

Abstract

The utility model discloses a cylindrical double-helix deslagging screen, which belongs to the technical field of deslagging screens and comprises a frame, wherein a worm gear reducer, a bearing seat, a motor and a spray water pipe are arranged above the frame, the worm gear reducer is positioned at the front end of the motor, the spray water pipe is positioned between the bearing seat and the worm gear reducer, one side of the bearing seat is fixedly connected with two connecting flanges through a transmission shaft, a cage main shaft is fixedly connected between the two connecting flanges, a driven belt pulley is arranged at one side of the cage main shaft, a driving belt pulley is arranged at one side of the worm gear reducer, the deslagging screen adopts flange connection by arranging the transmission shaft and the cage main shaft, the transmission shaft or the cage is replaced step by the cheap structure, the maintenance is convenient, the cost is saved, and the inconvenience in maintenance of equipment is avoided, the maintenance cost is too high.

Description

Cylindrical double-screw slag removing screen

Technical Field

The utility model belongs to the technical field of the slagging-off sieve, concretely relates to two spiral slagging-off sieves of drum formula.

Background

The cylinder type deslagging screen is currently used in the flotation operation flow of a concentrating mill, and in the flotation operation process, as the ore pulp discharged by ball milling contains more impurities (the main components of the impurities are wood chips, stubborn stones, broken balls, leaves and the like, hereinafter referred to as slag), the impurities often cause blockage of a cyclone (flotation operation grading equipment), a slurry pump and a flotation pipeline when entering the next flotation operation, so that the continuous operation of flotation is influenced, even the metal loss of the whole flotation operation is caused, and therefore deslagging before the flotation operation has very important significance.

The existing deslagging screen is inconvenient to overhaul and overhigh in maintenance cost, the screen holes of the screen are easily blocked by slag, the screening efficiency is reduced, the labor intensity of operators is increased, and the whole equipment can not be horizontally installed at times, so that the inconvenience in use is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drum formula double helix removes sediment sieve to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cylindrical double-helix deslagging screen comprises a frame, wherein a wheel speed reducer, a bearing seat, a motor and a spray header are arranged above the frame, the worm gear speed reducer is positioned at the front end of the motor, the spray header is positioned between the bearing seat and the worm gear speed reducer, one side of the bearing seat is fixedly connected with two connecting flanges through a transmission shaft, a sieve cage main shaft is fixedly connected between the two connecting flanges, a driven belt pulley is arranged on one side of the screen cage main shaft, a driving belt pulley is arranged on one side of the worm gear reducer, a triangle belt is connected between the driven belt pulley and the driving belt pulley in a transmission way, a spiral blade is arranged on the main shaft of the screen cage, and the outside of sieve cage main shaft is provided with the sieve cage, the interior table wall of sieve cage passes through screen cloth layering fixedly connected with screen cloth, the below of frame is provided with receipts sediment fill.

Preferably, a pulp separating plate is arranged inside the screen cage.

Preferably, the helical blades are arranged as double-head screws, and the helical blades are distributed at equal intervals.

Preferably, the worm gear reducer and the motor are fixedly connected through bolts.

Preferably, the spray header is provided with two altogether, and the spray header sets up respectively in the both sides of sieve cage, and the hole equidistance that sprays on the spray header of both sides staggers, is favorable to improving and sprays the effect.

Preferably, the main shaft of the screen cage is of a cylindrical structure.

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

1. this slagging-off sieve is through setting up transmission shaft and sieve cage main shaft, and the transmission shaft adopts the flange to connect with the sieve cage main shaft, and transmission shaft or sieve cage are changed step by step to this kind of structure cheaply, not only overhauls the convenience but also saves the cost, and the maintenance of avoiding equipment is inconvenient, and the maintenance cost is too high.

2. This slagging-off sieve is through setting up helical blade, and helical blade has flourishing thick liquid and pushes away the sediment dual function, and helical blade is double-end helical blade for it is better to push away the sediment effect, and the whole equipment of being convenient for can horizontal installation, avoids the unable horizontal installation of equipment, influences the use.

3. The deslagging screen is provided with the back-washing spray water pipes, and the spray water pipes are symmetrically arranged on two sides of the screen, so that screen holes of the screen are not easily blocked by slag, the screening efficiency is improved, and the labor intensity of operators is reduced.

Drawings

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

fig. 2 is a left side view of the present invention;

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

In the figure: 1. a drive shaft; 2. a worm gear reducer; 3. a screen cage spindle; 4. a screen cage; 5. screening a screen; 6. pressing strips on the screen; 7. a helical blade; 8. a pulp separating plate; 9. a connecting flange; 10. a bearing seat; 11. an electric motor; 12. a drive pulley; 13. a V-belt; 14. a driven pulley; 15. a spray header; 16. a frame; 17. a slag collecting hopper.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the utility model provides a cylindrical double-helix slag removing sieve, which comprises a frame 16, a worm gear reducer 2, a bearing seat 10, a motor 11 and a spray water pipe 15 are arranged above the frame 16, the worm gear reducer 2 is arranged at the front end of the motor 11, the spray water pipe 15 is arranged between the bearing seat 10 and the worm gear reducer 2, one side of the bearing seat 10 is fixedly connected with two connecting flanges 9 through a transmission shaft 1, the connecting flanges 9 are arranged in two numbers, a sieve cage spindle 3 is fixedly connected between the two connecting flanges 9, one side of the sieve cage spindle 3 is provided with a driven pulley 14, one side of the worm gear reducer 2 is provided with a driving pulley 12, a triangular belt 13 is in transmission connection between the driven pulley 14 and the driving pulley 12, the sieve cage spindle 3 is provided with helical blades 7, a sieve cage 4 is arranged outside the sieve cage spindle 3, the inner surface wall of the sieve cage 4 is fixedly, a slag collecting hopper 17 is arranged below the frame 16

In the above scheme, transmission shaft 1 adopts the flange connection with sieve cage main shaft 3, transmission shaft or sieve cage are changed step by step to this kind of structure cheap, it is convenient and save the cost not only to overhaul, helical blade 7 has flourishing thick liquid and pushes away the sediment dual function, and helical blade 7 is double-end helical blade, it is better to make to push away the sediment effect, the whole equipment of being convenient for can horizontal installation, spray header 15 makes the sieve mesh of screen cloth 5 be difficult to by the sediment jam, thereby screening efficiency has been improved and operating personnel's intensity of labour has been alleviateed.

Specifically, the inside of sieve cage 4 is provided with branch thick liquid board 8, divides thick liquid board 8 to be convenient for sieve the thick liquid in the sieve cage 4.

Specifically, helical blade 7 is double-end helical blade and equidistance distribution, is convenient for make equipment slagging-off effect better.

Specifically, the worm gear reducer 2 and the motor 11 are fixedly connected through a bolt, so that the worm gear reducer 2 and the motor 11 can be replaced conveniently.

Specifically, the spray pipes 15 are provided with two, the spray pipes 15 are respectively arranged on two sides of the screen cage 4, and the spray holes on the spray pipes 15 on two sides are staggered in an equidistant mode, so that the spray effect is improved, and sundries on the screen 5 are dredged.

Specifically, the screen cage main shaft 3 is of a cylindrical structure, so that the screen cage main shaft 3 can rotate conveniently.

The utility model discloses a theory of operation and use flow: when the device is used, an operator starts the motor 11 through an external power supply, the motor 11 drives the wheel speed reducer 2 and then drives the wheel speed reducer through the V-belt 13, the screen cage 4 is rotated, ore pulp enters the screen cage from the right side of the front view, passes through the pulp separating plate 8 and then enters the ore pulp collecting device through the screen 5, impurities in the ore pulp are attached to the screen 5, along with the continuous rotation of the screen cage 4, the impurities attached to the screen 5 are discharged out of the screen through axial thrust generated by the helical blades 7 on the inner wall of the screen and then enter the slag collecting hopper 17, the screen 5 belongs to a loss part, the mesh number (the size of a screen hole) of the screen 5 can be selected according to field process conditions, and the two sides of the screen cage 4 are provided with the spray water.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Drum formula double helix removes sediment sieve, including frame (16), its characterized in that: a worm gear speed reducer (2), a bearing seat (10), a motor (11) and a spray water pipe (15) are arranged above the rack (16), the worm gear speed reducer (2) is located at the front end of the motor (11), the spray water pipe (15) is located between the bearing seat (10) and the worm gear speed reducer (2), one side of the bearing seat (10) is fixedly connected with a connecting flange (9) through a transmission shaft (1), the connecting flange (9) is provided with two, a screen cage main shaft (3) is fixedly connected between the two connecting flanges (9), one side of the screen cage main shaft (3) is provided with a driven belt pulley (14), one side of the worm gear speed reducer (2) is provided with a driving belt pulley (12), a triangular belt (13) is connected between the driven belt pulley (14) and the driving belt pulley (12), and spiral blades (7) are arranged on the screen cage main shaft (3), and the outside of sieve cage main shaft (3) is provided with sieve cage (4), the interior table wall of sieve cage (4) is through screen cloth layering (6) fixedly connected with screen cloth (5), the below of frame (16) is provided with receipts sediment fill (17).

2. The cylindrical double-helix deslagging screen of claim 1, wherein: and a pulp separating plate (8) is arranged inside the screen cage (4).

3. The cylindrical double-helix deslagging screen of claim 1, wherein: the helical blades (7) are double-end helical blades and are distributed at equal intervals.

4. The cylindrical double-helix deslagging screen of claim 1, wherein: the worm gear reducer (2) and the motor (11) are fixedly connected through bolts.

5. The cylindrical double-helix deslagging screen of claim 1, wherein: the spray header (15) are provided with two altogether, and spray header (15) set up respectively in the both sides of sieve cage (4), and spray hole equidistance on the spray header (15) of both sides staggers, is favorable to improving the spraying effect.

6. The cylindrical double-helix deslagging screen of claim 1, wherein: the sieve cage main shaft (3) is of a cylindrical structure.

Images