CN217996128U - Dust collector for coal conveying system - Google Patents

Abstract

The utility model relates to the technical field of dust removal devices, in particular to a dust removal device for a coal conveying system, which includes an exhaust assembly, which includes a coal conveyer, an air collecting hood, an air guide pipe, a negative pressure fan, and an air exhaust pipe. The air hood is arranged on the top surface of the coal conveyor, the air guide pipe is fixedly plugged into the top surface of the air collection hood, the exhaust pipe is fixedly connected to the end of the air guide pipe away from the air collection hood, and the negative pressure fan Set inside the exhaust pipe; the dust removal assembly includes a filter screen, a rotating rod, a cleaning plate, a through hole, a spray plate, a water supply pipe, a dust box and a dust collection box, and the filter screen is set inside the air duct , the rotating rod is rotatably connected to the side of the filter screen. The utility model drives the rotary rod and the cleaning plate to rotate through the negative pressure fan, and the dust attached to the surface of the filter screen can be easily scraped and swept off by the cleaning plate, so as to reduce the possibility of continuous accumulation of dust and blockage of the filter screen, and further promote the negative pressure fan to be able to Continuously inhale dust into the air duct for dust reduction treatment.

Description

A kind of dust removal device for coal conveying system

technical field

The utility model relates to the technical field of dust removal devices, in particular to a dust removal device for a coal conveying system.

Background technique

Due to the large drop between the high-width screen and the coal drop pipe of the fine crusher during coal mine transportation, and the positive pressure generated when the fine crusher is running, it is easy to cause dust. Therefore, it is necessary to use a negative pressure dust exhaust fan to clean the tail of the conveyor belt The air is replaced, thereby exhausting the dust-laden air to the outside.

Some existing negative pressure dust exhaust fans use filter plates to filter the dust inside the exhaust pipes, so as to reduce the impact on the outdoor environment after the dust is discharged outdoors. However, after long-term use of the filter plates, more dust is easy to adhere to the surface , so it is easy to cause the filter plate to be blocked, and then it is easy to reduce the suction force of the negative pressure dust exhaust fan on the dust, so it is difficult for the negative pressure dust exhaust fan to continuously suck the dust into the exhaust pipe.

Utility model content

The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section, as well as in the abstract of the specification and the title of the utility model of this application, to avoid obscuring the purpose of this section, the abstract of the specification, and the title of the utility model, and such simplifications or omissions cannot be used to limit the utility model range.

In view of the above and/or the problems existing in a dust removal device for a coal conveying system, the utility model is proposed.

Therefore, the problem to be solved by the utility model is how to provide a dust removal device for a coal conveying system.

In order to solve the above technical problems, the utility model provides the following technical solutions: a dust removal device for coal conveying system, comprising:

The exhaust assembly includes a coal conveyor, an air collection hood, an air guide pipe, a negative pressure fan, and an exhaust pipe. On the top surface of the wind hood, the exhaust pipe is fixedly connected to the end of the air guide pipe away from the wind collecting hood, and the negative pressure fan is arranged inside the exhaust pipe.

The dust removal assembly includes a filter screen, a rotating rod, a cleaning plate, a through hole, a spray plate, a water supply pipe, a dust drop box and a dust collecting box. The filter screen is arranged inside the air duct, and the rotating rod is connected to the On the side of the filter screen, one end of the rotating rod is fixedly connected to the rotating shaft of the negative pressure fan, the cleaning plate is fixedly connected to the other end of the rotating rod, the side of the cleaning plate is slidingly connected to the side of the filter screen, and the cleaning The side of the plate is slidingly connected with the inner wall of the air guide pipe, the through hole is opened on the side of the air guide pipe, the spray plate is arranged on the outside of the air guide pipe, and the lower end of the spray plate is movable with the inner wall of the through hole Plugging, the water supply pipe is fixedly plugged on the top surface of the spray plate, the dust box is fixedly plugged on the side of the air guide pipe, and the dust collection box is movably plugged on the side of the dust box.

Based on the above technical features, the dust generated by the coal conveyor is easily sucked into the air guide pipe through the air collecting hood through the negative pressure fan, and then the dust is sprayed with water mist through the spray plate to reduce the dust, and the dust is filtered through the filter screen. The purified air is discharged to the outside through the exhaust pipe.

As a preferred solution of the dust removal device for the coal conveying system described in the present invention, wherein: the negative pressure fan is on the right side of the filter screen.

Based on the above technical features, the dust is filtered through the filter, thereby reducing the possibility of dust continuously adhering to the surface of the wind pressure fan.

As a preferred solution of the dust removal device for the coal conveying system described in the present invention, the cleaning plate is composed of two brush plates, and the shape of the cleaning plate is L-shaped.

Based on the above technical features, the cleaning plate facilitates simultaneous sweeping of the dust attached to the filter screen and the air duct.

As a preferred solution of the dust removal device for the coal conveying system described in the present invention, the number of the cleaning plates is three, and the three cleaning plates are equidistantly distributed on the side of the rotating rod in a straight line.

Based on the above-mentioned technical features, the cooperation of the three cleaning plates facilitates increasing the cleaning effect of the filter screen and the air duct.

As a preferred solution of the dust removal device for the coal conveying system described in the present invention, a bearing is fixedly sleeved on the side of the rotating rod, and the bearing is fixedly inserted into the side of the filter screen.

Based on the above technical features, it is convenient to increase the rotation stability of the rotating rod through the bearing.

As a preferred solution of the dust removal device for the coal conveying system described in the present invention, the number of the through holes is several, and the several through holes are equidistantly distributed on the side of the air guide pipe in a straight line.

Based on the above-mentioned technical features, it is convenient to spray water mist into the inside of the air duct through the through hole, and the dust is dedusted by the water mist.

As a preferred solution of the dust removal device for the coal conveying system described in the present invention, the spray plate is composed of a hollow plate and several spray heads, and the number of the spray heads is the same as the number of the through holes.

Based on the above-mentioned technical features, the water transported by the water supply pipe is facilitated to be transported to the interior of several nozzles through the hollow plate, and then the water is sprayed into the interior of the air guide pipe through the nozzles.

As a preferred solution of the dust removal device for the coal conveying system described in the present invention, the dust drop box is on the lower side of the filter screen, and the spray plate is on the upper side of the filter screen.

Based on the above-mentioned technical features, it is convenient to collect the dust scraped by the cleaning plate through the dust drop box, and it is convenient to carry out dust reduction treatment on the dust by spraying water mist through the spray plate.

As a preferred solution of the dust removal device for the coal conveying system described in the present invention, water is stored in the inner wall of the dust collection box, and a pull ring is fixedly connected to the side of the dust collection box.

Based on the above technical features, it is convenient for the dust to be soaked by storing some water in the dust collection box, and it is convenient for the operator to extract the dust collection box from the dust drop box through the pull ring, and then it is convenient for the operator to clean the dust in the dust collection box .

As a preferred solution of the dust removal device for the coal conveying system described in the utility model, wherein: the wind collecting hood is located at the upper part of the tail end of the coal conveyor, and the wind collecting hood communicates with the air guide pipe.

Based on the above technical features, the dust generated at the tail end of the coal conveyor is conveniently transported to the inside of the air duct through the air collecting hood, and then the dust is dedusted by the dust removal component.

The beneficial effects of the utility model are as follows: 1. The rotating rod and the cleaning plate are driven to rotate by the negative pressure blower, and the dust attached to the surface of the filter screen can be easily scraped and swept off by the cleaning plate, so as to reduce the possibility of continuous accumulation of dust and blockage of the filter screen. In turn, the negative pressure fan can continuously suck the dust into the air duct for dust reduction treatment;

2. The dust generated by the coal conveyor is easily sucked into the air guide pipe through the air collecting hood through the negative pressure fan, and then the dust is sprayed with water mist through the spray plate to reduce the dust, and the dust is filtered through the filter screen, and the purified The air is discharged to the outside through the exhaust pipe, so as to reduce the impact of dust on the outdoor environment.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention , for those skilled in the art, other drawings can also be obtained according to these drawings on the premise of not paying creative labor. in:

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is a partial three-dimensional structure sectional view of the utility model;

Fig. 3 is a sectional view of a partial three-dimensional structure of the utility model.

In the accompanying drawings, the list of parts represented by each label is as follows:

100. Exhaust assembly; 101. Coal conveyor; 102. Air collecting hood; 103. Air duct; 104. Negative pressure fan; 105. Exhaust duct;

200, dust removal assembly; 201, filter screen; 202, rotating rod; 202a, bearing; 203, cleaning plate; 204, through hole; 205, spray plate; 206, water supply pipe; 207, dust box; 208, dust box ; 208a, pull ring.

detailed description

In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model will be described in detail below in conjunction with the accompanying drawings.

In the following description, a lot of specific details have been set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways that are different from those described here, and those skilled in the art can do so without violating the connotation of the utility model. Under the circumstances, similar promotion is done, so the utility model is not limited by the specific embodiments disclosed below.

Secondly, "one embodiment" or "embodiment" referred to herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. "In one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

Embodiment 1: As shown in Figures 1-3 of the accompanying drawings, a dust removal device for a coal conveying system includes an exhaust assembly 100, which includes a coal conveyer 101, an air collecting hood 102, an air guide pipe 103, and a negative pressure fan 104. Air exhaust pipe 105. The wind collecting hood 102 is arranged on the top surface of the coal conveyor 101, and the dust generated at the tail end of the coal conveyor 101 is facilitated to be transported to the inside of the air guiding pipe 103 through the wind collecting hood 102; The air duct 103 is fixedly inserted on the top surface of the air collecting hood 102, the exhaust duct 105 is fixedly connected to the end of the air guiding duct 103 away from the air collecting hood 102, and the negative pressure fan 104 is arranged inside the exhaust duct 105 The dust produced by the coal conveyor 101 is facilitated to be sucked into the air guide pipe 103 through the wind collecting hood 102 through the negative pressure blower 104 .

The dust removal assembly 200 includes a filter screen 201, a rotating rod 202, a cleaning plate 203, a through hole 204, a spray plate 205, a water supply pipe 206, a dust box 207 and a dust collection box 208, and the filter screen 201 is arranged on the air duct 103, the rotating rod 202 is rotatably connected to the side of the filter screen 201, one end of the rotating rod 202 is fixedly connected to the rotating shaft of the negative pressure fan 104, and the cleaning plate 203 is fixedly connected to the other end of the rotating rod 202 , the side of the cleaning plate 203 is slidably connected to the side of the filter screen 201, and the side of the cleaning plate 203 is slidably connected to the inner wall of the air duct 103, and the negative pressure fan 104 drives the rotary rod 202 and the cleaning plate 203 to rotate. The plate 203 is convenient to sweep off the dust attached to the surface of the filter screen 201 , thereby reducing the possibility of dust clogging the filter screen 201 .

The through hole 204 is opened on the side of the air guide pipe 103, the spray plate 205 is arranged on the outside of the air guide pipe 103, the lower end of the spray plate 205 is movably plugged into the inner wall of the through hole 204, and the negative pressure The fan 104 is convenient to suck the dust generated by the coal conveyor 101 into the inside of the air guide pipe 103 through the wind collecting hood 102, and then spray water mist through the spray plate 205 to carry out dust reduction treatment on the dust, and filter the dust through the filter screen 201, after purification The air is discharged to the outside through the exhaust pipe 105, so as to reduce the impact of dust on the outdoor environment.

The water supply pipe 206 is fixedly plugged on the top surface of the spray plate 205, and the water supply pipe 206 is convenient for water supply to the spray plate 205; The box 208 is movably inserted on the side of the dust drop box 207. When the dust falls into the dust drop box 207, it is convenient to collect the dust through the dust collection box 208. By extracting the dust collection box 208 from the dust drop box 207, it is easy to operate The staff cleans up the dust in the dust box 208.

Embodiment 2: As shown in Figure 2 and Figure 3 of the accompanying drawings, the difference from the previous embodiment is that the negative pressure fan 104 is on the right side of the filter screen 201, and the negative pressure fan 104 is arranged on the filter screen 201 The right side is convenient to filter the dust through the filter screen 201, thereby reducing the possibility of dust constantly adhering to the surface of the wind pressure fan.

The cleaning plate 203 is made up of two brush plates, the shape of the cleaning plate 203 is L-shaped, and the cleaning plate 203 is convenient to sweep the filter screen 201 and the air guide pipe 103 at the same time, so that the filter screen 201 and the guide tube 103 can be cleaned simultaneously. The dust attached on the air duct 103 is swept off.

The number of the cleaning plates 203 is three, and the three cleaning plates 203 are equidistantly distributed on the side of the rotating rod 202 in a straight line, and the cooperation of the three cleaning plates 203 is convenient to increase the cleaning effect of the filter screen 201 and the air duct 103 , so as to facilitate reducing the possibility that the filter screen 201 is blocked by dust.

The side of the rotating rod 202 is fixedly sleeved with a bearing 202a, and the bearing 202a is fixedly plugged into the side of the filter screen 201, and the rotation stability of the rotating rod 202 is facilitated through the bearing 202a, thereby driving the cleaning plate 203 through the rotating rod 202 The rotation is convenient for sweeping the filter screen 201 and the air guide pipe 103 .

Embodiment 3: As shown in Figure 2 and Figure 3 of the accompanying drawings, the difference from the first two embodiments is that the number of said through holes 204 is several, and several said through holes 204 are equidistantly distributed in a straight line. The side of the air duct 103 facilitates the spraying of water mist into the interior of the air duct 103 through the through hole 204, and performs dust reduction treatment on the dust through the water mist, thereby reducing the possibility of dust being discharged to the outside and causing pollution to the outdoor environment.

The spray plate 205 is composed of a hollow plate and several spray heads, the number of the spray heads is the same as the number of the through holes 204, through the hollow plate, the water transported by the water supply pipe 206 is conveniently transported to the interior of several spray heads, and then passed through the spray heads. Water is sprayed to the inside of the air duct 103, and then the dust is subjected to dust reduction treatment.

The dust drop box 207 is on the lower side of the filter screen 201, and the spray plate 205 is on the upper side of the filter screen 201. The dust falling off the cleaning plate 203 is conveniently collected through the dust drop box 207 and sprayed through the spray plate 205. The water mist is convenient for dust reduction treatment of dust.

The inner wall of the dust collection box 208 is stored with water, and the side of the dust collection box 208 is fixedly connected with a pull ring 208a. By storing some water in the dust collection box 208, it is convenient to soak the dust, thereby reducing the dust from falling from the dust box 207. The possibility of re-floating to the inside of the air duct 103 facilitates the operator to extract the dust box 208 from the dust box 207 through the pull ring 208a, thereby facilitating the operator to clean the dust in the dust box 208.

The wind collecting hood 102 is on the upper part of the tail end of the coal conveyor 101, and the wind collecting hood 102 communicates with the air guide pipe 103, and the dust generated at the tail end of the coal conveyor 101 is conveniently transported to the air guide pipe 103 through the wind collecting hood 102 Inside, the dust is dedusted by the dust removal assembly 200 .

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the spirit and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (10)

1. A dust removal device for a coal handling system, characterized in that: comprising, Exhaust assembly (100), which includes coal conveyor (101), wind collecting hood (102), air guide pipe (103), negative pressure fan (104), exhaust pipe (105), described wind collecting hood ( 102) It is arranged on the top surface of the coal conveyor (101), the air guide pipe (103) is fixedly inserted on the top surface of the wind collecting hood (102), and the air exhaust pipe (105) is fixedly connected to the air guide pipe (103) one end away from the wind collecting hood (102), the negative pressure fan (104) is arranged inside the exhaust pipe (105); The dust removal assembly (200), which includes a filter screen (201), a rotating rod (202), a cleaning plate (203), a through hole (204), a spray plate (205), a water supply pipe (206), and a dust box (207) With the dust collecting box (208), the filter screen (201) is arranged inside the air duct (103), and the rotating rod (202) is connected to the side of the filter screen (201) in rotation, and the rotating rod (202) ) is fixedly connected to the rotating shaft of the negative pressure fan (104), the cleaning plate (203) is fixedly connected to the other end of the rotating rod (202), and the side of the cleaning plate (203) is connected to the filter screen (201) The side of the cleaning plate (203) is slidingly connected with the inner wall of the air guide pipe (103), the through hole (204) is opened on the side of the air guide pipe (103), and the spray plate (205 ) is arranged on the outside of the air guide pipe (103), the lower end of the spray plate (205) is movably inserted into the inner wall of the through hole (204), and the water supply pipe (206) is fixedly inserted into the spray plate (205 ), the dust drop box (207) is fixedly plugged into the side of the air duct (103), and the dust collection box (208) is movably plugged into the side of the dust drop box (207). 2. The dust removal device for coal handling system according to claim 1, characterized in that: the negative pressure fan (104) is on the right side of the filter screen (201). 3. The dust removal device for coal handling system according to claim 2, characterized in that: the cleaning plate (203) is composed of two brush plates, and the shape of the cleaning plate (203) is L-shaped. 4. A dust removal device for a coal handling system according to claim 2 or 3, characterized in that: the number of the cleaning plates (203) is three, and the three cleaning plates (203) are equidistant in a straight line Distributed on the side of the rotating rod (202). 5. A dust removal device for a coal handling system according to claim 4, characterized in that: the side of the rotating rod (202) is fixedly sleeved with a bearing (202a), and the bearing (202a) is fixedly inserted into the The side of strainer (201). 6. A dust removal device for a coal handling system as claimed in claim 5, characterized in that: the number of said through holes (204) is several, and the several said through holes (204) are equidistantly distributed in a straight line The side of air duct (103). 7. The dust removal device for a coal handling system as claimed in claim 5 or 6, characterized in that: the spray plate (205) is composed of a hollow plate and several spray heads, the number of the spray heads is the same as that of the through holes ( 204) the same number. 8. A dust removal device for a coal handling system according to claim 7, characterized in that: the dust drop box (207) is on the lower side of the filter screen (201), and the spray plate (205) is on the lower side of the filter screen (201). The upper side of (201). 9. A dust removal device for a coal handling system according to claim 8, characterized in that: the inner wall of the dust collection box (208) stores water, and the side of the dust collection box (208) is fixedly connected with a pulley Ring (208a). 10. A dust removal device for a coal conveying system according to claim 8 or 9, characterized in that: the wind collecting hood (102) is at the upper part of the tail end of the coal conveying machine (101), and the wind collecting hood (102 ) communicate with the air duct (103).

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