CN218778416U

CN218778416U - Conveying mechanism capable of reducing raised dust

Info

Publication number: CN218778416U
Application number: CN202222567863.XU
Authority: CN
Inventors: 高武鹏; 王鑫; 付建文
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-03-31
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to a conveyer technical field specifically is a conveying mechanism of reducible raise dust, including the conveyer frame and be located the inside conveyer belt of conveyer frame, the top of conveyer frame is equipped with the protection casing, and the roof of protection casing runs through and is provided with into the hopper, and the interior top surface of protection casing is equipped with the dust extraction case, and the top surface of protection casing is equipped with the air exhauster that is used for producing the negative pressure in the dust extraction incasement side, and the inside middle section of dust extraction case is equipped with the filter screen, and the through-hole has still been seted up to the lateral wall of dust extraction case and the below that is located the filter screen. The utility model discloses a protection casing inboard has the dust extraction case, and the dust extraction case has the effect of absorbing coal charge surface coal ash, consequently helps improving the cleanliness on coal charge surface, and then helps improving the air quality around the conveyer.

Description

Conveying mechanism capable of reducing raised dust

Technical Field

The utility model relates to a conveyer technical field specifically is a conveying mechanism of reducible raise dust.

Background

During coal mining and processing, coal needs to be conveyed into a mill for grinding to obtain small-particle coal slag. In the prior art, the transportation of coal material is carried out through the conveyer, and traditional coal material conveyer is mostly belt conveyor, and it has advantages such as simple structure and low in cost, consequently uses very extensively. The existing coal material is generally in a block structure, but a lot of coal ash is adhered to the block coal material, and the coal ash on the coal material is easily eaten into the air by wind in the process of conveying the coal material by using a conveyor, so that the air around the conveyor contains a lot of coal ash, namely the air quality is very bad, and therefore, the inconvenience is brought to the normal work and life of workers. Therefore, we propose a conveying mechanism capable of reducing the dust emission to solve the above disadvantages well.

SUMMERY OF THE UTILITY MODEL

The utility model provides a conveying mechanism of reducible raise dust to solve the problem among the prior art.

The utility model provides a technical problem adopt following technical scheme to realize:

the utility model provides a conveying mechanism of reducible raise dust, includes the conveyer frame and is located the inside conveyer belt of conveyer frame, the top of conveyer frame is equipped with the protection casing, the roof of protection casing runs through and is provided with into the hopper, the interior top surface of protection casing is equipped with the case of taking out dust, the top surface of protection casing is equipped with the air exhauster that is used for producing the negative pressure in the case inboard of taking out dust, the inside middle section of case of taking out dust is equipped with the filter screen, the lateral wall of case of taking out dust and the below that is located the filter screen have still seted up the through-hole.

Optionally, the inside of dust extraction case and the below that is located the filter screen are equipped with deashing portion, the top of deashing portion with the lower surface butt of filter screen, still be provided with on the dust extraction case and be used for the drive deashing portion is reciprocating motion's drive assembly along the length direction of filter screen.

Optionally, the driving assembly includes a driving motor and a lead screw, the driving motor is fixedly mounted on the outer wall of the dust box, the lead screw is located on the inner side of the dust box and is in threaded connection with the dust cleaning portion, one end of the lead screw is rotatably connected with the inner wall of the dust box, and the other end of the lead screw is coaxially connected with the output shaft of the driving motor.

Optionally, the front and back both sides wall of dust extraction case all set up along the bar mouth that lead screw length direction distributes, the equal outstanding shaping in both sides wall has the slider around the deashing portion, two the slider runs through two respectively the bar mouth extends to the outside of dust extraction case, dust extraction case's outside still is provided with the harrow material portion that is the U style of calligraphy, the top both ends of harrow material portion respectively with two slider fixed connection.

Optionally, the air inlet end of the exhaust fan is connected with an exhaust pipe, and one end of the exhaust pipe, which is far away from the exhaust fan, penetrates through the inner side of the dust extraction box and is connected with a dust hood.

Optionally, a water inlet is formed in the side wall of the dust extraction box, a water outlet is formed in the bottom wall of the dust extraction box, and sealing plugs are inserted into the water inlet and the water outlet.

Optionally, a dust blocking portion which is distributed obliquely downwards is arranged on the inner wall of the dust extraction box and at the through hole, so that air passing through the through hole flows towards the bottom of the dust extraction box.

The utility model has the advantages that:

1. the inner side of the protective cover of the utility model is provided with the dust extraction box which has the function of absorbing coal ash on the surface of the coal material, thereby being beneficial to improving the cleanness of the surface of the coal material and further being beneficial to improving the air quality around the conveyor;

2. the utility model discloses in still be provided with deashing portion and be used for driving the drive assembly that deashing portion removed, consequently can also clear up the filter screen when absorbing coal ash, avoided causing the dust extraction efficiency to descend because of the filter screen blocks up.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a sectional view of the protective cover of the present invention;

FIG. 3 is an enlarged view corresponding to the point A in FIG. 2;

fig. 4 is a schematic view of the structure of the dust-collecting box of the present invention.

In the figure: 1. a conveyor frame; 2. a conveyor belt; 3. a protective cover; 4. feeding into a hopper; 5. a dust extraction box; 6. an exhaust fan; 7. filtering with a screen; 8. a dust removal part; 9. a through hole; 10. a drive motor; 11. a screw rod; 12. a strip-shaped opening; 13. a slider; 14. a material raking part; 15. an air exhaust pipe; 16. a dust hood; 17. a sealing plug; 18. a dust blocking part.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

Example (b): referring to fig. 1 to 4, a conveying mechanism capable of reducing raised dust includes a conveyor frame 1 and a conveyor belt 2 located inside the conveyor frame 1, a protective cover 3 is disposed on the top of the conveyor frame 1, the protective cover 3 is located on one side of an input end of the conveyor belt 2, a feed hopper 4 is disposed through a top wall of the protective cover 3, a dust extraction box 5 is disposed on an inner top surface of the protective cover 3, an exhaust fan 6 for generating negative pressure inside the dust extraction box 5 is disposed on a top surface of the protective cover 3, the dust extraction box 5 is of a cuboid hollow structure without a top, a filter screen 7 is disposed in a middle section of the dust extraction box 5, a dust cleaning portion 8 is disposed inside the dust extraction box 5 and below the filter screen 7, through holes 9 are further formed in a side wall of the dust extraction box 5 and below the filter screen 7, and the number of the through holes 9 forms a circle, as shown in fig. 4, a top of the dust cleaning portion 8 abuts against a lower surface of the filter screen 7; the dust box 5 is further provided with a driving assembly for driving the dust cleaning portion 8 to reciprocate along the length direction of the filter screen 7, specifically, the driving assembly comprises a driving motor 10 and a screw rod 11, the driving motor 10 is fixedly installed on the outer wall of the dust box 5, the screw rod 11 is located on the inner side of the dust box 5 and is in threaded connection with the dust cleaning portion 8, one end of the screw rod 11 is rotatably connected with the inner wall of the dust box 5, the other end of the screw rod 11 is coaxially connected with an output shaft of the driving motor 10, the driving motor 10 selects a servo motor with an output shaft capable of rotating forward and backward, therefore, the dust cleaning portion 8 can be driven to reciprocate along the length direction of the screw rod 11 through the driving motor 10, and therefore the coal ash attached to the filter screen 7 can be cleaned.

Further, the front side wall and the rear side wall of the dust extraction box 5 are both provided with a strip-shaped opening 12 distributed along the length direction of the screw rod 11, the front side wall and the rear side wall of the dust removal part 8 are both provided with a sliding block 13 in a protruding manner, the two sliding blocks 13 respectively penetrate through the two strip-shaped openings 12 and extend to the outer side of the dust extraction box 5, namely, the dust removal part 8 can slide along the strip-shaped openings 12, the outer part of the dust extraction box 5 is also provided with a U-shaped rake part 14, two ends of the top of the rake part 14 are respectively fixedly connected with the two sliding blocks 13, specifically, the bottom of the rake part 14 is positioned below the dust extraction box 5, and the top of the rake part 14 is fixedly connected with the sliding blocks 13 through bolts, so that the rake part 14 can synchronously move with the dust removal part 8, thereby pushing the coal materials accumulated on the conveying belt 2 flat, in addition, the rake part 14 is used for pushing the coal materials, and is also beneficial for the exhaust fan 6 to suck the coal ash mixed in the coal gaps into the dust extraction box 5; it should be noted that, in order to increase the stability of the ash removal portion 8 during movement, in another embodiment, two polish rods (not shown in the figure) are movably inserted into the ash removal portion 8, and are both distributed parallel to the screw rod 11, and both ends of each polish rod are respectively fixedly connected to the inner wall of the dust box 5.

Further, the air inlet end of the exhaust fan 6 is connected with an exhaust pipe 15, and one end of the exhaust pipe 15, which is far away from the exhaust fan 6, penetrates to the inner side of the dust extraction box 5 and is connected with a dust collection cover 16; in addition, a water inlet is formed in the side wall of the dust extraction box 5, a water outlet is formed in the bottom wall of the dust extraction box 5, and sealing plugs 17 are inserted into the water inlet and the water outlet, as shown in fig. 2, so that a certain amount of water can be injected into the dust extraction box 5 through the water inlet, and the water in the dust extraction box 5 can be discharged through the water outlet; the inner wall of the dust box 5 and the through hole 9 are further provided with dust blocking parts 18 which are distributed obliquely downwards, so that when outside air passes through the through hole 7 and enters the inside of the dust box 5, the air flows towards the bottom of the dust box 5, and then coal ash in the air is melted into water.

It should be noted that, since the air entering the dust box 5 contains a large amount of coal ash, the water at the bottom of the dust box 5 becomes turbid after the dust box is used for a period of time in this embodiment, and therefore, the water at the bottom of the dust box 5 needs to be replaced periodically.

To sum up, in the use process of the utility model, the coal material enters from the feeding hopper 4 and falls on the conveyer belt 2, the exhaust fan 6 generates negative pressure at the inner side of the dust extraction box 5 through the exhaust pipe 15 and the dust hood 16, so that the coal ash attached to the surface of the coal material is sucked into the dust extraction box 5 through the through hole 9; the air passing through the through hole 9 and entering the dust box 5 firstly impacts the dust blocking part 18 and then flows downwards in an inclined manner, at the moment, part of coal ash is directly dissolved into the water, and the rest air continues to flow upwards and passes through the filter screen 7 and is finally discharged from the air outlet end of the exhaust fan 6; the driving component is used for driving the ash cleaning part 8 to do reciprocating motion back and forth along the filter screen 7, so that the ash attached to the filter screen 7 is cleaned, and the ash falls into water.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a conveying mechanism of reducible raise dust, includes conveyer frame (1) and is located conveyer belt (2) of conveyer frame (1) inside, the top of conveyer frame (1) is equipped with protection casing (3), the roof of protection casing (3) runs through and is provided with into hopper (4), its characterized in that:

the interior top surface of protection casing (3) is equipped with dust extraction case (5), the top surface of protection casing (3) is equipped with air exhauster (6) that are used for producing the negative pressure in dust extraction case (5) inboard, the inside middle section of dust extraction case (5) is equipped with filter screen (7), through-hole (9) have still been seted up to the lateral wall of dust extraction case (5) and the below that is located filter screen (7).

2. A conveying mechanism capable of reducing dust emission according to claim 1, wherein: the dust extraction box is characterized in that an ash removal portion (8) is arranged inside the dust extraction box (5) and below the filter screen (7), the top of the ash removal portion (8) is abutted to the lower surface of the filter screen (7), and a driving assembly used for driving the ash removal portion (8) to do reciprocating motion along the length direction of the filter screen (7) is further arranged on the dust extraction box (5).

3. A conveying mechanism capable of reducing dust emission according to claim 2, wherein: drive assembly includes driving motor (10) and lead screw (11), driving motor (10) fixed mounting be in the outer wall of dust extraction case (5), lead screw (11) be located dust extraction case (5) the inboard and with deashing portion (8) threaded connection, the one end of lead screw (11) with the inner wall of dust extraction case (5) rotates to be connected, the other end of lead screw (11) with the output shaft coaxial coupling of driving motor (10).

4. A conveying mechanism capable of reducing dust emission according to claim 3, wherein: strip-shaped openings (12) distributed along the length direction of a screw rod (11) are formed in the front side wall and the rear side wall of the dust extraction box (5), sliding blocks (13) are formed in the front side wall and the rear side wall of the dust removal portion (8) in a protruding mode, the sliding blocks (13) penetrate through the strip-shaped openings (12) and extend to the outer side of the dust extraction box (5), a U-shaped rake material portion (14) is further arranged outside the dust extraction box (5), and two ends of the top of the rake material portion (14) are fixedly connected with the sliding blocks (13).

5. A conveying mechanism capable of reducing dust emission according to claim 1, wherein: the air inlet end of the exhaust fan (6) is connected with an exhaust pipe (15), and one end, far away from the exhaust fan (6), of the exhaust pipe (15) penetrates through the inner side of the dust extraction box (5) and is connected with a dust collection cover (16).

6. A conveying mechanism capable of reducing dust emission according to claim 1, wherein: the side wall of the dust extraction box (5) is provided with a water inlet, the bottom wall of the dust extraction box (5) is provided with a water outlet, and the water inlet and the water outlet are internally and respectively spliced with a sealing plug (17).

7. A conveying mechanism capable of reducing raise dust according to claim 6, characterized in that: and dust blocking parts (18) which are distributed obliquely downwards are arranged on the inner wall of the dust extraction box (5) and are positioned at the through hole (9), so that air passing through the through hole (9) flows to the bottom of the dust extraction box (5).