CN117266846A - Intelligent driving and mining device for directional drilling of soft coal seam - Google Patents
Intelligent driving and mining device for directional drilling of soft coal seam Download PDFInfo
- Publication number
- CN117266846A CN117266846A CN202311238639.9A CN202311238639A CN117266846A CN 117266846 A CN117266846 A CN 117266846A CN 202311238639 A CN202311238639 A CN 202311238639A CN 117266846 A CN117266846 A CN 117266846A
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- CN
- China
- Prior art keywords
- nitrogen
- drilling
- driving
- soft coal
- intelligent driving
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 58
- 239000003245 coal Substances 0.000 title claims abstract description 29
- 238000005065 mining Methods 0.000 title claims abstract description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 142
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 68
- 239000007789 gas Substances 0.000 claims abstract description 24
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 239000003921 oil Substances 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 claims description 6
- 239000003566 sealing material Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 2
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/24—Remote control specially adapted for machines for slitting or completely freeing the mineral
Abstract
The embodiment of the invention discloses an intelligent driving and mining device for directional drilling of a soft coal seam, which comprises the following components: a nitrogen generator for generating nitrogen; the drilling machine is used for driving the drill rod; the end part of the drill rod is sequentially provided with a measurement while drilling assembly, a pneumatic screw motor and a drill bit; and one end of the nitrogen conveying pipeline is connected with the air outlet of the nitrogen generator, the other end of the nitrogen conveying pipeline is connected with the gas driving pipeline of the drilling machine, and the gas driving pipeline is connected with the pneumatic screw motor and conveys nitrogen to the drill bit. The nitrogen is adopted for driving, so that the driving performance is improved; and adopt nitrogen gas to cool down and protect the drill bit, improve drilling efficiency and security.
Description
Technical Field
The invention relates to the field of coal seam drilling exploitation, in particular to an intelligent driving and exploiting device for directional drilling of a soft coal seam.
Background
In recent years, along with the integration of various large coal mine groups in China and the resource reforming upgrading and utilization, drilling and tunneling exploitation and drilling restoration of various soft outstanding coal seams are carried out, and the traditional compressed gas or water injection auxiliary flooding exploitation is adopted, so that the defects of high oxygen content, high water content, easy hole collapse, drilling sticking, spray holes, easy combustion supporting and the like are caused, and the requirements of novel high-efficiency and safe exploitation and exploitation of users cannot be met.
Aiming at the problems caused by the traditional compressed gas or water injection auxiliary flooding in the prior art, no effective solution exists at present.
Disclosure of Invention
In order to solve the problems, the invention provides the intelligent driving device for the directional drilling of the soft coal seam, which is driven by inert gas nitrogen, plays a role in cooling and protecting a drill bit, further improves the stability of drilling and hole forming tunneling of the soft protruding coal seam and a high-gas mine, avoids the problems of hole collapse, fracturing, oxygen concentration overrun, difficult slag discharge and the like, reduces the oil temperature, improves the drilling and production efficiency, and simultaneously reduces the possibility of gas protrusion.
In order to achieve the above purpose, the invention provides an intelligent driving device for a directional drill of a soft coal seam, comprising: a nitrogen generator for generating nitrogen; the drilling machine is used for driving the drill rod; the end part of the drill rod is sequentially provided with a measurement while drilling assembly, a pneumatic screw motor and a drill bit; and one end of the nitrogen conveying pipeline is connected with the air outlet of the nitrogen generator, the other end of the nitrogen conveying pipeline is connected with the gas driving pipeline of the drilling machine, and the gas driving pipeline is connected with the pneumatic screw motor and conveys nitrogen to the drill bit.
Further optionally, the nitrogen generator comprises a compressed air source component, a compressed air pretreatment component, a membrane separation nitrogen production component and a gas switching valve group which are sequentially connected.
Further optionally, a rotary tail joint is arranged at the other end of the drill rod, the nitrogen conveying pipeline is communicated with the rotary tail, and the rotary tail joint is communicated with the drilling machine.
Further optionally, the nitrogen delivery pipeline is communicated with the oil injection pump, and the oil injection pump is used for pumping lubricating oil into the nitrogen delivery pipeline.
Further optionally, hole sealing materials are fully distributed at the hole openings of the coal seam; the drill rod is secured at the aperture by an aperture securing assembly.
Further optionally, a wear pad is provided between the orifice fixing assembly and the drill pipe.
Further optionally, the orifice explosion-proof computer is connected with the drill rod through a data transmission line and is used for detecting the running state.
Further optionally, the orifice dust remover is connected with the orifice fixing component through a negative pressure extraction pipeline and is used for extracting dust generated by drilling.
Further optionally, the method further comprises: and the conveying adjusting assembly is used for adjusting the flow and the pressure of the gas in the nitrogen conveying pipeline on line.
Further optionally, the device further comprises an explosion-proof control box; the explosion-proof control box is used for controlling the power of the drilling machine and the exhaust of the nitrogen generator.
The technical scheme has the following beneficial effects: the nitrogen is adopted for driving, so that the driving performance is improved; and adopt nitrogen gas to cool down and protect the drill bit, improve drilling efficiency and security.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of an intelligent driving device for a soft coal seam directional drill provided by an embodiment of the invention;
fig. 2 is a schematic structural diagram of a nitrogen generator according to an embodiment of the present invention.
Reference numerals: 1-a nitrogen generator; 101-a compressed air source assembly; 102-a compressed air pretreatment assembly; 103-membrane separation nitrogen making assembly; 104-a gas switching valve group; 2-nitrogen conveying pipeline; 3-an oil injection pump; 4-rotary tail connection; 5-a drilling machine; 6-a data transmission line; 7-a drill rod; 8-a measurement while drilling assembly; 9-a pneumatic screw motor; 10-a drill bit; 11-an orifice explosion-proof computer; 12-orifice dust collector; 13-an orifice fixation assembly; 14-a wear-resistant gasket; 15-hole sealing materials.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the problems of easy hole collapse, drill sticking, spray holes, easy combustion supporting and the like caused by adopting compressed gas or water injection auxiliary drive in the prior art, the embodiment of the invention provides an intelligent driving device for a soft coal seam directional drill, and fig. 1 is a schematic structural diagram of the intelligent driving device for the soft coal seam directional drill, provided by the embodiment of the invention, as shown in fig. 1, the device comprises: a nitrogen generator 1 for generating nitrogen; the drilling machine 5 is used for driving the drill rod 7; the end part of the drill rod 7 is sequentially provided with a measurement while drilling assembly 8, a pneumatic screw motor 9 and a drill bit 10; and one end of the nitrogen conveying pipeline 2 is connected with the air outlet of the nitrogen generator 1, the other end of the nitrogen conveying pipeline 2 is connected with a gas driving pipeline of the drilling machine 5, and the gas driving pipeline is connected with a pneumatic screw motor 9 and conveys nitrogen to the drill bit 10.
As shown in fig. 1, nitrogen gas produced by the nitrogen generator 1 is transmitted into the drilling machine 5 from the nitrogen transmission pipeline 2 and is input into the pneumatic screw motor 9 through the gas driving pipeline to drive the pneumatic screw motor 9, and the nitrogen gas also enters the drill bit 10 to cool and protect the drill bit 10, so that the problems of hole collapse, fracturing, oxygen concentration overrun and slag discharge difficulty are avoided, and the drilling efficiency and the safety are improved.
The drill 5 drives the drill rod 7 to ensure that the drill rod 7 can finish drilling, and the pneumatic screw motor 9 drives the drill bit 10 to drill in a rotating way. The end of the drill rod 7 is also provided with a measurement while drilling assembly 8 for measuring the condition and the nearby condition of the drill rod 7 during drilling and for transmitting relevant parameters back to the control.
As an alternative embodiment, the nitrogen generator 1 includes a compressed air source assembly 101, a compressed air pretreatment assembly 102, a membrane separation nitrogen production assembly 103, and a gas switching valve block 104, which are sequentially connected.
The nitrogen generator 1 comprises a compressed air source assembly 101, a compressed air pretreatment assembly 102, a membrane separation nitrogen production assembly 103 and a gas switching valve group 104 which are connected in sequence.
The compressed air source assembly 101 includes an air compressing and cooling dryer for compressing and cooling and drying air to obtain compressed air.
The compressed air pretreatment assembly 102 comprises a surge tank, a filter and the like, and is used for stabilizing the pressure of the compressed air, removing dust, removing oil, removing water and the like.
The membrane separation nitrogen production module 103 separates the nitrogen gas from the oxygen gas and the like by the membrane separation technology to obtain pure nitrogen gas.
The gas switching valve block 104 is provided with a solenoid valve, a speed regulating valve, etc., so that nitrogen is output from different pipelines.
In addition to the above components, the nitrogen generator 1 further comprises a control box for displaying various parameters in the nitrogen production process and completing the control of the components.
As an alternative embodiment, the other end of the drill rod 7 is provided with a rotary joint 4, the nitrogen delivery pipeline 2 is communicated with the rotary joint 4, and the rotary joint 4 is communicated with the drilling machine 5.
The rotary tail joint 4 is connected with one end of a drill rod 7, the drill rod 7 can drill under the drive of the drilling machine 5, and the nitrogen conveying pipeline 2 is connected into the rotary tail joint 4 and is connected into a gas driving pipeline of the drilling machine 5.
As an alternative embodiment, the nitrogen line 2 communicates with an oil injection pump 3, the oil injection pump 3 being used to pump lubrication oil into the nitrogen line 2.
The oil injection pump 3 pumps the lubricating oil into the nitrogen delivery pipeline 2, and specifically, the oil injection pump 3 atomizes the lubricating oil, so that the lubricating oil can enter the drilling machine 5, the pneumatic screw motor 9 and the like together with nitrogen, the lubricating oil plays a role in lubrication, the running efficiency of the device is improved, and the running duration is ensured.
As an alternative embodiment, the hole of the coal seam is fully filled with the hole sealing material 15; the drill rod 7 is secured at the bore by a bore securing assembly 13.
The hole sealing material 15 is fully distributed at the hole opening of the soft coal seam drill, and further, the hole opening of the soft coal seam is of a concave structure.
The orifice fixing component 13 is arranged at the orifice and fixedly connected with two sides of the orifice, the drill rod 7 passes through the orifice fixing component 13 to drill into the orifice, the rear end of the drill rod 7 is ensured to have a supporting point, and the stability of the drill rod 7 is improved.
As an alternative embodiment, a wear washer 14 is provided between the orifice fixing assembly 13 and the drill rod 7.
A wear-resistant gasket 14 is further arranged between the orifice fixing assembly 13 and the drill rod 7, and the wear-resistant gasket 14 improves the supporting force on the drill rod 7 and causes abrasion to the gasket when the drill rod 7 is placed for movement.
As an alternative embodiment, the port explosion-proof computer 11 is connected to the drill rod 7 via the data transmission line 6 for detecting the operating state.
The data transmission line 6 collects the position of the pneumatic screw motor 9 through the measurement while drilling assembly 8, and transmits the position of the pneumatic screw motor to the orifice explosion-proof computer 11, and the orientation function is realized by changing the angle of the pneumatic screw motor, so that the drill bit 10 is controlled to drill in the target direction.
As an alternative embodiment, the orifice dust remover 12 is connected to the orifice fixing assembly 13 by a negative pressure extraction line for extracting dust generated by drilling.
The orifice dust remover 12 extracts smoke dust generated by orifice drilling through a negative pressure extraction pipeline, so that potential safety hazards caused by dust flying are reduced.
As an alternative embodiment, further comprising: and the conveying adjusting assembly is used for adjusting the flow and the pressure of the gas in the nitrogen conveying pipeline 2 on line.
The conveying adjusting component can automatically control the flow and the pressure of the nitrogen in the nitrogen conveying pipeline 2 on line, and further, the conveying adjusting component can be electrically connected with the measurement while drilling component 8, and the flow and the pressure of the nitrogen can be changed in real time according to the parameters measured by the measurement while drilling component 8.
As an alternative embodiment, the device further comprises an explosion-proof control box; the explosion-proof control box is used for controlling the power of the drilling machine 5 and the exhaust of the nitrogen generator 1.
The intelligent explosion-proof control box with coal safety certification is designed, the control requirement of an intelligent driving and mining system is met, and components such as the nitrogen generator 1, the drilling machine 5 and the like can be uniformly controlled.
The technical scheme has the following beneficial effects: the nitrogen is adopted for driving, so that the driving performance is improved; and adopt nitrogen gas to cool down and protect the drill bit, improve drilling efficiency and security.
The foregoing description of the embodiments of the present invention further provides a detailed description of the objects, technical solutions and advantages of the present invention, and it should be understood that the foregoing description is only illustrative of the embodiments of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. that fall within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. An intelligent drive of soft coal seam directional drill adopts device, its characterized in that includes:
a nitrogen generator for generating nitrogen;
the drilling machine is used for driving the drill rod;
the end part of the drill rod is sequentially provided with a measurement while drilling assembly, a pneumatic screw motor and a drill bit;
and one end of the nitrogen conveying pipeline is connected with the air outlet of the nitrogen generator, the other end of the nitrogen conveying pipeline is connected with the gas driving pipeline of the drilling machine, and the gas driving pipeline is connected with the pneumatic screw motor and conveys nitrogen to the drill bit.
2. The intelligent driving and mining device for directional drilling of soft coal seams according to claim 1, wherein:
the nitrogen generator comprises a compressed air source component, a compressed air pretreatment component, a membrane separation nitrogen production component and a gas switching valve group which are connected in sequence.
3. The intelligent driving and mining device for directional drilling of soft coal seams according to claim 1, wherein:
the other end of the drill rod is provided with a rotary tail joint, the nitrogen conveying pipeline is communicated with the rotary tail, and the rotary tail joint is communicated with the drilling machine.
4. The intelligent driving and mining device for directional drilling of soft coal seams according to claim 1, wherein:
the nitrogen conveying pipeline is communicated with the oil injection pump, and the oil injection pump is used for pumping lubricating oil into the nitrogen conveying pipeline.
5. The intelligent driving and mining device for directional drilling of soft coal seams according to claim 1, wherein:
hole sealing materials are fully distributed at the hole openings of the coal seam;
the drill rod is secured at the aperture by an aperture securing assembly.
6. The intelligent driving and mining device for directional drilling of the soft coal seam according to claim 5, wherein the intelligent driving and mining device is characterized in that:
and a wear-resistant gasket is arranged between the orifice fixing assembly and the drill rod.
7. The intelligent driving and mining device for directional drilling of soft coal seams according to claim 1, wherein:
and the orifice explosion-proof computer is connected with the drill rod through a data transmission line and is used for detecting the running state.
8. The intelligent driving and mining device for directional drilling of soft coal seams according to claim 1, wherein:
the orifice dust remover is connected with the orifice fixing component through a negative pressure extraction pipeline and is used for extracting dust generated by drilling.
9. The device for intelligently driving and mining directional drills in a soft coal seam of claim 1, further comprising:
and the conveying adjusting assembly is used for adjusting the flow and the pressure of the gas in the nitrogen conveying pipeline on line.
10. The intelligent driving and mining device for directional drilling of a soft coal seam according to claim 1, further comprising an explosion-proof control box;
the explosion-proof control box is used for controlling the power of the drilling machine and the exhaust of the nitrogen generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311238639.9A CN117266846A (en) | 2023-09-25 | 2023-09-25 | Intelligent driving and mining device for directional drilling of soft coal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311238639.9A CN117266846A (en) | 2023-09-25 | 2023-09-25 | Intelligent driving and mining device for directional drilling of soft coal seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117266846A true CN117266846A (en) | 2023-12-22 |
Family
ID=89219190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311238639.9A Pending CN117266846A (en) | 2023-09-25 | 2023-09-25 | Intelligent driving and mining device for directional drilling of soft coal seam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117266846A (en) |
-
2023
- 2023-09-25 CN CN202311238639.9A patent/CN117266846A/en active Pending
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