CN212803105U

CN212803105U - Orifice wet dust removal device for coal mine drilling

Info

Publication number: CN212803105U
Application number: CN202021634835.XU
Authority: CN
Inventors: 刘志明; 张高青; 宋武; 吴辉; 刘庆钢; 顾雪飞; 韦仕昌; 马安伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-08
Filing date: 2020-08-08
Publication date: 2021-03-26
Anticipated expiration: 2030-08-08

Abstract

The utility model discloses a wet dust collector in drill way for coal mine drilling relates to the coal mine drilling field, including the dust removal casing, flange fixedly connected with drilling sleeve pipe is passed through to one side of dust removal casing, the opposite side middle part through connection of dust removal casing has the drilling rod, the other end swing joint of sealed bearing and dust removal casing is passed through to the one end of drilling rod, the other end of drilling rod runs through dust removal casing and drilling sleeve pipe and fixedly connected with drill bit in proper order. The utility model discloses a both ends at the dust removal casing are provided with atomizer, atomizer can spout the water smoke, and the dust in spun water smoke and the dust removal casing combines to form the condensate, can blow the flying dust in the dust removal casing to bin outlet department through two atomizer spun water smoke for the dust condensate can be quick discharge through the bin outlet, eliminate the dust and fly upward, played effectual dustproof effect, stopped the coal dust and fly upward, created good operation environment for the scene.

Description

Orifice wet dust removal device for coal mine drilling

Technical Field

The utility model relates to a colliery drilling field, in particular to colliery is orifice wet dust collector for drilling.

Background

When gas drainage drilling and geological prediction detection drilling are carried out at various underground places, the coal bed is a three-soft coal bed, wet drilling construction cannot be carried out, and dust removal is carried out only by drilling with wind pressure. The phenomena of coal dust flying and coal dust accumulation in drilling construction operation sites are often caused, the ventilation environment of the operation sites is polluted, the bodies of operators are seriously injured, and occupational diseases of miners are easily caused. Therefore, it is necessary to provide a wet dust collector for coal mine drilling holes to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery is drill way wet dust collector for hole to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a wet dust collector for drilling holes in coal mines comprises a dust collecting shell, one side of the dust collecting shell is fixedly connected with a drilling sleeve through a connecting flange, a drill rod is connected in the middle of the other side of the dust removing shell in a penetrating way, one end of the drill rod is movably connected with the other end of the dust removing shell through a sealing bearing, the other end of the drill rod penetrates through the dust removal shell and the drilling sleeve in sequence and is fixedly connected with a drill bit, the drill bit is positioned at one end of the drilling sleeve, one end of the dust removing shell is fixedly connected with a discharge pipe orifice, both sides of the other end of the dust removing shell are fixedly connected with spraying devices, a spray head of the spraying device is embedded in the dust removal shell, the input end of the spraying device is fixedly connected with a high-pressure pipe, the high-pressure pipe is kept away from the one end fixedly connected with three-way valve of atomizer, the three-way valve is linked together with external water supply, air feeder.

Preferably, the three-way valve is communicated with an external water supply mechanism through a water pipe, and the three-way valve is communicated with an external air supply mechanism through an air pipe.

Preferably, the joint of the connecting flange and the dust removal shell is provided with a dustproof sealing gasket, and two sides of the dustproof sealing gasket are respectively attached to the connecting flange and the dust removal shell.

Preferably, the discharge orifice and the two spraying devices are distributed in an equilateral triangle.

Preferably, the auger blade is fixedly connected to the outer side of the other end of the drill rod and is located inside the drilling sleeve.

Preferably, the axial flow blade is fixedly connected to the outer side of the middle of the drill rod and is located on the inner side of one end, close to the dust removal shell, of the drilling sleeve.

The utility model discloses a technological effect and advantage:

the utility model discloses a both ends at the dust removal casing are provided with atomizer, atomizer can spout the water smoke, and the dust in spun water smoke and the dust removal casing combines to form the condensate, can blow the flying dust in the dust removal casing to bin outlet department through two atomizer spun water smoke for the dust condensate can be quick discharge through the bin outlet, eliminate the dust and fly upward, played effectual dustproof effect, stopped the coal dust and fly upward, created good operation environment for the scene.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic side view of the overall structure of the present invention.

Fig. 3 is a schematic cross-sectional view of the overall structure of the present invention.

In the figure: 1. a dust removal housing; 2. a connecting flange; 3. drilling a casing pipe; 4. a drill stem; 5. a drill bit; 6. a discharge tube orifice; 7. a spraying device; 8. a high pressure pipe; 9. a three-way valve; 10. a water pipe; 11. an air duct; 12. a dust-proof sealing gasket; 13. a screw blade; 14. axial flow blades.

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.

The utility model provides a hole wet dust collector for coal mine drilling as shown in fig. 1-3, as shown in fig. 1, including dust removal casing 1, flange 2 fixedly connected with drilling sleeve 3 is passed through to one side of dust removal casing 1, there is drilling rod 4 at the opposite side middle part through connection of dust removal casing 1, sealed bearing and dust removal casing 1's other end swing joint is passed through to the one end of drilling rod 4, dust removal casing 1 and drilling sleeve 3 and fixedly connected with drill bit 5 are run through in proper order to the other end of drilling rod 4, drill bit 5 is located drilling sleeve 3's one end, dust removal casing 1's one end fixedly connected with discharge pipe mouth 6, discharge pipe mouth 6 has played the effect of row material.

As shown in fig. 2, both sides of the other end of the dust removing housing 1 are fixedly connected with spraying devices 7, the spray heads of the spraying devices 7 are embedded in the dust removing housing 1, the discharge pipe orifice 6 and the two spraying devices 7 are distributed in an equilateral triangle, through the arrangement, the water mist sprayed by the two spraying devices 7 can blow the flying dust in the dust removing shell 1 to the discharge pipe opening 6, make the dust condensate can be quick discharge through row material mouth of pipe 6, atomizer 7's input fixedly connected with high-pressure tube 8, atomizer 7's one end fixedly connected with three-way valve 9 is kept away from to high-pressure tube 8, three-way valve 9 leads to pipe 10 and is linked together with external water supply mechanism, three-way valve 9 leads to pipe 11 and is linked together with external air feed mechanism through tuber pipe 11, three-way valve 9 carries water and wind in water pipe 10 and the tuber pipe 11 to atomizer 7 departments through the linkage of high-pressure tube 8, the effect of geomantic omen linkage has been reached.

As shown in fig. 3, a dustproof sealing gasket 12 is arranged at the joint of the connecting flange 2 and the dust removing housing 1, the dustproof sealing gasket 12 plays a role of sealing and dust prevention, two sides of the dustproof sealing gasket 12 are respectively attached to the connecting flange 2 and the dust removing housing 1, an auger blade 13 is fixedly connected to the outer side of the other end of the drill rod 4, the auger blade 13 is located inside the drilling sleeve 3, an axial flow blade 14 is fixedly connected to the outer side of the middle of the drill rod 4, the axial flow blade 14 is located at the inner side of one end, close to the dust removing housing 1, of the drilling sleeve 3, the auger blade 13 and the axial flow blade 14 are matched to play a role of conveying dust, and the fly ash generated.

The utility model discloses the theory of operation:

when gas drainage drilling and geological exploration drilling are constructed, firstly, a drill rod 4 and a drill bit 5 are drilled for a certain distance, then the drill rod 4 is withdrawn, the dust removal shell 1 and the drilling sleeve 3 are sleeved outside the drill rod 4, then the drilling machine is started to drill the drill rod 4 into a coal body again for construction drilling, in the process, the drill rod 4 drives an auger blade 13 and an axial flow blade 14 on the drill rod to rotate, the auger blade 13 and the axial flow blade 14 are matched to convey fly ash generated by the drill bit 5 into the dust removal shell 1, a three-way valve 9 conveys water and wind in a water pipe 10 and a wind pipe 11 to a spraying device 7 in a linkage manner through a high-pressure pipe 8, the fly ash is sprayed out through a spray head on the spraying device 7, the water sprayed out by the spray head wets the fly ash, the wet and condensed fly ash is discharged through a pipe opening 6 under the action of wind force, dust flying is eliminated, an effective dust prevention, creates a good working environment for the field.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a colliery is orifice wet dedusting device for drilling, includes dust removal casing (1), its characterized in that: one side of the dust removal shell (1) is fixedly connected with a drilling sleeve (3) through a connecting flange (2), the middle part of the other side of the dust removal shell (1) is connected with a drill rod (4) in a penetrating manner, one end of the drill rod (4) is movably connected with the other end of the dust removal shell (1) through a sealing bearing, the other end of the drill rod (4) sequentially penetrates through the dust removal shell (1) and the drilling sleeve (3) and is fixedly connected with a drill bit (5), the drill bit (5) is positioned at one end of the drilling sleeve (3), one end of the dust removal shell (1) is fixedly connected with a discharge pipe orifice (6), both sides of the other end of the dust removal shell (1) are fixedly connected with a spraying device (7), a spray head of the spraying device (7) is embedded in the dust removal shell (1), and an input end of the spraying device (, one end fixedly connected with three-way valve (9) of atomizer (7) is kept away from in high-pressure pipe (8), three-way valve (9) are linked together with external water supply, air feeder.

2. The coal mine drilling orifice wet dust removal device as claimed in claim 1, wherein: the three-way valve (9) is communicated with an external water supply mechanism through a water pipe (10), and the three-way valve (9) is communicated with an external air supply mechanism through an air pipe (11).

3. The coal mine drilling orifice wet dust removal device as claimed in claim 2, wherein: the joint of the connecting flange (2) and the dust removal shell (1) is provided with a dustproof sealing gasket (12), and the two sides of the dustproof sealing gasket (12) are respectively attached to the connecting flange (2) and the dust removal shell (1).

4. The coal mine drilling orifice wet dust removal device as claimed in claim 3, wherein: the discharge pipe orifice (6) and the two spraying devices (7) are distributed in an equilateral triangle shape.

5. The coal mine drilling orifice wet dust removal device as claimed in claim 4, wherein: the auger blade (13) is fixedly connected to the outer side of the other end of the drill rod (4), and the auger blade (13) is located inside the drilling sleeve (3).

6. The coal mine drilling orifice wet dust removal device as claimed in claim 5, wherein: the outer side of the middle of the drill rod (4) is fixedly connected with an axial flow blade (14), and the axial flow blade (14) is positioned on the inner side of one end, close to the dust removal shell (1), of the drilling sleeve (3).