CN211202033U

CN211202033U - Ventilation device for coal mining

Info

Publication number: CN211202033U
Application number: CN201921793932.0U
Authority: CN
Inventors: 陈家鹏; 郭锐
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-08-07
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a ventilation device is adopted in coal mining relates to coal mining technical field. The utility model discloses a base, a base fixed surface has dust collection box and bellows, and a dust collection box fixed surface intercommunication has first dust hopper, and first dust hopper one end is fixed with the baffle, and a baffle surface runs through to be fixed with and divides dirt mechanism, divides dirt mechanism to include a plurality of dust collecting plates and a plurality of collection dirt slide, a plurality of dust collecting plates and a plurality of collection dirt slide interval distribution and two liang between fixed connection. The utility model discloses a divide dirt mechanism for the air that inhales the device is vortex form, thereby makes the grime in the air by initial segregation, recycles the cooperation of advancing dirt pipe, a set of second dust hopper and filter screen and further filters the air, makes the air-blower inhale grime content greatly reduced in the air of bellows, thereby makes bellows can effectively improve the air quality in the tunnel along air-out slotted hole exhaust air.

Description

Ventilation device for coal mining

Technical Field

The utility model belongs to the technical field of coal mining, especially, relate to a ventilation device for coal mining.

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. Most coal mines in China belong to underground coal mines, so that the coal mines need to be mined by excavating roadways.

As is well known, the ventilation treatment needs to be carried out on the tunnel of a coal mine in the coal mining process, so that the circulation of air in the tunnel can be ensured, and workers can work better. However, the existing ventilation device for coal mining has too single function, only meets the ventilation requirement, and can not remove dust in the tunnel in time during ventilation of the tunnel, so that the ventilation quality of the tunnel is poor, the influence on workers is large, and the health of the workers is not facilitated; meanwhile, the ventilation device for the existing coal mining only utilizes a simple filter screen to filter air, dust in the air can not be effectively collected, and the filter screen is easy to block during long-term use, so that the normal ventilation treatment of a roadway is influenced, and the air quality of the roadway cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ventilation device for coal mining, through dividing dirt mechanism, the air that makes to inhale the device is the vortex form, thereby make the grid in the air by the initial segregation, recycle into the dirt pipe, the cooperation of a set of second dust hopper and filter screen is further filtered the air, make the air-blower inhale grid content greatly reduced in the air of bellows, it is too single to have solved current ventilation device for coal mining function, the grid in the air of tunnel can not in time be got rid of, make the relatively poor problem of tunnel air quality.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a ventilation device for coal mining, which comprises a base, wherein a dust collection box and an air box are fixed on the surface of the base, a first dust collection hopper is fixedly communicated with the surface of the dust collection box, a baffle is fixed at one end of the first dust collection hopper, and a dust separating mechanism is fixedly penetrated on the surface of the baffle;

the dust separating mechanism comprises a plurality of dust collecting plates and a plurality of dust collecting slideways, the dust collecting plates and the dust collecting slideways are distributed at intervals and fixedly connected in pairs, a connecting body formed by the dust collecting plates and the dust collecting slideways is of a funnel-shaped structure, and spiral blades are fixed on the inner wall of the connecting body;

the dust collecting device comprises a first dust collecting hopper, a flange, a dust inlet pipe, a second dust collecting hopper, a supporting plate, a ventilation pipe, a filter screen, a fixing plate and an air blower, wherein the flange is fixed on the inner wall of the first dust collecting hopper, the dust inlet pipe penetrates through and is fixed on the flange, the second dust collecting hopper is fixed at two ends of the dust inlet pipe, the supporting plate is fixed on the inner wall of the dust collecting box, the ventilation pipe is fixed on the surface of the supporting plate, the filter screen is fixed at one end of the ventilation pipe, the fixing.

Furthermore, the filter screen is positioned in a channel formed by the dust inlet pipe and the group of second dust hoppers, the filter screen is of a tubular structure, and a plurality of filter holes are formed in the peripheral side surface of the filter screen.

Furthermore, a plurality of air outlet slots are formed in one surface of the air box.

Furthermore, a dust outlet slotted hole is formed in one surface of the dust collection box, and a box door is rotatably connected to the inner wall of the dust outlet slotted hole through a hinge.

Furthermore, a lock catch is fixed on one surface of the box door, the box door is fixedly connected with one surface of the dust collection box through the lock catch, and a sealing ring is arranged at the joint of the box door and the dust outlet groove hole.

The utility model discloses following beneficial effect has:

1. the utility model discloses a divide dirt mechanism, make the air that inhales the device be the vortex form, thereby make the grits in the air by initial separation, recycle into the dirt pipe, the cooperation of a set of second dust hopper and filter screen is further filtered the air, make the air-blower inhale grits content greatly reduced in the air of bellows, thereby make bellows effectively improve the air quality in the tunnel along air-out slotted hole exhaust air, make the ventilation effect in tunnel better, more be favorable to workman's work, it is too single to have solved current ventilation unit function for coal mining, can not in time get rid of the grits in the tunnel air, make the relatively poor problem of tunnel air quality.

2. The utility model discloses a dust collecting box is to dust collecting mechanism, advance the dirt pipe, the ash bits in the air that a set of second dust hopper and filter screen separated are collected, thereby the whole content of ash bits in the tunnel has been reduced, make the air quality in the tunnel obtain improving, and the filter screen is the tubular structure, and set up inside the passageway that dust pipe and a set of second dust hopper constitute is advanced, thereby make the filter screen be difficult to the jam, and get rid of the effect better to the ash bits in the tunnel air, make the air quality in tunnel higher, the filter screen of having solved among the ventilation unit for the existing coal mining is easy to be blockked up, can not collect the ash bits in the tunnel, the unable problem that ensures of tunnel air quality.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

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 a ventilation device for coal mining according to the present invention;

FIG. 2 is a schematic structural view of a dust box, a wind box, a second dust hopper and a filter screen;

FIG. 3 is a schematic structural view of a dust separating mechanism;

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

1-base, 2-dust collecting box, 3-first dust collecting hopper, 4-baffle, 5-dust separating mechanism, 6-flange, 7-dust inlet pipe, 8-second dust collecting hopper, 9-supporting plate, 10-ventilation pipe, 11-filter screen, 12-fixing plate, 13-air box, 14-air blower, 15-air outlet slot, 16-dust outlet slot, 17-box door, 18-lock catch, 501-dust collecting plate, 502-dust collecting slideway, 503-helical blade.

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. 1-3, the present invention relates to a ventilation device for coal mining, which comprises a base 1, a dust collecting box 2 and an air box 13 fixed on a surface of the base 1, a first dust collecting hopper 3 fixed on the surface of the dust collecting box 2, a baffle 4 fixed on one end of the first dust collecting hopper 3, and a dust separating mechanism 5 fixed on the surface of the baffle 4;

the dust separating mechanism 5 comprises six dust collecting plates 501 and six dust collecting slideways 502, the six dust collecting plates 501 and the six dust collecting slideways 502 are distributed at intervals and are fixed in a welding way, a connecting body formed by the six dust collecting plates 501 and the six dust collecting slideways 502 is of a funnel-shaped structure, the inner wall of the connecting body is fixed with a spiral blade 503, and the spiral blade 503 and the connecting body of the funnel-shaped structure are matched with each other to enable air entering the dust separating mechanism 5 to be in a vortex shape, so that dust in the air is floated to the inner wall of the dust separating mechanism 5 under the action of centrifugal force and finally slides into the dust collecting box 2 along the dust collecting slideways 502 to be collected, so that the content of the dust in the air is reduced, and the mining of a coal mine is safer;

a flange 6 is fixed on the inner wall of the first dust hopper 3, a dust inlet pipe 7 is fixedly penetrated through the flange 6, second dust hoppers 8 are fixed at two ends of the dust inlet pipe 7, a group of second dust hoppers 8 are matched with the dust inlet pipe 7 for further collecting dust in the air, a support plate 9 is fixed on the inner wall of the dust box 2, a vent pipe 10 is fixed on one surface of the support plate 9, a filter screen 11 is fixed at one end of the vent pipe 10, a fixing plate 12 is fixed at the other end of the filter screen 11, the other end of the vent pipe 10 sequentially penetrates through one inner wall of the dust box 2 and one surface of a bellows 13 and is fixed with an air blower 14, the air blower 14 can be sucked into the bellows 13 through the vent pipe 10, the filter screen 11 can filter the air blower in the air suction process of the vent pipe 10, so that the dust content in the air sucked into the bellows 13 by the air blower 14 is lower, and the filter screen 11, the dust inlet pipe 7 are matched with the, the dust in the air of the coal mine tunnel is sucked into the dust collection box 2 for storage, so that the content of the dust in the air of the coal mine tunnel is reduced, and the breathing health of workers is protected.

Wherein as shown in fig. 2, the filter screen 11 is located the passageway that dust inlet pipe 7 and a set of second dust hopper 8 are constituteed, and this kind of mode of setting more is favorable to dust inlet pipe 7, a set of second dust hopper 8 and the cooperation of filter screen 11 to collect the clearance to the grid in the air, and filter screen 11 is tubular structure and week side and opens there is the filtration pore for filter screen 11 is difficult to block up, and filter area increases, and the filter effect is better.

As shown in fig. 2, four air outlet slots 15 are formed in one surface of the air box 13, and the four air outlet slots 15 are used for ventilation in a coal mine tunnel.

As shown in fig. 1 and 2, a dust outlet slot 16 is formed on one surface of the dust box 2, and a box door 17 is rotatably connected to an inner wall of the dust outlet slot 16 through a hinge.

As shown in fig. 1 and 2, a lock catch 18 is fixed on one surface of the door 17, the door 17 is fixedly connected with one surface of the dust box 2 through the lock catch 18, a sealing ring is arranged at the joint of the door 17 and the dust outlet slot 16, and dust collected and stored in the dust box 2 can be cleaned out by opening the door 17, so that the device can effectively work.

One specific application of this embodiment is: firstly, a base 1 on the device is fixed on the ground of a roadway through bolts, the base 1 is ensured to be parallel to the roadway, then the air blower 14 is electrified, so that the air blower 14 inhales air along a ventilation pipe 10, the ventilation pipe 10 can enable air to enter the device along a dust separating mechanism 5 in the air sucking process, after external air enters the dust separating mechanism 5, vortex-shaped air flow can be generated, dust in the air is drawn close to the inner wall of the dust separating mechanism 5, and finally slides into a dust collection box 2 along a dust collection slide way 502 on the dust separating mechanism 5 to be collected, meanwhile, after primary filtration is carried out on the air in the dust separating mechanism 5, the air can enter a channel formed by a dust inlet pipe 7 and a group of second dust collection hoppers 8, a filter screen 11 in the channel is matched with the dust inlet pipe 7 and the group of second dust collection hoppers 8 to carry out secondary filtration on the air, so that the filtered air enters the ventilation pipe 10, thereby by the air-blower 14 suction bellows 13 in, finally discharge along four air-out slotted holes 15, ventilate the processing of taking a breath to the coal mine tunnel, the ash bits that filter screen 11 cooperation entered dirt pipe 7 and a set of second dust hopper 8 filters out can fall into dust collection box 2 along the passageway that advances dirt pipe 7 and a set of second dust hopper 8 constitution and is collected, make the device operation can take a breath to the tunnel, also can reduce the content of ash bits in the tunnel air simultaneously, thereby ensure that the staff's is healthy, after a period, can open chamber door 17 and take out and the clean up with the ash bits in the dust collection box 2, thereby make the device can last effectual ventilation and ventilation processing to the coal mine tunnel, and then satisfy the ventilation demand of taking a breath of coal mining.

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 ventilation device for coal mining, includes base (1), its characterized in that: a dust collection box (2) and an air box (13) are fixed on one surface of the base (1), a first dust collection hopper (3) is fixedly communicated with one surface of the dust collection box (2), a baffle (4) is fixed at one end of the first dust collection hopper (3), and a dust separation mechanism (5) penetrates through and is fixed on one surface of the baffle (4);

the dust separating mechanism (5) comprises a plurality of dust collecting plates (501) and a plurality of dust collecting slide ways (502), the dust collecting plates (501) and the dust collecting slide ways (502) are distributed at intervals and fixedly connected in pairs, a connecting body formed by the dust collecting plates (501) and the dust collecting slide ways (502) is of a funnel-shaped structure, and spiral blades (503) are fixed on the inner wall of the connecting body;

the dust collecting device is characterized in that a flange (6) is fixed on the inner wall of the first dust collecting hopper (3), a dust inlet pipe (7) penetrates through and is fixed on the flange (6), second dust collecting hoppers (8) are fixed at two ends of the dust inlet pipe (7), a supporting plate (9) is fixed on the inner wall of the dust collecting box (2), a ventilation pipe (10) is fixed on one surface of the supporting plate (9), a filter screen (11) is fixed at one end of the ventilation pipe (10), a fixing plate (12) is fixed at the other end of the filter screen (11), and an air blower (14) penetrates through one inner wall of the dust collecting box (2) and one surface of the air box (13) in sequence and is fixed at the.

2. The ventilation device for coal mining of claim 1, wherein the filter screen (11) is located in a channel formed by the dust inlet pipe (7) and the group of second dust hoppers (8), the filter screen (11) is of a tubular structure, and a plurality of filter holes are formed in the peripheral side surface of the filter screen.

3. A ventilation device for coal mining according to claim 1, wherein a plurality of outlet slots (15) are formed in one surface of said wind box (13).

4. A ventilation device for coal mining as claimed in claim 1, wherein said dust box (2) has a dust outlet slot (16) formed on one surface thereof, and a box door (17) is rotatably connected to an inner wall of said dust outlet slot (16) by a hinge.

5. The ventilation and air exchange device for coal mining as claimed in claim 4, wherein a lock catch (18) is fixed on one surface of the box door (17), the box door (17) is fixedly connected with one surface of the dust collection box (2) through the lock catch (18), and a sealing ring is arranged at the joint of the box door (17) and the dust outlet slot hole (16).