CN216008561U

CN216008561U - Underground coal mine ventilation device

Info

Publication number: CN216008561U
Application number: CN202122448956.6U
Authority: CN
Inventors: 侯艳峰; 苏岳嵘; 贾国忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-11
Anticipated expiration: 2031-10-11

Abstract

The application discloses colliery is ventilation unit in pit, including air pipe and ventilation mechanism, ventilation mechanism includes the spliced pole, the spliced pole rigid coupling is in air pipe inner chamber lateral wall, the first backup pad of spliced pole one end rigid coupling, first backup pad one side rigid coupling driving motor, driving motor's output rigid coupling axis of rotation, axis of rotation one end is rotated and is connected the second backup pad, the rotor plate of two symmetric distributions of axis of rotation surface rigid coupling, spacing of rotor plate one end rigid coupling, the clean brush of rotor plate one side rigid coupling, air pipe inner chamber department is provided with filtering component. This application can drive the cleaning brush through driving motor and axis of rotation isotructure and rotate to utilize the cleaning brush to clean filtering component, prevent that filtering component from blockking up and influencing the filter effect, be convenient for go on of colliery underground ventilation.

Description

Underground coal mine ventilation device

Technical Field

The application relates to the field of coal mine ventilation, in particular to a coal mine underground ventilation device.

Background

Mine ventilation means that fresh air is input into a mine, the oxygen concentration is increased, toxic and harmful gases and dust in the mine are diluted and removed, and the basic tasks of the mine ventilation are as follows: enough fresh air is supplied to the underground 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 to create a good working environment, in order to make the underground wind flow and distribute along the designated route, it is necessary to construct a structure for guiding and controlling the wind flow, namely a ventilation facility, in some tunnels, the structure is divided into a facility for guiding the wind flow and a facility for cutting off the wind flow, a newly-built large mine ventilation system is mainly in a diagonal mode and a partition mode, and a newly-built production mine is mainly in a mixed mode.

At present, when the underground ventilation is carried out in a coal mine, a filter screen is easy to block, and the filter screen is difficult to clean, so that the ventilation effect is influenced, and the underground ventilation is not convenient for the coal mine. Therefore, the underground coal mine ventilation device is provided aiming at the problems.

Disclosure of Invention

The underground coal mine ventilation device is used for solving the problem that when the existing coal mine in the prior art is used for underground ventilation, a filter screen is easy to block, and the filter screen is difficult to clean and influences the ventilation effect.

According to an aspect of the application, a colliery is ventilation unit in pit is provided, including air pipe and ventilation mechanism, ventilation mechanism includes the spliced pole, the spliced pole rigid coupling is in air pipe inner chamber lateral wall, the first backup pad of spliced pole one end rigid coupling, first backup pad one side rigid coupling driving motor, driving motor's output rigid coupling axis of rotation, axis of rotation one end is rotated and is connected the second backup pad, the rotor plate of two symmetric distributions of axis of rotation surface rigid coupling, spacing of rotor plate one end rigid coupling, the clean brush of rotor plate one side rigid coupling, air pipe inner chamber department is provided with filtering component.

Further, filtering component includes coarse filtration net, well filter screen and thin filter screen, just the equal rigid coupling of coarse filtration net, well filter screen and thin filter screen in air pipe inner chamber lateral wall, just coarse filtration net, well filter screen and thin filter screen one side all are provided with the rotor plate, the mouth of rotating has all been seted up to coarse filtration net, well filter screen and thin filter screen, the installing port has been seted up to first backup pad, axis of rotation one end runs through the installing port in proper order and rotates the mouth and rotate and connect in second backup pad one side.

Further, the equal rigid coupling in spliced pole and second backup pad side has a plurality of to be the spliced pole that the annular array distributes, air pipe one side rigid coupling has the air-supply line, air pipe opposite side rigid coupling goes out the tuber pipe, just air pipe inner chamber lateral wall rigid coupling has ventilation fan, just ventilation fan one side is provided with the stand pipe, the intercommunication mouth has all been seted up to air pipe both sides.

Furthermore, a limiting groove is formed in the side wall of the inner cavity of the ventilation pipeline, and the limiting strip is connected with the ventilation pipeline in a sliding mode through the limiting groove.

The device comprises a dust removing mechanism, wherein the dust removing mechanism comprises a supporting table, the bottom of the supporting table is fixedly connected with a movable wheel set, the top of the supporting table is fixedly connected with a dust removing shell, the bottom of an inner cavity of the dust removing shell is fixedly connected with an elevating table, the top of the elevating table is fixedly connected with a guide plate, the top of the elevating table is fixedly connected with a filter screen plate, the top of the filter screen plate is fixedly connected with a water pump, the water outlet end of the water pump is fixedly connected with a first water pipe, the top end of the first water pipe is fixedly connected with a second water pipe, the side surface of the second water pipe is fixedly connected with a third water pipe, and the bottom of the third water pipe is fixedly connected with an atomization spray head.

Furthermore, a water adding pipe assembly is arranged at the top of the dust removal shell, a water outlet pipe assembly is arranged on one side of the dust removal shell, and moving wheel sets are fixedly connected to four corners of the bottom of the supporting table.

Furthermore, the top of the guide plate is of an arc-shaped structure, the second water pipe is fixedly connected to the top of the inner cavity of the dust removal shell, a plurality of third water pipes are fixedly connected to two sides of the second water pipe, and the third water pipes are fixedly connected to the side wall of the inner cavity of the dust removal shell.

Further, including auxiliary structure, auxiliary structure includes the fixed plate, the fixed plate rigid coupling is in dust removal casing top, air pipe top rigid coupling installation pipe, installation pipe inner chamber lateral wall rigid coupling dust exhausting fan, the first connecting pipe of installation pipe one side rigid coupling, first connecting pipe rigid coupling is in air pipe one side, installation pipe opposite side rigid coupling second connecting pipe, second connecting pipe rigid coupling is in dust removal casing top, dust removal casing top rigid coupling third connecting pipe, third connecting pipe rigid coupling is in air pipe opposite side.

Further, first collection openings are formed in the two sides of the ventilating duct and the two sides of the mounting pipe, and two symmetrically distributed second collection openings are fixedly connected to the top of the dust removal shell.

Further, first connecting pipe and second connecting pipe are located air pipe both sides respectively, dust removal casing top rigid coupling has a plurality of fixed plate, just the equal rigid coupling of fixed plate is in air pipe bottom.

Through the above-mentioned embodiment of this application, adopted the cleaning brush to clean filtering component, solved present colliery when carrying out the ventilation in the pit, the filter screen blocks up easily, and the filter screen is difficult to clean, influences the effect problem of ventilation, prevents that filtering screen component from blockking up, prevents to influence ventilation effect, the ventilation unit's of being convenient for use.

Drawings

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

FIG. 1 is an overall perspective view of one embodiment of the present application;

FIG. 2 is an overall internal schematic view of an embodiment of the present application;

FIG. 3 is a schematic overall side view of one embodiment of the present application;

fig. 4 is an enlarged view of a portion a in fig. 2 according to an embodiment of the present disclosure.

In the figure: 1. a ventilation duct; 2. connecting columns; 3. a first support plate; 4. a drive motor; 5. a rotating shaft; 6. a second support plate; 7. a rotating plate; 8. a limiting strip; 9. a cleaning brush; 10. a coarse filter screen; 11. a middle filter screen; 12. a fine filter screen; 13. an air inlet pipe; 14. an air outlet pipe; 15. a ventilation fan; 16. a support table; 17. a moving wheel set; 18. a dust removal housing; 19. lifting the platform; 20. a guide plate; 21. a filter screen plate; 22. a water pump; 23. a first water pipe; 24. a second water pipe; 25. a third water pipe; 26. an atomizing spray head; 27. a fixing plate; 28. installing a pipe; 29. a dust removal fan; 30. a first connecting pipe; 31. a second connecting pipe; 32. and a third connecting pipe.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The ventilation device in this embodiment can be applicable to various collieries, for example, the following colliery gas concentration monitoring device is provided in this embodiment, and the ventilation device in this embodiment can be used with the following colliery gas concentration monitoring device in a coordinated manner.

This colliery gas concentration monitoring devices, including the bottom plate, fixedly connected with riser on the bottom plate still includes: two groups of upright posts are symmetrically arranged and are fixedly connected on the bottom plate; the placing plate is connected to the vertical rod in a sliding manner; the coaming is fixedly connected to the placing plate and used for placing the monitoring device; wherein, a bottom rubber plate is arranged in the coaming; the supporting frame is fixedly connected to the placing plate; the pressure plate is positioned at the upper end of the monitoring device and used for pressing the monitoring device; wherein, the supporting frame is detachably connected with a clamping plate, and the clamping plate is connected with the pressing plate through a locking spring; one end of the telescopic rod is rotatably connected to the placing plate, and the other end of the telescopic rod is rotatably connected to the vertical plate; and the driving device is arranged on the vertical plate and used for driving the telescopic rod to rotate. The driving device comprises a motor, the motor is connected to the vertical plate, and the output end of the motor is connected with the telescopic rod. The telescopic link includes first flexible post, the flexible post of second, reset spring, and the flexible post sliding connection of second is in first flexible post, and fixed connection is in the flexible post of first flexible post, second respectively at reset spring's both ends, and first flexible post rotates to be connected on the riser, and the flexible post of second rotates to be connected on placing the board, and the flexible post of second links to each other with the output of motor. Both sides of the placing plate are provided with supporting springs which are sleeved on the vertical rods, and one ends of the two groups of supporting springs far away from the placing plate are fixedly connected to the bottom plate and the vertical rods respectively. The support frame is connected with a limiting plate in a sliding mode, a limiting spring is arranged between the limiting plate and the support frame, the two ends of the limiting spring are fixedly connected with the support frame and the limiting plate respectively, the clamping plate is connected to the support frame in a sliding mode, the clamping plate is matched with the limiting plate, a clamping block is arranged on the clamping plate, and a clamping groove matched with the clamping block is formed in the support frame. The user is when using, place monitoring devices on placing the bottom rubber slab on the board, the bottom rubber slab can cushion monitoring devices, the bounding wall through placing integrated into one piece on the board carries out the fixed of lateral wall to monitoring devices, place the cardboard in monitoring devices's upper end, push down the cardboard, through locking spring, the clamp plate can compress tightly monitoring devices, and in the cardboard can block into the support frame, spacing spring, under the effect of limiting plate, promote the cardboard and slide, through the fixture block, the draw-in groove blocks the cardboard on the support frame, advance to lock monitoring devices.

Of course, the embodiment can also be used for other coal mines. The following describes the ventilation device according to the embodiment of the present application, which is not described in detail herein.

Please refer to fig. 1-4, a colliery is ventilation unit in pit, including air pipe 1 and ventilation mechanism, ventilation mechanism includes spliced

pole

2, 2 rigid couplings of spliced pole are in 1 inner chamber lateral wall of air pipe, the first backup pad 3 of 2 one end rigid couplings of spliced pole, 3 one side rigid couplings of first backup pad driving motor 4, driving motor 4's output rigid coupling axis of

rotation

5, 5 one end of axis of rotation is rotated and is connected second backup pad 6, two symmetric distribution's of 5 surface rigid couplings of axis of

rotation rotor

7, 7 one end rigid couplings of rotor 8 spacing, 7 one side rigid couplings of rotor 9

cleaning brush

9, 1 inner chamber department of air pipe is provided with filter assembly.

Can drive cleaning brush 9 through driving motor 4 and axis of rotation 5 isotructures and rotate to utilize cleaning brush 9 to clean filtering component, prevent that filtering component from blockking up and influencing the filter effect, be convenient for go on of colliery underground ventilation.

The filter assembly comprises a coarse filter screen 10, a middle filter screen 11 and a fine filter screen 12, the coarse filter screen 10, the middle filter screen 11 and the fine filter screen 12 are fixedly connected to the side wall of the inner cavity of the ventilating duct 1, rotating plates 7 are arranged on one sides of the coarse filter screen 10, the middle filter screen 11 and the fine filter screen 12, rotating ports are formed in the coarse filter screen 10, the middle filter screen 11 and the fine filter screen 12, a mounting port is formed in the first support plate 3, and one end of the rotating shaft 5 penetrates through the mounting port and the rotating port in sequence and is rotatably connected to one side of the second support plate 6; the side surfaces of the connecting columns 2 and the second supporting plate 6 are fixedly connected with a plurality of connecting columns 2 distributed in an annular array mode, one side of the ventilating duct 1 is fixedly connected with an air inlet pipe 13, the other side of the ventilating duct 1 is fixedly connected with an air outlet pipe 14, the side wall of the inner cavity of the ventilating duct 1 is fixedly connected with a ventilating fan 15, one side of the ventilating fan 15 is provided with a guide pipe, and two sides of the ventilating duct 1 are provided with communicating ports; the side wall of the inner cavity of the ventilating duct 1 is provided with a limiting groove, the limiting strip 8 is connected with the ventilating duct 1 in a sliding manner through the limiting groove, and the limiting strip 8 can move along with the rotating plate 7, so that the rotating track of the rotating plate 7 is limited by the limiting strip 8, and the rotating plate 7 and other structures are more stable; the device comprises a dust removing mechanism, wherein the dust removing mechanism comprises a supporting table 16, the bottom of the supporting table 16 is fixedly connected with a movable wheel set 17, the top of the supporting table 16 is fixedly connected with a dust removing shell 18, the bottom of the inner cavity of the dust removing shell 18 is fixedly connected with a lifting table 19, the top of the lifting table 19 is fixedly connected with a guide plate 20, the top of the lifting table 19 is fixedly connected with a filter screen plate 21, the top of the filter screen plate 21 is fixedly connected with a water pump 22, the water outlet end of the water pump 22 is fixedly connected with a first water pipe 23, the top end of the first water pipe 23 is fixedly connected with a second water pipe 24, the side surface of the second water pipe 24 is fixedly connected with a third water pipe 25, and the bottom of the third water pipe 25 is fixedly connected with an atomizing nozzle 26; a water adding pipe assembly is arranged at the top of the dust removing shell 18, a water outlet pipe assembly is arranged at one side of the dust removing shell 18, moving wheel sets 17 are fixedly connected at four corners of the bottom of the supporting table 16, the movement of the ventilation device can be facilitated through the moving wheel sets 17, the top of the guide plate 20 is of an arc-shaped structure, the second water pipe 24 is fixedly connected to the top of the inner cavity of the dust removing shell 18, a plurality of third water pipes 25 are fixedly connected to two sides of the second water pipe 24, the third water pipes 25 are fixedly connected to the side wall of the inner cavity of the dust removing shell 18, the water pump 22 can be supported by the filter screen plate 21, and the water pump 22 can be prevented from being blocked by the lifting table 19, the guide plate 20 and the filter screen plate 21; the dust removal device comprises an auxiliary structure, wherein the auxiliary structure comprises a fixing plate 27, the fixing plate 27 is fixedly connected to the top of a dust removal shell 18, the top of a ventilation pipeline 1 is fixedly connected with an installation pipe 28, the side wall of the inner cavity of the installation pipe 28 is fixedly connected with a dust removal fan 29, one side of the installation pipe 28 is fixedly connected with a first connecting pipe 30, the first connecting pipe 30 is fixedly connected to one side of the ventilation pipeline 1, the other side of the installation pipe 28 is fixedly connected with a second connecting pipe 31, the second connecting pipe 31 is fixedly connected to the top of the dust removal shell 18, the top of the dust removal shell 18 is fixedly connected with a third connecting pipe 32, and the third connecting pipe 32 is fixedly connected to the other side of the ventilation pipeline 1; the two sides of the ventilation pipeline 1 and the installation pipe 28 are both provided with first collecting ports, and the top of the dust removal shell 18 is fixedly connected with two symmetrically distributed second collecting ports; first connecting pipe 30 and second connecting pipe 31 are located ventilation pipe 1 both sides respectively, dust removal casing 18 top rigid coupling has a plurality of fixed plate 27, just the equal rigid coupling of fixed plate 27 in ventilation pipe 1 bottom, fixed plate 27 can support ventilation pipe 1.

When the dust removal fan is used, electrical components appearing in the dust removal fan are externally connected with a power supply and a control switch when in use, firstly, the ventilation fan 15 can ventilate underground coal mines, dust and the like can be filtered through the coarse filter screen 10, the middle filter screen 11 and the fine filter screen 12 at the moment, the dust and the like are prevented from polluting the environment, after a period of time, the ventilation fan 15 stops running, then the driving motor 4 drives the rotating shaft 5 to rotate, so as to drive the rotating plate 7 to rotate, and further drive the cleaning brush 9 to rotate, so that the coarse filter screen 10, the middle filter screen 11 and the fine filter screen 12 are cleaned respectively by the cleaning brush 9, the dust on the coarse filter screen 10, the middle filter screen 11 and the fine filter screen 12 is brushed, the effects of filtering and ventilation are prevented from being influenced by the blockage of the coarse filter screen 10, the middle filter screen 11 and the fine filter screen 12, and the cleaned dust is collected into the dust removal shell 18 by the dust removal fan 29, at this time, the dust cleaned in the ventilation pipeline 1 sequentially passes through the first connecting pipe 30, the mounting pipe 28 and the second connecting pipe 31 to enter the dust removal shell 18, at this time, water can be sequentially supplied into the first water pipe 23, the second water pipe 24 and the third water pipe 25 through the water pump 22, and is sprayed out by the atomizing nozzle 26, so that the dust is sprayed, the dust is prevented from floating to affect the health of workers in the surrounding environment, and the air flow after spraying treatment enters the ventilation pipeline 1 through the third connecting pipe 32.

The application has the advantages that:

1. the cleaning brush is compact in structure, and the cleaning brush can be driven to rotate through structures such as the driving motor and the rotating shaft, so that the cleaning brush is used for cleaning the filtering component, the filtering effect is prevented from being influenced by the blockage of the filtering component, and the underground ventilation of a coal mine is facilitated;

2. the dust spraying device is reasonable in structure, and can spray the cleaned dust by using the water pump and the atomizing nozzle structure, so that the dust is prevented from floating to influence the surrounding environment and damage the body health of workers;

3. this application simple structure utilizes first connecting pipe, second connecting pipe and third connecting pipe isotructure can be convenient for communicate air pipe and dust removal casing, can collect the dust of clearing up through dust exhausting fan isotructure, is convenient for handle the dust.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A colliery is ventilation unit in pit which characterized in that: including air pipe (1) and ventilation mechanism, ventilation mechanism includes spliced pole (2), spliced pole (2) rigid coupling is in air pipe (1) inner chamber lateral wall, first backup pad (3) of spliced pole (2) one end rigid coupling, first backup pad (3) one side rigid coupling driving motor (4), output rigid coupling axis of rotation (5) of driving motor (4), second backup pad (6) is connected in axis of rotation (5) one end rotation, rotor plate (7) of two symmetric distributions of axis of rotation (5) surface rigid coupling, spacing (8) of rotor plate (7) one end rigid coupling, clean brush (9) of rotor plate (7) one side rigid coupling, air pipe (1) inner chamber department is provided with filtering component.

2. The coal mine underground ventilation device according to claim 1, characterized in that: the filter assembly comprises a coarse filter screen (10), a middle filter screen (11) and a fine filter screen (12), the coarse filter screen (10), the middle filter screen (11) and the fine filter screen (12) are fixedly connected to the inner cavity side wall of the ventilation pipeline (1), the coarse filter screen (10), the middle filter screen (11) and the fine filter screen (12) are provided with rotating plates (7), the rotating openings are formed in the coarse filter screen (10), the middle filter screen (11) and the fine filter screen (12), the mounting openings are formed in the first supporting plate (3), and one end of the rotating shaft (5) penetrates through the mounting openings in sequence and is connected to one side of the second supporting plate (6) in a rotating mode.

3. The coal mine underground ventilation device according to claim 1, characterized in that: spliced pole (2) and second backup pad (6) side equal rigid coupling have spliced pole (2) that a plurality of is the annular array and distributes, air pipe (1) one side rigid coupling has air-supply line (13), air pipe (1) opposite side rigid coupling goes out tuber pipe (14), just air pipe (1) inner chamber lateral wall rigid coupling has ventilation fan (15), just ventilation fan (15) one side is provided with the stand pipe, the intercommunication mouth has all been seted up to air pipe (1) both sides.

4. The coal mine underground ventilation device according to claim 1, characterized in that: the limiting groove is formed in the side wall of the inner cavity of the ventilating duct (1), and the limiting strip (8) is connected with the ventilating duct (1) in a sliding mode through the limiting groove.

5. The coal mine underground ventilation device according to claim 1, characterized in that: the dust removal device comprises a dust removal mechanism, the dust removal mechanism comprises a supporting table (16), a moving wheel set (17) is fixedly connected to the bottom of the supporting table (16), a dust removal shell (18) is fixedly connected to the top of the supporting table (16), a lifting table (19) is fixedly connected to the bottom of an inner cavity of the dust removal shell (18), a guide plate (20) is fixedly connected to the top of the lifting table (19), a filter screen plate (21) is fixedly connected to the top of the lifting table (19), a water pump (22) is fixedly connected to the top of the filter screen plate (21), a water outlet end of the water pump (22) is fixedly connected to a first water pipe (23), a second water pipe (24) is fixedly connected to the top end of the first water pipe (23), a third water pipe (25) is fixedly connected to the side of the second water pipe (24), and an atomization spray head (26) is fixedly connected to the bottom of the third water pipe (25).

6. The underground coal mine ventilation device according to claim 5, characterized in that: the top of the dust removal shell (18) is provided with a water adding pipe assembly, one side of the dust removal shell (18) is provided with a water outlet pipe assembly, and four corners of the bottom of the support table (16) are fixedly connected with a movable wheel set (17).

7. The underground coal mine ventilation device according to claim 5, characterized in that: the top of the guide plate (20) is of an arc-shaped structure, the second water pipe (24) is fixedly connected to the top of the inner cavity of the dust removal shell (18), a plurality of third water pipes (25) are fixedly connected to two sides of the second water pipe (24), and the third water pipes (25) are fixedly connected to the side wall of the inner cavity of the dust removal shell (18).

8. The coal mine underground ventilation device according to claim 1, characterized in that: including auxiliary structure, auxiliary structure includes fixed plate (27), fixed plate (27) rigid coupling is in dust removal casing (18) top, air pipe (1) top rigid coupling installation pipe (28), installation pipe (28) inner chamber lateral wall rigid coupling dust exhausting fan (29), the first connecting pipe (30) of installation pipe (28) one side rigid coupling, first connecting pipe (30) rigid coupling is in air pipe (1) one side, installation pipe (28) opposite side rigid coupling second connecting pipe (31), second connecting pipe (31) rigid coupling is in dust removal casing (18) top, dust removal casing (18) top rigid coupling third connecting pipe (32), third connecting pipe (32) rigid coupling is in air pipe (1) opposite side.

9. The coal mine underground ventilation device of claim 8, wherein: first collection mouth has all been seted up to air pipe (1) and installation pipe (28) both sides, dust removal casing (18) top rigid coupling has the second of two symmetric distributions to collect the mouth.

10. The coal mine underground ventilation device of claim 8, wherein: first connecting pipe (30) and second connecting pipe (31) are located air pipe (1) both sides respectively, dust removal casing (18) top rigid coupling has a plurality of fixed plate (27), just the equal rigid coupling of fixed plate (27) is in air pipe (1) bottom.