KR101676028B1 - Auto desliming and digging machine by high pressure, and method for desliming and digging using this same - Google Patents

Auto desliming and digging machine by high pressure, and method for desliming and digging using this same Download PDF

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Publication number
KR101676028B1
KR101676028B1 KR1020150141333A KR20150141333A KR101676028B1 KR 101676028 B1 KR101676028 B1 KR 101676028B1 KR 1020150141333 A KR1020150141333 A KR 1020150141333A KR 20150141333 A KR20150141333 A KR 20150141333A KR 101676028 B1 KR101676028 B1 KR 101676028B1
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South Korea
Prior art keywords
slime
rod
tank
hole
pressure fluid
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KR1020150141333A
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Korean (ko)
Inventor
류은영
조희남
최성욱
박상진
김창옥
서구원
김병훈
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주식회사 지앤지테크놀러지
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Priority to KR1020150141333A priority Critical patent/KR101676028B1/en
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    • 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
    • E21B3/00—Rotary drilling
    • 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
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/61—Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
    • 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
    • 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
    • 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
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems

Abstract

The present invention relates to a high pressure fluid injection type-automatic de-sliming and digging apparatus and a method for digging an underground hole and removing slime. The purpose of the present invention is to discharge slime, which is generated when excavating the underground and is stored in a slime tank, to the ground without a work to draw out an excavator or the slime tank, allow excavation and storage of slime to be linked, and store and discharge the slime without retention through injection of high pressure fluid. The high pressure fluid injection type-automatic de-sliming and digging apparatus comprises a rod (10), a digging bit (20), a drilling mud water value unit (30), a slime valve unit (40), a slime tank (50) and a slime discharge means (60). The rod (10) has a hollow shape, is connected to excavation equipment and a drilling mud water supply means on the ground, is rotated by the excavation equipment, has a hole formed on an upper part thereof to allow introduction of drilling mud water and discharge of slime, has a drilling mud water discharge hole (12) formed on a lower part thereof, and has a slime introduction hole formed on a circumferential part to connect the outside with the inside. The digging bit (20) is mounted on a front end part of the rod. The drilling mud water valve unit (30) opens and closes a drilling mud water discharge hole of the rod. The slime valve unit (40) opens and closes the slime introduction hole of the rod and is reversely operated with respect to the drilling mud water valve unit. The slime tank (50) is mounted on the circumferential part of the rod and has a slime storage part formed on an interior thereof to store introduced slime inside the digging hole. The slime discharge means (60) discharges the slime, which is stored in the slime tank through injection of high pressure fluid, to the ground through the rod.

Description

BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to an automatic slime removal type excavation apparatus using a high pressure fluid injection type hydraulic excavator,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underground drilling rig drilling apparatus, and more particularly, to an underground drilling hole drilling apparatus for drilling a ground without drawing the slime tank to the ground, And a method for excavating an underground excavator and a slime removing method using the same.

Volcanic islands composed of volcanic clay layers such as porous volcanic rocks and pine mushrooms in Jeju Island are difficult to develop surface water due to their unique geological structure and mostly depend on groundwater.

Ground drilling and other ground drilling methods are classified into rotary drilling using tricone bit and core bit, impact type using a hammer bit, flushing, displacement type and auger type.

In general, impact drilling method using hammer bit is used in the land, but volcanism of geological structure like Jeju Island is different from drilling method of land, and rotary drilling method in which the trickle bit or core bit is rotated by the equipment, .

Groundwater disturbance is divided into observation and intake according to the use.

It is effective to drill by rotary core recovery method in order to check the state of stratum in drilling process such as observations, and excavation for drilling purpose such as agricultural water is to excavate with tricone bit and slime form to supply water It is an economical and efficient drilling method.

The problems of the conventional groundwater drilling method are summarized as follows.

1. Rotary type water injection method.

- In order to recover the drilling core by the rotary water injection method, it is troublesome to repeatedly install the slime tank and the core tube lifting operation.

- The daily working depth is less than 3m and the efficiency of work is remarkably decreased, so the number of workdays increases, resulting in high cost and inconsistency in equipment operation plan. It takes about 45 days to drill a depth of 100m.

2. Slime tank.

- The slime tank is used to float the stone powder ground by bit by the buoyancy of the water supplied from the water pump on the surface, then lift the slime sinking by gravity into the slime tank and remove it from the surface. It is closely related to work efficiency and internal accident.

- The length of the slime tank is 3m, and it is pointed out that the crushed stone powder is filled after a certain period of time and it is troublesome to salvage during drilling and shortens the actual excavation time. This is because, if the slime tank is not emptied, stone dust will be trapped between the wall and the slime tank, resulting in a phenomenon of sticking in the ball. In actual depth 100m, daily average 4 ~ 6 times of daily saline discharge and depth 300m daily average 2 ~ 4 times of saline discharge are progressing.

- The water pressure of the water pump injection water is low, so it does not float the crushed stone powder and the work efficiency is low.

3. Core tube.

- The core tube is used to put the drilling core into the core tube tube by lifting the rock core with the bit and the metal tip attached to the bottom end, and the length of the core tube is 3m, the drilling depth is shortest to 2.5m and the depth is 100m As a guide, you should repeat the installation five times a day.

- The core tube and bit determine the diameter of the borehole. Usually the work speed is delayed when recovering the core with a diameter of 250mm.

- When drilling a large diameter, it is difficult to cut a hard rock such as a rock or a carcass, which has a problem of cutting using a hydraulic jockey.

- When water is sprayed from the top of the core tube and the water pressure is low and the drilling core is filled in the core tube, clogging occurs and it is difficult to float the slime.

Patent Document No. 10-1529700 discloses a drilling apparatus that is coupled to a drilling machine and perforates the ground through rotation, and includes a rod connected to the drilling machine and extending along the longitudinal direction and rotated by receiving power, A core tube which is rotated together with the rod, a bit for perforation is formed on the lower side, and a storage space for accommodating the drilling core is formed on the inner side; a core tube provided on the upper side of the core tube, A slime collecting tank for discharging compressed air from one side and discharging the compressed air to the other side while generating a pressure difference in the inside of the tube to store the slime collected in the slime collecting tank, And a slime removing means for sucking and discharging the compressed air together with the compressed air, wherein the core tube has a double tube structure And a spray nozzle for spraying the water at a high pressure and discharging the slime generated at the time of perforation of the ground to the outside of the core tube, And a second pipe disposed inside the pipe and having the storage space formed therein, wherein the slime removing means includes an inlet pipe through which the compressed air flows, a discharge pipe through which the compressed air and the slime are discharged, A main body having a main flow path formed therein, one side of which is connected to the discharge pipe, the other side of which is open to allow the slime to flow in and a main body part protruding outward from the main body part and connected to the inflow pipe, Wherein the main oil passage is formed in a venturi shape in which the cross-sectional area of the central portion is narrowed, Wherein the auxiliary passage is formed with an auxiliary passage for communicating the inflow pipe and the main oil passage at an inner side of the auxiliary passage, and an injection member, which is bent toward the discharge pipe side and injects the compressed air flowing through the auxiliary passage, As a result, the drilling speed can be increased and the rock mass can be easily cut, and the slime removing device can be used for slurry collection without lifting the drilling device to the ground, By removing the slime inside the tank in real time, continuity of work can be maintained until the drilling core is discharged, thereby improving the overall working efficiency. However, there is a problem that the slime stagnation phenomenon occurs because the slime collecting tank is opened.

Patent No. 10-1529700

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a slime tank, Pressure fluid injection type automatic slime removal type excavation apparatus for storing and discharging slime without congestion through injection of high pressure fluid, and also to provide a method of excavating an underground excavator and a slime removing method using the same.

A high pressure fluid injection type automatic slime removal type drilling apparatus according to the present invention is connected to an excavation equipment and is rotated by the excavation equipment and has a hole which serves as a feed inlet and a slime discharge outlet, A rod having a hollow interior and a slime inflow hole through which the inside and the outside communicate; An excavating bit mounted on a distal end of the valve unit; A valve opening unit for opening and closing the water discharge hole of the rod; A valve unit that opens and closes a slime inlet hole of the rod, and operates in reverse to the valve unit; A slime tank mounted on the periphery of the rod and having a slime storage portion into which slime is introduced and stored; And slime discharging means for discharging the slime stored in the slime tank through the rod through the injection of the high-pressure fluid to the ground.

According to the present invention, there is provided an automatic slime removal type excavation apparatus for high pressure fluid injection type automatic slime removal type excavation apparatus, and a method of using the same for excavation and slime removal of a slurry, The slime is introduced to the slurry tank without draining the slurry tank to the ground, so that it is possible to eliminate the troubles due to repetition of drawing and reinsertion of the digging device and shorten the period of excavation or slime removal .

1 is a perspective view of a high pressure fluid injection type automatic slime removal type drilling apparatus according to the present invention.
BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to an automatic slime removal type drilling apparatus,
3 and 4 are operational views of a high pressure fluid injection type automatic slime removal type drilling apparatus according to the present invention,
Fig. 3 is a time of excavation,
4 is a slime discharge.
FIG. 5 is a view showing a configuration of a canned water valve unit applied to a high pressure fluid injection type automatic slime removal type drilling apparatus according to the present invention. FIG.
6 is a block diagram of a slime valve unit applied to a high pressure fluid injection type automatic slime removal type drilling apparatus according to the present invention.
7 is a view showing an example in which a high-pressure fluid injection type automatic slime removal type drilling apparatus according to the present invention is modified to a slime removal type of existing gravel.

1 to 4, the high pressure fluid injection type automatic slime removal type drilling apparatus according to the present invention includes a rod 10 connected to an excavation equipment on the ground, a load 10 which is replaceably mounted at the front end of the rod 10, (Or disturbing the slime accumulated in the excavation hole in the case of an existing excavator), an excavation bit 20 which is supplied through the interior of the rod 10 and which is injected into the excavation hole, A slime valve unit 40 for opening and closing a slime inflow hole formed in the rod 10 to discharge the slime to the ground through the inside of the rod 10, A slime tank 50 for discharging the slurry into the slurry tank 50 through a high-pressure fluid, a slime tank 50 for discharging the slurry to the ground through the rod 10, (60) It consists of a.

The rod (10) is a tubular type in which the inner hollow portion is provided to feed the water to the tip portion during excavation and to discharge the slime to the ground without withdrawing the equipment to the ground at the time of removing the slime. And a slime inflow hole 11 through which a slime in the slime tank 50 flows into the slime tank 50 is provided.

The rod 10 is used in such a manner that two or more of the rods 10 are connected to the depth of the excavation hole in the same manner as commonly used.

A hole in the upper part of the rod 10 is connected to the water supply means and the slime discharge pipe through a three-way valve so that the molten metal is connected to the supply means and connected to the slime discharge pipe.

The excavation bit 20 is selected and used for the rock quality and is connected to the distal end of the rod 10 via a coupler, for example.

The diverting valve unit 30 is installed to be linearly reciprocated or rotated inside the rod 10, and when the excavation or disturbance dispersion of the slime in the excavation hole is released, the inside of the rod 10 is opened, And closes the inside of the rod 10 when discharging the slime inside the rod 50 to the ground.

1 to 5, the variable valve unit 30 is, for example, cylindrical and is mounted on the inner circumferential surface of the rod 10, and is closely attached to a ring-shaped valve stem 31 having a water discharge hole, 10 may close the water discharge hole, and conversely, the diaphragm may be spaced apart from the valve stem to open the water discharge hole, and an inclined portion may be formed at one circumferential portion to abut the valve stem.

The driving of the variable valve unit 30 is performed by being connected to a shaft configured to be vertically movable by a pressure cylinder such as hydraulic pressure or water pressure installed around the rod 10, It is possible to rotate the rod 10 precisely in a stopped state so that the discharge hole can be opened or closed to be operated.

The variable valve unit 30 can be mounted on the periphery of the rod 10 through a separate tubular body and the tubular body can be tubular to the tank shaft 70 as described below.

2 to 6, the slime valve unit 40 and the slime tank 50 are fixed to the circumference of the rod 10 (the tank shaft 70 is fixed to the rod 10 without rotation when the rod 10 rotates) So that the tank shaft 70 is applied as an example.

The tank shaft 70 is tubular with an inner diameter larger than the outer diameter of the rod 10 and fixed to the periphery of the rod 10 via one or more bushings 13 (bearings, etc.) And a slime tank 50 is fixedly installed at its periphery.

The slime valve unit 40 opens and closes the slime inlet hole 11 of the rod 10 so that the movement of the slider valve unit 40 is opposite to that of the water valve unit 30, Closing of the slime inflow hole 11 when the water discharge hole 12 is opened and opening of the slime inflow hole 11 when the water discharge hole 12 is closed.

The slime valve unit 40 may be of any type capable of opening and closing the slime inlet hole 11 and may be formed in a tubular shape and mounted to the periphery of the rod 10 so as to be linearly reciprocable along the rod 10 And is forcibly linearly reciprocated by a driving cylinder (hydraulic pressure, pneumatic pressure capable) driven by an operation on the ground to open or close the slime inlet hole 11. In the drawing, the slime valve unit 40 is shown in a tubular shape having a valve hole 41 communicating with the slime inlet hole 11 of the rod 10. When the slime is discharged, the slime inlet unit 11 And the valve hole 41 of the slime valve unit 40 are communicated with each other and the slime inlet hole 11 of the rod 10 is blocked by the slime valve unit 40 when the water is discharged.

Given that the tank shaft 70 is tubular, it is also possible for the slime valve unit 40 to be pipe-coupled to the tank shaft 70 via a separate tubular body.

The slime tank 50 is a tank structure which is open at the top so that a slime (including water) coming from the sand of the excavation hole is gravity-infused and stored. In order to discharge a large amount of slime, a slime valve Unit 40 is disposed.

In the present invention, the valve seat unit 30, the slime valve unit 40 and the shielding lid 51 are opened and closed, and the valves 30, 40 and 51 can be opened and closed through respective driving means , And it is also possible to perform opening and closing by one driving means through proper arrangement.

When the slime tank 50 is of the upper open type, a shielding lid 51 is provided for smooth discharge of the slime.

The shielding lid 51 has a shape in which a rod 10 penetrates therein and is mounted on an upper portion of the slime tank 50 via a drive cylinder 52 so as to be able to ascend and descend, On the other hand, when the slime in the slime tank 50 is discharged, the slime tank 50 is coupled to the upper portion of the slime tank 50 to close the slime tank 50.

The opening and closing type shielding lid 51 of the slime tank 50 is operated when excavating the excavation hole and discharging the slime. In the case of discharging the slime from the existing excavation hole, the opening and closing type lid 51 is not constructed as an open type but fixed to the slime tank 50 , And the single slime tank (50) is equipped with an inflow hole through which the slime flows.

The driving cylinder 52 is fixed to the periphery of the rod 10 regardless of the rotation of the rod 10 (for example, fixed to the casing fixed to the periphery of the rod 10 via the bushing).

One or more guide rods are provided so as to enable stable linear reciprocation (lift-up) of the shielding lid 51 by the drive cylinder 52.

The guide rod is arranged along the movement path of the shielding lid 51 and is fixed to the periphery of the rod 10 and guides the linear movement of the shielding lid 51 through the hole of the shielding lid 51. Preferably, at least two of the guide rods are applied at regular intervals along the circumferential direction.

It is also possible to apply a flow meter which can confirm the amount of slime stored in the slime tank 50.

The slime discharging means 60 is a means for introducing the slime stored in the slurry tank 50 into a high pressure fluid such as water into the rod 10 through the slime inlet hole 11 of the rod 10, A water pump 61 for pumping water stored in the water tank 61 at a high pressure and a high-pressure water pump-fed through the water pump 62 to the slime tank 50 And a compressed water discharge pipe 63 for discharge.

The water tank 61 and the compressing water pump 62 are constructed on the ground and the compressed water discharge pipe 63 passes through the cap lid 51 so that the discharge end is disposed at the bottom of the slime tank 50.

On the other hand, the slime stored in the slime tank 50 may not be discharged due to the high pressure water of the slime discharging means 60 because the adhesive strength is high, and even if the slime accumulates, the slime is removed from the slime tank 50 A high-pressure pulse generator 80 is preferably constructed.

The high-pressure pulse generator 80 applies a high-pressure impact to the slime stored in the slime tank 50 by using a high-pressure compressor (or high-pressure cylinder) 81 and a high-pressure compressor 81, And a pulse oscillator 82

The high pressure pulse oscillator 82 is connected to the high pressure compressor 81 through a hose or the like and the hose is piped so that the high pressure pulse oscillator 82 is disposed at the bottom of the slime tank 50 while passing through the shield lid 51.

In addition, the rotation stopper 90 may be applied to prevent the slime tank 50, etc. from rotating during the rotation of the rod 10.

The rotation chamber 90 is installed through a casing provided around the bushing or the rod 10 so as not to rotate even if the rod 10 rotates at the periphery of the rod 10, And can be configured to be folded or protruded so as to be spaced apart from the hole of the drilling hole and supported on the wall of the drilling hole when the rod 10 rotates. In the folding type anti-rotation hole, two link bars 91 and 92 are connected in a bending manner, one end is fixed to the rod 10 side, and the other end is folded by a drive cylinder or the like.

The excavation and slime removal process using the high pressure fluid injection type automatic slime removal type drilling apparatus according to the present invention is as follows.

1. Excavation Excavation.

end. Excavation.

In excavation of the excavator, the inventive apparatus 100 is raised and connected to the excavation equipment, and the excavation equipment is operated.

In the present invention apparatus 100, the rod 10 and the excavating bit 20 are rotated by the operation of the excavation equipment, and at the same time, the ground is excavated while being lowered by a predetermined pressure. This is the same as the known excavator.

At the time of such excavation, the upper hole of the rod 10 is connected to the water supply means so that the water is injected toward the excavation bit 20.

3, the slime inlet hole 11 is closed through the slime valve unit 40, and the water outlet hole 12 is opened by the water outlet valve unit 30, Is normally sprayed into the slime tank (50) without leaking through the slime inlet hole (11).

A slime is generated in the space between the inventive apparatus 100 and the excavation hole and then introduced into the slime tank 50 opened at the top by the shielding lid 51. [

I. Slime discharge.

When a predetermined amount of slime is stored in the slime tank 50, the slime tank 50 is discharged to the outside of the slime tank 50. First, the upper hole of the rod 10 is connected to a slime discharge pipe on the ground, To close the inside of the slime tank 50 and to open the slime inlet hole 11 of the rod 10 through the slime valve unit 40 while opening the slime tank 50 (30) to close the water discharge hole (12). That is, the inside of the slime tank 50 is in a state in which only the slime inflow hole 11 of the rod 10 communicates.

When the slime discharging means 30 is operated in this state, the high pressure water is injected into the slime tank 50 at a high pressure, and the inside of the slime tank 50 flows into the inside of the rod 10 through the slime inflow hole 11 The slime (including the molten metal) is discharged from the slime tank 50 into the rod 10 together with the high-pressure water.

Since the inside of the rod 10 is connected to the slime discharge pipe on the ground, the slime (including the high pressure water and the molten metal) rises toward the slime discharge pipe and is discharged through the slime discharge pipe.

The slime mixture discharged through the slime discharge pipe is sorted into a solid slime and water through a screen or the like, and water is supplied to the water tank 61 and reused.

If excavation is proceeded after slime discharge is completed, change as follows.

The upper hole of the rod 10 is connected to the water supply means, the closure of the slime inlet hole 11, and the opening of the water outlet hole 12 are changed.

The high pressure fluid injection type automatic slime removal type drilling apparatus according to the present invention is capable of both excavation and slime removal as well as slime removal from existing drilling holes.

7, the screw bit 20-1 is connected to the lower end of the rod 10 and the slit tank 50 is connected to the slime tank 20 by the rotation of the screw bit 20-1. A slime guide 53 and an extension pipe 54 for guiding a slime flowing into the slant 50 are applied. A valve unit 30-1 is provided at the outlet of the extension pipe 54 for opening and closing the outlet of the extension pipe 54 while being elevated by a drive cylinder or the like.

Since the slime tank 50 receives the slime through the inner extension pipe 54, it is configured as a closed type without the shielding cover of the above-described embodiment.

The screw bit 20-1 may be provided with a slime inlet hole or a slime inlet hole may be formed between the screw bit 20-1 and the slime tank 50 so that the slime flows into the slime tank 50. [

The slime guide (53) is configured to be inclined so as to be narrowed. The remaining configuration is the same as that of the above-described embodiment.

In this embodiment, the rod 10 and the screw bit 20-1 are connected to the upper and lower portions of the slime tank 50, respectively, so as to rotate together.

At this time, the piping or the like of the slime discharging means 60 for discharging the slime through the rod 10 is configured not to rotate on the shielding cover formed on the ceiling portion of the slime tank 50.

This embodiment is also possible by simply replacing the excavation bit 20 with the screw bit 20-1 in the above-described embodiment.

The slime removal process of the present invention is as follows.

In reusing or cleaning an existing drilling rig, the inventive device 100 is inserted into the drilling rig and the rod 10 is connected to the drilling rig and the screw bit 20-1 is operated.

The screw bit 20-1 disturbs and disperses the slime accumulated in the existing drilling hole and the disturbed and dispersed slime is screwed by the screw bit 20-1, And the slime stored in the slime tank 50 is discharged to the ground like the slime discharging process at the time of excavation described above.

10: load, 20: excavation bit
30: an opening-closing valve unit, 40: a slime valve unit
50: Slime tank, 60: Slime discharging means
70: Tank shaft,

Claims (9)

The ground excavation equipment and the coring are connected to the water supply means and are rotated by the excavation equipment and the upper part is provided with a hole which serves as a water inlet and a slime discharge and a lower part which is hollow with a water discharge hole A rod 10 having a slime inlet hole 11 communicating with the inside and the outside;
An excavating bit mounted on a distal end of the rod;
A valve opening unit for opening and closing the water discharge hole of the rod;
A slime valve unit that opens and closes a slime inlet hole of the rod and operates in a reverse direction to the valve unit;
A slime tank mounted on the periphery of the rod and having a slime storage portion into which slime is introduced and stored;
And a slime discharging means for discharging the slime stored in the slime tank through the rod through the injection of the high-pressure fluid to the ground. The slime tank as claimed in claim 1, wherein the slime tank is a tank structure having an inlet portion opened at an upper portion thereof, and is openable and closable at an upper portion of the slime tank to open and close the inlet portion of the slime tank, And a shielding cover for preventing the slurry from entering into the slurry removing apparatus. The high pressure fluid injection type automatic slime removal type drilling device according to claim 1 or 2, further comprising a high pressure pulse generator for applying a high pressure pulse to the slime tank to disperse the slime. The automatic slime removal type drilling apparatus according to claim 1, further comprising a tank shaft installed at a periphery of the rod to maintain a fixed state without interfering with the rotation of the rod and supporting the slime tank . The method of claim 1, wherein the slurry removal is performed by using a high pressure fluid injection type automatic slime removal type drilling apparatus.
A load of a high pressure fluid injection type automatic slime removal type drilling rig is connected to a drilling rig and a feed water supply means and a slime inflow hole of the rod is closed while a rod of the rod is prepared by opening a water discharge hole, ;
The excavation equipment is operated to rotate the rod and excavation bit of the high pressure fluid injection type automatic slime removal type excavation device and to feed the excavation bit into the inside of the rod through the feed water supply means, A second step of excavating the ground by discharging the ground;
A third step of storing the slime mixture generated in the process of excavating the excavation hole into the slime tank of the high pressure fluid injection type automatic slime removal type drilling device through the second step;
The rod is connected to the slime discharge pipe after the rotation of the rod is stopped, the slime inlet hole of the rod is opened, the water discharge hole is closed, and the slime tank is closed, And a fourth step of injecting a high-pressure fluid into the slime tank through the inside of the rod to discharge the slime into the slime discharge pipe on the ground. The slime removing apparatus according to claim 1, Excavation and slime removal methods. The ground excavation equipment and the coring are connected to the water supply means and are rotated by the excavation equipment. The upper part is provided with a hole which serves as a water inlet and a slime discharge, and a lower part which has a hollow rod (10);
A slime valve unit operable to open and close a slime inlet hole of the rod;
A slime tank installed at a lower end or a periphery of the rod and having a slime storage portion into which slime is introduced and stored;
A screw bit mounted on a distal end of a rod or slime tank for disturbing and dispersing a slime accumulated in an existing drilling hole to induce a slime into the slime tank;
A slime discharge means configured to supply a high-pressure fluid into the slime tank to discharge the slime;
And a slime discharging means for discharging the slime stored in the slime tank through the rod through the injection of the high-pressure fluid to the ground. delete A slime removing method of a pneumatic drill using a high pressure fluid injection type automatic slime removal type drilling apparatus according to claim 6,
A rod of a high-pressure fluid injection type automatic slime removal type drilling rig is connected to a drilling rig and a feed water supply means, and a slime inflow hole of the rod is closed while a rod of the rod is prepared by opening a water discharge hole, A first step of inserting and inserting the light source into the light source;
The drilling equipment is operated to rotate the rod and the screw bit of the high-pressure fluid injection type automatic slime removal type drilling apparatus, while the water is supplied to the interior of the rod through the feed water supply means, A second step of disturbing and dispersing the slime in the excavation ball;
A third step of storing the disturbed and dispersed slime mixture in the slime tank of the high pressure fluid injection type automatic slime removal type drilling device through the second step;
And a high-pressure fluid is injected into the slime tank at a high pressure in a state in which the slime inlet hole of the rod is connected to the inside of the rod and the slime inlet hole of the rod is closed, And a fourth step of discharging the slime inside the slime tank to the slime discharge pipe on the ground through the inside of the rod. The slime removing method of claim 1, [9] The method of claim 8, wherein the slurry is discharged to the ground while the slime stored in the slime tank is disturbed and dispersed by the high-pressure pulse. [8] Removal method.
KR1020150141333A 2015-10-08 2015-10-08 Auto desliming and digging machine by high pressure, and method for desliming and digging using this same KR101676028B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150035294A (en) * 2013-09-27 2015-04-06 주식회사 지앤지테크놀러지 Apparatus and method for discharging soil slurry of excavation hole in underground water geothermy
KR101529700B1 (en) 2014-04-03 2015-06-18 한국농어촌공사 Boring apparatus and method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150035294A (en) * 2013-09-27 2015-04-06 주식회사 지앤지테크놀러지 Apparatus and method for discharging soil slurry of excavation hole in underground water geothermy
KR101529700B1 (en) 2014-04-03 2015-06-18 한국농어촌공사 Boring apparatus and method

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