CN204572052U - Downward gas extraction drilling drainage and deslagging device - Google Patents
Downward gas extraction drilling drainage and deslagging device Download PDFInfo
- Publication number
- CN204572052U CN204572052U CN201520295116.2U CN201520295116U CN204572052U CN 204572052 U CN204572052 U CN 204572052U CN 201520295116 U CN201520295116 U CN 201520295116U CN 204572052 U CN204572052 U CN 204572052U
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- Prior art keywords
- draining
- gas pumping
- hole
- mash gas
- pumping drilling
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- 238000000605 extraction Methods 0.000 title claims abstract description 30
- 238000005553 drilling Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 238000005086 pumping Methods 0.000 claims description 29
- 238000009825 accumulation Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000002791 soaking Methods 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract 1
- 239000002893 slag Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a downward gas extraction drilling drainage and slag discharge device, which comprises a hole sealing pipe inserted into a gas extraction drilling hole, an extraction pipe communicated with the hole sealing pipe and a compressed air drain pipe inserted into the bottom of the extraction drilling hole through the hole sealing pipe; the pipeline of the gas extraction pipe is provided with a water storage chamber for collecting accumulated water and impurities in the gas extraction hole, and the compressed air drain pipe is connected with an air outlet of the compressed air system, so that hole collapse and hole blockage of the drill hole due to long-term soaking in water can be effectively prevented.
Description
Technical field
The utility model relates to down-hole drilling extraction field, specifically under one to mash gas pumping drilling draining, slag-draining device.
Background technology
It is lower to mash gas pumping drilling that current underground site uses, and its major drawbacks is that boring ponding often occurs, drilling cuttings gathers, and causes boring collapse hole, plug-hole due to ponding, causes gas pumping less effective.Existing mash gas pumping drilling draining, Slagoff method and device are ponding in the automatic or manual tailrace discharge line of device in extraction pipeline, and drainage measure of not taking the initiative, this method only reduces the negative pressure resistance of extraction pipeline, the boring collapse hole that but can not solve hole internal water accumulation and be caused by ponding, plug-hole phenomenon.
Therefore, the purpose of this utility model is to provide a kind of can effectively preventing and holes because there is collapse hole, the extraction borehole draining of plug-hole phenomenon, slag-draining device in long period of soaking water, mash gas pumping drilling can be made to keep efficient extraction for a long time by regular draining, deslagging, shorten and find time in advance, reduce control of coalmine gas Meteorological.
Utility model content
In view of this, the purpose of this utility model overcomes defect of the prior art, provides a kind of and can effectively prevent boring because there is collapse hole, the extraction borehole draining of plug-hole phenomenon, slag-draining device in long period of soaking water.
Of the present utility model lower to mash gas pumping drilling draining, slag-draining device, comprise hole sealing tube, the drainage tube be communicated with described hole sealing tube in insertion mash gas pumping drilling and insert the pressure wind gutter bottom extraction borehole by hole sealing tube; Be provided with the water storage chamber for collecting gas pumping hole internal water accumulation and impurity in the pipeline of described drainage tube, described pressure wind gutter is connected with compressed-air system air outlet;
Further, tee junction is provided with between described hole sealing tube and drainage tube, the first interface of described tee junction is connected to hole sealing tube, second interface of tee junction is connected to drainage tube, and described pressure wind gutter inserts in mash gas pumping drilling through the 3rd interface of tee junction and first interface successively;
Further, electromagnetic valve is provided with between described pressure wind gutter and compressed-air system and this electromagnetic valve controls opening and closing by a controller;
Further, the 3rd interface of described tee junction has been threaded connection threeway lid, and described threeway is covered with and the via hole of pressing wind gutter to coordinate;
Further, described drainage tube comprises the first arm being communicated in tee piece second interface and water storage chamber sidewall and the second arm being communicated in water storage chamber top;
Further, described pressure wind gutter is aluminium-plastic pipe.
The beneficial effects of the utility model are: of the present utility model lower to mash gas pumping drilling draining, slag-draining device, when being full of ponding in extraction borehole, compressed-air system can be started, ponding in extraction borehole is blown out by pressure wind gutter by the pressure wind produced in compressed-air system, open gas pumping equipment simultaneously, the negative pressure of drainage tube is utilized to carry out extraction to the ponding in hole sealing tube, inflow is stored in water storage chamber when extraction Bottomhole pressure by ponding, when water level in water storage chamber arrives setting height, water storage chamber outlet can be opened discharge water, therefore, device of the present utility model is adopted can effectively to prevent boring because there is collapse hole in long period of soaking water, plug-hole phenomenon, by regular draining, deslagging can make mash gas pumping drilling keep efficient extraction for a long time, shorten and find time in advance, reduce control of coalmine gas Meteorological.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the connection diagram of tee junction of the present utility model.
Detailed description of the invention
Fig. 1 is structural representation of the present utility model, as shown in the figure, the present embodiment lower to mash gas pumping drilling draining, slag-draining device, comprises the hole sealing tube 6, the drainage tube 3 be communicated with described hole sealing tube 6 that insert in mash gas pumping drilling and inserts the pressure wind gutter 5 bottom extraction borehole by hole sealing tube 6, the water storage chamber 2 for collecting gas pumping hole internal water accumulation and impurity is provided with in the pipeline of described drainage tube 3, described pressure wind gutter 5 is connected with compressed-air system 9 air outlet, when being full of ponding in extraction borehole, compressed-air system 9 can be started, ponding in extraction borehole is blown out by pressure wind gutter 5 by the pressure wind produced in compressed-air system 9, open gas pumping equipment simultaneously, the negative pressure of drainage tube 3 is utilized to carry out extraction to the ponding in hole sealing tube 6, when ponding flows in drainage tube 3, inflow is stored in water storage chamber 2, when water level in water storage chamber 2 arrives setting height, water storage chamber 2 outlet can be opened discharge water.Therefore, device of the present utility model is adopted can effectively to prevent boring because there is collapse hole, plug-hole phenomenon in long period of soaking water, mash gas pumping drilling can be made to keep efficient extraction for a long time by regular draining, deslagging, shorten and find time in advance, reduce control of coalmine gas Meteorological.
In the present embodiment, tee junction 4 is provided with between described hole sealing tube 6 and drainage tube 3, the first interface of described tee junction 4 is connected to hole sealing tube 6, second interface of tee junction 4 is connected to drainage tube 3, described pressure wind gutter 5 inserts in mash gas pumping drilling through the 3rd interface of tee junction 4 and first interface successively, can connect hole sealing tube 6, drainage tube 3 and pressure wind gutter 5 efficiently and effectively by this tee junction 4.
In the present embodiment, electromagnetic valve 7 is provided with and this electromagnetic valve 7 controls its opening and closing by a controller 8 between described pressure wind gutter 5 and compressed-air system 9, in normal gas pumping process, this electromagnetic valve 7 should be closed, only by drainage device, extraction is carried out to gas, when there being ponding in extraction borehole, controller 8 Controlling solenoid valve 7 is opened, thus carries out draining.
In the present embodiment, 3rd interface of described tee junction 4 has been threaded connection threeway lid 10, described threeway lid 10 is provided with and the via hole of pressing wind gutter 5 to coordinate, because the caliber of pressure wind gutter 5 is relatively little, therefore, threeway lid 10 is utilized to realize pressing the sealing between wind gutter 5 and tee junction 4.
In the present embodiment, described drainage tube 3 comprises the first arm being communicated in tee piece second interface and water storage chamber 2 sidewall and the second arm 1 being communicated in water storage chamber 2 top, the ponding that this arrangement can ensure to blow out from extraction borehole, impurity can be stored in water storage chamber 2, avoid ponding extracted out by gas drainage system or pass back in extraction borehole.
In the present embodiment, described pressure wind gutter 5 is aluminium-plastic pipe, and aluminium-plastic pipe is a kind of tubing comparatively popular on the market, and due to its light weight, durable and easy construction, on the other hand, the flexible wires of aluminium-plastic pipe is better, is convenient to bending and inserts in extraction borehole.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (6)
1. to mash gas pumping drilling draining, a slag-draining device under, it is characterized in that: comprise hole sealing tube, the drainage tube be communicated with described hole sealing tube in insertion mash gas pumping drilling and insert the pressure wind gutter bottom extraction borehole by hole sealing tube; Be provided with the water storage chamber for collecting gas pumping hole internal water accumulation and impurity in the pipeline of described drainage tube, described pressure wind gutter is connected with compressed-air system air outlet.
2. according to claim 1 lower to mash gas pumping drilling draining, slag-draining device, it is characterized in that: between described hole sealing tube and drainage tube, be provided with tee junction, the first interface of described tee junction is connected to hole sealing tube, second interface of tee junction is connected to drainage tube, and described pressure wind gutter inserts in mash gas pumping drilling through the 3rd interface of tee junction and first interface successively.
3. according to claim 1 lower to mash gas pumping drilling draining, slag-draining device, it is characterized in that: be provided with electromagnetic valve between described pressure wind gutter and compressed-air system and this electromagnetic valve controls its opening and closing by a controller.
4. according to claim 2 lower to mash gas pumping drilling draining, slag-draining device, it is characterized in that: the 3rd interface of described tee junction has been threaded connection threeway lid, and described threeway is covered with and the via hole of pressing wind gutter to coordinate.
5. according to claim 2 lower to mash gas pumping drilling draining, slag-draining device, it is characterized in that: described drainage tube comprises the first arm being communicated in tee piece second interface and water storage chamber sidewall and the second arm being communicated in water storage chamber top.
6. according to claim 1 lower to mash gas pumping drilling draining, slag-draining device, it is characterized in that: described pressure wind gutter is aluminium-plastic pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520295116.2U CN204572052U (en) | 2015-05-08 | 2015-05-08 | Downward gas extraction drilling drainage and deslagging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520295116.2U CN204572052U (en) | 2015-05-08 | 2015-05-08 | Downward gas extraction drilling drainage and deslagging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204572052U true CN204572052U (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520295116.2U Active CN204572052U (en) | 2015-05-08 | 2015-05-08 | Downward gas extraction drilling drainage and deslagging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204572052U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697053A (en) * | 2016-02-26 | 2016-06-22 | 安徽理工大学 | Pumping and pressing hybrid gas extraction downward drilling and water draining device |
| CN107387159A (en) * | 2017-09-06 | 2017-11-24 | 中煤科工集团重庆研究院有限公司 | Intelligent drainage and deslagging system for downward drilling of coal mine gas extraction and application of intelligent drainage and deslagging system |
| CN107882586A (en) * | 2017-12-12 | 2018-04-06 | 贵州盘江精煤股份有限公司 | Water-bound and its construction method are blown in a kind of coal mine gas extraction |
| CN112012698A (en) * | 2020-08-19 | 2020-12-01 | 中煤科工集团西安研究院有限公司 | Device and method for pumping accumulated water in underground hole of coal mine |
| CN113586013A (en) * | 2021-08-30 | 2021-11-02 | 太原理工大学 | Intelligent drainage and deslagging integrated system and method for gas extraction downward drilling |
-
2015
- 2015-05-08 CN CN201520295116.2U patent/CN204572052U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697053A (en) * | 2016-02-26 | 2016-06-22 | 安徽理工大学 | Pumping and pressing hybrid gas extraction downward drilling and water draining device |
| CN107387159A (en) * | 2017-09-06 | 2017-11-24 | 中煤科工集团重庆研究院有限公司 | Intelligent drainage and deslagging system for downward drilling of coal mine gas extraction and application of intelligent drainage and deslagging system |
| CN107387159B (en) * | 2017-09-06 | 2019-01-22 | 中煤科工集团重庆研究院有限公司 | Intelligent drainage and deslagging system for downward drilling of coal mine gas extraction and application of intelligent drainage and deslagging system |
| CN107882586A (en) * | 2017-12-12 | 2018-04-06 | 贵州盘江精煤股份有限公司 | Water-bound and its construction method are blown in a kind of coal mine gas extraction |
| CN112012698A (en) * | 2020-08-19 | 2020-12-01 | 中煤科工集团西安研究院有限公司 | Device and method for pumping accumulated water in underground hole of coal mine |
| CN112012698B (en) * | 2020-08-19 | 2022-07-19 | 中煤科工集团西安研究院有限公司 | Device and method for pumping accumulated water in underground hole of coal mine |
| CN113586013A (en) * | 2021-08-30 | 2021-11-02 | 太原理工大学 | Intelligent drainage and deslagging integrated system and method for gas extraction downward drilling |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |