CN205918391U - Coalbed gas blowout preventer - Google Patents
Coalbed gas blowout preventer Download PDFInfo
- Publication number
- CN205918391U CN205918391U CN201620874174.5U CN201620874174U CN205918391U CN 205918391 U CN205918391 U CN 205918391U CN 201620874174 U CN201620874174 U CN 201620874174U CN 205918391 U CN205918391 U CN 205918391U
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- China
- Prior art keywords
- drilling rod
- coal
- gas
- aqueous vapor
- water
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Abstract
The utility model discloses a coalbed gas blowout preventer, including the drilling rod, the surface cover of drilling rod has solid hole pipe, gu be equipped with drilling on the pipe of hole, the drilling rod passes many mouthfuls of logical devices and rig in proper order, the below of many mouthfuls of logical devices is connected with stores up the coal device, many mouthfuls of logical devices include the drilling rod passageway, the ring flange is all installed to the both sides of drilling rod passageway, the top of drilling rod passageway is equipped with the gas export, its below is equipped with the mouth that produces coal, the below of gas export is equipped with first filter screen, the gas export has water and gas separating device through the hose connection, water and gas separating device includes the aqueous vapor separator box, the blind plate is all installed at the both ends of aqueous vapor separator box, the upper portion of aqueous vapor separator box is do not installed one and is taken valve 51mm direct with a plurality of 51mm to parting on the left side from the right side, its sub -unit connection has the header tank. The device can realize effective separation with gas, water, coal that drilling was come out before getting into drainage system, make gas get into drainage system, and water and coal are isolated, can improve staff's factor of safety.
Description
Technical field
This utility model is related to mine preventer field, specially a kind of coal-bed gas blowout hookup.
Background technology
Gas spray orifice is a kind of gas accident of high gas and outburst mine generally existing.At present, mainly the arranging of gas control
Applying is construction drill draining coal seam gas.But, during mash gas pumping drilling construction, because crustal stress is high, gas pressure
Greatly, ature of coal is soft, and the prominent accident of boring easily occurs.Boring is prominent can be divided into 2 types, and one is to induce work due to drilling
Make face coal and gas prominent, two is the boring spray orifice substantially remaining intact of holing.Data shows, more than 90% boring projects and belongs to
In boring spray orifice.Boring spray orifice phenomenon general persistence is longer, during drilling construction, multiple spray orifice often occurs, makes
Operating location gas exceeding limit, affects construction speed, the personal safety of possible entail dangers to site operation personnel when serious.For boring
Spray orifice does not still have a kind of effective prevention method at present, can only install blowout hookup in aperture and be controlled holing what spray orifice caused
Harm.
Utility model content
For problem above, this utility model provides a kind of coal-bed gas blowout hookup, can by boring gas out,
Water, coal were realized efficiently separating before entering extraction system, made gas enter extraction system, water and coal are separated, permissible
Improve the safety coefficient of staff, can be with the problem in effectively solving background technology.
For achieving the above object, this utility model provides a kind of following technical scheme: coal-bed gas blowout hookup, including brill
Bar, the outer surface of described drilling rod is cased with solid hole pipe, and solid hole pipe is provided with boring, and described drilling rod sequentially passes through many mouthfuls of exchange devices and brill
Machine, the lower section of described many mouthfuls of exchange devices is connected with coal storage device, and coal storage device is provided with hose connection, described many mouthfuls of exchange device bags
Include drilling rod passage, the both sides of described drilling rod passage are mounted on ring flange, and the top of described drilling rod passage is provided with gas export, its
Lower section is provided with coal outlet, and the lower section of described gas export is provided with the first drainage screen, and described gas export has water by hose connection
Air separation, described moisture separator includes aqueous vapor separator box, and the two ends of described aqueous vapor separator box are mounted on blind plate, its
Inside is provided with baffle plate and the second drainage screen, and the top of described aqueous vapor separator box is separately installed with a band valve 51mm from right to left
Straight-through and several 51mm lead directly to, and its underpart is connected with header tank, and the upper and lower ends of header tank are equipped with butterfly valve, and described 51mm is straight
All cross extraction flexible pipe to be connected with hose connection.
As a kind of preferred technical scheme of this utility model, the spacing between solid hole pipe and drilling rod is 50-100mm.
As a kind of preferred technical scheme of this utility model, described band valve 51mm leads directly to and is connected with extraction pipeline.
As a kind of preferred technical scheme of this utility model, described coal storage device is l font.
Compared with prior art, the beneficial effects of the utility model are: this device is by solid hole pipe, many mouthfuls of exchange devices, air waters
Segregation apparatuss and coal storage device etc. form, and boring gas and water out, coal can be realized before entering extraction system effective point
From making gas enter extraction system, water and coal are separated, and can improve the safety coefficient of staff, drill through
During coal seam, can the highly concentrated gas that gush out in boring, enter extraction system through gas-water separation, and boring of directly not gushing out applied
In work drill site, efficiently solve the problems, such as gas exceeding limit during drilling construction, substantially increase drilling construction speed, effect is very
Significantly.
Brief description
Fig. 1 is this utility model structural representation；
Fig. 2 is many mouthfuls of exchange device structural representations of this utility model；
Fig. 3 is this utility model moisture separator structural representation.
In figure: 1- drilling rod；2- solid hole pipe；3- holes；Many mouthfuls of exchange devices of 4-；5- rig；6- coal storage device；7- flexible pipe connects
Mouthful；8- drilling rod passage；9- ring flange；10- gas export；11- coal outlet；12- first drainage screen；13- flexible pipe；14- aqueous vapor is divided
From device；15- aqueous vapor separator box；16- blind plate；17- baffle plate；18- second drainage screen；19- band valve 51mm leads directly to；20-51mm
Straight-through；21- header tank；22- butterfly valve；23- extraction flexible pipe；24- extraction pipeline.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Embodiment:
Refer to Fig. 1 to Fig. 3, this utility model provides a kind of a kind of technical scheme: coal-bed gas blowout hookup, including brill
Bar 1, the outer surface of described drilling rod 1 is cased with solid hole pipe 2, and solid hole pipe 2 is provided with boring 3, between described solid hole pipe 2 and drilling rod 1
Spacing is 50-100mm, and described drilling rod 1 sequentially passes through many mouthfuls of exchange devices 4 and rig 5, and the lower section of described many mouthfuls of exchange devices 4 connects
There is coal storage device 6, coal storage device 6 is provided with hose connection 7, described coal storage device 6 is l font, described many mouthfuls of exchange devices 4 include
Drilling rod passage 8, the both sides of described drilling rod passage 8 are mounted on ring flange 9, and the top of described drilling rod passage 8 is provided with gas export
10, it is provided with coal outlet 11 below, the lower section of described gas export 10 is provided with the first drainage screen 12, and described gas export 10 passes through
Flexible pipe 13 is connected with moisture separator 14, and described moisture separator 14 includes aqueous vapor separator box 15, described aqueous vapor separator box
15 two ends are mounted on blind plate 16, are internally provided with baffle plate 17 and the second drainage screen 18, the top of described aqueous vapor separator box 15
It is separately installed with a band valve 51mm from right to left and leads directly to 19 and several 51mm straight-through 20, its underpart is connected with header tank
21, the upper and lower ends of header tank 21 are equipped with butterfly valve 22, and described 51mm is led directly to 20 and is connected with hose connection 7 by extraction flexible pipe 23
Connect, described band valve 51mm leads directly to 19 and is connected with extraction pipeline 24.
Operation principle of the present utility model: under the collective effect that gas pressure and water (wind) are pressed, coal dust and methane gas
Enter many mouthfuls of exchange devices, gas and water, through the first drainage screen, enter into gas and water separator by gas export, coal dust is in gravity
Under effect, fall from coal outlet, enter coal storage device, the methane gas in this device enter gas-water separation dress by extraction flexible pipe
Put, after gas and water enter gas and water separator, filtration through baffle and the second drainage screen, methane gas are through carrying valve
51mm leads directly to and enters extraction pipeline, and water enters header tank under gravity, and header tank respectively has a butterfly valve, normal work up and down
When top butterfly valve open, bottom butterfly valve cuts out, and gas-water separation case and header tank communicate, and when discharging water, closes top butterfly valve, by gas
Water separating tank and header tank separate, and open bottom butterfly valve and discharge water, and after the completion of discharging water, are again switched off bottom butterfly valve, open top butterfly
Valve, is so repeated gas-water separation work.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in this utility model
Protection domain within.
Claims (4)
1. it is characterised in that including drilling rod (1), the outer surface of described drilling rod (1) is cased with solid hole to a kind of coal-bed gas blowout hookup
Pipe (2), solid hole pipe (2) is provided with boring (3), and described drilling rod (1) sequentially passes through many mouthfuls of exchange devices (4) and rig (5), described many
The lower section of mouth exchange device (4) is connected with coal storage device (6), and coal storage device (6) is provided with hose connection (7), described many mouthfuls logical dresses
Put (4) and include drilling rod passage (8), the both sides of described drilling rod passage (8) are mounted on ring flange (9), described drilling rod passage (8)
Top is provided with gas export (10), is provided with coal outlet (11) below, the lower section of described gas export (10) is provided with the first filtration
Net (12), described gas export (10) is connected with moisture separator (14), described moisture separator by flexible pipe (13)
(14) include aqueous vapor separator box (15), the two ends of described aqueous vapor separator box (15) are mounted on blind plate (16), be internally provided with keeping off
Plate (17) and the second drainage screen (18), the top of described aqueous vapor separator box (15) is separately installed with a band valve from right to left
51mm leads directly to (19) and several 51mm lead directly to (20), and its underpart is connected with header tank (21), the upper and lower ends of header tank (21)
It is equipped with butterfly valve (22), described 51mm is led directly to (20) and is connected with hose connection (7) by extraction flexible pipe (23).
2. a kind of coal-bed gas blowout hookup according to claim 1 it is characterised in that: described solid hole pipe (2) and drilling rod
(1) spacing between is 50-100mm.
3. a kind of coal-bed gas blowout hookup according to claim 1 it is characterised in that: described band valve 51mm lead directly to
(19) it is connected with extraction pipeline (24).
4. a kind of coal-bed gas blowout hookup according to claim 1 it is characterised in that: described coal storage device (6) be l word
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620874174.5U CN205918391U (en) | 2016-08-01 | 2016-08-01 | Coalbed gas blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620874174.5U CN205918391U (en) | 2016-08-01 | 2016-08-01 | Coalbed gas blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918391U true CN205918391U (en) | 2017-02-01 |
Family
ID=57870759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620874174.5U Expired - Fee Related CN205918391U (en) | 2016-08-01 | 2016-08-01 | Coalbed gas blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205918391U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761770A (en) * | 2019-12-04 | 2020-02-07 | 西安科技大学 | Novel mine slag-water-gas three-phase separation device |
| CN111364938A (en) * | 2020-03-18 | 2020-07-03 | 河南理工大学 | Hole spraying prevention device for drilling construction of coal mine bottom suction roadway |
| 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 |
-
2016
- 2016-08-01 CN CN201620874174.5U patent/CN205918391U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761770A (en) * | 2019-12-04 | 2020-02-07 | 西安科技大学 | Novel mine slag-water-gas three-phase separation device |
| CN111364938A (en) * | 2020-03-18 | 2020-07-03 | 河南理工大学 | Hole spraying prevention device for drilling construction of coal mine bottom suction roadway |
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20170801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |