Coal mine underground ventilation equipment

Abstract

The utility model discloses underground coal mine ventilation equipment, which belongs to the technical field of ventilation equipment and comprises a fan and a purification mechanism, the fan and the purification mechanism are connected with each other through an air duct mechanism, and the bottom of the fan, the bottom of the purification mechanism and the bottom of the air duct mechanism are respectively and fixedly connected with a movable frame. The purification mechanism comprises a purification box and an air outlet pipe fixedly connected to one side of the purification box. According to the utility model, through the arrangement of the purification mechanism, water is filled in the purification box, and air pumped by the fan is discharged after being absorbed by the water, so that the effects of dust removal and purification are achieved, the wettability of the air is increased, and a cooling effect can be achieved; through the arrangement of the air duct mechanism, the acting length of the fan can be prolonged, the fan can be conveniently used in a deeper roadway, through the arrangement of the connecting air pipe, the air duct cloth can be contracted and connected to the connecting air pipe in a sleeving mode, the occupied space is small, storage and arrangement are convenient, the fan is pulled out to be connected when needing to be used, use is flexible, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to a ventilation device, in particular to ventilation equipment underground in a coal mine, belonging to the technical field of ventilation equipment. Background Art

[0002] Coal mines are areas where humans exploit coal resources in coal-rich mining areas. They are generally divided into underground coal mines and open-pit coal mines. When the coal seam is far from the surface, it is generally chosen to dig tunnels underground to mine coal. This is an underground coal mine. The vast majority of coal mines in my country are underground coal mines. Because coal mines are deep, the air cannot flow automatically, and the air underground contains dust and toxic and harmful gases. Therefore, underground ventilation is required, which uses underground ventilation equipment in coal mines. Most of the existing underground ventilation equipment in coal mines is fixed, not flexible enough to use, and there will be some ventilation dead corners. According to the Chinese utility model patent (application number: 202022361051.0), a coal mine underground ventilation device. The underground ventilation device of a coal mine includes a base, an induced draft fan, a filtering mechanism, an exhaust mechanism, an adjusting mechanism and an exhaust mechanism. A water tank is fixedly installed on the top of the base, the induced draft fan is fixedly installed on the top of the base, an air inlet pipe is fixedly installed on the air inlet of the induced draft fan, a first air outlet pipe is fixedly installed on the air outlet of the induced draft fan, a second air outlet pipe is installed on the first air outlet pipe through the filtering mechanism, the second air outlet pipe passes through the top of the water tank and extends to the inside of the water tank, the exhaust mechanism is installed on the water tank, the adjusting mechanism is installed between the third air outlet pipe and the air outlet cylinder, and the exhaust mechanism is installed inside the third air outlet pipe. The underground ventilation device of a coal mine provided by the utility model has the advantages of being able to over-humidify external air, improve air quality, and increase air supply

[0003] However, the device still has the following problems: in some coal mines, there are some tunnels that deviate from the main tunnels and are deep, and the air inside them is not circulated. Although the device can move, it cannot connect to the airflow of the main tunnels and cannot effectively ventilate.

[0004] The utility model proposes a new solution to the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a coal mine underground ventilation device to solve the problem that in some coal mines, some tunnels deviate from the main tunnel and are deep, the air inside them is not circulated, and the above-mentioned device is difficult to ventilate effectively.

[0006] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0007] A ventilation device for underground coal mines, comprising a fan and a purification mechanism installed on one side of the fan, a duct mechanism installed on one side of the purification mechanism, the fan and the purification mechanism and the bottom of the duct mechanism are respectively fixedly connected to a movable frame, the purification mechanism comprises a purification box and an air outlet pipe fixedly connected to one side of the purification box, the other side of the purification box is fixedly connected to an air inlet pipe, one end of the air inlet pipe extends to the inner side of the purification box, the duct mechanism comprises a connecting air duct fixedly connected to the top of the movable frame, an air duct cloth is installed on the outer side of the connecting air duct, the air inlet pipe and the fan are connected to each other by a clamp, and one end of the air duct cloth is connected to the air outlet pipe by the clamp.

[0008] Preferably, a filter screen is installed on the inner side of the air outlet pipe.

[0009] Preferably, a cover plate is rotatably mounted on the top of the purification box via a hinge, and bolts are mounted on the cover plate.

[0010] Preferably, a screw hole that matches the thread of the bolt is formed on the top of the purification box.

[0011] Preferably, a water inlet pipe and a drain pipe located below the water inlet pipe are fixedly connected to the front outer wall of the purification box, and valves are installed on both the water inlet pipe and the drain pipe.

[0012] Preferably, a mounting plate is fixedly connected to one side outer wall of the purification box, and a connecting hole is formed on the mounting plate.

[0013] Preferably, the air inlet end of the air inlet pipe is fixedly connected with a connecting pipe, and the air outlet end of the air inlet pipe is provided with a plurality of air holes.

[0014] Preferably, a mounting bracket installed on the top of the movable frame is fixedly connected to the outer side of the connecting air duct.

[0015] Preferably, the clamp comprises two half-ring clamps rotatably connected to each other via hinges, a clamping groove is provided in the middle of the half-ring clamps, and one ends of the two half-ring clamps are connected to each other via bolts.

[0016] Preferably, the fan, the connecting air duct and one end of the connecting pipe are all fixedly connected with a clamping block.

[0017] The beneficial technical effects of the utility model are as follows: according to the underground ventilation equipment of the coal mine of the utility model, through the setting of the purification mechanism, water is filled in the purification box, and the air drawn in by the fan will be discharged after being absorbed by the water, so as to achieve the effect of dust removal and purification, while increasing the humidity of the air and playing a role in cooling; through the setting of the wind tube mechanism, the effective length of the fan can be extended, which is convenient for use in deeper tunnels, and through the setting of the connecting air duct, the wind tube cloth can be contracted and sleeved on the connecting air duct, occupying less space, which is convenient for storage and arrangement, and can be pulled out and connected when needed, which is flexible to use and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of a preferred embodiment provided by the utility model;

[0019] Figure 2 A schematic diagram of a fan according to a preferred embodiment of the utility model;

[0020] Figure 3 A schematic diagram of a purification mechanism according to a preferred embodiment of the utility model;

[0021] Figure 4 This is a disassembled diagram of a purification mechanism according to a preferred embodiment of the utility model;

[0022] Figure 5 This is a disassembled diagram of a wind tube mechanism according to a preferred embodiment of the utility model;

[0023] Figure 6 The figure is a schematic diagram of a clamp structure according to a preferred embodiment of the utility model.

[0024] In the figure: 1. fan; 2. purification mechanism; 3. air duct mechanism; 4. mobile frame; 5. purification box; 6. air outlet pipe; 7. air inlet pipe; 8. connecting air duct; 9. air duct cloth; 10. clamp; 11. filter screen; 12. cover plate; 13. bolt; 501. screw hole; 502. water inlet pipe; 503. drain pipe; 504. valve; 505. mounting plate; 506. connecting hole; 701. connecting pipe; 702. air hole; 801. mounting frame; 14. semi-ring clamp; 15. clamp groove; 16. clamp block. DETAILED DESCRIPTION

[0025] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0026] like Figure 1-Figure 6As shown, the coal mine underground ventilation equipment provided by this embodiment includes a fan 1 and a purification mechanism 2 installed on one side of the fan 1, a duct mechanism 3 is installed on one side of the purification mechanism 2, the fan 1 and the purification mechanism 2 and the bottom of the duct mechanism 3 are respectively fixedly connected with a movable frame 4, the purification mechanism 2 includes a purification box 5 and an air outlet pipe 6 fixedly connected to one side of the purification box 5, the other side of the purification box 5 is fixedly connected with an air inlet pipe 7, one end of the air inlet pipe 7 extends to the inner side of the purification box 5, the duct mechanism 3 includes a connecting air duct 8 fixedly connected to the top of the movable frame 4, an air duct cloth 9 is installed on the outer side of the connecting air duct 8, the air inlet pipe 7 and the fan 1 are mutually connected by a clamp 10, and one end of the air duct cloth 9 is mutually connected with the air outlet pipe 6 by the clamp 10.

[0027] By setting up the purification mechanism 2, water is filled in the purification box 5, and the air drawn in by the fan 1 will be discharged after being absorbed by the water, so as to achieve the effect of dust removal and purification, while increasing the humidity of the air and having a cooling effect; by setting up the wind tube mechanism 3, the effective length of the fan 1 can be extended, which is convenient for use in deeper alleys. By setting up the connecting air duct 8, the wind tube cloth 9 can be contracted and sleeved on the connecting air duct 8, occupying less space, which is convenient for storage and arrangement, and can be pulled out and connected when needed, which is flexible to use and easy to operate.

[0028] In this embodiment, if Figure 1 , Figure 3 and Figure 4 As shown, a filter screen 11 is installed on the inner side of the air outlet pipe 6, a cover plate 12 is installed on the top of the purification box 5 through a hinge, a bolt 13 is installed on the cover plate 12, and a screw hole 501 is provided on the top of the purification box 5 to threadably cooperate with the bolt 13. The setting of the filter screen 11 can filter out the debris that is not absorbed by the water body, thereby improving the purification quality, and the setting of the cover plate 12 can ensure the airtightness of the purification box 5.

[0029] In this embodiment, if Figure 1 , Figure 3 and Figure 4 As shown, a water inlet pipe 502 and a drain pipe 503 located below the water inlet pipe 502 are fixedly connected to the front outer wall of the purification box 5, and valves 504 are installed on the water inlet pipe 502 and the drain pipe 503. Through the water inlet pipe 502 and the drain pipe 503, it is convenient to add water and discharge sewage.

[0030] In this embodiment, if Figure 1 , Figure 4 and Figure 5As shown, a mounting plate 505 is fixedly connected to the outer wall of one side of the purification box 5, a connecting hole 506 is provided on the mounting plate 505, a connecting pipe 701 is fixedly connected to the air inlet end of the air inlet pipe 7, a plurality of air holes 702 are provided at the air outlet end of the air inlet pipe 7, and a mounting bracket 801 installed on the top of the mobile frame 4 is fixedly connected to the outer side of the connecting air duct 8. The mounting plate 505 can stably support the air inlet pipe 7, the connecting pipe 701 can cooperate with the fan 1, and the mounting bracket 801 can be fixedly connected to the air duct 8.

[0031] In this embodiment, if Figure 1 , Figure 5 and Figure 6 As shown, the clamp 10 includes two half-ring clamps 14 rotatably connected to each other through hinges, a clamping groove 15 is provided in the middle of the half-ring clamp 14, one end of the two half-ring clamps 14 is connected to each other through bolts, and one end of the fan 1 and the connecting air duct 8 and the connecting pipe 701 are fixedly connected with a clamping block 16. The arrangement of the half-ring clamp 14 facilitates loading and unloading, and the arrangement of the clamping groove 15 and the clamping block 16 enables fixation and stability.

[0032] In this embodiment, if Figure 1-Figure 6 As shown, the working process of a ventilation device for underground coal mines provided in this embodiment is as follows:

[0033] Step 1: Move the fan 1 and the purification mechanism 2 to a ventilated place, move the air duct mechanism 3 to the depth of the tunnel, pull out the air duct cloth 9 and connect it to the air outlet pipe 6;

[0034] Step 2: Fill the purification box 5 with water, start the fan 1, and the air drawn in will be absorbed by the water and then discharged from the connecting air duct 8, thereby achieving the functions of dust removal, purification and ventilation, while increasing the humidity of the air and having a cooling effect.

[0035] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. A ventilation device for underground coal mines, characterized in that: The invention comprises a fan (1) and a purification mechanism (2) installed on one side of the fan (1), a wind tube mechanism (3) installed on one side of the purification mechanism (2), the fan (1), the purification mechanism (2) and the bottom of the wind tube mechanism (3) are respectively fixedly connected with a movable frame (4), the purification mechanism (2) comprises a purification box (5) and an air outlet pipe (6) fixedly connected to one side of the purification box (5), the other side of the purification box (5) is fixedly connected with an air inlet pipe (7), one end of the air inlet pipe (7) extends to the inner side of the purification box (5), the wind tube mechanism (3) comprises a connecting air duct (8) fixedly connected to the upper part of the movable frame (4), an air tube cloth (9) is installed on the outer side of the connecting air duct (8), the air inlet pipe (7) and the fan (1) are connected to each other through a clamp (10), and one end of the air tube cloth (9) is connected to the air outlet pipe (6) through the clamp (10).

2. A coal mine underground ventilation device as claimed in claim 1, characterized in that: A filter screen (11) is installed on the inner side of the air outlet pipe (6).

3. The underground ventilation equipment for coal mines according to claim 1, characterized in that: A cover plate (12) is rotatably mounted on the top of the purification box (5) via a hinge, and bolts (13) are mounted on the cover plate (12).

4. A ventilation device for underground coal mines as claimed in claim 3, characterized in that: The top of the purification box (5) is provided with a screw hole (501) threadably matched with the bolt (13).

5. The underground ventilation equipment for coal mines according to claim 1, characterized in that: A water inlet pipe (502) and a drainage pipe (503) located below the water inlet pipe (502) are fixedly connected to the front outer wall of the purification box (5), and valves (504) are installed on both the water inlet pipe (502) and the drainage pipe (503).

6. The underground ventilation equipment for coal mines according to claim 1, characterized in that: A mounting plate (505) is fixedly connected to one side outer wall of the purification box (5), and a connecting hole (506) is provided on the mounting plate (505).

7. The underground ventilation equipment for coal mines according to claim 1, characterized in that: The air inlet end of the air inlet pipe (7) is fixedly connected to a connecting pipe (701), and the air outlet end of the air inlet pipe (7) is provided with a plurality of air holes (702).

8. The underground ventilation equipment for coal mines according to claim 1, characterized in that: The outer side of the connecting air duct (8) is fixedly connected to a mounting frame (801) mounted on the top of the movable frame (4).

9. The underground ventilation equipment for coal mines according to claim 1, characterized in that: The clamp (10) comprises two half-ring clamps (14) rotatably connected to each other via a hinge, a clamping groove (15) is provided in the middle of the half-ring clamp (14), and one end of the two half-ring clamps (14) are connected to each other via a bolt.

10. The underground ventilation equipment for coal mines according to claim 7, characterized in that: The fan (1), the connecting air duct (8), and one end of the connecting pipe (701) are all fixedly connected with a clamping block (16).

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