CN209637711U - One kind is drilled blowout prevention dust-extraction unit - Google Patents
One kind is drilled blowout prevention dust-extraction unit Download PDFInfo
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- CN209637711U CN209637711U CN201920119332.XU CN201920119332U CN209637711U CN 209637711 U CN209637711 U CN 209637711U CN 201920119332 U CN201920119332 U CN 201920119332U CN 209637711 U CN209637711 U CN 209637711U
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- gas
- hole part
- dust
- sealing
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Abstract
The utility model provides one kind and drills blowout prevention dust-extraction unit, including the dedicated sealing of hole part of expansion type, the dedicated sealing of hole part of moisture film, gas-removing pipe, scum pipe, spraying sub-assembly, dust and gas control box main body and the closed air duct of single head, one end of the dedicated sealing of hole part of moisture film is connect with one end of the dedicated sealing of hole part of expansion type, retaining ring, annular spray device, combination seal and positioning pin are successively arranged in the casing B of the dedicated sealing of hole part of moisture film, annular spray device includes steel pipe and screwed union, and steel pipe is equipped with multiple spray orifices；The dedicated sealing of hole part of expansion type includes inflatable pipe, sleeve A, L shape stainless steel tube, fastener and connector of calming the anger, L shape stainless steel tube includes the horizontal tube and vertical pipe of connection, inflatable pipe sleeve is set to the outside of sleeve A and horizontal tube, and connector of calming the anger is set in sleeve A, and is connected to one end of vertical pipe.The utility model is able to solve problem poorly sealed between drilling rod and hole wall, drilling rod and hole mouthpart rear end, so that the gas and flour dust overflow when drilling are less.
Description
Technical field
It drills blowout prevention dust-extraction unit the utility model relates to ventilation safety technical field more particularly to one kind.
Background technique
Coal mine is the important energy in China, must assure that the personal safety and mine peace of underground labour in coal mining
Entirely.Gas and dust are the major casualties of Safety of Coal Mine Production, and in order to effectively prevent gas and dust disaster, China is performed
The policy of " first take out and adopt afterwards " before coal mining, is intended to opening the gas in pre-mining drainage coal seam, and takes out coal-bed gas needs in advance and apply
Work largely drills, but during construction drill, and there are following security risks: first is that since the interior gas pressure that drills is larger easily
Biggish dynamic phenomenon is generated, thus frequently results in coal and is largely sprayed out of drilling in construction with gas, often causes to drill
Tunnel gas density transfinites in tunnel drilling construction point downwind side a certain range；Second is that a large amount of coal dust, water and gas when spray orifice
It is easy to be sprayed into rig personnel, is easy to feed through to personal safety；Third is that coal bed drilling is constructed and seen, coal construction is mostly used
Wind deslagging is pressed, a large amount of dust can be generated at this time, threaten the health of operating personnel.
Existing blowout prevention dust-extraction unit of drilling plays certain effect to the anti-spray orifice drilled and dedusting, but due to a variety of originals
Cause, there are still following problems: first is that it is poorly sealed between drilling rod and borehole wall, still there are more gas and flour dust overflow；Second is that boring
Poorly sealed between bar and hole mouthpart rear end, gas and flour dust overflow are more.
Utility model content
In response to the deficiencies in the existing technology, the utility model provides one kind and drills blowout prevention dust-extraction unit, solves drilling rod
The poorly sealed problem between the mouthpart rear end of hole.
The utility model is to realize above-mentioned technical purpose by following technological means.
One kind is drilled blowout prevention dust-extraction unit, including the dedicated sealing of hole part of expansion type, the dedicated sealing of hole part of moisture film, gas-removing pipe, row
Slag pipe, spraying sub-assembly, dust and gas control box main body and the closed air duct of single head；
One end of the dedicated sealing of hole part of moisture film is connect with one end of the dedicated sealing of hole part of the expansion type, and the moisture film is dedicated
Sealing of hole part includes combination seal, gas-removing pipe fitting, deslagging pipe fitting, casing B, retaining ring, annular spray device, baffle ring, positioning
Pin, the gas-removing pipe fitting and deslagging pipe fitting are separately positioned on the side wall of described sleeve pipe B, and are connected to described sleeve pipe B,
The retaining ring, annular spray device, combination seal and positioning pin, which successively abut, to be set in described sleeve pipe B, the annular spray
Device includes steel pipe and screwed union, and the steel pipe is equipped with multiple spray orifices, and multiple spray orifices are towards the combination seal, institute
Screwed union is stated for connecting with water pipe；
Aperture dirt slag interface, aperture gas interface, extraction system, which are provided with, on the dust and gas control box main body connects port；Institute
The one end for stating gas-removing pipe is connect with gas-removing pipe fitting, and the other end is connect with the aperture gas interface, the scum pipe
One end is connect with deslagging pipe fitting, and the other end is connect with aperture dirt slag interface, and the extraction system connects port and extraction system
One end of one end connection, the closed air duct of single head is connect with dust and gas control box main body, the closed air duct of single head
Other end closing, the spraying sub-assembly is set in the dust and gas control box main body, and is located at the aperture gas interface
Lower section.
Preferably, the combination seal includes multiple P series sealing elements and multiple Q series sealing elements, and the P series is close
Sealing and the Q series sealing element interval are arranged.
Preferably, the dedicated sealing of hole part of the expansion type includes inflatable pipe, sleeve A, L shape stainless steel tube, fastener and calms the anger
Connector, groove is provided on the outer wall of described sleeve pipe A, and the L shape stainless steel tube includes the horizontal tube and vertical pipe of connection, the water
For flat pipe in the groove, the inflatable pipe sleeve is set to the outside of described sleeve pipe A and the horizontal tube, the inflatable pipe and institute
It states sleeve A to connect by fastener, the connector of calming the anger is connected on described sleeve pipe A with one end of the vertical pipe.
Preferably, the fastener is steel band and buckle, or is locked for hose clamp.
Preferably, the gas-removing pipe fitting and deslagging pipe fitting are separately positioned on the side wall two sides of described sleeve pipe B, described
The angle of the axis of gas-removing pipe fitting and deslagging pipe fitting and described sleeve pipe B is 60~80 °.
Preferably, the spraying sub-assembly includes 3~6 wide-angle conical nozzles, and multiple wide-angle conical nozzles pass through
Pipeline and connector connection.
Preferably, one end of the dedicated sealing of hole part of the moisture film and one end of the dedicated sealing of hole part of the expansion type use buckle-type
Connection.
Preferably, the gas-removing pipe and the scum pipe are telescopic.
The utility model has the beneficial effects that
1) be provided in the dedicated sealing of hole part of the moisture film of the utility model retaining ring, annular spray device, combination seal, baffle ring and
Positioning pin, when being drilled, drill bit drilling rod passes through retaining ring, annular spray device, combination seal, baffle ring and positioning pin, annular spray
Day with fog is spraying to combination seal, on the one hand dust is atomized, the process that another aspect combination seal is moved with drilling rod
Middle generation moisture film, thus efficiently solve the problems, such as it is poorly sealed between drilling rod and hole mouthpart rear end so that outside gas and dust
It overflows less, can reach safety requirements.
2) the utility model is additionally provided with the dedicated sealing of hole part of expansion type, the expansion type in the front end of the dedicated sealing of hole part of moisture film
Inflatable pipe is by the piping connection of calming the anger of L-type steel pipe and calm the anger connector and working site in dedicated sealing of hole part, when work, passes through pressure
Inflation in tracheae road direction inflatable pipe so that inflatable tube swelling, and is in close contact with borehole wall, thus efficiently solve drilling rod with
Poorly sealed problem, is further reduced gas and flour dust overflow between borehole wall.
3) the utility model small volume assembles, is easy to operate, applied widely.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to a kind of blowout prevention dust-extraction unit of drilling of the utility model embodiment.
Fig. 2 is the dedicated sealing of hole part structural schematic diagram of expansion type according to the utility model embodiment.
Fig. 3 is the dedicated sealing of hole part structural schematic diagram of water film type according to the utility model embodiment.
Fig. 4 is the annular spray device structural schematic diagram according to the utility model embodiment.
Appended drawing reference:
1. the dedicated sealing of hole part of expansion type；1-1. inflatable pipe；1-2.L shape steel tube；1-3. steel band and buckle；1-4. sleeve A；1-
5. connector of calming the anger；2. tracheae；3. gas-removing pipe；4. deslagging dust flue；5. the dedicated sealing of hole part of water film type；The sealing of 5-1P.P series
Part；5-1Q.Q series sealing element；The dedicated sealing of hole part connector of 5-2. expansion type；5-3. gas-removing pipe fitting；5-4 deslagging pipe fitting；
5-5 retaining ring；5-6. annular spray device；5-6-1. spray orifice；5-6-2. steel pipe；5-6-3. screwed union；5-7 baffle ring；5-8. casing
B；5-9. positioning pin；6. spraying sub-assembly；7. dust and gas controls box main body；8. air duct rigid interface；9. water pipe；10. single head is closed
Formula air duct；11. bracket；12. aperture gas interface；13. spare interface；14. extraction system connects port；15. aperture dirt slag interface；
16. self-priming cover board.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
The orientation or position of the instructions such as degree ", " thickness ", "upper", "lower", " axial direction ", " radial direction ", "vertical", "horizontal", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be construed as a limitation of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as
Indication or suggestion relative importance or the quantity for implicitly indicating indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include one or more of the features.It is " more in the description of the present invention,
It is a " it is meant that two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
It specifically describes in conjunction with attached drawing and is drilled blowout prevention dust-extraction unit according to one kind of the utility model embodiment first below.
It is drilled blowout prevention dust-extraction unit, including expansion type according to one kind of the utility model embodiment referring to FIG. 1 to FIG. 4,
The dedicated sealing of hole part 5 of dedicated sealing of hole part 1, moisture film, gas-removing pipe 3, scum pipe 4, spraying sub-assembly 6, dust and gas control box main body 7, list
Closed air duct 10 and bracket 11.
Specifically, as shown in Fig. 2, the dedicated sealing of hole part 1 of expansion type includes inflatable pipe 1-1, sleeve A 1-4, L shape stainless steel tube
1-2, fastener 1-3 and the connector 1-5 that calms the anger, are provided with groove on the outer wall of sleeve A, L shape stainless steel tube 1-2 includes the level of connection
Pipe and vertical pipe, for horizontal tube in the groove, inflatable pipe 1-1 is sheathed on the outside of sleeve A 1-4 and horizontal tube, inflatable pipe 1-1 with
Sleeve A 1-4 is connected by fastener, and fastener is steel band and buckle 1-3, or is hose clamp, and the connector 1-5 that calms the anger is set in sleeve A,
And be connected to one end of vertical pipe, when work, by being inflated in air pipe road direction inflatable pipe 1-1, so that inflatable pipe 1-1 expands,
And be in close contact with the hole wall of drilling, to efficiently solve the problems, such as poorly sealed between drilling rod and borehole wall, further subtract
Few gas and flour dust overflow.
As shown in figure 3, the dedicated sealing of hole part 5 of moisture film includes combination seal, gas-removing pipe fitting 5-3, deslagging pipe fitting 5-
4, casing B5-8, retaining ring 5-5, annular spray device 5-6, baffle ring 5-7, positioning pin 5-9, it is dedicated that one end of casing B is equipped with expansion type
Sealing of hole part connector 5-2, for connecting with one end buckle-type of the dedicated sealing of hole part 5 of moisture film, gas-removing pipe fitting 5-3 and scum pipe are connect
Head 5-4 is separately positioned on the side wall two sides of casing B5-8, is connected to casing B5-8, gas-removing pipe fitting 5-3 and deslagging pipe fitting
The angle of the axis of 5-4 and casing B5-8 is 60~80 °, retaining ring 5-5, annular spray device 5-6, combination seal and positioning pin 5-
9 successively against being set in casing B5-8.As shown in figure 4, annular spray device 5-6 includes steel pipe 5-6-2 and screwed union 5-6-
3, steel pipe 5-6-2 are equipped with multiple spray orifice 5-6-1, and for multiple spray orifice 5-6-1 towards combination seal, combination seal includes multiple
P series sealing element 5-1P and multiple intervals Q series sealing element 5-1Q, P series sealing element 5-1P and Q series sealing element 5-1Q are set
It sets, P series sealing element 5-1P and Q series sealing element 5-1Q is made of aviation aluminium and flame retardant rubber band, and screwed union 5-6-3 is used
It is connect in water pipe 9, when being drilled, drill bit drilling rod passes through retaining ring 5-5, annular spray device 5-6, combination seal, baffle ring 5-7
With positioning pin 5-9, the water flowing into annular spray device 5-6 of water pipe 9, so that annular spray device 5-6 is spraying to combination seal, a side
Face is atomized dust, and another aspect combination seal generates moisture film during moving with drilling rod, to efficiently solve
Poorly sealed problem can reach safety requirements so that gas and flour dust overflow are less between drilling rod and hole mouthpart rear end.
Aperture dirt slag interface 15, aperture gas interface 12, extraction system, which are provided with, on dust and gas control box main body 7 connects port
14, one end of spare interface 13, gas-removing pipe 3 is connect with gas-removing pipe fitting 5-3, and the other end and aperture gas interface 12 connect
It connects, one end of scum pipe 4 is connect with deslagging pipe fitting 5-4, and the other end is connect with aperture dirt slag interface 15, gas-removing pipe 3 and row
Telescopic is made using steel ring and mining ventilating tunnel material in slag pipe 4.Extraction system connects port 14 and connect with extraction system one end, single
One end of closed air duct 10 connect with dust and gas control box main body 7, and the other end of the closed air duct 10 of single head is closed.Spraying group
Component 6 is set in dust and gas control box main body 7, and is located at 12 lower section of aperture gas interface.Preferably, spraying sub-assembly 6 wraps
3~6 wide-angle conical nozzles are included, multiple conical nozzles are connected by pipeline and connector, and multiple conical nozzles are located at hole implication
12 lower section of body interface is symmetrical uniformly distributed.Spare interface 13 is in close state, and dust and gas control box main body 7 is installed on bracket 11, dirt
The bottom of gas control box main body 7 is equipped with L shape slagging-off pipe, and the vertical portion of L shape slagging-off pipe is connected to dust and gas control box main body 7, L shape
The horizontal component end of slagging-off pipe is equipped with self-priming cover board 16.
With in use, will calm the anger connector 1-5 before drilling and scene is calmed the anger piping connection, opening is calmed the anger switch gas supply for installation
After 3~5s, steam supply valve is closed in inflatable pipe 1-1 expansion；The dedicated sealing of hole part 1 of expansion type is protruded into drilling, by the dedicated sealing of hole of water film type
Part 5 is connect by buckle-type quick coupling with the dedicated sealing of hole part 1 of expansion type, is sequentially loaded into P series sealing element by preparatory number
5-1P, Q series sealing element 5-1P and positioning pin 5-9: by the dedicated sealing of hole part 5 of water film type with fixation with steel wire in lane arm；Then, it beats
Water valve on boiled water pipe 2 can carry out drilling so that spraying sub-assembly 6 is spraying；The gas and cinder generated in boring procedure
It enters in dust and gas control box main body 7, to atomising gas, extraction system is used to control dust and gas in box main body 7 spraying sub-assembly 6
Gas take away.When drilling, annular spray device 5-6 is spraying to combination seal, on the one hand dust is atomized, another aspect group
It closes during sealing element is moved with drilling rod and generates moisture film, sealed not between drilling rod and hole mouthpart rear end to efficiently solve
Tight problem.Inflation in air pipe road direction inflatable pipe 1-1, so that inflatable pipe 1-1 expands, and is in close contact with borehole wall, from
And efficiently solve the problems, such as poorly sealed between drilling rod and borehole wall, so that gas and flour dust overflow are less, it can reach safety
It is required that.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model
Principle and objective in the case where above-described embodiment can be changed in the scope of the utility model, modify, replace and
Modification.
Claims (8)
- The blowout prevention dust-extraction unit 1. one kind is drilled, which is characterized in that including the dedicated sealing of hole part (1) of expansion type, the dedicated sealing of hole part of moisture film (5), gas-removing pipe (3), scum pipe (4), spraying sub-assembly (6), dust and gas control box main body (7) and the closed air duct of single head (10)；One end of the dedicated sealing of hole part (5) of moisture film is connect with one end of the dedicated sealing of hole part (1) of the expansion type, and the moisture film is special It include combination seal, gas-removing pipe fitting (5-3), deslagging pipe fitting (5-4), casing B (5-8), retaining ring with sealing of hole part (5) (5-5), annular spray device (5-6), baffle ring (5-7), positioning pin (5-9), the gas-removing pipe fitting (5-3) and deslagging pipe fitting (5-4) is separately positioned on the side wall of described sleeve pipe B (5-8), and is connected to described sleeve pipe B (5-8), the retaining ring (5-5), ring Shape sprayer (5-6), combination seal and positioning pin (5-9) are successively abutted and are set in described sleeve pipe B (5-8), the annular Sprayer (5-6) includes steel pipe (5-6-2) and screwed union (5-6-3), and the steel pipe (5-6-2) is equipped with multiple spray orifice (5- 6-1), towards the combination seal, the screwed union (5-6-3) is used for water pipe (9) even multiple spray orifices (5-6-1) It connects；Aperture dirt slag interface (15), aperture gas interface (12), extraction system is provided on dust and gas control box main body (7) to connect Port (14)；One end of the gas-removing pipe (3) is connect with gas-removing pipe fitting (5-3), and the other end connects with the hole gas Mouth (12) connection, one end of the scum pipe (4) are connect with deslagging pipe fitting (5-4), the other end and aperture dirt slag interface (15) Connection, the extraction system connect port (14) and connect with one end of extraction system, one end of the closed air duct of single head (10) It is connect with dust and gas control box main body (7), the other end closing of the closed air duct of single head (10), the spraying sub-assembly (6) it is set in dust and gas control box main body (7), and is located at below the aperture gas interface (12).
- 2. blowout prevention dust-extraction unit according to claim 1 of drilling, which is characterized in that the combination seal includes multiple P Serial sealing element (5-1P) and multiple Q series sealing elements (5-1Q), the P series sealing element (5-1P) and the Q series seal The setting of part (5-1Q) interval.
- 3. blowout prevention dust-extraction unit according to claim 1 of drilling, which is characterized in that the dedicated sealing of hole part (1) of expansion type Including inflatable pipe (1-1), sleeve A (1-4), L shape stainless steel tube (1-2), fastener and connector of calming the anger (1-5), described sleeve pipe A's Groove is provided on outer wall, the L shape stainless steel tube (1-2) includes the horizontal tube and vertical pipe of connection, and the horizontal tube is embedded in institute It states in groove, the inflatable pipe (1-1) is sheathed on the outside of described sleeve pipe A (1-4) and the horizontal tube, the inflatable pipe (1- 1) it is connect with described sleeve pipe A (1-4) by fastener, the connector of calming the anger (1-5) is set on described sleeve pipe A, and erects with described One end of straight tube is connected to.
- 4. blowout prevention dust-extraction unit according to claim 3 of drilling, which is characterized in that the fastener is steel band and buckle (1-3), or be hose clamp.
- 5. blowout prevention dust-extraction unit according to claim 3 of drilling, which is characterized in that the gas-removing pipe fitting (5-3) and Deslagging pipe fitting (5-4) is separately positioned on the side wall two sides of described sleeve pipe B (5-8), the gas-removing pipe fitting (5-3) and row The angle of the axis of slag pipe fitting (5-4) and described sleeve pipe B (5-8) is 60~80 °.
- 6. blowout prevention dust-extraction unit according to claim 1 of drilling, which is characterized in that described spraying sub-assembly (6) include 3~ 6 wide-angle conical nozzles, multiple wide-angle conical nozzles are connected by pipeline and connector.
- 7. blowout prevention dust-extraction unit according to claim 1 of drilling, which is characterized in that the dedicated sealing of hole part (5) of moisture film One end is connect with one end of the dedicated sealing of hole part (1) of the expansion type using buckle-type.
- 8. blowout prevention dust-extraction unit according to claim 1 of drilling, which is characterized in that the gas-removing pipe (3) and the row Slag pipe (4) is telescopic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920119332.XU CN209637711U (en) | 2019-01-24 | 2019-01-24 | One kind is drilled blowout prevention dust-extraction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920119332.XU CN209637711U (en) | 2019-01-24 | 2019-01-24 | One kind is drilled blowout prevention dust-extraction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209637711U true CN209637711U (en) | 2019-11-15 |
Family
ID=68479014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920119332.XU Expired - Fee Related CN209637711U (en) | 2019-01-24 | 2019-01-24 | One kind is drilled blowout prevention dust-extraction unit |
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| Country | Link |
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| CN (1) | CN209637711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175125A (en) * | 2020-01-17 | 2020-05-19 | 安徽理工大学 | Coal rock tensile strength cracking experiment probe and assembly method |
-
2019
- 2019-01-24 CN CN201920119332.XU patent/CN209637711U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175125A (en) * | 2020-01-17 | 2020-05-19 | 安徽理工大学 | Coal rock tensile strength cracking experiment probe and assembly method |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20191115 Termination date: 20220124 |