CN213116382U

CN213116382U - Ventilation device for coal mine excavation roadway

Info

Publication number: CN213116382U
Application number: CN202022252269.2U
Authority: CN
Inventors: 李玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-05-04
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a ventilation device for a coal mine tunneling roadway, which belongs to the technical field of coal mine ventilation, and adopts the technical proposal that the ventilation device comprises a shell, a clapboard is fixedly connected with the inner wall of the shell, a water tank is fixedly connected with the top of the clapboard, the inner bottom wall of the water tank is provided with a spraying mechanism, the spraying mechanism sequentially penetrates through the clapboard and the shell and extends to the outside of the shell, and a controller is arranged at the top of the water tank, through arranging a dust sensor and the controller, the ventilation device can conveniently monitor the air in the roadway, when the dust content in the air is too high, the spraying mechanism can conveniently spray and reduce dust in time, through arranging the spraying mechanism, when the dust content in the air in the roadway is too high, the controller controls a water pump to be started, so that the water stored in the water tank is pumped out by a spray head, thereby reducing dust in the air, reduce the harm of dust to the staff, protect the healthy of staff.

Description

Ventilation device for coal mine excavation roadway

Technical Field

The utility model relates to a colliery ventilation technical field, more specifically say, relate to a colliery is ventilation unit for tunnelling.

Background

The basic task of mine ventilation is to supply enough fresh air 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 mainly adopts a diagonal mode and a partition mode, and a newly-built production mine mainly adopts a mixed mode.

However, the existing ventilation device for the coal mine excavation roadway directly extracts and discharges air containing dust in the coal mine roadway, so that the pollution to the surrounding environment is easily caused, a large amount of dust is generated when the roadway is constructed, various lung diseases can be generated when workers excessively suck in the body, and the health of the workers is harmed.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a ventilation unit is used in colliery tunnelling tunnel, its advantage lies in discharging again after can filtering the dust in the air, protects all ring edge borders, when producing a large amount of dusts in the tunnel simultaneously, can spray the dust, reduces the dust content in the tunnel air, is favorable to protecting that the staff's is healthy.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A ventilation device for a coal mine tunneling roadway comprises a shell, wherein a partition plate is fixedly connected to the inner wall of the shell, a water tank is fixedly connected to the top of the partition plate, a spraying mechanism is arranged on the inner bottom wall of the water tank, the spraying mechanism sequentially penetrates through the partition plate and the shell and extends to the outside of the shell, a controller is arranged at the top of the water tank, a first ventilation pipe located above the controller is arranged on the inner wall of the shell, the first ventilation pipe penetrates through the shell and extends to the outside of the shell, a second ventilation pipe is communicated with the top of the first ventilation pipe and penetrates through the shell and extends to the outside of the shell, two negative pressure fans are arranged on the inner wall of the first ventilation pipe, filtering mechanisms clamped with the inner wall of the first ventilation pipe are arranged on opposite sides of the negative pressure fans, and cleaning mechanisms are arranged on the inner wall of the filtering mechanisms, the inner bottom wall of the filtering mechanism is provided with a dust sensor, the output end of the dust sensor is electrically connected with the input end of the controller, and the bottom of the shell is provided with an expansion bolt which penetrates through the shell and extends to the upper side of the shell.

Further, spraying mechanism includes the water pump, the bottom of water pump and the interior diapire fixed connection of water tank, the right side intercommunication of water pump has the outlet pipe, the outlet pipe runs through the baffle and extends to the below of baffle, the bottom intercommunication of outlet pipe has annular water pipe, the bottom intercommunication of annular water pipe has the atomising head of annular distribution, the atomising head runs through the shell and extends to the outside of shell, the input of water pump and the output electric connection of controller.

Further, the inner top wall and the inner bottom wall of the first ventilation pipe are provided with two clamping grooves.

Further, filtering mechanism includes a fixed cylinder and a fixing base, the inner wall joint of a fixed cylinder and first ventilation pipe, two the bracing piece that the equal fixedly connected with annular of opposite side of a fixed cylinder distributes, the bracing piece is connected with the fixed surface of fixing base, one side fixedly connected with filter screen of negative pressure fan is kept away from to the bracing piece.

Further, the top and the equal fixedly connected with card strip in bottom of a solid fixed cylinder, the card strip is located the inner wall of draw-in groove, two the equal fixedly connected with handle of the dorsal part mutually of a solid fixed cylinder.

Further, clean the mechanism and include the dead lever, the top of dead lever and the interior roof fixed connection of a fixed section of thick bamboo, the bottom fixedly connected with motor of dead lever, the output shaft fixedly connected with of motor rotates the dwang of being connected with the fixing base, the fixed surface of dwang is connected with the piece that cleans for two in quantity, clean the piece and contact with the filter screen near one side of negative pressure fan.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) according to the scheme, the dust sensor and the controller are arranged, the ventilation device can conveniently monitor air in a roadway, when the dust content in the air is too high, the spraying mechanism can conveniently spray and reduce dust in time, the controller controls the water pump to start when the dust content in the air in the roadway is too high, so that water stored in the water tank is pumped out by the water pump and is sprayed out through the spraying head, the dust reduction is carried out on the air, the harm of the dust to workers is reduced, the health of the workers is protected, the dust in the pumped air is conveniently filtered by arranging the filtering mechanism, and the situation that the surrounding environment is polluted due to the fact that the dust is pumped out along with the air is prevented;

(2) through setting up the draw-in groove, be convenient for make filtering mechanism and first ventilation pipe carry out the joint, prevent that filtering mechanism from breaking away from first ventilation pipe, through setting up handle and card strip, be convenient for carry out the relation of being connected with first ventilation pipe through the handle and break away from to be convenient for clean filtering mechanism and clean the mechanism and maintain, clean the mechanism through setting up, be convenient for clean the dust removal to the filter screen, prevent that the mesh of dust jam filter screen, the clearance that influences the filter effect appears.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front sectional view of the present invention;

FIG. 3 is a side view of the present invention;

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

The reference numbers in the figures illustrate:

1. a housing; 2. a first vent pipe; 201. a card slot; 3. a filtering mechanism; 301. a fixed cylinder; 302. a fixed seat; 303. a support bar; 304. a filter screen; 305. clamping the strip; 306. a handle; 4. a cleaning mechanism; 401. a motor; 402. fixing the rod; 403. rotating the rod; 404. cleaning the block; 5. a second vent pipe; 6. an expansion bolt; 7. a water tank; 8. a spraying mechanism; 801. a water pump; 802. a water outlet pipe; 803. an annular water pipe; 804. a spray head; 9. a partition plate; 10. a dust sensor; 11. a negative pressure fan; 12. and a controller.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, a ventilation device for coal mine excavation roadway includes a housing 1, a partition 9 is fixedly connected to an inner wall of the housing 1, a water tank 7 is fixedly connected to a top portion of the partition 9, a spraying mechanism 8 is disposed on an inner bottom wall of the water tank 7, the spraying mechanism 8 sequentially penetrates through the partition 9 and the housing 1 and extends to an outside of the housing 1, a controller 12 is disposed on a top portion of the water tank 7, a first ventilation pipe 2 located above the controller 12 is disposed on an inner wall of the housing 1, the first ventilation pipe 2 penetrates through the housing 1 and extends to the outside of the housing 1, a second ventilation pipe 5 is communicated with a top portion of the first ventilation pipe 2, the second ventilation pipe 5 penetrates through the housing 1 and extends to the outside of the housing 1, two negative pressure fans 11 are disposed on an inner wall of the first ventilation pipe 2, a filtering mechanism 3 clamped with an inner wall of the first ventilation pipe 2, the inner wall of filter mechanism 3 is provided with cleans mechanism 4, the inner diapire of filter mechanism 3 is provided with dust sensor 10, the output of dust sensor 10 and the input electric connection of controller 12, the bottom of shell 1 is provided with expansion bolts 6, expansion bolts 6 run through shell 1 and extend to the top of shell 1, through setting up dust sensor 10 and controller 12, the ventilation unit of being convenient for monitors the air in the tunnel, when dust content was too high in the air, the dust fall of spraying 8 in time of the mechanism of being convenient for sprays.

Referring to fig. 2, the spraying mechanism 8 includes a water pump 801, the bottom of the water pump 801 is fixedly connected with the inner bottom wall of the water tank 7, the right side of the water pump 801 is communicated with a water outlet pipe 802, the water outlet pipe 802 penetrates through the partition plate 9 and extends to the lower side of the partition plate 9, the bottom of the water outlet pipe 802 is communicated with an annular water pipe 803, the bottom of the annular water pipe 803 is communicated with annularly distributed spraying heads 804, the spraying heads 804 penetrate through the housing 1 and extend to the outside of the housing 1, the input end of the water pump 801 is electrically connected with the output end of the controller 12, and by arranging the spraying mechanism 8, when the dust content in the air in the roadway is excessive, the controller 12 controls the water pump 801 to start, so that the water pump 801 pumps the water stored in the water tank 7 out through the spraying heads 804 to spray out, thereby performing dust fall on the.

Referring to fig. 1, 2 and 3, the two clamping grooves 201 are formed in the inner top wall and the inner bottom wall of the first ventilation pipe 2, and the clamping grooves 201 are arranged to facilitate clamping of the filtering mechanism 3 and the first ventilation pipe 2 and prevent the filtering mechanism 3 from being separated from the first ventilation pipe 2.

Refer to fig. 1, fig. 2, fig. 3, fig. 4, filtering mechanism 3 includes a fixed cylinder 301 and a fixing base 302, a fixed cylinder 301 and the inner wall joint of first ventilation pipe 2, the equal fixedly connected with annular distribution's of the opposite side bracing piece 303 of two fixed cylinders 301, the fixed surface of bracing piece 303 and fixing base 302 is connected, one side fixedly connected with filter screen 304 that negative pressure fan 11 was kept away from to bracing piece 303, through setting up filtering mechanism 3, be convenient for filter the dust in the air of taking out, prevent that the dust from being taken out the back along with the air, cause the contaminated condition of all ring edge borders to appear.

Referring to fig. 1, 2, 3 and 4, the top and the bottom of the fixed cylinder 301 are fixedly connected with the clamping strips 305, the clamping strips 305 are located on the inner wall of the clamping groove 201, the opposite sides of the two fixed cylinders 301 are fixedly connected with the handles 306, and the handles 306 and the clamping strips 305 are arranged, so that the filtering mechanism 3 and the first ventilation pipe 2 can be conveniently disconnected through the handles 306, and the filtering mechanism 3 and the cleaning mechanism 4 can be conveniently maintained.

Referring to fig. 2, fig. 3, fig. 4, clean mechanism 4 and include dead lever 402, the top of dead lever 402 and the interior roof fixed connection of a fixed cylinder 301, the bottom fixedly connected with motor 401 of dead lever 402, the output shaft fixedly connected with of motor 401 rotates dwang 403 of being connected with fixing base 302, the fixed surface of dwang 403 is connected with the piece 404 that cleans that quantity is two, clean one side that piece 404 is close to negative-pressure fan 11 and contact with filter screen 304, clean mechanism 4 through setting up, be convenient for clean the dust removal to filter screen 304, prevent that the mesh of filter screen 304 is blockked up to the dust, the clearance that influences the filter effect appears.

The utility model discloses a theory of operation is: when the dust cleaning device is required to be used, firstly, the expansion bolt 6 is utilized to fix the ventilation device at a proper position, then, the negative pressure fan 11 is started, the negative pressure fan 11 pumps air in a roadway out through the first ventilation pipe 2, the air containing dust is firstly filtered through the filter screen 304, the filter mechanism 3 is arranged, dust in the pumped air is convenient to filter, the situation that the surrounding environment is polluted is prevented from occurring after the dust is pumped out along with the air, the filtered air is discharged through the second ventilation pipe 5, meanwhile, the motor 401 drives the rotating rod 403 to rotate, the rotating rod 403 drives the cleaning block 404 to rotate, the cleaning block 404 cleans the surface of the filter screen 304, the cleaning mechanism 4 is arranged, the dust cleaning of the filter screen 304 is convenient, the dust is prevented from blocking meshes of the filter screen 304, the cleaning effect is influenced, when the dust sensor 10 senses that the dust content in the air is too much, through arranging the dust sensor 10 and the controller 12, the ventilation device is convenient to monitor the air in the tunnel, when the dust content in the air is too high, the spraying mechanism 8 is convenient to spray and fall dust in time, the dust sensor 10 transmits a signal to the controller 12, the controller 12 controls the water pump 801 to start, the water pump 801 conveys the water in the water tank 7 to the annular water pipe 803 through the water outlet pipe 802, and finally the water is atomized and sprayed out through the spraying head 804, through arranging the spraying mechanism 8, when the dust content in the air in the tunnel is too much, the controller 12 controls the water pump 801 to start, so that the water pump 801 pumps the water stored in the water tank 7 out and sprays out through the spraying head 804, thereby the air is subjected to fall dust, the harm of dust to workers is reduced, the health of the workers is protected, when the filtering mechanism 3 or the cleaning mechanism 4 fails, only the fixing barrel 301 needs to be driven to move through the handle 306, through setting up handle 306 and card strip 305, be convenient for carry out the relation of connection with filtering mechanism 3 and first ventilation pipe 2 through handle 306 and break away from, thereby be convenient for maintain filtering mechanism 3 and clean mechanism 4, fixed section of thick bamboo 301 drives the slip of card strip 305 at the inner wall of draw-in groove 201, through setting up draw-in groove 201, be convenient for make filtering mechanism 3 carry out the joint with first ventilation pipe 2, prevent filtering mechanism 3 from breaking away from first ventilation pipe 2, thereby break away from filtering mechanism 3 and first ventilation pipe 2's relation of connection, reinstallate after the maintenance can.

It should be noted that, in the above description, the motor 401, the water pump 801, the dust sensor 10, the negative pressure fan 11, the controller 12, and the like are all devices that are mature in application of the prior art, and the specific models may be selected according to actual needs, and meanwhile, the power supply of the motor 401, the water pump 801, the dust sensor 10, the negative pressure fan 11, and the controller 12 may be power supplied by a built-in power supply or by mains supply, and the specific power supply mode is selected according to circumstances and is not described herein.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a ventilation unit for coal mine tunnelling tunnel, includes shell (1), its characterized in that: the inner wall of the shell (1) is fixedly connected with a partition plate (9), the top of the partition plate (9) is fixedly connected with a water tank (7), the inner bottom wall of the water tank (7) is provided with a spraying mechanism (8), the spraying mechanism (8) sequentially penetrates through the partition plate (9) and the shell (1) and extends to the outside of the shell (1), the top of the water tank (7) is provided with a controller (12), the inner wall of the shell (1) is provided with a first ventilation pipe (2) positioned above the controller (12), the first ventilation pipe (2) penetrates through the shell (1) and extends to the outside of the shell (1), the top of the first ventilation pipe (2) is communicated with a second ventilation pipe (5), the second ventilation pipe (5) penetrates through the shell (1) and extends to the outside of the shell (1), the inner wall of the first ventilation pipe (2) is provided with two negative pressure fans (11), the reverse side of negative pressure fan (11) all is provided with filtering mechanism (3) with the inner wall joint of first ventilation pipe (2), the inner wall of filtering mechanism (3) is provided with cleans mechanism (4), the inner diapire of filtering mechanism (3) is provided with dust sensor (10), the output of dust sensor (10) and the input electric connection of controller (12), the bottom of shell (1) is provided with expansion bolts (6), expansion bolts (6) run through shell (1) and extend to the top of shell (1).

2. The ventilation device for the coal mine excavation roadway according to claim 1, characterized in that: the spraying mechanism (8) comprises a water pump (801), the bottom of the water pump (801) is fixedly connected with the inner bottom wall of the water tank (7), the right side of the water pump (801) is communicated with a water outlet pipe (802), the water outlet pipe (802) penetrates through the partition plate (9) and extends to the lower portion of the partition plate (9), the bottom of the water outlet pipe (802) is communicated with an annular water pipe (803), the bottom of the annular water pipe (803) is communicated with spraying heads (804) which are distributed in an annular shape, the spraying heads (804) penetrate through the shell (1) and extend to the outside of the shell (1), and the input end of the water pump (801) is electrically connected with the output end of the controller (12).

3. The ventilation device for the coal mine excavation roadway according to claim 1, characterized in that: the interior roof and the interior diapire of first ventilation pipe (2) all offer quantity be two draw-in groove (201).

4. The ventilation device for the coal mine excavation roadway according to claim 1, characterized in that: filtering mechanism (3) are including a fixed section of thick bamboo (301) and fixing base (302), the inner wall joint of a fixed section of thick bamboo (301) and first ventilation pipe (2), two bracing piece (303) that the equal fixedly connected with annular of opposite side of a fixed section of thick bamboo (301) distributes, the fixed surface of bracing piece (303) and fixing base (302) is connected, one side fixedly connected with filter screen (304) of negative pressure fan (11) are kept away from in bracing piece (303).

5. The ventilation device for the coal mine excavation roadway according to claim 4, characterized in that: the top and the equal fixedly connected with card strip (305) in bottom of solid fixed cylinder (301), card strip (305) are located the inner wall of draw-in groove (201), two the equal fixedly connected with handle (306) of the back of the body side of solid fixed cylinder (301).

6. The ventilation device for the coal mine excavation roadway according to claim 4, characterized in that: clean mechanism (4) including dead lever (402), the top of dead lever (402) and the interior roof fixed connection of a fixed cylinder (301), the bottom fixedly connected with motor (401) of dead lever (402), the output shaft fixedly connected with of motor (401) rotates dwang (403) of being connected with fixing base (302), the fixed surface of dwang (403) is connected with the piece (404) that cleans that quantity is two, clean one side that piece (404) are close to negative pressure fan (11) and contact with filter screen (304).