CN218669272U - Downhole drilling orifice prevention device - Google Patents
Downhole drilling orifice prevention device Download PDFInfo
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- CN218669272U CN218669272U CN202223370144.5U CN202223370144U CN218669272U CN 218669272 U CN218669272 U CN 218669272U CN 202223370144 U CN202223370144 U CN 202223370144U CN 218669272 U CN218669272 U CN 218669272U
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- separator
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- slag separator
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Abstract
The utility model belongs to the technical field of underground drilling, in particular to an underground drilling orifice-preventing device, which comprises a first gas-slag separator; an automatic slag extractor is arranged in the first gas-slag separator; the top of the first gas-slag separator is fixedly connected with a gas-slag collecting pipe, and the other end of the gas-slag collecting pipe is fixedly connected with a second gas-slag separator; a hole packer is arranged at the end part of the second gas-slag separator; gas is pumped to the interior inch of first gas drainage pipe through second gas sediment separator with high concentration gas and is discharged, reduces gathering of gas in the device, and remaining cinder, liquid and another part of gas get into the cinder collecting pipe and arrange to first gas sediment separator, carry out the secondary and collect, and gas is pumped out through second gas drainage pipe and gets into the drain tank, discharges through the collecting pipe at last, and remaining brill sediment is through the rotatory discharge of automatic landing leg, prevents the problem of orifice.
Description
Technical Field
The utility model relates to a drilling technical field in the pit specifically is a hole spraying device is prevented in drilling in the pit.
Background
The method is used for detecting whether mine water old kiln water, fissure water and karst water exist in front or not and pressure, is used for pumping gas in a coal bed, is used for detecting geological structure and coal thickness, and is used for performing underground grouting by using a drill hole.
In the colliery drilling work progress, if gas content is great, pressure is higher in the coal seam of construction, probably causes the orifice, if do not take more reliable measure, can cause the gas transfinite in the tunnel.
In the prior art, most of blowout-preventing hole devices are blocked by blowout-preventing pipes with consistent pipe diameters and simple baffles, so that water and gas coal slag in a drill hole are prevented from being ejected, and then are led out by using a simple water gas separation device, but when gas and coal quantity of spray holes are large, the blowout-preventing holes are blocked, a gas discharge channel is not smooth, and the problem of spray holes of a roadway is caused; therefore, the downhole drilling orifice prevention device is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
In order to compensate the not enough of prior art, solve the problem among the above-mentioned background art, the utility model provides a hole device is prevented spouting in downhole drilling.
The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to an underground drilling orifice-preventing device, which comprises a first gas-slag separator; an automatic slag extractor is arranged in the first gas-slag separator; the top of the first gas-slag separator is fixedly connected with a gas-slag collecting pipe, and the other end of the gas-slag collecting pipe is fixedly connected with a second gas-slag separator; a hole packer is arranged at the end part of the second gas-slag separator; the other end of the hole packer is provided with a rotating rod sleeve; the end part of the second gas-slag separator is fixedly connected with a gas discharge pipe; the two ends of the gas discharge pipe are provided with first gas drainage pipes; and a second gas drainage pipe is arranged at the top of the first gas-slag separator.
Preferably, a first water injection port is arranged at the end part of the first gas-slag separator; and a second water injection port is arranged at the end part of the second gas-slag separator.
Preferably, the bottom of the first gas-slag separator is fixedly connected with a plurality of supporting legs.
Preferably, the bottom parts of the supporting legs and the supporting plates are fixedly connected; the supporting legs are fixedly connected with supporting rods.
Preferably, a filter screen is fixedly connected to the joint of the second gas-residue separator and the gas discharge pipe and is positioned at the port of the gas discharge pipe.
Preferably, the inner side wall of the gas discharge pipe is fixedly connected with a guide plate; the bottom of the guide plate is rotatably connected with a guide rod; the end part of the guide rod is fixedly connected with a propeller; the bottom of the guide rod is fixedly connected with a rotating plate; the bottom of the rotating plate is fixedly connected with a plurality of cleaning brushes.
The utility model discloses an useful part lies in:
1. the utility model has the advantages that the drilled drilling slag and coal dust are sprayed and dusted in the second gas-slag separator, so that the dust falling effect is achieved; the drilling slag enters the first gas-slag separator, and the automatic slag discharging device at the bottom of the box body automatically discharges the drilling slag to realize the effect of automatic slag discharging; gas sediment discharges to the second gas sediment separator through the drilling among the drilling process, and gas is taken out the gas of high concentration to the inside cun of first gas drainage pipe through second gas sediment separator and is discharged, reduces gaseous gathering in the device, and remaining cinder, liquid and another part gas get into the gas sediment collecting pipe and discharge to first gas sediment separator, carry out the secondary and collect, and gas is taken out through second gas drainage pipe and is got into the drain tank, discharges through the collecting pipe at last, and remaining drilling sediment is through the rotatory discharge of automatic landing leg, prevents the problem of orifice.
2. The utility model discloses a with the tip of water piping connection at first water filling port and second water filling port, changeing the hole in-process, go into the water spraying through the second water filling port, realize the effect of dust fall, it is great to avoid the dust, the work efficiency of hole device is changeed in the influence, pour into the inside of first gas slag separator into water through the second water filling port, water, back in the sediment gets into first gas slag separator, bore the sediment through automatic sediment ware automatic discharge, water plays sealed effect in the inside of first gas slag separator.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly introduced, obviously, the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of a first embodiment;
FIG. 2 is a sectional view of the first embodiment;
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is an enlarged view of FIG. 2 at B;
fig. 5 is a schematic structural view of the wear pad of the second embodiment.
In the figure: 1. a first gas-slag separator; 21. a support leg; 22. an automatic slag extractor; 23. a gas-slag collecting pipe; 24. a second gas-slag separator; 25. a hole packer; 26. a gas discharge pipe; 27. a first gas drainage pipe; 29. a rotating rod sleeve; 3. a second gas drainage pipe; 31. a first water injection port; 32. a second water injection port; 41. a support plate; 42. a support bar; 5. a filter screen; 61. a guide plate; 62. a guide bar; 63. a propeller; 64. rotating the plate; 65. a cleaning brush; 7. a wear pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
Referring to fig. 1-4, a downhole drilling anti-orifice device includes a first gas-slag separator 1; an automatic slag extractor 22 is arranged in the first gas-slag separator 1; the top of the first gas-slag separator 1 is fixedly connected with a gas-slag collecting pipe 23, and the other end of the gas-slag collecting pipe 23 is fixedly connected with a second gas-slag separator 24; a hole packer 25 is arranged at the end part of the second gas-slag separator 24; the other end of the hole packer 25 is provided with a rotating rod sleeve 29; a gas discharge pipe 26 is fixedly connected to the end part of the second gas-slag separator 24; the two ends of the gas discharge pipe 26 are provided with a first gas drainage pipe 27; the top of the first gas-slag separator 1 is provided with a second gas drainage pipe 3; when the device works, most of the blowout-preventing hole devices are blocked by blowout-preventing pipes with the same pipe diameter and simple baffles, so that water and gas coal slag in the drill holes are prevented from being sprayed out, and then are guided out by using the simple water gas separation device, but when the gas and coal quantity of the spraying holes are large, the blowout-preventing holes are blocked, the gas discharging channel is not smooth, the gas in the roadway is over-limited, and the spraying holes are formed; in the construction process, the rotating rod sleeve 29 is inserted into the hole for hole rotating, water, coal slag and gas can be kept in a closed state constantly after the hole is sprayed in the construction drilled hole, and meanwhile, the gas in the drilled hole and in the gas slag separator is directly extracted by the first gas drainage pipe 27 and the second gas drainage pipe 3, so that the phenomenon of gas overrun caused by gas spraying is prevented; the drilled drilling slag and coal dust are sprayed and dusted in the second gas-slag separator 24, so that the dust falling effect is achieved; the drilling slag enters the first gas-slag separator 1, and the automatic slag discharger 22 at the bottom of the box body automatically discharges the drilling slag, so that the automatic slag discharging effect is realized; in the drilling process, gas slag is discharged into the second gas slag separator 24 through drilling, gas is pumped into the first gas drainage pipe 27 through the second gas slag separator 24 to be discharged in inches, accumulation of the gas in the device is reduced, the remaining coal slag, liquid and the other part of gas enter the gas slag collecting pipe 23 to be discharged into the first gas slag separator 1, secondary collection is carried out, the gas is pumped out through the second gas drainage pipe 3 to enter a water drainage tank and finally discharged through a collecting pipe, and the remaining drilling slag is discharged through the rotation of the automatic support leg 21, so that the problem of spray holes is solved.
A first water injection port 31 is arranged at the end part of the first gas-slag separator 1; a second water injection port 32 is arranged at the end part of the second gas-slag separator 24; during operation, through the tip with water piping connection at first water filling port 31 and second water filling port 32, at changeing the hole in-process, go into the water spraying through second water filling port 32, realize the effect of dust fall, it is great to avoid the dust, the work efficiency of hole device is changeed in the influence, pour into the inside of first gas slag separator 1 with water through second water filling port 32, water, the sediment gets into behind the first gas slag separator 1, bore the sediment and play sealed effect through the automatic sediment ware 22 of arranging, water plays sealed effect in the inside of first gas slag separator 1.
The bottom of the first gas-slag separator 1 is fixedly connected with a plurality of supporting legs 21 and 211; during operation, the supporting legs 21 and 211 are arranged, so that the whole first gas-slag separator 1 is in an inclined state, and the automatic slag discharger 22 is convenient to rapidly discharge the drilling slag in the first gas-slag separator 1.
The bottom parts of the supporting legs 21 and 211 are fixedly connected with a supporting plate 41; a support rod 42 is fixedly connected between the support legs 21 and 211; during operation, the supporting plate 41 and the supporting rod 42 are installed to improve the stabilizing effect between the supporting legs 21 and 211, and the phenomenon that the automatic slag extractor 22 shakes greatly during long-time operation is avoided.
A filter screen 5 is fixedly connected to the joint of the second gas-residue separator 24 and the gas discharge pipe 26 and is positioned at the port of the gas discharge pipe 26; during operation, through installing filter screen 5 in the junction of second gas sediment separator 24 and gas discharge pipe 26, filter, avoid the inside drilling sediment gas mixture of second gas sediment separator 24 to flow out through first gas drainage pipe 27 to the outside, the problem of breaking down.
A guide plate 61 is fixedly connected to the inner side wall of the gas discharge pipe 26; the bottom of the guide plate 61 is rotatably connected with a guide rod 62; a propeller 63 is fixedly connected to the end part of the guide rod 62; the bottom of the guide rod 62 is fixedly connected with a rotating plate 64; the bottom of the rotating plate 64 is fixedly connected with a plurality of cleaning brushes 65; the during operation drives screw 63 and rotates when gas is flowing for screw 63 drives guide arm 62 and rotates, drives commentaries on classics board 64 when rotating as guide arm 62, makes commentaries on classics board 64 degree cleaning brush 65 rotate, plays clear effect to the tip of filter screen 5, avoids under the long-time filtration of filter screen 5, appears the problem of jam, influences the exhaust effect of first gas drainage pipe 27.
Example two
Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, wear pads 7 are fixedly connected to two ends of the rotating plate 64; in operation, wear pads 7 are arranged at two ends of the rotating plate 64, so that wear resistance and protection effects at two ends of the second gas-slag separator 24 are improved, and the problem of abrasion caused by knocking on the inner side wall of the gas discharge pipe 26 in the rotating process is avoided.
The working principle is as follows: most of the blowout preventing hole devices are blocked by blowout preventing pipes with the same pipe diameter and simple baffles, so that water and gas coal slag in the drill holes are prevented from being sprayed out, and then are guided out by using the simple water gas separation device, but when the gas and coal amount of the spraying holes are large, the blowout preventing holes are blocked, a gas discharging channel is not smooth, the gas in a roadway is over-limited, and the spraying holes are formed; in the construction process, the rotating rod sleeve 29 is inserted into the hole for hole rotating, water, coal slag and gas can be kept in a closed state constantly after the hole is sprayed in the construction drilled hole, and meanwhile, the gas in the drilled hole and in the gas slag separator is directly extracted by the first gas drainage pipe 27 and the second gas drainage pipe 3, so that the phenomenon of gas overrun caused by gas spraying is prevented; the drilled drilling slag and coal dust are sprayed and dusted in the second gas-slag separator 24, so that the dust falling effect is achieved; the drilling slag enters the first gas-slag separator 1, and the automatic slag discharger 22 at the bottom of the box body automatically discharges the drilling slag, so that the automatic slag discharging effect is realized; gas slag is discharged into a second gas slag separator 24 through a drill hole in the drilling process, gas is discharged into a first gas drainage pipe 27 through the second gas slag separator 24 in a mode of pumping high-concentration gas, accumulation of the gas in the device is reduced, the remaining coal slag, liquid and the other part of gas enter a gas slag collecting pipe 23 and are discharged into a first gas slag separator 1 for secondary collection, the gas is pumped into a water discharging tank through a second gas drainage pipe 3 and is discharged through a collecting pipe, and the remaining drilling slag is discharged through an automatic support leg 21 in a rotating mode, so that the problem of spray holes is solved; the water pipe is connected to the end parts of the first water injection port 31 and the second water injection port 32, water is injected into the second water injection port 32 for spraying in the hole rotating process, the dust falling effect is achieved, the phenomenon that dust is large is avoided, the working efficiency of a hole rotating device is affected, water is injected into the first gas-slag separator 1 through the second water injection port 32, after the water and slag enter the first gas-slag separator 1, drilling slag is automatically discharged through the automatic slag extractor 22, and the water plays a sealing role in the first gas-slag separator 1; the supporting legs 21 and 211 are arranged, so that the whole first gas-slag separator 1 is in an inclined state, and the automatic slag discharger 22 is convenient for rapidly discharging the drilling slag in the first gas-slag separator 1; the supporting plate 41 and the supporting rod 42 are arranged, so that the stabilizing effect between the supporting legs 21 and 211 is improved, and the automatic slag extractor 22 is prevented from shaking greatly in the long-time working process; the filter screen 5 is arranged at the joint of the second gas-slag separator 24 and the gas discharge pipe 26 for filtering, so that the problem that the drilling slag mixed gas in the second gas-slag separator 24 flows out through the first gas drainage pipe 27 to the outside and fails is solved; when gas is flowing, drive screw 63 and rotate for screw 63 drives guide arm 62 and rotates, and drive commentaries on classics board 64 when rotating when guide arm 62 rotates and rotate, makes commentaries on classics board 64 bulk cleaning brush 65 rotate, plays clear effect to the tip of filter screen 5, avoids filter screen 5 long-time filtration down, appears the problem of jam, influences the exhaust effect of first gas drainage pipe 27.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. A downhole drilling orifice-preventing device comprises a first gas-slag separator (1); an automatic slag extractor (22) is arranged in the first gas-slag separator (1); the top of the first gas-slag separator (1) is fixedly connected with a gas-slag collecting pipe (23), and the other end of the gas-slag collecting pipe (23) is fixedly connected with a second gas-slag separator (24); a hole packer (25) is arranged at the end part of the second gas-slag separator (24); the method is characterized in that: the other end of the hole packer (25) is provided with a rotating rod sleeve (29); a gas discharge pipe (26) is fixedly connected to the end part of the second gas-slag separator (24); a first gas drainage pipe (27) is arranged at two ends of the gas discharge pipe (26); the top of the first gas-slag separator (1) is provided with a second gas drainage pipe (3).
2. A downhole drilling anti-blowout hole apparatus according to claim 1, wherein: a first water injection port (31) is arranged at the end part of the first gas-slag separator (1); and a second water injection port (32) is arranged at the end part of the second gas-slag separator (24).
3. A downhole drilling anti-jet hole device according to claim 2, wherein: the bottom of the first gas-slag separator (1) is fixedly connected with a plurality of supporting legs (21) and (211).
4. A downhole drilling anti-jet hole device according to claim 3, wherein: the bottoms of the supporting legs (21) and (211) are fixedly connected with a supporting plate (41); a support rod (42) is fixedly connected between the support legs (21) and (211).
5. The downhole drilling anti-jet hole device of claim 4, wherein: and a filter screen (5) is fixedly connected at the joint of the second gas-residue separator (24) and the gas discharge pipe (26) and is positioned at the port of the gas discharge pipe (26).
6. The downhole drilling anti-jet hole device of claim 5, wherein: a guide plate (61) is fixedly connected to the inner side wall of the gas discharge pipe (26); the bottom of the guide plate (61) is rotatably connected with a guide rod (62); the end part of the guide rod (62) is fixedly connected with a propeller (63); the bottom of the guide rod (62) is fixedly connected with a rotating plate (64); the bottom of the rotating plate (64) is fixedly connected with a plurality of cleaning brushes (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223370144.5U CN218669272U (en) | 2022-12-15 | 2022-12-15 | Downhole drilling orifice prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223370144.5U CN218669272U (en) | 2022-12-15 | 2022-12-15 | Downhole drilling orifice prevention device |
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| Publication Number | Publication Date |
|---|---|
| CN218669272U true CN218669272U (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223370144.5U Active CN218669272U (en) | 2022-12-15 | 2022-12-15 | Downhole drilling orifice prevention device |
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| CN (1) | CN218669272U (en) |
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2022
- 2022-12-15 CN CN202223370144.5U patent/CN218669272U/en active Active
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