Coal ash prevention and dust removal cover for machine head

Abstract

The utility model discloses a machine head coal ash prevention dust removal cover which comprises a dust removal cover body, the dust removal cover body is located at the position communicated with the bottom of a machine body and located at one end of the outer surface of a conveying belt, and the top and the bottom of one side of the dust removal cover body are both communicated with suction pipes. The suction pipe penetrates through the dust removal cover body and extends to the outside of the dust removal cover body to be communicated with a three-way pipe, and the left side of the three-way pipe is communicated with a filter box. A coal mine falls onto the conveying belt from the machine body, coal ash can be generated, the generated coal ash is sucked in from the suction pipe through starting of the suction fan, then enters the filter box through the three-way pipe and is filtered through the filter screen in the filter box, meanwhile, due to the arrangement of the one-way valve, the coal ash is prevented from flowing back, and the coal ash is prevented from flowing back. And meanwhile, the water pipe is communicated with the external water pipe, and the coal ash can be discharged through the atomization spray heads at the bottom of the water pipe, so that water is sprayed to a coal mine on the conveying belt.

Description

Technical Field

[0001] The utility model belongs to the technical field of belt transportation, in particular to a machine head anti-coal ash dust removal cover. Background Art

[0002] Belt transmission is currently a more commonly used transmission method, but in belt transmission, the falling of materials at the head of the machine will cause serious fly ash pollution.

[0003] When coal falls on the conveyor belt, a lot of dust will be generated, which makes it easy for the coal ash to be inhaled into the nasal cavity of the workers. In order to prevent the coal ash from spreading to the surrounding area, we propose a machine head anti-coal ash dust removal cover to block the dust, thereby reducing the workers' inhalation of coal ash. Utility Model Content

[0004] The utility model aims to provide a coal ash dust removal cover for a machine head, which has the purpose of preventing coal ash from spreading to the surroundings, so as to solve the above-mentioned background technical problems.

[0005] The utility model provides a technical solution for solving the above-mentioned technical problems as follows: a machine head coal ash dust removal hood, comprising a dust removal hood body, the dust removal hood body is located at a position connected to the bottom of the machine body, and is located at one end of the outer surface of the conveyor belt, the top and bottom of one side of the dust removal hood body are connected with a suction pipe, the suction pipe passes through the dust removal hood body and extends to the outside of the dust removal hood body and is connected with a three-way pipe, the left side of the three-way pipe is connected with a filter box, the inner cavity of the filter box is detachably connected with a filter screen, one end of the filter box is connected with a suction fan, a baffle is fixedly connected at the outer edges of the top and bottom of the inner cavity of the dust removal hood body, the top of the right side of the dust removal hood body is fixedly connected with a water pipe, the bottom of the water pipe is connected with an atomizing nozzle, and the suction pipe passes through the surface of the outer side of the dust removal hood body and is connected with a one-way valve.

[0006] Preferably, the top of the filter box is fixedly connected to a box cover by screws, the right side of the top of the box cover is fixedly connected to an electric telescopic rod, the telescopic end of the electric telescopic rod passes through the box cover and extends to the interior of the filter box and is fixedly connected to a movable plate, the left side of the movable plate is fixedly connected to a cleaning brush, and the left side of the cleaning brush is tightly fitted to the surface of the filter net.

[0007] Preferably, the front of the water pipe is connected to a hose, and there are multiple atomizing nozzles, which are equidistantly arranged at the bottom of the water pipe.

[0008] Preferably, a through hole for the conveyor belt to pass through is opened on the right side of the dust removal cover.

[0009] Preferably, the baffles are all inclined in design, and the distance between the end surface of the baffle and the conveyor belt is thirty to fifty centimeters.

[0010] Preferably, a mounting frame is fixedly connected to the inner surface of the filter box, and the inner surface of the mounting frame is fixedly connected to the surface of the filter screen by screws.

[0011] 1. The beneficial effect of the utility model is that when the coal mine falls from the machine body onto the conveyor belt, coal ash will be generated. By starting the suction fan, the generated coal ash is sucked from the suction pipe, and then enters the filter box through the three-way pipe, and the coal ash is filtered through the filter net in the filter box. At the same time, the one-way valve is set to avoid the backflow of coal ash. The baffle blocks the coal ash in the gap between the conveyor belt and the dust removal cover, thereby reducing the discharge of coal ash. At the same time, it is connected to an external water pipe through a water pipe and can be discharged through the atomizing nozzle at the bottom of the water pipe, thereby spraying water on the coal mine on the conveyor belt. By setting the above structure, the generated coal ash can be prevented from spreading from the surrounding area, thereby reducing the inhalation of workers.

[0012] 2. The utility model drives the movable plate to slide up and down by arranging an electric telescopic rod, thereby driving the cleaning brush to move, and then cleaning the surface of the filter screen, thereby increasing the filtering effect of coal ash.

[0013] 3. The utility model has a through hole for the conveyor belt to pass through on the right side of the dust removal cover, which is convenient for the conveyor belt to transport coal mines.

[0014] 4. The utility model can improve the barrier effect and reduce the discharge of coal ash by setting the baffles to be inclined, thereby reducing the discharge amount of coal ash.

[0015] 5. The utility model provides an inner surface of the installation frame which is fixedly connected to the surface of the filter screen by screws, thereby facilitating the disassembly and installation and regular replacement of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] in:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a cross-sectional schematic diagram of the dust removal hood of the utility model;

[0019] Figure 3 It is a schematic diagram of the filter box structure of the utility model.

[0020] Figure 4 It is a front view of the dust removal hood structure of the utility model.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Machine body; 2. Conveyor belt; 3. Dust collector; 4. Suction pipe; 5. Three-way pipe; 6. Filter box; 7. Filter screen; 8. Suction fan; 9. Baffle; 10. Water pipe; 11. Atomizing nozzle; 12. Box cover; 13. Electric telescopic rod; 14. Moving plate; 15. Cleaning brush; 16. One-way valve. DETAILED DESCRIPTION

[0023] Hereinafter, embodiments of the coal ash dust removal cover for a machine head of the present invention will be described with reference to the accompanying drawings.

[0024] Embodiment 1:

[0025] Figure 1-4 The utility model shows a coal ash dust removal cover for the machine head, including a dust removal cover body 3, which is located at a position connected to the bottom of the machine body 1 and is located at one end of the outer surface of the conveyor belt 2. A through hole for the conveyor belt 2 to pass through is opened on the right side of the dust removal cover body 3. The through hole for the conveyor belt 2 to pass through is opened on the right side of the dust removal cover body 3, which facilitates the conveyor belt 2 to transport the coal mine. The top and bottom of one side of the dust removal cover body 3 are both connected with a suction pipe 4, which passes through the dust removal cover body 3 and extends to the The outside is connected with a three-way pipe 5, and the left side of the three-way pipe 5 is connected with a filter box 6. The inner cavity of the filter box 6 is detachably connected with a filter screen 7. One end of the filter box 6 is connected with a suction fan 8. The outer edges of the top and bottom of the inner cavity of the dust removal cover 3 are fixedly connected with baffles 9. The baffles 9 are all inclined in design. The distance between the baffles 9 and the end face of the conveyor belt 2 is thirty to fifty centimeters. By setting the baffles 9 to be inclined in design, the barrier effect can be improved, the discharge of coal ash can be reduced, thereby reducing the discharge of coal ash and dust removal. A water pipe 10 is fixedly connected to the top of the right side of the cover body 3, a hose is connected to the front of the water pipe 10, and an atomizing nozzle 11 is connected to the bottom of the water pipe 10. There are multiple atomizing nozzles 11, which are equidistantly arranged at the bottom of the water pipe 10. The suction pipe 4 passes through the surface of the outer side of the dust removal cover body 3 and is connected to a one-way valve 16. The coal mine falls from the body 1 onto the conveyor belt 2, which will produce coal ash. By starting the suction fan 8, the produced coal ash is sucked from the suction pipe 4, and then enters the filter box 6 through the three-way pipe 5. The coal ash is filtered through the filter screen 7 in the filter box 6. At the same time, the one-way valve 16 is set to prevent the coal ash from flowing back. The baffle 9 blocks the coal ash in the gap between the conveyor belt 2 and the dust removal cover 3, thereby reducing the discharge of the coal ash. At the same time, the water pipe 10 is connected to the external water pipe, and the water can be discharged through the atomizing nozzle 11 at the bottom of the water pipe 10, thereby spraying water on the coal mine on the conveyor belt 2. By setting the above structure, the generated coal ash can be prevented from spreading from the surrounding area, thereby reducing the inhalation of workers.

[0026] Embodiment 2:

[0027] Figure 1-4The utility model shows a coal ash dust removal cover for the machine head, including a dust removal cover body 3, the dust removal cover body 3 is located at a position connected to the bottom of the machine body 1, and is located at one end of the outer surface of the conveyor belt 2, the top and bottom of one side of the dust removal cover body 3 are connected with a suction pipe 4, the suction pipe 4 passes through the dust removal cover body 3 and extends to the outside of the dust removal cover body 3 and is connected with a three-way pipe 5, the left side of the three-way pipe 5 is connected with a filter box 6, the top of the filter box 6 is fixedly connected to a box cover 12 by screws, the right side of the top of the box cover 12 is fixedly connected to an electric telescopic rod 13, the telescopic end of the electric telescopic rod 13 passes through the box cover 12 and extends to the inside of the filter box 6 and is fixedly connected to a movable plate 14, the left side of the movable plate 14 is fixedly connected to a cleaning brush 15, the left side of the cleaning brush 15 is tightly fitted with the surface of the filter screen 7, and the electric telescopic rod 13 is set to drive The movable plate 14 slides up and down, thereby driving the cleaning brush 15 to move, and then cleaning the surface of the filter screen 7 to increase the filtering effect of the coal ash. The inner cavity of the filter box 6 is detachably connected with the filter screen 7, and the inner surface of the filter box 6 is fixedly connected with a mounting frame, and the inner surface of the mounting frame is fixedly connected to the surface of the filter screen 7 by screws. By setting the inner surface of the mounting frame to be fixedly connected to the surface of the filter screen 7 by screws, the disassembly and assembly and regular replacement of the filter screen 7 are facilitated, and the end of the filter screen 7 away from the filter box 6 is connected to the suction fan 8, and the outer edges of the top and bottom of the inner cavity of the dust removal hood 3 are fixedly connected with a baffle 9, and the top of the right side of the dust removal hood 3 is fixedly connected with a water pipe 10, and the bottom of the water pipe 10 is connected with an atomizing nozzle 11, and the suction pipe 4 passes through the surface of the outer side of the dust removal hood 3 and is connected with a one-way valve 16.

[0028] Working principle: When the coal mine of the utility model falls from the body 1 onto the conveyor belt 2, coal ash will be generated. The conveyor belt 2 uses the existing technology to transport the coal mine. By starting the suction fan 8, the generated coal ash is sucked from the suction pipe 4, and then enters the filter box 6 through the three-way pipe 5, and the coal ash is filtered through the filter screen 7 in the filter box 6. At the same time, the setting of the one-way valve 16 prevents the coal ash from flowing back. The electric telescopic rod 13 is started, and the electric telescopic rod 13 drives the moving plate 14 to slide up and down, thereby driving the cleaning brush 15 to move, and then the surface of the filter screen 7 is cleaned to increase the filtering effect of the coal ash. The baffle 9 blocks the coal ash in the gap between the conveyor belt 2 and the dust removal cover 3, thereby reducing the discharge of coal ash. At the same time, the water pipe 10 can be connected to the external water pipe through the hose, and it can be discharged through the atomizing nozzle 11 at the bottom of the water pipe 10, so as to spray water on the coal mine on the conveyor belt 2. By setting the above structure, the generated coal ash can be prevented from spreading from the surrounding area, thereby reducing the inhalation of workers.

Claims

1. A coal ash dust removal cover for a machine head, comprising a dust removal cover body (3), wherein the dust removal cover body (3) is located at a position connected to the bottom of the machine body (1) and at one end of the outer surface of the conveyor belt (2), characterized in that: The top and bottom of one side of the dust removal hood (3) are both connected with a suction pipe (4); the suction pipe (4) passes through the dust removal hood (3) and extends to the outside of the dust removal hood (3) to be connected with a three-way pipe (5); the left side of the three-way pipe (5) is connected with a filter box (6); the inner cavity of the filter box (6) is detachably connected with a filter screen (7); one end of the filter box (6) is connected with a suction fan (8); a baffle (9) is fixedly connected to the outer edges of the top and bottom of the inner cavity of the dust removal hood (3); the top of the right side of the dust removal hood (3) is fixedly connected with a water pipe (10); the bottom of the water pipe (10) is connected with an atomizing nozzle (11); the surface of the suction pipe (4) passing through the outer side of the dust removal hood (3) is connected with a one-way valve (16).

2. The head coal ash dust removal cover according to claim 1, characterized in that: The top of the filter box (6) is fixedly connected to a box cover (12) by screws, the right side of the top of the box cover (12) is fixedly connected to an electric telescopic rod (13), the telescopic end of the electric telescopic rod (13) passes through the box cover (12) and extends to the inside of the filter box (6) and is fixedly connected to a movable plate (14), the left side of the movable plate (14) is fixedly connected to the left side, and the left side of the cleaning brush (15) is tightly fitted to the surface of the filter screen (7).

3. The head coal ash dust removal cover according to claim 1, characterized in that: The front side of the water pipe (10) is connected to a hose, and the number of the atomizing nozzles (11) is multiple and they are arranged at equal distances at the bottom of the water pipe (10).

4. The head coal ash dust removal cover according to claim 1, characterized in that: A through hole for the conveyor belt (2) to pass through is provided on the right side of the dust removal cover (3).

5. The head coal ash dust removal cover according to claim 1, characterized in that: The baffles (9) are all designed to be inclined, and the distance between the end surface of the baffles (9) and the conveyor belt (2) is thirty to fifty centimeters.

6. The head coal ash dust removal cover according to claim 1, characterized in that: The inner surface of the filter box (6) is fixedly connected to a mounting frame, and the inner surface of the mounting frame is fixedly connected to the surface of the filter screen (7) via screws.

Images