CN211314270U

CN211314270U - Air dust removal device for coal mine underground roadway

Info

Publication number: CN211314270U
Application number: CN201921551685.3U
Authority: CN
Inventors: 耿志
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-08-21
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a colliery underworkings air dust collector in colliery dust removal technical field, including air-out pipe, air-supply line and air exhauster, the air-supply line sets up the right side at the air-out pipe, the left end and the air exhauster intercommunication of air-out pipe, be provided with at least two sets of dust fall mechanisms that just communicate each other between air-out pipe and the air-supply line, be located left dust fall mechanism and air-out pipe intercommunication, be located the dust fall mechanism on right side and communicate with the air-supply line, dust fall mechanism includes dust settling chamber and gas homogenizing pipe, the left end and the top on dust settling chamber right side of gas homogenizing pipe communicate; the dust settling chamber comprises a box body a, the coal mine underground roadway air dust removal device is simple in structure, convenient to operate, convenient to maintain and replace the filter screen, high in air dust removal efficiency, and favorable for workers to work underground, and the practicability of the roadway air dust removal device is improved.

Description

Air dust removal device for coal mine underground roadway

Technical Field

The utility model relates to a colliery dust removal technical field specifically is a colliery underworkings air dust collector.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines. Coal mines encompass a large area above ground and below ground as well as associated facilities. Coal mines are reasonable spaces excavated by humans when excavating geological formations rich in coal and generally include roadways, wells, and mining surfaces, among others. Coal is the most predominant solid fuel, one of the flammable organic rocks. It is formed by that the flourishing plants grown in a certain geologic age are gradually piled up into a thick layer in a proper geologic environment, and are buried in the water bottom or silt, and then are subjected to the natural coalification action in a long geologic age.

In coal mining, often can produce a large amount of dusts in the underworkings, and then inconvenient staff is long-term in borehole operation, consequently needs dust collector to remove dust to the air in the tunnel, but traditional tunnel air dust collector is lower at the dust collection efficiency of during operation to the air, and then makes the air quality in the tunnel relatively poor, is unfavorable for the staff to work in the pit, has reduced tunnel air dust collector's practicality.

Based on this, the utility model designs a specifically be a colliery underworkings air dust collector to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery underworkings air dust collector to solve traditional tunnel air dust collector who proposes in the above-mentioned background art and lower at the dust collection efficiency of during operation to the air, and then make the air quality in the tunnel relatively poor, be unfavorable for the problem of staff at work in the pit.

In order to achieve the above object, the utility model provides a following technical scheme: the air dust removal device for the coal mine underground roadway comprises an air outlet pipe, an air inlet pipe and an exhaust fan, wherein the air inlet pipe is arranged on the right side of the air outlet pipe, the left end of the air outlet pipe is communicated with the exhaust fan, at least two groups of dust settling mechanisms which are mutually communicated are arranged between the air outlet pipe and the air inlet pipe, the dust settling mechanism on the left side is communicated with the air outlet pipe, the dust settling mechanism on the right side is communicated with the air inlet pipe, the dust settling mechanism comprises a dust settling chamber and an air equalizing pipe, and the left end of the air equalizing pipe is communicated with the top of the right side of the dust;

the dust settling chamber comprises a box body a, the top of the box body a is fixedly connected with a box body b communicated with the box body a, the inner cavity of the box body b is symmetrically and fixedly connected with transverse pipes, the bottoms of the transverse pipes are uniformly communicated with spray heads, a filter screen positioned at the bottom of an air outlet pipe and an air equalizing pipe is transversely arranged in the inner cavity of the box body a, a water pump is fixedly installed at the bottom of the rear side of the box body a, the input end of the water pump penetrates through the inner cavity of the box body a, the output end of the water pump is communicated with a guide pipe, and one end of the guide pipe, far away from;

the utility model discloses a four-way air distributing pipe, including the gas distributing pipe, the gas distribution pipe includes communicating pipe, the left and right sides of communicating pipe inner chamber inclines fixedly connected with left riser and right riser respectively, six air guide hole an have evenly been seted up in the left side of left side riser, six air guide hole b have evenly been seted up on the right side of right side riser, and air guide hole a and air guide hole b are crisscross and distribute.

Preferably, the air guide hole a is frustum-shaped, the left side aperture of the air guide hole a is larger than the right side aperture thereof, and the shape of the air guide hole b is the same as that of the air guide hole a.

Preferably, a gap is left between the bottom of the left vertical plate and the bottom wall of the communicating pipe.

Preferably, the air exhauster includes the fixed pipe, and the inner wall of fixed pipe passes through connecting rod fixedly connected with mounting panel, and the left side fixed mounting of mounting panel has driving motor, and driving motor's output shaft runs through mounting panel and fixedly connected with fan.

Preferably, the front surface of the box body a is rotatably connected with a box door positioned at the top of the filter screen through a hinge, the inner wall of the box body a is fixedly connected with a clip frame positioned at the bottom of the filter screen, the bottom of the filter screen is contacted with the clip frame, and handles are fixedly connected to the front side and the rear side of the top of the filter screen.

Preferably, the bottom on the right side of the box body a is communicated with a water outlet pipe, and the surface of the water outlet pipe is provided with a stop valve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses set up at least two sets of and continuous dust removal mechanism, and every group dust removal mechanism is including dust settling chamber and equal trachea, the air is earlier through equal trachea, utilize crisscross air guide hole an and air guide hole b to the air vortex, make the dust in the air more even, then recycle the circulating water in the dust settling chamber and carry out the dust fall to the air, setting through multiunit mechanism, the dust removal effect of the device to the air has been improved greatly, this colliery underworkings air dust collector simple structure, and convenient for operation, be convenient for maintain and change the filter screen, dust collection efficiency to the air is higher, and then improve the air quality in the tunnel, be favorable to the staff to work in the pit, tunnel air dust collector's practicality has been improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

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

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic left-side sectional view of the structure of the dust settling chamber of the present invention;

FIG. 3 is a schematic perspective view of the air-equalizing pipe of the present invention;

fig. 4 is a schematic perspective view of another view angle of the gas equalizing pipe of the present invention;

FIG. 5 is a schematic perspective sectional view of the gas equalizing pipe of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. an air outlet pipe; 2. an air inlet pipe; 3. an exhauster; 4. a dust settling chamber; 41. a box body a; 42. a box body b; 43. a transverse tube; 44. a spray head; 45. a filter screen; 46. a water pump; 47. a conduit; 48. a box door; 49. a clip frame; 5. a gas homogenizing pipe; 51. a communicating pipe; 52. a left riser; 521. air vents a; 522. a gap; 53. a right vertical plate; 531. and air vents b.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an air dust removal device for a coal mine underground roadway comprises an air outlet pipe 1, an air inlet pipe 2 and an air exhauster 3, wherein the air inlet pipe 2 is arranged on the right side of the air outlet pipe 1, the left end of the air outlet pipe 1 is communicated with the air exhauster 3, the air exhauster 3 comprises a fixed pipe, the inner wall of the fixed pipe is fixedly connected with a mounting plate through a connecting rod, a driving motor is fixedly arranged on the left side of the mounting plate, an output shaft of the driving motor penetrates through the mounting plate and is fixedly connected with a fan, the driving motor is started, the output shaft of the driving motor drives the fan to rotate, so that the air in the air outlet pipe 1, the dust fall mechanism and the air inlet pipe 2 flows from right to left, two groups of dust fall mechanisms which are communicated with each other are arranged between the air outlet pipe 1 and the air inlet pipe 2, the dust fall mechanism on the left side is communicated with the, the left end of the air equalizing pipe 5 is communicated with the top of the right side of the dust settling chamber 4, and the cross sections of the air outlet pipe 1, the air inlet pipe 2 and the air equalizing pipe 5 are square;

the dust settling chamber 4 comprises a box body a41, the top of the box body a41 is fixedly connected with a box body b42 communicated with a box body a41, the inner cavity of the box body b42 is symmetrically and fixedly connected with a transverse pipe 43, the bottom of the transverse pipe 43 is uniformly communicated with a spray head 44, the inner cavity of the box body a41 is transversely provided with a filter screen 45 positioned at the bottom of the air outlet pipe 1 and the bottom of the air equalizing pipe 5, the bottom of the rear side of the box body a41 is fixedly provided with a water pump 46, the input end of the water pump 46 penetrates through the inner cavity of the box body a41, the output end of the water pump 43 is communicated with a guide pipe 47, one end of the guide pipe 47 far away from the water pump 46 is communicated with the two transverse pipes 43 through a three-way connecting pipe, when the dust settling chamber 4 is used, clean water is added to the bottom of the inner cavity of the box body a41, then the water pump 46 is started when the exhauster 3 works, the water pump 46 pumps the water in the box body a41 into, then, the dust is filtered by the filter screen 45, and the water flows downwards through the filter screen 45, so that the effect of water recycling can be achieved;

the front surface of the box body a41 is rotatably connected with a box door 48 positioned at the top of the filter screen 45 through a hinge, the inner wall of the box body a41 is fixedly connected with a square frame 49 positioned at the bottom of the filter screen 45, the bottom of the filter screen 45 is contacted with the square frame 49, handles are fixedly connected to the front side and the rear side of the top of the filter screen 45, the bottom of the right side of the box body a41 is communicated with a water outlet pipe, the surface of the water outlet pipe is provided with a stop valve, a user can open the box door 48 through the arrangement of the box door 48 and the square frame 49, the filter screen 45 is further replaced, the filter screen 45 is favorably cleaned by the user, the user can discharge water in the box body a41 through opening the stop valve through the matching of the water outlet pipe and the stop valve, then water can be injected into;

the air-equalizing pipe 5 comprises a communicating pipe 51, the left side and the right side of the inner cavity of the communicating pipe 51 are respectively fixedly connected with a left vertical plate 52 and a right vertical plate 53, the left side of the left vertical plate 52 is uniformly provided with six air guide holes a521, the right side of the right vertical plate 53 is uniformly provided with six air guide holes b531, and the air guide holes a521 and the air guide holes b531 are distributed in a staggered manner, wherein the air guide holes a521 are frustum-shaped, the left side aperture of the air guide holes a521 is larger than the right side aperture of the air guide holes a521, the shape of the air guide holes b531 is the same as that of the air guide holes a521, a gap 522 is also left between the bottom of the left vertical plate 52 and the bottom wall of the communicating pipe 51, the air guide holes a521 and the air guide holes b531 are frustum-shaped, moisture in the air can flow downwards leftwards by utilizing the inclined planes of the air guide holes a521 and the air guide holes b531, the moisture remained on the air guide holes a521, the air holes a521 and b531 are matched to play a role in disturbing flow of air, so that dust is more uniform in the flowing air, the left dust settling chamber 4 is favorable for settling dust in the air, and the dust removal effect of the dust removal device is improved.

One specific application of this embodiment is: the air exhauster 3 and the water pump 46 are started by a worker, so that the air in the air outlet pipe 1, the two groups of dust settling mechanisms and the air inlet pipe 2 flows from right to left, firstly enters the air equalizing pipe 5 and the dust settling chamber 4 of the first group of dust settling mechanisms through the air inlet pipe 2, and is disturbed through the air guide holes a521 and the air guide holes b531 which are distributed in a staggered mode, so that the dust is more uniform in the flowing air, then the air flows into the dust settling chamber 4, the water in the box body a41 is pumped into the guide pipe 47 by the water pump 46, the water flows into the transverse pipe 43 through the box door 48, and is sprayed downwards through the spray head 44 to form two water curtains for settling the dust flowing in the box body a41, then the dust is filtered through the filter screen 45, the water flows downwards through the filter screen 45, so that the effect of water recycling can be achieved, and further the dust settling effect of the dust settling chamber 4 on the air is better, the flowing air is in entering into equal trachea 5 and the dust fall room 4 of first group dust fall mechanism, and reuse equal trachea 5 is with the air mixing, then utilizes the dust fall room 4 to the air dust fall, and the air flows out and in the tunnel internal circulation from air exhauster 3 at last to make the air in the tunnel comparatively clean.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a colliery underworkings air dust collector, includes air-out pipe (1), air-supply line (2) and air exhauster (3), its characterized in that: the air inlet pipe (2) is arranged on the right side of the air outlet pipe (1), the left end of the air outlet pipe (1) is communicated with the exhaust fan (3), at least two groups of dust settling mechanisms which are mutually communicated are arranged between the air outlet pipe (1) and the air inlet pipe (2), the dust settling mechanism on the left side is communicated with the air outlet pipe (1), the dust settling mechanism on the right side is communicated with the air inlet pipe (2), the dust settling mechanism comprises a dust settling chamber (4) and an air equalizing pipe (5), and the left end of the air equalizing pipe (5) is communicated with the top of the right side of the dust settling chamber (4);

the dust settling chamber (4) comprises a box body a (41), a box body b (42) communicated with the box body a (41) is fixedly connected to the top of the box body a (41), transverse pipes (43) are symmetrically and fixedly connected to the inner cavity of the box body b (42), spray heads (44) are uniformly communicated with the bottoms of the transverse pipes (43), a filter screen (45) located at the bottoms of the air outlet pipe (1) and the air equalizing pipe (5) is transversely arranged in the inner cavity of the box body a (41), a water pump (46) is fixedly installed at the bottom of the rear side of the box body a (41), the input end of the water pump (46) penetrates through the inner cavity of the box body a (41), the output end of the water pump (46) is communicated with a guide pipe (47), and one end, far away from the water pump (46), of the guide pipe (;

the gas equalizing pipe (5) comprises a communicating pipe (51), the left side and the right side of the inner cavity of the communicating pipe (51) are respectively fixedly connected with a left vertical plate (52) and a right vertical plate (53), six gas guide holes a (521) are uniformly formed in the left side of the left vertical plate (52), six gas guide holes b (531) are uniformly formed in the right side of the right vertical plate (53), and the gas guide holes a (521) and the gas guide holes b (531) are in staggered distribution.

2. The air dust removal device for the coal mine underground roadway according to claim 1, characterized in that: the air guide hole a (521) is in a frustum shape, the left side aperture of the air guide hole a (521) is larger than the right side aperture of the air guide hole, and the shape of the air guide hole b (531) is the same as that of the air guide hole a (521).

3. The air dust removal device for the coal mine underground roadway according to claim 2, characterized in that: a gap (522) is also reserved between the bottom of the left vertical plate (52) and the bottom wall of the communication pipe (51).

4. The air dust removal device for the coal mine underground roadway according to claim 3, characterized in that: the exhaust fan (3) comprises a fixed pipe, the inner wall of the fixed pipe is fixedly connected with a mounting plate through a connecting rod, a driving motor is fixedly mounted on the left side of the mounting plate, and an output shaft of the driving motor penetrates through the mounting plate and is fixedly connected with a fan.

5. The air dust removal device for the coal mine underground roadway according to claim 4, characterized in that: the positive surface of box a (41) is connected with chamber door (48) that are located filter screen (45) top through the hinge rotation, the inner wall fixedly connected with of box a (41) is located shape frame (49) of returning of filter screen (45) bottom, the bottom of filter screen (45) and the contact of shape frame (49) of returning, the equal fixedly connected with handle in both sides around filter screen (45) top.

6. The air dust removal device for the coal mine underground roadway according to claim 5, characterized in that: the bottom on the right side of the box body a (41) is communicated with a water outlet pipe, and a stop valve is arranged on the surface of the water outlet pipe.