CN203925355U - The automatically anti-strong spray apparatus in high prominent coal seam - Google Patents

The automatically anti-strong spray apparatus in high prominent coal seam Download PDF

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Publication number
CN203925355U
CN203925355U CN201420321689.3U CN201420321689U CN203925355U CN 203925355 U CN203925355 U CN 203925355U CN 201420321689 U CN201420321689 U CN 201420321689U CN 203925355 U CN203925355 U CN 203925355U
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CN
China
Prior art keywords
pipe
housing
scum
coal seam
drilling rod
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.)
Expired - Fee Related
Application number
CN201420321689.3U
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Chinese (zh)
Inventor
陈向军
李建兵
苏伟伟
李建军
李军文
王林
常兴中
王军杰
杨峰峰
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Qinhe Energy Group Co ltd
Henan University of Technology
Original Assignee
Qinhe Energy Group Co ltd
Henan University of Technology
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Application filed by Qinhe Energy Group Co ltd, Henan University of Technology filed Critical Qinhe Energy Group Co ltd
Priority to CN201420321689.3U priority Critical patent/CN203925355U/en
Application granted granted Critical
Publication of CN203925355U publication Critical patent/CN203925355U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses the automatically anti-strong spray apparatus in a kind of high prominent coal seam, comprise housing and drilling rod, rear side, front side and the downside of housing is connected with respectively rear pipe, front pipe and the second scum pipe, the second scum pipe is connected with total scum pipe, housing is also connected with second exhaust pipe, and second exhaust pipe is connected with extraction pipeline, between second exhaust pipe and total scum pipe, is connected with tube connector, between front pipe and second exhaust pipe, be connected with downtake pipe, front pipe connects total scum pipe by the first scum pipe; Described drilling rod is successively through rear pipe, housing and front pipe, between rear pipe and drilling rod, be provided with sealing shroud, described housing is provided with the front connector for connecting front pipe, the outer ring of described drilling rod is installed with and is positioned at housing and keeps off the moving stop in front connector front side, is provided with the spring being clipped between sealing shroud and moving stop at drilling rod outer ring sleeve.The utility model is a kind of automatically anti-strong spray apparatus in the prominent coal seam of height that can automatic blowout-prevention for coal bed drilling, especially high strength spray orifice.

Description

The automatically anti-strong spray apparatus in high prominent coal seam
Technical field
The utility model belongs to Safety of Coal Mine Production field, relates in particular to a kind of device that can prevent high strength spray orifice in the prominent coal seam of height when construction drill.
Background technology
Coal is as the main body energy at present, and demand is very large.Along with the increase of mining depth and mining rate, coal seam gas-bearing capacity and gas pressure constantly increase, and cause in process of coal mining gas problem also more and more serious, especially high gas and projecting mine.Mine is at construction extraction borehole, or visit water, while visiting the boring such as coal, running into local coal seam has high gas pressure and high gas bearing capacity often to cause spray orifice phenomenon to occur, can cause suddenly the face gas problem that seriously transfinites of boring of executing, sometimes even there is the great Gas Disaster such as gas asphyxiation, gas explosion, therefore, a kind of effective blowout hookup of research and design can ensure the safe construction of boring.When current blowout hookup runs into high strength spray orifice, gas and drilling cuttings can not get in time, discharge fully, and powerful spray orifice impact force directly acts on rig, and the health of executing driller people is caused a significant threat safely.
In addition, execute in brill process and can produce a large amount of gas, water, coal mixtures, while especially there is spray orifice, a large amount of drilling cuttings gush with spray orifice one and go out, and as do not separated in time drilling cuttings mixture, water, coal will likely stop up boring, the impact process of drilling.Therefore, in the time of projecting coal bed construction drill, in requisition for a set of have automatically anti-strong spray and can efficient separation gas, the integrated apparatus of water, coal, both can ensure the safety of drilling, can ensure again the progress of drilling.
Utility model content
The purpose of this utility model is to provide a kind of automatically anti-strong spray apparatus in the prominent coal seam of height that can automatic blowout-prevention for coal bed drilling, especially high strength spray orifice.
For achieving the above object, the utility model adopts following technical scheme: the automatically anti-strong spray apparatus in high prominent coal seam, comprise housing and drilling rod, rear side, front side and the downside of housing is connected with respectively rear pipe, front pipe and the second scum pipe, the second scum pipe is connected with total scum pipe, housing is also connected with second exhaust pipe, second exhaust pipe is connected with extraction pipeline, between second exhaust pipe and total scum pipe, be connected with tube connector, between front pipe and second exhaust pipe, be connected with downtake pipe, front pipe connects total scum pipe by the first scum pipe; Described drilling rod is successively through rear pipe, housing and front pipe, between rear pipe and drilling rod, be provided with sealing shroud, described housing is provided with the front connector for connecting front pipe, the outer ring of described drilling rod is installed with and is positioned at housing and keeps off the moving stop in front connector front side, is provided with the spring being clipped between sealing shroud and moving stop at drilling rod outer ring sleeve.
Described housing is provided with the slag-drip opening for connecting the second scum pipe, and described spring connects a lower baffle plate by steel wire, and lower baffle plate covers the upside of slag-drip opening.
The caliber of second exhaust pipe is 2 times of downtake pipe caliber, and the caliber of the second scum pipe is 2 times of the first scum pipe caliber.
A reaming pipe is docked in described front pipe front side, and reaming Guan Yuqian pipe is flange connection.
Described tube connector is provided with switch valve.
Described switch valve is positioned on the tube connector of tube connector and total scum pipe junction.
Described second exhaust pipe is connected in the upside of housing.
The automatically anti-strong spray apparatus in the prominent coal seam of height described in the utility model, its beneficial effect is: when the spray orifice that runs into varying strength all can be realized automatic blowout-prevention, especially for projecting coal bed high strength spray orifice, ensure construction safety; Follow gas, water, coal mixtures that spray orifice produces by this device can also be efficiently, automatically mixture is separated to guarantee construction speed.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
The automatically anti-strong spray apparatus in the prominent coal seam of height as shown in Figure 1, comprise housing 15 and drilling rod 1, housing 15 is cube shaped housing, the rear side of housing 15, front side and downside are connected with respectively rear pipe 14, front pipe 16 and the second scum pipe 17, the upside of housing 15 is also connected with second exhaust pipe 5, the rear side of housing 15, front side, downside, upside is the corresponding rear connector being provided with for connecting rear pipe 14 respectively, for connecting the front connector of front pipe 16, for connecting the slag-drip opening 20 of the second scum pipe 17 and upper connector for being connected second exhaust pipe 5, make the rear side of housing 15 connect rear pipe 14 by rear connector, pipe 16 before the front side of housing 15 connects by front connector, the downside of housing 15 connects the second scum pipe 17 by slag-drip opening 20, the upside of housing 15 connects second exhaust pipe 5 by upper connector.
Second exhaust pipe 5 is connected with extraction pipeline 11, the second scum pipe 17 is connected with total scum pipe 18, total scum pipe 18 is positioned at the downside of the second scum pipe 17, between second exhaust pipe 5 and total scum pipe 18, be connected with tube connector 13, tube connector 13 is provided with switch valve 12, and switch valve 12 is positioned on the tube connector 13 of tube connector 13 and total scum pipe 18 junctions.Between front pipe 16 and second exhaust pipe 5, be connected with downtake pipe 4, front pipe 16 connects total scum pipe 18 by the first scum pipe 3, the bottom nozzle of the bottom nozzle of the second scum pipe 17 and the first scum pipe 3 is connected with the top mouth of total scum pipe 18 respectively, make the second scum pipe 17, the first scum pipe 3 and total scum pipe 18 be " Y " set up of character patt ern, the bottom nozzle of total scum pipe 18 is total slag-drip opening.The caliber of second exhaust pipe 5 is 2 times of downtake pipe 4 calibers, and the caliber of the second scum pipe 17 is 2 times of the first scum pipe 3 calibers.
A reaming pipe 10 is docked in front pipe 16 front sides, and reaming pipe 10 is with front pipe 16 for flange is connected, and the front port of the rear port of reaming pipe 10 and front pipe 16 all corresponding being provided with between flange 2, two flange 2 has sealing leather packing in case leak-stopping gas.Described drilling rod 1 passes to front successively from rear from rear pipe 14, housing 15, front pipe 16 and reaming pipe 10, and drilling rod 1 is front and back horizontal-extending, is provided with the sealing shroud 8 of annular between rear pipe 14 and drilling rod 1, and sealing shroud 8 is set in the outer ring of drilling rod 1.The outer ring of described drilling rod 1 is installed with and is positioned at housing 15 and keeps off the moving stop 9 in front connector front side, and moving stop 9 for welding, is provided with the spring 7 being clipped between sealing shroud 8 and moving stop 9 with drilling rod 1 at drilling rod 1 outer ring sleeve.Spring 7 connects a lower baffle plate 6 by steel wire 19, lower baffle plate 6 is positioned at the downside of spring 7, described lower baffle plate 6 is positioned at housing 15 and covers the upside of slag-drip opening 20, when under the normality that spring 7 is not stressing, lower baffle plate 6 covers the upside of slag-drip opening 20, and in the time that spray orifice occurs in boring, spring 7 compresses, make lower baffle plate 6 along with the compression of spring 7 is removed from slag-drip opening 20, housing 15 is communicated with the second scum pipe 17.
The automatically anti-strong spray apparatus in the prominent coal seam of height described in the utility model, in the time of work, first use reaming bit to carry out reaming to designated depth to the boring of construction in advance, insert reaming pipe 10 and be fixed on coal body, then the automatically anti-strong spray apparatus miscellaneous part in high prominent coal seam is installed, second exhaust pipe 5 is connected to extraction pipeline 11 by extraction pipeline 11 joints, tube connector 13 connects total scum pipe 18 and second exhaust pipe 5, make extraction pipeline 11, downtake pipe 4, the first scum pipe 3, second exhaust pipe 5, the second scum pipe 17, housing 15 and the state of total scum pipe 18 in being interconnected, therefore this device is all worked under subnormal ambient.
Drill bit is implemented in drilling process, and in boring, gas, water, coal mixtures enter reaming pipe 10, and methane gas first by downtake pipe 4, is drawn in extraction pipeline 11 under suction function; Water, ickings mixture also automatically enter total scum pipe 18 from the first scum pipe 3 under suction function, avoid stopping up boring.In the time there is projecting coal bed high strength spray orifice, downtake pipe 4 and the first scum pipe 3 are difficult to timely release, gas, water, the impact force of coal mixtures acts directly on moving stop 9, moving stop 9 promotes spring 7 contractions and slides backward, at this moment second exhaust pipe 5 can be opened automatically, because the caliber of second exhaust pipe 5 is 2 times of downtake pipe 4 calibers, the caliber of the second scum pipe 17 is 2 times of the first scum pipe 3 calibers, gas pressure can reduce moment, under suction function, a large amount of methane gas is first pulled out simultaneously, spring 7 continues to shrink, now spring 7 compresses lower baffle plate 6 is opened, a large amount of drilling cuttings mixtures can enter the second scum pipe 17 fast, prevent that drilling cuttings from stopping up blowout hookup, the powerful impact force of spray orifice obtains timely removal, reduce the intense impact degree of spray orifice to rig, after spray orifice impact force is fully discharged, spring 7 automatically recovers under elastic force effect, lower baffle plate 6 is got back to original position slag-drip opening 20 is closed, moving stop 9 is got back to front end front connector is covered and closed, and can realize automatically the opening of moving stop 9 and lower baffle plate 6, closing function by spring 7.In addition, two cover stacks are connected with extraction pipeline 11, by tube connector 13, total scum pipe 18 is connected with second exhaust pipe 5, in the time there is high strength spray orifice, part gas can enter in total scum pipe 18 with drilling cuttings, open in time switch valve 12 and detach these gas, can prevent total scum pipe 18 gas exceeding limits, can realize the separation fast automatically of a large amount of gas, water, coal mixtures.

Claims (7)

1. the automatically anti-strong spray apparatus in high prominent coal seam, it is characterized in that: comprise housing and drilling rod, rear side, front side and the downside of housing is connected with respectively rear pipe, front pipe and the second scum pipe, the second scum pipe is connected with total scum pipe, housing is also connected with second exhaust pipe, and second exhaust pipe is connected with extraction pipeline, between second exhaust pipe and total scum pipe, is connected with tube connector, between front pipe and second exhaust pipe, be connected with downtake pipe, front pipe connects total scum pipe by the first scum pipe; Described drilling rod is successively through rear pipe, housing and front pipe, between rear pipe and drilling rod, be provided with sealing shroud, described housing is provided with the front connector for connecting front pipe, the outer ring of described drilling rod is installed with and is positioned at housing and keeps off the moving stop in front connector front side, is provided with the spring being clipped between sealing shroud and moving stop at drilling rod outer ring sleeve.
2. the automatically anti-strong spray apparatus in the prominent coal seam of height as claimed in claim 1, is characterized in that: described housing is provided with the slag-drip opening for connecting the second scum pipe, and described spring connects a lower baffle plate by steel wire, and lower baffle plate covers the upside of slag-drip opening.
3. the automatically anti-strong spray apparatus in the prominent coal seam of height as claimed in claim 1, is characterized in that: the caliber of second exhaust pipe is 2 times of downtake pipe caliber, and the caliber of the second scum pipe is 2 times of the first scum pipe caliber.
4. the automatically anti-strong spray apparatus in the prominent coal seam of height as claimed in claim 1, is characterized in that: a reaming pipe is docked in described front pipe front side, and reaming Guan Yuqian pipe is flange connection.
5. the automatically anti-strong spray apparatus in the prominent coal seam of height as claimed in claim 1, is characterized in that: described tube connector is provided with switch valve.
6. the automatically anti-strong spray apparatus in the prominent coal seam of height as claimed in claim 5, is characterized in that: described switch valve is positioned on the tube connector of tube connector and total scum pipe junction.
7. the automatically anti-strong spray apparatus in the prominent coal seam of height as claimed in claim 1, is characterized in that: described second exhaust pipe is connected in the upside of housing.
CN201420321689.3U 2014-06-17 2014-06-17 The automatically anti-strong spray apparatus in high prominent coal seam Expired - Fee Related CN203925355U (en)

Priority Applications (1)

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CN201420321689.3U CN203925355U (en) 2014-06-17 2014-06-17 The automatically anti-strong spray apparatus in high prominent coal seam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420321689.3U CN203925355U (en) 2014-06-17 2014-06-17 The automatically anti-strong spray apparatus in high prominent coal seam

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105215020A (en) * 2015-10-28 2016-01-06 中铁科工集团轨道交通装备有限公司 A kind of pipe dredging device
CN113417569A (en) * 2021-07-12 2021-09-21 河南永锦能源有限公司云盖山煤矿一矿 Coal mine water control and blowout prevention integrated device and manufacturing and using method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105215020A (en) * 2015-10-28 2016-01-06 中铁科工集团轨道交通装备有限公司 A kind of pipe dredging device
CN113417569A (en) * 2021-07-12 2021-09-21 河南永锦能源有限公司云盖山煤矿一矿 Coal mine water control and blowout prevention integrated device and manufacturing and using method thereof
CN113417569B (en) * 2021-07-12 2023-09-26 河南永锦能源有限公司云盖山煤矿一矿 Coal mine water control and blowout prevention integrated device and manufacturing and using method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141105

Termination date: 20150617

EXPY Termination of patent right or utility model