CN219442404U - Mineral sieving mechanism - Google Patents

Abstract

The utility model belongs to the technical field of mining devices, and particularly relates to a mineral screening device, which comprises a feeding transmission cylinder, wherein a feed inlet is formed in one side of the feeding transmission cylinder, a screening cylinder assembly is fixedly connected to one side of the feeding transmission cylinder, which is far away from the feed inlet, the screening cylinder assembly is obliquely downwards arranged towards one side, which is far away from the feeding transmission cylinder, and a spray pipe is arranged on the upper sides of the feed inlet and the inner side of the screening cylinder assembly. The beneficial effects are as follows: through the structure, the coal block surface can be flushed through the spray water in the process of screening the coal block, so that the coal block is cleaned with surface coal dust in a grading screening mode, the spontaneous combustion risk and the cooling pressure of the coal dust in the subsequent conveying process are avoided, and the dust is prevented from being caused to pollute the environment in the discharging process due to excessive coal dust.

Description

Mineral sieving mechanism

Technical Field

The utility model belongs to the technical field of mining devices, and particularly relates to a mineral screening device.

Background

After the coal is mined and cleaned, the coal blocks with different sizes are required to be separated by using a grading screening device, but a large amount of coal dust can be generated in the process of coal processing and transportation, the existing grading screening device cannot effectively remove the coal dust attached to the coal blocks, so that more coal dust can be mixed in the process of subsequent transportation, the coal dust is more easily rubbed and combusted, more water is required to be consumed in the process of transportation to dissipate heat of the coal, so that the risk of spontaneous combustion is reduced, and in addition, the attached coal dust is easy to lift in the process of unloading the coal, and the air environment is polluted.

Disclosure of Invention

In view of the above problems, an object of the present utility model is to: the utility model provides a mineral sieving mechanism solves current hierarchical sieving mechanism and can't clear away the buggy that adheres to at the coal piece effectively to at the in-process that the follow-up transfer was transported, the coal piece can mix more buggy, and the buggy is more easily burnt by friction, need consume more water in the in-process of transportation and dispel the heat to the coal, so that reduce the risk of spontaneous combustion, the buggy that adheres to in addition is easily raised at the in-process of unloading coal, polluted air environment's problem.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the mineral screening device comprises a feeding transmission cylinder, a feeding port is formed in one side of the feeding transmission cylinder, a screening cylinder component is fixedly connected to one side, far away from the feeding port, of the feeding transmission cylinder, the screening cylinder component is obliquely downwards arranged towards one side, far away from the feeding transmission cylinder, a spray pipe is arranged on the upper side of the inner side of the feeding port and the screening cylinder component, one end of the spray pipe is a water inlet, the other end of the spray pipe is sealed, a spray header is arranged at the equal distance between the spray pipe and the inner side of the screening cylinder component, connecting frames are fixedly connected to the upper sides of the two ends of the spray pipe, fixing frames are fixedly connected to the outer sides of the feeding transmission cylinder and the screening cylinder component respectively, side plate seats are fixedly connected to the lower ends of the fixing frames, a running water plate is fixedly connected between the side plate seats, the side plate seat and the running water plate are both parallel to the screening cylinder assembly, the lower side of the side plate seat is fixedly connected with a supporting frame, one side of the running water plate, which is close to the feeding transmission cylinder, is fixedly connected with a driving motor, one side of the driving motor, which is close to the screening cylinder assembly, is rotationally connected with a transmission ring through a motor shaft, the outer side of the feeding transmission cylinder is fixedly connected with a linkage ring corresponding to the position of the transmission ring, a transmission belt is connected between the transmission ring and the linkage ring, the two sides of the lower side of the screening cylinder assembly are symmetrically provided with a first supporting roller and a second supporting roller, the lower sides of the first supporting roller and the second supporting roller are fixedly connected with the side plate seat, one side, which is far away from a charging port, of the screening cylinder assembly is provided with an opening, the screening cylinder assembly comprises an outer layer filtering cylinder, a middle layer screening cylinder, an inner layer screening cylinder and a fixed block, the outer layer screening cylinder are fixedly connected with the feeding transmission cylinder, the inner diameter of the inner layer screen cylinder is the same as the size of the feed inlet, big sieve pores are evenly formed in the inner side of the inner layer screen cylinder, the middle layer screen cylinder is arranged on the outer side of the inner layer screen cylinder, gaps are formed between the middle layer screen cylinder and the inner layer screen cylinder, small sieve pores are evenly formed in the inner side of the middle layer screen cylinder, the outer layer filter cylinder is arranged on the outer side of the inner layer screen cylinder, filtering holes are evenly formed in the inner side of the outer layer filter cylinder, the middle layer screen cylinder and the inner layer screen cylinder are equal in length and coaxial, the outer layer filter cylinder, the middle layer screen cylinder and the inner layer screen cylinder are fixedly connected through a fixed block, a first discharging plate, a second discharging plate and a third discharging plate are sequentially arranged at one end, far away from the feed inlet, of the first discharging plate is arranged on the lower side of the inner layer screen cylinder, the second discharging plate is arranged on the lower side of the middle layer screen cylinder, the third discharging plate is arranged on the lower side of the outer layer screen cylinder, the lengths of the first discharging plate, the second discharging plate and the third discharging plate are sequentially decreased in length, and the first discharging plate, the second discharging plate and the third discharging plate are fixedly connected with vertical rods.

The beneficial effects of the utility model are as follows: through the structure, the coal block surface can be flushed through the spray water in the process of screening the coal block, so that the coal block is cleaned with surface coal dust in a grading screening mode, the spontaneous combustion risk and the cooling pressure of the coal dust in the subsequent conveying process are avoided, and the dust is prevented from being caused to pollute the environment in the discharging process due to excessive coal dust.

In order to facilitate the collection and treatment of the pulverized coal mixed water;

as a further improvement of the above technical scheme: the downside of flowing water board is provided with the collecting vat, one side that the collecting vat kept away from the material loading transmission section of thick bamboo is provided with the filtering ponds, the filtering ponds sets up the one end downside that the flowing water board kept away from driving motor.

The beneficial effects of this improvement are: the collecting tank can collect the pulverized coal mixed water so as to facilitate the subsequent treatment.

For simple filtration of coal fines;

as a further improvement of the above technical scheme: the filter plate is arranged between the collecting tank and the filtering tank, and the inner bottom surfaces of the collecting tank and the filtering tank are smoothly connected and obliquely arranged downwards to one side of the collecting tank.

The beneficial effects of this improvement are: the pulverized coal is insoluble in water, and through the structure, the pulverized coal mixed water can be subjected to preliminary filtration, part of pulverized coal can be recovered in advance, and in addition, the subsequent pulverized coal separation pressure can be reduced.

To limit the sliding of the screen cylinder assembly;

as a further improvement of the above technical scheme: and the middle part of the first supporting roller is provided with a limiting ring groove, the outer side of the screening cylinder assembly is fixedly connected with a limiting ring corresponding to the limiting ring groove, and the limiting ring is clamped with the limiting ring groove.

The beneficial effects of this improvement are: the limiting ring groove and the limiting ring in the middle of the first supporting roller are clamped and connected to limit the screening cylinder assembly to slide downwards.

To facilitate collection and transport of coal;

as a further improvement of the above technical scheme: the one end downside that first flitch, second flitch and third flitch kept away from the material loading transmission section of thick bamboo is provided with the separation groove, the separation inslot side is provided with the baffle, the charging hole has been seted up to one side of separation groove.

The beneficial effects of this improvement are: the method is convenient for classifying and collecting the coal blocks after screening and cleaning, and transferring the coal blocks, thereby playing a role of buffering.

None of the parts of the device are the same as or can be implemented using prior art.

Drawings

FIG. 1 is a first schematic diagram of the present utility model;

FIG. 2 is a second schematic diagram of the present utility model;

FIG. 3 is a cross-sectional view of a split screen cartridge assembly of the present utility model;

FIG. 4 is a cross-sectional view showing the connection structure of the collecting tank and the filtering tank in the present utility model;

in the figure: 1. a feeding transmission cylinder; 2. a feed inlet; 3. a screening cylinder assembly; 31. an outer layer filter cartridge; 32. a middle layer screen drum; 33. an inner layer screen drum; 34. a fixed block; 4. a shower pipe; 5. a connecting frame; 6. a fixing frame; 7. a side plate seat; 8. a running water plate; 9. a driving motor; 10. a support frame; 11. a collecting tank; 12. a filtering tank; 13. a sorting tank; 14. a first discharge plate; 15. a second discharge plate; 16. a third discharge plate; 17. a confinement ring; 18. a first backup roll; 19. and a second support roller.

Detailed Description

In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.

As shown in fig. 1-4: the mineral screening device comprises a feeding transmission cylinder 1, a feeding port 2 is arranged on one side of the feeding transmission cylinder 1, a screening cylinder component 3 is fixedly connected to one side, far away from the feeding port 2, of the feeding transmission cylinder 1, the screening cylinder component 3 is obliquely downwards arranged on one side, far away from the feeding transmission cylinder 1, a spray pipe 4 is arranged on the upper side of the inner side of the feeding port 2 and the screening cylinder component 3, one end of the spray pipe 4 is a water inlet, the other end of the spray pipe 4 is closed, spray heads are arranged on the spray pipe 4 and the inner side of the screening cylinder component 3 at equal intervals, connecting frames 5 are fixedly connected to the upper sides of two ends of the spray pipe 4, fixing frames 6 are fixedly connected with fixing frames 6 respectively, the fixing frames 6 are fixedly connected with side plate seats 7 on the outer sides of the feeding transmission cylinder 1 and the screening cylinder component 3 respectively, the side plate seat 7 is fixedly connected with a water flowing plate 8, the side plate seat 7 and the water flowing plate 8 are both parallel to the screening cylinder assembly 3, the lower side of the side plate seat 7 is fixedly connected with a supporting frame 10, one side of the water flowing plate 8, which is close to the feeding transmission cylinder 1, is fixedly connected with a driving motor 9, one side of the driving motor 9, which is close to the screening cylinder assembly 3, is rotationally connected with a transmission ring through a motor shaft, the outer side of the feeding transmission cylinder 1 is fixedly connected with a linkage ring corresponding to the position of the transmission ring, a transmission belt is connected between the transmission ring and the linkage ring, both sides of the lower side of the screening cylinder assembly 3 are symmetrically provided with a first supporting roller 18 and a second supporting roller 19, the lower sides of the first supporting roller 18 and the second supporting roller 19 are both fixedly connected with the side plate seat 7, one side of the screening cylinder assembly 3, which is far away from the feeding port 2, is an opening, the screening cylinder component 3 comprises an outer layer screening cylinder 31, a middle layer screening cylinder 32, an inner layer screening cylinder 33 and a fixed block 34, wherein the outer layer screening cylinder 31, the middle layer screening cylinder 32 and the inner layer screening cylinder 33 are fixedly connected with the feeding transmission cylinder 1, the inner diameter of the inner layer screening cylinder 33 is the same as the size of the feeding port 2, large screen holes are uniformly formed in the inner side of the inner layer screening cylinder 33, the middle layer screening cylinder 32 is arranged on the outer side of the inner layer screening cylinder 33, gaps are reserved between the middle layer screening cylinder 32 and the inner layer screening cylinder 33, small screen holes are uniformly formed in the inner side of the middle layer screening cylinder 32, the outer layer screening cylinder 31 is arranged on the outer side of the inner layer screening cylinder 33, filtering holes are uniformly formed in the inner side of the outer layer screening cylinder 31, the middle layer screening cylinder 32 and the inner layer screening cylinder 33, the outer layer screening cylinder 31 are equal in length and coaxial, the outer layer screening cylinder 31, the middle layer screening cylinder 32 and the inner layer screening cylinder 33 are fixedly connected through the fixed block 34, the first discharging plate 14, the second discharging plate 15 and the third discharging plate 16 are sequentially arranged at one end of the screening cylinder assembly 3 far away from the charging hole 2, the first discharging plate 14 is arranged at the lower side of the inner layer screening cylinder 33, the second discharging plate 15 is arranged at the lower side of the middle layer screening cylinder 32, the third discharging plate 16 is arranged at the lower side of the outer layer filtering cylinder 31, the lengths of the first discharging plate 14, the second discharging plate 15 and the third discharging plate 16 are sequentially decreased, the two sides of the first discharging plate 14, the second discharging plate 15 and the third discharging plate 16 are fixedly connected with the vertical rods, through the structure, the coal blocks can be washed on the surfaces through spray water in the process of screening the coal blocks, the coal blocks are rapidly cleaned up to avoid the spontaneous combustion risk and the cooling pressure of the coal blocks in the subsequent transportation process, the coal blocks are prevented from being polluted by dust in the discharging process, the downside of running water board 8 is provided with collecting tank 11, one side that feeding transmission section of thick bamboo 1 was kept away from to collecting tank 11 is provided with filtering ponds 12, filtering ponds 12 set up the one end downside that driving motor 9 was kept away from at running water board 8, and the collecting tank can collect buggy mixed water and be convenient for follow-up processing, be provided with the filter between collecting tank 11 and the filtering ponds 12, the inboard bottom surface smooth joint of collecting tank 11 and filtering ponds 12 just sets up downwards to one side slope of collecting tank 11, and buggy is insoluble in water, through above-mentioned structure, can carry out preliminary filtration to buggy mixed water, can retrieve partial buggy in advance, can reduce follow-up buggy separation pressure in addition, limit ring groove 17 has been seted up to the part of first backing roll 18, limit ring groove fixedly connected with in the outside of partial buggy cartridge assembly 3, limit ring groove 17 and limit ring groove joint in the part of first backing roll 18 can restrict partial buggy cartridge assembly 3 gliding, first discharging plate 14, second discharging plate 15 and third discharging plate 16 are provided with one side that keeps away from 1, and are provided with one side of the separation groove 13 is kept away from to the transmission section of thick bamboo, and are provided with the separation groove 13 and are convenient for carry out the separation.

The working principle and the using flow of the utility model are as follows:

when in use, the driving motor 9 is started, the driving motor 9 drives the transmission ring to rotate, the transmission ring drives the linkage ring to rotate through the transmission belt, the linkage ring drives the feeding transmission cylinder 1 to rotate, the feeding transmission cylinder 1 drives the screening cylinder assembly 3 to rotate, the first supporting roller 18 and the second supporting roller 19 at the lower side of the screening cylinder assembly 3 rotate along with the screening cylinder assembly 3 and provide support for the screening cylinder assembly 3, the limiting ring groove in the middle of the first supporting roller 18 is clamped with the limiting ring 17 to limit the screening cylinder assembly 3 to slide downwards, at the moment, the water source is communicated through the water inlet of the spray pipe 4, the water source is sprayed out from the spray head after entering the spray pipe 4, the feeding transmission cylinder 1 is filled through the charging port 2, the feeding equipment can be manually or additionally arranged, the coal enters the screening cylinder assembly 3 along with the screening cylinder assembly 3 through the feeding transmission cylinder 1 and slides downwards in the process, coal is screened by large screen holes of an inner screen cylinder 33 and small screen holes of an intermediate screen cylinder 32, the coal is divided into three layers with different sizes, the coal slides down in the outer screen cylinder 31, the intermediate screen cylinder 32 and the inner screen cylinder 33 respectively, meanwhile, water of a spray header can continuously wash coal blocks, not only can promote the coal blocks to slide down, but also can wash coal dust on the surfaces of the coal blocks, the coal is filtered layer by layer, finally falls onto a running water plate 8 through a filtering hole of the outer screen cylinder 31, then flows down into a filtering tank 12 from the running water plate 8, after partial fine slag is separated by the filtering tank 12, the coal dust mixed water enters a collecting tank 11 to be collected, meanwhile, the coal slides down in the outer screen cylinder 31, the intermediate screen cylinder 32 and the inner screen cylinder 33 respectively, then flows out through a first discharging plate 14, a second discharging plate 15 and a third discharging plate 16 respectively, slides down in different partition intervals in a separating tank 13, and finally, transferring the coal blocks with different sizes through the charging port. Through the structure, the coal block surface can be flushed through the spray water in the process of screening the coal block, so that the coal block is cleaned with surface coal dust in a grading screening mode, the spontaneous combustion risk and the cooling pressure of the coal dust in the subsequent conveying process are avoided, and the dust is prevented from being caused to pollute the environment in the discharging process due to excessive coal dust.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely illustrative of the preferred embodiments of the utility model, and it is noted that there is virtually no limit to the specific structure which may be imposed by those skilled in the art without departing from the spirit of the utility model, and that modifications, adaptations, or variations of the foregoing features may be combined in a suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.

Claims (5)

1. A mineral screening device, characterized in that: including material loading transmission section of thick bamboo (1), charge door (2) have been seted up to one side of material loading transmission section of thick bamboo (1), one side fixedly connected with branch screen drum subassembly (3) of charge door (2) are kept away from to material loading transmission section of thick bamboo (1), divide screen drum subassembly (3) to keeping away from one side slope downward setting of material loading transmission section of thick bamboo (1), the inboard upside of charge door (2) and branch screen drum subassembly (3) is provided with shower (4), the one end of shower (4) is the water inlet, the other end of shower (4) is sealed, shower (4) and the inboard part equidistance of branch screen drum subassembly (3) are provided with the shower head, the equal fixedly connected with link (5) of both ends upside of shower (4), the equal fixedly connected with mount (6) of upper end of link (5), mount (6) set up respectively in the outside of last material loading transmission section of thick bamboo (1) and branch screen drum subassembly (3), the equal fixedly connected with curb plate (7) of lower extreme of mount (6), be connected with curb plate (7) and horizontal line seat (7) are located between curb plate (7) and horizontal line seat (7) and horizontal seat (8), one side of the running water plate (8) close to the feeding transmission cylinder (1) is fixedly connected with a driving motor (9), one side of the driving motor (9) close to the screening cylinder assembly (3) is rotationally connected with a transmission ring through a motor shaft, the outer side of the feeding transmission cylinder (1) is fixedly connected with a linkage ring corresponding to the position of the transmission ring, a transmission belt is connected between the transmission ring and the linkage ring, both sides of the lower side of the screening cylinder assembly (3) are symmetrically provided with a first supporting roller (18) and a second supporting roller (19), the lower sides of the first supporting roller (18) and the second supporting roller (19) are fixedly connected with a side plate seat (7), one side of the screening cylinder assembly (3) far away from a feed inlet (2) is provided with an opening, the screening cylinder assembly (3) comprises an outer layer screening cylinder (31), a middle layer screening cylinder (32), an inner layer screening cylinder (33) and a fixed block (34), both sides of the outer layer screening cylinder (32) and the inner layer screening cylinder (33) are symmetrically provided with a first supporting roller (18) and a second supporting roller (19), the inner layer screening cylinder (33) is fixedly connected with the feeding cylinder (33) and the inner layer screening cylinder (33) is provided with a large gap (33), the inner layer screening cylinder (33) is provided with a large gap, the inner layer screening cylinder (33 is provided with a large gap (33), the utility model discloses a filter screen, including middle layer screen drum (32), outer filter cartridge (31), inner layer screen drum (33), outer filter cartridge (31), middle layer screen drum (32) and inner layer screen drum (33) are equal in length and coaxial, pass through fixed block (34) fixed connection between outer filter cartridge (31), middle layer screen drum (32) and the inner layer screen drum (33), the one end that feed inlet (2) was kept away from to branch screen drum subassembly (3) has set gradually first flitch (14), second flitch (15) and third flitch (16), first flitch (14) set up in inner layer screen drum (33) downside, second flitch (15) set up in middle layer screen drum (32) downside, third flitch (16) set up in outer layer screen drum (31) downside, first flitch (14), second flitch (15) and third flitch (16) are gone out through fixed connection in proper order to first flitch (14), second flitch (14) and third flitch (16) are all connected with both sides.

2. A mineral screening apparatus according to claim 1, wherein: the lower side of flowing water board (8) is provided with collecting tank (11), one side that material loading transmission section of thick bamboo (1) was kept away from to collecting tank (11) is provided with filtering ponds (12), filtering ponds (12) set up in one end downside that flowing water board (8) kept away from driving motor (9).

3. A mineral screening apparatus according to claim 2, wherein: a filter plate is arranged between the collecting tank (11) and the filtering tank (12), and the inner bottom surfaces of the collecting tank (11) and the filtering tank (12) are smoothly connected and obliquely downwards arranged to one side of the collecting tank (11).

4. A mineral screening apparatus according to claim 1, wherein: the middle part of first backing roll (18) has seted up the restriction annular, divide the outside of screen cylinder subassembly (3) to correspond restriction annular fixedly connected with restriction ring (17), restriction ring (17) and restriction annular joint.

5. A mineral screening apparatus according to claim 1, wherein: the feeding device is characterized in that a sorting groove (13) is formed in the lower side of one end, far away from the feeding transmission cylinder (1), of the first discharging plate (14), the second discharging plate (15) and the third discharging plate (16), a partition plate is arranged on the inner side of the sorting groove (13), and a charging port is formed in one side of the sorting groove (13).