CN201851067U - Drilling anti-jet orifice device - Google Patents
Drilling anti-jet orifice device Download PDFInfo
- Publication number
- CN201851067U CN201851067U CN2010206088282U CN201020608828U CN201851067U CN 201851067 U CN201851067 U CN 201851067U CN 2010206088282 U CN2010206088282 U CN 2010206088282U CN 201020608828 U CN201020608828 U CN 201020608828U CN 201851067 U CN201851067 U CN 201851067U
- Authority
- CN
- China
- Prior art keywords
- executing
- stationary pipes
- diameter
- drilling rod
- shunting chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a drilling anti-jet orifice device, which comprises a drilling casing, a shunt mechanism consisting of a shunt cavity and a deslagging pipe with a valve, an exhaust pipe with a valve, and a fixed pipe, wherein the inner diameter of the drilling casing is larger than the outer diameter of a drill stem, the shunt cavity is a hollow cavity, one end of the drilling casing is fixedly connected with a baffle with an orifice at the central part, the orifice is coaxial with the drilling casing, the diameter of the orifice is larger than that of the drill stem for the inlet of the drill stem, the other end of the drilling casing is fixedly communicated with one side surface of the shunt cavity, the deslagging pipe is communicated with the bottom of the shunt cavity, one end of the fixed pipe is communicated with the opposite side surfaces connected with the drilling casing on the shunt cavity, and the other end of the fixed pipe is fixed on a coal body wall or a rock wall and is perpendicular to the coal body wall or the rock wall. The device can ensure the smooth exhaust of rock blocks, coal and gas in the drilling process, ensures the safety of personnel and equipment, makes harmful gas pumped to the ground, improves the safety of gas ultralimit in the construction of a work surface, and has a low cost.
Description
(1) technical field
The utility model relates to a kind of executing and bores the process safe protector, especially relates to a kind of executing and bores the blowout prevention aperture apparatus.
(2) background technology
At colliery roadway exposed coal and executing in the brill process, particularly newly-built high gas projecting mine at coal road, do not drill the coal seam owing to have to execute for the first time under the depressurization phase in the coal seam, it is very big that spray orifice phenomenon possibility takes place.When exposed coal is visited the construction of coal borer hole for the first time between particularly high gas projecting mine mine construction stage, do not have under any depressurization phase outstanding dynamic phenomenon in the coal seam particularly evident, easily causes the boring coal to give prominence to gas to hurt sb.'s feelings, gas exceeding limit or even cause the generation of gas explosion accident.When carrying out coal road boring; spray orifice also can the amount of following coal, sillar, gas ejection; present operation generally all is that rig directly contacts with dangerous bodies such as rock mass, coal body, gas bodies; and there is not safe and reliable protective device; what have also only is in metal baffle of drill power head front end welding; its baffle plate only can block the very little a part of area in dead ahead, and people and equipment are not had good protective effect.
The patent No. is that the utility model patent of ZL200820160197.5 discloses a kind of drilling construction blowout prevention aperture apparatus, it is characterized in that being provided with can be the empty outside that is enclosed within drilling rod, sealing ground, and and drilling rod between leave the drainage tube of drainage cavity, the drainage separator box with negative pressure disengagement chamber is set; Between drainage tube and drainage disengagement chamber, gas channel and slagging channel are set respectively; Drainage separator box and negative pressure extraction pipeline connection form negative pressure in the case.The structure of this utility model is comparatively complicated, and volume is bigger.
(3) utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of executing to bore the blowout prevention aperture apparatus.
For solving above technical problem, the technical solution of the utility model is:
A kind of executing bored the blowout prevention aperture apparatus, comprise and execute drill sleeve, by the shunting chamber with have the diversion mechanism that the scum pipe of valve is formed, the stack that has valve, stationary pipes, the internal diameter of executing drill sleeve is greater than the drilling rod external diameter, the shunting chamber is a hollow cavity, executing drill sleeve one end fixedlys connected with the baffle plate that the centre has the aperture, the aperture with execute the drill sleeve coaxial line, orifice diameter is greater than the diameter of drilling rod, enter for drilling rod, the other end of executing drill sleeve fixedly is communicated with a side in shunting chamber, and scum pipe is communicated with the bottom in shunting chamber, one end of stationary pipes is connected with the relative side of executing drill sleeve with shunting on the chamber and is connected, and the other end of stationary pipes is fixed on coal body wall or the crag and is vertical with coal body wall or crag.
Described shunting chamber is cylindrical cavity or prismatic chamber, and the bottom in shunting chamber is to lower recess, and the cross-sectional area in shunting chamber is greater than the cross-sectional area of executing drill sleeve and stationary pipes.
Described stationary pipes is cylindrical tube or prismatic pipe, and the internal diameter of stationary pipes is three to ten times of drilling rod external diameter.
The orifice diameter of described baffle plate center is bigger by 0 than the diameter of drilling rod---10mm.
Have on described coal body wall or the crag and coal body wall or the vertical fixing hole of crag, the diameter of fixing hole is greater than the external diameter of stationary pipes, stationary pipes is fixed in the fixing hole, the internal diameter of stationary pipes is greater than the external diameter of drilling rod, one end of stationary pipes stretches out from fixing hole, and an end that stretches out is fixed on the side relative with executing drill sleeve on the shunting chamber.
Have on described coal body wall or the crag and coal body wall or the vertical fixing hole of crag, fix one section pre-pipe laying in the fixing hole, the diameter of fixing hole is greater than the external diameter of pre-pipe laying, the internal diameter of pre-pipe laying is greater than the external diameter of drilling rod, one end of pre-pipe laying stretches out from fixing hole, and an end that stretches out is fixedlyed connected with stationary pipes.
Described pre-pipe laying is cylindrical tube or prismatic pipe, and the internal diameter of stationary pipes is three to ten times of drilling rod external diameter.
The horizontal both sides in described shunting chamber are installed with firm groove respectively, and the cell body level of firm groove is squeezed into ground after firm bar one end passes firm groove, and the other end is fastening with the cell body of firm groove.
The horizontal both sides in described shunting chamber are installed with firm groove respectively, and the cell body of firm groove is vertical, and firm bar one end passes firm groove) after squeeze into coal body wall or crag inside, the other end is fastening with the cell body of firm groove.
The beneficial effects of the utility model:
1, adopts the utility model can guarantee to execute in the brill process sillar, coal, gas and discharge the safety of assurance personnel and equipment smoothly.
2, execute in the brill process and to cooperate induced draft fan to form negative pressure, make the pernicious gas pump drainage, improved the safety of gas exceeding limit when work plane is constructed so greatly, stop face gas transfinite accident and other gas injury accident to ground.
3, be used with pressure measurement mechanism and several valves, can carry out pressure measxurement, measure original spray orifice, so that take correct treatment measures.
4, the utility model processing simple in structure is used all very convenient, with low cost.
(4) description of drawings
Fig. 1 is one of cross-sectional schematic of the present utility model.
Fig. 2-1 is two of a cross-sectional schematic of the present utility model.
Fig. 2-2 is the external structure schematic diagram of Fig. 2-1.
Fig. 2-3 is the left view of Fig. 2-2.
Fig. 3-1 is three of an external structure schematic diagram of the present utility model.
Fig. 3-2 is the left view of Fig. 3-1.
Among the figure, 1 for executing drill sleeve, and 2 are the shunting chamber, and 3 is scum pipe, and 4 is stack, and 5 is stationary pipes, and 6 is drilling rod, and 7 is baffle plate, and 8 is the coal body wall, and 9 is crag, and 10 is pre-pipe laying, and 11 is firm groove, and 12 is firm bar, and 13 is ground.
(5) specific embodiment
Embodiment one: referring to Fig. 1.A kind of executing bored the blowout prevention aperture apparatus, comprise and execute drill sleeve 1, by shunting chamber 2 with have the diversion mechanism that the scum pipe 3 of valve is formed, the stack 4 that has valve, stationary pipes 5, the internal diameter of executing drill sleeve 1 is greater than drilling rod 6 external diameters, shunting chamber 2 is a hollow cavity, executing drill sleeve 1 one ends fixedlys connected with the baffle plate 7 that the centre has the aperture, the aperture with execute drill sleeve 1 coaxial line, orifice diameter is greater than the diameter of drilling rod 6, enter for drilling rod 6, the other end of executing drill sleeve 1 fixedly is communicated with a side in shunting chamber 2, and scum pipe 3 is communicated with the bottom in shunting chamber 2, one end of stationary pipes 5 is connected with the relative side of executing drill sleeve 1 with shunting on the chamber 2 and is connected, and the other end of stationary pipes 5 is fixed on the coal body wall 8 and is vertical with coal body wall 8.
The orifice diameter of baffle plate 7 centers is than the big 5mm of diameter of drilling rod 6.
Have the fixing hole vertical on the coal body wall 8 with coal body wall 8, the diameter of fixing hole is greater than the external diameter of stationary pipes 5, stationary pipes 5 is fixed in the fixing hole, the internal diameter of stationary pipes 5 is greater than the external diameter of drilling rod 6, one end of stationary pipes 5 stretches out from fixing hole, and an end that stretches out is fixed on the side relative with executing drill sleeve on the shunting chamber 2.
Execute in the present embodiment and bore stationary pipes 5 and be fixed in the fixing hole on the coal body wall by slip casting, an end stretches out from fixing hole, and an end that stretches out is fixed on the side relative with executing drill sleeve on the shunting chamber.
Present embodiment is applicable to the situation that boring is more shallow, execute in the brill process, pass successively after drilling rod 6 stretches into from the aperture on the baffle plate 7 and execute drill sleeve 1, shunting chamber 2, stationary pipes 5 stretch into coal body then, materials such as water, cinder and spoil flow out CH by the scum pipe 3 of shunting 2 lower ends, chamber
4Discharge by the stack 4 of shunting 2 upper ends, chamber Deng pernicious gas, execute in the brill process ground by the stack 4 formation negative pressure of bleeding, make the pernicious gas pump drainage to ground, face gas transfinite accident and other gas injury accident are stopped in the safety of gas exceeding limit when having improved the work plane construction so greatly.Have valve on the stack 4, can not close when not needing to bleed at ordinary times, can open when needing.Owing to the existence of baffle plate 7 is arranged, makes that baffle plate 7 can block materials such as water, cinder and spoil from workman and the instrument formation harm of drilling rod entrance ejection to work plane when coal body generation spray orifice.Valve on the scum pipe 3 is a valve open in usual, is convenient to deslagging at ordinary times, in the time of need carrying out gas drainage under suction when the work plane harmful gas concentration is too high valve closing is got final product.
Embodiment two: referring to Fig. 2-1, and Fig. 2-2, Fig. 2-3.Do not give unnecessary details with the something in common of embodiment one, difference only is,
The orifice diameter of described baffle plate 7 centers is than the big 10mm of diameter of drilling rod 6.
Have the vertical fixing hole of crag 9 on the described crag 9, fix one section pre-pipe laying 10 in the fixing hole, pre-pipe laying 17 is fixed together by slip casting with fixing hole, the diameter of fixing hole is greater than the external diameter of pre-pipe laying 10, the internal diameter of pre-pipe laying 10 is greater than the external diameter of drilling rod 6, one end of pre-pipe laying 10 stretches out from fixing hole, and an end that stretches out and stationary pipes 5 are fixedlyed connected by flange, perhaps tighten together with other common fastening means.
This embodiment is applicable to and executes the darker situation of drilling depth, can use on crag, also can use on the wall of coal seam.Execute drilling depth when dark, spray orifice pressure is bigger, and the existence of pre-pipe laying can prevent that spray orifice pressure from will wholely execute brill blowout prevention aperture apparatus and going out fixing hole.
The horizontal both sides in described shunting chamber 2 are installed with firm groove 11 respectively, and the cell body of firm groove 11 is vertical, squeeze into coal body wall or crag 9 inside after firm bar 12 1 ends pass firm groove 11, and the other end is fastening with the cell body of firm groove 11.Firm bar can be squeezed into anchor pole, also can hammer into other high-intensity Metallic rod.
The described drill sleeve 1 of executing is fixedlyed connected by flange with shunting chamber 2.When executing brill, can will not execute drill sleeve earlier connects, to remove the brill blowout prevention aperture apparatus of executing of executing drill sleeve 1 that has baffle plate 7 earlier sets at work plane, chamber 2 enters the coal body wall or crag carries out reaming from shunting earlier with drill bit, withdraw from drill bit after about one or two meter, will execute then drill sleeve 1 by flange with the shunting chamber fastening, after execute brill again, aperture in the time of can avoiding so just having begun to execute brill on the baffle plate 7 is too small, trains off after drill bit enters.
Embodiment three: referring to Fig. 3-1, and Fig. 3-2.Do not give unnecessary details with the something in common of embodiment two, difference only is,
The horizontal both sides in described shunting chamber 2 are installed with firm groove 11 respectively, and the cell body level of firm groove 11 is squeezed into ground 13 after firm bar 12 1 ends pass firm groove 11, and the other end is fastening with the cell body of firm groove 11.
Embodiment four: accompanying drawing slightly.Do not give unnecessary details with the something in common of each embodiment of front, difference only is that the bottom in described shunting chamber 2 becomes approximate infundibulate chamber to lower recess.
The approximate funnel shaped materials such as can guaranteeing gangue, sillar, water that is provided with in shunting chamber is discharged from scum pipe 3 smoothly in the present embodiment.
The utility model is not limited to above embodiment, the orifice diameter of baffle plate 7 centers is than the diameter of drilling rod 6 2mm greatly, the 6mm equidimension, in a word, can enter from the aperture of baffle plate 7 centers as long as size satisfies drilling rod 6, and bits spray from the aperture and get final product when drilling rod is worked or when spray orifice takes place.
The shunting chamber is cylindrical cavity or prismatic chamber, and the fixing of stationary pipes can also adopt other known technologies, in a word, so long as principle is identical with the utility model essence, all drops within the protection domain of the present utility model.
Claims (9)
1. execute brill blowout prevention aperture apparatus for one kind, comprise and execute drill sleeve (1), by shunting chamber (2) with have the diversion mechanism that the scum pipe (3) of valve is formed, the stack (4) that has valve, stationary pipes (5), it is characterized in that: the internal diameter of executing drill sleeve (1) is greater than drilling rod (6) external diameter, shunting chamber (2) is a hollow cavity, executing drill sleeve (1) one end fixedlys connected with the baffle plate (7) that the centre has the aperture, described aperture with execute drill sleeve (1) coaxial line, orifice diameter is greater than the diameter of drilling rod (6), enter for drilling rod (6), the other end of executing drill sleeve (1) fixedly is communicated with a side in shunting chamber (2), scum pipe (3) is communicated with the bottom in shunting chamber (2), be connected with the relative side of executing drill sleeve (1) in one end of stationary pipes (5) and shunting chamber (2) and be connected, the other end of stationary pipes (5) is fixed on that coal body wall (8) or crag (9) are gone up and is vertical with coal body wall (8) or crag (9).
2. according to claim 1 executing bored the blowout prevention aperture apparatus, it is characterized in that: described shunting chamber (2) is cylindrical cavity or prismatic chamber, the bottom in shunting chamber (2) is to lower recess, and the cross-sectional area in shunting chamber (2) is greater than executing the cross-sectional area of drill sleeve (1) with stationary pipes (5).
3. according to claim 2 executing bored the blowout prevention aperture apparatus, it is characterized in that: described stationary pipes (5) is cylindrical tube or prismatic pipe, and the internal diameter of stationary pipes (5) is three to ten times of drilling rod (6) external diameter.
4. according to claim 3 executing bored the blowout prevention aperture apparatus, and it is characterized in that: the orifice diameter of described baffle plate (7) center is bigger by 0 than the diameter of drilling rod (6)---10mm.
5. according to claim 4 executing bored the blowout prevention aperture apparatus, it is characterized in that: have on described coal body wall (8) or the crag (9) and coal body wall (8) or the vertical fixing hole of crag (9), the diameter of fixing hole is greater than the external diameter of stationary pipes (5), stationary pipes (5) is fixed in the fixing hole, the internal diameter of stationary pipes (5) is greater than the external diameter of drilling rod (6), one end of stationary pipes (5) stretches out from fixing hole, and an end that stretches out is fixed on shunting chamber (2) and goes up on the side relative with executing drill sleeve (1).
6. according to claim 4 executing bored the blowout prevention aperture apparatus, it is characterized in that: have on described coal body wall (8) or the crag (9) and coal body wall (8) or the vertical fixing hole of crag (9), fix one section pre-pipe laying (10) in the fixing hole, the diameter of fixing hole is greater than the external diameter of pre-pipe laying (10), the internal diameter of pre-pipe laying (10) is greater than the external diameter of drilling rod (6), one end of pre-pipe laying (10) stretches out from fixing hole, and an end that stretches out is fixedlyed connected with stationary pipes (5).
7. according to claim 6 executing bored the blowout prevention aperture apparatus, and it is characterized in that: described pre-pipe laying (10) is cylindrical tube or prismatic pipe, and the internal diameter of stationary pipes (5) is three to ten times of drilling rod external diameter.
8. bore the blowout prevention aperture apparatus according to described the executing of claim 1 arbitrary claim to the claim 7, it is characterized in that: the horizontal both sides in described shunting chamber (2) are installed with firm groove (11) respectively, the cell body level of firm groove (11), squeeze into ground (13) after firm bar (12) one ends pass firm groove (11), the other end is fastening with the cell body of firm groove (11).
9. bore the blowout prevention aperture apparatus according to described the executing of claim 1 arbitrary claim to the claim 7, it is characterized in that: the horizontal both sides in described shunting chamber (2) are installed with firm groove (11) respectively, the cell body of firm groove (11) is vertical, squeeze into coal body wall (8) or crag (9) inside after firm bar (12) one ends pass firm groove (11), the other end is fastening with the cell body of firm groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206088282U CN201851067U (en) | 2010-11-16 | 2010-11-16 | Drilling anti-jet orifice device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206088282U CN201851067U (en) | 2010-11-16 | 2010-11-16 | Drilling anti-jet orifice device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201851067U true CN201851067U (en) | 2011-06-01 |
Family
ID=44093466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206088282U Expired - Fee Related CN201851067U (en) | 2010-11-16 | 2010-11-16 | Drilling anti-jet orifice device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201851067U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865095A (en) * | 2011-07-07 | 2013-01-09 | 淮南矿业(集团)有限责任公司 | Anti-spray dust removing device for bedding drilling |
| CN103089254A (en) * | 2013-01-23 | 2013-05-08 | 重庆大学 | Physical simulation test tube of multi-field coupling coalbed methane exploitation |
| CN103114870A (en) * | 2013-01-23 | 2013-05-22 | 重庆大学 | Multi-field coupling coal bed methane extraction physical simulation testing system |
| CN103806933A (en) * | 2014-01-27 | 2014-05-21 | 冀中能源峰峰集团有限公司大淑村矿 | High-stress soft outburst coal seam mining method |
| CN104179524A (en) * | 2014-08-20 | 2014-12-03 | 永贵能源开发有限责任公司 | Gas-blowout-preventing gas, water and slag separating device |
| CN113884658A (en) * | 2021-11-02 | 2022-01-04 | 安徽理工大学 | Test device and method for researching influence of grading of particles of broken rock debris of hard rock machinery |
-
2010
- 2010-11-16 CN CN2010206088282U patent/CN201851067U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865095A (en) * | 2011-07-07 | 2013-01-09 | 淮南矿业(集团)有限责任公司 | Anti-spray dust removing device for bedding drilling |
| CN103089254A (en) * | 2013-01-23 | 2013-05-08 | 重庆大学 | Physical simulation test tube of multi-field coupling coalbed methane exploitation |
| CN103114870A (en) * | 2013-01-23 | 2013-05-22 | 重庆大学 | Multi-field coupling coal bed methane extraction physical simulation testing system |
| CN103114870B (en) * | 2013-01-23 | 2015-04-29 | 重庆大学 | Multi-field coupling coal bed methane extraction physical simulation testing system |
| CN103089254B (en) * | 2013-01-23 | 2015-10-28 | 重庆大学 | Multi-scenarios method coal-bed gas exploitation physical simulation experiment pipe |
| CN103806933A (en) * | 2014-01-27 | 2014-05-21 | 冀中能源峰峰集团有限公司大淑村矿 | High-stress soft outburst coal seam mining method |
| CN103806933B (en) * | 2014-01-27 | 2016-07-06 | 冀中能源峰峰集团有限公司大淑村矿 | Heavily stressed soft projecting coal bed recovery method |
| CN104179524A (en) * | 2014-08-20 | 2014-12-03 | 永贵能源开发有限责任公司 | Gas-blowout-preventing gas, water and slag separating device |
| CN113884658A (en) * | 2021-11-02 | 2022-01-04 | 安徽理工大学 | Test device and method for researching influence of grading of particles of broken rock debris of hard rock machinery |
| CN113884658B (en) * | 2021-11-02 | 2023-10-10 | 安徽理工大学 | Test device and method for researching influence of hard rock mechanical breaking rock debris grain composition |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201851067U (en) | Drilling anti-jet orifice device | |
| CN205826640U (en) | Sealing agent closure evaluation experimental device in a kind of fractured reservoir | |
| CN104295263A (en) | Radial hole sealing device for drill holes for exhausting coal bed gas | |
| CN110965955A (en) | Dust and blowout prevention device for coal mine gas drainage | |
| CN101598029A (en) | Ascending hole coal seam gas pressure measurement water pressure excluding instrument and method | |
| CN204552809U (en) | Drill anti-spray orifice Pre-control System in a kind of colliery | |
| CN201643929U (en) | Comprehensive gas spray orifice safety control device | |
| CN103195470A (en) | Gas discharge collecting device for drilling construction | |
| CN104213848B (en) | A kind of arc sealing device and using method for pipeline with pressure or drilling rod perforate | |
| CN202348210U (en) | Orifice blowout preventer for drilling | |
| CN204532332U (en) | Hydraulic flushing in hole coal output measurement mechanism | |
| CN102966376B (en) | Vacuum negative pressure quick unwatering method for ore body | |
| CN215949557U (en) | Coal-gas-water separation device for hydraulic punching of underground coal mine | |
| CN106968706A (en) | A kind of method that hydraulic slotted liner technique eliminates coal and gas prominent in heading driving | |
| CN202882810U (en) | Novel multifunctional dust falling device | |
| CN200999628Y (en) | Draft tube used for draining drill mash gas | |
| CN204024609U (en) | Play long well section perforation gun apparatus | |
| CN203847153U (en) | Hole ejection protection device for drilling of highly-gassy mines | |
| CN201433789Y (en) | Ascending hole coal-bed gas pressure detection water pressure eliminator | |
| CN203879533U (en) | Orifice dust removal device for coal seam drilled hole | |
| CN206845135U (en) | A kind of blowout prevention aperture apparatus for firedamp taking-out discharging drilling | |
| CN204312122U (en) | A kind of gas, coal-water separating device | |
| CN204311969U (en) | A kind of preventing sticking down-the-hole air hammer | |
| CN204060618U (en) | Ball-and-seat | |
| CN206681784U (en) | A kind of protection device in coal mine gas extraction borehole aperture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20111116 |