Dust falling device for coal sample crusher

Abstract

The utility model discloses a dust falling device for a coal sample crusher, which relates to the technical field of dust removal of crushers, and comprises a crusher body, a processing frame and a dust removal box, the crusher body is positioned at the top of the processing frame and is fixedly connected with the processing frame, and two crushing teeth are rotatably connected in the crusher body. The dust removal device has the advantages that the exhaust fan is started, dust generated by operation of the crusher body is sucked out through the arranged dust removal box while the exhaust fan operates, then the dust is filtered through the arranged filter screen, part of the dust can be adsorbed to the surface of the filter screen, and the dust removal effect is good. According to the device, the exhaust fan is driven to rotate, so that when the exhaust fan operates, the transmission roller is driven to synchronously operate, and the cleaning plate and the cleaning brush are driven to operate through the transmission roller, so that dust attached to the surface of the filter screen is cleaned, the filtering effect of the filter screen can be ensured under long-time use, and the service life of the filter screen is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of crusher dust removal, in particular to a dust reduction device for a coal sample crusher. Background Art

[0002] Coal is a mineral, a black solid, whose main components are carbon, hydrogen and oxygen. It is formed by the metamorphosis of ancient plants buried underground under high temperature and high pressure. It is mainly used as fuel and chemical raw material, also called coal.

[0003] A dust reduction jaw crusher is proposed in the Chinese utility model patent with application number 202121696366.9, including a crusher body, a feed port is provided on the top of the crusher body, a dust cover is fixedly provided on the top of the crusher body, the dust cover is arranged with a lower opening, and the feed port is located below the dust cover; an air duct is fixedly connected to the top of the dust cover, and the air duct is connected to the dust cover; an exhaust fan is fixedly provided at one end of the circumferential inner side wall of the air duct close to the dust cover, and a dust treatment box is fixedly provided at one end of the air duct away from the dust cover. This application has the effect of reducing the possibility of dust generated by the crusher when crushing materials, which may reduce the air quality.

[0004] After being improved, the above-mentioned device has achieved the effect of reducing the possibility of reducing air quality due to dust generated when the crusher crushes materials by setting up an exhaust fan and a dust treatment box. However, during use, the filter net installed inside the protective cover is fixedly connected, so that after long-term use, its surface will absorb dust, thereby resulting in a decrease in the filtering effect. For this reason, we propose a dust reduction device for a coal sample crusher. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a dust reduction device for a coal sample crusher, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a dust reduction device for a coal sample crusher, comprising a crusher body, a processing frame and a dust removal box, the crusher body is located at the top of the processing frame and fixedly connected thereto, the crusher body is internally rotatably connected to two crushing teeth, the dust removal box is located at one end of the crusher body and cooperates with it, a feeding port is opened on the top of the crusher body, a dust suction pipe is fixedly connected to one end of the crusher body, the dust suction pipe is fixedly connected to the dust removal box, an exhaust fan is arranged inside the dust removal box, the exhaust fan is electrically connected to an external PLC controller, a filter is fixedly installed inside the dust removal box, the output shaft of the exhaust fan is fixedly connected to a transmission roller, the transmission roller passes through the filter and is rotatably connected thereto, a plurality of cleaning brushes are fixedly connected to the outside of the transmission roller, a plurality of cleaning brushes are provided at one end close to the filter, the cleaning plate cooperates with the filter, and a ash discharge pipe is fixedly connected to the bottom of the dust removal box.

[0007] Preferably, one end of the dust removal box is fixedly connected to a delivery pipe, one end of the delivery pipe is fixedly connected to a filter box, one end of the filter box is fixedly connected to a hinge, the filter box is rotatably connected to a box door via the hinge, one end of the filter box is fixedly connected to an exhaust pipe, the box door is opened by a set hinge, and the interior of the filter box is filled with filter materials such as activated carbon.

[0008] Preferably, a plurality of partitions are provided inside the filter box, and the plurality of partitions are staggeredly distributed. The provided partitions allow dust and air to stay inside the filter box for a longer time, thereby filtering the dust.

[0009] Preferably, a discharge port is provided at the bottom of the crusher body, and a conveyor belt is provided inside the processing frame. The discharge port cooperates with the conveyor belt, and the crushed coal sample falls onto the upper surface of the conveyor belt for transportation through the provided discharge port.

[0010] Preferably, one end of the crusher body is fixedly connected to a water tank, a water pump is arranged inside the water tank, the output end of the water pump is fixedly connected to a two-way pipe, one end of the two-way pipe is fixedly connected to a water pipe, and water is transported to the inside of the water pipe for transportation through the water tank and water pump.

[0011] Preferably, two spray heads are provided inside the crusher body, one end of the spray head is fixedly connected to a connecting pipe, and the connecting pipe cooperates with the water pipe. The arranged spray heads can spray the inside of the crusher body to reduce dust generated during the crushing process.

[0012] The utility model provides a dust suppression device for a coal sample crusher, which has the following beneficial effects:

[0013] 1. The coal sample crusher uses a dust reduction device. By starting the exhaust fan, the exhaust fan runs and the dust generated by the crusher body is sucked out through the dust removal box, and then filtered through the filter. Some dust will be adsorbed on the surface of the filter. When the exhaust fan is running, the transmission roller will be driven to run synchronously, and the cleaning plate and the cleaning brush will be driven to run through the transmission roller, thereby cleaning the dust attached to the surface of the filter, thereby ensuring the filtering effect of the filter under long-term use, thereby increasing its service life.

[0014] 2. The dust reduction device for the coal sample crusher transports water to the inside of the water pipe through the water tank and the water pump installed inside the water tank, and transports water to the inside of the spray head through the cooperation of the water pipe and the connecting pipe. The inside of the crusher body is sprayed through the spray head, thereby further improving the dust reduction effect. The conveyor belt makes it convenient to transport the coal samples after crushing, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a cross-sectional view of the crusher body of the utility model;

[0017] Figure 3 This is a cross-sectional view of the dust removal box of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the filter box of the utility model;

[0019] Figure 5 This is a cross-sectional view of the filter box of the utility model.

[0020] In the figure: 1. Crusher body; 2. Processing frame; 3. Conveyor belt; 4. Feeding port; 5. Water tank; 6. Water pipe; 7. Connecting pipe; 8. Dust suction pipe; 9. Dust removal box; 10. Filter box; 12. Crushing teeth; 13. Sprinkler head; 14. Discharge port; 15. Exhaust fan; 16. Filter screen; 17. Driving roller; 18. Cleaning plate; 19. Cleaning brush; 20. Ash discharge pipe; 21. Conveying pipe; 22. Hinge; 23. Exhaust pipe; 24. Partition; 25. Box door. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figures 1 to 5The utility model provides a technical solution: a dust reduction device for a coal sample crusher, comprising a crusher body 1, a processing frame 2 and a dust removal box 9, the crusher body 1 is located at the top of the processing frame 2 and is fixedly connected thereto, two crushing teeth 12 are rotatably connected inside the crusher body 1, the dust removal box 9 is located at one end of the crusher body 1 and cooperates therewith, a feeding port 4 is opened on the top of the crusher body 1, a dust suction pipe 8 is fixedly connected to one end of the crusher body 1, the dust suction pipe 8 is fixedly connected to the dust removal box 9, an exhaust fan 15 is arranged inside the dust removal box 9, the exhaust fan 15 is electrically connected to an external PLC controller, a filter screen 16 is fixedly installed inside the dust removal box 9, a transmission roller 17 is fixedly connected to the output shaft of the exhaust fan 15, the transmission roller 17 penetrates the filter screen 16 and is rotatably connected thereto, a plurality of cleaning brushes 19 are fixedly connected to the outer side of the transmission roller 17, a plurality of cleaning brushes 19 are arranged at one end close to the filter screen 16, a plurality of cleaning plates 18 are arranged, the cleaning plates 18 cooperate with the filter screen 16, and a dust discharge pipe 20 is fixedly connected to the bottom of the dust removal box 9.

[0023] One end of the dust removal box 9 is fixedly connected to a conveying pipe 21, one end of the conveying pipe 21 is fixedly connected to a filter box 10, one end of the filter box 10 is fixedly connected to a hinge 22, the filter box 10 is rotatably connected to a box door 25 through the hinge 22, one end of the filter box 10 is fixedly connected to an exhaust pipe 23, the box door 25 is opened by the hinge 22, and the inside of the filter box 10 is filled with filter materials such as activated carbon. A plurality of partitions 24 are arranged inside the filter box 10, and the plurality of partitions 24 are staggered. The partitions 24 are arranged to allow dust and air to stay in the inside of the filter box 10 for a longer time, thereby filtering the dust.

[0024] A discharge port 14 is provided at the bottom of the crusher body 1, and a conveyor belt 3 is arranged inside the processing frame 2. The discharge port 14 cooperates with the conveyor belt 3, and the crushed coal sample is allowed to fall on the upper surface of the conveyor belt 3 for transportation through the set discharge port 14. A water tank 5 is fixedly connected to one end of the crusher body 1, and a water pump is arranged inside the water tank 5. A double-way pipe is fixedly connected to the output end of the water pump, and a water pipe 6 is fixedly connected to one end of the double-way pipe. Water is transported to the inside of the water pipe 6 for transportation through the set water tank 5 and the water pump. Two spray heads 13 are arranged inside the crusher body 1, and a connecting pipe 7 is fixedly connected to one end of the spray head 13. The connecting pipe 7 cooperates with the water pipe 6. The spray head 13 can be used to spray the inside of the crusher body 1 to reduce dust generated during the crushing process.

[0025] In summary, the dust reduction device for the coal sample crusher, when in use, the coal sample to be crushed is placed into the crusher body 1 through the provided feeding port 4, one end of the crusher body 1 is fixedly installed with two servo motors, the two servo motors are respectively fixedly connected to the two crushing teeth 12, and the two servo motors rotate in opposite directions, so that the coal sample is crushed by the two crushing teeth 12 provided inside, and dust is generated in the crushing process, the exhaust fan 15 is started by an external power supply, and while the exhaust fan 15 is running, the crusher body 1 is operated through the provided dust removal box 9 to suck out the generated dust, and then it is filtered through the provided filter 16, and part of the dust is adsorbed on the surface of the filter 16, so that while the exhaust fan 15 is running, it will drive the transmission The movable roller 17 rotates synchronously, and drives the cleaning plate 18 and the cleaning brush 19 to rotate through the transmission roller 17, thereby cleaning the dust attached to the surface of the filter screen 16, and the cleaned dust is discharged from the ash discharge pipe 20, thereby ensuring the filtering effect of the filter screen 16 under long-term use. Some dust enters the interior of the filter box 10 with the air flow, and is filtered by the activated carbon filled in the filter box 10, and the gas is discharged through the exhaust pipe 23. At the same time, the water tank 5 and the water pump arranged therein can be used to transport water to the interior of the water pipe 6, and the water is transported to the interior of the spray head 13 through the cooperation of the water pipe 6 and the connecting pipe 7, and the interior of the crusher body 1 is sprayed through the spray head 13, thereby further improving the dust reduction effect.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A dust suppression device for a coal sample crusher, comprising a crusher body (1), a processing frame (2) and a dust removal box (9), characterized in that: The crusher body (1) is located on the top of the processing frame (2) and is fixedly connected thereto. Two crushing teeth (12) are rotatably connected inside the crusher body (1). The dust removal box (9) is located at one end of the crusher body (1) and cooperates therewith. A feeding port (4) is provided on the top of the crusher body (1). A dust suction pipe (8) is fixedly connected to one end of the crusher body (1). The dust suction pipe (8) is fixedly connected to the dust removal box (9). An exhaust fan (15) is arranged inside the dust removal box (9). The exhaust fan (15) is electrically connected to an external PLC controller. A filter screen (16) is fixedly installed inside the dust removal box (9). A transmission roller (17) is fixedly connected to the output shaft of the exhaust fan (15). The transmission roller (17) passes through the filter screen (16) and is rotatably connected thereto. A plurality of cleaning brushes (19) are fixedly connected to the outer side of the driving roller (17), and a plurality of cleaning plates (18) are arranged at one end of the plurality of cleaning brushes (19) close to the filter screen (16), and the cleaning plates (18) cooperate with the filter screen (16). A dust discharge pipe (20) is fixedly connected to the bottom of the dust removal box (9), and a conveying pipe (21) is fixedly connected to one end of the dust removal box (9), and a filter box (10) is fixedly connected to one end of the conveying pipe (21), and a filter box (10) is fixedly connected to one end of the filter box (10), and a box door (25) is rotatably connected to the filter box (10) via the hinge (22), and an exhaust pipe (23) is fixedly connected to one end of the filter box (10), and a plurality of partitions (24) are arranged inside the filter box (10), and the plurality of partitions (24) are staggered.

2. A dust suppression device for a coal sample crusher according to claim 1, characterized in that: A discharge port (14) is provided at the bottom of the crusher body (1), a conveyor belt (3) is provided inside the processing frame (2), and the discharge port (14) cooperates with the conveyor belt (3).

3. The dust suppression device for a coal sample crusher according to claim 1, characterized in that: One end of the crusher body (1) is fixedly connected to a water tank (5), a water pump is arranged inside the water tank (5), an output end of the water pump is fixedly connected to a two-way pipe, and one end of the two-way pipe is fixedly connected to a water delivery pipe (6).

4. A dust suppression device for a coal sample crusher according to claim 3, characterized in that: Two spray heads (13) are arranged inside the crusher body (1), one end of the spray head (13) is fixedly connected to a connecting pipe (7), and the connecting pipe (7) cooperates with the water delivery pipe (6).

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