CN211777282U - Blowout prevention dust falling device - Google Patents
Blowout prevention dust falling device Download PDFInfo
- Publication number
- CN211777282U CN211777282U CN202020040328.7U CN202020040328U CN211777282U CN 211777282 U CN211777282 U CN 211777282U CN 202020040328 U CN202020040328 U CN 202020040328U CN 211777282 U CN211777282 U CN 211777282U
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- dust
- shell
- water supply
- discharging pipe
- slag discharging
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- 239000000428 dust Substances 0.000 title claims abstract description 87
- 230000002265 prevention Effects 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000002893 slag Substances 0.000 claims abstract description 30
- 238000007599 discharging Methods 0.000 claims abstract description 22
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 239000007779 soft material Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 claims description 2
- 230000001629 suppression Effects 0.000 claims 2
- 238000005553 drilling Methods 0.000 abstract description 19
- 239000003245 coal Substances 0.000 abstract description 8
- 239000011435 rock Substances 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 5
- 239000013049 sediment Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model relates to a blowout prevention and dust fall device, which comprises a dust hood; one end of the dust hood is connected with a shell, and a flange is arranged at one end of the shell, which is far away from the dust hood; the periphery of the shell is provided with a negative pressure interface; one side of the shell is connected with a slag discharging pipe; the periphery of the shell and the periphery of the slag discharging pipe are provided with water supply interfaces; the appearance of the dust collection cover is in a horn shape; the inner wall profile of the dust collection cover is of a curve structure; the water supply interface is communicated with the cavity of the inner wall of the shell; the shell is provided with a water supply interface and the slag discharging pipe is provided with an atomizing nozzle. Its advantages are: simple structure, simple to operate for drilling return air carries a large amount of drill cuttings to collect dirt when arranging the sediment to the air feed, covers the drill way under the user state, prevents effectively that downthehole water or coal (rock) from spouting from the drill way, prevents spouting dust fall effectually.
Description
Technical Field
The utility model belongs to the technical field of the rig technique and specifically relates to a prevent spouting dust device.
Background
Most coal mines in China are gas mines, gas extraction is a fundamental method for preventing and controlling gas, and borehole extraction is a main mode for coal seam gas drainage in China. At present, in order to smoothly discharge slag during drilling construction, air supply slag discharge and water supply slag discharge are commonly used.
When water and slag are supplied and discharged, a large amount of water or coal (rock) in the hole is sprayed out from the hole opening under the action of gas, ground pressure and water supply, so that the personal safety of drilling construction personnel is seriously threatened; during air supply and slag discharge, a large amount of drill cuttings are carried by the return air of the drill hole, so that high-concentration dust in the working environment flies, the life health of workers is seriously threatened, and even the danger of dust explosion is brought; the gas emission quantity at the orifice is large, and the gas overrun accident is easy to cause.
Chinese patent document CN201320086222.0, application date 20130226, with patent names: a fire prevention, blowout prevention and dust fall device comprises a blowout prevention main body pipe, wherein a rooting point is arranged on the edge of the upper portion of the blowout prevention main body pipe, a telescopic inner pipe is arranged in one side of the blowout prevention main body pipe, and the telescopic inner pipe slides along the blowout prevention main body pipe by being connected with a telescopic pull rod; a PU plate sealing cushion layer is fixedly arranged on the other side of the blowout prevention main body pipe, and the PU plate sealing cushion layer is fixed with the blowout prevention main body pipe through a flange plate; a slag hole is formed in the bottom of the blowout prevention main body pipe and is connected with an atomizing nozzle in a welding mode, and a water supply connector is arranged in the middle of the slag hole; the upper part of the blowout prevention main body pipe is also provided with a negative pressure pumping and discharging interface.
The fire prevention, blowout prevention and dust fall device disclosed by the patent document is complex to install, and the device is susceptible to the influence of the deflection action of a drill rod in the drilling process, so that the device fails.
In summary, there is a need for a device which is convenient to install, has good effects of preventing blowout and reducing noise, and prevents the influence of deflection of a drill rod, and no report on the device is found at present.
Disclosure of Invention
The utility model aims at providing a simple to operate prevents spouting noise reduction effect is good, prevents the device of drilling rod beat influence.
Another object of the utility model is to provide a prevent spouting dust fall rig.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a blowout prevention and dust fall device comprises a dust hood; one end of the dust hood is connected with a shell, and a flange is arranged at one end of the shell, which is far away from the dust hood; the periphery of the shell is provided with a negative pressure interface; one side of the shell is connected with a slag discharging pipe; the periphery of the shell and the periphery of the slag discharging pipe are provided with water supply interfaces; the appearance of the dust collection cover is in a horn shape; the inner wall profile of the dust collection cover is of a curve structure; the water supply interface is communicated with the cavity of the inner wall of the shell; the shell is provided with a water supply interface and the slag discharging pipe is provided with an atomizing nozzle.
As a preferred technical scheme, the number of the atomizing nozzles is consistent with that of the water supply interfaces.
As a preferred technical scheme, the negative pressure interface is at least two, and the center lines of the two groups between the negative pressure interfaces are distributed in a splayed shape.
As a preferable technical scheme, the number of the water supply interfaces distributed on the shell is two, and the central lines of the two water supply interfaces are distributed coaxially.
As a preferred technical scheme, at least two water supply interfaces are distributed on the slag discharging pipe, and the central lines of the two water supply interfaces are distributed in a splayed shape.
As a preferable technical scheme, the dust hood is made of soft materials with flame retardance, static resistance, wear resistance and high strength.
As a preferable technical scheme, the dust collection cover is made of plastic, rubber or nylon materials.
As a preferable technical scheme, the shell is connected with the dust collection cover through a flange.
In order to achieve the second objective, the utility model adopts the following technical scheme:
a blowout prevention and dust fall drilling machine comprises a guide rail, a slewing device, a clamp holder and a guide seat; the guide rail is provided with a rotating device and a clamper; the guide seat is not connected with the holder, the guide seat and the holder are both arranged on the guide rail, and one end of the guide seat is connected with the dust fall preventing and preventing device in any one of the above embodiments.
As a preferred technical scheme, a compensation oil cylinder is further arranged on the blowout prevention and dust fall drilling machine; the compensation oil cylinder is arranged below the guide rail.
The utility model has the advantages that:
1. the utility model discloses a prevent spouting dust device and rig, simple structure, simple to operate, dust cage are used for drilling when arranging the sediment to the air feed and return the wind and carry a large amount of drill cuttings and collect dirt, cover the drill way under the user state, prevent effectively that downthehole water or coal (rock) from spouting, prevent spouting dust fall effectual from the drill way.
2. A negative pressure interface is arranged on the periphery of the shell; the negative pressure interface is used for being connected with a mine gas drainage system, and sucking away gas overflowing from the inside of the drill hole to prevent the gas from exceeding the limit.
3. The periphery of the shell and the periphery of the slag discharging pipe are provided with water supply interfaces. The water supply interface is used for connecting a mine water supply system, so that dust can be effectively removed.
4. The appearance of dust cover is the horn shape, and the design of trumpet shape for a wider cover also can not lose efficacy in the effect that receives the drilling rod in the drill way.
Drawings
Fig. 1 is the utility model discloses a prevent spouting dust device's schematic structure diagram.
Fig. 2 is the axial section schematic diagram of the anti-spray dust-settling device of the utility model.
Fig. 3 is a radial cross-sectional schematic view of the blowout prevention drawdown shield of the present invention.
Fig. 4 is the utility model discloses a prevent spouting dust fall rig's schematic structure.
Fig. 5 is a schematic view of the main direction of the blowout prevention and dust fall drilling machine of the utility model.
Detailed Description
The invention will be further described with reference to the following examples and with reference to the accompanying drawings.
The reference numerals and components referred to in the drawings are as follows:
1. dust cage 2. shell
3. Flange 4. negative pressure interface
5. Slag pipe 6. water supply interface
7. Atomizing nozzle 8. guide rail
9. Slewing device 10 clamp
11. Guide seat 12 compensating oil cylinder
13. Blowout prevention dust falling device
Example 1
Referring to fig. 1, fig. 1 is a schematic structural diagram of a dust fall preventing and spraying device 13 according to the present invention. The anti-blowout dust-settling device 13 comprises a dust hood 1; one end of the dust collection cover 1 is connected with a shell 2, and one end of the shell 2, which is far away from the dust collection cover 1, is provided with a flange 3; a negative pressure interface 4 is arranged on the periphery of the shell 2; one side of the shell 2 is connected with a slag outlet pipe 5; the periphery of the shell 2 and the periphery of the slag discharging pipe 5 are provided with water supply interfaces 6.
Referring to fig. 2, fig. 2 is an axial sectional schematic view of a dust fall preventing and preventing device 13 according to the present invention. The dust collection cover 1 is in a horn shape; the inner wall profile of the dust collection cover is of a curve structure; the water supply interface 6 is communicated with the cavity of the inner wall of the shell 2; and the water supply interface 6 on the shell 2 and the water supply interface 6 on the slag discharging pipe 5 are both provided with atomizing nozzles 7.
Referring to fig. 3, fig. 3 is a radial cross-sectional view of the blowout prevention descending hood of the present invention. The number of the negative pressure interfaces 4 is at least two, and the central line between the two negative pressure interfaces 4 is distributed in a splayed shape; at least two water supply interfaces 6 are distributed on the shell 2, and the central lines of the two water supply interfaces 6 are distributed in a coaxial manner; the central lines of the two water supply interfaces 6 on the slag discharging pipe 5 are distributed in a splayed shape.
The embodiment needs to be explained as follows:
the dust hood 1 is used for collecting dust by carrying a large amount of drill cuttings with drilling return air during air supply and deslagging, and can effectively prevent water or coal (rock) in a hole from being sprayed from the hole opening in a use state, and has good anti-spraying and dust-settling effects. The dust hood 1 is made of flame-retardant, antistatic, wear-resistant and high-strength soft materials, plastics, rubber, nylon and the like (the weight of the device is reduced).
One end of the dust collection cover 1 is connected with a shell 2, wherein the shell 2 and the dust collection cover 1 can also be connected by a flange 3. The shell 2 is provided with a flange 3 at one end far away from the dust collection cover 1. The flange 3 can be connected by other methods, such as welding or screwing.
A negative pressure interface 4 is arranged on the periphery of the shell 2; the negative pressure connector 4 is used for being connected with a mine gas drainage system, sucking away gas overflowing from a drill hole, and preventing the gas from exceeding the limit.
One side of the shell 2 is connected with a slag discharging pipe 5, and the slag discharging pipe 5 is communicated with the dust hood 1, so that the dust hood is convenient to clean in time and is prevented from being blocked.
The periphery of the shell 2 and the periphery of the slag discharging pipe 5 are provided with water supply interfaces 6. The water supply interface 6 is used for connecting a mine water supply system, so that dust can be effectively removed.
The dust hood 1 is in a horn shape and is designed in a horn shape, so that the dust hood covers an orifice in a wider range and cannot lose effectiveness even under the action of a drill rod.
The inner wall profile of the dust collection cover is of a curve structure; the design of the curve structure increases the contact area of the inner wall of the dust collection cover 1, so that the dust collection effect is sufficient.
The water supply interface 6 is communicated with the cavity on the inner wall of the shell 2, and the design is convenient for cleaning and dedusting the shell 2. And the water supply interface 6 on the shell 2 and the water supply interface 6 on the slag discharging pipe 5 are both provided with atomizing nozzles 7. By means of atomization, the humidifying is sufficient, and the dust removal effect is good. The atomizing nozzles 7 are at least two, can be arranged as required, and the more the arrangement is, the better the dust removal effect is.
The number of the negative pressure interfaces 4 is two, and the central lines between the two negative pressure interfaces 4 are distributed in a splayed shape. The design sucks the gas overflowing from the drill hole from different directions, and the gas is fully sucked.
The central lines of the two water supply interfaces 6 distributed on the shell 2 are distributed coaxially. Realizes the water supply in two different directions on the shell 2 and has sufficient humidifying effect. The central lines of the two water supply interfaces 6 on the slag discharging pipe 5 are distributed in a splayed shape. Realizes the water supply in two different directions on the slag discharging pipe 5 and has sufficient humidifying effect.
Example 2
Please refer to fig. 4, fig. 4 is a schematic structural diagram of a blowout prevention and dust fall drilling machine according to the present invention. A blowout prevention and dust fall drilling machine is characterized by comprising a guide rail 8, a slewing device 9, a clamp holder 10 and a guide seat 11; a rotating device 9 and a clamper 10 are arranged on the guide rail 8; the guide seat 11 is not connected with the holder 10, the guide seat 11 and the holder 10 are both installed on the guide rail 9, and one end of the guide seat 11 is connected with a dust fall prevention device 13.
Please refer to fig. 5, fig. 5 is a schematic front view of the blowout prevention and dust settling drilling machine of the present invention. The drilling machine is also provided with a compensation oil cylinder 12, and the compensation oil cylinder 12 is arranged below the guide rail 8.
The embodiment needs to be explained as follows: the drilling machine is provided with a blowout prevention dust falling device 13, covers the hole opening in a use state, and effectively prevents water or coal (rock) in the hole from being sprayed from the hole opening.
A guide seat 11 of the drilling machine is connected with a dust preventing and removing device 13, and the guide seat 11 is used for preventing a drill rod from deflecting.
The compensating oil cylinder 12 can push the guide rail 8 and the guide rail 8, the slewing device 9, the clamper 10, the guide seat 11 and the blowout preventer which are arranged on the guide rail 8 to slide on the mounting seat of the drilling machine, so that the blowout preventer is contacted with and separated from the orifice wall.
The utility model discloses a prevent spouting dust device 13 and rig, simple structure, simple to operate, dust cage 1 is used for drilling when arranging the sediment to the air feed and returns wind and carry a large amount of drill cuttings and collect dirt, covers the drill way under the user state, prevents effectively that downthehole water or coal (rock) from spouting, prevent spouting dust fall effectual from the drill way.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.
Claims (8)
1. The blowout prevention dust falling device is characterized by comprising a dust hood; one end of the dust hood is connected with a shell, and a flange is arranged at one end of the shell, which is far away from the dust hood; the periphery of the shell is provided with a negative pressure interface; one side of the shell is connected with a slag discharging pipe; the periphery of the shell and the periphery of the slag discharging pipe are provided with water supply interfaces; the appearance of the dust collection cover is in a horn shape; the inner wall profile of the dust collection cover is of a curve structure; the water supply interface is communicated with the cavity of the inner wall of the shell; the shell is provided with a water supply interface and the slag discharging pipe is provided with an atomizing nozzle.
2. The dust suppression prevention device according to claim 1, wherein the number of the atomizing nozzles and the number of the water supply ports are the same.
3. The blowout prevention and dust fall device according to claim 1, wherein the negative pressure ports are at least two, and the center lines of the two negative pressure ports are distributed in a splayed shape.
4. The device for preventing dust and dust from being sprayed according to claim 1, wherein the shell is provided with two water supply interfaces, and the central lines of the two water supply interfaces are coaxially distributed.
5. The blowout prevention and dust fall device according to claim 1, wherein at least two water supply interfaces are distributed on the slag discharging pipe, and the central lines of the two water supply interfaces are distributed in a splayed shape.
6. The device for preventing spraying and reducing dust of claim 1, wherein the dust hood is made of flame-retardant, antistatic, wear-resistant and high-strength soft materials.
7. The device for preventing dust and dust from being sprayed of claim 1, wherein the dust cage is made of plastic, rubber or nylon.
8. The dust suppression prevention device according to claim 1, wherein the housing and the dust cage are connected by a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020040328.7U CN211777282U (en) | 2020-01-09 | 2020-01-09 | Blowout prevention dust falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020040328.7U CN211777282U (en) | 2020-01-09 | 2020-01-09 | Blowout prevention dust falling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211777282U true CN211777282U (en) | 2020-10-27 |
Family
ID=72889273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020040328.7U Active CN211777282U (en) | 2020-01-09 | 2020-01-09 | Blowout prevention dust falling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN211777282U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183089A (en) * | 2021-12-14 | 2022-03-15 | 河南能源化工集团研究总院有限公司 | Novel blowout preventer for underground drilling of coal mine |
| CN114412407A (en) * | 2021-12-30 | 2022-04-29 | 煤炭科学技术研究院有限公司 | Sealing dust-settling blowout preventer for underground drilling of coal mine |
-
2020
- 2020-01-09 CN CN202020040328.7U patent/CN211777282U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183089A (en) * | 2021-12-14 | 2022-03-15 | 河南能源化工集团研究总院有限公司 | Novel blowout preventer for underground drilling of coal mine |
| CN114183089B (en) * | 2021-12-14 | 2024-03-12 | 河南能源化工集团研究总院有限公司 | Novel colliery is beaten in pit and is bored blowout preventer |
| CN114412407A (en) * | 2021-12-30 | 2022-04-29 | 煤炭科学技术研究院有限公司 | Sealing dust-settling blowout preventer for underground drilling of coal mine |
| CN114412407B (en) * | 2021-12-30 | 2023-09-08 | 煤炭科学技术研究院有限公司 | Underground coal mine drilling sealing dust-falling blowout preventer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401320 600 nanhu road, NANPENG street, Banan District, Chongqing Patentee after: Chongqing Pingshan Electromechanical Equipment Co.,Ltd. Address before: 401320 600 nanhu road, NANPENG street, Banan District, Chongqing Patentee before: CHONGQING PINGSHAN MINING ELECTROMECHANICAL EQUIPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |