CN103758454B - Cherry coal development area pore-forming, make cave, rush powder, pressure-relief one-piece gasifying device - Google Patents
Cherry coal development area pore-forming, make cave, rush powder, pressure-relief one-piece gasifying device Download PDFInfo
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- CN103758454B CN103758454B CN201410026631.0A CN201410026631A CN103758454B CN 103758454 B CN103758454 B CN 103758454B CN 201410026631 A CN201410026631 A CN 201410026631A CN 103758454 B CN103758454 B CN 103758454B
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Abstract
Cherry coal development area pore-forming, make cave, rush powder, pressure-relief one-piece gasifying device, comprise the drilling rod (14) of hollow structure, drilling rod (14) front end is provided with conical drill bit (36), drilling rod is provided with steering in (14), makes cave system and orientation system, water under high pressure feed system is connected with in the middle part of the rear end of drilling rod (14), steering and make cave system to be positioned at drilling rod (14) inner and be connected respectively to the corresponding junction of drill bit (36), steering is all connected with water under high pressure feed system with the rear end of making cave system, and orientation system is located at the bottom in drilling rod (14).The appropriate design of bearing unit in the present invention, accurately can determine the direction of jet orifice and crossover port, make flow jet work evidence-based.Adopt the present invention to carry out making cave, rushing powder operation, stress of coal seam can be made effectively to be discharged, promote the quick output of gas.
Description
Technical field
The invention belongs to Safety of Coal Mine Production technical field, particularly relate to a kind of cherry coal development area pore-forming, make cave, rush powder, pressure-relief one-piece gasifying device.
Background technology
Coal and gas prominent is one of important geological disaster of restriction Safety of Coal Mine Production.At present, the method for administering gas mainly contains ground drilling gas pumping and down-hole drilling gas pumping.Ground drilling gas pumping carries out gas pumping after mainly improving reservoir permeability by drilling well, pressure break, but due to the restriction of current technology, cherry coal development area is difficult to realize good reservoir reconstruction effect, cause cherry coal development area coalbed methane ground extraction effect poor, be difficult to reduce reservoir gas bearing capacity fast and effectively.Adopt the method for underground gas extraction, in cherry coal development area, coal body is soft, causes the easy collapse hole of drilling process, and pore-forming difficulty is large, and boring cost increases; Coal seam is destroyed serious, and permeability is poor, causes drainage holes extraction effective range limited, and drilling hole amount increases virtually, the increase corresponding to the extraction time of drilling construction expense.
The infiltrative size of coal seam reservoirs determines gas pumping effect to a great extent.The common method that coal seam reservoirs is anti-reflection has that physics presses off the anti-reflection method in crack, chemical reaction is anti-reflection method and the anti-reflection method of stress release.For cherry coal development area, because the intensity of coal petrography own is low, adopt physical method almost cannot build the crack made new advances in coal seam, reservoir reconstruction poor effect.Adopt chemical reaction anti-reflection method generally need combine with physical method, due to the crack agensis of cherry coal reservoir own, chemical anti-reflection method poor effect.Therefore, stress release is anti-reflection becomes at present to the most effective method in cherry coal development area.But hypotonic, the low-intensity characteristic of cherry coal development area coal seam reservoirs, determine that to carry out stress release effect according to existing bore process or additive method not ideal.Therefore in the urgent need to a kind of device or technique, stress release can be carried out to cherry coal development area, be improved the flow conductivity of coal seam reservoirs by stress release, promote the quick output of methane, effectively reduce coal seam gas-bearing capacity, realize the safe and efficient production in colliery.
Summary of the invention
The present invention is in order to solve the problems such as gas pumping process Completion of Drilling Hole in cherry coal development area is difficult, influence basin is limited, extracting result is poor in prior art, provide a kind of cherry coal development area pore-forming, make cave, rush powder, pressure-relief one-piece gasifying device, can cave be made, rush powder cherry coal development area by this device and technique, realize coal seam and unload stress, promote the quick output of gas, reduce coal seam gas-bearing capacity, realize the safe and efficient production in colliery and effective utilization of gas resources.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: cherry coal development area pore-forming, make cave, rush powder, pressure-relief one-piece gasifying device, comprise the drilling rod 14 of hollow structure, drilling rod 14 front end is provided with conical drill bit 36, steering is provided with in drilling rod 14, make cave system and orientation system, water under high pressure feed system is connected with in the middle part of the rear end of drilling rod 14, steering and make cave system and be positioned at the top of drilling rod 14 and be connected respectively to the corresponding junction of drill bit 36, steering is all connected with water under high pressure feed system with the rear end of making cave system, orientation system is located at the bottom in drilling rod 14.
Described water under high pressure feed system comprises water tank 22, high-pressure hydraulic pump 2 and huge discharge water pump 23, high-pressure hydraulic pump 2 is connected with water tank 22 respectively by high-pressure water pipe 1 with huge discharge water pump 23, the delivery port of high-pressure hydraulic pump 2 is connected with steering and the water inlet making cave system respectively, and the delivery port of huge discharge water pump 23 is connected with in the middle part of the rear end of drilling rod 14.
Described steering comprise be located in drilling rod 14 and along drilling rod 14 axial direction arrange turn to jet pipe 12 and be located at drill bit 36 top turn to jet orifice 18, turn to the front end of jet pipe 12 to be connected with turning to jet orifice 18 by the first tube connector 8.
Described make cave system comprise make cave jet pipe 13, isocon 21 and be located at drill bit 36 top make cave jet orifice 34, make cave jet pipe 13 to be connected with isocon 21 by the second tube connector 20, make cave jet orifice 34 to be connected with the delivery port of isocon 21, make cave jet orifice 34 and be provided with at least two, make the elongated hole structure that cave jet orifice 34 is circular arc.
Described orientation system comprises fixed mount 32, positioner 31, indicator lamp 24 and socket 25, fixed mount 32 is located at the bottom in drilling rod 14, positioner 31 is located on fixed mount 32, socket 25 is located at the rearward end of drilling rod 14, socket 25 is connected with positioner 31 by the first wire 30, and indicator lamp 24 is plugged on socket 25;
Described positioner 31 comprises horizontally disposed cylinder 40, the container 38 of roly-poly type is provided with in cylinder 40, pitch body 39 is loaded with in container 38, between the bottom of pitch body 39 and container 38, there is cavity, top in cylinder 40 is provided with electric conductor 42, bottom outside cylinder 40 is provided with lower electric conductor 37, upper electric conductor 42 and lower electric conductor 37 are vertically gone up corresponding, the linear resistance wire 15 be connected with lower electric conductor 37 is provided with bottom container 38, resistance wire 15 is equipped with the conducting sphere 10 that can slide along resistance wire 15, electric conductor 41 in the top of container 38 is provided with and can be connected with upper electric conductor 42, connected by the second wire 3 between conducting sphere 10 and interior electric conductor 41.
Described drilling rod 14 nose circle side face is evenly provided with expanding piece 16 that a circle closes on drill bit 36.
The central axis of described drill bit 36 is provided with the intake tunnel 33 be connected with drilling rod 14 inside, and drill bit 36 front end is provided with the inlet opening 35 be connected with intake tunnel 33, and the pre-small post-large trochoidal surface outside drill bit 36 is provided with diamond drilling tooth 19.
Black box 6 and exterior seal assembly 7 in described drilling rod 14 rear end is provided with and is connected with water under high pressure feed system, bending between interior black box 6 and exterior seal assembly 7 cooperation that intersects, be provided with ring packing rubber pad between interior black box 6 and exterior seal assembly 7.
Adopt technique scheme, dynamical system of the present invention mainly provides power required in rod boring process, creeps into identical, do not repeat them here with conventional drilling tool.For the power made required for cave, be act on rib by after water pressurization with the form of high speed, high-pressure water jet by high-pressure hydraulic pump, rib washed away, destroys, and then make cave.For the power creeping into, make in the process of cave required for coal dust discharge, mainly by huge discharge water pump, large water gaging is injected from drilling rod inside, sprayed coal dust along the passage discharge between drilling rod and hole wall by drill bit.
The present invention needs multistage support hole system in operation process, and this system is mainly used for effectively supporting boring, avoids collapse hole.In drilling process, destroying serious when meeting coal body, when there is collapse hole phenomenon continuously, this system can be adopted effectively to support rib, avoid further destruction.Wherein this system may be used for the anti-collapse hole of local, also can all use this system to carry out anti-collapse hole operation by whole eyelet.
Orientation system is mainly determined the orientation turning to jet orifice and make cave jet orifice, avoids blindly making cave, guarantees that turning to and make orientation, cave meets design requirement.
What the design of this orientation system took full advantage of tumbler does not fall principle.Moved up and down along resistance wire by the position of appropriate design roly-poly type container and conducting sphere, when making to turn to jet orifice and drill rod axis line to be horizontal, whole circuit forms loop, and indicator lamp is bright.And when container is in upright position, indicator lamp is the brightest.When container is in handstand position because resistance wire is connected into circuit, cause circuitous resistance to increase, indicator lamp brightness is darker.Therefore according to the switch of indicator lamp and secretly bright, the position turning to jet orifice and make cave jet orifice can be judged.
Positioner is fixed in the bottom in drilling rod by fixed mount, drawing two first wires from fixed mount inside is connected to socket, wherein socket is fixed on the end face of drilling rod rearmost end, by indicator lamp is inserted socket, whether can open according to indicator lamp and position judgement with light levels.Wherein the shell of positioner is the cylinder of the hollow-core construction that a glass fiber reinforced plastic is made, wherein the axis of this cylinder and the axis parallel of drilling rod.The top of this cylinder and bottom distribution secure electric conductor and lower electric conductor, upper electric conductor is connected with the first wire with lower electric conductor simultaneously, the container of the inside of cylinder be by bottom be hollow semi-cylinders, top is that triangle body combines, container can only swing at left and right directions, at fore-and-aft direction because the restriction being subject to fixed mount can not swing.The pitch body that consolidation is solid shape is fixed with in the bottom of container, the bottom of the incomplete cartridge of its medium pitch body, between pitch body and container bottom, there is cavity, can be used for conducting sphere up and down along resistance wire, wherein metallic conduction ball can be enclosed within resistance wire and slide up and down, the resistance of regulating circuit, changes the brightness of indicator lamp.At the top of container, interior electric conductor is installed, is connected by the second wire between conducting sphere and interior electric conductor.It is mobilizable why conducting sphere is set to, when being to make container only be in upright or handstand position, just loop is in connected state.When container is in handstand position, the access due to resistance wire causes circuitous resistance to become large, and indicator lamp is dimmed.When container is in upright position, owing to not being connected into resistance wire, so indicator lamp is brighter.Connected on the lower electric conductor of cylinder foot by the first wire in the bottom of container, avoid container excessive in left and right directions motion.
Steering mainly realizes turning to of boring.Being entered by high-pressure water pipe turns to the water under high pressure of jet pipe to flow out by turning to jet orifice, penetrate along the direction angled with drilling axis, act on rib and form jet orifice, continuing of holing subsequently is crept into, play the effect of guiding, make boring direction trend towards jet direction gradually, complete turning to of boring.
Make cave system mainly to wash away rib, destroy, form large cave according to designing requirement, realize stress of coal seam release.Water after high-pressure hydraulic pump pressurizes, by making cave jet pipe, enters isocon, then enters respectively and makes cave jet orifice, and making cave jet orifice along drill bit is fan-shaped layout.Pressurize later High-Pressure Water, washes away, destroys, coal petrography is come off to rib.Destroy coal dust passing away in order to avoid making in the process of cave, will strictly control to make cave jet orifice jet direction, when carrying out jet operation, jet current all act on drill bit top coal petrography, can effectively avoid like this discharging later stage coal dust impacting.
The row powder process of the present invention in operation process is mainly discharged and is crept into, makes the coal dust produced in the process of cave.Before two borings are communicated with, coal dust is mainly discharged by circular passage between drilling rod and coal seam, and after two borings are communicated with, carry out a boring when making cave, coal dust is discharged from another one boring.Wherein discharge required power mainly by the large water gaging entered in inlet opening.
After a large amount of coal dust is discharged, the aperture of boring is fixed, seals, union extraction.Method is identical with conventional union drainage method, also no longer sets forth.Ingehious design between interior black box and exterior seal assembly effectively can reduce a large amount of outflows of drilling rod internal water, this not only reduces water outflow waste, and avoid drilling rod rotate the continuous water filling of water inlet is impacted.
Specific construction step of the present invention is as follows:
1), to equipment check, carry out the preparation before construction.
2), huge discharge water pump and motor is started, start to creep into, until collapse hole is serious, when being difficult to continue to creep into, stop creeping into, exit drilling tool, adopt multistage support aperture apparatus commute collapse hole section effectively to support, support complete after continue to creep into, if again run into serious collapse hole again can enter down multistage anti-collapse aperture apparatus, until drilling depth reaches requirement, complete creeping into of the straight hole part in first hole.
3), now, indicator lamp is inserted socket, rotate drilling rod by a small margin, according to indicator light switch and bright condition, after jet orifice is positioned, high-pressure hydraulic pump is connected to and turns to fluid conduit, open high-pressure hydraulic pump, carry out turning to jet operation, until Jet Penetration Depth reaches designing requirement, complete the deflecting in first hole.
4), continuing to creep into, in coal seam, form the hole of certain radian, when reaching designing requirement, completing creeping into of the first hole.
5), above-mentioned 2 are repeated) ~ 4) step, creeping into this distance, hole, completing that straight hole creeps into respectively, the engineering in the hole of deflecting and certain radian.Final realization is communicated with first hole.
6), in first hole, pipeline is reached the comparatively depths in hole, open indicator lamp, orientation is carried out to jet orifice orientation, by a small margin rotary drill rod, until indicator lamp is bright, now connects high-pressure hydraulic pump to making cave fluid conduit, opening high-pressure hydraulic pump.Carry out water jet and make cave operation, and start huge discharge water pump and punching is carried out to coal dust take.
7), when going out coal dust and being less, drilling rod is pulled outwardly, repeats step 6), until drilling rod moves down multistage supporting sleeve place to.Subsequently, switch off the pump and motor, it entered down again in second boring, repeat step 6) ~ 7), until complete second hole make cave operation.
8), adopt multistage supporting sleeve special tool, supporting sleeve is reclaimed.
9), to equipment clean, connecting leg extraction is carried out to boring.
The appropriate design of bearing unit in the present invention, accurately can determine the direction of jet orifice and crossover port, make flow jet work evidence-based.Adopt the present invention to carry out making cave, rushing powder operation, stress of coal seam can be made effectively to be discharged, promote the quick output of gas.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is B direction view in Fig. 1;
Fig. 4 is the structural representation of positioner;
Fig. 5 is the sectional view after adopting the present invention to make cave;
Fig. 6 is the schematic diagram after two borings are communicated with;
In figure, the Reference numeral of each parts is:
1-high-pressure water pipe; 2-high-pressure hydraulic pump; 3-second wire; Black box in 6-; 7-exterior seal assembly; 8-first tube connector 8; 10-conducting sphere; 12-turns to jet pipe; 13-makes cave jet pipe; 14-drilling rod; 15-resistance wire; Expanding piece of 16-; 17-; 18-turns to jet orifice; 19-diamond drilling tooth; 20-second tube connector; 21-isocon; 22-water tank; 23-huge discharge water pump; 24-indicator lamp; 25-socket; 30-first wire; 31-positioner; 32-fixed mount; 33-intake tunnel; 34-makes cave jet orifice; 35-inlet opening; 36-drill bit; Electric conductor under 37-; 38-roly-poly type container; 39-pitch body; 40-cylinder; Electric conductor in 41-; The upper electric conductor of 42-; 43-first holes; 44-second holes.
Detailed description of the invention
As shown in figs 1 to 6, cherry coal development area of the present invention pore-forming, make cave, rush powder, pressure-relief one-piece gasifying device, comprise the drilling rod 14 of hollow structure, drilling rod 14 front end is provided with conical drill bit 36, be provided with steering in drilling rod 14, make cave system and orientation system, water under high pressure feed system is connected with in the middle part of the rear end of drilling rod 14, steering and make cave system and be positioned at the top of drilling rod 14 and be connected respectively to the corresponding junction of drill bit 36, steering is all connected with water under high pressure feed system with the rear end of making cave system, and orientation system is located at the bottom in drilling rod 14.
Water under high pressure feed system comprises water tank 22, high-pressure hydraulic pump 2 and huge discharge water pump 23, high-pressure hydraulic pump 2 is connected with water tank 22 respectively by high-pressure water pipe 1 with huge discharge water pump 23, the delivery port of high-pressure hydraulic pump 2 is connected with steering and the water inlet making cave system respectively, and the delivery port of huge discharge water pump 23 is connected with in the middle part of the rear end of drilling rod 14.
Steering comprise be located in drilling rod 14 and along drilling rod 14 axial direction arrange turn to jet pipe 12 and be located at drill bit 36 top turn to jet orifice 18, turn to the front end of jet pipe 12 to be connected with turning to jet orifice 18 by the first tube connector 8.
Make cave system comprise make cave jet pipe 13, isocon 21 and be located at drill bit 36 top make cave jet orifice 34, make cave jet pipe 13 to be connected with isocon 21 by the second tube connector 20, make cave jet orifice 34 to be connected with the delivery port of isocon 21, make cave jet orifice 34 and be provided with at least two, make the elongated hole structure that cave jet orifice 34 is circular arc.
Orientation system comprises fixed mount 32, positioner 31, indicator lamp 24 and socket 25, fixed mount 32 is located at the bottom in drilling rod 14, positioner 31 is located on fixed mount 32, socket 25 is located at the rearward end of drilling rod 14, socket 25 is connected with positioner 31 by the first wire 30, and indicator lamp 24 is plugged on socket 25;
Positioner 31 comprises horizontally disposed cylinder 40, the container 38 of roly-poly type is provided with in cylinder 40, pitch body 39 is loaded with in container 38, between the bottom of pitch body 39 and container 38, there is cavity, top in cylinder 40 is provided with electric conductor 42, bottom outside cylinder 40 is provided with lower electric conductor 37, upper electric conductor 42 and lower electric conductor 37 are vertically gone up corresponding, the linear resistance wire 15 be connected with lower electric conductor 37 is provided with bottom container 38, resistance wire 15 is equipped with the conducting sphere 10 that can slide along resistance wire 15, electric conductor 41 in the top of container 38 is provided with and can be connected with upper electric conductor 42, connected by the second wire 3 between conducting sphere 10 and interior electric conductor 41.
Drilling rod 14 nose circle side face is evenly provided with expanding piece 16 that a circle closes on drill bit 36.
The central axis of drill bit 36 is provided with the intake tunnel 33 be connected with drilling rod 14 inside, and drill bit 36 front end is provided with the inlet opening 35 be connected with intake tunnel 33, and the pre-small post-large trochoidal surface outside drill bit 36 is provided with diamond drilling tooth 19.
Black box 6 and exterior seal assembly 7 in drilling rod 14 rear end is provided with and is connected with water under high pressure feed system, bending between interior black box 6 and exterior seal assembly 7 cooperation that intersects, be provided with ring packing rubber pad between interior black box 6 and exterior seal assembly 7.
Dynamical system of the present invention mainly provides power required in rod boring process, creeps into identical, do not repeat them here with conventional drilling tool.For the power made required for cave, be act on rib by after water pressurization with the form of high speed, high-pressure water jet by high-pressure hydraulic pump 2, rib washed away, destroys, and then make cave.For the power creeping into, make in the process of cave required for coal dust discharge, mainly by huge discharge water pump 23, large water gaging is injected from drilling rod 14 inside, by drill bit ejection, coal dust is discharged along the passage between drilling rod 14 and hole wall.
The present invention needs multistage support hole system in operation process, and this system is mainly used for effectively supporting boring, avoids collapse hole.In drilling process, destroying serious when meeting coal body, when there is collapse hole phenomenon continuously, this system can be adopted effectively to support rib, avoid further destruction.Wherein this system may be used for the anti-collapse hole of local, also can all use this system to carry out anti-collapse hole operation by whole eyelet.
Orientation system is mainly determined the orientation turning to jet orifice 18 and make cave jet orifice 34, avoids blindly making cave, guarantees that turning to and make orientation, cave meets design requirement.
What the design of this orientation system took full advantage of tumbler does not fall principle.Moved up and down along resistance wire 15 by the position of the container 38 of appropriate design roly-poly type and conducting sphere 10, when making to turn to jet orifice 18 and drilling rod 14 axis line to be horizontal, whole circuit forms loop, and indicator lamp is bright.And when container 38 is in upright position, indicator lamp 24 is the brightest.When container 38 is in handstand position because resistance wire 15 is connected into circuit, cause circuitous resistance to increase, indicator lamp 24 brightness is darker.Therefore according to the switch of indicator lamp 24 and secretly bright, the position turning to jet orifice 18 and make cave jet orifice 34 can be judged.
Positioner 31 is fixed in the bottom in drilling rod 14 by fixed mount 32, drawing two first wires 30 from fixed mount 32 inside is connected to socket 25, wherein socket 25 is fixed on the end face of drilling rod 14 rearmost end, by indicator lamp 24 is inserted socket 25, whether can open according to indicator lamp 24 and position judgement with light levels.Wherein the shell of positioner 31 is the cylinder 40 of the hollow-core construction that a glass fiber reinforced plastic is made, wherein the axis of this cylinder 40 and the axis parallel of drilling rod 14.The top of this cylinder 40 and bottom distribution secure electric conductor and lower electric conductor, upper electric conductor is connected with the first wire 30 with lower electric conductor simultaneously, the container 38 of the inside of cylinder 40 be by bottom be hollow semi-cylinders, top is that triangle body combines, container 38 can only swing at left and right directions, at fore-and-aft direction because the restriction being subject to fixed mount 32 can not swing.The pitch body 39 that consolidation is solid shape is fixed with in the bottom of container 38, the bottom of the incomplete cartridge 38 of its medium pitch body 39, between bottom pitch body 39 and container 38, there is cavity, can be used for conducting sphere 10 up and down along resistance wire 15, wherein metallic conduction ball 10 can be enclosed within resistance wire 15 and slide up and down, the resistance of regulating circuit, changes the brightness of indicator lamp 24.At the top of container 38, interior electric conductor 41 is installed, is connected by the second wire 3 between conducting sphere 10 and interior electric conductor 41.It is mobilizable why conducting sphere 10 is set to, when being to make container 38 only be in upright or handstand position, just loop is in connected state.When container 38 is in handstand position, the access due to resistance wire 15 causes circuitous resistance to become large, and indicator lamp 24 is dimmed.When container 38 is in upright position, owing to not being connected into resistance wire 15, so indicator lamp 24 is brighter.Connect in the bottom of container 38 on the lower electric conductor 37 of cylinder 40 foot by the first wire 30, avoid container 38 excessive in left and right directions motion.
Steering mainly realizes turning to of boring.Being entered by high-pressure water pipe 1 turns to the water under high pressure of jet pipe 12 to flow out by turning to jet orifice 18, penetrate along the direction angled with drilling axis, act on rib and form jet orifice, continuing of holing subsequently is crept into, play the effect of guiding, make boring direction trend towards jet direction gradually, complete turning to of boring.
Make cave system mainly to wash away rib, destroy, form large cave according to designing requirement, realize stress of coal seam release.Water after high-pressure hydraulic pump 2 pressurizes, by making cave jet pipe 13, enters isocon 21, then enters respectively and makes cave jet orifice 34, makes cave jet orifice 34 and arranges along drill bit annular.Pressurize later High-Pressure Water, washes away, destroys, coal petrography is come off to rib.Destroying coal dust passing away in order to avoid making in the process of cave, cave jet orifice 34 all design drill bit 36 top will be made, can effectively avoid like this discharging later stage coal dust impacting.
The row powder of the present invention in operation process is mainly discharged and is crept into, makes the coal dust produced in the process of cave.Before the first boring 43 is communicated with the second boring 44, coal dust is mainly discharged by the circular passage between drilling rod 14 and coal seam, after the first boring 43 is communicated with the second boring 44, again to first boring 43 or second boring 44 carry out boring make cave time, coal dust from other second boring 44 or first boring 43 discharge.Wherein discharge required power mainly by the large water gaging entered in inlet opening.
After a large amount of coal dust is discharged, aperture is fixed, seals, union extraction.Method is identical with conventional union drainage method, also no longer sets forth.Ingehious design between interior black box and exterior seal assembly effectively can reduce a large amount of outflows of drilling rod 14 internal water, this not only reduces the outflow waste of water, and avoids drilling rod 14 and rotate and impact the continuous water filling of water inlet.
Specific construction step of the present invention is as follows:
1), to equipment check, carry out the preparation before construction.
2), huge discharge water pump 23 and motor is started, start to creep into, until collapse hole is serious, when being difficult to continue to creep into, stop creeping into, exit drilling tool, adopt multistage support aperture apparatus commute collapse hole section effectively to support, support complete after continue to creep into, if again run into serious collapse hole again can enter down multistage anti-collapse aperture apparatus, until drilling depth reaches requirement, complete creeping into of the straight hole part in first hole.
3), now, indicator lamp 24 is inserted socket 25, rotate drilling rod 14 by a small margin, according to indicator lamp 24 switch and bright condition, after jet orifice is positioned, high-pressure hydraulic pump 2 is connected to and turns to jet pipe 12, open high-pressure hydraulic pump 2, carry out turning to jet operation, until Jet Penetration Depth reaches designing requirement, complete the deflecting in first hole.
4), continuing to creep into, in coal seam, form the hole of certain radian, when reaching designing requirement, completing creeping into of the first hole.
5), above-mentioned 2 are repeated) ~ 4) step, creeping into this distance, hole, completing that straight hole creeps into respectively, the engineering in the hole of deflecting and certain radian.Final realization is communicated with first hole.
6), in first hole, pipeline is reached the comparatively depths in hole, open indicator lamp 24, orientation is carried out to jet orifice orientation, by a small margin rotary drill rod 14, until indicator lamp 24 is bright, now connects high-pressure hydraulic pump 2 to making cave jet pipe 13, opening high-pressure hydraulic pump 2.Carry out water jet and make cave operation, and start huge discharge water pump 23 pairs of coal dusts and carry out punching and take.
7), when going out coal dust and being less, drilling rod 14 is pulled outwardly, repeats step 6), until drilling rod 14 moves down multistage supporting sleeve place to.Subsequently, switch off the pump and motor, it entered down again in second boring, repeat step 6) ~ 7), until complete second hole make cave operation.
8), adopt multistage supporting sleeve special tool, supporting sleeve is reclaimed.
9), to equipment clean, connecting leg extraction is carried out to boring.
The present embodiment not does any pro forma restriction to shape of the present invention, material, structure etc.; every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all belong to the protection domain of technical solution of the present invention.
Claims (7)
1. cherry coal development area pore-forming, make cave, rush powder, pressure-relief one-piece gasifying device, it is characterized in that: the drilling rod (14) comprising hollow structure, drilling rod (14) front end is provided with conical drill bit (36), drilling rod is provided with steering in (14), make cave system and orientation system, water under high pressure feed system is connected with in the middle part of the rear end of drilling rod (14), steering and make cave system to be positioned at drilling rod (14) inner and be connected respectively to the corresponding junction of drill bit (36), steering is all connected with water under high pressure feed system with the rear end of making cave system, orientation system is located at the bottom in drilling rod (14),
Described orientation system comprises fixed mount (32), positioner (31), indicator lamp (24) and socket (25), fixed mount (32) is located at the bottom in drilling rod (14), positioner (31) is located on fixed mount (32), socket (25) is located at the rearward end of drilling rod (14), socket (25) is connected with positioner (31) by the first wire (30), and indicator lamp (24) is plugged on socket (25);
Described positioner (31) comprises horizontally disposed cylinder (40), the container (38) of roly-poly type is provided with in cylinder (40), pitch body (39) is loaded with in container (38), between the bottom of pitch body (39) and container (38), there is cavity, top in cylinder (40) is provided with electric conductor (42), the bottom in cylinder (40) outside is provided with lower electric conductor (37), upper electric conductor (42) and lower electric conductor (37) are vertically gone up corresponding, container (38) bottom is provided with the linear resistance wire (15) be connected with lower electric conductor (37), resistance wire (15) is equipped with the conducting sphere (10) that can slide along resistance wire (15), the top of container (38) is provided with the interior electric conductor (41) be connected with upper electric conductor (42), connected by the second wire (3) between conducting sphere (10) and interior electric conductor (41).
2. cherry coal development area according to claim 1 pore-forming, make cave, rush powder, pressure-relief one-piece gasifying device, it is characterized in that: described water under high pressure feed system comprises water tank (22), high-pressure hydraulic pump (2) and huge discharge water pump (23), high-pressure hydraulic pump (2) is connected with water tank (22) respectively by high-pressure water pipe (1) with huge discharge water pump (23), the delivery port of high-pressure hydraulic pump (2) is connected with steering and the water inlet making cave system respectively, and the delivery port of huge discharge water pump (23) is connected with in the middle part of the rear end of drilling rod (14).
3. cherry coal development area according to claim 1 and 2 pore-forming, make cave, rush powder, pressure-relief one-piece gasifying device, it is characterized in that: described steering comprise be located in drilling rod (14) and along drilling rod (14) axial direction arrange turn to jet pipe (12) and be located at drill bit (36) top turn to jet orifice (18), turn to the front end of jet pipe (12) to be connected with turning to jet orifice (18) by the first tube connector (8).
4. cherry coal development area according to claim 1 and 2 pore-forming, make cave, rush powder, pressure-relief one-piece gasifying device, it is characterized in that: described in make cave system comprise make cave jet pipe (13), isocon (21) and be located at drill bit (36) top make cave jet orifice (34), make cave jet pipe (13) to be connected with isocon (21) by the second tube connector (20), make cave jet orifice (34) to be connected with the delivery port of isocon (21), make cave jet orifice (34) and be provided with at least two, make the elongated hole structure that cave jet orifice (34) is circular arc.
5. cherry coal development area according to claim 1 and 2 pore-forming, make cave, rush powder, pressure-relief one-piece gasifying device, it is characterized in that: described drilling rod (14) nose circle side face is evenly provided with expanding piece (16) that a circle closes on drill bit (36).
6. cherry coal development area according to claim 1 and 2 pore-forming, make cave, rush powder, pressure-relief one-piece gasifying device, it is characterized in that: the central axis of described drill bit (36) is provided with the intake tunnel (33) be connected with drilling rod (14) inside, drill bit (36) front end is provided with the inlet opening (35) be connected with intake tunnel (33), and drill bit (36) pre-small post-large trochoidal surface is outward provided with diamond drilling tooth (19).
7. cherry coal development area according to claim 1 and 2 pore-forming, make cave, rush powder, pressure-relief one-piece gasifying device, it is characterized in that: black box (6) and exterior seal assembly (7) in described drilling rod (14) rear end is provided with and is connected with water under high pressure feed system, bending between interior black box (6) and exterior seal assembly (7) the cooperation that intersects, be provided with ring packing rubber pad between interior black box (6) and exterior seal assembly (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN104790873B (en) * | 2015-02-14 | 2017-08-29 | 河南理工大学 | Soft rock layer jet is oriented to the integrated drilling method of the anti-collapse hole of pore-forming reaming |
| CN110005357B (en) * | 2019-04-12 | 2021-05-18 | 西安科技大学 | Vibration anti-sticking hole anti-reflection device and vibration anti-sticking hole anti-reflection method thereof |
| CN111810087B (en) * | 2020-06-12 | 2022-11-08 | 中煤科工集团沈阳研究院有限公司 | Hydraulic large-diameter grading, cave-making, pressure-releasing and permeability-increasing device and method |
| CN111911083B (en) * | 2020-07-06 | 2022-05-17 | 山东科技大学 | Variable pyramid type drilling powder discharging pressure relief method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0044706A2 (en) * | 1980-07-17 | 1982-01-27 | Dickinson III, Ben Wade Oakes | Method and apparatus for forming and using a bore hole |
| CN200978622Y (en) * | 2006-11-11 | 2007-11-21 | 龚智勇 | High pressure water force jet marble jump drilling device |
| CN101871320A (en) * | 2010-05-26 | 2010-10-27 | 中国地质大学（武汉） | Automatic hydraulic offset-correcting method for horizontal drilling and specific drilling tool |
| CN102230363A (en) * | 2011-06-10 | 2011-11-02 | 河南理工大学 | Device and method for drilling and forming hole in coal rock in structural belt |
| CN102926797A (en) * | 2012-11-21 | 2013-02-13 | 河南理工大学 | Drilling, dust discharging and permeability-increasing integrated device for high gas pressure, high geostress and high crushing (three-high) area of coal mine |
| CN103429838A (en) * | 2011-02-25 | 2013-12-04 | Cmte发展有限公司 | Fluid drilling head nozzle design |
| CN103437705A (en) * | 2013-08-19 | 2013-12-11 | 河南理工大学 | Directional and quick hole-forming device for mining-coal bed gas extraction multi-branch holes |
-
2014
- 2014-01-21 CN CN201410026631.0A patent/CN103758454B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0044706A2 (en) * | 1980-07-17 | 1982-01-27 | Dickinson III, Ben Wade Oakes | Method and apparatus for forming and using a bore hole |
| CN200978622Y (en) * | 2006-11-11 | 2007-11-21 | 龚智勇 | High pressure water force jet marble jump drilling device |
| CN101871320A (en) * | 2010-05-26 | 2010-10-27 | 中国地质大学（武汉） | Automatic hydraulic offset-correcting method for horizontal drilling and specific drilling tool |
| CN103429838A (en) * | 2011-02-25 | 2013-12-04 | Cmte发展有限公司 | Fluid drilling head nozzle design |
| CN102230363A (en) * | 2011-06-10 | 2011-11-02 | 河南理工大学 | Device and method for drilling and forming hole in coal rock in structural belt |
| CN102926797A (en) * | 2012-11-21 | 2013-02-13 | 河南理工大学 | Drilling, dust discharging and permeability-increasing integrated device for high gas pressure, high geostress and high crushing (three-high) area of coal mine |
| CN103437705A (en) * | 2013-08-19 | 2013-12-11 | 河南理工大学 | Directional and quick hole-forming device for mining-coal bed gas extraction multi-branch holes |
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