CN211422587U - Hole sealing device for directly exposing hydrological drilling hole underground - Google Patents
Hole sealing device for directly exposing hydrological drilling hole underground Download PDFInfo
- Publication number
- CN211422587U CN211422587U CN201921445139.1U CN201921445139U CN211422587U CN 211422587 U CN211422587 U CN 211422587U CN 201921445139 U CN201921445139 U CN 201921445139U CN 211422587 U CN211422587 U CN 211422587U
- Authority
- CN
- China
- Prior art keywords
- pressure
- sealing device
- sleeve
- directly
- hole
- 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.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model provides a hole sealing device who directly exposes hydrology drilling in pit, include: the high-pressure straight-through stop valve comprises a plurality of steel clamping plates, a sleeve, two high-pressure straight-through stop valves and a pressure gauge, wherein the sleeve is welded on the plurality of steel clamping plates, the high-pressure straight-through stop valve is additionally arranged on the sleeve, and the pressure gauge is additionally arranged on a pipeline where the high-pressure straight-through stop valve is located. The thickness of the clamping plate is determined according to the size of a casing of the plugging drill hole and the water pressure, the high-pressure straight-through stop valves are respectively a pressure release valve and a grouting valve and are respectively used for pressure release, grouting and reinforcing materials, the pressure resistance value of the high-pressure straight-through stop valve is selected according to the water pressure, the hole sealing device is directly fixed on the hydrological drill hole when plugging is conducted underground, a rubber is arranged between the steel clamping plate and the casing, the hole sealing device is installed on a drilling machine and is fixed on the drilling machine, the casing is directly drilled through for plugging, the threat of the hydrological drill hole with high pressure bearing capacity to the safety production of a coal mine is relieved, the water inflow of the mine is reduced, the ineffective drainage cost of the mine is reduced.
Description
Technical Field
The utility model relates to a colliery water damage prevention and cure technical field, concretely relates to hole sealing device that has the large-traffic hydrology drilling of complete sleeve pipe high pressure-bearing is directly revealed in pit.
Background
A large number of hydrological drill holes are constructed in a coal mine during exploration and production, some hydrological drill holes are not plugged in time due to historical reasons or production reasons, and the hydrological drill holes are plugged or reserved with waterproof coal pillars before production so as to avoid direct exposure of water hazard accidents. Because most of mines are mined for years at present, the mining depth is large, particularly some mines with complex hydrogeological conditions, the water-rich property of aquifers is strong, the drilled holes are high in water pressure and large in water quantity, the ground does not have plugging conditions and can only be plugged underground, and how to directly expose and plug the drilled holes with complete casings and high pressure-bearing and large flow is a difficult task. The method has the advantages that the treatment is not good, the production safety of the coal mine is greatly affected, and even serious water damage accidents of flooding a working face, flooding level and flooding a mine are caused, so that the method is a class of water damage accidents which are frequently generated in the coal mine. At present, no report related to the underground direct disclosure of a surface hydrological drilling plugging device with a complete casing pipe high pressure-bearing large flow is found. Therefore, the research on the simple, convenient and feasible underground plugging device which is suitable for directly disclosing the complete casing pipe with high pressure bearing and large flow rate is a technical problem of water damage prevention and control which needs to be solved in the coal mine production at present.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the prior art, the utility model provides a high-pressure-bearing and high-flow hydrological drilling direct plugging device which can be operated and can be directly exposed underground and is provided with a complete sleeve,
an object of the utility model is to provide a hole sealing device of hydrology drilling is directly revealed in pit, include: the pressure gauge comprises a plurality of steel clamping plates, a sleeve, two high-pressure straight-through cut-offs and a pressure gauge, wherein the sleeve is welded on the plurality of steel clamping plates, the high-pressure straight-through cut-offs are attached to the sleeve, and the pressure gauge is attached to a pipeline where the high-pressure straight-through cut-offs are located.
Preferably, the sleeve and the steel clamping plate are fixed through a nut.
Preferably, the steel splint comprises three pieces.
Preferably, the steel sandwich plate has a thickness of 25mm and a width of 300 mm.
Preferably, the sleeve has a length of 0.5m and a diameter of 50 mm.
Preferably, the high-pressure straight-through valve comprises a pressure relief valve and a grouting valve, wherein the pressure relief valve is used for pressure relief, and the grouting valve is used for grouting and reinforcing materials.
Preferably, the hole sealing device for directly exposing the hydrological drill hole underground is directly fixed on the hydrological drill hole during underground plugging, a rubber is arranged between the steel clamping plate and the casing pipe, the hole sealing device for directly exposing the hydrological drill hole underground is installed on a drilling machine and fixed on the drilling machine, and the casing pipe is directly drilled through for plugging.
The hole sealing device has the working mode that: after a high-pressure-bearing and large-flow hydrological drilling hole with a complete casing pipe is directly exposed underground, the plugging device is directly installed outside the drilling casing pipe, then a drilling machine is used for drilling the drilling casing pipe through the device, then a grouting pump is connected, soft and hard aggregates and cement slurry are injected by using a filling cylinder and the grouting pump, the soft and hard aggregates and the cement slurry are filled in the drilling hole under the action of a reasonable pump pressure, and the purpose of processing the high-pressure-bearing and large-flow hydrological drilling hole is achieved. The processing procedure is as follows:
firstly, understanding a hydrological drilling structure, the construction age, the water inflow of a drill hole, the horizon and the water pressure, investigating the consolidation and integrity of a drill hole sleeve on site, the rock stratum condition around the drill hole and the like;
secondly, under the condition that the casing 2 is complete, the position and the position of the exposed drill hole are determined;
thirdly, according to the site survey and the drilling condition exposure, the plugging scheme is formulated to comprise: reinforcing a broken section of a drilling bottom plate, and determining and manufacturing a hole sealing device according to the diameter of a drilling sleeve;
fourthly, designing the type, size and quantity of the plugging aggregate, cement and additives according to the water yield, water pressure and crushing condition of the bottom plate;
fifthly, calculating the pressure when the aggregate is injected, the grouting pressure when the aggregate is blocked and the cement amount according to the water pressure of the drilled hole;
sixthly, transporting various materials and drilling equipment to the site;
seventhly, fixing the hole sealing device on the original sleeve, installing a gate valve for connection and fixation, and drilling a prop point column at the position of a drill hole;
and eighthly, drilling the original casing through a hole sealing device by using a drilling machine, connecting a grouting pump, and injecting aggregate and cement into the drill casing through the hole sealing device so as to seal the drill casing until the designed ending pressure and injection amount are reached.
The utility model has the advantages that the ground hydrological drilling holes or the bad drilling holes which are constructed in the underground exploration period and the production period of the coal mine can be quickly and effectively blocked, the ground blocking has no blocking condition, a drilling plugging device is designed for hydrological drilling with complete casing and high pressure bearing and large flow rate which is to be or is met and needs to be plugged in the downhole production, the device is convenient, safe, practical and efficient, and can rapidly and efficiently treat water damage accidents caused by underground direct exposure of high-bearing-capacity hydrological drilling with a complete sleeve in a short time by adopting the provided device, remove the threat of high-bearing-capacity hydrological drilling on coal mine safety production, reduce the water inflow of a mine, reduce the ineffective drainage cost of the mine, improve the disaster resistance level of the mine, increase the economic benefits of the mine and protect water resources, and have very remarkable environmental benefits.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. The objects and features of the present invention will become more apparent in view of the following description taken in conjunction with the accompanying drawings, in which:
fig. 1 is a hole sealing device according to the utility model discloses the side view structure chart.
Fig. 2 is a cross-sectional structure view of a hole sealing device according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a clamping plate structure of a hole sealing device according to an embodiment of the present invention.
Fig. 4 is a side view of a clamping plate structure of a hole sealing device according to an embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, which are not intended to limit the scope of the invention.
Referring to fig. 1-4, a sealing device for directly exposing a hydrographic borehole downhole comprises: the high-pressure direct-connection type pressure meter comprises a plurality of steel clamping plates 1, a sleeve 2, two high-pressure direct-connection check valves 3 and a pressure meter 4, wherein the sleeve 2 is welded on the plurality of steel clamping plates 1, the sleeve 2 and the steel clamping plates 1 are fixed through nuts, the high-pressure direct-connection check valves 3 are additionally arranged on the sleeve 2, and the pressure meter 4 is additionally arranged on a pipeline where the high-pressure direct-connection check valves 3 are located. In the embodiment, the steel clamping plate 1 is three steel clamping plates with the thickness of 25mm and the width of 300mm, and the thickness of the steel clamping plate 1 is determined according to the size of the plugging drilling casing and the water pressure. In this embodiment, the cannula 2 has a length of 0.5m and a diameter of 50 mm. The high-pressure straight-through stop valve 3 is respectively provided with a pressure release valve 3-1 and a grouting valve 3-2, the pressure release valve 3-1 is used for pressure release, and the grouting valve 3-2 is used for grouting and reinforcing materials. The pressure resistance of the high-pressure feed-through gate 3 is selected according to the water pressure.
The hole sealing device is directly fixed on a hydrological drilling hole during underground plugging, a rubber sheet is arranged between the steel clamping plate 1 and the casing pipe 2, the hole sealing device is installed on a drilling machine and fixed on the drilling machine, and the hole sealing device can be directly drilled through the casing pipe 2 for plugging as well as the hydrological drilling hole in underground construction.
The hole sealing device has the working mode that: after a high-pressure-bearing and large-flow hydrological drilling hole with a complete casing pipe is directly exposed underground, the plugging device is directly installed outside the drilling casing pipe, then a drilling machine is used for drilling the drilling casing pipe through the device, then a grouting pump is connected, soft and hard aggregates and cement slurry are injected by using a filling cylinder and the grouting pump, the soft and hard aggregates and the cement slurry are filled in the drilling hole under the action of a reasonable pump pressure, and the purpose of processing the high-pressure-bearing and large-flow hydrological drilling hole is achieved. The processing procedure is as follows:
firstly, understanding a hydrological drilling structure, the construction age, the water inflow of a drill hole, the horizon and the water pressure, investigating the consolidation and integrity of a drill hole sleeve on site, the rock stratum condition around the drill hole and the like;
secondly, under the condition that the casing 2 is complete, the position and the position of the exposed drill hole are determined;
thirdly, according to the site survey and the drilling condition exposure, the plugging scheme is formulated to comprise: reinforcing a broken section of a drilling bottom plate, and determining and manufacturing a hole sealing device according to the diameter of a drilling sleeve;
fourthly, designing the type, size and quantity of the plugging aggregate, cement and additives according to the water yield, water pressure and crushing condition of the bottom plate;
fifthly, calculating the pressure when the aggregate is injected, the grouting pressure when the aggregate is blocked and the cement amount according to the water pressure of the drilled hole;
sixthly, transporting various materials and drilling equipment to the site;
seventhly, fixing the hole sealing device on the original sleeve, installing a gate valve for connection and fixation, and drilling a prop point column at the position of a drill hole;
and eighthly, drilling the original casing through a hole sealing device by using a drilling machine, connecting a grouting pump, and injecting aggregate and cement into the drill casing through the hole sealing device so as to seal the drill casing until the designed ending pressure and injection amount are reached.
The drilling plugging device is designed for quickly and effectively plugging the ground hydrological drilling holes or poor sealed drilling holes constructed in the underground exploration period and the production period of a coal mine, the ground plugging does not have plugging conditions, the drilling plugging device is about to meet or meets in the underground production, and the hydrological drilling holes with complete sleeves and high bearing capacity and large flow rate which need to be plugged are required.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, a person skilled in the art can change the embodiments and the application ranges according to the embodiments of the present invention, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (7)
1. The utility model provides a hole sealing device that directly exposes hydrology drilling in pit which characterized in that includes: the high-pressure direct connection type pressure gauge is characterized by comprising a plurality of steel clamping plates (1), a sleeve (2), two high-pressure direct connection type check valves (3) and a pressure gauge (4), wherein the sleeve (2) is welded on the plurality of steel clamping plates (1), the high-pressure direct connection type check valves (3) are additionally arranged on the sleeve (2), and the pressure gauge (4) is additionally arranged on a pipeline where the high-pressure direct connection type check valves (3) are located.
2. The apparatus of claim 1, wherein the sealing means is a sealing device for directly exposing a hydrographic borehole from a downhole location: the sleeve (2) and the steel clamping plate (1) are fixed through a nut (5).
3. The apparatus of claim 1, wherein the sealing means is a sealing device for directly exposing a hydrographic borehole from a downhole location: the number of the steel clamping plates (1) is three.
4. The apparatus of claim 3, wherein the sealing means is adapted to seal the hydrographic borehole directly in the well: the thickness of the steel splint (1) is 25mm, and the width is 300 mm.
5. The apparatus of claim 1, wherein the sealing means is a sealing device for directly exposing a hydrographic borehole from a downhole location: the length of the sleeve (2) is 0.5m, and the diameter of the sleeve is 50 mm.
6. The apparatus of claim 1, wherein the sealing means is a sealing device for directly exposing a hydrographic borehole from a downhole location: the high-pressure straight-through stop valve (3) comprises a pressure release valve (3-1) and a grouting valve (3-2), wherein the pressure release valve (3-1) is used for releasing pressure, and the grouting valve (3-2) is used for grouting and reinforcing materials.
7. The apparatus of claim 1, wherein the sealing means is a sealing device for directly exposing a hydrographic borehole from a downhole location: the hole sealing device for directly exposing the hydrological drill hole underground is directly fixed on the hydrological drill hole during underground plugging, a rubber is arranged between the steel clamping plate (1) and the sleeve (2), the hole sealing device for directly exposing the hydrological drill hole underground is installed on a drilling machine and fixed on the drilling machine, and the sleeve (2) is directly drilled through for plugging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921445139.1U CN211422587U (en) | 2019-09-02 | 2019-09-02 | Hole sealing device for directly exposing hydrological drilling hole underground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921445139.1U CN211422587U (en) | 2019-09-02 | 2019-09-02 | Hole sealing device for directly exposing hydrological drilling hole underground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211422587U true CN211422587U (en) | 2020-09-04 |
Family
ID=72245678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921445139.1U Active CN211422587U (en) | 2019-09-02 | 2019-09-02 | Hole sealing device for directly exposing hydrological drilling hole underground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211422587U (en) |
-
2019
- 2019-09-02 CN CN201921445139.1U patent/CN211422587U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wu et al. | Characteristics of groundwater seepage with cut-off wall in gravel aquifer. II: Numerical analysis | |
| CN111042831A (en) | Grouting reinforcement transformation method for coal seam floor limestone confined aquifer | |
| US9879401B2 (en) | Oil and gas well and field integrity protection system | |
| CN112392431A (en) | Technology for preventing and treating water damage of coal seam roof by dynamic pressure-maintaining grouting and plugging of horizontal long drill hole in mining fracture zone | |
| CN103821544A (en) | Tunnel and underground engineering high-pressure high-flow-rate sudden surging water control method | |
| CN104895098A (en) | Piping blocking structure outside deep foundation pit underground diaphragm wall and grouting treatment method thereof | |
| CN103867229A (en) | Coal mine large-mining-depth and next-group coal exploitation water control comprehensive treatment method | |
| CN105239984A (en) | Method for controlling coal mine underground fracturing crack propagation | |
| Guo et al. | Mechanism and treatment technology of three water inrush events in the Jiaoxi River Tunnel in Shaanxi, China | |
| CN204457590U (en) | A kind of hole-sealing grouting device | |
| Liang et al. | Field research: measuring water pressure resistance in a fault-induced fracture zone | |
| Sobko | Determination of cut-off wall cost efficiency at Motronivskyi pit mining. | |
| Milanović | Hydraulic properties of karst groundwater and its impacts on large structures | |
| Lindblom | The performance of a water curtain during 10 years of operation | |
| CN211422587U (en) | Hole sealing device for directly exposing hydrological drilling hole underground | |
| CN110847850B (en) | Underground high-pressure-bearing large-flow out-of-control hydrological drilling plugging system and method | |
| Xu et al. | Test on water-level stabilization and prevention of mine-shaft failure by means of groundwater injection | |
| CN104863185A (en) | Blocking and seepage-proofing technology of leaky well | |
| CN104141294A (en) | Judgment method for soil body seepage failure caused by foundation pit supporting water stopping body defect | |
| CN101250989A (en) | Surface drilling down-hole sealing technique without unpackaging condition | |
| Mironenko et al. | Hydrogeomechanical problems in mining | |
| KR101270557B1 (en) | Double valve system for installing borehole seismometer and borehole grouting installation method using thereof | |
| CN205591874U (en) | Plugging device was managed admittedly in sleeve pipe slip casting in class pressure relief vent was strained to gushing water drilling pore wall | |
| CN115234193B (en) | Plugging method of movable water-fixing pipe plugging device for water burst of drilling hole | |
| CN104213936B (en) | A kind of method utilizing the auxiliary shutoff water bursting in mine of anchor cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |