Coal mine dust filtering and ventilating device

By using an electric push rod to drive the U-shaped plate to rise and the nozzle to spray cleaning agent in the coal mine dust filtration and ventilation device, the problem of difficult dust cleaning of the filter holes was solved, achieving efficient dust filtration and removal of large particulate impurities, and improving the operation of the ventilation system.

CN223716695UActive Publication Date: 2025-12-26赵志杰
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423196098.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-26
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

In existing coal mine ventilation systems, dust is difficult to clean from the filter plates and filter holes, resulting in poor filtration and ventilation effects, and large particles of impurities entering the system also affect the filtration efficiency.

Method used

A dust filtration and ventilation device for coal mines was designed, comprising a shell, a first filter screen, a second filter screen, a water distribution plate, and nozzles. The U-shaped plate is raised and lowered by an electric push rod, and the nozzles spray cleaning agent to clean the dust from the clogged filter holes and remove large particulate impurities through the preliminary filter screen.

Benefits of technology

It effectively cleans dust from clogged filter pores, improves filtration and ventilation, prevents large particles from entering, and ensures the efficient operation of the ventilation system.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223716695U_ABST
    Figure CN223716695U_ABST
Patent Text Reader

Abstract

The utility model discloses a coal mine dust filtering and ventilating device, and particularly relates to the technical field of coal mine ventilation, the coal mine dust filtering and ventilating device comprises a shell, the top surface of the inner wall of the shell is connected with a pair of bearing seats, the middle position of the pair of bearing seats is rotatably connected with a fan blade, and one end of the fan blade is provided with a driving mechanism; a second filter screen is connected to the top surface of the inner wall of the shell, a U-shaped plate is connected to the interiors of a second through hole and a third through hole in a penetrating mode, a water distribution plate is embedded into the right side of the U-shaped plate, a plurality of spray heads are connected to the front side of the water distribution plate, and when the second filter screen is blocked, an electric push rod drives a top plate and the U-shaped plate to descend; u-shaped plates cover the two sides of the second filter screen, then a water pump is started, and a cleaning agent in a cleaning agent storage box is discharged into a water distribution plate through a water pipe and then sprayed out through a plurality of spray heads, so that the cleaning agent can be uniformly sprayed on the second filter screen, and dust blocking filter holes of the second filter screen can be conveniently cleaned.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine ventilation technical field, concretely relates to a coal mine dust filtering ventilation device. BACKGROUND

[0002] The main reason of coal mine dust filtering ventilation is to guarantee the health and safety of coal mine workers, due to the narrow mine space, leading to the air quality in the mine is very poor, and a large amount of dust will be produced in the production process of coal mine, which not only affects the health of workers, but also may cause explosion and other safety accidents, which constitutes a serious threat to the safety production and environmental protection of mine, long-term inhalation of coal dust may cause lung fibrosis and cause pneumoconiosis, which will cause serious damage to the health of workers.

[0003] A coal mine ventilation device (publication number CN211524869U) is disclosed in Chinese patent, the patent technology drives the reciprocating screw rod to rotate through the rotation of the second driving motor, the reciprocating screw rod drives the reciprocating sliding block and the cleaning plate to reciprocate on the surface of the filter plate, so as to drive the hook-shaped scraper to scrape on the surface of the filter plate, and effectively scrape the dust on the surface of the filter plate into the dust receiving box below the dust outlet, effectively prevent the filter plate from being blocked due to too much dust, but the hook-shaped scraper scrapes along the surface of the filter plate, only the dust on the surface of the filter plate can be scraped, and the dust blocked in the filter hole of the filter plate is difficult to clean, resulting in poor filtering ventilation effect. UTILITY MODEL CONTENT

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0005] A coal mine dust filtering ventilation device, comprising:

[0006] The top of the shell is provided with a first through hole, a second through hole and a third through hole from left to right, a pair of bearing seats is connected to the inner wall top surface of the shell near the first through hole, a fan blade is rotatably connected to the middle position of the pair of bearing seats, a driving mechanism is arranged at one end of the fan blade, a second filter screen is connected to the inner wall top surface of the shell at the middle position between the second through hole and the third through hole, a U-shaped plate is connected through the inside of the second through hole and the third through hole, a water distribution plate is embedded in the right side of the U-shaped plate, a plurality of spray heads are connected to the front side of the water distribution plate, a feeding mechanism is arranged on the back side of the water distribution plate, and a lifting mechanism is arranged on the top of the U-shaped plate.

[0007] The left and right sides of the shell are connected with a first filter screen.

[0008] In a possible implementation, the feeding mechanism comprises a cleaning agent storage tank and a water pump, the bottom of the cleaning agent storage tank and the bottom of the water pump are fixedly connected with the shell, the two sides of the water pump are connected with water pipes, one end of the water pipe on the left side is fixedly connected with the water distribution plate, and one end of the water pipe on the right side is fixedly connected with the cleaning agent storage tank.

[0009] In a possible implementation, the lifting mechanism comprises a pair of top plates, the bottom of the top plate is fixedly connected with the U-shaped plate, and the two sides of the top plate are connected with electric push rods, and the bottom of the electric push rod is fixedly connected with the shell.

[0010] In a possible implementation, the bottom of the shell is provided with a sewage outlet, and the sewage outlet is located directly below the second filter screen.

[0011] In a possible implementation, the position of the water distribution plate corresponds to the position of the second filter screen.

[0012] In a possible implementation, the driving mechanism comprises a servo motor, the bottom of the servo motor is fixedly connected with the shell, one end of the output shaft of the servo motor is connected with a first belt pulley, the outer side of the first belt pulley is sleeved with a belt, the inner side of the belt is connected with a second belt pulley, and the inner ring of the second belt pulley is fixedly connected with the fan blade.

[0013] In a possible implementation, the belt penetrates the inside of the first through hole.

[0014] In the above technical solution, the technical effects and advantages of the utility model are provided.

[0015] 1. By setting the water distribution plate and the spray head, when the second filter screen is blocked, the top plate and the U-shaped plate are driven to descend by the electric push rod, the U-shaped plate is covered on both sides of the second filter screen, then the water pump is started, the cleaning agent in the cleaning agent storage tank is discharged into the water distribution plate through the water pipe, and then is sprayed out through the plurality of spray heads, which is beneficial to uniformly spray the cleaning agent on the second filter screen, facilitates cleaning the dust blocked in the filter holes of the second filter screen, and solves the problem that the dust blocked in the filter holes of the filter plate is difficult to clean.

[0016] 2. By setting the first filter screen on the two sides of the shell, it is beneficial to preliminarily filter out large particle impurities, so as to avoid that the large particle impurities enter the inside of the shell and affect the filtering and ventilation effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0018] Figure 1 This is one of the overall structural schematic diagrams of this utility model;

[0019] Figure 2 This is the second schematic diagram of the overall structure of this utility model;

[0020] Figure 3 This is a side sectional view of the outer casing of this utility model;

[0021] Figure 4 This is a schematic diagram of the connection structure between the water distribution plate and the nozzle of this utility model.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Detergent storage tank; 2. Water pump; 3. Top plate; 4. Electric push rod; 5. U-shaped plate; 6. Housing; 7. Servo motor; 8. Belt; 9. First pulley; 10. First filter screen; 11. Drain outlet; 12. First through hole; 13. Second pulley; 14. Bearing seat; 15. Fan blade; 16. Second filter screen; 17. Water distribution plate; 18. Water pipe; 19. Second through hole; 20. Nozzle; 21. Third through hole. Detailed Implementation

[0024] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0025] This application provides a coal mine dust filtration and ventilation device to solve the problems in the prior art.

[0026] The technical solution in this application is to solve the above problems, and the overall approach is as follows:

[0027] like Figures 1-4 As shown, a coal mine dust filtration and ventilation device includes:

[0028] The shell 6, the top of the shell 6 is provided with a first through hole 12, a second through hole 19 and a third through hole 21 from left to right respectively, the inner wall top surface of the shell 6 is connected with a pair of bearing seats 14 near the position of the first through hole 12, a fan blade 15 is rotatably connected to the middle position of the pair of bearing seats 14, one end of the fan blade 15 is provided with a driving mechanism, the inner wall top surface of the shell 6 is connected with a second filter screen 16 at the middle position between the second through hole 19 and the third through hole 21, a U-shaped plate 5 is connected through the inside of the second through hole 19 and the third through hole 21, a water distribution plate 17 is embedded in the right side of the U-shaped plate 5, a plurality of spray heads 20 are connected to the front side of the water distribution plate 17, a feeding mechanism is arranged on the back side of the water distribution plate 17, a lifting mechanism is arranged on the top of the U-shaped plate 5;

[0029] The left and right sides of the shell 6 are connected with a first filter screen 10, which is beneficial to preliminarily filter out large-particle impurities and avoid the large-particle impurities from entering the inside of the shell 6, thereby affecting the filtering and ventilation effect.

[0030] In some examples, the feeding mechanism includes a cleaning agent storage tank 1 and a water pump 2, the bottom of the cleaning agent storage tank 1 and the water pump 2 is fixedly connected with the shell 6, the two sides of the water pump 2 are connected with water pipes 18, one end of the left water pipe 18 is fixedly connected with the water distribution plate 17, one end of the right water pipe 18 is fixedly connected with the cleaning agent storage tank 1, the water pump 2 is opened, the cleaning agent in the cleaning agent storage tank 1 is discharged into the water distribution plate 17 through the water pipe 18, and then is sprayed out through the plurality of spray heads 20, which is beneficial to uniformly spray the cleaning agent on the second filter screen 16 and facilitate cleaning the dust blocked in the filter holes of the second filter screen 16.

[0031] In some examples, the lifting mechanism includes a pair of top plates 3, the bottom of the top plate 3 is fixedly connected with the U-shaped plate 5, the two sides of the top plate 3 are connected with electric push rods 4, the bottom of the electric push rod 4 is fixedly connected with the shell 6, when the device is filtering and ventilating, the top plate 3 and the U-shaped plate 5 are lifted by the electric push rod 4, thereby avoiding the U-shaped plate 5 from affecting the normal filtering and ventilation, after the filtering and ventilation is completed, the top plate 3 and the U-shaped plate 5 are lowered by the electric push rod 4, and the U-shaped plate 5 is covered on the two sides of the second filter screen 16.

[0032] In some examples, the bottom of the shell 6 is provided with a sewage outlet 11, the position of the sewage outlet 11 is located directly below the second filter screen 16, by arranging the sewage outlet 11, the sewage after cleaning the second filter screen 16 is conveniently discharged.

[0033] In some examples, the position of the water distribution plate 17 corresponds to the position of the second filter screen 16, which is beneficial to uniformly spraying the cleaning agent on the second filter screen 16 by the spray heads 20 on one side of the water distribution plate 17.

[0034] The utility model discloses a filter ventilation device, including shell 6, the second filter screen 16, water pump 2, water storage tank 1, water pipe 18, water distribution plate 17, a plurality of spray heads 20, blow-off port 11, electric push rod 4 and top plate 3, the top plate 3 is fixedly connected with the shell 6, and the bottom of the second filter screen 16 is fixedly connected with the top plate 3, and the bottom of the water pump 2 is fixedly connected with the second filter screen 16, and the water storage tank 1 is fixedly connected with the second filter screen 16, and the water pipe 18 is connected with the water storage tank 1, and the water distribution plate 17 is connected with the water pipe 18, and the plurality of spray heads 20 are connected with the water distribution plate 17, and the blow-off port 11 is connected with the water distribution plate 17, and the electric push rod 4 is connected with the top plate 3, and the U-shaped plate 5 is connected with the top plate 3.

[0035] As Figures 1-3 The driving mechanism includes servo motor 7, the bottom of servo motor 7 is fixedly connected with shell 6, one end of servo motor 7 output shaft is connected with first belt pulley 9, the outside of first belt pulley 9 is equipped with belt 8, the inside of belt 8 is connected with second belt pulley 13, and the inner ring of second belt pulley 13 is fixedly connected with fan blade 15.

[0036] In some examples, the belt 8 penetrates the inside of the first through hole 12.

[0037] The utility model discloses a filter ventilation device, including shell 6, the second filter screen 16, water pump 2, water storage tank 1, water pipe 18, water distribution plate 17, a plurality of spray heads 20, blow-off port 11, electric push rod 4 and top plate 3, the top plate 3 is fixedly connected with the shell 6, and the bottom of the second filter screen 16 is fixedly connected with the top plate 3, and the bottom of the water pump 2 is fixedly connected with the second filter screen 16, and the water storage tank 1 is fixedly connected with the second filter screen 16, and the water pipe 18 is connected with the water storage tank 1, and the water distribution plate 17 is connected with the water pipe 18, and the plurality of spray heads 20 are connected with the water distribution plate 17, and the blow-off port 11 is connected with the water distribution plate 17, and the electric push rod 4 is connected with the top plate 3, and the U-shaped plate 5 is connected with the top plate 3, and the U-shaped plate 5 is connected with the top plate 3.

[0038] The above only describes some exemplary embodiments of the utility model through the description mode, and it is needless to say that for ordinary skilled person in the art, under the condition of not deviating from the spirit and scope of the utility model, the described embodiment can be modified in various different modes. Therefore, the above drawing and description are illustrative in nature and should not be understood as limiting the scope of protection claimed by the utility model.

Claims

1. A coal mine dust filtration ventilation device, characterised in that, Include: The top of the shell (6) is provided with a first through hole (12), a second through hole (19) and a third through hole (21) from left to right respectively, the inner wall top surface of the shell (6) is connected with a pair of bearing seat (14) near the position of the first through hole (12), a pair of bearing seat (14) is rotatably connected with the middle position of the fan blade (15), the inner wall top surface of the shell (6) is connected with the second filter screen (16) at the middle position of the second through hole (19) and the third through hole (21), the inside of the second through hole (19) and the third through hole (21) is connected with U-shaped plate (5), the right side of the U-shaped plate (5) is embedded with water distribution plate (17), the front side of the water distribution plate (17) is connected with a plurality of spray head (20), the back side of the water distribution plate (17) is provided with a feeding mechanism, the top of the U-shaped plate (5) is provided with lifting mechanism. The left and right sides of the shell (6) are connected with the first filter screen (10).

2. The coal mine dust filtration ventilation device according to claim 1, characterized in that: The feeding mechanism includes a cleaning agent storage tank (1) and a water pump (2), the bottom of the cleaning agent storage tank (1) and the water pump (2) is fixedly connected with the shell (6), the both sides of the water pump (2) is connected with water pipe (18), the left side of the water pipe (18) is fixedly connected with the water distribution plate (17), the right side of the water pipe (18) is fixedly connected with the cleaning agent storage tank (1).

3. The coal mine dust filtration ventilation device according to claim 1, characterized in that: The lifting mechanism includes a pair of top plate (3), the bottom of the top plate (3) is fixedly connected with the U-shaped plate (5), the both sides of the top plate (3) is connected with electric push rod (4), the bottom of the electric push rod (4) is fixedly connected with the shell (6).

4. The coal mine dust filtration ventilation device according to claim 1, characterized in that: The bottom of the shell (6) is provided with sewage outlet (11), the position of the sewage outlet (11) is located directly below the second filter screen (16).

5. The coal mine dust filtration ventilation device according to claim 1, characterized in that: The position of the water distribution plate (17) corresponds to the position of the second filter screen (16).

6. The coal mine dust filtration ventilation device according to claim 1, characterized in that: The driving mechanism includes servo motor (7), the bottom of the servo motor (7) is fixedly connected with the shell (6), the output shaft of the servo motor (7) is connected with the first belt pulley (9) at one end, the outer side of the first belt pulley (9) is sleeved with belt (8), the inner side of the belt (8) is connected with the second belt pulley (13), the inner ring of the second belt pulley (13) is fixedly connected with the fan blade (15).

7. A coal mine dust filtration ventilation device according to claim 6, characterised in that: The belt (8) penetrates the inside of the first through hole (12).

Citation Information

Patent Citations

  • Coal mine ventilation device

    CN211524869U