CN110566142B - Orifice dust collecting device - Google Patents
Orifice dust collecting device Download PDFInfo
- Publication number
- CN110566142B CN110566142B CN201910857308.0A CN201910857308A CN110566142B CN 110566142 B CN110566142 B CN 110566142B CN 201910857308 A CN201910857308 A CN 201910857308A CN 110566142 B CN110566142 B CN 110566142B
- Authority
- CN
- China
- Prior art keywords
- pipe
- orifice
- drainage
- flange
- slag discharging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000428 dust Substances 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 239000002893 slag Substances 0.000 claims abstract description 28
- 238000007599 discharging Methods 0.000 claims abstract description 25
- 210000001503 joint Anatomy 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 23
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 13
- 238000005553 drilling Methods 0.000 description 18
- 238000005520 cutting process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
- E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an orifice dust collecting device, which comprises an intermediate joint, a drill rod sealing mechanism, a drainage slag discharging mechanism and an orifice connecting pipe, wherein the drill rod sealing mechanism is arranged on the intermediate joint; the middle joint (12) is a three-way pipe and is provided with a straight pipe and a side wall opening, the inner wall of the left pipe orifice of the straight pipe is provided with a sealing section flange (6), the inner wall of the right pipe orifice is provided with an orifice flange (11), and the side wall opening is connected with a drainage slag discharging mechanism; the sealing section flange (6) is provided with a drill rod sealing mechanism, and the orifice flange (11) is provided with an orifice connecting pipe (10). The invention has the advantages that: the dust collector has the capabilities of sealing the hole and collecting dust, prevents dust leakage of the hole of the drill hole, and reduces dust pollution of a construction site.
Description
Technical Field
The invention belongs to the technical field of drilling, and particularly relates to an orifice dust collecting device which is suitable for various drilling constructions with compressed air as a flushing medium, and is used for collecting drilling cuttings carried by the compressed air from holes and improving the drilling operation environment.
Background
In the drilling construction with compressed air as flushing medium, because compressed air carries a large amount of drill cuttings to be sprayed out from the hole, the solid phase particle content in the drilling construction environment exceeds the standard, the physical health of constructors is seriously threatened, and the surrounding environment is polluted. At present, besides the fact that part of construction sites adopt a reverse circulation drilling process to ensure dust control, most of construction sites adopting a forward circulation drilling process have dust pollution, and no effective dust removing method exists, and particularly the problem that dust generated by the construction sites is difficult to inhibit because the construction sites are not allowed to be directly used for drilling holes is solved.
Disclosure of Invention
Aiming at the problem of serious dust pollution in the prior drilling construction by taking compressed air as a flushing medium, the invention aims to provide the orifice dust collecting device which has the capabilities of sealing orifices and absorbing dust, prevents the dust of the orifices of the drilling from escaping, and reduces the dust pollution of a construction site.
The technical problem to be solved by the invention is realized by the technical scheme that the device comprises an intermediate joint, a drill rod sealing mechanism, a drainage slag discharging mechanism and an orifice connecting pipe; the middle joint is a three-way pipe and is provided with a straight pipe and a side wall opening, the inner wall of the left pipe orifice of the straight pipe is provided with a sealing section flange, the inner wall of the right pipe orifice is provided with an orifice flange, and the side wall opening is connected with a drainage slag discharging mechanism; the sealing section flange is provided with a drill rod sealing mechanism, and the orifice flange is provided with an orifice connecting pipe.
The application mode of the invention is as follows: the drill rod passes through the drill rod sealing mechanism, the middle joint straight pipe and the orifice connecting pipe to extend into the drill hole, the orifice connecting pipe is attached to the hole wall, and the orifice of the drill hole is closed; in the drilling process, drill cuttings generated by drilling enter the middle joint from a gap between the orifice connecting pipe and the drill rod, and the drill rod sealing mechanism seals gaps at the periphery of the drill rod to prevent dust leakage; the drainage slag discharging mechanism arranged on the side wall of the middle joint has a suction function and sucks dust.
The invention has the advantages that: the dust collector has the capabilities of sealing the hole and collecting dust, prevents dust leakage of the hole of the drill hole, and reduces dust pollution of a construction site.
Drawings
The drawings of the present invention are described as follows:
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a mounting and use diagram of the present invention.
In the figure, 1, a slag discharging pipe, 2, an end flange, 3, an air pipe joint, 4, a drainage pipe, 5, an air guide pipe, 6, a sealing section flange, 7, an inner sealing ring, 8, an outer pipe, 9, an outer sealing ring, 10, an orifice connecting pipe, 11, an orifice flange, 12 and an intermediate joint; 13. a drill rod;
I. First, II, second, HI, third, IV, fourth, V, fifth, VI, sixth fluid channels.
Detailed Description
The invention is further described below with reference to the drawings and examples.
In this patent application, for the sake of clarity of describing the positional relationship of each component, terms such as "up", "down", "left" and "right" are used, these terms are referred to with respect to the layout positions of the above drawings, and the actual mounting positions of the present invention are changed, so that the references to the orientations are changed, and the scope of patent protection cannot be considered as being limited.
As shown in fig. 1, the invention comprises an intermediate joint, a drill rod sealing mechanism, a drainage slag discharging mechanism and an orifice connecting pipe; the middle joint 12 is a three-way pipe and is provided with a straight pipe and a side wall opening, the inner wall of the left pipe orifice of the straight pipe is provided with a sealing section flange 6, the inner wall of the right pipe orifice is provided with an orifice flange 11, and the side wall opening is connected with a drainage slag discharging mechanism; the sealing section flange 6 is provided with a drill rod sealing mechanism, and the orifice flange 11 is provided with an orifice connecting pipe 10.
As shown in fig. 2, the use mode of the present invention is: the drill rod 13 passes through the drill rod sealing mechanism, the middle joint straight pipe and the orifice connecting pipe to extend into the drill hole, the orifice connecting pipe 10 is attached to the hole wall, and the orifice of the drill hole is closed; during the drilling process, drill cuttings generated by drilling enter the middle joint 12 from a gap between the orifice connecting pipe 10 and the drill rod, and the drill rod sealing mechanism seals gaps at the periphery of the drill rod to prevent dust leakage; the drainage slag discharging mechanism arranged on the side wall of the middle joint 12 has a suction function and sucks dust.
As shown in fig. 1 and 2, the drill rod sealing mechanism comprises an outer pipe 8, an outer sealing ring 9 and an inner sealing ring 7, wherein the outer pipe 8 is fixedly connected with the sealing section flange 6, and the outer sealing ring 9 and the inner sealing ring 7 are arranged on the inner pipe wall of the outer pipe 8 and are used for sealing a second fluid channel II between the outer pipe 8 and a drill rod 13. The outer seal ring 9 and the inner seal ring 7 use a glean ring.
As shown in fig. 1, the drainage slag discharging mechanism comprises a slag discharging pipe 1, an end flange 2, an air pipe joint 3, a drainage pipe 4 and an air guide pipe 5; the upper top surface welded fastening on scum pipe 1 outer wall and the end flange 2, the drainage tube 4 suit is at scum pipe 1 periphery, bottom surface welded fastening under drainage tube and the end flange 2, air pipe joint 3 welding is on drainage tube 4, the lower part of guide duct 5 outer wall threaded connection drainage tube 4, guide duct 5 lower extreme is on the lateral wall opening of intermediate head 12: the central pipeline of the slag discharging pipe 1 forms a first fluid channel I, the central pipeline of the air guide pipe 5 forms a third fluid channel III, an upward tapered joint is reserved between the top of the air guide pipe 5 and the bottom of the slag discharging pipe 1 to form a fourth fluid channel IV, a gap between the drainage pipe 4 and the outer wall of the slag discharging pipe 1 forms a fifth fluid channel V, and the central pipeline of the air pipe joint 3 forms a sixth fluid channel VI.
The orifice connecting pipe 10 is connected with the orifice flange 11 by welding.
Dust collection principle of drainage slag discharge mechanism: when drilling, the on-site air compressor air pipe is connected with the air pipe joint 3, compressed air enters the sixth fluid channel VI from the air compressor, enters the fifth fluid channel V through the sixth fluid channel VI, and then enters the first fluid channel I in the center of the slag discharging pipe 1 through the fourth fluid channel IV of the conical joint of the slag discharging pipe 1 and the air guide pipe 5 to form high-speed drainage, so that a strong suction effect is formed on fluid in the third fluid channel III in the center of the air guide pipe 5.
During the drilling process, drill cuttings generated by drilling enter the middle joint 12 from a gap between the orifice connecting pipe 10 and the drill rod, enter the slag discharging pipe 1 under the suction effect of the third fluid channel III in the center of the air guide pipe 5, and realize dust removal with an external system through an external pipeline.
The sealing function of the drill rod sealing mechanism is as follows: the drill rod passes through the second fluid channel II in the outer tube 8 and forms sealing fit with the outer sealing ring 9 and the inner sealing ring 7, so that drill cuttings are prevented from escaping and diffusing through the tail outlet of the second fluid channel II. The orifice connecting tube 10 is partially inserted into the borehole to effect sealing of the borehole orifice.
According to the invention, the drill rod sealing mechanism and the orifice connecting pipe are used for blocking dust, and then the drainage slag discharging mechanism is used for sucking dust, so that the escape of the dust is controlled, the dust pollution of a construction site is reduced, and the construction environment is improved.
Claims (1)
1. Orifice dust collection device, characterized by: comprises an intermediate joint, a drill rod sealing mechanism, a drainage slag discharging mechanism and an orifice connecting pipe; the middle joint (12) is a three-way pipe and is provided with a straight pipe and a side wall opening, the inner wall of the left pipe orifice of the straight pipe is provided with a sealing section flange (6), the inner wall of the right pipe orifice of the straight pipe is provided with an orifice flange (11), and the side wall opening is connected with a drainage slag discharging mechanism; the sealing section flange (6) is provided with a drill rod sealing mechanism, and the orifice flange (11) is provided with an orifice connecting pipe (10);
The drill rod sealing mechanism comprises an outer pipe (8), an outer sealing ring (9) and an inner sealing ring (7), wherein the outer pipe (8) is fixedly connected with a sealing section flange (6), and the outer sealing ring (9) and the inner sealing ring (7) are arranged on the inner pipe wall of the outer pipe (8) and are used for blocking a second fluid channel (II) between the outer pipe (8) and a drill rod (13);
The drainage slag discharging mechanism comprises a slag discharging pipe (1), an end flange (2), an air pipe joint (3), a drainage pipe (4) and an air guide pipe (5); the outer wall of the slag discharge pipe (1) is welded and fixed with the upper top surface of the end flange (2), the drainage pipe (4) is sleeved on the periphery of the slag discharge pipe (1), the drainage pipe is welded and fixed with the lower bottom surface of the end flange (2), the air pipe joint (3) is connected to the drainage pipe (4), the outer wall of the air guide pipe (5) is connected with the lower part of the drainage pipe (4) through threads, and the lower end of the air guide pipe (5) is connected with the side wall opening of the middle joint (12); the central pipeline of the slag discharging pipe (1) forms a first fluid channel (I), the central pipeline of the air guide pipe (5) forms a third fluid channel (III), an upwards-opened conical joint is reserved between the top of the air guide pipe (5) and the bottom of the slag discharging pipe (1) to form a fourth fluid channel (IV), a gap between the drainage pipe (4) and the outer wall of the slag discharging pipe (1) forms a fifth fluid channel (V), and the central pipeline of the air pipe joint (3) forms a sixth fluid channel (VI).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910857308.0A CN110566142B (en) | 2019-09-03 | 2019-09-03 | Orifice dust collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910857308.0A CN110566142B (en) | 2019-09-03 | 2019-09-03 | Orifice dust collecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110566142A CN110566142A (en) | 2019-12-13 |
| CN110566142B true CN110566142B (en) | 2024-05-03 |
Family
ID=68779069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910857308.0A Active CN110566142B (en) | 2019-09-03 | 2019-09-03 | Orifice dust collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110566142B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU44524A1 (en) * | 1934-06-21 | 1935-10-31 | А.В. Яценко | Device for entering into boreholes and inert dust |
| US4223748A (en) * | 1977-12-08 | 1980-09-23 | Atlas Copco Aktiebolag | Method of collecting dust during rock drilling and a dust collecting suction system for a rock drilling apparatus |
| CN201460955U (en) * | 2009-08-27 | 2010-05-12 | 中国矿业大学 | Dust removing device of bore for deslagging by wind force |
| CN102359352A (en) * | 2011-07-31 | 2012-02-22 | 郑州光力科技股份有限公司 | Porthole dust catcher |
| CN102400703A (en) * | 2011-11-30 | 2012-04-04 | 郑州光力科技股份有限公司 | Negative-pressure type orifice dust catcher |
| CN202882810U (en) * | 2012-10-09 | 2013-04-17 | 永城煤电控股集团有限公司 | Novel multifunctional dust falling device |
| CN105003216A (en) * | 2015-08-11 | 2015-10-28 | 煤炭科学技术研究院有限公司 | Orifice dust remover |
| CN105064918A (en) * | 2015-07-17 | 2015-11-18 | 中国电力科学研究院 | Vertical guide and dust collection device for drilling transmission and transformation line foundations |
| CN106869834A (en) * | 2015-12-11 | 2017-06-20 | 姚秋丽 | A kind of coal bed drilling drilling hole dust collector device |
| CN206608126U (en) * | 2017-04-07 | 2017-11-03 | 吴雨谦 | Pneumatic type down-hole hammer drilling dust-removing apparatus |
| CN108301799A (en) * | 2018-04-03 | 2018-07-20 | 淮北矿业股份有限公司 | A kind of hole pumping and mining dust-extraction unit and its application method |
| CN210858621U (en) * | 2019-09-03 | 2020-06-26 | 辽宁省有色地质一〇一队有限责任公司 | Orifice dust collecting device |
-
2019
- 2019-09-03 CN CN201910857308.0A patent/CN110566142B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU44524A1 (en) * | 1934-06-21 | 1935-10-31 | А.В. Яценко | Device for entering into boreholes and inert dust |
| US4223748A (en) * | 1977-12-08 | 1980-09-23 | Atlas Copco Aktiebolag | Method of collecting dust during rock drilling and a dust collecting suction system for a rock drilling apparatus |
| CN201460955U (en) * | 2009-08-27 | 2010-05-12 | 中国矿业大学 | Dust removing device of bore for deslagging by wind force |
| CN102359352A (en) * | 2011-07-31 | 2012-02-22 | 郑州光力科技股份有限公司 | Porthole dust catcher |
| CN102400703A (en) * | 2011-11-30 | 2012-04-04 | 郑州光力科技股份有限公司 | Negative-pressure type orifice dust catcher |
| CN202882810U (en) * | 2012-10-09 | 2013-04-17 | 永城煤电控股集团有限公司 | Novel multifunctional dust falling device |
| CN105064918A (en) * | 2015-07-17 | 2015-11-18 | 中国电力科学研究院 | Vertical guide and dust collection device for drilling transmission and transformation line foundations |
| CN105003216A (en) * | 2015-08-11 | 2015-10-28 | 煤炭科学技术研究院有限公司 | Orifice dust remover |
| CN106869834A (en) * | 2015-12-11 | 2017-06-20 | 姚秋丽 | A kind of coal bed drilling drilling hole dust collector device |
| CN206608126U (en) * | 2017-04-07 | 2017-11-03 | 吴雨谦 | Pneumatic type down-hole hammer drilling dust-removing apparatus |
| CN108301799A (en) * | 2018-04-03 | 2018-07-20 | 淮北矿业股份有限公司 | A kind of hole pumping and mining dust-extraction unit and its application method |
| CN210858621U (en) * | 2019-09-03 | 2020-06-26 | 辽宁省有色地质一〇一队有限责任公司 | Orifice dust collecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110566142A (en) | 2019-12-13 |
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