CN211573575U

CN211573575U - Dust-settling device for underground excavation of coal mine

Info

Publication number: CN211573575U
Application number: CN201921835827.9U
Authority: CN
Inventors: 吴飞; 宁国召; 乔鑫
Original assignee: Yanhu Farm Tongshan District Xuzhou City
Current assignee: Xuzhou Genbang Building Materials Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-09-25
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a colliery is dug in pit and is used dust device relates to colliery dust fall technical field, specifically is a colliery is dug in pit and is used dust device, including falling the dirt case, fall the last fixed surface of dirt case and be connected with the fan, the gas outlet of fan and the air inlet fixed connection of intake pipe, the end of giving vent to anger of intake pipe is pegged graft in the inside of falling the dirt case, the lateral wall of falling the dirt case is pegged graft and is had the spray pipe, the one end of spray pipe and the outlet fixed connection of water pump, the water inlet fixedly connected with inlet tube of water pump, the spout has been seted up to the inner wall of falling the dirt case, the inside of spout is provided with filter equipment, the bottom fixedly connected with base of falling. This colliery is dug in pit and is used dust device through the setting of water pump and dust fall case, can possess hydrologic cycle's effect, has reached the purpose that reduces the water consumption, through gyro wheel and push rod, can conveniently remove, through the light, can possess the illuminating effect.

Description

Dust-settling device for underground excavation of coal mine

Technical Field

The utility model relates to a colliery dust device technical field specifically is a colliery is dug in pit and is used dust device.

Background

Almost all operations can produce dust during coal production. In particular to a high-yield and high-efficiency coal mining process with higher mechanization degree, which ensures that dust in the air of an underground operation point always keeps higher concentration. From the dust production situation of the fully mechanized mining face in China at present, according to determination, under the condition that no dustproof measures are used, the dust concentration of the fully mechanized mining face can reach 2500 + 3000mg/m3, the dust situation of the fully mechanized mining face is more serious, when the processes of coal cutting, frame moving, transferring and the like of the fully mechanized mining machine are operated in parallel, the individual instantaneous original total dust concentration of some coal mines is even as high as 6000 + 8000mg/m3, even if measures are taken, the dust situation of most working faces is still quite severe, and the dust concentration of the downwind side of the fully mechanized mining machine can reach more than 1000mg/m3 to the maximum. These dust concentration data are far beyond the relevant regulations of national standards. With the improvement of the mechanization degree and the high-yield and high-efficiency centralized mining, the dust yield is greatly increased, the physical health of miners is influenced, most mines in China are also explosive, and the safety production of the mines is seriously threatened. The coal mine dust hazard condition in China has not been well controlled for many years, the dust concentration of many operating environments far reaches the national sanitary standard, and coal dust explosion accidents still occur. Particularly, since the 90 s, with the development and rapid popularization and application of the fully mechanized mining technology in China, the mining intensity is getting larger and larger, the dust amount generated in the working procedures of moving the hydraulic support, discharging coal and the like is increased rapidly, and particularly the concentration of the respiratory dust is in an increasing trend.

The novel mixed dust device of wind-water in colliery that discloses in chinese utility model patent application publication CN207568643U, though, this novel mixed dust device of wind-water in colliery dust removal scope is big, do not need angle of adjustment in the pit, however, this novel mixed dust device of wind-water in colliery has the water consumption big, dust granule to be inhaled the back and damage equipment easily to can only carry out the shortcoming of dust fall to fixed place.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a colliery is dug in pit and is used dust device has solved the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a dust device for colliery is dug in pit, falls the dirt case including falling, the last fixed surface of falling the dirt case is connected with the fan, the gas outlet of fan and the fixed connection of the inlet end of intake pipe, the end of giving vent to anger of intake pipe is pegged graft in the inside of falling the dirt case, the lateral wall of falling the dirt case is pegged graft and is had the spray pipe, the one end of spray pipe and the outlet fixed connection of water pump, the water inlet fixedly connected with inlet tube of water pump, the inlet tube is pegged graft in the inside of falling the dirt case, the spout has been seted up to the inner wall of falling the dirt case, the inside of spout is provided with filter equipment, the bottom.

Optionally, the filter equipment comprises rose box, filter screen, movable pulley, handle, the inner diapire swing joint of rose box has the filter screen, the filtration pore has been seted up to the inner diapire of rose box, the bottom fixedly connected with movable pulley of rose box, one side fixedly connected with handle of rose box.

Optionally, the inside that the rose box will fall the dirt case is divided into epicoele and cavity of resorption, the vent has been seted up to the lateral wall of epicoele, the inner wall fixedly connected with dust removal net of vent, one side of dust removal net is provided with the baffle.

Optionally, water is arranged in the lower cavity, the upper surface of the water is lower than the lower surface of the filter box, a drain pipe is fixedly connected to one side of the bottom of the lower cavity, threads are arranged on the outer surface of the end of the drain pipe, and a drain valve is connected to the end of the drain pipe in a threaded manner.

Optionally, a connecting shaft is inserted into the lower portion of the base, two ends of the connecting shaft are rotatably connected with rollers, and a push rod is fixedly connected to one side of the base.

Optionally, an air inlet of the fan is fixedly connected with an air inlet hopper, the upper surface of the dust falling box is fixedly connected with an illuminating lamp, and the outer surface of the upper cavity is fixedly connected with a transparent window.

Optionally, the outer surface of one end of the water spray pipe is fixedly connected with spray heads, and the spray heads are arranged at intervals of 10 cm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this colliery is dug in pit and is used dust device, setting through water pump and fan, make this colliery dig in pit and use dust device possess hydrologic cycle's effect, the reduction water consumption has been reached, water-saving purpose, setting through the atomising head, the in-process that uses can form turbid liquid with the solid dust granule that the fan was inhaled and atomising head spun water mixture, thereby the effect of dust fall has been played, cooperation setting through rose box and filter screen, can carry out filtering separation with liquid, setting through the movable pulley, can conveniently pull out the rose box, and convenient to use has been reached, solid-liquid separation's purpose.

2. This colliery is dug in pit and is used dust device through the setting of light, makes this colliery dig in pit and use dust device possess the effect that can throw light on in the pit, sets up through the cooperation of push rod and gyro wheel, can conveniently promote dust fall equipment at the in-process that uses to play convenient removal, simple effect of economizing on labor, through the setting of transparent window, can observe the condition of falling the inside of dirt case, reached can master the purpose of falling the dirt incasement portion condition the very first time.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged schematic view of a portion A of FIG. 1 according to the present invention;

in the figure: 1. a dust falling box; 2. a fan; 3. an air inlet pipe; 4. a water spray pipe; 5. a water pump; 6. a water inlet pipe; 7. a base; 8. a filter box; 9. a filter screen; 11. a handle; 12. a dust removal net; 13. a partition plate; 14. A drain pipe; 15. a drain valve; 16. a roller; 17. a push rod; 18. an air inlet hopper; 19. an illuminating lamp; 20. a transparent window; 21. a spray head.

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

Referring to fig. 1 to 4, the present invention provides a technical solution: a dust falling device for underground excavation of a coal mine comprises a dust falling box 1, wherein a fan 2 is fixedly connected to the upper surface of the dust falling box 1, an air inlet hopper 18 is fixedly connected to an air inlet of the fan 2, an illuminating lamp 19 is fixedly connected to the upper surface of the dust falling box 1, a transparent window 20 is fixedly connected to the outer surface of an upper cavity, an air outlet of the fan 2 is fixedly connected with an air inlet end of an air inlet pipe 3, an air outlet end of the air inlet pipe 3 is inserted into the dust falling box 1, a water spraying pipe 4 is inserted into the side wall of the dust falling box 1, an atomizing head 21 is fixedly connected to the outer surface of one end of the water spraying pipe 4, the atomizing head 21 is arranged every 10cm, one end of the water spraying pipe 4 is fixedly connected with a water outlet of a water pump 5, a water inlet of the water pump 5 is fixedly connected with a water inlet pipe 6, the water inlet pipe 6 is inserted into, the interior of the chute is provided with a filtering device, the filtering device consists of a filtering box 8, a filtering screen 9, a sliding wheel and a handle 11, the inner bottom wall of the filtering box 8 is movably connected with the filtering screen 9, the inner bottom wall of the filtering box 8 is provided with a filtering hole, the bottom of the filtering box 8 is fixedly connected with the sliding wheel, one side of the filtering box 8 is fixedly connected with the handle 11, the filtering box 8 divides the interior of the dust-falling box 1 into an upper cavity and a lower cavity, the side wall of the upper cavity is provided with a ventilation opening, the inner wall of the ventilation opening is fixedly connected with a dust-removing net 12, one side of the dust-removing net 12 is provided with a partition plate 13, the interior of the lower cavity is provided with water, the upper surface of the water is lower than the lower surface of the filtering box 8, one side of the bottom of the lower cavity is fixedly connected with a, the bottom of the dust falling box 1 is fixedly connected with a base 7, the lower part of the base 7 is inserted with a connecting shaft, two ends of the connecting shaft are rotatably connected with rollers 16, and one side of the base 7 is fixedly connected with a push rod 17.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the dust-removing device is used, dust in the air is sucked into the dust-removing box 1 through the fan 2 and the air inlet hopper 18, water in the dust-removing box 1 is sucked into the water spray pipe 4 through the water pump 5 and sprayed out through the spray head 21, the sprayed water is mixed with the dust sucked in by the fan 2 to form turbid liquid, the turbid liquid flows into the filter box 8, the turbid liquid is filtered through the filter screen 9, the filtered liquid flows into the lower cavity of the dust-removing box 1 again, impurities are left on the filter screen 9, the filter box 8 can be pulled out by pulling the handle 11, the impurities on the filter screen 9 are removed, the water in the dust-removing box 1 can be discharged through the drain pipe 14 and the drain valve 15, the surrounding environment can be illuminated through the illuminating lamp 19, and the dust-removing box 1 can be conveniently moved through the idler wheel 16 and.

The utility model discloses a theory of operation and beneficial effect: this colliery is dug in pit and is used dust device, setting through water pump 5 and fan 2, make this colliery dig in pit and use dust device possess hydrologic cycle's effect, the reduction water consumption has been reached, water-saving purpose, setting through atomising head 21, the in-process that uses can form turbid liquid with the solid dust granule that fan 2 inhaled and atomising head spun water mixture, thereby the effect of dust fall has been played, cooperation setting through rose box 8 and filter screen 9, can carry out the filtering separation with liquid, setting through the movable pulley, can conveniently pull out rose box 8, and convenient to use has been reached, solid-liquid separation's purpose. Through the setting of light 19, make this colliery dig in pit with dust device possess the effect that can throw light on in the pit, through the cooperation setting of push rod 17 and gyro wheel 16, can conveniently promote dust fall equipment at the in-process that uses to play convenient the removal, simple laborsaving effect, through the setting of transparent window 20, can observe the condition of dust falling box 1 inside, reached can the very first time master the purpose of the inside condition of dust falling box 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a colliery is dug in pit and is used dust device, includes dust falling box (1), its characterized in that: the dust falling box is characterized in that a fan (2) is fixedly connected to the upper surface of the dust falling box (1), the air outlet of the fan (2) is fixedly connected with the air inlet end of an air inlet pipe (3), the air outlet end of the air inlet pipe (3) is inserted into the dust falling box (1), a water spray pipe (4) is inserted into the side wall of the dust falling box (1), one end of the water spray pipe (4) is fixedly connected with a water outlet of a water pump (5), a water inlet of the water pump (5) is fixedly connected with an inlet pipe (6), the inlet pipe (6) is inserted into the dust falling box (1), a sliding groove is formed in the inner wall of the dust falling box (1), a filtering device is arranged inside the sliding groove, and a base (7) is fixedly connected to the bottom of the dust falling box (.

2. The dust settling device for underground coal mine excavation according to claim 1, wherein: the filter equipment comprises rose box (8), filter screen (9), movable pulley, handle (11), the interior diapire swing joint of rose box (8) has filter screen (9), the filtration pore has been seted up to the interior diapire of rose box (8), the bottom fixedly connected with movable pulley of rose box (8), one side fixedly connected with handle (11) of rose box (8).

3. The dust settling device for underground coal mine excavation according to claim 2, characterized in that: the dust-removing box is characterized in that the interior of the dust-removing box (1) is divided into an upper cavity and a lower cavity by the filter box (8), a vent is formed in the side wall of the upper cavity, a dust-removing net (12) is fixedly connected to the inner wall of the vent, and a partition plate (13) is arranged on one side of the dust-removing net (12).

4. The dust settling device for underground coal mine excavation according to claim 3, wherein: the utility model discloses a filter box, including cavity of resorption, lower chamber, the inside water that is provided with of cavity of resorption, the upper surface of water is less than the lower surface of rose box (8), one side fixedly connected with drain pipe (14) of cavity of resorption bottom, the surface at drain pipe (14) end is provided with the screw thread, the end threaded connection of drain pipe (14) has drainage valve (15).

5. The dust settling device for underground coal mine excavation according to claim 1, wherein: the lower part of the base (7) is inserted with a connecting shaft, two ends of the connecting shaft are rotatably connected with rollers (16), and one side of the base (7) is fixedly connected with a push rod (17).

6. The dust settling device for underground coal mine excavation according to claim 3, wherein: an air inlet hopper (18) is fixedly connected to an air inlet of the fan (2), an illuminating lamp (19) is fixedly connected to the upper surface of the dust falling box (1), and a transparent window (20) is fixedly connected to the outer surface of the upper cavity.

7. The dust settling device for underground coal mine excavation according to claim 1, wherein: the outer surface of one end of the water spraying pipe (4) is fixedly connected with spraying heads (21), and the spraying heads (21) are arranged at intervals of 10 cm.