CN103939129A - Drilling and extracting integrated device - Google Patents
Drilling and extracting integrated device Download PDFInfo
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- CN103939129A CN103939129A CN201410142079.1A CN201410142079A CN103939129A CN 103939129 A CN103939129 A CN 103939129A CN 201410142079 A CN201410142079 A CN 201410142079A CN 103939129 A CN103939129 A CN 103939129A
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- pvc
- drill bit
- drilling rod
- taken out
- integrated apparatus
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Abstract
The invention discloses a drilling and extracting integrated device. The drilling and extracting integrated device comprises a dill pipe, a drill bit and a drilling rig and is characterized in that the drill pipe is a hollow PVC drill pipe, the drill bit is a PVC drill bit, segments of the PVC drill pipe are in butt connection in a sealed mode one by one, and the tail end of the PVC drill pipe is connected to an air extractor in a sealed mode. After work of the drill pipe and the drill bit of the device is finished, the drill pipe and the drill bit are directly left in a dilled hole to serve as a gas extraction pipe, and therefore the device not only is favorable for gas blowing or gas extracting in the hole drilling process but also can better serve as a gas inlet for gas extraction. The drilling and extracting integrated device is easy and convenient to operate, high in efficiency, good in effect and very favorable for being popularized and implemented, and exploiting cost can be reduced, and exploiting speed is not affected.
Description
Technical field
The present invention relates to the gas drainage technique in field, colliery, be specifically related to a kind of boring and take out integrated apparatus.
Background technology
Coal seam is long-term buried underground, its internal pressure is larger, and the coal bed gas (gas) constantly producing is compressed in coal seam in stable state, but in working seam process, destroyed the balance in coal seam, the high pressure gas gas being stored in coal seam can out cause outstanding accident by flared.Gas Outburst is a kind of serious disaster under coal mine, the safety in production in restriction colliery.On the other hand, because coal bed gas is by partially sealed, be not easy to be under normal circumstances excluded, according to the stages of mining of specification, need to be before exploitation first to coal bed drilling with draw out methane.All the time, coal bed drilling all adopts the operation of metal drilling tool, and after boring, pull-out drilling tool, inserts releasing pipe sealing of hole, utilizes extractor fan to carry out extraction, thus the coal bed gas (gas) of discharge depths, coal seam.In reality boring and gas pumping process, can run into bit freezing and collapse hole problem.Because drilling tool gos deep in coal seam, more than drilling rod lengthens piecemeal and can go deep into coal seam 60m, so go deep into the work of creeping in coal seam, once generation collapse hole, pipe becoming stuck enters depths, coal seam and cannot take out, metal drill pipe can not be taken out in time can affect the normal work of mining machines, thereby affects carrying out smoothly of exploitation work, processes very trouble.In addition, exiting in drilling rod process, more easily there is collapse hole phenomenon.Even drilling rod is taken out smoothly, only local collapse hole also can affect the installation of gas drainage pipe, and boring is scrapped.In the coal seam of containing coal bed gas, above two kinds of collapse holes are common phenomenons.Not only operating process is slowly complicated, and effect is not good enough, also can affect overall exploitation rate.
Summary of the invention
The object of the invention is the problem and shortage existing in existing gas discharge in mine process, provide a kind of brill that can effectively take into account boring and bleed to take out integrated apparatus.
For achieving the above object, adopt following technical scheme: a kind of boring taken out integrated apparatus, comprise drilling rod and drill bit, and rig, it is characterized in that: described drilling rod is hollow PVC drilling rod, described drill bit is PVC drill bit, and PVC drilling rod is sealed docking piecemeal, and the end seal of PVC drilling rod is connected on air extractor.
On described PVC drill bit, embed metal blade at drill lip position and form composite drill bit.The mode of setting-in can have multiple, for example: the root at metal blade is provided with fin, the groove of coupling is set on drill bit pedestal, and fin forms complex by heat seal process after being flush-mounted in groove.
The interface of adjacent drill pipes is set with sealing ring, the sealing surface of adjacent drill pipes can be arranged to annular groove, and sealing ring coupling is sleeved in the annular groove of both sides.
Can Ka Tai be set at drilling rod end, card platform outside suit circular base slab, is set with circular flexible diaphragm seal in the outside of circular base slab, and the external diameter of circular flexible diaphragm seal is greater than the external diameter of circular base slab, and is greater than the external diameter of boring.Can also aspirating hole be set in described PVC drilling rod one side.
Beneficial effect: the present invention utilizes PVC drilling rod and PVC drill bit as disposable boring bar tool, directly stays after drilling rod and drill bit work in boring, as gas drainage pipe.Because the seam hardness in coal mining field is limited, the working strength that is enough to bear coal bed drilling as PVC drilling rod and the drill bit of disposable drilling tool.
Be positioned at the aspirating hole on PVC drilling rod, while being not only conducive to hole, blow or bleed, be more conducive to the air inlet port as gas drainage under suction.
The present invention, using drilling rod as gas drainage pipe, has simplified gas drainage under suction operation, after directly drilling rod sealing of hole being processed, can draw out methane.Can avoid forming because moving back brill process the collapse hole phenomenon of boring.Even once in a while because of boring procedure collapse hole, the drilling rod of PVC material and drill bit can not form obstacle to exploitation, thereby do not affect mining progress.Visible, the present invention is easy and simple to handle, efficiency is high, effective, can reduce cost of winning, do not affect mining progress, be beneficial to very much promotion and implementation.
Brief description of the drawings
Fig. 1 is surface structure schematic diagram of the present invention;
Fig. 2 is the local structure for amplifying schematic diagram of Fig. 1;
Fig. 3 is another kind of drill bit structure schematic diagram;
Fig. 4 is a kind of hole sealing structure wherein.
In figure, label 1 is PVC drill bit, and 2 is PVC drilling rod, 21 is nut connector, and 22 is screw rod joint, and 23 is aspirating hole, 24 and 25 is annular groove, and 3 is sealing ring, and 4 is coal seam, 5 is Ka Tai, and 6 is circular base slab, and 7 is circular flexible diaphragm seal, 8 is groove, and 9 is metal blade, and 10 is air extractor, 11 is connector, and 12 is rig.
Detailed description of the invention
Embodiment 1: a kind of boring taken out integrated apparatus, referring to Fig. 1 and Fig. 2, hollow PVC drilling rod 2 is carried to PVC drill bit 1 holes to depths, coal seam, for example, in the time that boring reaches target location (60m), again PVC drilling rod 2 is carried out to sealing of hole processing, can adopt traditional sealing of hole means to carry out sealing of hole processing to PVC drilling rod.
Hollow PVC drilling rod 2 is used as gas drainage pipe.The end seal of PVC drilling rod 2 is connected on air extractor 10, utilizes air extractor 10 to carry out gas drainage under suction work to the inside of holing.
The sealed docking piecemeal of described PVC drilling rod 2, makes it constantly to be extended, until pierce correct position.The interface of adjacent PVC drilling rod 2 preferably arranges sealant, for example, be set with sealing ring 3, the sealing surface of adjacent drill pipes can be arranged to annular groove 24 and 25, and sealing ring 3 couplings are sleeved in both sides annular groove 24 and 25.
In the present embodiment, select the hardness requirement of PVC drill bit 1, make its and institute's working seam hardness reach optimum value, the working strength requirement that makes the PVC drilling rod 2 of disposable drilling tool and PVC drill bit 1 be enough to bear coal bed drilling is as the criterion.
In order to reach the effect that draws out methane preferably, can also aspirating hole 4 be set in a side of described PVC drilling rod 2.When this aspirating hole 4 is not only conducive to hole, blows or bleed, be more conducive to the air inlet port as gas drainage under suction.Connector 11 can be fixed connector, and the gas pumping after only shutting down for rig 12 connects.Also can be rotary connecting joint, when rig 12 is worked, boring malleation be inflated, or negative pressure ventilation.
Embodiment 2: on embodiment 1 method basis, described PVC drill bit is improved, referring to Fig. 3, embed metal blade 9 at drill lip position and form composite drill bit.For example can be provided with fin at the root of metal blade, and the groove of coupling is set on drill bit pedestal, fin forms complex by heat seal process after being flush-mounted in groove.
Embodiment 3: referring to Fig. 2, on embodiment 1 basis, a kind of hole sealing structure that can start installation is provided, it is a hole packer of movable installation on least significant end drilling rod, this hole packer is at card platform 5 of drilling rod end movable installation according to actual needs, card platform outside suit circular base slab 6, be set with circular flexible diaphragm seal 7 in the outside of circular base slab, circular base slab and boring are quite or be greater than boring, the external diameter of circular flexible diaphragm seal is greater than the external diameter of circular base slab, and be greater than the external diameter of boring, thereby in the time that PVC drilling rod is bled, air pressure inside is lower than external pressure, circular flexible diaphragm seal is inwardly inhaled, gluing, sealing is near boring.
Embodiment 4: referring to Fig. 4, on embodiment 3 bases, circular base slab can be both that sheet can be also spherical support plate, the arranged outside of spherical support plate groove 8 or outer plate, be convenient to sealing circular flexible diaphragm seal is installed, circular flexible diaphragm seal also can be arranged to the sphere flexible sealing fin of mating with spherical support plate.
Claims (7)
1. brill is taken out an integrated apparatus, comprises drilling rod and drill bit, and rig, it is characterized in that: described drilling rod is hollow PVC drilling rod, and described drill bit is PVC drill bit, and PVC drilling rod is sealed docking piecemeal, and the end seal of PVC drilling rod is connected on air extractor.
2. brill according to claim 1 is taken out integrated apparatus, it is characterized in that: on described PVC drill bit, embed metal blade form composite drill bit at drill lip position.
3. brill according to claim 2 is taken out integrated apparatus, it is characterized in that: the mode of setting-in is to be provided with fin at the root of metal blade, and the groove of coupling is set on drill bit pedestal, and fin forms complex by heat seal process after being flush-mounted in groove.
4. brill according to claim 1 is taken out integrated apparatus, it is characterized in that: the interface of adjacent drill pipes is set with sealing ring.
5. brill according to claim 4 is taken out integrated apparatus, it is characterized in that: the sealing surface of adjacent drill pipes is arranged to annular groove, and sealing ring coupling is sleeved in the annular groove of both sides.
6. brill according to claim 1 is taken out integrated apparatus, it is characterized in that: at drilling rod end, Ka Tai is set, card platform outside suit circular base slab, be set with circular flexible diaphragm seal in the outside of circular base slab, the external diameter of circular flexible diaphragm seal is greater than the external diameter of circular base slab, and is greater than the external diameter of boring.
7. brill according to claim 1 is taken out integrated apparatus, it is characterized in that: in described PVC drilling rod one side, aspirating hole is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410142079.1A CN103939129B (en) | 2014-04-10 | 2014-04-10 | Integrated apparatus taken out by brill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410142079.1A CN103939129B (en) | 2014-04-10 | 2014-04-10 | Integrated apparatus taken out by brill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103939129A true CN103939129A (en) | 2014-07-23 |
| CN103939129B CN103939129B (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410142079.1A Expired - Fee Related CN103939129B (en) | 2014-04-10 | 2014-04-10 | Integrated apparatus taken out by brill |
Country Status (1)
| Country | Link |
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| CN (1) | CN103939129B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119064A (en) * | 2017-12-15 | 2018-06-05 | 武汉科技大学 | A kind of fast cooling punch device |
| CN109296319A (en) * | 2018-11-16 | 2019-02-01 | 河南理工大学 | A kind of gas drainage hole is drilled with device |
| CN111247306A (en) * | 2017-11-02 | 2020-06-05 | 包尔特殊基础工程有限公司 | Auger assembly |
Citations (8)
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| WO2004048745A1 (en) * | 2002-11-27 | 2004-06-10 | Smart Stabilizer Systems Limited | Steerable drill bit arrangement |
| CN1904307A (en) * | 2005-07-27 | 2007-01-31 | 张超 | Improved structure of spiral anger and profiled semi screw pole body |
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| RU2372467C1 (en) * | 2008-06-26 | 2009-11-10 | Общество с ограниченной ответственностью "Биттехника" | Device for drilling of slant boreholes |
| CN101614133A (en) * | 2009-07-14 | 2009-12-30 | 中国矿业大学 | High pressure jet drilling and slotting integration pressure-release anti-burst method |
| CN102230363A (en) * | 2011-06-10 | 2011-11-02 | 河南理工大学 | Device and method for drilling and forming hole in coal rock in structural belt |
| CN203939519U (en) * | 2014-04-10 | 2014-11-12 | 河南理工大学 | Brill is taken out integrated apparatus |
-
2014
- 2014-04-10 CN CN201410142079.1A patent/CN103939129B/en not_active Expired - Fee Related
Patent Citations (8)
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|---|---|---|---|---|
| CN2464924Y (en) * | 2000-12-13 | 2001-12-12 | 王效勤 | Multi-stage combined dimond composite piece drill |
| WO2004048745A1 (en) * | 2002-11-27 | 2004-06-10 | Smart Stabilizer Systems Limited | Steerable drill bit arrangement |
| CN1904307A (en) * | 2005-07-27 | 2007-01-31 | 张超 | Improved structure of spiral anger and profiled semi screw pole body |
| CN101131091A (en) * | 2007-07-26 | 2008-02-27 | 煤炭科学研究总院重庆分院 | Down-hole coal bed air-pressing helix drilling tools and drilling method using the same |
| RU2372467C1 (en) * | 2008-06-26 | 2009-11-10 | Общество с ограниченной ответственностью "Биттехника" | Device for drilling of slant boreholes |
| CN101614133A (en) * | 2009-07-14 | 2009-12-30 | 中国矿业大学 | High pressure jet drilling and slotting integration pressure-release anti-burst method |
| CN102230363A (en) * | 2011-06-10 | 2011-11-02 | 河南理工大学 | Device and method for drilling and forming hole in coal rock in structural belt |
| CN203939519U (en) * | 2014-04-10 | 2014-11-12 | 河南理工大学 | Brill is taken out integrated apparatus |
Non-Patent Citations (1)
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| 付永水: "易燃厚煤层高瓦斯综放面瓦斯抽放技术研究及应用", 《中州煤炭》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111247306A (en) * | 2017-11-02 | 2020-06-05 | 包尔特殊基础工程有限公司 | Auger assembly |
| CN108119064A (en) * | 2017-12-15 | 2018-06-05 | 武汉科技大学 | A kind of fast cooling punch device |
| CN108119064B (en) * | 2017-12-15 | 2019-08-27 | 武汉科技大学 | A kind of fast cooling punch device |
| CN109296319A (en) * | 2018-11-16 | 2019-02-01 | 河南理工大学 | A kind of gas drainage hole is drilled with device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103939129B (en) | 2016-03-16 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20160316 Termination date: 20210410 |