Raw ore crushing device for coal mining
By using a tilting plate and exhaust fan to collect coal ash in coal mining equipment, and using a spray plate to spray water mist to reduce dust, the environmental pollution and health problems caused by coal ash diffusion have been solved, and clean production has been achieved.
Patent Information
- Application Number
- CN202423028950.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing ore crushing equipment generates a large amount of coal ash during operation, causing environmental pollution and affecting the health of workers.
A raw ore crushing device for coal mining was designed. The feeding pipe is closed by a tilting plate, the coal ash in the crushing box is collected into a dust collection box by an exhaust fan, and water mist is sprayed by a spray plate to reduce the spread of dust and reduce the impact on the environment and human health.
It effectively prevents coal mine ash from spreading outwards, reduces environmental pollution, and lowers the risk to workers' health.
Smart Images
Figure CN223602580U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coal mine equipment technical field, concretely is a raw ore crushing device of coal mining. BACKGROUND
[0002] Coal mine is the area that human in rich coal's mining area exploits coal resources, generally divides into pit coal mine and open coal mine, when coal mine is mined from mining area, the volume is very big, in order to transport and use conveniently, need to carry out the crushing treatment to coal mine, can reduce the problem that coal mine occupies space is bigger, accelerates the progress of coal mining work.
[0003] The raw ore crushing device in the prior art will produce a large amount of coal dust during use, which will spread from the inside of the crushing device to the outside, causing the surrounding environment to be full of coal dust and polluting the surrounding environment. Moreover, the coal dust will be inhaled by the workers for a long time, affecting the health of the workers.
[0004] In view of the above problems, the utility model provides a raw ore crushing device for coal mining. UTILITY MODEL CONTENTS
[0005] The utility model discloses a kind of raw ore crushing devices for coal mining, can be closed by turnover plate to feed pipe, prevent coal dust from feed pipe and drift to the outside of crushing box, again by exhaust fan, coal dust in the inside of crushing box is sent into dust collection box and is collected, reduce the pollution to surrounding environment, finally by the water mist that spray board sprays, make the coal dust that drifts in the inside of discharge box falls, reduce the influence of drifting coal dust to the health of surrounding worker, to solve the problem in background art.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of raw ore crushing device for coal mining, including crushing box, the upper end of crushing box is provided with feed pipe, the inside of feed pipe is provided with turnover plate, the inside of crushing box is provided with two symmetrical crushing rollers, the lower of crushing box is provided with the discharge box of intercommunication, the outside of crushing box is provided with dust collection box, the inside of dust collection box is provided with multiple layers of dust absorption plate, the upper end of the side of crushing box is provided with vent, the inside of vent is provided with exhaust fan, vent is fixedly connected with the inside of dust collection box by exhaust pipe, the upper end of discharge box side is provided with discharge port, the inside of discharge box is provided with the screen plate of oblique placement, the inner top of discharge box is fixedly connected with spray board on one side.
[0007] Further, the middle inner wall of the feeding pipe is provided with two mutually symmetrical circular grooves, the side surface of the turnover plate is provided with a first rotating shaft penetrating through, the surface of the first rotating shaft is fixedly connected with the inner part of the turnover plate, the two ends of the first rotating shaft are rotatably connected in the circular grooves through bearings, and the two end portions of the first rotating shaft are fixedly installed with torsion springs.
[0008] Further, the inside of the dust collecting box is provided with multiple dust collecting plates in the vertical direction, the two sides of the dust collecting plates are fixedly connected with sliding blocks, the two inner walls of the dust collecting box are provided with sliding grooves corresponding to the sliding blocks, and the lower end of the dust collecting box is provided with an air outlet.
[0009] Further, the bottom end surface of the spraying plate is fixedly connected with a plurality of water mist sprayers, one side of the upper end surface of the discharging box is fixedly connected with a water tank and a water pump, the water inlet of the water pump is fixedly communicated with the inside of the water tank through a water pipe, and the water outlet of the water pump is communicated with the inside of the spraying plate through a water pipe.
[0010] Further, the two sides of the screening plate are fixedly connected with a plurality of rectangular blocks which are uniformly distributed and mutually symmetrical, the two inner walls of the discharging box are provided with rectangular grooves corresponding to the rectangular blocks, the upper end and the lower end of the rectangular block are provided with springs, one end of the spring is fixedly connected to the rectangular block, the end of the spring away from the rectangular block is fixedly connected to the end inner wall of the rectangular groove, and the bottom end of the screening plate is fixedly installed with a vibration motor.
[0011] Further, the inside of the crushing box is provided with two mutually symmetrical second rotating shafts, the crushing rollers are fixedly installed on the surface of the second rotating shafts, the two ends of the second rotating shafts are rotatably connected to the inner wall of the crushing box through bearings, two mutually symmetrical motors are fixedly installed on the outer side surface of the crushing box, and one end of the second rotating shaft extends outward to the outer side of the crushing box and is fixedly connected with the output end of the motor.
[0012] Further, one side of the dust collecting box is provided with a box door, one side of the box door is rotatably connected to the side surface of the dust collecting box through a hinge, and the box door and the dust collecting box are fixedly connected through bolts.
[0013] Further, the inner bottom surface of the discharging box is provided with a water collecting groove, the side surface of the water collecting groove is fixedly communicated with a water outlet pipeline, and the water outlet end of the water outlet pipeline is fixedly installed with a valve.
[0014] Compared with the prior art, the dust collecting device has the following beneficial effects:
[0015] The utility model provides a kind of raw ore crushing device of coal mining, when using, first the raw ore needing to be crushed is sent into the inside of crushing box from feed pipe, then overturning plate will close feed pipe under the driving of torsion spring, subsequently the output end of motor drives second rotating shaft rotation, second rotating shaft drives crushing roller rotation and crushes raw ore, coal mine ash produced by crushing is discharged from ventilation opening by exhaust fan, ventilation opening is sent into dust collecting box by exhaust pipe, multilayer dust absorption plate in dust collecting box will absorb coal mine ash, prevent coal mine ash from spreading to the outside of crushing box, cause pollution to surrounding environment, raw ore after crushing will fall from crushing box to the screening plate inside discharge box, by vibration motor driving screening plate constantly up and down shaking, raw ore after crushing is transported to discharge port to be collected, spray plate will spray water downward by water mist sprayer, so that coal mine ash floating in the inside of discharge box falls, reduce the influence of coal mine ash floating on the health of surrounding staff. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is whole structure schematic diagram of the utility model;
[0017] Figure 2 It is structure schematic diagram of dust collecting box in the utility model;
[0018] Figure 3 It is structure schematic diagram of crushing roller in the utility model;
[0019] Figure 4 It is structure schematic diagram of circular groove in the utility model;
[0020] Figure 5 It is structure schematic diagram of torsion spring in the utility model;
[0021] Figure 6 It is structure schematic diagram of dust absorption plate in the utility model;
[0022] Figure 7 It is structure schematic diagram of vibration motor in the utility model.
[0023] In the drawing: 1, crushing box;2, feed pipe;3, overturning plate;4, first rotating shaft;5, circular groove;6, torsion spring;7, ventilation opening;8, exhaust fan;9, crushing roller;10, second rotating shaft;11, motor;12, dust collecting box;13, dust absorption plate;14, sliding block;15, sliding slot;16, box door;17, air outlet;18, discharge box;19, discharge port;20, water tank;21, water pump;22, spray plate;23, water mist sprayer;24, screening plate;25, rectangular block;26, rectangular slot;27, spring;28, vibration motor;29, water collecting tank;30, water outlet pipe;31, valve. DETAILED DESCRIPTION
[0024] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0025] In order to solve the technical problem that the existing raw ore crushing device will make the surrounding environment full of coal ash, cause pollution to the surrounding environment, and the workers will inhale the coal ash into the body, which will affect the health of the workers during use, and Figures 1-7 As shown in the drawings, the following preferred technical solutions are provided:
[0026] A raw ore crushing device for coal mining, comprising a crushing box 1, an inlet pipe 2 is arranged at the upper end of the crushing box 1, a turnover plate 3 is arranged in the inlet pipe 2, two symmetrical crushing rollers 9 are arranged in the crushing box 1, a communication outlet box 18 is arranged below the crushing box 1, a dust collection box 12 is arranged on the outer side of the crushing box 1, a plurality of dust suction plates 13 are arranged in the dust collection box 12, a ventilation opening 7 is formed in the upper end of the side of the crushing box 1, an exhaust fan 8 is arranged in the ventilation opening 7, the ventilation opening 7 is fixedly connected to the inside of the dust collection box 12 through an exhaust pipe, a discharge port 19 is formed in the upper end of the side of the outlet box 18, an inclined screening plate 24 is arranged in the inside of the outlet box 18, and a spraying plate 22 is fixedly connected to one side of the inner top surface of the outlet box 18.
[0027] Specifically, in use, first, the raw ore to be crushed is sent into the crushing box 1 from the feeding pipe 2, then the turnover plate 3 will close the feeding pipe 2, and then the crushing roller 9 will rotate to crush the raw ore, the crushed coal mine ash will be discharged from the air vent 7 through the exhaust fan 8, and then the coal mine ash will be sent into the dust collection box 12 through the exhaust pipe, the multi-layer dust absorption plate 13 in the dust collection box 12 will absorb the coal mine ash to prevent the coal mine ash from spreading outside the crushing box 1 and polluting the surrounding environment, and the crushed raw ore will fall onto the screening plate 24 in the discharge box 18, and then be transported to the discharge port 19 through the inclined screening plate 24 for collection, and the spraying plate 22 will spray water downward to make the coal mine ash floating in the discharge box 18 fall down, thereby reducing the impact of the floating coal mine ash on the health of the surrounding workers.
[0028] Further, as shown in Figure 4 and Figure 5 , the following preferred technical solutions are provided:
[0029] The middle inner wall of the feeding pipe 2 is provided with two symmetrical circular grooves 5, the side of the turnover plate 3 is provided with a first rotating shaft 4 penetrating through, the surface of the first rotating shaft 4 is fixedly connected to the inside of the turnover plate 3, the two ends of the first rotating shaft 4 are rotatably connected to the inside of the circular groove 5 through bearings, and the two ends of the first rotating shaft 4 are fixedly installed with torsional springs 6, so that the turnover plate 3 is turned over by the torsional springs 6, thereby realizing the automatic closure of the feeding pipe 2.
[0030] Further, as shown in Figure 6 , the following preferred technical solutions are provided:
[0031] The inside of the dust collection box 12 is provided with a plurality of dust absorption plates 13 in the vertical direction, the two sides of the dust absorption plate 13 are fixedly connected with sliding blocks 14, the two inner walls of the dust collection box 12 are provided with sliding grooves 15 corresponding to the sliding blocks 14, and the lower end of the dust collection box 12 is provided with an air outlet 17, so that the entering coal mine ash can be absorbed by the plurality of dust absorption plates 13, and the dust absorption plates 13 can be replaced and maintained through the cooperation of the sliding blocks 14 and the sliding grooves 15.
[0032] Further, as shown in Figure 1 and Figure 3 , the following preferred technical solutions are provided:
[0033] The bottom end surface of the spray plate 22 is fixedly connected with a plurality of water mist sprayers 23. The upper end surface of the discharge box 18 is fixedly connected with a water tank 20 and a water pump 21. The water inlet of the water pump 21 is fixedly communicated with the inside of the water tank 20 through a water pipe. The water outlet of the water pump 21 is communicated with the inside of the spray plate 22 through a water pipe. The purpose of this design is that the water in the water tank 20 can be sent into the spray plate 22 through the water pipe by the water pump 21, and then sprayed out uniformly by the water mist sprayers 23.
[0034] Further, as shown in Figure 1 and Figure 7 , the following preferred technical solutions are provided:
[0035] The two sides of the screening plate 24 are fixedly connected with a plurality of rectangular blocks 25 which are uniformly distributed and mutually symmetrical. Rectangular grooves 26 corresponding to the rectangular blocks 25 are formed in the two side inner walls of the discharge box 18. The upper end and the lower end of each rectangular block 25 are provided with a spring 27. One end of each spring 27 is fixedly connected to the rectangular block 25, and the other end of each spring 27 is fixedly connected to the end inner wall of the rectangular groove 26. A vibration motor 28 is fixedly installed at the middle of the bottom end of the screening plate 24. The purpose of this design is that the screening plate 24 can be vibrated up and down by the vibration motor 28, so as to accelerate the movement of the crushed raw ore to the discharge port 19 and facilitate the collection of the staff.
[0036] Further, as shown in Figure 1 and Figure 3 , the following preferred technical solutions are provided:
[0037] The inside of the crushing box 1 is provided with two mutually symmetrical second rotating shafts 10. The crushing rollers 9 are fixedly installed on the surface of the second rotating shafts 10. The two ends of the second rotating shafts 10 are rotatably connected to the inner walls of the crushing box 1 through bearings. Two mutually symmetrical motors 11 are fixedly installed on the outside of the crushing box 1. One end of each second rotating shaft 10 extends outward to the outside of the crushing box 1 and is fixedly connected to the output end of the motor 11. The purpose of this design is that the rotation of the output end of the motor 11 drives the rotation of the second rotating shaft 10, and the rotation of the second rotating shaft 10 drives the rotation of the crushing roller 9, thereby realizing the crushing of the raw coal ore.
[0038] Further, as shown in Figure 2 , the following preferred technical solutions are provided:
[0039] One side of the dust collecting box 12 is provided with a box door 16. One side of the box door 16 is rotatably connected to the side of the dust collecting box 12 through a hinge. The box door 16 and the dust collecting box 12 are fixedly connected through bolts. The purpose of this design is that the inside of the dust collecting box 12 can be conveniently maintained and cleaned through the box door 16.
[0040] Further, as shown in Figure 1 and Figure 3 , the following preferred technical solutions are provided:
[0041] The inner bottom surface of the discharge box 18 is provided with a water collecting groove 29, the side surface of the water collecting groove 29 is fixedly communicated with a water outlet pipeline 30, and the water outlet end of the water outlet pipeline 30 is fixedly installed with a valve 31.
[0042] In summary: in use, first, the raw ore to be crushed is sent into the crushing box 1 from the feeding pipeline 2, then the turnover plate 3 is closed under the driving of the torsional spring 6, then the output end of the motor 11 drives the second rotating shaft 10 to rotate, the second rotating shaft 10 drives the crushing roller 9 to crush the raw ore, the coal mine ash generated by crushing is discharged from the ventilation opening 7 through the exhaust fan 8, the ventilation opening 7 is sent into the dust collecting box 12 through the exhaust pipe, the multi-layer dust absorption plate 13 in the dust collecting box 12 absorbs the coal mine ash to prevent the coal mine ash from spreading to the outside of the crushing box 1 and polluting the surrounding environment, the crushed raw ore falls into the sieve plate 24 in the discharge box 18, the sieve plate 24 is continuously shaken up and down by the vibration motor 28 to convey the crushed raw ore to the discharge opening 19 for collection, the spraying plate 22 sprays water downward through the water mist sprayer 23 to make the coal mine ash in the discharge box 18 fall, reducing the impact of the floating coal mine ash on the health of the surrounding staff, the purpose of this design is that the turnover plate 3 can close the feeding pipeline 2 to prevent the coal mine ash from floating from the feeding pipeline 2 to the outside of the crushing box 1, the coal mine ash in the crushing box 1 is sent into the dust collecting box 12 through the exhaust fan 8 for collection, reducing the pollution to the surrounding environment, and finally the water mist sprayed by the spraying plate 22 makes the coal mine ash in the discharge box 18 fall, reducing the impact of the floating coal mine ash on the health of the surrounding staff.
[0043] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0044] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A raw coal crushing device for coal mining, comprising a crushing box (1), characterized in that: The upper end of the pulverizing box (1) is provided with a feeding pipe (2), the inside of the feeding pipe (2) is provided with a turnover plate (3), the inside of the pulverizing box (1) is provided with two mutually symmetrical pulverizing rollers (9), the lower part of the pulverizing box (1) is provided with a communicating discharge box (18), the outside of the pulverizing box (1) is provided with a dust collecting box (12), the inside of the dust collecting box (12) is provided with multiple layers of dust collecting plates (13), the upper end of the side of the pulverizing box (1) is provided with a ventilation opening (7), the inside of the ventilation opening (7) is provided with an exhaust fan (8), the ventilation opening (7) is fixedly connected to the inside of the dust collecting box (12) through an exhaust pipe, the upper end of the side of the discharge box (18) is provided with a discharge opening (19), the inside of the discharge box (18) is provided with an obliquely placed screening plate (24), and the inside top surface of the discharge box (18) is fixedly connected with a spraying plate (22).
2. The raw coal crushing device for coal mining according to claim 1, characterized in that: The middle inner wall of the feeding pipe (2) is provided with two mutually symmetrical circular grooves (5), the side of the turnover plate (3) has a first rotating shaft (4) penetrating through, the surface of the first rotating shaft (4) is fixedly connected with the inside of the turnover plate (3), the two ends of the first rotating shaft (4) are rotatably connected in the circular grooves (5) through bearings, and the two end portions of the first rotating shaft (4) are fixedly installed with torsional springs (6).
3. The raw coal crushing device for coal mining according to claim 1, characterized in that: The inside of the dust collecting box (12) is provided with multiple layers of dust collecting plates (13) in the vertical direction, the two sides of the dust collecting plates (13) are fixedly connected with sliding blocks (14), the two inner walls of the dust collecting box (12) are provided with sliding grooves (15) corresponding to the sliding blocks (14), and the lower end of the dust collecting box (12) is provided with an air outlet (17).
4. The raw coal crushing device for coal mining according to claim 1, characterized in that: The bottom end surface of the spraying plate (22) is fixedly connected with a plurality of water mist sprayers (23), one side of the upper end surface of the discharge box (18) is fixedly connected with a water tank (20) and a water pump (21), the water inlet of the water pump (21) is fixedly connected to the inside of the water tank (20) through a water pipe, and the water outlet of the water pump (21) is connected to the inside of the spraying plate (22) through a water pipe.
5. The raw coal crushing device for coal mining according to claim 1, characterized in that: The two sides of the screening plate (24) are fixedly connected with a plurality of uniformly distributed and mutually symmetrical rectangular blocks (25), the two inner walls of the discharge box (18) are provided with rectangular grooves (26) corresponding to the rectangular blocks (25), the upper end and the lower end of the rectangular block (25) are provided with springs (27), one end of the spring (27) is fixedly connected to the rectangular block (25), the end of the spring (27) away from the rectangular block (25) is fixedly connected to the end inner wall of the rectangular groove (26), and the bottom end of the screening plate (24) is fixedly installed with a vibration motor (28).
6. The raw coal crushing device for coal mining according to claim 1, characterized in that: The inside of the pulverizing box (1) is provided with two mutually symmetrical second rotating shafts (10), the pulverizing rollers (9) are fixedly installed on the surface of the second rotating shafts (10), the two ends of the second rotating shafts (10) are rotatably connected to the inner wall of the pulverizing box (1) through bearings, the outside of the pulverizing box (1) is fixedly installed with two mutually symmetrical motors (11), and one end of the second rotating shaft (10) extends to the outside of the pulverizing box (1) and is fixedly connected to the output end of the motor (11).
7. The raw coal crushing device for coal mining according to claim 1, characterized in that: The dust collecting box (12) is provided with a box door (16) on one side, and the box door (16) is rotatably connected to the side of the dust collecting box (12) through a hinge, and the box door (16) is fixed to the dust collecting box (12) through bolts.
8. The raw coal crushing device for coal mining according to claim 1, characterized in that: The inner bottom surface of the discharging box (18) is provided with a water collecting groove (29), and the side of the water collecting groove (29) is fixedly connected with a water outlet pipeline (30), and the water outlet end of the water outlet pipeline (30) is fixedly installed with a valve (31).