Randomly-movable coal mining machine spraying and dust-settling system

By designing a randomly movable coal miner spray dust reduction system, the high-pressure water pump and hose system can be used to achieve uniform spray dust reduction of coal mining dust, and adjust the nozzle height through electric push cylinders and limit sleeves, solving the inability to adjust the real-time situation of traditional equipment. The problem has improved the dust removal effect.

CN119102618APending Publication Date: 2024-12-10SHENHUA SHENDONG COAL GRP +2
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Patent Information

Application Number
CN202411431030.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2024-12-10

AI Technical Summary

Technical Problem

The spray dust reduction equipment of traditional coal mining machines is fixed on the coal mining machine, and cannot be adjusted in real time according to the actual dust concentration, resulting in poor dust removal effect at high dust concentrations.

Method used

A randomly movable coal miner spray dust reduction system is designed, including a water storage tank, electric push cylinder, limit slide rod, dust reduction nozzle and nozzle. The uniform spray dust reduction of coal mining dust is achieved through high-pressure water pump and hose system. , and adjust the nozzle height through electric push cylinder and limit sleeve to adapt to different dust concentrations.

Benefits of technology

It realizes effective atomization and dust reduction for coal mining dust, and adjusts the nozzle height according to the dust concentration, improving the dust removal effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a coal mining machine spraying dust-settling system capable of moving randomly, and belongs to the technical field of coal mine dust prevention. A placement groove is formed in the upper surface of the coal mining machine main body, an electric push cylinder is fixedly connected to the inner bottom wall of the placement groove, and a water storage tank is fixedly connected to the top end of the electric push cylinder. Through the arrangement of the water storage tank, the high-pressure water pump, the water drainage pipe, the three-way water pipe, the dust falling spraying pipe, the first dust falling spraying head, the T-shaped water spraying pipe, the water spraying branch pipe and the second dust falling spraying head, water liquid in the water storage tank can be pumped through work of the high-pressure water pump, and the water liquid is evenly atomized and sprayed out through the dust falling spraying pipe, the first dust falling spraying head, the water spraying branch pipe and the second dust falling spraying head; and through the arrangement of an electric push cylinder, a supporting spring, a limiting sliding rod and a limiting sleeve, a water storage tank can be driven to move up and down, the height of a low-pressure dust falling spray head and the height of a second dust falling spray head are adjusted, and dust removal operation on coal mining dust with different concentrations is facilitated.
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Description

Technical Field

[0001] The invention belongs to the technical field of coal mine dust prevention and relates to a randomly movable coal mining machine spray dust reduction system. Background Art

[0002] The dust generated by coal cutting by coal mining machines is one of the main dust sources in the comprehensive mining face. The dust generation intensity is high and the diffusion range is wide. The diffusion area covers the entire area of ​​​​the workers. These dusts not only cause harm to the health of miners, but also may cause reduced visibility in the mine and affect the normal operation of the coal mining machine. Therefore, dust removal and dust reduction measures are needed to remove dust while mining.

[0003] Traditional coal mining machine dust removal equipment generally has spray dust reduction equipment to spray coal mining dust, but the above-mentioned spray dust reduction still has certain shortcomings when used. The spray dust reduction equipment is generally fixed on the coal mining machine and cannot be adjusted in real time according to the actual coal mining dust concentration. When the dust concentration is high, it is difficult to meet the dust removal needs, resulting in poor dust removal effect. For this reason, we provide a randomly movable coal mining machine spray dust reduction system to solve the above problems. Summary of the invention

[0004] In view of this, the purpose of the present invention is to provide a randomly movable coal mining machine spray dust reduction system, which solves the problem that traditional coal mining machine dust removal equipment generally has spray dust reduction equipment to spray coal mining dust, but the above-mentioned spray dust reduction still has certain shortcomings when used. The spray dust reduction equipment is generally fixed on the coal mining machine and cannot be adjusted in real time according to the actual coal mining dust concentration. When the dust concentration is high, it is difficult to meet the dust removal needs, resulting in poor dust removal effect.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] The randomly movable coal mining machine spray dust suppression system comprises a coal mining machine body, the upper surface of which is provided with a placement groove, the inner bottom wall of the placement groove is fixedly connected with an electric push cylinder, the top of the electric push cylinder is fixedly connected with a water tank, the upper surface of the water tank is fixedly inlaid with a water level monitoring sensor, the left and right side surfaces of the water tank are fixedly connected with two limit sleeves, the inner bottom wall of the placement groove is fixedly connected with two groups of limit sliding rods, the top of each limit sliding rod passes through the limit sleeve and extends to the top of the limit sleeve, the left side of the water tank is fixedly connected with a water injection pipe, the upper surface of the water injection pipe is fixedly connected with a control water valve, the upper surface of the coal mining machine body is fixedly connected with a support frame, the left side of the support frame is fixedly connected with a hose reel, and the interior of the hose reel is provided with a high A high-pressure water delivery hose, the input end of the high-pressure water delivery hose is fixedly connected with a connecting water head, the output end of the high-pressure water delivery hose is fixedly connected with a telescopic soft water pipe, the output end of the telescopic soft water pipe is fixedly connected with the input end of the water injection pipe, the inner top wall of the water storage tank is fixedly connected with a mounting bracket, the bottom surface of the mounting bracket is fixedly inlaid with a high-pressure water pump, the input end of the high-pressure water pump is fixedly connected with a water suction pipe, the output end of the high-pressure water pump passes through the water storage tank and is fixedly connected with a three-way water pipe, the two output ends of the three-way water pipe are respectively fixedly connected with a T-shaped water spray pipe and a dust reduction nozzle, the output end of the dust reduction nozzle is fixedly connected with a first dust reduction nozzle, the outer surface of the T-shaped water spray pipe is fixedly connected with two groups of symmetrical water spray branches, and the output end of each of the water spray branches is fixedly connected with a second dust reduction nozzle.

[0007] As a preferred technical solution of the present invention, a protective shell is fixedly connected to the front of the water tank, a PLC controller is fixedly connected to the inner wall of the protective shell, and the PLC controller is electrically connected to the high-pressure water pump, the water level monitoring sensor and the control water valve through wires.

[0008] As a preferred technical solution of the present invention, an observation frame is fixedly embedded on the front of the water tank, and a set of scales is opened on the front of the observation frame.

[0009] As a preferred technical solution of the present invention, a stabilizing block is fixedly connected to the back of the support frame, and the bottom surface of the stabilizing block is fixedly connected to the upper surface of the coal mining machine body.

[0010] As a preferred technical solution of the present invention, a group of protective support plates are fixedly connected to the left and right sides of the coal mining machine body, and a protective rubber pad is fixedly connected to the side of each protective support plate away from the coal mining machine body.

[0011] As a preferred technical solution of the present invention, two sets of protective corner guards are fixedly connected to the outer surface of the water storage tank, and the protective corner guards are made of silicone material.

[0012] As a preferred technical solution of the present invention, the bottom surface of the T-shaped water spray pipe is fixedly connected with two groups of support blocks, the bottom surface of each of the support blocks is fixedly connected with two support rods, and the bottom end of each of the support rods is fixedly connected to the upper surface of the water tank.

[0013] As a preferred technical solution of the present invention, an arc-shaped support rod is fixedly connected to the back of the water storage tank, and the top end of the arc-shaped support rod is fixedly connected to the bottom surface of the dust suppression nozzle.

[0014] As a preferred technical solution of the present invention, the outer surface of each limiting slide rod is sleeved with a support spring, the bottom end of each support spring is fixedly connected to the inner bottom wall of the placement groove, and the top end of each support spring is fixedly connected to the bottom surface of the limiting sleeve.

[0015] As a preferred technical solution of the present invention, the top end of each of the limit sliding rods is fixedly connected to a limit plate, and the limit plate is made of metal.

[0016] The beneficial effects of the present invention are:

[0017] (1) The randomly movable coal mining machine spray dust reduction system, by arranging a water storage tank, a high-pressure water pump, a drainage pipe, a three-way water pipe, a dust reduction nozzle, a first dust reduction nozzle, a T-shaped water spray pipe, a water spray branch pipe and a second dust reduction nozzle, can use the high-pressure water pump to extract water from the water storage tank, and evenly spray it out through the dust reduction nozzle pipe, the first dust reduction nozzle, the water spray branch pipe and the second dust reduction nozzle, so as to achieve effective atomization dust reduction of coal mining dust, and through the electric push cylinder, support spring, limit slide rod and limit sleeve, the water storage tank can be driven to move up and down, so as to adjust the height of the low-pressure dust reduction nozzle and the second dust reduction nozzle, so as to facilitate the dust removal operation of coal mining dust with different concentrations.

[0018] (2) The randomly movable coal mining machine spray dust suppression system, through the set support frame, stabilizing block, hose reel, high-pressure water hose and telescopic soft water pipe, can realize the unwinding operation of the high-pressure soft water pipe when the coal mining machine moves slowly, so that the water storage tank can follow the movement of the coal mining machine and facilitate the effective dust suppression operation of coal mining dust.

[0019] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the following examination and study, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be described in detail below in conjunction with the accompanying drawings, wherein:

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the randomly movable coal mining machine spray dust reduction system of the present invention;

[0022] Figure 2 is a side view of a water storage tank of the present invention;

[0023] Figure 3 It is a rear view of the water storage tank of the present invention;

[0024] Figure 4 A sectional view of a side view of a water storage tank of the present invention;

[0025] Figure 5 It is a bottom view of the water storage tank of the present invention.

[0026] Figure numerals: 1, coal mining machine body; 2, support frame; 3, hose reel; 4, high-pressure water hose; 5, connecting water head; 6, PLC controller; 7, protective shell; 8, scale; 9, observation frame; 10, support rod; 11, support block; 12, three-way water pipe; 13, T-shaped water pipe; 14, water branch pipe; 15, second dust suppression nozzle; 16, dust suppression nozzle; 17, first dust suppression nozzle; 18, protective corner guard ; 19. Limit plate; 20. Limit slide bar; 21. Water tank; 22. Protective support plate; 23. Protective rubber pad; 24. Control water valve; 25. Telescopic soft water pipe; 26. Stabilizing block; 27. Support spring; 28. Electric push cylinder; 29. ​​Limit sleeve; 30. Arc support rod; 31. Water level monitoring sensor; 32. Water injection pipe; 33. Placement groove; 34. Mounting bracket; 35. High-pressure water pump; 36. Pumping pipe. DETAILED DESCRIPTION

[0027] The following describes the embodiments of the present invention by specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the illustrations provided in the following embodiments only illustrate the basic concept of the present invention in a schematic manner, and the following embodiments and features in the embodiments can be combined with each other without conflict.

[0028] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on the present invention. In order to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of actual products. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0029] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "front", "rear", etc. indicate the orientation or position relationship, they are based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0030] See also Figure 1 to Figure 5 In this embodiment: a randomly movable coal mining machine spray dust reduction system comprises a coal mining machine body 1, a placement groove 33 is opened on the upper surface of the coal mining machine body 1, an electric push cylinder 28 is fixedly connected to the inner bottom wall of the placement groove 33, a water storage tank 21 is fixedly connected to the top of the electric push cylinder 28, a water level monitoring sensor 31 is fixedly inlaid on the upper surface of the water storage tank 21, two limit sleeves 29 are fixedly connected to the left and right sides of the water storage tank 21, two groups of limit slide bars 20 are fixedly connected to the inner bottom wall of the placement groove 33, the top of each limit slide bar 20 passes through the limit sleeve 29 and extends to the top of the limit sleeve 29, a water injection pipe 32 is fixedly connected to the left side of the water storage tank 21, a control water valve 24 is fixedly connected to the upper surface of the water injection pipe 32, a support frame 2 is fixedly connected to the upper surface of the support frame 2, a hose reel 3 is fixedly connected to the left side of the support frame 2, and the hose reel 3 is provided inside A high-pressure water hose 4, the input end of which is fixedly connected to a connecting water head 5, the output end of which is fixedly connected to a telescopic soft water pipe 25, the output end of which is fixedly connected to the input end of a water injection pipe 32, the inner top wall of the water storage tank 21 is fixedly connected to a mounting bracket 34, the bottom surface of which is fixedly inlaid with a high-pressure water pump 35, the input end of the high-pressure water pump 35 is fixedly connected to a water suction pipe 36, the output end of the high-pressure water pump 35 passes through the water storage tank 21 and is fixedly connected to a three-way water pipe 12, the two output ends of the three-way water pipe 12 are respectively fixedly connected to a T-shaped water spray pipe 13 and a dust reduction nozzle 16, the output end of the dust reduction nozzle 16 is fixedly connected to a first dust reduction nozzle 17, the outer surface of the T-shaped water spray pipe 13 is fixedly connected to two groups of symmetrical water spray branches 14, and the output end of each water spray branch 14 is fixedly connected to a second dust reduction nozzle 15.

[0031] In this embodiment, a protective shell 7 is fixedly connected to the front of the water tank 21, and a PLC controller 6 is fixedly connected to the inner wall of the protective shell 7. The PLC controller 6 is electrically connected to the high-pressure water pump 35, the water level monitoring sensor 31 and the control water valve 24 through wires, so that coal miners can more conveniently control the spray dust reduction system, which is convenient for spray dust reduction operations on coal mining dust. An observation frame 9 is fixedly inlaid on the front of the water tank 21, and a group of scales 8 are provided on the front of the observation frame 9. The internal situation of the water tank 21 can be observed through the observation frame 9, which is convenient for understanding the specific content of the dust reduction water liquid. A stabilizing block 26 is fixedly connected to the back of the support frame 2, and the bottom surface of the stabilizing block 26 is fixedly connected to the upper surface of the coal mining machine body 1, which can support and fix the support frame 2, which is convenient for the stable use of the hose reel 3.

[0032] A group of protective support plates 22 are fixedly connected to the left and right sides of the coal mining machine body 1, and a protective rubber pad 23 is fixedly connected to the side of each protective support plate 22 away from the coal mining machine body 1, which can increase the protective effect of the outside of the coal mining machine and facilitate the safe use of this spray dust reduction system. Two groups of protective corner guards 18 are fixedly connected to the outer surface of the water tank 21. The protective corner guards 18 are made of silicone material and can protect the outer surface of the water tank 21 to prevent the water tank 21 from being damaged by collision. Two groups of support blocks 11 are fixedly connected to the bottom surface of the T-shaped water spray pipe 13. The bottom surface of each support block 11 is fixedly connected to two support rods 10. The bottom end of each support rod 10 is fixedly connected to the upper surface of the water tank 21, which can support and fix the T-shaped water spray pipe 13, facilitating the stable dust reduction use of the second dust reduction nozzle 15.

[0033] An arc-shaped support rod 30 is fixedly connected to the back of the water tank 21, and the top of the arc-shaped support rod 30 is fixedly connected to the bottom surface of the dust reduction nozzle 16, which can support and fix the dust reduction nozzle 16, and is convenient for the stable use of the first dust reduction nozzle 17. The outer surface of each limiting slide rod 20 is sleeved with a support spring 27, and the bottom end of each support spring 27 is fixedly connected to the inner bottom wall of the placement groove 33. The top of each support spring 27 is fixedly connected to the bottom surface of the limiting sleeve 29, which can elastically support the water tank 21 and facilitate the up and down movement of the water tank 21. The top of each limiting slide rod 20 is fixedly connected to the limiting plate 19. The limiting plate 19 is made of metal and can limit the top of the limiting sleeve 29, which is convenient for the safe up and down adjustment of the water tank 21.

[0034] The working principle and use process of the present invention are as follows: when in use, firstly, the water tank 21 is installed on the coal mining machine through the electric push cylinder 28, the limit sleeve 29, the support spring 27 and the limit slide rod 20, and the water tank 21 is connected with the high-pressure water supply pipe by connecting the water head 5 to fill the water tank 21 with water. When mining coal, the PLC controller 6 is clicked to control the high-pressure water pump 35 to work and extract the dust reduction liquid in the water tank 21 through the water pumping pipe 36, and the dust reduction liquid flows through the three-way water pipe 12, the dust reduction nozzle 16, the T-shaped water spray pipe 13 and the water spray branch pipe 14, and passes through the first dust reduction nozzle 16. The head 17 and the second dust reduction nozzle 15 spray evenly to achieve the spraying and dust reduction of the dust at the coal mining source of the coal mining machine and the mine tunnel space. At the same time, when the coal mining machine moves slowly, the high-pressure water hose 4 is unwound through the hose reel 3 to achieve the movement of the water tank 21 with the coal mining machine. At the same time, the electric push cylinder 28 can be controlled to work according to the different dust concentrations. Through the limiting cooperation of the limiting slide rod 20 and the limiting sleeve 29, the water tank 21 is driven to move up and down, thereby achieving the height adjustment of the first dust reduction nozzle 17 and the second dust reduction nozzle 15, and completing the effective dust reduction operation of coal mining dust.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution, which should be included in the scope of the claims of the present invention.

Claims

1. A randomly movable coal mining machine spray dust suppression system, comprising a coal mining machine body (1), Features: A placement groove (33) is provided on the upper surface of the coal mining machine body (1), an electric push cylinder (28) is fixedly connected to the inner bottom wall of the placement groove (33), a water tank (21) is fixedly connected to the top of the electric push cylinder (28), a water level monitoring sensor (31) is fixedly embedded on the upper surface of the water tank (21), two limit sleeves (29) are fixedly connected to the left and right sides of the water tank (21), and two groups of limit slide bars (20) are fixedly connected to the inner bottom wall of the placement groove (33), each of which is provided with a plurality of limit slide bars (20). The top end of the limit slide bar (20) passes through the limit sleeve (29) and extends to the top of the limit sleeve (29); the left side of the water storage tank (21) is fixedly connected to a water injection pipe (32); the upper surface of the water injection pipe (32) is fixedly connected to a control water valve (24); the upper surface of the coal mining machine body (1) is fixedly connected to a support frame (2); the left side of the support frame (2) is fixedly connected to a hose reel (3); a high-pressure water delivery hose (4) is arranged inside the hose reel (3); the high-pressure water delivery hose (4) is fixedly connected to the upper surface of the coal mining machine body (1); The input end of the hose (4) is fixedly connected to a connecting water head (5); the output end of the high-pressure water delivery hose (4) is fixedly connected to a telescopic soft water pipe (25); the output end of the telescopic soft water pipe (25) is fixedly connected to the input end of a water injection pipe (32); the inner top wall of the water storage tank (21) is fixedly connected to a mounting bracket (34); the bottom surface of the mounting bracket (34) is fixedly inlaid with a high-pressure water pump (35); the input end of the high-pressure water pump (35) is fixedly connected to a water pumping pipe (36); the high-pressure water pump The output end of the water pipe (35) passes through the water storage tank (21) and is fixedly connected to a three-way water pipe (12); the two output ends of the three-way water pipe (12) are respectively fixedly connected to a T-shaped water spray pipe (13) and a dust suppression nozzle (16); the output end of the dust suppression nozzle (16) is fixedly connected to a first dust suppression nozzle (17); the outer surface of the T-shaped water spray pipe (13) is fixedly connected to two groups of symmetrical water spray branches (14); the output end of each water spray branch pipe (14) is fixedly connected to a second dust suppression nozzle (15).

2. The randomly movable coal mining machine spray dust suppression system according to claim 1, Features: The front of the water storage tank (21) is fixedly connected to a protective shell (7), the inner wall of the protective shell (7) is fixedly connected to a PLC controller (6), and the PLC controller (6) is electrically connected to a high-pressure water pump (35), a water level monitoring sensor (31) and a control water valve (24) via wires.

3. The randomly movable coal mining machine spray dust suppression system according to claim 1, Features: An observation frame (9) is fixedly embedded on the front of the water storage tank (21), and a set of scales (8) is provided on the front of the observation frame (9).

4. The randomly movable coal mining machine spray dust suppression system according to claim 1, Features: A stabilizing block (26) is fixedly connected to the back of the support frame (2), and the bottom surface of the stabilizing block (26) is fixedly connected to the upper surface of the coal mining machine body (1).

5. The randomly movable coal mining machine spray dust suppression system according to claim 1, Features: A group of protective support plates (22) are fixedly connected to the left and right sides of the coal mining machine body (1), and a protective rubber pad (23) is fixedly connected to the side of each protective support plate (22) away from the coal mining machine body (1).

6. The randomly movable coal mining machine spray dust suppression system according to claim 1, Features: Two groups of protective corner guards (18) are fixedly connected to the outer surface of the water storage tank (21), and the protective corner guards (18) are made of silica gel.

7. The randomly movable coal mining machine spray dust suppression system according to claim 1, Features: The bottom surface of the T-shaped water spray pipe (13) is fixedly connected to two groups of support blocks (11), the bottom surface of each support block (11) is fixedly connected to two support rods (10), and the bottom end of each support rod (10) is fixedly connected to the upper surface of the water storage tank (21).

8. The randomly movable coal mining machine spray dust suppression system according to claim 1, Features: The back side of the water storage tank (21) is fixedly connected with an arc-shaped support rod (30), and the top end of the arc-shaped support rod (30) is fixedly connected to the bottom surface of the dust suppression nozzle (16).

9. The randomly movable coal mining machine spray dust suppression system according to claim 1, Features: The outer surface of each of the limiting slide bars (20) is sleeved with a support spring (27), the bottom end of each of the support springs (27) is fixedly connected to the inner bottom wall of the placement groove (33), and the top end of each of the support springs (27) is fixedly connected to the bottom surface of the limiting sleeve (29).

10. The randomly movable coal mining machine spray dust suppression system according to claim 1, Features: The top end of each of the limiting sliding rods (20) is fixedly connected to a limiting plate (19), and the limiting plate (19) is made of metal.

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