Metal mine underground ventilation device

Abstract

The utility model relates to the technical field of ventilation, in particular to a metal mine underground ventilation device which can conveniently filter dust in air exhausted through an exhaust pipe, so that the ventilation effect of the device is improved, and the practicability is improved. A first door is rotatably installed on the outer side wall of the exhaust pipe, the bottom end of the exhaust pipe communicates with a collecting tank, a second door is rotatably installed on the outer side wall of the collecting tank, a through hole is formed in the bottom end in the exhaust pipe, a partition plate is fixedly installed at the top end in the exhaust pipe, and a support is fixedly installed at the bottom end of the partition plate in an inclined mode. A first hole is formed in the middle area of the support in a penetrating mode, and a filter screen plate is slidably installed in the support. And a spraying mechanism is arranged at the top end in the exhaust pipe.

Description

Technical Field

[0001] The present application relates to the technical field of ventilation, and in particular to an underground ventilation device for a metal mine. Background Art

[0002] Existing underground mine ventilation devices are usually only equipped with suction and exhaust devices, while the waste gas generated underground in metal mines contains a large amount of metal dust. Direct discharge will cause serious pollution to the environment and does not meet the requirements of the environmental protection department.

[0003] For example, after searching, the utility model patent with Chinese patent publication number CN219529066U discloses: a metal mine underground ventilation device, including a circulation box, a fixed pipe is movably inserted in the middle of the top of the circulation box, a through hole adapted to the fixed pipe is opened on the circulation box, the top of the fixed pipe is connected to a ventilation box, the bottom end of the ventilation box is funnel-shaped, and the bottom end of the ventilation box is connected to two supporting feet which are respectively symmetrical on the left and right, the other end of the supporting feet is connected to the top of the circulation box, a water circulation mechanism is provided on the ventilation box, the left end of the ventilation box is connected to an air inlet pipe, an exhaust fan is installed on the air inlet pipe, the bottom end of the exhaust fan supports a fixed horizontal plate, one side end of the fixed horizontal plate is connected to the outer wall of the ventilation box, the right end of the ventilation box is connected to an air outlet pipe, and by setting a water circulation mechanism, water can be recycled, which is beneficial to improving the utilization rate of water resources;

[0004] However, the above existing devices still have the following problems in actual use:

[0005] The wind through the air inlet pipe of the above-mentioned existing device will drive the water sprayed by the spray and the combination of water and dust to be discharged through the air outlet pipe, and thus the dust in the wind discharged through the air inlet pipe cannot be filtered, thereby reducing the ventilation effect of the device. Therefore, we propose a metal mine underground ventilation device to solve the above-mentioned problems. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] In view of the deficiencies in the prior art, the present application provides a metal mine underground ventilation device which is convenient for filtering dust in the wind discharged through an exhaust pipe, thereby improving the ventilation effect of the device and improving the practicality.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an underground ventilation device for a metal mine, comprising an exhaust pipe, a first door is rotatably mounted on the outer wall of the exhaust pipe, a collecting tank is connected to the bottom end of the exhaust pipe, a second door is rotatably mounted on the outer wall of the collecting tank, a through hole is opened at the inner bottom end of the exhaust pipe, a partition is fixedly mounted on the inner top end of the exhaust pipe, a bracket is obliquely fixedly mounted on the bottom end of the partition, a first hole is penetrated through the middle area of ​​the bracket, and a filter screen is slidably mounted inside the bracket;

[0010] A spray mechanism is arranged at the inner top of the exhaust pipe.

[0011] Preferably, the spray mechanism includes a plurality of first pipes, each of which is fixedly installed at the inner top of the exhaust duct, the output end of the first pipe is connected to and installed with a plurality of nozzles, each of the first pipes is connected to each other through a second pipe, and a third pipe is installed at the top of one of the first pipes.

[0012] Furthermore, a water pump is fixedly installed at the top of the exhaust pipe, and the output end of the water pump is connected to the top of the third pipe.

[0013] Furthermore, a plurality of protective plates are fixedly mounted on one end of the exhaust duct.

[0014] Based on the above solution, a guide plate is fixedly installed obliquely inside the collecting tank.

[0015] Furthermore, a vertical plate is fixedly installed on the inner bottom end of the exhaust duct.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the present application provides a metal mine underground ventilation device having the following features:

[0018] Beneficial effects:

[0019] The metal mine underground ventilation device is convenient for quickly replacing the filter screen plate through the installation of the bracket and the first hole, and the air discharged through the exhaust pipe is filtered by the filter screen plate, and the impurities filtered by the filter screen plate are collected through the through hole and the collection groove, so that the device can filter the dust in the air discharged through the exhaust pipe, thereby improving the ventilation effect of the device and improving the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of this application;

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of this application;

[0022] Figure 3 For this application Figure 2 The enlarged structural diagram of the middle A part;

[0023] Figure 4 For this application Figure 2 Schematic diagram of the enlarged structure of part B in the middle.

[0024] Markings in the attached drawings: 1. exhaust duct; 2. first door; 3. collecting trough; 4. second door; 5. through hole; 6. partition; 7. bracket; 8. first hole; 9. filter screen; 10. first pipe; 11. nozzle; 12. second pipe; 13. third pipe; 14. water pump; 15. protective plate; 16. guide plate; 17. vertical plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0026] Embodiment 1

[0027] See also Figure 1-4 A metal mine underground ventilation device comprises an exhaust pipe 1, a first door 2 is rotatably mounted on the outer wall of the exhaust pipe 1, a collecting tank 3 is connected and mounted at the bottom end of the exhaust pipe 1, a second door 4 is rotatably mounted on the outer wall of the collecting tank 3, a through hole 5 is opened at the inner bottom end of the exhaust pipe 1, a partition 6 is fixedly mounted on the inner top end of the exhaust pipe 1, a bracket 7 is obliquely fixedly mounted on the bottom end of the partition 6, a first hole 8 is penetrated and opened in the middle area of ​​the bracket 7, a filter screen plate 9 is slidably mounted inside the bracket 7; a water pump 14 is fixedly mounted on the top end of the exhaust pipe 1, an output end of the water pump 14 is connected to the top end of a third pipe 13, and by installing the water pump 14, water supply support is provided to the third pipe 13.

[0028] See also Figure 1-4A spray mechanism is provided at the top of the exhaust pipe 1, and the spray mechanism includes a plurality of first pipes 10, each of which is fixedly mounted at the top of the exhaust pipe 1, and a plurality of nozzles 11 are connected and mounted at the output end of the first pipe 10, and each of the first pipes 10 is connected through a second pipe 12, and a third pipe 13 is connected and mounted at the top of one of the first pipes 10, and water is transmitted through the third pipe 13 and the second pipe 12, and then water passes through the first pipe 10 and is sprayed out through the nozzle 11, and then the wind body inside the exhaust pipe 1 is sprayed, and the underground ventilation device of the metal mine is convenient for quickly replacing the filter screen plate 9 through the installation of the bracket 7 and the first hole 8, and the wind body discharged through the exhaust pipe 1 is filtered through the filter screen plate 9, and the impurities filtered by the filter screen plate 9 are collected through the through hole 5 and the collecting tank 3, so that the device can filter the dust in the wind discharged through the exhaust pipe 1, thereby improving the ventilation effect of the device and improving the practicality.

[0029] See also Figure 1 It should also be noted that a plurality of protective plates 15 are fixedly installed at one end of the exhaust duct 1. By installing the protective plates 15, larger solid objects in the air passing through the exhaust duct 1 can be filtered.

[0030] See also Figure 2 A guide plate 16 is fixedly installed obliquely inside the collecting tank 3. By installing the guide plate 16, the impurities filtered by the filter screen plate 9 are guided.

[0031] See also Figure 2 A vertical plate 17 is fixedly installed at the inner bottom end of the exhaust pipe 1, and the vertical plate 17 is installed to guide the wind filtered by the filter screen plate 9.

[0032] In summary, when the underground ventilation device for metal mines is in use, the exhaust pipe 1 is used to exhaust and ventilate the wind body, the water pump 14 is started, power is outputted through the water pump 14, and water is sprayed out through the nozzle 11 after passing through the third pipe 13, the second pipe 12 and the first pipe 10, the sprayed water body contacts the wind body inside the exhaust pipe 1, and the dust in the wind body contacts the water, and filtering is performed through the filter plate 9, and the filtered impurities pass through the through hole 5 and then pass through the collecting tank 3 for collection, and the impurities collected through the collecting tank 3 are cleaned by opening the second door 4.

[0033] Although the embodiments of the present application 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 application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A metal mine underground ventilation device, comprising an exhaust pipe (1), characterized in that: A first door (2) is rotatably mounted on the outer wall of the exhaust duct (1), a collecting tank (3) is connected to the bottom end of the exhaust duct (1), a second door (4) is rotatably mounted on the outer wall of the collecting tank (3), a through hole (5) is provided at the inner bottom end of the exhaust duct (1), a partition (6) is fixedly mounted on the inner top end of the exhaust duct (1), a bracket (7) is obliquely fixedly mounted on the bottom end of the partition (6), a first hole (8) is penetrated through the middle area of ​​the bracket (7), and a filter screen (9) is slidably mounted inside the bracket (7); A spray mechanism is arranged at the inner top end of the exhaust pipe (1).

2. A metal mine underground ventilation device according to claim 1, characterized in that: The spray mechanism comprises a plurality of first pipes (10), each of which is fixedly mounted on the top end of the exhaust pipe (1), the output end of the first pipe (10) is connected to a plurality of spray heads (11) mounted thereon, each of the first pipes (10) is connected to each other via a second pipe (12), and a third pipe (13) is mounted on the top end of one of the first pipes (10).

3. A metal mine underground ventilation device according to claim 2, characterized in that: A water pump (14) is fixedly mounted on the top end of the exhaust pipe (1), and the output end of the water pump (14) is connected to the top end of the third pipe (13).

4. The underground ventilation device for a metal mine according to claim 3, characterized in that: A plurality of protective plates (15) are fixedly mounted on one end of the exhaust pipe (1).

5. The underground ventilation device for a metal mine according to claim 4, characterized in that: A guide plate (16) is fixedly installed obliquely inside the collecting tank (3).

6. The underground ventilation device for a metal mine according to claim 5, characterized in that: A vertical plate (17) is fixedly mounted on the inner bottom end of the exhaust pipe (1).

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