CN104832082B - Pneumatic DTH hammer reverse circulation slagging construction process for rotary drilling rig - Google Patents
Pneumatic DTH hammer reverse circulation slagging construction process for rotary drilling rig Download PDFInfo
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- CN104832082B CN104832082B CN201510089161.7A CN201510089161A CN104832082B CN 104832082 B CN104832082 B CN 104832082B CN 201510089161 A CN201510089161 A CN 201510089161A CN 104832082 B CN104832082 B CN 104832082B
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- mud
- hole
- hole hammer
- reverse circulation
- gas
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/18—Pipes provided with plural fluid passages
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
- E21B21/106—Valve arrangements outside the borehole, e.g. kelly valves
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a pneumatic DTH hammer reverse circulation slagging construction process for a rotary drilling rig. According to the pneumatic DTH hammer reverse circulation slagging construction process, a direct circulation DTH hammer is arranged on the rotary drilling rig; mud is utilized to protect the wall of a hole; a water faucet used for slagging and providing a gas source for a drill pipe and the DTH hammer, and a direct and reverse circulation conversion device used for removing slag generated by the drilling of the direct circulation DTH hammer through utilizing a reverse circulation work method are additionally arranged in an overall transmission work device; the water faucet is installed at the upper end of the drill pipe; the direct and reverse circulation conversion device is installed between the drill pipe and the direct circulation DTH hammer; and with a reverse circulation construction process adopted, gas lifting is utilized to suck and circulate the wall protecting mud and carry the slag, so that the slag can be discharged from the hole along the inner cavity of the direct and reverse circulation conversion device, the inner cavity of the drill pipe and the slag discharge pipeline of the water faucet; the direct circulation DTH hammer can be utilized to realize the reverse circulation slagging construction process; the mud is adopted to protect the wall of the hole, and therefore, construction cost can be greatly reduced, and pollution and damage to the environment can be reduced.
Description
Technical field
The present invention relates to a kind of construction technology for rotary drilling rig, specifically a kind of aeratic hidden hole for rotary drilling rig
Hammer reacting cycle tap cinder construction technique, belongs to rotary drilling rig technical field.
Background technology
At present, rotary drilling rig, when ground consisting of hard rock drilling is carried out, is to improve efficiency of construction to configure pneumatic latent on fuselage
Drift equipment, pneumatic down-hole hammer mainly by the residual air of pressure-air, fractured rock chip is blown out and applied outside hole
Work.Existing down-hole hammer is divided into direct circulation down-hole hammer and reverse circulation down-the-hole hammer, and generally, direct circulation down-hole hammer uses direct circulation
Construction technology, reverse circulation down-the-hole hammer uses reverse circulation construction technique.Wherein, direct circulation construction technology is referred to by rig slewing equipment
Drilling rod and the broken ground of drill bit revolution cutting are driven, then mud is input into from slush pump toward drilling rod, mud rises along drilling rod hole wall, from
Aperture is overflowed and flows into mud pit, and Jing precipitations finally return to circulatory pool.And reverse circulation construction technique is referred to by rig slewing equipment band
Dynamic drilling rod and the broken ground of drill bit revolution cutting, then using the measures such as pumping, gaslift, injection suction circulation slurry coat method, folder
The forming hole method outside hole is suctioned out by drilling rod inner chamber with boring mud.
It is larger in view of the bore diameter of rotary drilling rig, and the diameter of the down-hole hammer of major diameter direct circulation in the market is maximum
It is reachable 2 meters, diameter most 0.3 meter or so of the great talent of reverse circulation down-the-hole hammer, it is seen then that direct circulation down-hole hammer disclosure satisfy that rotary drilling rig pair
The requirement of bore diameter, and reverse circulation down-the-hole hammer is not particularly suited for rotary drilling rig, therefore when using cooperatively with rotary drilling rig, typically
It is more using direct circulation down-hole hammer.If however, using direct circulation down-hole hammer, can naturally take direct circulation construction technology to enter
Row construction, to prevent collapse hole, it is necessary to full casing sleeve pipe follow-up construction is set, cost is which not only adds, and institute's deslagging is not
Easily collect, environmental pollution is larger.If on the contrary, when carrying out deslagging using reverse circulation construction technique, can centralized collection slag, together
When, full casing construction can also be reduced by structure design, construction cost is reduced, direct circulation construction technology can be solved and brought
Problem, but there is presently no the precedent for implementing reverse circulation construction technique using direct circulation down-hole hammer, therefore how in construction
Realize that reacting cycle construction is the significant difficulty that pile foundation industry is studied always by direct circulation down-hole hammer during large aperture.
The content of the invention
For the problem that above-mentioned prior art is present, a kind of present invention pneumatic down-hole hammer for rotary drilling rig of offer is counter to follow
Ring tap cinder construction technique, can implement reacting cycle tap cinder construction technique using direct circulation down-hole hammer, and using mud hole wall is protected, can
Construction cost is greatly reduced, while reducing pollution and destruction to environment.
To achieve these goals, a kind of pneumatic down-hole hammer reacting cycle for rotary drilling rig that the present invention is adopted is slagged tap and is applied
Work technique, the construction technology protects hole wall principle by configuring direct circulation down-hole hammer on rotary drilling rig using mud, while
In whole transmission equipment, increase for deslagging, the faucet to drilling rod and down-hole hammer offer source of the gas, for direct circulation to be dived
The reverse circulation conversion equipment of drift boring mud reacting cycle engineering method deslagging, and faucet is arranged on into drilling rod upper end, will just
Reacting cycle conversion equipment is arranged between drilling rod and direct circulation down-hole hammer, and down-the-hole is aspirated using gaslift using reverse circulation construction technique
Hammer drill slag, and carry boring mud slagging tap outside reverse circulation conversion equipment inner chamber, drilling rod inner chamber, faucet deslagging pipeline tap secretly
Technique.
A kind of pneumatic down-hole hammer reacting cycle tap cinder construction technique for rotary drilling rig, it is comprised the concrete steps that：
A, first, installs down-hole hammer equipment on rotary drilling rig, and the down-hole hammer equipment includes head and the tail successively
The faucet of connection, the drilling rod through unit head, reverse circulation conversion equipment and direct circulation down-hole hammer, the faucet, drilling rod
And be provided with reverse circulation conversion equipment for providing the down-hole hammer supply air line of source of the gas supply down-hole hammer work, for providing
Source of the gas realizes the gas lift reverse circulation supply air line of gas-lift slag discharging and the deslagging pipeline for discharging construction medium stone and debris, institute
State faucet and be connected with the steel wire rope being wrapped in rotary drilling rig on the gooseneck boom of brill mast guide rail top, meanwhile, by faucet
Down-hole hammer air supply pipe, gas lift reverse circulation air supply pipe, scum pipe and source of the gas offer device, receive the connection of slag device；
B, startup rotary drilling rig, arrange the rotary rpm of unit head, and transfer whole down-hole hammer equipment to down-hole hammer
Till drilling area is treated at tup contact ground, rock or drilling hole bottom；
Reacting cycle valve in c, unlatching source of the gas offer device, makes gas enter air lift reverse in faucet, then Jing faucet and follows
Gas lift reverse circulation supply air line is upper to reverse circulation conversion equipment exit direct circulation down-hole hammer in ring supply air line, drilling rod
Side, and keep continuing gas injection；
D, start to inject mud into drilling, the boring mud Jing reverse circulation conversion equipments bottom in mud and/or drilling
Slag inlet enters reverse circulation conversion equipment, and with reverse circulation conversion equipment in gas mixing, after mud and gas mixing
Density is reduced, and is sprayed upwards along reverse circulation conversion equipment, drilling rod and faucet inner chamber；
E, when having at faucet scum pipe lasting mud and/or boring mud discharge, open down-the-hole in source of the gas offer device
Hammer air-supplying valve, makes direct circulation down-hole hammer start working, and keeps continuing gas injection, and the disintegrating slag for being cut, impurity will be in down-hole hammers
In the presence of construction residual air, as the mud of bottom is constantly filled into reverse circulation conversion equipment inner chamber, and turn along reverse circulation
Changing device inner chamber, drilling rod inner chamber and faucet inner chamber be upwards outside tap,
F, receive slag device the boring mud that ejects and mud are collected, when hole depth to be drilled is to 2 meters or so, mud is returned
Hole wall protects hole, prevents collapse hole；
G, so circulation drilling until drilling depth reaches requirement, while constantly by outside the boring mud tap of bottom hole, finally
Bottom hole boring mud is all excluded.
Preferably, the boring mud and mud for receiving slag device to collecting while to boring mud and slurry collecting is carried out point
From, and the mud isolated is entered into mud pit, for being again filled with drilling.
Preferably, the source of the gas offer device is air compressor machine, and the receipts slag device is the collection slag car.
Preferably, before the work of direct circulation down-hole hammer is started, stratum soil layer surface can be crept into first with common drill bit,
It is reconfigured at direct circulation down-hole hammer when into rock stratum to be crushed or crept into.
The outside of the faucet is provided with can drilling machine mast is moved up and down along rotary drilling rig arbitrary-movement articulator.
Compared with prior art, the present invention on the basis of existing rotary drilling rig by configuring direct circulation down-hole hammer, increasing
Faucet and reverse circulation conversion equipment, while changing the internal structure of original drilling rod so as to change with faucet, reverse circulation
Device is equally provided with for providing the source of the gas down-hole hammer supply air line that supply down-hole hammer works, realizing that gaslift is arranged for providing source of the gas
The gas lift reverse circulation supply air line of slag and the deslagging pipeline for discharging construction medium stone and debris, so as to pass through, pore is counter to follow
Ring can reach outside boring mud extraction hole and realized the purpose of reacting cycle tap cinder construction technique using direct circulation down-hole hammer, and drill
The mud of interior injection can be dissolved in one with boring mud, and discharge together with boring mud, it is to avoid pollution of the dust to environment；The mud of injection
Slurry can be used to protect the retaining wall in hole, compared with steel pile casting retaining wall, considerably reduce construction cost.And, can be to ejecting
Mud and boring mud carry out separating treatment, and the mud after separation can be recycled, and it is of reduced contamination that mud is caused.Finally, the technique
Can be used for the major diameter construction of rotary drilling rig, improve work efficiency, reduce construction cost.Finally, using direct circulation down-hole hammer
Reacting cycle tap cinder construction technique is realized, using mud hole wall is protected, construction cost can be greatly reduced, while reducing to environment
Pollution and destruction.
Description of the drawings
Fig. 1 is a kind of rotary drilling rig schematic diagram for implementing the present invention；
Fig. 2 is the Construction Principle figure of the present invention；
Fig. 3 is the schematic diagram constructed to soil layer using normal drill bit；
Fig. 4 is the schematic diagram that the present invention starts gas lift reverse circulation supply；
Fig. 5 is the schematic diagram that the present invention starts slip casting；
Fig. 6 is the schematic diagram of deslagging of the present invention；
Fig. 7 is the connection diagram between faucet of the present invention and miscellaneous part；
Fig. 8 is the structural representation of faucet；
Fig. 9 is the sectional view of faucet；
Figure 10 is the part-structure schematic diagram of faucet；
Figure 11 is the structural representation of reverse circulation conversion equipment.
Figure 12 is the sectional view in Figure 11 at A-A；
Figure 13 is the structural representation of drilling rod；
Figure 14 is the sectional view in Figure 13 at A-A；
Figure 15 is the sectional view in Figure 13 at B-B.
In figure：1st, the slag car is collected, 2, air compressor machine, 3, scum pipe, 4, air inlet pipe, 5, gaslift air inlet pipe, 6, steel wire rope, 7, goose
Head, 8, faucet, 801, air cavity, 802, sealing, 803, bearing, 804, pivoting support, 805, bolt IV, 806, bolt III,
807th, air flue, 808, outer six square shafts assembly, 809, bolt II, 810, revolving body, 811, bolt I, 812, three-channel housing it is total
Into, 813, housing I, 814, transition body, 815, housing II, 816, housing III, 9, arbitrary-movement articulator, 10, drilling rod, 101, outer bar, 102,
Adapter cavity, the 103, the 3rd steel pipe, the 104, second steel pipe, the 105, first steel pipe, 11, unit head, 12, reverse circulation conversion equipment,
121st, short drill pipe, 122, adapter cavity, 123, gaslift supply pipe, 124, air inlet pipe I, 125, casing, 126, shield, 127, scum pipe
A, 128, curved air inlet pipe II, 129, mud hole, 13, rotary drilling rig, 14, direct circulation down-hole hammer, the 15, first bearing pin assembly, 16,
Hoisting frame, 17, slag notch, 18, gaslift air inlet, 19, air inlet, the 20, second bearing pin assembly, 21, outer six square joint, 22,
Three bearing pin assemblies, 23, interior six square joint, 24, sealing ring, 26, centre bore, 27, steel-tube seat, 28, oval hole slot.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described with specific embodiment.
As shown in Figures 1 to 5, a kind of pneumatic down-hole hammer reacting cycle tap cinder construction technique for rotary drilling rig, the construction
Technique protects hole wall principle by configuring direct circulation down-hole hammer 14 on rotary drilling rig using mud, while in whole transmission work
Make in device, increase for deslagging, the faucet 8 to drilling rod and down-hole hammer offer source of the gas, for direct circulation down-hole hammer to be bored
The boring mud reverse circulation conversion equipment 12 of reacting cycle engineering method deslagging, and faucet 8 is arranged on into the upper end of drilling rod 10, follow positive and negative
Ring conversion equipment 12 is arranged between drilling rod 10 and direct circulation down-hole hammer 14, latent using gaslift suction using reverse circulation construction technique
Drift boring mud, and carry boring mud going out outside reverse circulation conversion equipment inner chamber, drilling rod inner chamber, faucet deslagging pipeline tap secretly
Slag technique.
As shown in Figures 1 to 6, a kind of pneumatic down-hole hammer reacting cycle tap cinder construction technique for rotary drilling rig, its is concrete
Step is：
A, first, installs down-hole hammer equipment on rotary drilling rig 13, the down-hole hammer equipment include head and the tail according to
The faucet 8 of secondary connection, the drilling rod 10 through unit head, reverse circulation conversion equipment 12 and direct circulation down-hole hammer 14, the water
It is provided with the down-hole hammer for providing source of the gas supply down-hole hammer work on tap 6, drilling rod 10 and reverse circulation conversion equipment 12 to supply
Air pipe, for providing gas lift reverse circulation supply air line that source of the gas realizes gas-lift slag discharging and for discharging construction medium stone and miscellaneous
The deslagging pipeline of thing, the faucet 8 connects with the steel wire rope 6 being wrapped in rotary drilling rig 13 on the gooseneck boom of brill mast guide rail top
Connect, meanwhile, by the down-hole hammer air supply pipe in faucet 8, gas lift reverse circulation air supply pipe, scum pipe and source of the gas offer device, receive slag
Device connects；Wherein, source of the gas offer device, receipts slag device can be respectively adopted air compressor machine 2, the collection slag car 1；
B, start rotary drilling rig 13, the rotary rpm of unit head is set, and transfer whole down-hole hammer equipment to just following
Till drilling area is treated at the tup contact ground of ring down-hole hammer 14, rock or drilling hole bottom；
Reacting cycle valve on c, unlatching air compressor machine 2, makes gases at high pressure enter air lift reverse in faucet 8, then Jing faucet 8 and follows
Gas lift reverse circulation supply air line is to the exit direct circulation down-hole hammer 14 of reverse circulation conversion equipment 12 in ring supply air line, drilling rod 10
Top, and keep continue gas injection；
D, start to inject mud into drilling, the bottom of boring mud Jing reverse circulations conversion equipment 12 in mud and/or drilling
Slag inlet enter reverse circulation conversion equipment 12, and mix with the gases at high pressure in reverse circulation conversion equipment 12, mud and
Density is reduced after gases at high pressure mixing, is sprayed in the scum pipe road direction in reverse circulation conversion equipment 12, drilling rod 10 and faucet 8
Go out；
E, when having at the scum pipe of faucet 8 lasting mud and/or boring mud discharge, open down-hole hammer supply on air compressor machine
Valve, the down-hole hammer supply air line in gases at high pressure Jing faucet 8, drilling rod 10 and reverse circulation conversion equipment 12 enters direct circulation
Down-hole hammer 14, makes direct circulation down-hole hammer 14 start working, and keeps continuing gas injection, and the disintegrating slag for being cut, impurity will be in down-hole hammers
In the presence of construction residual air and gas lift reverse circulation supply air line inner high voltage gas, as the carrying of bottom mud is constantly filled into
The inner chamber of reverse circulation conversion equipment 12, and discharge in the scum pipe road direction on reverse circulation conversion equipment, drilling rod and faucet
Outside hole,
F, the collection slag car 1 can be collected to the boring mud that ejects and mud, and when hole depth to be drilled is to 2 meters or so, mud is returned
Hole wall protection hole is gone back to, collapse hole is prevented；
G, so circulation drilling until drilling depth reaches requirement, while constantly by outside the boring mud tap at drilling hole bottom,
Most at last bottom hole boring mud is all excluded.
Preferably, the boring mud and mud for receiving slag device to collecting while to boring mud and slurry collecting is carried out point
From, and the mud isolated is entered into mud pit, and it is filled in drilling for being utilized again, reduce further and be constructed into
This.
Preferably, before the work of direct circulation down-hole hammer is started, stratum soil layer surface can be crept into first with common drill bit,
It is reconfigured at direct circulation down-hole hammer when into rock stratum to be crushed or crept into.
In order to improve borehole accuracy, arbitrary-movement articulator 9, one end of arbitrary-movement articulator 9 and water can be installed in the outside of the faucet 8
Tap 8 connects, and the other end is arranged in rotary drilling rig on drilling machine mast, and with the folding and unfolding of steel wire rope 6, arbitrary-movement articulator 9 is together with the fire hose
8 grade parts can be slided up and down along drilling machine mast, and it is oriented to more preferable, and it is precision to improve drilling.
As shown in Figure 7 to 10, the faucet 8 for adopting in above-mentioned construction technology may include three-channel housing assembly 812,
Revolving body 810, three-channel housing assembly 812 is set to be connected with revolving body 810 with the bearing 803 of the relative motion of revolving body 810
The outer six square shaft assemblies 808 of output and inner ring is fixed on arbitrary-movement articulator 9, the revolution of outer six square shaft assemblies 808 is fixed in outer ring
804 are held, the three-channel housing assembly 812 includes housing I 813, housing II 815 and housing III 816；Housing I 813 is provided with
Scum hole and ring flange, construction medium stone and debris can be discharged by scum hole, and ring flange is by bolt and packing ring and transition body
814 connections；The lower end of transition body 814 is fixed by bolt and packing ring with housing II 815, and housing II 815 is provided with gas lift reverse circulation
Supply hole, gas lift reverse circulation supply hole can provide source of the gas in construction, realize gas-lift slag discharging；The lower end of housing II 815 is also by spiral shell
Bolt and packing ring are fixed with housing III 816, and housing III 816 is provided with down-hole hammer air inlet, and in construction, down-hole hammer air inlet can use
Work in source of the gas supply down-hole hammer is provided.The scum hole, gas lift reverse circulation supply hole and down-hole hammer air inlet position are mounted on
Pipeline, and the slag notch respectively as faucet, gaslift air inlet, air inlet.
The three-channel housing assembly 812 is fixed on arbitrary-movement articulator 9 by bolt I811 and packing ring I, is set on arbitrary-movement articulator 9
There is bearing that seam is installed；The outer ring of the bearing 803 is installed seam and is coordinated with the bearing of arbitrary-movement articulator 9, and inner ring coordinates with revolving body 810
Install, make three-channel housing assembly 812 and arbitrary-movement articulator 9 not rotate；Revolving body 810 and three-channel housing assembly
Rotatory sealing is provided between 812, not only can seal each passage source of the gas leakage, can also make revolving body 810 with it is three-channel
Can mutual relative motion between housing assembly 812；Revolving body 810 is by bolt II809 and packing ring II and outer six square shafts assembly 808
It is connected, is designed with installing hole on six square shaft assemblies 808 outward, outer six square shaft assembly 808 can be made to connect with the outer ring of pivoting support 804
Connect, blending bolt III806 and packing ring II are fixed, the inner ring of pivoting support 804 is fixed on servo-actuated by bolt IV805 and packing ring IV
On frame 9；Outer six square shafts assembly 808 is provided with outer six square joint used cooperatively with six square joints in the end of drilling rod 10, and inside and outside six
Connected by bearing pin between square joint, and whole source of the gas is sealed by sealing ring.
As is illustrated by figs. 11 and 12, the reverse circulation conversion equipment 12 for adopting in above-mentioned construction technology may include short drill pipe
121st, supply air line and dreg removing system；The upper end of the short drill pipe 121 is provided with interior six square joint, and lower end is provided with outer six square joints；
The gaslift supply pipe 123 connected with interior six square joint for gas-lift slag discharging is provided with the short drill pipe 121；The supply air line bag
Air inlet pipe I 124, adapter cavity 122 and curved air inlet pipe II 128 are included, the upper end of air inlet pipe I 124 is connect by adapter cavity 122 with interior six side
Head connection, the lower end of air inlet pipe I 124 connects curved air inlet pipe II 128, the connection of curved air inlet pipe II 128 outer six by adapter cavity 122
Square joint；The dreg removing system includes that mud hole 129 and scum pipe a127, the scum pipe a127 are arranged in short drill pipe 121,
And connect with interior six square joint, the bottom of short drill pipe 121 offers some mud holes 129 connected with scum pipe a127.
The reverse circulation conversion equipment 12 can realize the conversion of reverse circulation deslagging engineering method, so as to realize utilizing direct circulation
Down-hole hammer realizes the purpose of reacting cycle tap cinder construction technique.If reverse circulation conversion equipment 12 is removed, by direct circulation down-hole hammer
14 are directly connected on drilling rod 10, and when corresponding gas lift reverse circulation air inlet is shut, are capable of achieving just using two other passage
Circulation construction.The course of work：Unit head 11 drives drilling rod 10 and the broken ground of the revolution cutting of direct circulation down-hole hammer 14, cuts broken
Gap of the stone between drilling rod 10 and hole wall rises, and overflows from aperture.
Down-hole hammer supply air line, gas lift reverse circulation supply air line and deslagging pipeline and the faucet opened up in the drilling rod 10
8th, corresponding pipeline is communicated on reverse circulation conversion equipment 12, and as shown in Figure 13 to 15, the drilling rod 10 may include hollow outer
Bar 101, the two ends of the outer bar 101 are connected with respectively interior six square joint and outer six square joint of centre bore 26, described inside and outside
Steel-tube seat 27 is equipped with the centre bore of six square joints, the periphery of centre bore is provided with oval hole slot 28 on inside and outside six square joint；Institute
State the inner side two ends of outer bar 101 and be provided with the cylindrical transition chamber 102 concentric with outer bar 101, the outer bar 101 is interior to be cased with placement with one heart
And traverse the first steel pipe 105 of two sections of adapter cavities 102, the two ends of the first steel pipe 105 respectively with the centre bore of inside and outside six square joint
Docking；The of two sections of adapter cavities 102 of connection is disposed with ring-shaped cylinder cavity between the steel pipe 105 of the outer bar 101 and first
Two steel pipes 104；The 3rd steel pipe 103 for crossing the first steel pipe 105, the 3rd steel pipe 103 are disposed with first steel pipe 105
One end insertion in steel-tube seat in six square joint centre bores, the other end passes the steel-tube seat in outer six square joint centre bores；Institute
State two sections of adapter cavities 102 to connect with the oval hole slot on inside and outside six square joint respectively；The slotted hole of inside and outside six square joint
Groove, 102 and second steel pipe of adapter cavity 104 form down-hole hammer supply air line；3rd steel pipe 103 and inside and outside six square joint
Steel-tube seat formed gas lift reverse circulation pipeline；The centre bore and the first steel pipe 105 and the 3rd steel pipe of inside and outside six square joint
Cavity between 103 forms deslagging pipeline.
As seen from the above analysis, the present invention by increase on the basis of existing rotary drilling rig mainly by faucet, pass through
The down-hole hammer equipment of the drilling rod, reverse circulation conversion equipment and direct circulation down-hole hammer composition of unit head, wherein, faucet,
It is provided with drilling rod and reverse circulation conversion equipment for providing the down-hole hammer supply air line of source of the gas supply down-hole hammer work, being used for
Gas lift reverse circulation supply air line and the scum pipe for discharging construction medium stone and debris that source of the gas realizes gas-lift slag discharging are provided
Road, reacting cycle tap cinder construction work can be realized by pore reacting cycle by outside boring mud extraction hole, having reached using direct circulation down-hole hammer
The purpose of skill, and the mud of injection can be dissolved in one with boring mud in drilling, and discharge together with boring mud, it is to avoid dust is to environment
Pollution；The mud of injection can be used to protect the retaining wall in hole, compared with steel pile casting retaining wall, considerably reduce construction cost.And
And, separating treatment can be carried out to the mud that ejects and boring mud, the mud after separation can be recycled, the pollution that mud is caused compared with
It is few.Finally, the technique can be used for the major diameter construction of rotary drilling rig, improve work efficiency, reduce construction cost.Finally, can profit
Reacting cycle tap cinder construction technique is realized with direct circulation down-hole hammer, using mud hole wall is protected, construction cost can be greatly reduced, while
Reduce the pollution to environment and destruction.
Claims (5)
1. a kind of pneumatic down-hole hammer reacting cycle tap cinder construction technique for rotary drilling rig, it is characterised in that rotary drilling rig is pneumatic
Down-the-hole hammer reverse circulating tap cinder construction technique is former using mud protection hole wall by configuring direct circulation down-hole hammer on rotary drilling rig
Reason, while in whole transmission equipment, increasing for deslagging, to drilling rod and down-hole hammer and providing the faucet of source of the gas, be used for
By the reverse circulation conversion equipment of direct circulation down-hole hammer boring mud reacting cycle engineering method deslagging, and faucet is arranged on into drilling rod
Upper end, reverse circulation conversion equipment is arranged between drilling rod and direct circulation down-hole hammer, and using reverse circulation construction technique gas is utilized
Suction down-hole hammer boring mud is lifted, and carries boring mud secretly and discharged along reverse circulation conversion equipment inner chamber, drilling rod inner chamber, faucet deslagging pipeline
Technique of slagging tap outside hole；
The pneumatic down-hole hammer reacting cycle tap cinder construction technique of the rotary drilling rig is comprised the concrete steps that：
A, first, installs down-hole hammer equipment on rotary drilling rig, and the down-hole hammer equipment includes that head and the tail are sequentially connected
Faucet, the drilling rod through unit head, reverse circulation conversion equipment and direct circulation down-hole hammer, the faucet, drilling rod and just
It is provided with reacting cycle conversion equipment for providing the down-hole hammer supply air line of source of the gas supply down-hole hammer work, for providing source of the gas
Realize the gas lift reverse circulation supply air line and the deslagging pipeline for discharging construction medium stone and debris of gas-lift slag discharging, the water
Tap bores the steel wire rope on the gooseneck boom of mast guide rail top and is connected with being wrapped in rotary drilling rig to be located at, meanwhile, will be in faucet dive
Drift air supply pipe, gas lift reverse circulation air supply pipe, scum pipe and source of the gas offer device, the device connection of receipts slag；
B, startup rotary drilling rig, arrange the rotary rpm of unit head, and transfer whole down-hole hammer equipment to down-hole hammer tup
Till drilling area is treated at contact ground, rock or drilling hole bottom；
Reacting cycle valve in c, unlatching source of the gas offer device, makes gas enter gas lift reverse circulation in faucet, then Jing faucet and supplies
The top of gas lift reverse circulation supply air line to reverse circulation conversion equipment exit direct circulation down-hole hammer in air pipe, drilling rod, and
Keep continuing gas injection；
D, start to inject mud into drilling, the slag input of the boring mud Jing reverse circulation conversion equipments bottom in mud and/or drilling
Mouthful enter reverse circulation conversion equipment, and with reverse circulation conversion equipment in gas mixing, density after mud and gas mixing
Reduce, spray upwards along reverse circulation conversion equipment, drilling rod and faucet inner chamber；
E, when having at faucet scum pipe lasting mud and/or boring mud discharge, open down-hole hammer in source of the gas offer device and supply
Air valve, makes direct circulation down-hole hammer start working, and keeps continuing gas injection, and the disintegrating slag for being cut, impurity will construct in down-hole hammer
In the presence of residual air, as the mud of bottom is constantly filled into reverse circulation conversion equipment inner chamber, and along reverse circulation converting means
Inner chamber, drilling rod inner chamber and faucet inner chamber are put upwards outside tap；
F, receive slag device the boring mud that ejects and mud are collected, when hole depth to be drilled is to 2 meters or so, mud returns hole wall
Protection hole, prevents collapse hole；
G, so circulation drilling until drilling depth reaches requirement, while constantly by outside the boring mud tap of bottom hole, most hole at last
Subdrilling slag is all excluded.
2. a kind of pneumatic down-hole hammer reacting cycle tap cinder construction technique for rotary drilling rig according to claim 1, it is special
Levy and be, the boring mud and mud for receiving slag device to collecting while to boring mud and slurry collecting is separated, and will be divided
The mud for separating out enters mud pit, for being again filled with drilling.
3. a kind of pneumatic down-hole hammer reacting cycle tap cinder construction technique for rotary drilling rig according to claim 1, it is special
Levy and be, the source of the gas offer device is air compressor machine, the receipts slag device is the collection slag car.
4. a kind of pneumatic down-hole hammer reacting cycle tap cinder construction technique for rotary drilling rig according to claim 1, it is special
Levy and be, before the work of direct circulation down-hole hammer is started, first with common drill bit drilling stratum soil layer surface, rock stratum to be entered
When be reconfigured at direct circulation down-hole hammer and crushed or crept into.
5. a kind of pneumatic down-hole hammer reacting cycle tap cinder construction technique for rotary drilling rig according to claim 1, it is special
Levy and be, the outside of the faucet is provided with can drilling machine mast is moved up and down along rotary drilling rig arbitrary-movement articulator.
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| CN105178897B (en) * | 2015-10-10 | 2018-03-30 | 中国石油集团川庆钻探工程有限公司 | Gas drilling ground manifold connection structure |
| CN105401879B (en) * | 2015-12-03 | 2018-01-02 | 山河智能装备股份有限公司 | Reacting cycle pneumatic down-hole hammer rotary drilling rig and its construction method |
| CN105672890B (en) * | 2016-03-24 | 2017-10-31 | 四川深远石油钻井工具股份有限公司 | One kind aspirates the core drilling drill bit that declines |
| US10337249B2 (en) | 2017-02-04 | 2019-07-02 | Jason A Hatfield | Drilling wells with air |
| CN107724953A (en) * | 2017-09-27 | 2018-02-23 | 孙志勤 | The down-the-hole hammer reverse circulating drilling process construction method of Fluid Sealing |
| CN115059462B (en) * | 2020-04-10 | 2023-02-14 | 中国地质科学院探矿工艺研究所 | Technological method of air reverse circulation continuous sampling drilling system |
| CN111502536A (en) * | 2020-05-19 | 2020-08-07 | 杨俊志 | A down-the-hole hammer drilling rig |
| CN112196464A (en) * | 2020-11-04 | 2021-01-08 | 清远中科振宇机械有限公司 | Rotary drilling rig and construction method thereof |
| CN113338796A (en) * | 2021-05-30 | 2021-09-03 | 江苏金亚益重工科技有限公司 | Ultra-large torque pump suction and gas lift reverse circulation drilling machine |
| CN113340655B (en) * | 2021-07-09 | 2022-06-17 | 中电建路桥集团有限公司 | Exploration hole sampling device and control method |
| CN113309479B (en) * | 2021-07-12 | 2022-06-24 | 中国地质科学院勘探技术研究所 | Efficient coring drilling device and method for shallow sea reef limestone |
| CN113638686B (en) * | 2021-08-23 | 2025-03-28 | 山东振业机械有限公司 | A method for forming a hole by using a bundled impact slurry carrier to protect the wall |
| CN117248817B (en) * | 2023-11-17 | 2024-03-26 | 亚核智造(江苏)科技有限公司 | Positive-circulation rotary drilling rig and construction method thereof |
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| CN2048509U (en) * | 1988-11-16 | 1989-11-29 | 长春地质学院 | Hollow pneumatic cable core-taking hammer |
| JP3850997B2 (en) * | 1998-09-07 | 2006-11-29 | 鹿島建設株式会社 | Pollution prevention / slip receiving device for drilling equipment |
| CN101864895A (en) * | 2010-06-04 | 2010-10-20 | 中国地质大学（北京） | Positive Circulation Drilling Dust Removal Technology for DTH Hammer in Cavern |
| CN101975037A (en) * | 2010-09-26 | 2011-02-16 | 中国石油化工股份有限公司 | Method and device for conversing direct and reverse circulations of workover fluid in oil well |
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