Coal mine electromechanical equipment for coal mining

By designing a vacuum cleaner box and a sedimentation tank in the coal mine crushing device, the problem of dust diffusion during the crushing process is solved, effective sedimentation and treatment of dust is achieved, and safety risks and equipment wear are reduced.

CN222872294UActive Publication Date: 2025-05-16HUADIAN COAL IND GRP
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Patent Information

Application Number
CN202421376890.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-05-16
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

The existing coal mine crushing devices lack the vacuum cleaning function, resulting in a large amount of dust generated during the crushing process, endangering workers' health, accelerating equipment wear, and posing a risk of coal dust explosion.

Method used

A coal mine electromechanical equipment is designed, including a crushing box, a vacuum cleaner box and a sedimentation tank. The vacuum cleaner box absorbs dust during the crushing process through a fan and is introduced into the sedimentation tank through a conduit for sedimentation treatment.

Benefits of technology

It effectively avoids the spread of dust, reduces the risk of occupational diseases, slows down the wear of mechanical equipment, and prevents coal dust explosion.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses coal mine electromechanical equipment for coal mining, which belongs to the technical field of coal mining and comprises a crushing box, a feeding port is arranged at the top of the crushing box, a dust suction box is arranged on one side of the outside of the feeding port, and the dust suction box is fixedly mounted on one side of the top of the crushing box in a welding manner. A dust suction port is formed in the top end of the side, close to the feeding port, of the dust suction box, a fan is fixedly installed in the dust suction port, a precipitation tank is arranged in the dust suction box, the air outlet end of the fan extends to the position below the liquid level of the bottom end in the precipitation tank through an arranged guide pipe, and an exhaust port is formed in one side of the top of the dust suction box; the dust suction box is arranged on one side of the feeding opening in the top of the crushing box, dust generated in the crushing process is sucked through suction force generated by the draught fan and guided into the precipitation tank through the guide pipe to be subjected to precipitation treatment, and the situation that dust diffuses, influences the surrounding air environment, induces occupational diseases, namely pneumoconiosis and accelerates abrasion of mechanical equipment is avoided; and even coal dust explosion accidents are caused.
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Description

Technical Field

[0001] The utility model belongs to the technical field of coal mining, and in particular relates to a coal mine electromechanical equipment used for coal mining. Background Art

[0002] With the development of the times, people pay more and more attention to coal mining. Coal mining electromechanical equipment is often needed in the process of coal mining. For coal blocks with larger volume, they need to be transported to crushing equipment for crushing.

[0003] At present, the existing coal block crushing device, during use, does not have a dust suction function, resulting in a lot of dust during crushing. The unique properties of coal mine dust particles determine that they are harmful, inducing occupational disease pneumoconiosis, accelerating the wear of mechanical equipment, and even coal dust explosions. For this reason, we propose a coal mine electromechanical equipment for coal mining. Utility Model Content

[0004] The purpose of the utility model is to provide a coal mine electromechanical equipment for coal mining, so as to solve the existing problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal mine electromechanical equipment for coal mining, comprising a crushing box, a dust box and a sedimentation tank, a feeding port is provided on the top of the crushing box, a dust box is provided on the outer side of the feeding port, the dust box is fixedly installed on the top side of the crushing box by welding, a dust port is provided on the top of the dust box close to the feeding port, a fan is fixedly installed inside the dust port, a sedimentation tank is provided inside the dust box, an air outlet of the fan extends to below the liquid level at the inner bottom end of the sedimentation tank through a provided conduit, an exhaust port is provided on the top side of the dust box, and the exhaust port is connected to the inner top end of the sedimentation tank.

[0006] Preferably, two crushing rollers are arranged inside the crushing box, and both ends of the crushing rollers are movably connected to the inner wall of the crushing box through bearings. A driving motor is arranged on one side of the outer side of the crushing box, and the driving motor drives the two crushing rollers through a transmission gear.

[0007] Preferably, a protective net is provided on the outer side of the dust suction port, and the protective net is fixedly installed on the outer side of the dust suction port by welding.

[0008] Preferably, a conveyor belt is provided above one side of the crushing box, and the conveyor belt is installed above one side of the crushing box close to the feed inlet through a bracket, and a baffle is provided on the surface of the conveyor belt.

[0009] Preferably, a lower hopper is provided at the bottom end of the crushing box on a side away from the conveyor belt, and the lower hopper extends obliquely upward to below the crushing roller.

[0010] Preferably, a water inlet is provided on one side of the top of the dust collection box, and the water inlet is connected to the inner top of the sedimentation tank.

[0011] Preferably, a sewage outlet is provided on one side of the bottom end of the dust collection box, and the sewage outlet extends to the interior of the sedimentation tank and is communicated with the interior thereof.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By setting a dust collection box on the top side of the feeding port of the crushing box, the dust generated in the crushing process is absorbed by the suction force generated by the fan, and introduced into the sedimentation tank through a duct for sedimentation treatment, so as to avoid the spread of dust, affect the surrounding air environment, induce occupational pneumoconiosis, accelerate the wear of mechanical equipment, and even coal dust explosion.

[0014] 2. A protective net is set on the outside of the dust suction port to protect the fan, so as to prevent coal blocks from splashing into the dust suction port during the crushing process and being sucked into the fan, causing damage to the internal blades of the fan and affecting the dust suction effect. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a schematic diagram of the structure of the dust collection box of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the dust collection box of the present utility model.

[0018] In the figure: 1. Crushing box; 2. Feeding port; 3. Crushing roller; 4. Driving motor; 5. Conveyor belt; 6. Bracket; 7. Baffle; 8. Lower hopper; 9. Dust suction box; 10. Dust suction port; 11. Protective net; 12. Fan; 13. Conduit; 14. Sedimentation tank; 15. Exhaust port; 16. Water injection port; 17. Sewage outlet. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3 The utility model provides a technical solution of coal mine electromechanical equipment for coal mining: it includes a crushing box 1, a dust box 9 and a sedimentation tank 14, a feeding port 2 is provided on the top of the crushing box 1, a dust box 9 is provided on the outer side of the feeding port 2, the dust box 9 is fixedly installed on the top side of the crushing box 1 by welding, a dust port 10 is provided on the top of the dust box 9 close to the feeding port 2, a fan 12 is fixedly installed inside the dust port 10, a sedimentation tank 14 is provided inside the dust box 9, an air outlet end of the fan 12 extends to below the liquid level at the inner bottom end of the sedimentation tank 14 through a provided conduit 13, an exhaust port 15 is provided on the top side of the dust box 9, and the exhaust port 15 is communicated with the inner top end of the sedimentation tank 14.

[0021] Specifically, two crushing rollers 3 are arranged inside the crushing box 1, and both ends of the crushing rollers 3 are movably connected to the inner wall of the crushing box 1 through bearings. A driving motor 4 is arranged on one side of the outer side of the crushing box 1, and the driving motor 4 drives the two crushing rollers 3 through a transmission gear.

[0022] Specifically, a protective net 11 is provided on the outer side of the dust suction port 10 , and the protective net 11 is fixedly installed on the outer side of the dust suction port 10 by welding.

[0023] Specifically, a conveyor belt 5 is provided above one side of the crushing box 1 . The conveyor belt 5 is installed above one side of the crushing box 1 close to the feed port 2 through a bracket 6 . A baffle 7 is provided on the surface of the conveyor belt 5 .

[0024] Specifically, a lower hopper 8 is provided at the bottom end of the crushing box 1 away from the conveyor belt 5 , and the lower hopper 8 extends obliquely upward to below the crushing roller 3 .

[0025] Specifically, a water injection port 16 is provided on one side of the top of the dust collection box 9 , and the water injection port 16 is communicated with the inner top of the sedimentation tank 14 .

[0026] Specifically, a sewage outlet 17 is provided at one side of the bottom end of the dust collecting box 9 , and the sewage outlet 17 extends to the interior of the sedimentation tank 14 and is communicated with the interior thereof.

[0027] In this embodiment, during use, the coal blocks are transported from the conveyor belt 5 to the top of the feed port 2, and fall from the feed port 2 to the inside of the crushing box 1. The two crushing rollers 3 are driven by the driving motor 4 to rotate relative to each other to crush the coal blocks. The crushed coal blocks slide out of the lower hopper 8. During the crushing process, the dust generated during the crushing process is extracted by the fan 12 inside the dust suction port 10, and is injected into the sedimentation tank 14 through the conduit 13 to be precipitated in the water inside the sedimentation tank 14. The excess air after precipitation is discharged from the exhaust port 15. During the dust suction process, the sputtered coal blocks generated by the crushing are blocked by the protective net 11 to prevent the coal blocks from splashing into the fan 12, causing damage to the blades and affecting the dust suction efficiency.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coal mine electromechanical equipment for coal mining, comprising a crushing box (1), a dust collection box (9) and a sedimentation tank (14), characterized in that: The crushing box (1) is provided with a feed inlet (2) at the top, a dust box (9) is provided on the outside of the feed inlet (2), the dust box (9) is fixedly mounted on the top of the crushing box (1) by welding, a dust inlet (10) is provided at the top of the dust box (9) near the feed inlet (2), a fan (12) is fixedly mounted inside the dust inlet (10), a sedimentation tank (14) is provided inside the dust box (9), an air outlet of the fan (12) extends to below the liquid level at the bottom of the sedimentation tank (14) through a conduit (13), an exhaust port (15) is provided on the top of the dust box (9), and the exhaust port (15) is connected to the top of the sedimentation tank (14).

2. The electromechanical equipment for coal mining according to claim 1, characterized in that: Two crushing rollers (3) are arranged inside the crushing box (1), and the two ends of the crushing rollers (3) are movably connected to the inner wall of the crushing box (1) through bearings. A driving motor (4) is arranged on one side of the outside of the crushing box (1), and the driving motor (4) drives the two crushing rollers (3) through a transmission gear.

3. The electromechanical equipment for coal mining according to claim 1, characterized in that: A protective net (11) is provided on the outside of the dust suction port (10), and the protective net (11) is fixedly mounted on the outside of the dust suction port (10) by welding.

4. The electromechanical equipment for coal mining according to claim 1, characterized in that: A conveyor belt (5) is provided above one side of the crushing box (1); the conveyor belt (5) is installed above one side of the crushing box (1) close to the feed inlet (2) via a bracket (6); a baffle (7) is provided on the surface of the conveyor belt (5).

5. The electromechanical equipment for coal mining according to claim 1, characterized in that: A lower hopper (8) is provided at the bottom end of the crushing box (1) on a side away from the conveyor belt (5), and the lower hopper (8) extends obliquely upward to below the crushing roller (3).

6. The electromechanical equipment for coal mining according to claim 1, characterized in that: A water injection port (16) is provided on one side of the top of the dust collection box (9), and the water injection port (16) is communicated with the inner top of the sedimentation tank (14).

7. The electromechanical equipment for coal mining according to claim 1, characterized in that: A sewage outlet (17) is provided at one side of the bottom end of the dust collection box (9), and the sewage outlet (17) extends to the interior of the sedimentation tank (14) and is in communication with the interior thereof.