CN109915050A - Underground coal mine dry drilling drilling hole dust collector apparatus and method - Google Patents
Underground coal mine dry drilling drilling hole dust collector apparatus and method Download PDFInfo
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- CN109915050A CN109915050A CN201910231472.0A CN201910231472A CN109915050A CN 109915050 A CN109915050 A CN 109915050A CN 201910231472 A CN201910231472 A CN 201910231472A CN 109915050 A CN109915050 A CN 109915050A
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- drilling
- inner sleeve
- outer tube
- ring flange
- sleeve
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- 238000005553 drilling Methods 0.000 title claims abstract description 105
- 239000003245 coal Substances 0.000 title claims abstract description 51
- 239000000428 dust Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
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- Earth Drilling (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Underground coal mine dry drilling drilling hole dust collector device, including outer tube and inner sleeve, inner sleeve is coaxial to be arranged in outer tube, outer tube is coaxial to be installed in the aperture of drilling, outer tube outer end and inner sleeve outer end are provided with ring flange, the outer diameter of ring flange is greater than the outer diameter of outer tube, ring flange medial surface contacts with coal petrography wall and passes through fixed device and is fixed on coal petrography wall, outer tube inner end and inner sleeve inner end are provided with annular closure plate, several spray holes are uniformly provided on inner sleeve, toroidal cavity is formed between outer tube and inner sleeve, the water inlet pipe being connected to toroidal cavity is connected on ring flange, valve is provided on water inlet pipe.The invention also discloses the dust removal methods using the device, the present invention is easily installed, is easy to operate, can in time, effectively capture the dust generated in dry drilling, and the spray holes on inner sleeve are uniformly distributed in multiple rows of, can repeatedly capture dust, guarantee dust removing effects.
Description
Technical field
The invention belongs to safety of coal mines production technique fields, and in particular to a kind of underground coal mine dry drilling drilling hole dust collector dress
It sets and method.
Background technique
It is general using by carrying out pressure wind row inside hollow drill pipe during the drilling of underground coal mine dry drilling
Powder can thus generate a large amount of dust, these dust can not only endanger the health of worker, but also will affect sight, increase
Probability is hurt in processing, can also accelerate the abrasion of underground equipment, instrument, it is therefore necessary to the powder generated in the drilling process of dry drilling
Dirt is handled.
Summary of the invention
The present invention in order to solve shortcoming in the prior art, provide a kind of structure it is simple, convenient for operation, dust removing effects
Good underground coal mine dry drilling drilling hole dust collector apparatus and method.
In order to solve the above technical problems, the present invention adopts the following technical scheme: underground coal mine dry drilling drilling hole dust collector fills
It sets, including outer tube and inner sleeve, inner sleeve is coaxial to be arranged in outer tube, using the drilling direction of drilling as ecto-entad
Direction, outer tube is coaxial to be installed in the aperture of drilling, and outer tube outer end and inner sleeve outer end are provided with ring flange, ring flange
Outer diameter be greater than outer tube outer diameter, ring flange medial surface contacted with coal petrography wall and pass through fixation device be fixed on coal petrography wall,
Outer tube inner end and inner sleeve inner end are provided with annular closure plate, are uniformly provided with several spray holes on inner sleeve, outer tube and
Toroidal cavity is formed between inner sleeve, and the water inlet pipe being connected to toroidal cavity is connected on ring flange, is provided with valve on water inlet pipe
Door.
The inner end of inner sleeve inside pipe wall is provided with wear-resistant sleeve.
The medial surface of annular closure plate is coaxial to be fixedly connected with conical guide sleeve, and conical guide sleeve is in interior thick outer thin circular cone
The inner end diameter of shape structure, conical guide sleeve is equal with the diameter of outer tube, the outer end diameter of bore of conical guide sleeve with it is wear-resisting
The diameter of set is equal.
Fixed device is anchor pole and fastening nut, along the circumferential direction offers several mounting holes on ring flange, anchor pole passes through
Mounting hole is extend into coal petrography wall, and fastening nut is threaded in anchor pole outer end and crimps with ring flange.
The dust removal method of underground coal mine dry drilling drilling hole dust collector device, includes the following steps,
(1) after determining bore position, bore diameter, inclination angle, length, azimuth, starting drilling machine drills, and stops after creeping into 2m
Only, reaming carried out to the drilling of 2m depth, the overall length of outer tube and conical sleeve is 2m, and the diameter of first reaming is slightly smaller than outer tube
Outer diameter stop reaming；
(2) underground coal mine dry drilling drilling hole dust collector device is tucked into the aperture reaming section of drilling, until ring flange and coal petrography
Wall is in close contact and passes through fixed device and is fixed on coal petrography wall；
(3) by the high-pressure water of the input end connection underground coal mine of water inlet pipe；
(4) diameter of drilling rod and drill bit is less than the internal diameter of inner sleeve, drilling rod and drill bit and is penetrated by coaxial inside inner sleeve, starts
Drilling machine drives the carry out non-circulating drilling operation to the coal seam on the inside of conical guide sleeve of drilling rod and drilling bit high-speed rotary, at the same open into
Valve on water pipe, pressure-air are sprayed by entering inside drilling rod by the drill bit of inner end, dust by drill hole inner wall and drilling rod outside
Gap between wall is discharged from inside to outside, and after dust enters inner sleeve inside by conical sleeve, high pressure water enters annular
It is sprayed in cavity by spray holes, in time, effectively captures the dust overflowed outward, dust becomes coal slime by the outer of inner sleeve after getting wet
Port discharge.
Step (2) is first parallel in drilling circumferencial direction construction before installing underground coal mine dry drilling drilling hole dust collector device
In several boltholes of drilling, the quantity of bolthole is equal with the installation hole number on ring flange, puts anchor into bolthole
Bar is anchored, and there is screw thread in the outer end of anchor pole, while outer tube and inner sleeve are filled in the drilling after reaming, by ring flange
On mounting hole hole pass through anchor pole outer end, and be fixed with fastening nut, the installation for completing fixed device is fixed.
By adopting the above technical scheme, the present invention in conical sleeve play the role of be oriented to dust enter inner sleeve, keep away
Exempt to block at ring baffle.In bore operation, it is easy to control at aperture concentric between drilling rod and inner sleeve external port
Degree is just difficult to control concentricity at the inner port of inner sleeve, therefore wear-resistant sleeve is arranged in the inner wall of inner sleeve inner port, in this way
It avoids drilling rod from directly contacting when rotating at high speed with inner sleeve inside pipe wall, to extend the service life of inner sleeve, prevents inner sleeve
Leak after abrasion influences the effect of atomizing de-dusting.Valve is used to adjust the size for carrying out spray amount by spray holes.Flange is folded
To limit outer tube and inner sleeve extend into drill in length effect, and for blocking after outer tube and reaming between hole wall
Gap.
Flange head is fixed on coal petrography wall by fixed device, ensures the stability of outer tube and inner sleeve in this way.
Present invention is mainly used for the dedusting of flat hole or upward hole in dry drilling operation, principle of the invention science, structure
Simply, be easily installed, be easy to operate, can in time, effectively capture the dust generated in dry drilling, and the spray on inner sleeve
Mist hole is uniformly distributed in multiple rows of, can repeatedly capture dust, guarantees dust removing effects.
Detailed description of the invention
Fig. 1 is overall structure diagram of the present invention in drilling operation；
Fig. 2 is structural schematic diagram of the invention；
Fig. 3 is the right view of Fig. 1.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, underground coal mine dry drilling drilling hole dust collector device of the invention, including 1 He of outer tube
Inner sleeve 2, inner sleeve 2 is coaxial to be arranged in outer tube 1, using the drilling direction of drilling as the direction of ecto-entad, outer tube 1
In the coaxial aperture for being installed to drilling 3,1 outer end of outer tube and 2 outer end of inner sleeve are provided with ring flange 4, the outer diameter of ring flange 4
Greater than the outer diameter of outer tube 1,4 medial surface of ring flange contacts with coal petrography wall and passes through fixed device and is fixed on coal petrography wall, housing
1 inner end of pipe and 2 inner end of inner sleeve are provided with annular closure plate 5, several spray holes 6, outer tube 1 are uniformly provided on inner sleeve 2
Toroidal cavity 7 is formed between inner sleeve 2, is connected with the water inlet pipe 8 being connected to toroidal cavity 7 on ring flange 4, on water inlet pipe 8
It is provided with valve 9.
The inner end of 2 inner wall of inner sleeve is provided with wear-resistant sleeve 10.
The medial surface of annular closure plate 5 is coaxial to be fixedly connected with conical guide sleeve 11, and conical guide sleeve 11 is in interior thick outer thin
Conical structure, the inner end diameter of conical guide sleeve 11 is equal with the diameter of outer tube 1, the outer end inner hole of conical guide sleeve 11
Diameter is equal with the diameter of wear-resistant sleeve 10.
Fixed device is anchor pole 13 and fastening nut 14, along the circumferential direction offers several mounting holes, anchor pole on ring flange
13, which pass through mounting hole, extend into coal petrography wall, and fastening nut 14 is threaded in 13 outer end of anchor pole and crimps with ring flange.
The dust removal method of 3 drilling hole dust collector device of underground coal mine dry drilling, comprising the following steps:
(1) after determining bore position, bore diameter, inclination angle, length, azimuth on coal body 12, starting drilling machine carries out drilling 3,
Stop after drilling 2m, the progress reaming of drilling 3 to 2m depth, the overall length of outer tube 1 and conical sleeve is 2m, the diameter of first reaming
Slightly smaller than the outer diameter of outer tube 1 stops reaming；
(2) 3 drilling hole dust collector device of underground coal mine dry drilling is tucked into the aperture reaming section of drilling 3, until ring flange 4 and hole
Mouth coal petrography wall is in close contact and passes through fixed device and is fixed on coal petrography wall；
(3) by the high-pressure water of the input end connection underground coal mine of water inlet pipe 8；
(4) diameter of drilling rod and drill bit is less than the internal diameter of inner sleeve 2, drilling rod and drill bit and is penetrated by 2 inside of inner sleeve is coaxial, opens
The carry out non-circulating drilling operation of dynamic drilling machine driving drilling rod and drilling bit high-speed rotary to the coal seam of conical 11 inside of guide sleeve, is opened simultaneously
The valve 9 on water inlet pipe 8 is opened, pressure-air is sprayed, dust is by 3 inner walls that drill by entering inside drilling rod by the drill bit of inner end
Gap between drilling-rod external wall is discharged from inside to outside, after dust enters 2 inside of inner sleeve by conical sleeve, high pressure water into
Enter and sprayed into toroidal cavity 7 by spray holes 6, in time, effectively capture the dust overflowed outward, dust get wet after as coal slime by
The external port of inner sleeve 2 is discharged.
Step (2) is first parallel in drilling circumferencial direction construction before installing underground coal mine dry drilling drilling hole dust collector device
In several 13 holes of anchor pole of drilling, the quantity in 13 hole of anchor pole is equal with the installation hole number on ring flange 4, in 13 hole of anchor pole
It puts anchor pole 13 into be anchored, there is screw thread in the outer end of anchor pole 13, fills in the drilling after reaming in outer tube 1 and inner sleeve 2
Meanwhile the mounting hole hole on ring flange 4 is passed through into 13 outer end of anchor pole, and be fixed with fastening nut 14, complete fixed device
Installation fix.
The present embodiment not makes any form of restriction shape of the invention, material, structure etc., all according to this hair
Bright technical spirit any simple modification, equivalent change and modification to the above embodiments, belong to the technology of the present invention side
The protection scope of case.
Claims (6)
1. underground coal mine dry drilling drilling hole dust collector device, it is characterised in that: including outer tube and inner sleeve, inner sleeve is coaxial
It is arranged in outer tube, using the drilling direction of drilling as the direction of ecto-entad, the coaxial aperture for being installed to drilling of outer tube
Interior, outer tube outer end and inner sleeve outer end are provided with ring flange, and the outer diameter of ring flange is greater than the outer diameter of outer tube, ring flange inside
Face contacts with coal petrography wall and passes through fixed device and is fixed on coal petrography wall, and outer tube inner end and inner sleeve inner end are provided with annular and block up
Plate is uniformly provided with several spray holes on inner sleeve, forms toroidal cavity between outer tube and inner sleeve, connect on ring flange
There is the water inlet pipe being connected to toroidal cavity, is provided with valve on water inlet pipe.
2. underground coal mine dry drilling drilling hole dust collector device according to claim 1, it is characterised in that: inner sleeve inside pipe wall
Inner end is provided with wear-resistant sleeve.
3. underground coal mine dry drilling drilling hole dust collector device according to claim 2, it is characterised in that: annular closure plate it is interior
Side is coaxial to be fixedly connected with conical guide sleeve, and conical guide sleeve is in interior thick outer thin conical structure, conical guide sleeve
Inner end diameter is equal with the diameter of outer tube, and the outer end diameter of bore of conical guide sleeve is equal with the diameter of wear-resistant sleeve.
4. underground coal mine dry drilling drilling hole dust collector device according to claim 3, it is characterised in that: fixed device is anchor
Bar and fastening nut along the circumferential direction offer several mounting holes on ring flange, and anchor pole passes through mounting hole and extend into coal petrography wall,
Fastening nut is threaded in anchor pole outer end and crimps with ring flange.
5. the dust removal method of underground coal mine dry drilling drilling hole dust collector device as claimed in claim 4, it is characterised in that: including
Following steps,
(1) after determining bore position, bore diameter, inclination angle, length, azimuth, starting drilling machine drills, and stops after creeping into 2m
Only, reaming carried out to the drilling of 2m depth, the overall length of outer tube and conical sleeve is 2m, and the diameter of first reaming is slightly smaller than outer tube
Outer diameter stop reaming；
(2) underground coal mine dry drilling drilling hole dust collector device is tucked into the aperture reaming section of drilling, until ring flange and coal petrography
Wall is in close contact and passes through fixed device and is fixed on coal petrography wall；
(3) by the high-pressure water of the input end connection underground coal mine of water inlet pipe；
(4) diameter of drilling rod and drill bit is less than the internal diameter of inner sleeve, drilling rod and drill bit and is penetrated by coaxial inside inner sleeve, starts
Drilling machine drives the carry out non-circulating drilling operation to the coal seam on the inside of conical guide sleeve of drilling rod and drilling bit high-speed rotary, at the same open into
Valve on water pipe, pressure-air are sprayed by entering inside drilling rod by the drill bit of inner end, dust by drill hole inner wall and drilling rod outside
Gap between wall is discharged from inside to outside, and after dust enters inner sleeve inside by conical sleeve, high pressure water enters annular
It is sprayed in cavity by spray holes, in time, effectively captures the dust overflowed outward, dust becomes coal slime by the outer of inner sleeve after getting wet
Port discharge.
6. the dust removal method of underground coal mine dry drilling drilling hole dust collector device as claimed in claim 5, it is characterised in that: step
(2) before underground coal mine dry drilling drilling hole dust collector device is installed, the several of drilling first are parallel in drilling circumferencial direction construction
A bolthole, the quantity of bolthole is equal with the installation hole number on ring flange, puts anchor pole into bolthole and is anchored, anchor
There is screw thread in the outer end of bar, while outer tube and inner sleeve are filled in the drilling after reaming, by the mounting hole hole on ring flange
It is fixed across anchor pole outer end, and with fastening nut, the installation for completing fixed device is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910231472.0A CN109915050B (en) | 2019-03-26 | 2019-03-26 | Coal mine underground dry drilling orifice dust removing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910231472.0A CN109915050B (en) | 2019-03-26 | 2019-03-26 | Coal mine underground dry drilling orifice dust removing device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109915050A true CN109915050A (en) | 2019-06-21 |
| CN109915050B CN109915050B (en) | 2023-11-17 |
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ID=66966732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910231472.0A Active CN109915050B (en) | 2019-03-26 | 2019-03-26 | Coal mine underground dry drilling orifice dust removing device and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109915050B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282677A (en) * | 2020-11-18 | 2021-01-29 | 刘庆 | Outburst-prevention drilling ring type orifice spray dust removal device |
| CN114178263A (en) * | 2021-12-14 | 2022-03-15 | 中国核工业二四建设有限公司 | Cleaning device and method for high-precision penetration assembly |
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| CN101387203A (en) * | 2008-10-08 | 2009-03-18 | 淮南矿业(集团)有限责任公司 | Rapid dust removal method and device in tunnel |
| CN102269009A (en) * | 2011-07-25 | 2011-12-07 | 中国矿业大学 | Ultra-micro magnetized foam drilling dust remover |
| CN202176355U (en) * | 2011-08-17 | 2012-03-28 | 安徽恒源煤电股份有限公司祁东煤矿 | Coal mine downhole drilling hole dust-reducing device |
| CN206917626U (en) * | 2017-06-14 | 2018-01-23 | 河北百方通用机械有限公司 | Take out type gas prevention and gush out drilling hole dust collector device |
| CN209855729U (en) * | 2019-03-26 | 2019-12-27 | 河南理工大学 | Dry type drilling orifice dust removing device for underground coal mine |
-
2019
- 2019-03-26 CN CN201910231472.0A patent/CN109915050B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387203A (en) * | 2008-10-08 | 2009-03-18 | 淮南矿业(集团)有限责任公司 | Rapid dust removal method and device in tunnel |
| CN102269009A (en) * | 2011-07-25 | 2011-12-07 | 中国矿业大学 | Ultra-micro magnetized foam drilling dust remover |
| CN202176355U (en) * | 2011-08-17 | 2012-03-28 | 安徽恒源煤电股份有限公司祁东煤矿 | Coal mine downhole drilling hole dust-reducing device |
| CN206917626U (en) * | 2017-06-14 | 2018-01-23 | 河北百方通用机械有限公司 | Take out type gas prevention and gush out drilling hole dust collector device |
| CN209855729U (en) * | 2019-03-26 | 2019-12-27 | 河南理工大学 | Dry type drilling orifice dust removing device for underground coal mine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282677A (en) * | 2020-11-18 | 2021-01-29 | 刘庆 | Outburst-prevention drilling ring type orifice spray dust removal device |
| CN112282677B (en) * | 2020-11-18 | 2023-02-17 | 刘庆 | Outburst-prevention drilling ring type orifice spray dust removal device |
| CN114178263A (en) * | 2021-12-14 | 2022-03-15 | 中国核工业二四建设有限公司 | Cleaning device and method for high-precision penetration assembly |
| CN114178263B (en) * | 2021-12-14 | 2023-03-07 | 中国核工业二四建设有限公司 | Cleaning device and method for high-precision penetration assembly |
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| Publication number | Publication date |
|---|---|
| CN109915050B (en) | 2023-11-17 |
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