CN214944404U - Semi-open type blowout prevention hole assembly and gas control collection and discharge device - Google Patents
Semi-open type blowout prevention hole assembly and gas control collection and discharge device Download PDFInfo
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- CN214944404U CN214944404U CN202120080173.4U CN202120080173U CN214944404U CN 214944404 U CN214944404 U CN 214944404U CN 202120080173 U CN202120080173 U CN 202120080173U CN 214944404 U CN214944404 U CN 214944404U
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Abstract
The utility model belongs to a gas control collecting and discharging device, in particular to a semi-open type blowout prevention hole component and a gas control collecting and discharging device, wherein the semi-open type blowout prevention hole component comprises a collector, the collector is provided with an inner cavity, and the collector is provided with a collecting port, a gas drainage pipe, a flame-retardant rubber sleeve and a slag discharging port which are all communicated with the inner cavity; the collecting port is used for allowing coal slag and gas to enter the inner cavity; the gas drainage pipe is used for draining gas in the inner cavity out of the inner cavity; the flame-retardant rubber sleeve is used for enabling the drill rod to enter the inner cavity; the slag discharging port is used for discharging the coal slag in the inner cavity out of the inner cavity. The utility model provides a punch combination spare is prevented spouting by semi-open, gas pass through gas drainage pipe discharge inner chamber, and the cinder also is through arranging the whole discharges of cinder notch, can not cause the collector to block up, can not lead to the gas transfinite, also can not be because the more collector that blocks up of exhaust sediment, when having solved among the prior art in the great coal seam of gas pressure construction drilling, every spouts the hole and all will wash the problem of gas collector.
Description
Technical Field
The utility model belongs to a discharging equipment is collected in gas control, especially a discharging equipment is collected in semi-open blowout prevention punch combination spare and gas control.
Background
At present, mine gas becomes an important factor for restricting the safety production of coal mines, and most of the coal mines needing gas control in China adopt a drainage mode to control the gas. Because the gas content of partial coal seam is high, and gas pressure is big, lead to appearing the orifice phenomenon in the construction gas drainage drilling process, the effective amount of wind of drilling site can't dilute the gas of spouting to the safe concentration when the orifice is serious, lead to the gas to transfinite to report to the police, cause the potential safety hazard.
The existing spray hole prevention technology is mainly a totally enclosed gas collector, has obvious effect, but has large volume, heavy weight and can not be contracted, so that the installation and the removal are difficult, and the spray hole prevention technology can only be used in a specific environment. In addition, the slag discharging effect is poor in the drilling construction process, and a long drill hole or a spray hole is easy to block, so that the gas collector is cleaned every time the hole is sprayed when the drill hole is constructed in a coal seam with high gas pressure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the problem that in the prior art, when drilling is carried out in a coal seam with high gas pressure, a gas collector is required to be cleaned every time a hole is sprayed, a semi-open type blowout prevention hole component and a gas control collection and discharge device are provided.
In order to realize the purpose, the utility model discloses a technical scheme be:
a semi-open blowout prevention hole assembly comprises a collector, wherein the collector is provided with an inner cavity, and a collecting port, a gas drainage pipe, a flame-retardant rubber sleeve and a slag discharge port which are communicated with the inner cavity are arranged on the collector;
the collecting port is used for allowing coal slag and gas to enter the inner cavity;
the gas drainage pipe is used for discharging gas in the inner cavity out of the inner cavity;
the flame-retardant rubber sleeve is used for enabling the drill rod to enter the inner cavity;
the slag discharging port is used for discharging the coal slag in the inner cavity out of the inner cavity.
When the semi-open blowout prevention hole assembly is installed, a collector is installed at a hole opening of a drilling hole, a collecting port is communicated with the hole opening of the drilling hole, and a gas drainage pipe is connected to the collector and used for discharging gas in the inner cavity out of the inner cavity; arranging a flame-retardant rubber sleeve on the collector so that the drill rod can pass through the flame-retardant rubber sleeve; the collector is provided with a slag discharge port for discharging slag.
When the gas drainage drilling construction is carried out, the collector is arranged at the orifice, and the drill bit and the drill rod penetrate through the flame-retardant rubber sleeve to carry out construction drilling.
When a hole spraying phenomenon is encountered in the drilling construction process, the sprayed coal slag and gas completely enter the inner cavity of the collector through the collecting port, the gas is discharged out of the inner cavity through the gas drainage pipe after entering the collector, the coal slag entering the inner cavity is also completely discharged through the slag discharging port, and the blockage of the collector cannot be caused. Drilling construction just has the continuity like this, and can not lead to the gas transfinite, also can not be because of the more trap that blocks up of exhaust sediment, has solved among the prior art when the construction drilling in the great coal seam of gas pressure, and the hole all will wash the problem of gas trap once spouting.
Preferably, the inner chamber is the elbow form, collect the mouth and be located the one end of inner chamber, the row's cinder notch is located the other end of inner chamber, gas drainage pipe and fire-retardant gum cover all are located collect the mouth with arrange between the cinder notch.
Preferably, the slag discharge port is positioned at the bottom of the inner cavity.
Preferably, the flame-retardant rubber sleeve is arranged towards the collection port.
Preferably, the number of the gas drainage pipes is at least three.
Preferably, at least one gas drainage pipe is arranged between the flame-retardant rubber sleeve and the collecting opening.
Preferably, at least one gas drainage pipe is arranged between the flame-retardant rubber sleeve and the slag discharge port.
The application also discloses discharging equipment is collected in gas control, include drilling rod, drainage system and like this application a half-open blowout prevention hole subassembly, gas drainage pipe with drainage system is linked together, drainage system is located the outside of inner chamber, the drilling rod is followed fire-retardant gum cover stretches into the inner chamber, and follow collect the mouth and stretch out the inner chamber.
During installation, a collector processed by an air duct is installed at a hole opening of a drilled hole, a collecting port is communicated with the hole opening of the drilled hole, and three gas drainage pipes are connected to the collector to realize connection with a drainage system and discharge gas sprayed out of an inner cavity; installing a flame-retardant rubber sleeve at the upper end of the collector so that the drill rod can penetrate through the flame-retardant rubber sleeve; the lower end of the collector is provided with a slag discharge port for discharging slag.
When the gas drainage drilling is constructed, the collector is installed at an orifice, the drill bit and the drill rod penetrate through the construction drilling hole from the flame-retardant rubber sleeve, and the gas drainage pipe is connected with a drainage system.
When the hole spraying phenomenon occurs in the drilling construction process, the sprayed coal slag and gas completely enter the collector through the collecting port, the gas is sucked into the drainage system through the three gas drainage pipes after entering the collector, and the gas overflowed from the collecting port and the slag discharging port is diluted and discharged by the air volume of the roadway. The coal slag entering the collector is also completely discharged through the slag discharge port, so that the blockage of the collector cannot be caused. Drilling construction just has the continuity like this, and can not lead to the gas transfinite, also can not be because of the more trap that blocks up of exhaust sediment, has solved among the prior art when the construction drilling in the great coal seam of gas pressure, and the hole all will wash the problem of gas trap once spouting.
Preferably, the flame-retardant rubber sleeve and the collecting opening are coaxially arranged.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. this application semi-open type prevent spouting punch combination spare, meet orifice phenomenon in the drilling work progress, spun cinder and gas are through the inner chamber that the collection mouth all got into the collector, gas gets into and passes through gas drainage pipe discharge inner chamber behind the collector, the cinder that gets into the inner chamber also through arranging the cinder notch and all discharging, can not cause the collector to block up. Drilling construction just has the continuity like this, and can not lead to the gas transfinite, also can not be because of the more trap that blocks up of exhaust sediment, has solved among the prior art when the construction drilling in the great coal seam of gas pressure, and the hole all will wash the problem of gas trap once spouting.
2. This application a gas control collects discharging equipment, meet orifice phenomenon in the drilling work progress, spun cinder and gas are through collecting mouthful whole entering collector, gas gets into and inhales drainage system through three gas drainage pipes behind the collector, is diluted the discharge by the tunnel amount of wind by collecting mouthful, the gas that row's cinder notch spills. The coal slag entering the collector is also completely discharged through the slag discharge port, so that the blockage of the collector cannot be caused. Drilling construction just has the continuity like this, and can not lead to the gas transfinite, also can not be because of the more trap that blocks up of exhaust sediment, has solved among the prior art when the construction drilling in the great coal seam of gas pressure, and the hole all will wash the problem of gas trap once spouting.
Drawings
Fig. 1 is a schematic structural front view of a semi-open blowout prevention hole assembly according to the present invention.
Fig. 2 is a schematic left view of a semi-open blowout prevention hole assembly according to the present invention.
Fig. 3 is a schematic structural front sectional view of a semi-open blowout prevention hole assembly according to the present invention.
Fig. 4 is a schematic structural diagram of a gas control collecting and discharging device of the present invention.
Icon: 1-a collector; 2-a collection port; 3-gas drainage pipe; 4-flame-retardant rubber sleeve; 5-a slag discharge port; 6-inner cavity; 7-a drainage system; 8-drill rod.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1-4, the gas control collecting and discharging device according to the embodiment includes a drill rod 8, a drainage system 7 and a semi-open type blowout prevention hole assembly, wherein the semi-open type blowout prevention hole assembly includes a collector 1 having an inner cavity 6, the collector 1 is provided with a collecting port 2, a gas drainage pipe 3, a fire-retardant rubber sleeve 4 and a slag discharge port 5, which are all communicated with the inner cavity 6, the gas drainage pipe 3 is communicated with the drainage system 7, the drainage system 7 is located at the outer side of the inner cavity 6, and the drill rod 8 extends into the inner cavity 6 from the fire-retardant rubber sleeve 4 and extends out of the inner cavity 6 from the collecting port 2.
In particular, the amount of the solvent to be used,
the inner chamber 6 is the elbow form, collect mouthful 2 and be located the one end of inner chamber 6, row's cinder notch 5 is located the other end of inner chamber 6, gas drainage pipe 3 and fire-retardant gum cover 4 all are located collect mouthful 2 with arrange between the cinder notch 5.
The slag discharge port 5 is positioned at the bottom of the inner cavity 6.
The flame-retardant rubber sleeve 4 is arranged towards the collecting opening 2.
The number of the gas drainage pipes 3 is at least three, preferably three, wherein at least one gas drainage pipe 3 is arranged between the flame-retardant rubber sleeve 4 and the collecting port 2, and at least one gas drainage pipe 3 is arranged between the flame-retardant rubber sleeve 4 and the slag discharging port 5.
Preferably, the scheme is as follows: the flame-retardant rubber sleeve 4 and the collecting opening 2 are coaxially arranged. During installation, a collector 1 processed by an air duct is installed at a drill hole opening, a collecting opening 2 is communicated with the drill hole opening, three gas drainage pipes 3 are connected to the collector 1 to realize connection with a drainage system 7, and the gas sprayed out of an inner cavity 6 is discharged; a flame-retardant rubber sleeve 4 is arranged at the upper end of the collector 1 so that a drill rod 8 can pass through the flame-retardant rubber sleeve; the lower end of the collector 1 is provided with a slag discharge port 5 for discharging slag.
When the gas drainage drilling construction is carried out, the collector 1 is installed on an orifice, the drill bit and the drill rod 8 penetrate through the construction drill hole from the flame-retardant rubber sleeve, the center of the collector 1 is over against the center of the drill hole of the drill rod 8, and the gas drainage pipe 3 is connected with the drainage system 7.
When the hole spraying phenomenon is met in the drilling construction process, the sprayed coal slag and gas completely enter the collector 1 through the collecting port 2, the gas is sucked into the drainage system 7 through the three gas drainage pipes 3 after entering the collector 1, and the gas overflowed from the collecting port 2 and the slag discharge port 5 is diluted and discharged by the air volume of the roadway. The coal slag entering the collector 1 is also completely discharged through the slag discharge port 5, so that the blockage of the collector 1 cannot be caused. Drilling construction just has the continuity like this, and can not lead to the gas transfinite, also can not be because of the more trap 1 that blocks up of discharged sediment, solved among the prior art when the construction drilling in the great coal seam of gas pressure, every spout the hole and all will wash the problem of gas trap.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A semi-open blowout prevention hole component comprises a collector (1), wherein the collector (1) is provided with an inner cavity (6), and is characterized in that the collector (1) is provided with a collecting port (2), a gas drainage pipe (3), a flame-retardant rubber sleeve (4) and a slag discharge port (5) which are communicated with the inner cavity (6);
the collecting port (2) is used for allowing coal slag and gas to enter the inner cavity (6);
the gas drainage pipe (3) is used for draining gas in the inner cavity (6) out of the inner cavity (6);
the flame-retardant rubber sleeve (4) is used for enabling a drill rod (8) to enter the inner cavity (6);
the slag discharging port (5) is used for discharging the coal slag in the inner cavity (6) out of the inner cavity (6).
2. A semi-open blowout preventer assembly according to claim 1, wherein the inner chamber (6) is elbow-shaped, the collection port (2) is located at one end of the inner chamber (6), the slag discharge port (5) is located at the other end of the inner chamber (6), and the gas drainage pipe (3) and the flame retardant gum cover (4) are both located between the collection port (2) and the slag discharge port (5).
3. A semi-open blowout preventer assembly according to claim 1, wherein the slag discharge port (5) is located at the bottom of the inner chamber (6).
4. A semi-open blowout preventer assembly according to claim 3, wherein the fire-retardant gum cover (4) is arranged towards the collecting port (2).
5. A semi-open blowout preventer assembly according to claim 3, wherein the number of gas withdrawal pipes (3) is at least three.
6. A semi-open blowout preventer assembly according to claim 5, wherein at least one gas withdrawal string (3) is arranged between the gum cover (4) and the collecting port (2).
7. A semi-open blowout preventer assembly according to claim 5, wherein at least one gas withdrawal pipe (3) is arranged between the gum cover (4) and the slag discharge (5).
8. A gas control collecting and discharging device comprising a drill pipe (8) and a drainage system (7), characterized by further comprising a semi-open blowout preventer assembly according to any one of claims 1 to 7, wherein the gas drainage pipe (3) is in communication with the drainage system (7), the drainage system (7) is located outside the inner cavity (6), and the drill pipe (8) extends from the flame retardant rubber sleeve (4) into the inner cavity (6) and from the collecting port (2) out of the inner cavity (6).
9. A gas control collecting and discharging device according to claim 8, characterised in that said flame retardant rubber sleeve (4) and said collecting opening (2) are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120080173.4U CN214944404U (en) | 2021-01-12 | 2021-01-12 | Semi-open type blowout prevention hole assembly and gas control collection and discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120080173.4U CN214944404U (en) | 2021-01-12 | 2021-01-12 | Semi-open type blowout prevention hole assembly and gas control collection and discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214944404U true CN214944404U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120080173.4U Active CN214944404U (en) | 2021-01-12 | 2021-01-12 | Semi-open type blowout prevention hole assembly and gas control collection and discharge device |
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| Country | Link |
|---|---|
| CN (1) | CN214944404U (en) |
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2021
- 2021-01-12 CN CN202120080173.4U patent/CN214944404U/en active Active
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