CN201265430Y - Blowout prevention hole apparatus for hole drilling construction - Google Patents
Blowout prevention hole apparatus for hole drilling construction Download PDFInfo
- Publication number
- CN201265430Y CN201265430Y CNU2008201601975U CN200820160197U CN201265430Y CN 201265430 Y CN201265430 Y CN 201265430Y CN U2008201601975 U CNU2008201601975 U CN U2008201601975U CN 200820160197 U CN200820160197 U CN 200820160197U CN 201265430 Y CN201265430 Y CN 201265430Y
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- drainage
- boring
- negative pressure
- tube
- sidepiece
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Abstract
The utility model relates to a jet orifice preventing device for boring construction, which is characterized in that a draught tube which is freely sleeved outside a drill pipe in a close way is arranged, and a draught cavity is left between the draught tube and the drill pipe; a draught separating box with a negative-pressure separating cavity is arranged; an airflow channel and a deslagging channel are respectively arranged between the draught tube and the draught separating cavity; and the draught separating box is communicated with a negative-pressure pumping pipeline to form negative pressure inside the box. The utility model can avoid the accidents caused by jet orifices, ensure the safety of the boring constructing personnel and put an end to gas ultralimit. During the process of boring construction, the utility model pumps while boring without influencing the normal construction of boring, and can facilitate the boring deslagging and ensure the continuous construction of jet orifice boring.
Description
Technical field
The utility model relates to the blowout prevention aperture apparatus of coal mine down-hole drilling construction.
Background technology
The construction gas exhaust is put in the process of boring and other boring under coal mine, the spray orifice phenomenon of holing may appear, coal, rock particle and gas spray at a high speed in holing, injury drilling construction personnel, a large amount of gushing out of gas are caused gas exceeding limit, directly harm mine safety production is also to making boring can't continue construction.Up to now, how to guarantee that boring puts in place by designing requirement construction, and safety control boring spray orifice remaining highly gassy mine problem to be solved is arranged aspect gas control, also is a difficult problem in the construction.
The utility model content
The utility model is for avoiding above-mentioned existing in prior technology weak point, a kind of drilling construction blowout prevention aperture apparatus being provided, so that can effectively prevent and treat the boring spray orifice, guarantees that boring puts in place according to the designing requirement construction, guarantees safe construction.
The utility model technical solution problem adopts following technical scheme:
The design feature of the utility model drilling construction blowout prevention aperture apparatus be provided with can be the empty outside that is enclosed within drilling rod, sealing ground, and and drilling rod between leave the drainage tube of drainage cavity, the drainage separator box with negative pressure disengagement chamber is set; Between described drainage tube and drainage disengagement chamber, gas channel and slagging channel are set respectively; Described drainage separator box and negative pressure extraction pipeline connection form negative pressure in the case.
The design feature of the utility model drilling construction blowout prevention aperture apparatus also is:
On described drainage separator box, have top extraction mouth, sidepiece air inlet port, sidepiece slag inlet and sidepiece slag-drip opening respectively around its negative pressure disengagement chamber.
On the tube wall of described drainage tube, the top that the bottom that is positioned at the tube wall periphery has slag notch, be positioned at the tube wall periphery has the gas outlet, and the pipe end of drainage tube is provided with afterbody end cap and drive end bearing bracket respectively;
, be communicated with gas outlet and slag notch on the stream skirt by described flow channel and slagging channel respectively by exhaust tube and negative pressure gas pumping pipeline connection with described top extraction mouth with described sidepiece air inlet port and sidepiece slag inlet.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, the utility model utilizes negative pressure extraction system, can thoroughly solve the accident that causes because of spray orifice, guarantees the drilling construction personal security, stops the gas exceeding limit accident.
2, the utility model is simple in structure, cost is low, easy installation, and concrete specification can be set according to on-the-spot mode of occupation;
3, the utility model specifically uses in construction drill, realizes the extraction while creeping into, and does not influence the boring normal construction, more helps the deslagging of holing, and guarantees that spray orifice boring continues construction, and through boring puts in place.
4, the utility model does not influence the normal extraction of extraction system, by the adjusting of gas-distribution pipe control gate valve, can accomplish to be independent of each other.
Description of drawings
Fig. 1 is the utility model drainage separator box structural representation.
Fig. 2 is the utility model drainage tube structural representation.
Fig. 3 installs and uses the situation schematic diagram for the utility model.
Number in the figure: 1 top extraction mouth, 2 negative pressure are surveyed mouth, 3 sidepiece air inlet ports, 4 sidepiece slag inlets, 5 drainage separator boxs, 6 slag-drip openings, 7 legs, 8 retainer rings, 9 drainage tubes, 10 slag notches, 11 gas outlets, 12 afterbody end caps, 13 exhaust tubes, 14 negative pressure extraction pipelines, 15 gas-distribution pipes, 16 vacuum tables, 17 drive end bearing brackets, 18 drilling rods, 19 slagging channels, 20 gas channels.
Below pass through the specific embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.
The specific embodiment
Referring to Fig. 1, drainage separator box 5 is set, has the negative pressure disengagement chamber, have top extraction mouth 1, sidepiece air inlet port 3, sidepiece slag inlet 4 and sidepiece slag-drip opening 6 respectively around the negative pressure disengagement chamber, the top negative pressure in addition of relative set is surveyed mouth 2, is positioned at the retainer ring 8 and the bottom supports 7 of its outside portion, the separator box base plate is towards the lopsidedness at sidepiece slag-drip opening 6 places, in order to smooth deslagging.
Referring to Fig. 2, setting can be the empty outside that is enclosed within drilling rod, sealing ground, and and drilling rod between leave the drainage tube 9 of drainage cavity, on the tube wall of drainage tube 9, the top that the bottom that is positioned at the tube wall periphery has slag notch 10, be positioned at the tube wall periphery has gas outlet 11, and the pipe end of drainage tube 9 is provided with end cap 12;
Referring to Fig. 3, be communicated with negative pressure extraction pipeline 14 by exhaust tube 13 with top extraction mouth 1, gas outlet 11 and slag notch 10 on passing through the steel wire sebific duct respectively and flow skirt with sidepiece air inlet port 3 and sidepiece slag inlet 4 are communicated with.
Work progress:
The boring perforate does not have core and creeps into 1.3 meters, opening diameter is greater than the external diameter of trepanation and drainage pipe 9 more than 10 millimeters, then with trepanation and drainage pipe 9 at the bottom of the boring hole, adopting polyamino resin to carry out sealing of hole fixes, trepanation and drainage pipe 9 utilizes two steel wire sebific ducts to constitute gas channel 20 respectively to be connected with drainage separator box 5 with slagging channel 19, drainage separator box 5 utilizes the steel wire sebific duct to be connected with extraction pipeline 6 as exhaust tube 13 equally, survey installation vacuum table 16 on the mouth 2 in negative pressure, gas-distribution pipe 15 is installed on the negative pressure extraction pipeline 14, is utilized the distribution of control gate valve to adjust the extraction negative pressure;
Take the drive end bearing bracket 17 of trepanation and drainage pipe 9 apart, capping 17 before drilling rod 18 is passed is installed drill bit at the bottom of the hole on the drilling rod 18, and the protecgulum end 17 with drainage tube 9 closes stubble again, can begin to creep into after screw is fastening.
When the spray orifice phenomenon appears in construction drill, gas, water and coal, the rock slag of ejection caused drainage separator box 5 in boring will be holed by drainage tube 9, water and coal, rock slag are discharged from the slag-drip opening 6 of drainage separator box 5, and drainage separator box 5 utilizes gas pumping system negative pressure with gas safety extraction in the casing.The extraction while creeping into realizes the anti-spray orifice of drilling construction.
Claims (2)
1, drilling construction blowout prevention aperture apparatus, it is characterized in that being provided with can be sealing ground sky be enclosed within drilling rod (18) the outside and and drilling rod (18) between leave the drainage tube (9) of drainage cavity, the drainage separator box (5) with negative pressure disengagement chamber is set; Gas channel (20) and slagging channel (19) are set respectively between described drainage tube (9) and drainage disengagement chamber (5); Described drainage separator box (5) is communicated with negative pressure in the formation case with negative pressure extraction pipeline (14).
2, drilling construction blowout prevention aperture apparatus according to claim 1 is characterized in that:
Upward have top extraction mouth (1), sidepiece air inlet port (3), sidepiece slag inlet (4) and sidepiece slag-drip opening (6) respectively at described drainage separator box (5) around its negative pressure disengagement chamber.
On the tube wall of described drainage tube (9), the top that the bottom that is positioned at the tube wall periphery has slag notch (10), be positioned at the tube wall periphery has gas outlet (11), and the pipe end of drainage tube (9) is provided with afterbody end cap (12) and drive end bearing bracket (17) respectively;
Be communicated with negative pressure gas pumping pipeline (14) by exhaust tube (13) with described top extraction mouth (1), gas outlet (11) and slag notch (10) on passing through described flow channel (20) and slagging channel (19) respectively and flow skirt with described sidepiece air inlet port (3) and sidepiece slag inlet (4) are communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201601975U CN201265430Y (en) | 2008-09-28 | 2008-09-28 | Blowout prevention hole apparatus for hole drilling construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201601975U CN201265430Y (en) | 2008-09-28 | 2008-09-28 | Blowout prevention hole apparatus for hole drilling construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201265430Y true CN201265430Y (en) | 2009-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201601975U Expired - Fee Related CN201265430Y (en) | 2008-09-28 | 2008-09-28 | Blowout prevention hole apparatus for hole drilling construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201265430Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102327722A (en) * | 2011-06-21 | 2012-01-25 | 上海隧道工程股份有限公司 | Water sand separator for drilling formation containing marsh gas |
| CN102606191A (en) * | 2012-04-11 | 2012-07-25 | 徐州博安科技发展有限责任公司 | Drilling, flow guiding, dust falling and gas blowout control device |
| CN102606190A (en) * | 2011-01-20 | 2012-07-25 | 淮南矿业(集团)有限责任公司 | Method and device for using downward crossing hole to eliminate outburst in mining of coal mine |
| CN105370236A (en) * | 2015-12-11 | 2016-03-02 | 王士勇 | Hole ejection preventing device and drilling device |
| CN111364946A (en) * | 2020-03-18 | 2020-07-03 | 河南理工大学 | Airfoil type gas-water-slag separation device with drill rod sealing function and using method thereof |
| CN111456656A (en) * | 2020-03-18 | 2020-07-28 | 河南理工大学 | Coal mine underground bottom suction roadway cross-layer drilling blowout prevention hole construction method |
-
2008
- 2008-09-28 CN CNU2008201601975U patent/CN201265430Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606190A (en) * | 2011-01-20 | 2012-07-25 | 淮南矿业(集团)有限责任公司 | Method and device for using downward crossing hole to eliminate outburst in mining of coal mine |
| CN102327722A (en) * | 2011-06-21 | 2012-01-25 | 上海隧道工程股份有限公司 | Water sand separator for drilling formation containing marsh gas |
| CN102606191A (en) * | 2012-04-11 | 2012-07-25 | 徐州博安科技发展有限责任公司 | Drilling, flow guiding, dust falling and gas blowout control device |
| CN102606191B (en) * | 2012-04-11 | 2014-10-01 | 徐州博安科技发展有限责任公司 | Drilling, flow guiding, dust falling and gas blowout control device |
| CN105370236A (en) * | 2015-12-11 | 2016-03-02 | 王士勇 | Hole ejection preventing device and drilling device |
| CN105370236B (en) * | 2015-12-11 | 2018-02-23 | 王士勇 | Blowout prevention aperture apparatus and drilling rig |
| CN111364946A (en) * | 2020-03-18 | 2020-07-03 | 河南理工大学 | Airfoil type gas-water-slag separation device with drill rod sealing function and using method thereof |
| CN111456656A (en) * | 2020-03-18 | 2020-07-28 | 河南理工大学 | Coal mine underground bottom suction roadway cross-layer drilling blowout prevention hole construction method |
| CN111456656B (en) * | 2020-03-18 | 2022-04-05 | 河南理工大学 | Coal mine underground bottom suction roadway cross-layer drilling blowout prevention hole construction method |
| CN111364946B (en) * | 2020-03-18 | 2024-01-19 | 河南理工大学 | Wing type air-water-slag separation device with drill rod sealing function and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20120928 |