CN103147708A - Through type down hole hammer reverse circulation drilling dust collection device - Google Patents
Through type down hole hammer reverse circulation drilling dust collection device Download PDFInfo
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- CN103147708A CN103147708A CN2013101023256A CN201310102325A CN103147708A CN 103147708 A CN103147708 A CN 103147708A CN 2013101023256 A CN2013101023256 A CN 2013101023256A CN 201310102325 A CN201310102325 A CN 201310102325A CN 103147708 A CN103147708 A CN 103147708A
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- hole
- drill bit
- spray orifice
- dust
- reverse circulation
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- 239000000428 dust Substances 0.000 title claims abstract description 47
- 238000005553 drilling Methods 0.000 title claims abstract description 37
- 239000007921 spray Substances 0.000 claims abstract description 39
- 238000009792 diffusion process Methods 0.000 claims abstract description 10
- 239000002893 slag Substances 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 229920004933 Terylene® Polymers 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000004745 nonwoven fabric Substances 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- 239000011435 rock Substances 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000843 powder Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000013467 fragmentation Methods 0.000 description 3
- 238000006062 fragmentation reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 102000016938 Catalase Human genes 0.000 description 2
- 108010053835 Catalase Proteins 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 231100000241 scar Toxicity 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a through type down hole hammer reverse circulation drilling dust collection device, and belongs to a drilling device for water conservancy and hydropower construction. The device comprises a through type down hole hammer. The through type down hole hammer comprises a drill rod and a drill bit at the lower end of the drill rod. The drill rod is a dual-wall drill rod, and comprises a core tube and an outer tube. The drill bit is a reverse circulation drill bit. An air exhaust groove is reserved in the end part of the drill bit. A through hole is formed in the center of the drill bit, and is communicated with the core tube. A diffusion groove communicated with the through hole is formed in the bottom of the drill bit. A bottom spray orifice communicated with the diffusion groove is reserved in the inner wall of the drill bit, and is isolated from the through hole. An inner spray orifice communicated with the bottom spray orifice is reserved in the wall of the through hole. A dust bag is connected to the upper end of the core tube through a slag discharging tube. The inner spray orifice and the bottom spray orifice are formed in the drill bit, and a negative pressure area can be formed in a part below an outlet of the inner spray orifice in the through hole, so that an upward suction area is formed from the bottom of the inner spray orifice to the middle section of the inner spray orifice, and rock powder and broken rock blocks at the bottom of the inner spray orifice are driven to move upwards to collect dust during the hole drilling of an air motor drill.
Description
Technical field
A kind of hollow hammer hole reverse circulation drilling dust collect plant belongs to the drilling equipment in water resources and hydropower construction.
Background technology
Along with constantly pushing ahead of water resources and hydropower construction cause, water resources and hydropower construction shifts to western high mountain gorge gradually, thereby in the geological prospecting and foundation treatment engineering of western geological condition complex area, often run into extremely complicated stratum, brought new difficulty and challenge for boring and efforts at environmental protection.Particularly in drilling process, the pore-creating dust is difficult to collection and is perplexing the constructor always.Country has proposed high request to construction environment, thus to the pneumatic drilling machine boring dedusting that is subjected to dust, noise pollution administer be water power grouting industry development and working environment build in the urgent need to, be extremely urgent to the civilized construction environmental demand.
Summary of the invention:
The problem to be solved in the present invention is exactly to provide a kind of drilling apparatus that can carry out dust collection in pneumatic drilling machine pore-creating for above deficiency.Its technical scheme is as follows:
It comprises hollow hammer hole, hollow hammer hole comprises the drill bit of drilling rod and drilling rod lower end, binary channels aqueous vapor tap is installed in the drilling rod upper end, installation high-voltage wind passage on binary channels aqueous vapor tap, the high-pressure blast passage connects gas inlet rubber tube, gas inlet rubber tube connects air compressor machine, and drill bit comprises the meshing gold of draw-in groove, spline, annular groove and ball.Its key technology is that drilling rod is double-wall drill pipe, comprises core barrel and outer tube, and core barrel connects by joint with outer tube; Drill bit is reverse circulation drill bit, the drill bit end has unloads the wind groove, bit central has through hole, through hole communicates with core barrel, being provided with the diffusion groove bottom drill bit communicates with through hole, have end spray orifice at the drill bit inwall and communicate with the diffusion groove, end spray orifice and through hole isolation have interior spray orifice and communicate with end spray orifice on the perforation hole wall; Connect dust bag in the core barrel upper end by scum pipe.
Compared with prior art the beneficial effect that has of the present invention is:
1, be provided with interior spray orifice on drill bit, high-pressure blast is after driving the down-hole hammer acting, and at the bottom of useless wind direction hole, direction moves, and most wind enter through hole along interior spray orifice.Due to interior spray orifice opening upwards, guiding wind moves up by force, in interior spray orifice outlet position formation back suction principle, in causing in through hole, the following position of spray orifice outlet forms negative pressuren zone, make from form the zone of the suction that makes progress at the bottom of the hole to interior spout interlude, drive hole bed rock powder and catalase piece and move up.
2, be provided with end spray orifice bottom drill bit, when the wind that enters from end spray orifice arrives the diffusion groove, because the bottom is the boring scar, the stifled wind direction surrounding of having stopped is moved, wind can only be by moving to through hole at the bottom of the hole, carry rock dust, landwaste, sillar with back suction effect acting in conjunction and move to through hole, form whole anti-shuttling movement.Cause dust, landwaste etc. discharge hole bed rock slag directly by returning on central passage smoothly, utilize dust bag to collect dust, have realized that down-hole hammer creeps into the dust that produces in process, the centralized collection of landwaste.Both avoided rock mass to repeat at the bottom of the hole broken, and improved again drilling efficiency, hole wall is only very smooth under rotating effect, and dust can not occur to the resistance of filling out of tiny crack, can improve draining or grouting quality.Good anti-circulating effect has solved the problem of environmental pollution that pneumatic down-the-hole hammer drilling technology is for a long time brought, and has effectively improved workman's operating environment quality and occupational health level.Drawing aperture dust leakage quantity from field trial is only 10% left and right, has improved the construction environment of operation side.The spray orifice that can see the bottom has to the effect of central passage ejection gas, the landwaste that the wind that enters from end spray orifice can the disturbance fragmentation, cooling drill bit.
3, hollow hammer hole reverse circulation drilling control of dust utilization, reached front boring, back control of dust, boring and control of dust, non-interfering proper work programme;
4, reverse circulating operating principle is that gap between drilling rod and borehole wall is less, the sound of impactor fragmented rock body can not be directly delivered on aperture and work plane, the sound of fragmented rock body must be through the drilling rod central passage, on return dust bag to the aperture, pass through again the dust bag dedusting, be equivalent in the impactor back, a noise damper that reaches tens meters has been installed, on work plane, noise is little, has improved the working environment quality.
5, hollow hammer hole reverse circulation drilling control of dust technology adopts double-wall drill pipe, and the weight of double-wall drill pipe is larger, is conducive to improve rate of penetration.The speed that adopts conventional impactor to creep into (aperture Φ 110mm) is 9～12m/h, from the test statistics result, it is 12～15m/h that apparatus of the present invention are crept into speed, more conventional rotary drilling method can improve rate of penetration more than 3 times, and more conventional down-hole hammer circulation drill technology has improved 1.2 times of efficient.
6, apparatus of the present invention integrate the efficient detritus of down-hole hammer, the full hole of fluid media (medium) counter circulate, do not stop to bore obtain continuously three kinds of advanced drilling technologies of core (sample), compatible gas creeps into, impact rotating creeps into, reverse circulation drilling three's advantage, has to creep into conventional air latent drift than gas to creep into larger advantage and compliance widely.
7, dust bag can be by manually being quick installed at the scum pipe afterbody, and dust bag is reusable, can cut the waste.
Description of drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the local enlarged diagram of Fig. 1;
Fig. 3 is hollow hammer hole structural representation of the present invention;
Fig. 4 is double-wall drill pipe structural representation of the present invention;
Fig. 5 is reverse circulation drill bit structure schematic diagram of the present invention;
Fig. 6 is dust bag structural representation of the present invention;
Fig. 7 is Fig. 6 lateral view.
The specific embodiment:
Referring to Fig. 1-Fig. 7, the present invention includes hollow hammer hole, hollow hammer hole comprises the drill bit of drilling rod and drilling rod lower end, binary channels aqueous vapor tap 6 is installed in the drilling rod upper end, installation high-voltage wind passage 2 on binary channels aqueous vapor tap 6, high-pressure blast passage 2 connects gas inlet rubber tube 10, and gas inlet rubber tube 10 connects air compressor machine 1, and drill bit comprises draw-in groove 20, spline 32, annular groove 23 and ball meshing golden 16.Its key technology is that drilling rod is double-wall drill pipe 7, comprises core barrel 12 and outer tube 18, and core barrel 12 is connected with outer tube by joint 17 connections; Drill bit is reverse circulation drill bit 9, the drill bit end has unloads wind groove 19, bit central has through hole 21, through hole 21 communicates with core barrel 12, being provided with diffusion groove 24 bottom drill bit communicates with through hole 21, have end spray orifice 8 at the drill bit inwall and communicate with diffusion groove 24, end spray orifice 8 and through hole 21 isolation have interior spray orifice 22 and communicate with end spray orifice 8 on the perforation hole wall; Connect dust bags 5 in core barrel 12 upper ends by scum pipe 4.
Non retern valve 11 is installed between the end of lining 15 and outer tube 18, in order to distribute gases at high pressure, is prevented that landwaste from pouring in down a chimney into supply air line.
Described core barrel 12 is connected by swan-neck bent tube 3 with scum pipe 4.
Described dust bag 5 has bag 27, the sealing two ends of bag 27, and a sealing end is provided with slag notch 25 therein, has control of dust aperture 29 at another sealing end, and control of dust aperture 29 connects scum pipes 28, and scum pipe 28 connects airducts 31 by blast connection 30.
Described bag 27 adopts terylene non-woven fabric to make.
The course of work of the present invention is as follows:
High-pressure blast is after driving the down-hole hammer acting, under the effect of unloading wind groove 19, useless wind is along impactor outer wall and spline 32, arrival drill bit top, at the bottom of again along the drill bit outer wall to the hole, direction moves, and during spray orifice 22, wherein most wind enter through hole 21 along interior spray orifice in useless wind arrives, a small amount of wind moves at the bottom of still along outer wall to the hole, at the bottom of entering the hole along end spray orifice 8.Due to interior spray orifice 22 opening upwards, guiding wind moves up by force, because high-pressure blast has jet action, in interior spray orifice outlet position formation back suction, in causing in through hole, the following position of spray orifice outlet forms negative pressuren zone, make from form the zone of the suction that makes progress at the bottom of the hole to interior spout interlude, drive hole bed rock powder and catalase piece and move up.
When the wind that enters from end spray orifice arrives diffusion groove 24, because the bottom is the boring scar, the stifled wind direction surrounding of having stopped is moved, and wind can only be by moving to through hole at the bottom of the hole, carry rock dust, landwaste, sillar with back suction effect acting in conjunction and move to through hole, form whole anti-shuttling movement.The spray orifice that can see the bottom has to the effect of central passage ejection gas, the landwaste that the wind that enters from end spray orifice can the disturbance fragmentation, cooling drill bit.As long as simple grain rock dust (landwaste, sillar) be subject to upwards suction force and to the buoyancy sum of blowing up greater than simple grain rock dust gravity, rock dust just can move up, and is with at the end of portalling, and forms anti-circulation deslagging to scum pipe 4, collect finally by crossing 5 pairs of rock dust of dust bag, 26 grades, reach dust removing effects.The sillar that gravity is larger again repeat at the bottom of the hole fragmentation reach the floating condition just can be from hole on bottom.
Claims (6)
1. hollow hammer hole reverse circulation drilling dust collect plant, comprise hollow hammer hole, hollow hammer hole comprises the drill bit of drilling rod and drilling rod lower end, binary channels aqueous vapor tap (6) is installed in the drilling rod upper end, the upper installation high-voltage wind passage (2) of binary channels aqueous vapor tap (6), high-pressure blast passage (2) connects gas inlet rubber tube (10), gas inlet rubber tube (10) connects air compressor machine (1), drill bit comprises draw-in groove (20), spline (32), annular groove (23) and the meshing gold of ball (16), it is characterized in that drilling rod is double-wall drill pipe (7), comprise core barrel (12) and outer tube (18), core barrel (12) is connected 18 with outer tube) connect by joint (17), drill bit is reverse circulation drill bit (9), the drill bit end has unloads wind groove (19), bit central has through hole (21), through hole (21) communicates with core barrel (12), being provided with diffusion groove (24) bottom drill bit communicates with through hole (21), have end spray orifice (8) at the drill bit inwall and communicate with diffusion groove (24), end spray orifice (8) and through hole (21) isolation have interior spray orifice (22) and communicate with end spray orifice (8) on the perforation hole wall, connect dust bag (5) in core barrel (12) upper end by scum pipe (4).
2. hollow hammer hole reverse circulation drilling dust collect plant according to claim 1, it is characterized in that at outer tube (18) the outer wall cover of double-wall drill pipe (7) lower end, lining (15) being arranged, insert inner casing (13) and piston (14) in lining (15), realize the distribution of Compressed Gas, piston is moved back and forth, produce impact energy.
3. hollow hammer hole reverse circulation drilling dust collect plant according to claim 2 is characterized in that between the end of lining (15) and outer tube (18), non retern valve (11) being installed, in order to distribute gases at high pressure, prevents that landwaste from pouring in down a chimney into supply air line.
4. hollow hammer hole reverse circulation drilling dust collect plant according to claim 1, is characterized in that core barrel (12) is connected by swan-neck bent tube (3) with scum pipe (4).
5. hollow hammer hole reverse circulation drilling dust collect plant according to claim 1, it is characterized in that dust bag (5) has bag (27), the sealing two ends of bag (27), a sealing end is provided with slag notch (25) therein, have control of dust aperture (29) at another sealing end, control of dust aperture (29) connects scum pipe (28), and scum pipe (28) connects airduct (31).
6. hollow hammer hole clean-out machine dust bag according to claim 5, is characterized in that bag (27) adopts terylene non-woven fabric to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101023256A CN103147708A (en) | 2013-03-27 | 2013-03-27 | Through type down hole hammer reverse circulation drilling dust collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101023256A CN103147708A (en) | 2013-03-27 | 2013-03-27 | Through type down hole hammer reverse circulation drilling dust collection device |
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| Publication Number | Publication Date |
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| CN103147708A true CN103147708A (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013101023256A Pending CN103147708A (en) | 2013-03-27 | 2013-03-27 | Through type down hole hammer reverse circulation drilling dust collection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103147708A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541662A (en) * | 2013-11-08 | 2014-01-29 | 大连市勘察测绘研究院有限公司 | Novel full-hole reverse circulation down-hole hammer drill |
| CN103790513A (en) * | 2014-03-03 | 2014-05-14 | 北京南车时代机车车辆机械有限公司 | Deslagging device for pneumatic down-hole hammer |
| CN104514487A (en) * | 2013-09-30 | 2015-04-15 | 周升风 | Reverse circulation drilling device and process for soft projecting coal seam |
| CN104989287A (en) * | 2014-12-02 | 2015-10-21 | 成都宸鸿科技有限公司 | Multipurpose drill pipe |
| CN104989390A (en) * | 2015-06-12 | 2015-10-21 | 太原钢铁(集团)有限公司 | Multilayer goaf one-step detection drill-lifting-free synchronous scanning method |
| CN105781419A (en) * | 2016-04-28 | 2016-07-20 | 重庆大学 | Injection type suction drilling tool for cutting removal of drilling center of weak formation and using method of drilling tool |
| CN106320972A (en) * | 2016-09-05 | 2017-01-11 | 深圳市中科智诚科技有限公司 | IOT-based high efficiency jack hammer |
| CN107035329A (en) * | 2017-05-27 | 2017-08-11 | 重庆泛嘉晟禾工程技术检测有限公司 | A kind of coal mine gas extraction borehole presses wind reacting cycle inward turning emitter |
| CN107916668A (en) * | 2017-11-28 | 2018-04-17 | 北京旭日汇安工程技术有限公司 | The method for dismantling pile crown |
| CN109235428A (en) * | 2018-11-23 | 2019-01-18 | 广东省水利水电第三工程局有限公司 | A kind of hydraulic engineering bored concrete pile based on gas lift reverse circulation borehole cleaning |
| CN110029938A (en) * | 2018-01-12 | 2019-07-19 | 中石化石油工程技术服务有限公司 | A kind of air reverse circulation drilling method |
| CN111502538A (en) * | 2020-04-26 | 2020-08-07 | 广东省怡合建设有限公司 | Gas lift pore-forming construction method for building construction drilling |
| CN111945757A (en) * | 2020-08-14 | 2020-11-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Upward-inclined self-advancing type slope drainage steel pipe structure and construction method |
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2013
- 2013-03-27 CN CN2013101023256A patent/CN103147708A/en active Pending
Patent Citations (5)
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| CN2084977U (en) * | 1991-02-01 | 1991-09-18 | 河北煤田地质勘探公司 | Dual-wall drill rod for anti-circulation drilling of pneumatic hidden-hole hammer |
| JP2000087676A (en) * | 1998-09-09 | 2000-03-28 | Koken Boring Mach Co Ltd | Double tube swivel |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514487A (en) * | 2013-09-30 | 2015-04-15 | 周升风 | Reverse circulation drilling device and process for soft projecting coal seam |
| CN103541662B (en) * | 2013-11-08 | 2016-03-30 | 大连市勘察测绘研究院有限公司 | A kind of Novel full-hole reverse circulation down-hole hammer drill |
| CN103541662A (en) * | 2013-11-08 | 2014-01-29 | 大连市勘察测绘研究院有限公司 | Novel full-hole reverse circulation down-hole hammer drill |
| CN103790513A (en) * | 2014-03-03 | 2014-05-14 | 北京南车时代机车车辆机械有限公司 | Deslagging device for pneumatic down-hole hammer |
| CN103790513B (en) * | 2014-03-03 | 2016-02-24 | 北京南车时代机车车辆机械有限公司 | Pneumatic down-hole hammer slag-draining device |
| CN104989287A (en) * | 2014-12-02 | 2015-10-21 | 成都宸鸿科技有限公司 | Multipurpose drill pipe |
| CN104989390B (en) * | 2015-06-12 | 2017-10-10 | 太原钢铁(集团)有限公司 | Disposably detection does not put forward brill synchronous scanning method in multilayer goaf |
| CN104989390A (en) * | 2015-06-12 | 2015-10-21 | 太原钢铁(集团)有限公司 | Multilayer goaf one-step detection drill-lifting-free synchronous scanning method |
| CN105781419B (en) * | 2016-04-28 | 2018-07-20 | 重庆大学 | For broken ground drilling center deslagging injection type suction drilling tool and its application method |
| CN105781419A (en) * | 2016-04-28 | 2016-07-20 | 重庆大学 | Injection type suction drilling tool for cutting removal of drilling center of weak formation and using method of drilling tool |
| CN106320972A (en) * | 2016-09-05 | 2017-01-11 | 深圳市中科智诚科技有限公司 | IOT-based high efficiency jack hammer |
| CN107035329A (en) * | 2017-05-27 | 2017-08-11 | 重庆泛嘉晟禾工程技术检测有限公司 | A kind of coal mine gas extraction borehole presses wind reacting cycle inward turning emitter |
| CN107916668A (en) * | 2017-11-28 | 2018-04-17 | 北京旭日汇安工程技术有限公司 | The method for dismantling pile crown |
| CN110029938A (en) * | 2018-01-12 | 2019-07-19 | 中石化石油工程技术服务有限公司 | A kind of air reverse circulation drilling method |
| CN109235428A (en) * | 2018-11-23 | 2019-01-18 | 广东省水利水电第三工程局有限公司 | A kind of hydraulic engineering bored concrete pile based on gas lift reverse circulation borehole cleaning |
| CN111502538A (en) * | 2020-04-26 | 2020-08-07 | 广东省怡合建设有限公司 | Gas lift pore-forming construction method for building construction drilling |
| CN111945757A (en) * | 2020-08-14 | 2020-11-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Upward-inclined self-advancing type slope drainage steel pipe structure and construction method |
| CN111945757B (en) * | 2020-08-14 | 2022-03-11 | 中国电建集团贵阳勘测设计研究院有限公司 | Upward-inclined self-advancing type slope drainage steel pipe structure and construction method |
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Application publication date: 20130612 |
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