CN217354446U

CN217354446U - Air supply device for underground coal mine tunneling

Info

Publication number: CN217354446U
Application number: CN202221453286.5U
Authority: CN
Inventors: 和志永
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-09-02
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses an air supply arrangement is used in colliery tunnelling in pit relates to air supply equipment technical field. The utility model discloses a: the spraying box is vertically arranged, the bottom of the spraying box is communicated with a discharge pipe, an air inlet pipe and a connecting pipe are communicated with the spraying box, and the free end of the air inlet pipe is communicated with the outside; the plurality of atomizing nozzles are all arranged in the spraying box and are distributed in a horizontal array; the water supply part is arranged on the spray box and supplies water for the plurality of atomizing spray heads; the filter box is communicated with the free end of the connecting pipe, and the filter box is communicated with an air outlet pipe. The utility model discloses when using, through the filtration of spraying and filter screen of a plurality of atomizer, carry out the external natural wind twice and filter, the filter effect is good, has realized the clearance to the filter screen simultaneously to avoid the dust to adhere to and cause the filter screen to appear blockking up, guarantee the air supply effect, can satisfy practical demand, consequently more have the practicality.

Description

Air supply device for underground coal mine tunneling

Technical Field

The utility model relates to an air supply equipment technical field, concretely relates to colliery is air supply arrangement for tunnelling in pit.

Background

The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an open pit coal mine, when a coal seam is far away from the ground surface, coal is generally selected to be excavated to an underground excavation roadway, the mineworker coal mine is the mineworker coal mine, when the distance between the coal seam and the ground surface is very close, the surface soil layer is generally selected to be directly stripped to excavate the coal, the open pit coal mine is the open pit coal mine, and in the underground excavation process of the coal mine, the underground ventilation needs to be carried out through an air supply device, so that the normal air circulation in the underground is ensured, and the oxygen requirement of workers is met.

Air supply arrangement is used in current colliery is tunnelling in pit when using, in order to filter the dust in the air of inhaling, install the filter screen mostly, nevertheless owing to lack the clearance structure, the filter screen is in long-term use, a large amount of dust can be adhered to on the surface, cause the jam easily, influence the air supply effect, the dust of single dependence filter screen in to the air simultaneously filters, the filter effect is relatively poor, can't satisfy the in-service use demand, consequently, an air supply arrangement is used in colliery tunnelling in the pit is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: for solving and lacking the clearance structure, the filter screen is in long-term use, and a large amount of dusts can be adhered to on the surface, causes the jam easily, influences the air supply effect, and single dependence filter screen filters the dust in the air simultaneously, the relatively poor technical problem of filter effect, the utility model provides a colliery is air supply arrangement for tunnelling in the pit.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

an air supply device for coal mine underground tunneling comprises:

the spraying box is vertically arranged, the bottom of the spraying box is communicated with a discharge pipe, an air inlet pipe and a connecting pipe are communicated with the spraying box, and the free end of the air inlet pipe is communicated with the outside;

the plurality of atomizing nozzles are all arranged in the spraying box and are distributed in a horizontal array;

the water supply part is arranged on the spray box and supplies water for the plurality of atomizing nozzles;

the filter box is communicated with the free end of the connecting pipe, and an air outlet pipe is communicated with the filter box;

the filter screen is in a funnel shape and is arranged in the filter box, and a collecting barrel is arranged at the bottom of the filter screen;

the exhaust fan is arranged in the filter box and is positioned at the bottom of the filter screen;

the cleaning rod is vertically arranged on the connecting pipe in a rotating mode through a bearing, a brush plate close to the filter screen is arranged on the cleaning rod, and the cleaning rod rotates under driving.

Furthermore, one end of the air inlet pipe communicated with the outside is horn-shaped.

Further, the spraying box is in a granary shape.

Further, the water supply part includes:

the water outlet pipe is horizontally arranged in the spraying box, and the plurality of atomizing nozzles are communicated with the water outlet pipe;

and one end of the water inlet pipe penetrates through the spraying box and is communicated with the water outlet pipe, and the other end of the water inlet pipe is communicated with the water supply equipment.

Further, the collecting cylinder thread is installed the bottom of filter screen still includes:

the opening is formed in the filter box;

and the sealing door is tightly arranged on the filter box in a sliding manner and is used for sealing the opening.

Further, the cleaning rod includes:

the vertical rod is vertically and rotatably arranged on the connecting pipe through a bearing;

at least one extension rod sets firmly the bottom and the structure of montant are the slope form, the brush board sets up the bottom of extension rod.

Further, still include:

and the driving motor is arranged on the connecting pipe and an output shaft is connected with the vertical rod.

The utility model has the advantages as follows: the utility model discloses when using, through the filtration that sprays and the filter screen of a plurality of atomizer, carry out external natural wind twice and filter, the filter effect is good, has realized the clearance to the filter screen simultaneously to avoid the dust to adhere to and cause the filter screen to appear blockking up, guarantee the air supply effect, can satisfy practical demand, consequently more have the practicality.

Drawings

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

fig. 2 is a left side view of the present invention;

fig. 3 is a cross-sectional view taken along the line a-a of fig. 2 in accordance with the present invention;

fig. 4 is an enlarged view of the present invention at B in fig. 3.

Reference numerals are as follows: 1. a spray box; 2. a discharge pipe; 3. an air inlet pipe; 4. a connecting pipe; 5. an atomizing spray head; 6. a filter box; 7. an air outlet pipe; 8. a filter screen; 9. a collection canister; 10. an exhaust fan; 11. cleaning the rod; 1101. a vertical rod; 1102. an extension rod; 12. a brush plate; 13. a water outlet pipe; 14. a water inlet pipe; 15. an opening; 16. sealing the door; 17. the motor is driven.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

As shown in fig. 1-4, an embodiment of the present invention provides an air supply device for coal mine underground excavation, including: the spraying box 1 is vertically arranged, the bottom of the spraying box is communicated with a discharge pipe 2, the spraying box 1 is communicated with an air inlet pipe 3 and a connecting pipe 4, the connecting pipe 4 is L-shaped, and the free end of the air inlet pipe 3 is communicated with the outside; the plurality of atomizing nozzles 5 are all arranged in the spray box 1 and are distributed in a horizontal array; a water supply part which is arranged on the spray box 1 and supplies water for the plurality of atomizing nozzles 5; the filter box 6 is communicated with the free end of the connecting pipe 4, and the filter box 6 is communicated with an air outlet pipe 7; the filter screen 8 is in a funnel shape and is arranged in the filter box 6, and the bottom of the filter screen 8 is provided with the collecting cylinder 9; the exhaust fan 10 is arranged in the filter box 6 and is positioned at the bottom of the filter screen 8; the cleaning rod 11 is vertically and rotatably arranged on the connecting pipe 4 through a bearing, a brush plate 12 close to the filter screen 8 is arranged on the cleaning rod 11, the cleaning rod 11 is driven to rotate, when the device is in actual use, a control valve is additionally arranged on the discharge pipe 2, when the device is normally used, the control valve is in a closed state, a receiving container is arranged at the bottom of the discharge pipe 2 so as to be convenient for intensively collecting waste water, when the device is used, the exhaust fan 10 is opened, the exhaust fan 10 works, external natural wind sequentially enters the air inlet pipe 3 and the spray box 1, in the process, water is supplied to the plurality of atomizing nozzles 5 through the water supply part, water mist sprayed by the plurality of atomizing nozzles 5 forms a covering film on the outer surface of the dust, wraps the dust with larger particles, and then falls into the bottom of the spray box 1 under the action of gravity, so as to filter the larger particle dust in the external natural wind, opening the control valve at intervals, the waste water mixed with larger particle dust enters the discharge pipe 2 and is discharged into the receiving container from the discharge pipe 2, the external natural wind then sequentially enters the connecting pipe 4 and the filter box 6, in the process, the dust is filtered and blocked by the filter screen 8 and is attached to the filter screen 8, the cleaning rod 11 is driven to rotate to drive the brush plate 12 to synchronously rotate along with the dust, the dust attached to the filter screen 8 is cleaned by the rotating brush plate 12, the cleaned dust falls into the collecting cylinder 9 and is intensively collected by the collecting cylinder 9 due to the shape design of the filter screen 8 so as to avoid the blockage of the filter screen 8, and the external natural wind after twice filtration is discharged along the air outlet pipe 7, to sum up, when the device is used, the external natural wind is filtered twice through the spraying of the plurality of atomizing nozzles 5 and the filtering of the filter screen 8, the filter effect is good, has realized the clearance to filter screen 8 simultaneously to avoid the dust to adhere to and cause filter screen 8 to appear blockking up, guarantee the air supply effect, can satisfy practical demand, consequently more have the practicality.

As shown in fig. 1, in some embodiments, the end of the air inlet pipe 3 communicating with the outside is configured to be trumpet-shaped, when in use, the air flow at the end of the air inlet pipe 3 communicating with the outside is suddenly accelerated to form turbulent flow, and the trumpet-shaped design can improve the air inlet amount to make the air supply amount larger.

As shown in fig. 1-2, in some embodiments, the spray tank 1 is constructed in a granary shape, and when in use, the shape design of the spray tank 1 realizes the guidance of waste water so as to avoid the situation that the waste water is silted up.

As shown in fig. 1-3, in some embodiments, the water supply includes: the water outlet pipe 13 is horizontally arranged in the spray box 1, and the plurality of atomizing nozzles 5 are communicated with the water outlet pipe 13; inlet tube 14, one end run through spray tank 1 and communicate with outlet pipe 13, the other end communicates with water supply equipment, outlet pipe 13 is close to the interior top surface that sprays tank 1, water supply equipment's one end is run through spray tank 1's top and communicates with outlet pipe 13 to inlet tube 14, when using, with inlet tube 14 keep away from outlet pipe 13 one end and water supply equipment (like water tap etc.) intercommunication, water gets into inlet tube 14 and outlet pipe 13 in proper order, later accomplish the reposition of redundant personnel in outlet pipe 13, spout from a plurality of atomizer 5.

As shown in fig. 1 to 4, in some embodiments, the collecting cylinder 9 is threadedly mounted at the bottom of the filter screen 8, the outer surface of the bottom of the filter screen 8 is configured as an internal thread, the inner wall of the collecting cylinder 9 is configured with an external thread matching with the internal thread, and the collecting cylinder further comprises: an opening 15 provided in the filter box 6; the sealing door 16 is closely arranged on the filter box 6 in a sliding manner and used for sealing the opening 15, the opening 15 and the sealing door 16 are both constructed in an arc shape, arc-shaped sliding blocks are fixedly arranged on the top surface and the ground of the sealing door 16, an accommodating groove and two sliding grooves which are both constructed in an arc shape and communicated are formed in the filter box 6, the sealing door 16 is closely matched with the accommodating groove in a sliding manner, the two sliding blocks are respectively closely matched with the two sliding grooves in a sliding manner, when the device is normally used, the sealing door 16 seals the opening 15, the collecting cylinder 9 is arranged at the bottom of the filter screen 8 in a threaded manner, the collecting cylinder 9 needs to be disassembled at intervals so as to be convenient for treating dust collected in the collecting cylinder, the sealing door 16 is driven to slide to be far away from the opening 15 and withdraw into the accommodating groove, the opening 15 is in a smooth state, then a worker passes a hand through the opening 15 and reversely rotates the collecting cylinder 9 until the collecting cylinder 9 is separated from the bottom of the filter screen 8, take out the surge drum 9 from rose box 6 again to empty the dust in the surge drum 9, wash surge drum 9 at last, the staff holds surge drum 9 afterwards, pass surge drum 9 opening 15 and lie in rose box 6, forward rotation surge drum 9 again, make surge drum 9 and filter screen 8 can't separate under non-exogenic action, it can to drive at last to close 16 sliding of door to shutoff opening 15, when the in-service use, should install the sealing washer additional on closing 16 door, with the leakproofness of guaranteeing this device when using, avoid appearing leaking gas.

As shown in fig. 4, in some embodiments, the clearing bar 11 comprises: a vertical rod 1101 vertically and rotatably disposed on the connecting pipe 4 through a bearing; at least one extension rod 1102 is fixedly arranged at the bottom end of the vertical rod 1101 and is inclined, the brush plates 12 are arranged at the bottom of the extension rod 1102, in this embodiment, the number of the extension rods 1102 is two, the extension rods are distributed in an annular array, the number of the brush plates 12 corresponds to the number of the extension rods 1102, when the electric toothbrush is used, the vertical rod 1101 is driven to rotate, the two extension rods 1102 and the two brush plates 12 are driven to synchronously rotate along with the rotation, and the inclination angle of the extension rods 1102 corresponds to the funnel-shaped angle of the filter screen 8.

As shown in fig. 2, in some embodiments, further comprising: the driving motor 17 is arranged on the connecting pipe 4, an output shaft of the driving motor 17 is connected with the vertical rod 1101, when the dust removing device is used, the driving motor 17 is turned on, the driving motor 17 works, the output shaft rotates to drive the vertical rod 1101 to synchronously rotate along with the output shaft, and the rotating speed of the output shaft of the driving motor 17 is not too fast to prevent dust from being directly swept out of the filter screen 8.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An air supply device for coal mine underground tunneling is characterized by comprising:

the spraying box (1) is vertically arranged, the bottom of the spraying box is communicated with a discharge pipe (2), an air inlet pipe (3) and a connecting pipe (4) are communicated on the spraying box (1), and the free end of the air inlet pipe (3) is communicated with the outside;

the plurality of atomizing nozzles (5) are all arranged in the spraying box (1) and are distributed in a horizontal array;

the water supply part is arranged on the spraying box (1) and supplies water for the plurality of atomizing nozzles (5);

the filter box (6) is communicated with the free end of the connecting pipe (4), and an air outlet pipe (7) is communicated with the filter box (6);

the filter screen (8) is in a funnel shape and is arranged in the filter box (6), and a collecting barrel (9) is arranged at the bottom of the filter screen (8);

the exhaust fan (10) is arranged in the filter box (6) and is positioned at the bottom of the filter screen (8);

cleaning rod (11), through the bearing vertical to rotating the setting be in on connecting pipe (4), be provided with on cleaning rod (11) and press close to brush board (12) of filter screen (8), cleaning rod (11) rotate under the drive.

2. The air supply device for coal mine underground excavation according to claim 1, wherein one end of the air inlet pipe (3) communicated with the outside is horn-shaped.

3. The air supply device for coal mine underground tunneling according to claim 1, wherein the spraying box (1) is in a granary shape.

4. The air supply device for coal mine underground excavation according to claim 1, wherein the water supply part includes:

the water outlet pipe (13) is horizontally arranged in the spray box (1), and the plurality of atomizing nozzles (5) are communicated with the water outlet pipe (13);

and one end of the water inlet pipe (14) penetrates through the spraying box (1) and is communicated with the water outlet pipe (13), and the other end of the water inlet pipe is communicated with water supply equipment.

5. The air supply device for coal mine underground excavation according to claim 1, wherein the collecting cylinder (9) is installed at the bottom of the filter screen (8) in a threaded manner, and further comprises:

an opening (15) provided in the filter box (6);

and the sealing door (16) is tightly arranged on the filter box (6) in a sliding manner and is used for sealing the opening (15).

6. The air supply device for coal mine underground excavation according to claim 1, wherein the cleaning rod (11) comprises:

the vertical rod (1101) is vertically and rotatably arranged on the connecting pipe (4) through a bearing;

at least one extension rod (1102) fixedly arranged at the bottom end of the vertical rod (1101) and configured to be inclined, and the brush board (12) is arranged at the bottom of the extension rod (1102).

7. The air supply device for coal mine underground excavation according to claim 6, further comprising:

and the driving motor (17) is arranged on the connecting pipe (4), and an output shaft is connected with the vertical rod (1101).