CN220378242U - Colliery drilling sealing device - Google Patents
Colliery drilling sealing device Download PDFInfo
- Publication number
- CN220378242U CN220378242U CN202322100709.6U CN202322100709U CN220378242U CN 220378242 U CN220378242 U CN 220378242U CN 202322100709 U CN202322100709 U CN 202322100709U CN 220378242 U CN220378242 U CN 220378242U
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- China
- Prior art keywords
- water
- blowout preventer
- gas
- buffer
- sleeve
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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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- 238000005553 drilling Methods 0.000 title claims abstract description 39
- 238000007789 sealing Methods 0.000 title abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 134
- 239000003245 coal Substances 0.000 claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims description 16
- 239000002893 slag Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000013049 sediment Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a coal mine drilling water stopping device, which comprises a gas blowout preventer, a sleeve and a buffer water tank, wherein one end of the gas blowout preventer is connected with the sleeve, the other end of the gas blowout preventer is sleeved on a drill rod, the other end of the sleeve is sleeved in a drainage drilling hole, and the sleeve and the gas blowout preventer are further provided with a pressure monitoring assembly; the gas outlet pipe of the gas blowout preventer is communicated to a gas drainage pipeline, and the water outlet pipe of the gas blowout preventer is communicated to a buffer water tank, wherein the buffer water tank is also communicated to a mine sump through a drainage pipeline. The utility model relates to a colliery drilling sealing device can be when colliery goaf sluicing drilling construction, discharges gas and goaf ponding simultaneously to through manometer real-time supervision goaf aqueous vapor pressure, thereby avoided the gas accident, ensured the safety of drilling constructor and equipment, install the buffer tank simultaneously and can convey ponding in the mine sump, realize the transportation of ponding.
Description
Technical Field
The utility model relates to the technical field of coal mine drilling devices, in particular to a coal mine drilling water stop device.
Background
After the coal face is closed, the goaf is affected by roof fracture water, more water is accumulated in the goaf, equipment such as a drilling machine is required to be arranged in a roadway of the adjacent face, and a plurality of groups of drilling holes are constructed for water drainage. Because more coal is left in the goaf, the coal face can not be timely subjected to gas drainage work after being closed based on fire prevention, and therefore the concentration and the pressure of gas in the goaf are high.
In the prior art, a gate valve is generally arranged at the orifice of the drain drilling hole and is used for controlling the drainage volume of the drain drilling hole. However, in the process of construction drainage drilling, accumulated water and gas in a goaf are discharged from a drainage hole, accidents of gas overrun in a drilling construction site are easy to cause, safety threat is formed to drilling constructors and equipment, and the coal mine drilling water stop device is provided for solving the problems based on the safety threat.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: how to solve the problem of gas overrun caused by ponding drainage in the current construction drainage drilling process.
In order to solve the technical problems, the utility model provides the following technical scheme:
the water stopping device for the coal mine drilling hole comprises a gas blowout preventer, a sleeve and a buffer water tank, wherein one end of the gas blowout preventer is connected with the sleeve, the other end of the gas blowout preventer is sleeved on a drill rod, the other end of the sleeve is sleeved in a drainage drilling hole, and the sleeve and the gas blowout preventer are further provided with a pressure monitoring assembly;
the gas outlet pipe of the gas blowout preventer is communicated to a gas drainage pipeline, and the water outlet pipe of the gas blowout preventer is communicated to a buffer water tank, wherein the buffer water tank is also communicated to a mine sump through a drainage pipeline.
The utility model relates to a colliery drilling sealing device can be when colliery goaf sluicing drilling construction, discharges gas and goaf ponding simultaneously to through manometer real-time supervision goaf aqueous vapor pressure, thereby avoided the gas accident, ensured the safety of drilling constructor and equipment, install the buffer tank simultaneously and can convey ponding in the mine sump, realize the transportation of ponding.
As a further scheme of the utility model: the pressure monitoring assembly comprises a short connecting pipe and a pressure gauge, wherein the short connecting pipe is detachably arranged between the sleeve and the gas blowout preventer, and the pressure gauge is arranged on the short connecting pipe.
As a further scheme of the utility model: the short connecting pipe is a phi 108mm pipe body with the length of 0.5 m.
As a further scheme of the utility model: the sleeve is a phi 108mm pipe body with the length of 6 m.
As a further scheme of the utility model: the top of the buffer water tank is provided with a water inlet pipe head, one end of the bottom of the buffer water tank is provided with a water discharging and slag discharging pipe head, and the other end of the bottom of the buffer water tank is provided with a water outlet pipe head; wherein the water inlet pipe head is communicated with the water outlet pipe, and the water outlet pipe head is communicated with the water discharge pipeline.
As a further scheme of the utility model: and a water inlet gate valve is arranged between the water inlet pipe head and the water outlet pipe.
As a further scheme of the utility model: and the water inlet gate valve adopts a DN159 gate valve.
As a further scheme of the utility model: the inner cavity side wall of the buffer water tank is fixedly provided with a filter plate which is obliquely arranged, the inner cavity of the buffer water tank is divided into two cavities by the filter plate, and a water discharge slag discharge pipe head is arranged at the upper end of the filter plate.
As a further scheme of the utility model: and the water discharging and slag discharging pipe head is provided with a water discharging gate valve.
As a further scheme of the utility model: the drainage pipeline further comprises a hose and a drainage pipe, one end of the hose is mounted to the buffer water tank, and the other end of the hose is communicated to the mine sump through the drainage pipe.
Compared with the prior art, the utility model has the beneficial effects that:
firstly, the coal mine drilling water stop device can discharge gas and accumulated water in the goaf simultaneously during the construction of water discharge and drilling of the goaf of the coal mine, and the pressure gauge is used for monitoring the pressure of the water vapor in the goaf in real time, so that gas accidents are avoided, the safety of drilling constructors and equipment is guaranteed, and meanwhile, the accumulated water can be conveyed into a mine water bin by installing the buffer water tank, so that the transportation of accumulated water is realized;
secondly, this application is through the internally mounted sloping portion filter at buffer tank, and wherein buffer tank one end installation is discharged sediment tube head, and the other end installation goes out the water tube head, and it is located the filter to discharge sediment tube head to drain, can be with the residue discharge of filtering out through the filter, and the ponding after filtering is discharged from the water tube head, realizes the filtration treatment of ponding, has realized the valve stagnant water, has prevented abrupt and the function of rivers pressure measurement this application.
Drawings
FIG. 1 is a schematic diagram of a coal mine drilling water stop device according to an embodiment of the utility model;
reference numerals illustrate: 1. a drill rod; 2. a gas blowout preventer; 201. an air outlet pipe; 202. a water outlet pipe; 3. a sleeve; 4. a junction pipe; 5. a pressure gauge; 6. a buffer water tank; 601. a water inlet pipe head; 602. a water outlet pipe head; 603. a filter plate; 604. a water discharging and slag discharging pipe head; 7. a water inlet gate valve; 8. a water discharge gate valve; 9. a hose; 10. and (5) a water drain pipe.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, a coal mine drilling water stop device comprises a gas blowout preventer 2, a sleeve 3, a short connecting pipe 4, a pressure gauge 5, a buffer water tank 6, a water inlet gate valve 7, a water discharge gate valve 8, a hose 9 and a drain pipe 10; the gas blowout preventer 2 is a pipe body structure thicker than the sleeve 3.
Referring to fig. 1, the top of the gas blowout preventer 2 is connected with an air outlet pipe 201 connected with a gas pumping pipeline, the bottom of the gas blowout preventer 2 is connected with an air outlet pipe 202, one end of the gas blowout preventer 2 is connected with a sleeve 3, the other end of the gas blowout preventer 2 is rotatably sleeved on a drill rod 1, wherein the drill rod 1 is installed on a drilling machine, and it should be noted that the air outlet pipe 201 and the air outlet pipe 202 are both rubber pipes.
Further, an air outlet pipe 201 of the gas blowout preventer 2 is connected to the gas pumping pipeline, and an air outlet pipe 202 of the gas blowout preventer 2 is connected to the buffer water tank 6.
Referring to fig. 1, the other end of the sleeve 3 is sleeved in the drainage borehole, wherein the sleeve 3 is a phi 108mm pipe body with the length of 6 m.
Referring to fig. 1, both ends of the junction pipe 4 are respectively and correspondingly connected with the sleeve 3 and the gas blowout preventer 2, and the junction pipe 4 is a phi 108mm pipe body with the length of 0.5 m; the pressure gauge 5 is installed on the pipe wall of the junction pipe 4, and the pressure gauge 5 measures the pressure of the water-gas mixture flowing through the junction pipe 4 in real time.
Referring to fig. 1, a water inlet pipe head 601 is arranged at the top of a buffer water tank 6, a water discharging and slag discharging pipe head 604 is arranged at one end of the bottom of the buffer water tank 6, and a water outlet pipe head 602 is arranged at the other end of the bottom of the buffer water tank 6; wherein the water inlet pipe head 601 is communicated with the water outlet pipe 202; the water outlet pipe head 602 is communicated with a water discharge pipeline, and it should be noted that a water inlet gate valve 7 is installed between the water inlet pipe head 601 and the water outlet pipe 202, the water inlet gate valve 7 adopts a DN159 gate valve, and a water discharge gate valve 8 is installed on the water discharge slag discharging pipe head 604.
Further, the filter 603 that the slope set up is fixed with to buffer tank 6 inner chamber lateral wall, and two cavitys are separated into with buffer tank 6 inner chamber to filter 603, and the upper end of filter 603 is located to the sediment tube head 604 of putting down water, and it should be noted that the rivers in the drainage drilling get into buffer tank 6 back and filter through filter plate 603, debris slide to the waterproof sediment tube head 604 direction along filter 603 top surface, open water gate valve 8 afterwards, be convenient for carry out the sediment, and the ponding of filtering is finally derived from play water tube head 602.
Referring to fig. 1, one end of a J-shaped steel wire hose 9 is mounted to a water outlet pipe head 602 on a buffer water tank 6, and the other end of the J-shaped steel wire hose 9 is communicated to a mine sump through a water outlet pipe 10, so that water of the buffer water tank 6 is discharged into the mine sump through the water outlet pipe head 602, the J-shaped steel wire hose 9 and the water outlet pipe 10; the top end of the J-shaped steel wire hose 9 is higher than the drainage drilling hole opening, so that gas is further prevented from being discharged from a drainage pipeline, and the J-shaped steel wire hose 9 is transparent, so that the water level in the buffer water tank 6 can be observed conveniently.
The specific operating principle of the application is as follows: when the drilling machine drives the drill rod 1 to construct the water drainage drilling to finish 10m hole depth, replacing a drill bit with phi 133mm for the drill rod 1, and then starting reaming from a drilling hole opening, wherein the reaming length is 7-9 m;
then the sleeve 3 is put into a reaming section, the sleeve 3 is fixed, then all the other parts are connected in sequence, the water yield at the water discharge drilling position can be controlled through the water inlet gate valve 7, and the pressure gauge 5 measures the pressure of the water-gas mixture flowing through the short connecting pipe 4 in real time; after the water-gas mixture enters the gas blowout preventer 2, water-gas separation can be realized, and gas is discharged to a gas drainage pipeline through an air outlet pipe 201; the water flows into the buffer water tank 6 through the water outlet pipe 202, the water inlet gate valve 7 and the water inlet pipe head 601; the water of the buffer water tank 6 is discharged into a mine water sump through a water outlet pipe head 602, a J-shaped steel wire hose 9 and a drain pipe 10; the top end of the J-shaped steel wire hose 9 is higher than the drainage drilling hole opening, so that gas is further prevented from being discharged from a drainage pipeline, and the J-shaped steel wire hose 9 is transparent, so that the water level in the buffer water tank 6 can be observed conveniently.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. The coal mine drilling water stopping device is characterized by comprising a gas blowout preventer (2), a sleeve (3) and a buffer water tank (6), wherein one end of the gas blowout preventer (2) is connected with the sleeve (3), the other end of the gas blowout preventer is sleeved on a drill rod (1), the other end of the sleeve (3) is sleeved in a drainage drilling hole, and the sleeve (3) and the gas blowout preventer (2) are further provided with a pressure monitoring assembly;
the gas outlet pipe (201) of the gas blowout preventer (2) is communicated with a gas drainage pipeline, the water outlet pipe (202) of the gas blowout preventer (2) is communicated with the buffer water tank (6), and the buffer water tank (6) is also communicated with a mine water bin through the drainage pipeline;
the top of the buffer water tank (6) is provided with a water inlet pipe head (601), one end of the bottom of the buffer water tank (6) is provided with a water discharging and slag discharging pipe head (604), and the other end of the bottom of the buffer water tank (6) is provided with a water outlet pipe head (602);
wherein the water inlet pipe head (601) is communicated with the water outlet pipe (202), and the water outlet pipe head (602) is communicated with a water drainage pipeline; the filter plate (603) which is obliquely arranged is fixed on the side wall of the inner cavity of the buffer water tank (6), the inner cavity of the buffer water tank (6) is divided into two cavities by the filter plate (603), and the water draining and slag discharging pipe head (604) is arranged at the upper end of the filter plate (603).
2. A coal mine borehole water stop device as claimed in claim 1, wherein: the pressure monitoring assembly comprises a short connecting pipe (4) and a pressure gauge (5), wherein the short connecting pipe (4) is detachably arranged between the sleeve (3) and the gas blowout preventer (2), and the pressure gauge (5) is arranged on the short connecting pipe (4).
3. A coal mine borehole water stop device as claimed in claim 2, wherein: the connecting short pipe (4) is a phi 108mm pipe body with the length of 0.5 m.
4. A coal mine borehole water stop device as claimed in claim 1, wherein: the sleeve (3) is a phi 108mm pipe body with the length of 6 m.
5. A coal mine borehole water stop device as claimed in claim 1, wherein: a water inlet gate valve (7) is arranged between the water inlet pipe head (601) and the water outlet pipe (202).
6. The coal mine drilling water stop device according to claim 5, wherein: and the water inlet gate valve (7) adopts a DN159 gate valve.
7. A coal mine borehole water stop device as claimed in claim 1, wherein: a water-discharging gate valve (8) is arranged on the water-discharging slag discharging pipe head (604).
8. A coal mine borehole water stop device as claimed in claim 1, wherein: the drainage pipeline further comprises a hose (9) and a drainage pipe (10), one end of the hose (9) is mounted on the buffer water tank (6), and the other end of the hose (9) is communicated to the mine sump through the drainage pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322100709.6U CN220378242U (en) | 2023-08-03 | 2023-08-03 | Colliery drilling sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322100709.6U CN220378242U (en) | 2023-08-03 | 2023-08-03 | Colliery drilling sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378242U true CN220378242U (en) | 2024-01-23 |
Family
ID=89564661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322100709.6U Active CN220378242U (en) | 2023-08-03 | 2023-08-03 | Colliery drilling sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378242U (en) |
-
2023
- 2023-08-03 CN CN202322100709.6U patent/CN220378242U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |