CN211737184U

CN211737184U - Underground coal mine ventilation device

Info

Publication number: CN211737184U
Application number: CN202020288694.4U
Authority: CN
Inventors: 张迪; 王建安
Original assignee: Shaanxi Coal Caojiatan Mining Co Ltd
Current assignee: Shaanxi Coal Caojiatan Mining Co Ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-10-23
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses a colliery is ventilation unit in pit, including organism and support frame, the support frame supports in the bottom of organism, the organism includes air-supply line and play tuber pipe, it sets up in the air outlet department of air-supply line to go out the tuber pipe, set gradually vice fan, brush, dust screen, main fan and muffler by air intake to air outlet in the air-supply line, the head end of the pivot of vice fan is provided with fixing bearing, fixing bearing is supported by a support column, the tail end of the pivot of vice fan with the brush is connected, the brush hair of brush with the dust screen is relative and contact, main fan is driven by the motor, the flabellum orientation of main fan the air outlet setting, and with the muffler is relative; the utility model provides a colliery is ventilation unit in pit has the multifunctionality, on the basis that possesses the ventilation function, can also be for ventilating the dust fall, fall and make an uproar and cool down.

Description

Underground coal mine ventilation device

Technical Field

The utility model relates to a colliery is ventilation technical field in the pit, especially relates to a colliery is ventilation unit in the pit.

Background

In the current society with high energy consumption, in order to obtain more resources, coal mining mines are generally deeper, so that various harmful gases such as carbon monoxide, hydrogen sulfide, sulfur dioxide, nitrogen, hydrogen, methane and the like exist in the deep mines, and the gases are easy to cause accidents such as poisoning, fire, explosion and the like. Therefore, ventilation is often required for the mine to safely mine, so that a large amount of fresh air is input, and harmful gases are diluted and discharged.

The existing underground coal mine ventilation device only has a ventilation function and a single function, and does not have dust fall, noise reduction and cooling effects, so that the technical problem to be solved by technical personnel in the field is urgently needed.

Disclosure of Invention

The utility model aims at providing a colliery is ventilation unit in pit to solve the problem that above-mentioned prior art exists, have the multifunctionality, on the basis that possesses the ventilation function, can also be for ventilating the dust fall, fall make an uproar and cool down.

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

the utility model provides a colliery is ventilation unit in pit, including organism and support frame, the support frame support in the bottom of organism, the organism includes the air-supply line and goes out the tuber pipe, go out the tuber pipe set up in the air outlet department of air-supply line, set gradually vice fan, brush, dust screen, main fan and muffler by the air intake to the air outlet in the air-supply line, the head end of vice fan's pivot is provided with fixing bearing, fixing bearing supports by a support column, the tail end of vice fan's pivot with the brush is connected, the brush hair of brush with the dust screen is relative and contact, main fan is by motor drive, the flabellum orientation of main fan the air outlet sets up, and with the muffler is relative.

Preferably, an ash baffle is further arranged at the air inlet of the air inlet pipe.

Preferably, a dust exhaust port is arranged on the machine body opposite to the brush.

Preferably, the motor is supported by a motor base, and the heat absorption plate is wrapped outside the motor.

Preferably, the air inlet pipe is further connected with a branch pipe, and the branch pipe is connected with an oxygen generator.

Preferably, the air outlet pipe is connected with the air inlet pipe through a flange.

Preferably, circumference is provided with the refrigeration chamber on the inner wall of tuber pipe, the refrigeration intracavity is used for filling the ice-cube, the pipe wall top of tuber pipe is provided with refrigeration chamber lid, and the pipe wall bottom of tuber pipe is provided with the intercommunication the outlet pipe in refrigeration chamber.

Preferably, the walking wheel is connected to the bottom of support frame through damping device, damping device includes backup pad, spliced pole and spring, the walking wheel is connected to the backup pad, be equipped with the spliced pole of a set of symmetry in the backup pad, two all the cover is equipped with the spring on the spliced pole, two the spliced pole is all through bolted connection support frame.

Preferably, both sides of the supporting plate are provided with positioning bolts, and the supporting plate is provided with threads matched with the positioning bolts.

The utility model discloses following beneficial technological effect has been gained for prior art:

1. the utility model provides a colliery is ventilation unit in pit through setting up dust board and dust screen for most dust particles can be filtered in the air, have improved colliery is ventilation unit in pit's dust removal effect, have increased this colliery is ventilation unit in pit's ventilation effect.

2. The utility model provides a coal mine underground ventilation device, which is provided with a silencer and has lower noise when in use; set up the refrigeration chamber in going out the tuber pipe, can reduce the air-out temperature, improve the comfort level of environment in the pit.

3. The utility model provides a colliery is ventilation unit in pit sets up the oxygenerator, when ventilation unit becomes poor to the oxygen suppliment effect in the pit, can open the oxygenerator, improves ventilation unit's oxygen therapy content.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the underground ventilation device for the coal mine of the present invention;

in the figure: 1-machine body, 2-support frame, 3-air inlet pipe, 4-air outlet pipe, 5-dust baffle, 6-auxiliary fan, 7-brush, 8-dust screen, 9-main fan, 10-silencer, 11-fixed bearing, 12-support column, 13-motor, 14-dust exhaust port, 15-motor base, 16-heat absorbing plate, 17-branch pipe, 18-oxygen generator, 19-flange, 20-refrigeration cavity, 21-refrigeration cavity cover, 22-water outlet pipe, 23-travelling wheel, 24-support plate, 25-connecting column, 26-spring and 27-positioning bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model aims at providing a colliery is ventilation unit in pit to solve the problem that prior art exists.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The coal mine underground ventilation device in the embodiment, as shown in fig. 1, includes a machine body 1 and a support frame 2, the support frame 2 is supported at the bottom of the machine body 1, the machine body 1 includes an air inlet pipe 3 and an air outlet pipe 4, the air outlet pipe 4 is disposed at an air outlet of the air inlet pipe 3 and is connected with the air inlet pipe 3 through a flange 19, an auxiliary fan 6, a brush 7, a dust screen 8, a main fan 9 and a silencer 10 are sequentially disposed in the air inlet pipe 3 from an air inlet to an air outlet, a fixed bearing 11 is disposed at a head end of a rotating shaft of the auxiliary fan 6, the fixed bearing 11 is supported by a support column 12, a tail end of the rotating shaft of the auxiliary fan 6 is connected with the brush 7, bristles of the brush 7 are opposite to and in contact with the dust screen 8, the main fan 9 is driven by a motor 13, and an air outlet.

In this embodiment, an ash blocking plate 5 is further disposed at the air inlet of the air inlet pipe 3, and is used for preliminary dust prevention of the ventilation device.

In this embodiment, a dust outlet 14 is disposed on the machine body 1 opposite to the brush 7, and dust brushed off by the brush 7 on the right side of the dust screen 8 is discharged from the dust outlet 14 and collected by a dust box.

In this embodiment, motor 13 and motor cabinet 15 support, and the outside parcel of motor 13 has absorber plate 16, and a large amount of heats that motor 13 drove the rotation of fan blade and produce can be absorbed in the setting of absorber plate 16, can effectively prolong the life of device.

In this embodiment, the air inlet pipe 3 is further connected with a branch pipe 17, the branch pipe 17 is connected with an oxygen generator 18, and the oxygen generator 18 is arranged, so that when the underground oxygen supply effect of the ventilation device is deteriorated, the oxygen generator 18 can be started, and the oxygen delivery content of the ventilation device is increased.

In this embodiment, the inner wall of the air outlet pipe 4 is circumferentially provided with a refrigeration cavity 20, the refrigeration cavity 20 is filled with ice blocks, the top of the pipe wall of the air outlet pipe 4 is provided with a refrigeration cavity cover 21, the bottom of the pipe wall of the air outlet pipe 4 is provided with a water outlet pipe 22 communicated with the refrigeration cavity 20, and the temperature of air flow is reduced by adding ice blocks into the refrigeration cavity 20.

In the embodiment, the bottom of the support frame 2 is connected with the walking wheels 23 through a damping device, the damping device comprises a support plate 24, connecting columns 25 and springs 26, the support plate 24 is connected with the walking wheels 23, a group of symmetrical connecting columns 25 are arranged on the support plate 24, the springs 26 are sleeved on the two connecting columns 25, and the two connecting columns 25 are connected with the support frame 2 through bolts; the ventilation device can be effectively damped and supported through the two connecting columns 25 and the springs 26, and the ventilation device is convenient to move through the arrangement of the walking wheels 23. Both sides of backup pad 24 all are equipped with positioning bolt 27, are equipped with in backup pad 24 with positioning bolt 27 complex screw, when ventilation unit need remove, can improve positioning bolt 27 and be convenient for remove, when ventilation unit during operation, can fix a position through decline positioning bolt 27, cooperation walking wheel 23 for ventilation unit's location effect is better.

During operation, at first, turn on motor 13, motor 13 drives the flabellum rotation of main fan 9, the air in the mine flows into the inside of air-supply line 3 through the air intake fast, the bulky solid in the dust blocking board 5 filters the air, dust screen 8 filters the likepowder dust in the air, fast flowing air promotes auxiliary fan 6's flabellum rotation, auxiliary fan 6's flabellum takes the pivot to rotate, pivot area brush 7 rotates after that, 8 adnexed dusts in side of dust screen are brushed off, discharge by dust exhaust port 14, when fast flowing air passes air-out pipe 4, the inside heat of ice-cube absorption air in refrigeration chamber 20, then the temperature of air reduces, low temperature air gets into the mine after that, cool down to the inside air of mine.

The utility model discloses the principle and the implementation mode of the utility model are explained by applying the concrete examples, and the explanation of the above examples is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present description should not be construed as a limitation of the present invention.

Claims

1. A colliery is ventilation unit in pit which characterized in that: including organism and support frame, the support frame support in the bottom of organism, the organism includes the air-supply line and goes out the tuber pipe, go out the tuber pipe set up in the air outlet department of air-supply line, set gradually auxiliary fan, brush, dust screen, main fan and muffler by the air intake to the air outlet in the air-supply line, the head end of auxiliary fan's pivot is provided with fixing bearing, fixing bearing supports by a support column, the tail end of auxiliary fan's pivot with the brush connection, the brush hair of brush with the dust screen is relative and contact, main fan is by motor drive, main fan's flabellum orientation the air outlet sets up, and with the muffler is relative.

2. The coal mine underground ventilation device of claim 1, characterized in that: an ash baffle is further arranged at the air inlet of the air inlet pipe.

3. The coal mine underground ventilation device of claim 1, characterized in that: a dust exhaust port is arranged at the position, opposite to the brush, of the machine body.

4. The coal mine underground ventilation device of claim 1, characterized in that: the motor is supported by the motor cabinet, and the outside parcel of motor has the absorber plate.

5. The coal mine underground ventilation device of claim 1, characterized in that: the air inlet pipe is also connected with a branch pipe, and the branch pipe is connected with an oxygen generator.

6. The coal mine underground ventilation device of claim 1, characterized in that: the air outlet pipe is connected with the air inlet pipe through a flange.

7. The coal mine underground ventilation device of claim 1, characterized in that: the circumference is provided with the refrigeration chamber on the inner wall of play tuber pipe, the refrigeration intracavity is used for filling the ice-cube, the pipe wall top of going out the tuber pipe is provided with refrigeration chamber lid, and the pipe wall bottom of going out the tuber pipe is provided with the intercommunication the outlet pipe in refrigeration chamber.

8. The coal mine underground ventilation device of claim 1, characterized in that: the walking wheel is connected to the bottom of support frame through damping device, damping device includes backup pad, spliced pole and spring, the walking wheel is connected to the backup pad, be equipped with the spliced pole of a set of symmetry in the backup pad, two all the cover is equipped with the spring on the spliced pole, two the spliced pole is all through bolted connection support frame.

9. The coal mine underground ventilation device of claim 8, wherein: positioning bolts are arranged on two sides of the supporting plate, and threads matched with the positioning bolts are arranged on the supporting plate.