CN204002688U - Borehole sealing device - Google Patents
Borehole sealing device Download PDFInfo
- Publication number
- CN204002688U CN204002688U CN201420501828.0U CN201420501828U CN204002688U CN 204002688 U CN204002688 U CN 204002688U CN 201420501828 U CN201420501828 U CN 201420501828U CN 204002688 U CN204002688 U CN 204002688U
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- plate
- interior location
- outside fix
- airtight
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Abstract
A kind of borehole sealing device, the anterior airtight interior location-plate that is connected with of water injection pipe, the space of interior location-plate front side is water filling district, the airtight outside fix plate that is connected with in water injection pipe rear portion, space between interior location-plate and outside fix plate is mud filling area, interior location-plate and outside fix plate are the spherical shape that is less than 1/2nd, interior location-plate middle part is to afterwale, outside fix plate middle part protuberance forward, outside fix plate place is airtight Grouting Pipe and the main exhaust of being connected with also, Grouting Pipe front end is near interior location-plate rear side, main exhaust front end is near outside fix plate front side, Grouting Pipe rear end and main exhaust rear end be the airtight seal valve that is communicated with respectively, seal valve is positioned at outside fix plate rear side.After interior location-plate, border is fixedly connected with multiple interior pins, and interior pin outside is provided with inner seal ring jointly, and inner seal ring arranges along interior location panel edges; Before outside fix plate, border is fixedly connected with multiple outer pins, and outer pin outside is provided with exterior seal ring jointly, and exterior seal ring arranges along outside fix panel edges.
Description
Technical field
The utility model relates to a kind of mining device, relates in particular to a kind of borehole sealing device.
Background technology
The general Coal Bed Water Infusion Hole Sealing Process in each colliery is: by being sealed in water injection pipe in boring by water injection hole and infiltrating coal body, sealing of hole refers to water injection pipe is enclosed in boring.Sealing of hole problem is a key issue of water filling, ensure press water not from aperture and near the leakage of rib, just must be under certain hole sealing depth, by tight-closed aperture, firm.Sealing of hole measure at present mainly adopts artificial cementing and two kinds of methods of hole packer, but investment and running cost are too high.
Utility model content
The utility model, for deficiency, provides a kind of investment and the low borehole sealing device of running cost.
The technical scheme that the utility model solves the problems of the technologies described above is as follows:
A kind of borehole sealing device, comprise water injection pipe, the airtight seal valve that is communicated with in water injection pipe rear end, it is characterized in that, the anterior airtight interior location-plate that is connected with of water injection pipe, the space of interior location-plate front side is water filling district, the airtight outside fix plate that is connected with in water injection pipe rear portion, space between interior location-plate and outside fix plate is mud filling area, interior location-plate and outside fix plate are the spherical shape that is less than 1/2nd, interior location-plate middle part is to afterwale, outside fix plate middle part protuberance forward, outside fix plate place is airtight Grouting Pipe and the main exhaust of being connected with also, Grouting Pipe front end is near interior location-plate rear side, main exhaust front end is near outside fix plate front side, Grouting Pipe rear end and main exhaust rear end be the airtight seal valve that is communicated with respectively, seal valve is positioned at outside fix plate rear side.
According to described borehole sealing device, it is characterized in that, border is fixedly connected with multiple interior pins after described interior location-plate, and all interior pins outside is provided with inner seal ring jointly, and inner seal ring arranges along interior location panel edges; Before described outside fix plate, border is fixedly connected with multiple outer pins, and all outer pins outside is provided with exterior seal ring jointly, and exterior seal ring arranges along outside fix panel edges.
According to described borehole sealing device, it is characterized in that, described main exhaust is airtight is communicated with time stack, the orthogonal setting of stack and main exhaust.
According to described borehole sealing device, it is characterized in that, be fixedly connected with guide plate before described interior location-plate, guide plate is for being less than 1/2nd spherical shape, and guide plate middle part protuberance forward, is densely covered with through hole on guide plate.
The utility model, for coal-bed flooding sealing of hole, by interior location-plate and outer limiting plate, can be filled to mud filling area by the cavity between interior location-plate and outer limiting plate by Grouting Pipe, and investment and running cost are low, and sealing of hole is effective.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In accompanying drawing:
1, guide plate; 2, interior location-plate; 3, inner seal ring; 4, interior pin; 5, water injection pipe; 6, Grouting Pipe; 7, main exhaust; 8, inferior stack; 9, outer pin; 10, exterior seal ring; 11, outside fix plate; 12, seal valve; 13, mud filling area; 14, water filling district.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of borehole sealing device, comprise water injection pipe 5, the airtight seal valve 12 that is communicated with in water injection pipe 5 rear ends, the anterior airtight interior location-plate 2 that is connected with of water injection pipe 5, the space of interior location-plate 2 front sides is water filling district 14, the airtight outside fix plate 11 that is connected with in water injection pipe 5 rear portions, space between interior location-plate 2 and outside fix plate 11 is mud filling area 13, interior location-plate 2 and outside fix plate 11 are the spherical shape that is less than 1/2nd, interior location-plate 2 middle parts are to afterwale, swell forward at outside fix plate 11 middle parts, outside fix plate 11 places are airtight Grouting Pipe 6 and the main exhaust 7 of being connected with also, Grouting Pipe 6 front ends are near interior location-plate 2 rear sides, main exhaust 7 front ends are near outside fix plate 11 front sides, Grouting Pipe 6 rear ends and main exhaust 7 rear ends are the airtight seal valve 12 that is communicated with respectively, seal valve 12 is positioned at outside fix plate 11 rear sides.
In the present embodiment, described interior location-plate 2 is fixedly connected with multiple interior pins 4 in border below, and all interior pins 4 outsides are provided with inner seal ring 3 jointly, and inner seal ring 3 is along interior location-plate 2 edge settings; Described outside fix plate 11 is fixedly connected with multiple outer pins 9 in border above, and all outer pins 9 outsides are provided with exterior seal ring 10 jointly, and exterior seal ring 10 is along the 11 edge settings of outside fix plate.The airtight time stack 8 that is communicated with of described main exhaust 7, inferior stack 8 and the orthogonal setting of main exhaust 7.Described interior location-plate 2 is fixedly connected with guide plate 1 above, and guide plate 1 is for to be less than 1/2nd spherical shape, and swell forward at guide plate 1 middle part, on guide plate 1, is densely covered with through hole.
The utility model is for coal-bed flooding sealing of hole, it is a kind of application of long-armed coal body water filling sealing of hole new technology, adopt 4 points of steel pipes (being formed by connecting by 52 meters of long short tubes) of 10 meters long as water injection pipe, in insertion water injection hole, the rear end welding valve of water injection pipe, apart from the rear end of water injection pipe forward 100 millimeters locate weldering and put outer limiting plate, to prevent mud outflow, apart from the front end of water injection pipe backward 500 millimeters locate weldering and put interior location-plate, be used for stoping stream in mud; Hole sealing depth is 8 meters (coal body radius of wetted bulb is 7.5 meters), with slush pump by Grouting Pipe cementing mortar, the cavity of 8 meters long between the outer limiting plate of packing and interior location-plate.
Use traditional hole packer sealing of hole need to use 8 hole packers simultaneously, water filling reaches expection coal body wettability needs 10 days, and use the utility model sealing of hole within 7 days, just can reach coal body wettability, take full advantage of water resource, and sealing of hole is tight, because hole sealing depth is 8 meters, exceed rock-bolt length, therefore can avoid outwards leaking from square, improved flood effectiveness, bring great convenience for water filling is operated in the aspect such as human and material resources, financial resources, improved operating efficiency.
Claims (4)
1. a borehole sealing device, comprise water injection pipe (5), the airtight seal valve (12) that is communicated with in water injection pipe (5) rear end, it is characterized in that, the anterior airtight interior location-plate (2) that is connected with of water injection pipe (5), the space of interior location-plate (2) front side is water filling district (14), the airtight outside fix plate (11) that is connected with in water injection pipe (5) rear portion, space between interior location-plate (2) and outside fix plate (11) is mud filling area (13), interior location-plate (2) and outside fix plate (11) are the spherical shape that is less than 1/2nd, interior location-plate (2) middle part is to afterwale, outside fix plate (11) middle part protuberance forward, outside fix plate (11) is located also airtight Grouting Pipe (6) and the main exhaust (7) of being connected with, Grouting Pipe (6) front end is near interior location-plate (2) rear side, main exhaust (7) front end is near outside fix plate (11) front side, Grouting Pipe (6) rear end and main exhaust (7) rear end be the airtight seal valve (12) that is communicated with respectively, seal valve (12) is positioned at outside fix plate (11) rear side.
2. borehole sealing device according to claim 1, it is characterized in that, described interior location-plate (2) below border is fixedly connected with multiple interior pins (4), and all interior pins (4) outside is provided with inner seal ring (3) jointly, and inner seal ring (3) is along interior location-plate (2) edge setting; Described outside fix plate (11) above border is fixedly connected with multiple outer pins (9), and all outer pins (9) outside is provided with exterior seal ring (10) jointly, and exterior seal ring (10) is along outside fix plate (11) edge setting.
3. borehole sealing device according to claim 2, is characterized in that, the airtight time stack (8) that is communicated with of described main exhaust (7), inferior stack (8) and the orthogonal setting of main exhaust (7).
4. borehole sealing device according to claim 3, it is characterized in that, described interior location-plate (2) is fixedly connected with guide plate (1) above, and guide plate (1) is for being less than 1/2nd spherical shape, guide plate (1) middle part protuberance forward, guide plate is densely covered with through hole on (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501828.0U CN204002688U (en) | 2014-09-02 | 2014-09-02 | Borehole sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501828.0U CN204002688U (en) | 2014-09-02 | 2014-09-02 | Borehole sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204002688U true CN204002688U (en) | 2014-12-10 |
Family
ID=52042708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420501828.0U Expired - Fee Related CN204002688U (en) | 2014-09-02 | 2014-09-02 | Borehole sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204002688U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763372A (en) * | 2015-02-12 | 2015-07-08 | 中国矿业大学 | Pretreatment method for improving compactness of coal seam water injection hole |
| CN106523846A (en) * | 2016-10-17 | 2017-03-22 | 武汉理工大学 | Deformable ball-shaped plugging device |
-
2014
- 2014-09-02 CN CN201420501828.0U patent/CN204002688U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763372A (en) * | 2015-02-12 | 2015-07-08 | 中国矿业大学 | Pretreatment method for improving compactness of coal seam water injection hole |
| CN106523846A (en) * | 2016-10-17 | 2017-03-22 | 武汉理工大学 | Deformable ball-shaped plugging device |
| CN106523846B (en) * | 2016-10-17 | 2018-09-11 | 武汉理工大学 | Deformable spherical plugging device |
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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: 20141210 Termination date: 20150902 |
|
| EXPY | Termination of patent right or utility model |