Ventilation device for coal mine tunneling roadway

Abstract

The ventilation device comprises a base, a ventilation box and a first water pump, the ventilation box is fixedly connected to the top of the base, the first water pump is fixedly connected to the top of the ventilation box, the top of the base is further fixedly connected with a water treatment box, and the top of the water treatment box is fixedly connected with a second water pump. A replacement door is arranged on the side face of the water treatment tank, a water pumping cavity is formed in the water treatment tank and is separated from the water treatment tank through a sealing plate, a filter screen and a filter element are sequentially arranged in the water treatment tank from top to bottom, and the output end of the second water pump extends into the water treatment tank. The input end of the second water pump is connected with a filtering ball through a pipeline, the input end of the first water pump extends into the water pumping cavity through a pipeline, underground waste water can be effectively utilized for spraying and purifying underground air, use is convenient, and more water saving and environmental protection are achieved.

Description

Technical Field

[0001] The utility model relates to a ventilation device for a coal mine excavation tunnel, belonging to the technical field of coal mine ventilation. Background Art

[0002] The basic tasks of mine ventilation are: to supply enough fresh air underground to meet the oxygen needs of personnel; to dilute harmful gases and dust underground to ensure safe production; to regulate the underground climate and create a good working environment. In order to make the underground wind flow flow and distribution along the designated route, it is necessary to build structures to guide and control the wind flow in certain tunnels, namely ventilation facilities, which are divided into facilities for guiding wind flow and blocking wind flow. New large-scale mine ventilation systems are mainly diagonal and partitioned, and the expanded production mines are mainly mixed. However, the existing ventilation devices for coal mine excavation tunnels directly extract and discharge the dust-containing air in the coal mine tunnels, which is easy to pollute the surrounding environment. In addition, a large amount of dust will be generated during construction in the tunnels. Excessive inhalation of dust by workers will cause various lung diseases and endanger the health of the workers. The existing technology mostly uses spraying for treatment, but it is difficult to transport clean water sources in the excavation tunnels. Therefore, the technical personnel in this field provide a ventilation device for coal mine excavation tunnels to solve the problems raised in the above background technology. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a ventilation device for coal mine excavation tunnels, which can effectively utilize the waste water in the mine to spray and purify the air in the mine, is convenient to use, more water-saving and environmentally friendly, and can effectively solve the problems in the background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A ventilation device for coal mine excavation tunnels includes a base, a ventilation box and a first water pump. The ventilation box is fixedly connected to the top of the base, the first water pump is fixedly connected to the top of the ventilation box, the top of the base is also fixedly connected to a water treatment box, the top of the water treatment box is fixedly connected to a second water pump, a replacement door is provided on the side of the water treatment box, a pumping chamber is provided inside the water treatment box, the pumping chamber is separated from the water treatment box by a sealing plate, a filter screen and a filter element are sequentially provided inside the water treatment box from top to bottom, the output end of the second water pump extends into the water treatment box, the input end of the second water pump is connected to a filter ball through a pipeline, and the input end of the first water pump extends into the pumping chamber through a pipeline.

[0006] As a further improvement of the utility model, the front and rear sides of the ventilation box are respectively fixedly connected with an air inlet pipe and an air outlet pipe, and the outer ends of the air inlet pipe and the air outlet pipe are fixedly connected with a dustproof net.

[0007] As a further improvement of the utility model, an air intake fan is arranged inside the air inlet duct, a partition is fixedly connected inside the ventilation box, a spray net is fixedly connected to the left side of the partition, and an exhaust pipe is arranged on the right side of the partition.

[0008] As a further improvement of the present invention, the left end of the exhaust pipe passes through the partition and is arranged below the spray net, and the other end of the exhaust pipe is connected to the air outlet pipe.

[0009] As a further improvement of the utility model, a spray pipe is fixedly connected to the top of the air outlet box, atomizing nozzles are evenly arranged at the bottom of the spray pipe, and the first water pump is connected to the spray pipe through a pipeline.

[0010] As a further improvement of the present invention, a push-pull handle is fixedly connected to the bottom of the base, and a universal wheel is fixedly connected to the bottom of the base.

[0011] The beneficial effects of the utility model are as follows: a ventilation device for coal mine excavation tunnels, which utilizes the existing water source underground to process the dust in the air, utilizes the filter screen and the filter element to purify the wastewater inside the excavation tunnel, effectively solving the problem of the difficulty in transporting clean water sources in the excavation tunnel, and adopts a spraying method to spray and purify the air in the excavation tunnel, effectively reducing the dust in the excavation tunnel, and can effectively utilize the wastewater in the mine to spray and purify the air underground, which is convenient to use and more water-saving and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0013] Figure 1 The utility model discloses a structural diagram of a ventilation device for coal mine excavation tunnel.

[0014] Figure 2 The utility model is a rear view of a ventilation device for coal mine excavation tunnel.

[0015] Figure 3 The utility model discloses an internal structure diagram of a ventilation box of a ventilation device for coal mine excavation tunnel.

[0016] Figure 4 The utility model discloses a structural diagram of a water treatment box of a ventilation device for a coal mine excavation tunnel.

[0017] Numbers in the figure: 1. Base; 2. Ventilation box; 3. Water treatment box; 4. First water pump; 5. Second water pump; 6. Air inlet pipe; 7. Universal wheel; 8. Push-pull handle; 9. Air outlet pipe; 10. Replacement door; 11. Spray pipe; 12. Atomizing nozzle; 14. Dust net; 15. Inlet fan; 16. Exhaust pipe; 17. Filter net; 18. Filter element; 19. Pumping chamber; 20. Filter ball; 21. Spray net. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with specific implementation methods, wherein the accompanying drawings are only used for exemplary descriptions and represent only schematic diagrams rather than actual drawings, and cannot be understood as limitations on this patent. In order to better illustrate the specific implementation methods of the utility model, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted. Based on the specific implementation methods in the utility model, all other specific implementation methods obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, in the description of the utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. The utility model is further explained below in conjunction with specific implementation methods.

[0020] Example

[0021] like Figure 1-4As shown, a ventilation device for coal mine excavation tunnels includes a base 1, a ventilation box 2 and a first water pump 4. The ventilation box 2 is fixedly connected to the top of the base 1, the first water pump 4 is fixedly connected to the top of the ventilation box 2, the top of the base 1 is also fixedly connected to a water treatment box 3, the top of the water treatment box 3 is fixedly connected to a second water pump 5, a replacement door 10 is provided on the side of the water treatment box 3, a pumping chamber 19 is provided inside the water treatment box 3, the pumping chamber 19 is separated from the water treatment box 3 by a sealing plate, a filter screen 17 and a filter element 18 are sequentially provided inside the water treatment box 3 from top to bottom, the output end of the second water pump 5 extends into the water treatment box 3, the input end of the second water pump 5 is connected to a filter ball 20 through a pipeline, and the input end of the first water pump 4 extends into the pumping chamber 19 through a pipeline.

[0022] One end of the replacement door 10 is movably connected to the water treatment box 3 through a hinge, and the other end is snap-connected to the water treatment box 3 through a buckle. A sealing gasket is fixedly connected to the inner wall of the replacement door 10 to prevent water leakage when the replacement door 10 is closed. A support plate for supporting and installing the filter screen 17 and the filter element 18 is provided on the inner wall of the water treatment box 3.

[0023] In this embodiment, the front and rear sides of the ventilation box 2 are respectively fixedly connected with an air inlet pipe 6 and an air outlet pipe 9, and the outer ends of the air inlet pipe 6 and the air outlet pipe 9 are fixedly connected with a dustproof net 14. Furthermore, the mesh diameter of the dustproof net 14 on the air inlet pipe 6 is larger than the mesh diameter of the dustproof net 14 on the air outlet pipe 9, so as to better purify the dust in the air and reduce the dust entering the air outlet pipe 9 and the exhaust pipe 16.

[0024] In this embodiment, an air intake fan 15 is provided inside the air intake pipe 6, a partition is fixedly connected to the inside of the ventilation box 2, a spray net 21 is fixedly connected to the left side of the partition, and an exhaust pipe 16 is provided on the right side of the partition. The air in the underground excavation tunnel enters the ventilation box 2 from the air intake pipe 6 after the air intake fan 15 generates negative pressure.

[0025] In this embodiment, the left end of the exhaust pipe 16 passes through the partition and is arranged below the spray net 21 , and the other end of the exhaust pipe 16 is connected to the air outlet pipe 9 .

[0026] In this embodiment, a spray pipe 11 is fixedly connected to the top of the air outlet box 2, atomizing nozzles 12 are evenly arranged at the bottom of the spray pipe 11, and the first water pump 4 is connected to the spray pipe 11 through a pipeline.

[0027] In this embodiment, a push-pull handle 8 is fixedly connected to the bottom of the base 1 , and a universal wheel 7 is fixedly connected to the bottom of the base 1 .

[0028] The working principle of the utility model is as follows: when in use, the filter ball 20 is firstly prevented from being positioned at the wastewater position of the underground tunnel through the pipeline, and the wastewater is pumped into the water treatment box 3 through the second water pump 5. The wastewater passes through the filter screen 17 and the filter element 18 in turn for purification, and then the sludge, dust and large particles in the wastewater are filtered out. The input pipe of the first water pump 4 extends into the bottom of the water treatment box 3 through the pumping chamber 19, and the purified water is sprayed out from the atomizing nozzle 12 through the first water pump 4 and the spray pipe 11. The air in the underground tunnel is fed into the ventilation box 2 from the air inlet pipe 6 after the negative pressure is generated by the air intake fan 15, and the dust inside the air is adsorbed on the spray net 21. The dust-removed air is discharged from the ventilation box 2 along the exhaust pipe 16 and the air outlet pipe 9, and the air inside the tunnel is dust-removed and purified. After the filter screen 17 and the filter element 18 have been used for a long time, the filter screen 17 and the filter element 18 can be replaced by opening the replacement door 10, which is more convenient to use.

[0029] Through the above technical scheme, the utility model has the following beneficial effects: a ventilation device for coal mine excavation tunnels, which utilizes the existing water source underground to process the dust in the air, utilizes the filter screen 17 and the filter element 18 to purify the wastewater inside the excavation tunnel, effectively solves the problem of difficult transportation of clean water sources in the excavation tunnel, and adopts a spraying method to spray and purify the air in the excavation tunnel, effectively reducing the dust in the excavation tunnel, and can effectively utilize the wastewater in the mine to spray and purify the air underground, which is convenient to use and more water-saving and environmentally friendly.

[0030] The above is a preferred implementation mode of the utility model. The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Technical personnel in this industry should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A ventilation device for coal mine tunneling, comprising a base (1), a ventilation box (2) and a first water pump (4), wherein the ventilation box (2) is fixedly connected to the top of the base (1), and the first water pump (4) is fixedly connected to the top of the ventilation box (2), characterized in that: The top of the base (1) is also fixedly connected to a water treatment box (3), the top of the water treatment box (3) is fixedly connected to a second water pump (5), a replacement door (10) is provided on the side of the water treatment box (3), a water pumping chamber (19) is provided inside the water treatment box (3), the water pumping chamber (19) is separated from the water treatment box (3) by a sealing plate, a filter screen (17) and a filter element (18) are provided in sequence from top to bottom inside the water treatment box (3), the output end of the second water pump (5) extends into the water treatment box (3), the input end of the second water pump (5) is connected to a filter ball (20) through a pipeline, and the input end of the first water pump (4) extends into the water pumping chamber (19) through a pipeline.

2. A ventilation device for coal mine tunneling according to claim 1, characterized in that: The front and rear sides of the ventilation box (2) are respectively fixedly connected with an air inlet pipe (6) and an air outlet pipe (9), and the outer ends of the air inlet pipe (6) and the air outlet pipe (9) are fixedly connected with a dustproof net (14).

3. A ventilation device for coal mine tunneling according to claim 2, characterized in that: An air intake fan (15) is arranged inside the air intake pipe (6), and a partition is fixedly connected inside the ventilation box (2).

4. A ventilation device for coal mine tunneling according to claim 3, characterized in that: The left side of the partition is fixedly connected with a spray net (21), and the right side of the partition is provided with an exhaust pipe (16).

5. A ventilation device for coal mine tunneling according to claim 4, characterized in that: The left end of the exhaust pipe (16) passes through the partition and is arranged below the spray net (21), and the other end of the exhaust pipe (16) is connected to the air outlet pipe (9).

6. A ventilation device for coal mine tunneling according to claim 1, characterized in that: A spray pipe (11) is fixedly connected to the top of the ventilation box (2), atomizing nozzles (12) are evenly arranged at the bottom of the spray pipe (11), and the first water pump (4) is connected to the spray pipe (11) through a pipeline.

7. A ventilation device for coal mine tunneling according to claim 1, characterized in that: A push-pull handle (8) is fixedly connected to the bottom of the base (1), and a universal wheel (7) is fixedly connected to the bottom of the base (1).

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