CN109519207B - Coal seam water injection hole sealing device - Google Patents
Coal seam water injection hole sealing device Download PDFInfo
- Publication number
- CN109519207B CN109519207B CN201811391675.8A CN201811391675A CN109519207B CN 109519207 B CN109519207 B CN 109519207B CN 201811391675 A CN201811391675 A CN 201811391675A CN 109519207 B CN109519207 B CN 109519207B
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- CN
- China
- Prior art keywords
- water injection
- hole sealing
- adjusting
- adjusting layer
- connecting end
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- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 238000002347 injection Methods 0.000 title claims abstract description 102
- 239000007924 injection Substances 0.000 title claims abstract description 102
- 238000007789 sealing Methods 0.000 title claims abstract description 45
- 239000003245 coal Substances 0.000 title claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 37
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
Abstract
The invention discloses a coal seam water injection hole sealing device, which comprises a water injection part and a hole sealing part, and also comprises an adjusting part positioned between the water injection part and the hole sealing part, wherein the adjusting part is provided with a first adjusting layer and a second adjusting layer, the first adjusting layer and the second adjusting layer are connected through an adjusting shaft, the first adjusting layer is of a disc structure, the first adjusting layer is provided with a plurality of first installation positions for installing an expansion water injection body, the second adjusting layer is of a fan-shaped structure, the second adjusting layer is provided with a first connecting end, a second connecting end and a fan surface, the first connecting end and the second connecting end are fixed through bolts, the fan surface is provided with a circular arc-shaped chute and a block for blocking the second connecting end, so that the second connecting end slides along the chute by taking the bolt as the circle center, the position of the second installation position is adjusted, and the problem that the water injection hole sealing device uses a single working surface is solved, the operation on various working surfaces is realized.
Description
Technical Field
The invention relates to the technical field of coal seam water injection, in particular to a coal seam water injection hole sealing device.
Background
Before the exploitation colliery, all need carry out the water injection to the coal seam, its main purpose is exactly for reducing the smoke and dust in coal seam, make the loose that the coal seam tissue becomes, increase the water content between the coal seam, thereby improve the quality of coal, general water injection mode all is applicable to the working face that the coal seam is thinner and gas is rare, be not suitable for multiple coal seam, density and the degree of depth of drilling are decided to the thickness according to the coal seam, water injection hole sealing device is suitable for on the relatively great working face of thicker coal seam and gas concentration, the quantity of the inflation water injection body of installing on the current hole sealing device all remains unchangeable, can not be suitable for all working faces, also can not convert according to actual conditions, cause the delay of engineering easily, also have certain safety problem, the use of equipment and take out the process loaded down with trivial details.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a coal seam water injection and hole sealing device, which solves the problem that the water injection and hole sealing device uses a single working surface and realizes operation on various working surfaces.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the coal seam water injection hole sealing device comprises a water injection part and a hole sealing part, and further comprises an adjusting part located between the water injection part and the hole sealing part, wherein a first adjusting layer and a second adjusting layer are arranged on the adjusting part, the first adjusting layer is connected with the second adjusting layer through an adjusting shaft, the first adjusting layer is of a disc structure, a plurality of first installation positions for installing an expansion water injection body are arranged on the first adjusting layer, the second adjusting layer is of a fan-shaped structure, a first connecting end, a second connecting end and a fan face are arranged on the second adjusting layer, the first connecting end and the second connecting end are fixed through bolts, and a circular arc-shaped sliding groove and a blocking block for blocking the second connecting end are arranged on the fan face, so that the second connecting end slides along the sliding groove by taking the bolts as the circle center to adjust the position of the second installation position.
Preferably, the second adjusting layer is provided with a plurality of second installation positions for installing the expansion water injection body, and the second installation positions are located at the center of the sector.
Preferably, the first adjusting layer and the second adjusting layer are arranged at intervals, and the adjusting shaft is provided with two gears for respectively installing the first adjusting layer and the second adjusting layer.
Preferably, the length of the first connecting end is equal to the diameter of the first adjusting layer.
Preferably, the water injection part is provided with a water injection barrel and a water injection pipe capable of sliding along the water injection barrel.
Preferably, the hole sealing part is provided with an expansion water injection body and a detachable hole sealing head.
Preferably, one end of the water injection barrel, which is close to the adjusting part, is provided with a water inlet pipe.
Preferably, the water injection pipe is sleeved with a rubber plug, and the water injection barrel is provided with a rubber pad for sealing the water injection pipe and the water injection barrel.
(III) advantageous effects
The invention has the following beneficial effects:
1. the water injection part adopts a structure of a water injection pipe and a water injection barrel, and the push-pull of the water injection pipe can adjust the water storage quantity of the water injection pipe and also can adjust the pressure of the water injection pipe;
2. the first adjusting layer and the second adjusting layer are both provided with installation expansion water injection bodies, and the water inflow is adjusted according to the number of the installation expansion water injection bodies, so that the water injection device is suitable for different working surfaces;
3. the cooperation between water injection portion and the regulation portion accomplishes the regulation of pressure and inflow, accomplishes coal seam water injection.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view (I) of the structure of the adjustment part in the present invention;
fig. 3 is a schematic structural view (ii) of the adjusting portion in the present invention.
In the figure: 1 water injection part, 11 water injection pipes, 12 water injection barrels and 13 water inlet pipes; 2 regulating part, 21 first regulating layer, 22 second regulating layer, 222 second connecting end and 223 sector; 3 hole sealing parts and 31 hole sealing heads.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiments of the invention: referring to fig. 1-3, the coal seam water injection hole sealing device comprises a water injection part 1, an adjusting part 2 and a hole sealing part 3, wherein the water injection part 1 adopts the principle of a medical injector, a water injection barrel 12 and a water injection pipe 11 are arranged on the water injection part 1, rubber pads are arranged at the upper end and the lower end of the water injection barrel 12, the outer layer of the rubber pad is also provided with a protective layer, one end of the water injection pipe 11, one end close to the adjusting part 2 and one end of the water injection pipe 11 extending into the water injection barrel 12 are sleeved with rubber plugs, the rubber plugs and the rubber pad are mainly used for increasing the sealing property and the friction force between the water injection pipe 11 and the water injection barrel 12, one end of the water injection barrel 12 close to the adjusting part 2 is provided with a water inlet pipe 13, the water inlet pipe 13 is provided with a water inlet valve, when the rubber pad is required to be used, the distance between the water injection pipe 11 and the adjusting part 2 is adjusted as required, and then the water inlet valve is opened, so that the water flows into the water injection cylinder.
The adjusting part 2 is provided with a first adjusting layer 21 and a second adjusting layer 22, the first adjusting layer 21 and the second adjusting layer 22 are connected through an adjusting shaft, two gears are arranged on the adjusting shaft and are used for installing a first adjusting layer 21 and a second adjusting layer 22 which are different in level, a certain distance is reserved between the first adjusting layer 21 and the second adjusting layer 22, the first adjusting layer 21 is of a disc-shaped structure, a plurality of first installation positions used for installing expansion water injection bodies are arranged on the first adjusting layer 21, the first installation positions are higher than the disc-shaped structure, internal threads are arranged on the first installation positions and are matched with external threads of the expansion water injection bodies, the first installation positions arranged on the first adjusting layer 21 are in a shape of outwards diffused arrangement from the position of a central shaft and are used for installing the expansion water injection bodies with different quantities, installation positions for installing the expansion water injection bodies are also arranged on the adjusting shaft, a first connecting end, a second connecting end and a third connecting end are arranged on the second adjusting layer 22, The second connecting end 222 and the sector 223 are arranged, a circular ring structure is arranged on one side of the first connecting end connected with the adjusting shaft, the first connecting end is fixed on the adjusting shaft, the length of the first connecting end is equal to the diameter of the first adjusting layer 21, the second connecting end 222 is connected with the first connecting end through a bolt, the bolt is used for adjusting the angle between the first connecting end and the second connecting end 222 at any time, a slide way and a stop block capable of stopping the second connecting end 222 are arranged on the sector 223, the second connecting end 222 can move along the slide way by taking the bolt as a rotating shaft, the second connecting end 222 is used for adjusting the position of the second mounting position, the second mounting position is located in the center of the sector 223, and the positions of the second mounting position are distributed from outside to inside along the sector.
The hole sealing part 3 is provided with a hole sealing head 31, one end of the hole sealing head 31, which is installed with the expansion water injection body, is provided with threads, the hole sealing head 31 can be used for installing hole sealing heads 31 of different models, the whole hole sealing head is designed into a circular truncated cone-shaped structure, and the hole sealing head is designed to reduce the resistance of the device.
The use mode of the invention is as follows: referring to fig. 1-2, before the coal seam water injection hole sealing device is used, the thickness of the coal seam and the concentration of gas are detected, after the detection is finished, the type of the hole sealing device to be used is estimated, if the coal seam is thin and the concentration of gas is low, an expansion water injection body can be used, the expansion water injection body is arranged on the position of an adjusting shaft, a first adjusting layer 21 and a second adjusting layer 22 can be detached and then connected with a water injection cylinder 12, an internal thread is arranged at one end of the water injection cylinder connected with the adjusting part and connected with the adjusting part 2, the proper water inflow is adjusted, namely the distance between the water injection pipe 11 and the water injection cylinder 12 is adjusted, the expansion water injection body is inserted into the coal seam, and a water inlet valve is opened for water inflow; if the thickness of the coal seam is moderate and the concentration of gas is moderate, 3-4 expansion water injection bodies can be used, the expansion water injection bodies can be arranged on the first adjusting layer 21 and connected with the adjusting part 2, the distance between the water injection pipe 11 and the water injection barrel 12 is adjusted, the expansion water injection bodies are inserted into the coal seam, and a water inlet valve is opened for water inflow; if under the higher condition of the thickness of coal seam is thick and the concentration of gas, can use many inflation water injection bodies, can annotate the water installation second regulating layer 22 with the inflation on, the second regulating layer 22 can be adjusted wantonly, installs the inflation water injection body of different quantity as required, has solved the problem that water injection hole sealing device used single working face, has realized operating at multiple working face.
Claims (7)
1. The utility model provides a coal seam water injection hole sealing device, includes water injection portion (1) and hole sealing portion (3), its characterized in that: the water injection hole sealing device further comprises an adjusting part (2) positioned between the water injection part (1) and the hole sealing part (3), a first adjusting layer (21) and a second adjusting layer (22) are arranged on the adjusting part (2), the first adjusting layer (21) is connected with the second adjusting layer (22) through an adjusting shaft, the first adjusting layer (21) is of a disc structure, a plurality of first installation positions for installing the expansion water injection body are arranged on the first adjusting layer (21), the second adjusting layer (22) is of a fan-shaped structure, a first connecting end, a second connecting end (222) and a fan surface (223) are arranged on the second adjusting layer (22), the first connecting end and the second connecting end (222) are fixed through bolts, a circular arc-shaped sliding groove and a blocking block for blocking the second connecting end are arranged on the fan surface (223), so that the second connecting end (222) slides along the sliding groove by taking the bolts as rotating shafts, adjusting the position of the second mounting position; and a plurality of second installation positions for installing the expansion water injection body are arranged on the second adjusting layer (22), and the second installation positions are positioned at the central position of the sector (223).
2. The coal seam water injection hole sealing device according to claim 1, characterized in that: first regulation layer (21) with be equipped with the interval between second regulation layer (22), the regulating spindle is equipped with two gears for install first regulation layer (21) and second regulation layer (22) respectively.
3. The coal seam water injection hole sealing device according to claim 1, characterized in that: the length of the first connecting end is equal to the diameter of the first adjusting layer (21).
4. The coal seam water injection hole sealing device according to claim 1, characterized in that: the water injection part (1) is provided with a water injection barrel (12) and a water injection pipe (11) which can slide along the water injection barrel.
5. The coal seam water injection hole sealing device according to claim 1, characterized in that: the hole sealing part (3) is provided with an expansion water injection body and a detachable hole sealing head (31).
6. The coal seam water injection hole sealing device according to claim 4, characterized in that: and a water inlet pipe (13) is arranged at one end of the water injection barrel (12) close to the adjusting part (2).
7. The coal seam water injection hole sealing device according to claim 4, characterized in that: the water injection pipe (11) is sleeved with a rubber plug, and the water injection barrel (12) is provided with a rubber pad for sealing the water injection pipe (11) and the water injection barrel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811391675.8A CN109519207B (en) | 2018-11-21 | 2018-11-21 | Coal seam water injection hole sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811391675.8A CN109519207B (en) | 2018-11-21 | 2018-11-21 | Coal seam water injection hole sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109519207A CN109519207A (en) | 2019-03-26 |
| CN109519207B true CN109519207B (en) | 2021-04-02 |
Family
ID=65778319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811391675.8A Active CN109519207B (en) | 2018-11-21 | 2018-11-21 | Coal seam water injection hole sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109519207B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4520870A (en) * | 1983-12-27 | 1985-06-04 | Camco, Incorporated | Well flow control device |
| CN2742121Y (en) * | 2004-09-24 | 2005-11-23 | 同济大学 | Quick expansion water blocking seal device |
| CN201460804U (en) * | 2009-07-27 | 2010-05-12 | 河南省煤层气开发利用有限公司 | Hole-sealing coal rock strata injector for adjusting unseal pressure |
| CN202421900U (en) * | 2011-12-30 | 2012-09-05 | 成都市三宇仪表科技发展有限公司 | Flow adjustment and control device for water meter |
| US20130206410A1 (en) * | 2012-02-15 | 2013-08-15 | Schlumberger Technology Corporation | Expandable structures for wellbore deployment |
| CN206571485U (en) * | 2017-02-07 | 2017-10-20 | 邹城兖矿泰德工贸有限公司 | Coal seam water injection hole sealing device |
-
2018
- 2018-11-21 CN CN201811391675.8A patent/CN109519207B/en active Active
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| Publication number | Publication date |
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| CN109519207A (en) | 2019-03-26 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 273500 west of middle section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Patentee after: Shandong Yanneng Taide Heavy Industry Co.,Ltd. Address before: 273500 west of middle section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Patentee before: ZOUCHENG YANKUANG TAIDE INDUSTRY & TRADE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20190326 Assignee: Shandong Huiji Industry and Trade Co.,Ltd. Assignor: Shandong Yanneng Taide Heavy Industry Co.,Ltd. Contract record no.: X2023980044768 Denomination of invention: Coal seam water injection sealing device Granted publication date: 20210402 License type: Common License Record date: 20231031 |
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| EE01 | Entry into force of recordation of patent licensing contract |