CN113107355A - Swinging and rotating mud reverse circulation down-the-hole hammer drill and use method thereof - Google Patents
Swinging and rotating mud reverse circulation down-the-hole hammer drill and use method thereof Download PDFInfo
- Publication number
- CN113107355A CN113107355A CN202110551799.3A CN202110551799A CN113107355A CN 113107355 A CN113107355 A CN 113107355A CN 202110551799 A CN202110551799 A CN 202110551799A CN 113107355 A CN113107355 A CN 113107355A
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- CN
- China
- Prior art keywords
- hole hammer
- drilling
- hole
- drill
- mud
- 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.)
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Links
- 238000005553 drilling Methods 0.000 claims abstract description 105
- 239000002893 slag Substances 0.000 claims abstract description 33
- 239000011435 rock Substances 0.000 claims abstract description 15
- 239000002002 slurry Substances 0.000 claims description 31
- 239000002965 rope Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000001681 protective Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002633 protecting Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
Abstract
The invention discloses a swinging and rotating mud reverse circulation down-the-hole hammer drill and a use method thereof. The drilling machine consists of a drilling machine using a telescopic drill rod, a cluster down-the-hole hammer and an air compressor. The drill drives the cluster down-the-hole hammer to swing and rotate, the telescopic drill rod quickly lifts the drill bit, slag discharge is in a mud gas-lift reverse circulation mode, and a mud protective wall prevents a covering layer from collapsing holes without a protective cylinder to follow. The invention overcomes the defects that the air circulation slag discharge of the down-the-hole hammer drill in the prior art is easy to collapse, a protective cylinder is required to follow, and the geological requirement is strict; the drilling machine has the advantages of small type, low equipment cost, no need of casing follow-up for mud wall protection, ultra-fast drilling speed of hard rock, ultra-low comprehensive cost and capability of constructing ultra-large diameter rock-entering pile holes of ultra-deep covering layers, and the telescopic drill rod is matched with the down-the-hole hammer for drilling. The invention also discloses a use method of the swinging rotary mud reverse circulation down-the-hole hammer drill.
Description
Technical Field
The invention relates to the technical field of a submersible cluster hole hammer drilling machine, in particular to a swinging rotary mud reverse circulation down-the-hole hammer drilling machine. The invention also discloses a use method of the swinging and rotating mud reverse circulation down-the-hole hammer drill.
Background
The existing telescopic drill rod down-the-hole hammer drilling machine adopts air circulation as deslagging, the air circulation is used for discharging drilling slag to scour the hole wall to cause hole collapse, a mud retaining wall function is not provided, a retaining cylinder is required to follow, the retaining cylinder is slow in following speed and high in cost, the comprehensive construction speed is reduced, the construction cost is greatly increased, the defect that a deep covering layer rock-entering drilling pile cannot be constructed exists, and the large-area popularization cannot be realized.
Therefore, the development of a mud circulation down-the-hole hammer drilling machine which has the advantages of low equipment manufacturing cost, large drilling diameter, no need of a pile casing to follow, high construction speed and low cost and can construct a large-diameter ultra-deep overburden rock-entering drilling pile is needed.
Disclosure of Invention
The invention aims to provide a swinging and rotating mud reverse circulation down-the-hole hammer drill which is a basement rock soil drilling machine, and the equipment can be used for constructing large-diameter ultra-deep overburden rock-entering drill holes; the defects that the full casing follow-up cost of the existing telescopic drill rod down-the-hole hammer drilling machine is high, and an ultra-deep covering rock-entering drilling pile cannot be constructed are overcome.
The second purpose of the invention is to provide the using method of the swinging rotary mud reverse circulation down-the-hole hammer drill, which has the advantages of low equipment cost, high construction speed and low cost.
In order to achieve the first object of the present invention, the technical solution of the present invention is: the utility model provides a swing rotatory mud reverse circulation down-the-hole hammer rig which characterized in that: the device comprises a cluster down-the-hole hammer, a pile frame, a power head, a drill rod, a slurry discharge pipe, an air inlet pipe, an air outlet pipe, a steel wire rope and a drilling machine;
the drill rod is a multi-layer telescopic drill rod, the power head provides torque for the drill rod, and the drill rod swings and rotates left and right by 180 degrees during drilling;
the slurry discharge pipe enters the drill hole and is connected with the cluster down-the-hole hammer;
the air inlet pipe and the air outlet pipe enter a drill hole and are connected with the cluster down-the-hole hammer;
in the scheme, each single down-the-hole hammer on the cluster down-the-hole hammer is provided with a closed outer sleeve, all exhaust of the collected down-the-hole hammer is discharged into the exhaust pipe, and no exhaust hole is formed in the bottom of the down-the-hole hammer;
in the scheme, the drilling machine is various drilling machines using telescopic drill rods or a drilling machine simply modified by a crawler crane, and the structure of the drilling machine modified by the crawler crane comprises the crawler crane, the pile frame and the power head;
in the scheme, the swinging rotary slurry reverse circulation down-the-hole hammer drill is used for protecting the hole wall by adopting a slurry wall protection method in the process of geological drilling with a covering layer without the need of a pile casing to follow;
in order to achieve the second purpose of the invention, the invention provides a using method of the rotary drilling rig of the swinging rotary mud reverse circulation down-the-hole hammer, which is characterized in that: comprises the following steps of (a) carrying out,
the method comprises the following steps: assembling;
communicating the slurry discharge pipe with the cluster down-the-hole hammer and a ground slurry treatment system;
connecting the air inlet pipe and the exhaust pipe with the cluster down-the-hole hammer, wherein the other end of the air inlet pipe is communicated with an air compressor;
connecting the cluster down-the-hole hammer with the drill pipe;
step two: hoisting;
the wire rope suspends the drill rod and other drilling tools to a drilling station;
step three: drilling;
driving the cluster down-the-hole hammer to swing and rotate at 180 degrees left and right;
starting an air compressor to supply air, enabling the cluster down-the-hole hammer to impact rock drilling, injecting high-pressure air into a slag suction pipe in the cluster down-the-hole hammer to form mud gas lift reverse circulation, discharging mud carrying drilling slag through a mud discharge pipe, and realizing drilling of the down-the-hole hammer on rock and soil; the treated high-quality slurry is reinjected into the drill hole to realize slurry wall protection, and a casing is not required to follow in the process of geological drilling of a covering layer;
synchronously lowering the steel wire rope, the slurry discharge pipe, the air inlet pipe and the exhaust pipe, and lowering the drill rod while drilling until drilling is completed;
further, in the third step, when the drilled hole is a wet hole, injecting air into a slag suction pipe in the cluster down-the-hole hammer to form mud gas lift reverse circulation slag discharge;
when the drill hole is a dry hole without water, an air injection and suction device is arranged in the slag suction pipe of the cluster down-the-hole hammer, and air is injected to form air reverse circulation slag removal.
When the drilling is shallow hole drilling, an air injection and suction device is arranged in an inner slag absorption pipe of the cluster down-the-hole hammer, and air is injected to form slurry reverse circulation slag removal;
the invention has the following advantages:
(1) according to the invention, mud of the cluster down-the-hole hammer is circularly discharged, a mud retaining wall ensures that a covering layer does not collapse, and casing follow-up is not required, so that a large-diameter ultra-deep covering layer rock-entering well hole can be constructed, the huge steel casing follow-up cost is avoided, a telescopic drill rod is matched with the down-the-hole hammer to drill hard rock, the construction speed is ultra-fast, the comprehensive construction cost is ultra-low, and the equipment is suitable for all rock-entering drilling projects;
(2) the invention has small bit pressure, the bit pressure is provided by a drilling tool, the drill rod can not be pressurized, the length of the drill rod is not limited, the drilling depth is very deep, and the invention can be used for the drilling construction of ultra-deep pile holes;
(3) the drilling pressure and the torque of the down-the-hole hammer are small, and the type of the drilling machine used in cooperation is small, so that the manufacturing cost of large-diameter ultra-deep well hole construction equipment is greatly reduced;
(4) the invention has lower cost by changing the crawler crane into the down-the-hole hammer drill.
In conclusion, the swinging and rotating mud reverse circulation down-the-hole hammer drilling machine provided by the invention is low in manufacturing cost, the drilling of the covering layer does not need the follow-up of a protective cylinder, the speed of the telescopic drill rod matched with the down-the-hole hammer to drill the rock is ultra-fast, the ultra-large diameter rock drilling hole of the ultra-deep covering layer can be constructed, and the comprehensive construction cost is ultra-low.
Drawings
FIG. 1 is a schematic view of the present invention in a configuration for a track crane;
in the figure, 1-a cluster down-the-hole hammer, 2-a pile frame, 3-a power head, 4-a drill rod, 5-a slurry discharge pipe, 6-an air inlet pipe, 7-an air outlet pipe, 8-a steel wire rope and 9-a drilling machine;
FIG. 2 is a schematic structural diagram of a rotary drilling rig according to the present invention;
in the figure, 1-a cluster down-the-hole hammer, 2-a pile frame, 3-a power head, 4-a drill rod, 5-a slurry discharge pipe, 6-an air inlet pipe, 7-an air outlet pipe, 8-a steel wire rope and 9-a drilling machine.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be clear and readily understood by the description.
With reference to the accompanying drawings: a swing rotary mud reverse circulation down-the-hole hammer drill and a use method thereof comprise a cluster down-the-hole hammer 1, a pile frame 2 power head 3, a drill rod 4, a mud discharging pipe 5, an air inlet pipe 6, an exhaust pipe 7, a steel wire rope 8 and a drill 9;
the power head 3 of the scheme of the invention drives the drill rod 4 to swing and rotate left and right by 180 degrees, so that the slurry discharge pipe 5, the air inlet pipe 6 and the exhaust pipe 7 are prevented from twisting with the drill rod 4, and high-pressure air enters the cluster down-the-hole hammer 1 through the air inlet pipe 6 to impact rock drilling; the outer cover of the single down-the-hole hammer in the cluster down-the-hole hammer 1 is wrapped, the down-the-hole hammer exhaust is collected and enters the exhaust pipe 7 to be exhausted into the atmosphere, the bottom of the down-the-hole hammer is not exhausted, gas cannot leak into drilling mud to cause hole collapse, meanwhile, the exhaust back pressure of the down-the-hole hammer is also reduced, and the down-the-hole hammer is kept to have the maximum energy efficiency;
the feeding force of the down-the-hole hammer drill bit can depend on the self weight of a drilling tool, a drill rod can not be pressurized, the torque required by the rotation of the drill bit is small, the rotating speed is very low, the power is small, and the down-the-hole hammer drill bit is suitable for drilling machines which are simply remanufactured by various crawler cranes; the remanufacturing content is as follows: increasing the single-rope lifting force of a main winch of the crane, installing a pile frame 2 and installing a power head 3; the modified drill rod 4 provides torque, the crane lifts up and lowers the drill rod 4 and the bunching down-the-hole hammer 1, and the crane is matched with air compressor equipment, so that the drilling function of the mud reverse circulation down-the-hole hammer is comprehensive;
part of gas in the gas inlet pipe 6 is injected into a slag suction pipe in the cluster down-the-hole hammer 1 to form gas lift mud reverse circulation, the mud carries drilling slag and enters a mud treatment system through a mud discharge pipe 5, the treated mud returns to a drill hole to keep a water head to protect the hole wall from collapsing, and when a geological drill hole with a covering layer is drilled, a protecting sleeve is not needed to follow, so that huge protecting sleeve following cost is saved;
in order to achieve the second purpose of the invention, the invention provides a using method of the rotary drilling rig of the swinging rotary mud reverse circulation down-the-hole hammer, which is characterized in that: comprises the following steps of (a) carrying out,
the method comprises the following steps: assembling;
communicating the slurry discharge pipe 5 with the cluster down-the-hole hammer 1 and a ground slurry treatment system;
connecting an air inlet pipe 6 and an air outlet pipe 7 with the cluster down-the-hole hammer 1, and communicating the other end of the air inlet pipe 6 with an air compressor;
connecting the cluster down-the-hole hammer 1 with a drill rod 4;
step two: hoisting;
the steel wire rope 8 suspends the drill rod 4 and other drilling tools to a drilling station;
step three: drilling;
driving the cluster down-the-hole hammer 1 to swing and rotate at 180 degrees left and right;
starting an air compressor to supply air, enabling the cluster down-the-hole hammer 1 to impact rock drilling, injecting high-pressure air into a slag suction pipe in the cluster down-the-hole hammer 1 to form mud gas lift reverse circulation, and discharging mud carrying drilling slag through a mud discharge pipe 5 to realize drilling of rock and soil by the down-the-hole hammer; the treated high-quality slurry is reinjected into the drill hole to realize slurry wall protection, and a casing is not required to follow in the process of geological drilling of a covering layer;
synchronously lowering the steel wire rope 8, the slurry discharge pipe 5, the air inlet pipe 6 and the exhaust pipe 7, and enabling the drill rod 4 to be lowered while drilling until drilling is completed;
further, in the third step, when the drilled hole is a water-wet hole, high-pressure air is injected into a slag suction pipe in the cluster down-the-hole hammer 1, and mud carrying drilling slag is sucked in to form mud gas-lift reverse circulation slag discharge;
when the drill hole is a waterless dry hole, an air injection and suction device is arranged in a slag suction pipe of the cluster down-the-hole hammer 1, high-pressure air is injected, and drill slag is sucked to form air reverse circulation slag removal, so that the waterless dry hole sludge-free construction is facilitated;
when the drilling is shallow hole drilling, an air injection and suction device is arranged in an inner slag suction pipe of the cluster down-the-hole hammer 1, air is injected, slurry carrying drilling slag is sucked, reverse circulation slag removal of the slurry is formed, and reverse circulation drilling of the slurry is carried out when gas lift reverse circulation is ineffective under the condition of conveniently opening holes;
the drilling speed of the hard rock of the swinging rotary slurry reverse circulation down-the-hole hammer drilling machine is high, and the drilling speed is still high by adopting a grading reaming or core drilling method during the large-diameter drilling construction, so that the drilling pressure and the torque of the drilling machine can be reduced, the type of the drilling machine 9 is reduced, the drilling pressure of the down-the-hole hammer construction is small, the drilling machine 9 can not be pressurized, the telescopic drill rod only needs to transmit the torque, and the drilling depth of the drill rod 4 is deeper than that of pressurized drilling; the swinging rotary mud reverse circulation down-the-hole hammer drill has a small model, has the drilling capability of drilling ultra-deep and ultra-large diameter hard rock, and is ultra-fast in drilling speed and ultra-low in comprehensive construction cost.
In order to more clearly illustrate the advantages of the oscillating rotary mud reverse circulation down-the-hole hammer drill and the method of using the same of the present invention over the prior art, workers compared the technical solutions and the results are as follows:
as can be seen from the above table, when the submersible driving rotary drilling mud reverse circulation down-the-hole hammer drill and the using method thereof are used for drilling a large-diameter deep covering layer, compared with the prior art, the submersible driving rotary drilling mud reverse circulation down-the-hole hammer drill is light in equipment, low in manufacturing cost, high in rock drilling speed and low in construction cost.
Other parts not described belong to the prior art.
Claims (6)
1. A swinging and rotating mud reverse circulation down-the-hole hammer drill and a use method thereof are characterized in that: the device comprises a cluster down-the-hole hammer (1), a pile frame (2), a power head (3), a drill rod (4), a slurry discharge pipe (5), an air inlet pipe (6), an air outlet pipe (7), a steel wire rope (8) and a drilling machine (9);
the drill rod (4) is a multi-layer telescopic drill rod, the power head (3) provides torque for the drill rod (4), and the drill rod swings and rotates at 180 degrees left and right during drilling;
the slurry discharge pipe (5) enters the drill hole and is connected with the cluster down-the-hole hammer (1);
the air inlet pipe (6) and the air outlet pipe (7) enter the drill hole and are connected with the cluster down-the-hole hammer (1).
2. An oscillating rotary mud reverse circulation down-the-hole hammer drill and method of use thereof, as claimed in any one of claims 1, wherein: each single down-the-hole hammer on the cluster down-the-hole hammer (1) is provided with a closed outer sleeve, all exhaust of the collected down-the-hole hammers is discharged into an exhaust channel inside the cluster down-the-hole hammer (1) and is discharged into the atmosphere through an exhaust pipe (7), the bottom of the down-the-hole hammer is not provided with an exhaust hole, the exhaust of the down-the-hole hammer cannot be discharged into mud in a pile hole, and a slag and mud sucking pipe is arranged in the cluster down-the-hole hammer (1).
3. A rotary oscillating mud reverse circulation down-the-hole hammer drill and method of use thereof as claimed in claim 1, wherein: the drilling machine (9) is various drilling machines using telescopic drill rods or a drilling machine simply modified by a crawler crane, the structure of the crawler crane modified drilling machine comprises the crawler crane, a pile frame (2) and a power head (3), and a large-tonnage hoisting winch is modified.
4. An oscillating rotary mud reverse circulation down-the-hole hammer drill and method of use thereof, as claimed in any one of claims 1 to 2, wherein: during the drilling process of the geological with the covering layer by using the mud reverse circulation down-the-hole hammer drill, the hole wall is protected by adopting a mud wall protection method without the need of a pile casing to follow.
5. A method of using an oscillating rotary mud reverse cycle down-the-hole hammer drill according to any one of claims 1-2, wherein: comprises the following steps of (a) carrying out,
the method comprises the following steps: assembling;
communicating the slurry discharge pipe (5) with the cluster down-the-hole hammer (1) and a ground slurry treatment system;
an air inlet pipe (6) and an air outlet pipe (7) are connected with the cluster down-the-hole hammer (1), and the other end of the air inlet pipe (6) is communicated with an air compressor;
connecting the cluster down-the-hole hammer (1) with a drill rod (4);
step two: hoisting;
the steel wire rope (8) suspends the drill rod (4) and other drilling tools to a drilling station;
step three: drilling;
the cluster down-the-hole hammer (1) is driven to swing and rotate at 180 degrees left and right;
starting an air compressor to supply air, enabling the cluster down-the-hole hammer (1) to impact rock drilling, injecting high-pressure air into a slag suction pipe in the cluster down-the-hole hammer (1) to form mud gas lift reverse circulation, and discharging mud carrying drilling slag through a mud discharge pipe (5) to realize drilling of rock and soil by the down-the-hole hammer; the treated high-quality slurry is reinjected into the drill hole to realize slurry wall protection, and a casing is not required to follow in the process of geological drilling of a covering layer;
and synchronously lowering the steel wire rope (8), the slurry discharge pipe (5), the air inlet pipe (6) and the exhaust pipe (7) to ensure that the drill rod (4) is lowered while drilling until drilling is completed.
6. Use of an oscillating rotary mud reverse circulation down-the-hole hammer drill according to claims 1-5, wherein: in the third step, when the drill hole is a water-wet hole, high-pressure air is injected into a slag suction pipe in the cluster down-the-hole hammer (1) to form slurry gas lift reverse circulation slag discharge;
when the drilled hole is a dry hole without water, an air injection and suction device is arranged in a slag suction pipe of the cluster down-the-hole hammer (1), and high-pressure air is injected to form air reverse circulation slag removal;
when the drilling is shallow hole drilling, an air injection and suction device is arranged in a slag suction pipe of the cluster down-the-hole hammer (1), and high-pressure air is injected to form slurry reverse circulation slag removal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110551799.3A CN113107355A (en) | 2021-05-20 | 2021-05-20 | Swinging and rotating mud reverse circulation down-the-hole hammer drill and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110551799.3A CN113107355A (en) | 2021-05-20 | 2021-05-20 | Swinging and rotating mud reverse circulation down-the-hole hammer drill and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113107355A true CN113107355A (en) | 2021-07-13 |
Family
ID=76722717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110551799.3A Withdrawn CN113107355A (en) | 2021-05-20 | 2021-05-20 | Swinging and rotating mud reverse circulation down-the-hole hammer drill and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113107355A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293544A (en) * | 2021-12-31 | 2022-04-08 | 北京中岩大地科技股份有限公司 | Construction method for forming pile by drilling with hydraulic down-the-hole hammer |
-
2021
- 2021-05-20 CN CN202110551799.3A patent/CN113107355A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293544A (en) * | 2021-12-31 | 2022-04-08 | 北京中岩大地科技股份有限公司 | Construction method for forming pile by drilling with hydraulic down-the-hole hammer |
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Application publication date: 20210713 |
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