CN212975305U

CN212975305U - Coal screening equipment

Info

Publication number: CN212975305U
Application number: CN202021740100.5U
Authority: CN
Inventors: 徐世娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-04-16
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a coal screening installation in coal screening field, including shining the case, its characterized in that: the lower end of the drying box is provided with a conveyor belt, the conveyor belt and the lower end of the drying box are provided with supporting legs, the conveyor belt is connected with a motor through a belt, the upper end of the drying box is communicated with a grinding box, the grinding box is rotatably connected with a roller, the outer wall of the roller is sleeved with a leather sleeve, the inner walls of two sides of the drying box are fixedly connected with sliding chutes, the sliding chutes are slidably connected with sliding columns, sliding columns are fixedly connected with a screen, the lower end surfaces of two sides of the screen are fixedly connected with racks, the lower end of each rack is meshed with a second toothed fan, the inner wall of the drying box is fixedly connected with a rotating shaft, the rotating shaft is rotatably connected with the second toothed fan, the outer wall of the drying box is fixedly connected with a second motor, an output shaft of the second motor penetrates through the drying; this practicality can sieve out the rock in the coal, improves the purity of coal to and improve the treatment effeciency in later stage.

Description

Coal screening equipment

Technical Field

The utility model relates to a coal screening field specifically is a coal screening installation.

Background

Coal is a solid combustible mineral formed by ancient plants buried underground and undergoing complex biochemical and physicochemical changes gradually, is known as black gold and industrial food by people, is one of main energy sources used in the human world in the eighteenth century, is one of indispensable energy sources for production and life of people at present and in the future for a long time, is also related to the stability of the development of the industry of China and the aspects of the whole society, and is the most important part in energy safety of China. The coal is produced in block form, and is crushed and screened when in use, and the screening is particularly important for the sufficient combustion of the coal.

The existing screening effect is not good enough, coal is usually screened directly without being crushed, and as the coal mine is mined from the underground, other adhesions in the coal contain doped impurities, such as rocks and other ores, so that the purity of the coal mine is not high. And untreated coal mines affect post combustion or refining.

Therefore, the utility model provides a coal screening installation to solve the problem of proposing among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal screening installation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a coal screening device comprises a drying box, a conveyor belt is arranged at the lower end of the drying box, the conveyor belt and the lower end of the drying box are provided with supporting legs, the conveyor belt rotates to connect the supporting legs, the conveyor belt is connected with a motor through a belt, the upper end of the drying box is communicated with a grinding box, the grinding box rotates to connect a roller, the outer wall of the roller is sleeved with a leather sleeve, two inner wall fixed connection chutes of the drying box are connected with a sliding chute in a sliding mode, the sliding chute is connected with a sliding column in a sliding mode, the sliding column is fixedly connected with a screen, a rack is fixedly connected with the lower end faces of the two sides of the screen, the lower end of the rack is meshed with a second toothed fan and a second toothed fan, an inner wall fixed connection rotating shaft of the drying box is connected with a second toothed fan in a rotating mode, a second outer wall fixed motor of the drying box is connected with a second output shaft of the second, the right end of the rotating rod is connected in the limiting ring in a sliding mode.

As a further aspect of the present invention: the upper end of the grinding box is communicated with the feed inlet, and the feed inlet is wide at the top and narrow at the bottom. The feed inlet can guarantee that the coal material is concentrated to fall between the leather sheath, guarantees directional crushing.

As a further aspect of the present invention: a discharge port is formed in the left end of the drying box, and the left end of the discharge port is inclined downwards. Substandard impurities have been sent out of the screen.

As a further aspect of the present invention: the outer surface wall of the leather sheath is provided with convex teeth, and the leather sheath and the convex teeth are made of rubber materials. Can be with coal crushing unable crushing hard rock in the time, the function of screening is realized to the cooperation screen cloth.

As a further aspect of the present invention: the upper end of the sector is a long rod with an incomplete gear shape and a hollowed lower end as a center, and the hollowed position is connected with the rotating rod in a sliding manner. The reciprocating screening function of the screen is realized.

As a further aspect of the present invention: the front end and the rear end of the screen mesh and the inner walls of the front end and the rear end of the drying box are provided with intervals. The reciprocating motion of the screen mesh can be realized without colliding with the inner wall of the drying box.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a screening process goes on at the incasement, and the dust when reducing the screening produces, and the coal charge pulverizes the back from the feed inlet through the cylinder of grinding the case and goes to the whereabouts, because the cover is equipped with the rubber leather sheath, and hard rock is difficult to pulverize, and the screening through the screen cloth again, coal is carried away through the conveyer belt under the screen, and the rock is seen off through the discharge gate, and the coal purity after the screening is high and kibbling coal has reduced the processing procedure in later stage, and the availability factor is high.

Drawings

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

FIG. 2 is a schematic structural view of the inside of the sun-curing box of the present invention;

FIG. 3 is a schematic structural view of a second sector of the present invention;

fig. 4 is a schematic view of the connection structure of the middle screen of the present invention.

In the figure: 1-screen box, 2-grinding box, 3-feeding port, 4-discharging port, 5-conveyor belt, 6-motor, 7-belt, 8-supporting leg, 9-motor II, 10-roller, 11-leather sheath, 12-convex tooth, 13-screen, 14-chute, 15-rack, 16-sector, 17-rotating shaft, 18-rotating rod, 19-sector II, 20-rotating disc, 21-limiting ring and 22-sliding column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in the embodiment of the present invention, a coal screening apparatus comprises a drying box 1, a conveyor belt 5 is disposed at the lower end of the drying box 1, the conveyor belt 5 and the lower end of the drying box 1 are both provided with support legs 8, the conveyor belt 5 is rotatably connected with the support legs 8, the conveyor belt 5 is connected with a motor 6 through a belt 7, the upper end of the drying box 1 is communicated with a grinding box 2, the grinding box 2 is rotatably connected with a roller 10, the outer wall of the roller 10 is sleeved with a leather sheath 11, the inner walls of the two sides of the drying box 1 are fixedly connected with a chute 14, the chute 14 is slidably connected with a slide column 22, the slide column 22 is fixedly connected with a screen 13, the lower end faces of the two sides of the screen 13 are fixedly connected with a rack 15, the lower end of the rack 15 is meshed with a toothed fan 16 and a toothed fan two 19, the inner wall of the drying box 1 is fixedly connected with a rotating shaft 17, an output shaft of the second motor 9 is fixedly connected with a rotating disc 20, the position, far away from the circle center, of the rotating disc 20 is fixedly connected with a rotating rod 18, and the right end of the rotating rod 18 is connected in a limiting ring 21 in a sliding mode.

Wherein, the upper end of the grinding box 2 is communicated with a feed inlet 3, and the feed inlet 3 is wide at the top and narrow at the bottom. The feed inlet can ensure that the coal material falls between the leather sleeves 11 in a centralized way and ensures directional crushing; a discharge port 4 is formed at the left end of the drying box 1, and the left end of the discharge port 4 is inclined downwards. The substandard impurities have been fed out of the screen 13; the outer wall of the leather sheath 11 is provided with convex teeth 12, and both the leather sheath 11 and the convex teeth 12 are made of rubber. Hard rocks cannot be crushed while coal can be crushed, and the function of screening is realized by matching with the screen 13; the upper end of the sector 16 is a long rod with an incomplete gear shape and a hollow center at the lower end, and the hollow position is connected with the rotating rod 18 in a sliding way. The reciprocating screening function of the screen is realized; the front and rear ends of the screen 13 are spaced apart from the inner walls of the front and rear ends of the sun shine box 1. The reciprocating motion of the screen mesh can be realized without colliding with the inner wall of the drying box.

The utility model discloses a theory of operation is: coal is fed from the feed port 3, and the coal falls into the grinding box 2 from the feed port 3, and the rubber leather sheath 11 is sleeved on the outer wall of the roller 10, so that the coal is ground due to the low hardness of the coal when being ground, but hard rock or ore cannot be ground, the leather sheath is only compressed and falls into the inner part, and then falls to the upper end of the screen mesh 13 together with the coal. The second motor 9 rotates the carousel 20 through the output shaft and drives the bull stick 18 and rotate, the right-hand member of bull stick 18 slides in spacing collar 21, along with the rotation of bull stick 18, sector 16 rotates in pivot 17, when carousel 20 rotates the leftmost side, sector 16 can rotate the rightmost side, when carousel 20 rotates the rightmost side, sector 16 can rotate the leftmost side, along with the incessant rotation of the second motor 9, the reciprocating rotation that makes a round trip that sector 16 can not stop, two 19 principle of sector are the same, cooperate the synchronous motion with sector 16. Because the upper ends of the two

toothed sectors

16 and 19 are meshed with the rack 15, the two toothed sectors drive the rack 15 to slide in the chute 14 in a reciprocating manner through the sliding column 22 when rotating, thereby realizing the screening function. The crushed coal is screened and dropped to a conveyor belt 5 to be conveyed away, and the coal which is not crushed is conveyed to a discharge port 4 through a screen to be conveyed away. The motor 6 drives the conveyor belt 5 to rotate through the belt 7.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a coal screening installation, is including shining case (1), its characterized in that: the lower extreme of shining case (1) is provided with conveyer belt (5), conveyer belt (5) and the lower extreme of shining case (1) all are provided with supporting leg (8), conveyer belt (5) rotate and connect supporting leg (8), conveyer belt (5) are connected through belt (7) and motor (6), the upper end intercommunication of shining case (1) grinds case (2), grind case (2) and rotate connecting cylinder (10), the outer wall cover of cylinder (10) is equipped with leather sheath (11), shine both sides inner wall fixedly connected with spout (14) of case (1), spout (14) sliding connection traveller (22), traveller (22) fixed connection screen cloth (13), terminal surface fixed connection rack (15) under the both sides of screen cloth (13), the lower extreme meshing sector (16) and sector two (19) of rack (15), shine inner wall fixed connection pivot (17) of case (1), pivot (17) are rotated and are connected sector (16) and sector two (19), shine outer wall fixed motor two (9) of case (1), the output shaft of motor two (9) link up and shine case (1), output shaft fixed connection carousel (20) of motor two (9), the position fixed connection bull stick (18) of the centre of a circle is kept away from in carousel (20), the right-hand member sliding connection of bull stick (18) is in spacing collar (21).

2. The coal screening apparatus of claim 1, wherein: the upper end of the grinding box (2) is communicated with the feed inlet (3), and the feed inlet (3) is wide at the top and narrow at the bottom.

3. The coal screening apparatus of claim 1, wherein: a discharge port (4) is formed in the left end of the drying box, and the left end of the discharge port (4) is inclined downwards.

4. The coal screening apparatus of claim 1, wherein: the outer wall of the leather sheath (11) is provided with convex teeth (12), and the leather sheath (11) and the convex teeth (12) are made of rubber.

5. The coal screening apparatus of claim 1, wherein: the upper end of the sector (16) is a long rod with an incomplete gear shape and a hollowed lower end as a center, and the hollowed position is connected with the rotating rod (18) in a sliding way.

6. The coal screening apparatus of claim 1, wherein: the front end and the rear end of the screen (13) and the inner walls of the front end and the rear end of the drying box (1) are spaced.