CN216841766U

CN216841766U - Air pumping and exhausting device for mine ventilation

Info

Publication number: CN216841766U
Application number: CN202220069354.1U
Authority: CN
Inventors: 李富强; 于国志; 郑鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-06-28
Anticipated expiration: 2032-01-12

Abstract

The utility model relates to a mine ventilation technical field discloses a suction extraction device for mine ventilation, the front surface of suction extraction bellows is provided with the business turn over wind gap, and the rear surface of suction extraction bellows is connected with the connecting pipe, the acoustic celotex board is installed through the screw in suction extraction bellows's outside, the outside of acoustic celotex board is provided with the protection pad, and the lower surface symmetry of acoustic celotex board is provided with the gag lever post, the place ahead of suction extraction bellows is provided with and crosses the filter stand, cross the inside of filter stand and seted up the fixed slot, the inside slidable mounting of fixed slot has the filter screen. The filter screen is arranged in the filter frame in a sliding mode, so that when the pumping fan arranged inside the pumping air box works, outside air can enter from the air inlet and the air outlet and can pass through the filter screen firstly, air can be filtered, and the air inside a mine is prevented from polluting the environment through the filter screen when the air is exhausted.

Description

Air pumping and exhausting device for mine ventilation

Technical Field

The utility model relates to a mine ventilation technical field specifically is a pump drainage device for mine ventilation.

Background

The mine ventilation is that fresh air is input into the underground of the mine to increase the oxygen concentration so as to dilute and remove toxic and harmful gases and dust in the mine, and the basic task of the mine ventilation is to supply enough fresh air to the underground so as to meet the requirement of personnel on oxygen; harmful gas and dust in the well are diluted, and safe production is ensured; the underground climate is adjusted, a good working environment is created, in order to enable underground airflow to flow and be distributed along a designated flow, the underground airflow needs to be subjected to air draft and air exhaust, and a fan is generally used for the air draft and the air exhaust.

The chinese patent discloses a colliery is quick pump drainage device of gas in pit (grant notice No. CN 213016440U), this patent technique can realize the quick dismantlement of drainage pipeline, thereby make things convenient for the dismantlement transport of pipeline, and simultaneously, this gas pump drainage device removes dust the operation to the dust at the in-process of drainage gas, avoid the dust to cause the influence to the pump drainage operation of gas, however, this patent can't carry out sound insulation treatment to the pump drainage bellows, make and can produce great noise at the during operation, and its filterable effect is relatively poor when carrying out the pump drainage wind, can't dismantle the change to the filter screen. Accordingly, one skilled in the art provides an air pumping and exhausting device for mine ventilation to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pump drainage device for mine ventilation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a pump drainage device for mine ventilation, includes pump drainage bellows, the front surface of pump drainage bellows is provided with the business turn over wind gap, and the rear surface of pump drainage bellows is connected with the connecting pipe, the acoustic celotex board is installed through the screw in pump drainage bellows's outside, the outside of acoustic celotex board is provided with the protection and fills up, and the lower surface symmetry of acoustic celotex board is provided with the gag lever post, the place ahead of pump drainage bellows is provided with filters the frame, the fixed slot has been seted up to the inside of filtering the frame, the inside slidable mounting of fixed slot has the filter screen.

As a further aspect of the present invention: the upper surface and the lower surface of filter screen all are provided with the slide rail, the inboard of fixed slot is seted up with the mutual gliding spout of slide rail.

As a further aspect of the present invention: the upper surface and the lower surface of the filter frame are both provided with mounting plates, and mounting holes are formed in the upper surfaces of the mounting plates.

As a further aspect of the present invention: the length of slide rail is the same with the length of crossing the filter stand, the spout is seted up in fixed slot inside one third position from the front to the back.

As a further aspect of the present invention: the lower surface of acoustic celotex board is seted up with gag lever post top threaded connection's fixed orifices, the lower extreme of gag lever post is conical setting.

As a further aspect of the present invention: the inside of acoustic celotex board is provided with the acoustical panel, and the inside of acoustic celotex board has the soundproof cotton to fill in the both sides of acoustical panel.

As a further aspect of the present invention: the interior equidistance of acoustical panel is provided with the noise damping post, and the thickness of noise damping plate is three times soundproof cotton thickness.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses install the filter stand in the place ahead of pump drainage bellows to filter stand's inside slidable mounting has the filter screen, when the pump drainage fan that sets up like this in pump drainage bellows inside carries out work, can make external wind get into and can pass through the filter screen earlier when entering from business turn over wind gap, thereby can carry out filtration treatment to the air, also can carry out filtration treatment to the gas through the filter screen when gas outgoing equally, avoid the air inside the mine to cause the pollution to the environment, and the filter screen that should set up is installed through the mode of pulling, thereby be convenient for change it;

2. utilize the screw to install the acoustic celotex board in the outside of pump drainage bellows, and with the top and the fixed orifices threaded connection of gag lever post, the accessible gag lever post increases the stability of pump drainage bellows like this, be provided with the protection pad in the outside of acoustic celotex board, make and protect pump drainage bellows, utilize the inside acoustical panel that sets up of acoustic celotex board simultaneously, and the inside of acoustical panel is provided with the noise damping post, the noise that the during operation of pump drainage bellows produced can be reduced like this, it has soundproof cotton still to fill in the inside of acoustic celotex board, thereby effectual improvement syllable-dividing effect.

Drawings

FIG. 1 is a schematic view of an air pumping and exhausting device for mine ventilation;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view showing an internal structure of an acoustic baffle in an air extraction and drainage apparatus for mine ventilation.

In the figure: 1. a protective pad; 2. a sound insulating board; 3. a pumping bellows; 4. an air inlet and an air outlet; 5. a filter screen; 6. fixing grooves; 7. a filter frame; 8. a connecting pipe; 9. a limiting rod; 10. mounting a plate; 11. a chute; 12. a slide rail; 13. a sound-absorbing panel; 14. sound insulation cotton; 15. a sound deadening column; 16. and (7) fixing holes.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, an air exhaust device for mine ventilation comprises an air exhaust box 3, an air inlet 4 and an air outlet 4 are disposed on a front surface of the air exhaust box 3, a connecting pipe 8 is connected to a rear surface of the air exhaust box 3, a baffle plate 2 is mounted on an exterior of the air exhaust box 3 through a screw, a protection pad 1 is disposed on an exterior of the baffle plate 2, a limit rod 9 is symmetrically disposed on a lower surface of the baffle plate 2, a fixing hole 16 in threaded connection with a top end of the limit rod 9 is disposed on a lower surface of the baffle plate 2, a conical arrangement is disposed at a lower end of the limit rod 9, a sound insulation plate 13 is disposed inside the baffle plate 2, sound insulation cotton 14 is filled inside the baffle plate 2 on two sides of the sound insulation plate 13, sound insulation columns 15 are disposed inside the sound insulation plate 13 at equal intervals, the thickness of the sound insulation plate 13 is three times that of the sound insulation cotton 14, the sound insulation plate 2 can be mounted on the exterior of the air exhaust box 3 through a screw, and with the top and the fixed orifices 16 threaded connection of gag lever post 9, accessible gag lever post 9 increases the stability of pump drainage bellows 3 like this, be provided with protection pad 1 in the outside of acoustic celotex board 2, make and to protect pump drainage bellows 3, utilize the inside acoustical panel 13 that sets up of acoustic celotex board 2 simultaneously, and the inside of acoustical panel 13 is provided with noise damping post 15, can reduce the noise that pump drainage bellows 3 during operation produced like this, it has soundproof cotton 14 still to fill in the inside of acoustic celotex board 2, thereby effectual improvement syllable-dividing effect.

In fig. 1 and 2: the filtering frame 7 is arranged in front of the pumping and exhausting air box 3, the fixing groove 6 is arranged in the filtering frame 7, the filtering net 5 is arranged in the fixing groove 6 in a sliding way, the sliding rails 12 are arranged on the upper surface and the lower surface of the filtering net 5, the sliding groove 11 which slides with the sliding rails 12 is arranged on the inner side of the fixing groove 6, the mounting plate 10 is arranged on the upper surface and the lower surface of the filtering frame 7, the mounting hole is arranged on the upper surface of the mounting plate 10, the length of the sliding rail 12 is the same as that of the filtering frame 7, the sliding groove 11 is arranged in the fixing groove 6 from the front to the rear one third position, the filtering frame 7 is arranged in front of the pumping and exhausting air box 3, and the filtering net 5 is arranged in the filtering frame 7 in a sliding way, so that when the pumping and exhausting fan arranged in the pumping and exhausting air box 3 works, external air can firstly pass through the filtering net 5 when entering from the air inlet and outlet 4, thereby can carry out filtration treatment to the air, also can carry out filtration treatment to gas through filter screen 5 when gas outgoing equally, avoid the inside air of mine to cause the pollution to the environment to the filter screen 5 of this setting is installed through the mode of pulling, thereby is convenient for change it.

The utility model discloses a theory of operation is: when in use, the filter frame 7 is arranged in front of the pumping and exhausting air box 3, namely the tail end of the bolt penetrates through the mounting hole arranged on the upper surface of the mounting plate 10 and is in threaded connection with the limit hole arranged on the upper surface of the pumping and exhausting air box 3, so that the filter frame 7 can be fixedly arranged, the filter screen 5 is arranged in the fixed groove 6 arranged in the filter frame 7 in a sliding way, when the pumping and exhausting fan in the pumping and exhausting air box 3 performs air suction, external air can firstly pass through the filter screen 5 when entering a mine and then enters the mine from the connecting pipe 8, air in the mine can be filtered when entering the mine, when the pumping and exhausting fan performs air exhaust, the air in the mine can be exhausted from the connecting pipe 8 to the outside from the air inlet and outlet 4 and can also pass through the filter screen 5 when being exhausted, so that the pollution of the air in the mine to the environment can be avoided, and the filter screen 5 is arranged in a pulling way, namely, the slide rail 12 slides in the slide groove 11, so that the filter screen 5 can be conveniently replaced, the sound insulation board 2 is installed outside the pumping air box 3 through screws, the sound insulation board 13 is arranged inside the sound insulation board 2, the sound insulation columns 15 are arranged inside the sound insulation board 13 at equal intervals, so that the noise generated during the operation of the pumping air box 3 can be reduced, the sound insulation cotton 14 is filled inside the sound insulation board 2, the protective pad 1 is arranged outside the sound insulation board 2 for effectively improving the sound insulation effect, the pumping air box 3 can be protected, meanwhile, the top end of the limiting rod 9 is in threaded connection with the fixed hole 16, so that the stability of the pumping air box 3 can be improved through the limiting rod 9, and the work of the pumping air box 3 is convenient.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a pump drainage device for mine ventilation, includes pump drainage bellows (3), its characterized in that, the front surface of pump drainage bellows (3) is provided with business turn over wind gap (4), and the rear surface of pump drainage bellows (3) is connected with connecting pipe (8), acoustic celotex board (2) are installed through the screw to the outside of pump drainage bellows (3), the outside of acoustic celotex board (2) is provided with protection pad (1), and the lower surface symmetry of acoustic celotex board (2) is provided with gag lever post (9), the place ahead of pump drainage bellows (3) is provided with crosses filter stand (7), fixed slot (6) have been seted up to the inside of crossing filter stand (7), the inside slidable mounting of fixed slot (6) has filter screen (5).

2. The air pumping and exhausting device for mine ventilation according to claim 1, wherein the upper surface and the lower surface of the filter screen (5) are both provided with a sliding rail (12), and the inner side of the fixing groove (6) is provided with a sliding groove (11) which slides with the sliding rail (12).

3. The air pumping and exhausting device for mine ventilation according to claim 1, wherein the filter frame (7) is provided with mounting plates (10) on both the upper surface and the lower surface, and the mounting plates (10) are provided with mounting holes on the upper surface.

4. The extraction and drainage device for mine ventilation according to claim 2, characterized in that the length of the sliding rail (12) is the same as the length of the filter holder (7), and the sliding groove (11) is opened in the front-to-rear one third position inside the fixing groove (6).

5. The air pumping and exhausting device for mine ventilation according to claim 1, wherein the lower surface of the sound insulation board (2) is provided with a fixing hole (16) in threaded connection with the top end of the limiting rod (9), and the lower end of the limiting rod (9) is arranged in a conical shape.

6. The extraction and exhaust device for mine ventilation according to claim 1, characterized in that the interior of the acoustic panel (2) is provided with an acoustic panel (13) and the interior of the acoustic panel (2) is filled with acoustic wool (14) on both sides of the acoustic panel (13).

7. A suction and exhaust device for mine ventilation according to claim 6, characterized in that the sound-deadening plates (13) are provided with sound-deadening pillars (15) at equal intervals inside, and the thickness of the sound-deadening plates (13) is three times the thickness of the sound-deadening cotton (14).