CN111255375A - Plasma ice layer drill bit and plasma ice layer drilling equipment - Google Patents
Plasma ice layer drill bit and plasma ice layer drilling equipment Download PDFInfo
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- CN111255375A CN111255375A CN202010099388.0A CN202010099388A CN111255375A CN 111255375 A CN111255375 A CN 111255375A CN 202010099388 A CN202010099388 A CN 202010099388A CN 111255375 A CN111255375 A CN 111255375A
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- 238000005553 drilling Methods 0.000 title claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 158
- 230000007246 mechanism Effects 0.000 claims abstract description 75
- 238000005086 pumping Methods 0.000 claims abstract description 27
- 230000008018 melting Effects 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000008014 freezing Effects 0.000 claims description 3
- 238000007710 freezing Methods 0.000 claims description 3
- 239000000155 melt Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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Classifications
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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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/14—Drilling by use of heat, e.g. flame drilling
- E21B7/15—Drilling by use of heat, e.g. flame drilling of electrically generated heat
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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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/008—Drilling ice or a formation covered by ice
Abstract
The invention is suitable for the technical field of drilling equipment, and particularly relates to a plasma ice layer drill bit and plasma ice layer drilling equipment, wherein the plasma ice layer drill bit comprises: the shell is used for installing the drilling mechanism and the water pumping mechanism; the drilling mechanism is arranged at one end of the shell, which is close to the ice surface, and is used for puncturing and melting the contact ice layer through high-temperature and high-pressure plasma generated by the drilling mechanism; and the water pumping mechanism is arranged on one side of the shell far away from the drilling mechanism and used for conveying water for ionization of the drilling mechanism and extracting water formed by melting of an ice layer for the drilling mechanism. According to the plasma ice layer drill bit provided by the embodiment of the invention, the drilling mechanism and the water pumping mechanism are installed through the shell, the water pumping mechanism supplies water for the drilling mechanism, the drilling mechanism ionizes the water through high-voltage pulse current to form high-temperature high-pressure plasma, and the high-temperature high-pressure plasma breaks and melts the ice layer so as to achieve the purpose of drilling. The device has simple structure, high drilling efficiency, environmental protection and no pollution.
Description
Technical Field
The invention belongs to the technical field of drilling equipment, and particularly relates to a plasma ice layer drill bit and plasma ice layer drilling equipment.
Background
The polar ice cap is an important component of the global system, accounting for about 10% of the global land area, and its main components, besides water, are chemicals, solid dust particles and gases dissolved therein. The polar region ice core is obtained, and the method has great significance for the research of the ancient climate change, the prediction of the future climate change and the analysis and the research of the environmental change. The rapid drilling is carried out in the polar region, various monitoring instruments are arranged in the holes, and the device is also of great significance for researching the movement and the change of the ice cover of the polar region, the temperature and pressure environment of the bottom of the ice cover, the geomagnetic characteristics and the like.
The steam drilling machine used at present is a fire tube type steam drilling machine, and has the defects of heavy device, large volume, long heating time, low heat efficiency, great pollution to glacier environment, certain potential safety hazard, limitation on the use occasions and ranges and great limitation on related scientific research work in high-altitude areas.
Disclosure of Invention
The embodiment of the invention aims to provide a plasma ice layer drill bit and aims to solve the problems that an existing glacier drilling device is low in drilling efficiency and large in environmental pollution.
The embodiment of the invention is realized in such a way that the plasma ice layer drill bit comprises:
the shell is used for installing the drilling mechanism and the water pumping mechanism;
the drilling mechanism is arranged at one end of the shell, which is close to the ice surface, and is used for puncturing and melting the contact ice layer through high-temperature and high-pressure plasma generated by the drilling mechanism;
and the water pumping mechanism is arranged on one side of the shell far away from the drilling mechanism and used for conveying water for ionization of the drilling mechanism and extracting water formed by melting of an ice layer for the drilling mechanism.
Preferably, the drilling mechanism comprises:
the electric structure is fixedly connected with the shell and used for transmitting the high-voltage pulse current to the drill bit;
the drill bit, drill bit and electric connection and fixed the setting and be close to ice surface one side at the casing for utilize high-voltage pulse current to puncture and melt the ice sheet with the drill bit contact.
Preferably, the drill comprises a high-voltage electrode drill and a ground electrode drill, the high-voltage electrode drill is arranged on the periphery of the ground electrode drill, and a plasma channel is formed between the high-voltage electrode drill and the ground electrode drill.
Preferably, the high-voltage electrode drill is provided with a spray head, and water conveyed by the water pumping mechanism is sprayed to the plasma channel through the spray head.
Preferably, the grounding electrode drill bit is a hollow cylinder, and the inner diameter of the hollow cylinder is provided with an ice core snap-off device for snapping off the ice core in the hollow cylinder.
Preferably, the water pumping mechanism includes:
the water supply structure is fixedly connected with the shell and used for conveying water to a position where the drilling mechanism is contacted with the ice surface;
and the water absorption structure is fixedly connected with the shell and used for guiding out the melted water at the contact part of the drilling mechanism and the ice surface.
Preferably, the water absorption structure comprises a liquid level sensor, and the liquid level sensor is arranged at one end, close to the ice surface, of the shell and used for monitoring the immersion depth of the plasma ice layer drill bit.
Preferably, the water pumping mechanism further comprises a water storage cabin, and the water outlet end of the water absorbing structure and the water inlet end of the water supply structure are both communicated with the water storage cabin.
Preferably, the periphery of the water storage cabin is provided with a heating resistance wire for preventing water in the water storage cabin from freezing.
Another object of an embodiment of the present invention is to provide a plasma ice layer drilling apparatus, including a generator, a high voltage pulse generator, a winch, an armored cable, and an orifice guide device, where the plasma ice layer drilling apparatus further includes the plasma ice layer drill bit as described above, the generator is electrically connected to the high voltage pulse generator, the high voltage pulse generator is electrically connected to the plasma ice layer drill bit through the armored cable, the armored cable is wound around the winch, and one end of the armored cable close to the plasma ice layer drill bit is connected to the plasma ice layer drill bit by bypassing the orifice guide device.
According to the plasma ice layer drill bit provided by the embodiment of the invention, the drilling mechanism and the water pumping mechanism are installed through the shell, the water pumping mechanism supplies water for the drilling mechanism, the drilling mechanism ionizes the water through high-voltage pulse current to form high-temperature high-pressure plasma, and the high-temperature high-pressure plasma breaks and melts the ice layer so as to achieve the purpose of drilling. The device has simple structure, high drilling efficiency, environmental protection and no pollution.
Drawings
FIG. 1 is a schematic structural diagram of a first plasma ice layer drill according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second plasma ice layer drill according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a plasma ice layer drilling apparatus according to an embodiment of the present invention.
In the drawings: 1. a snowmobile; 2. a generator; 3. a high voltage pulse generator; 4. a sled; 5. a winch; 6. an orifice guide; 7. an armored cable; 8. a plasma ice layer drill bit; 9. a housing; 10. a water pumping mechanism; 11. an electrical structure; 12. an ice core; 13. a high voltage electrode drill; 14. a ground electrode drill bit; 15. an ice core snap; 16. a plasma channel; 901. a water storage compartment; 902. an outer pipe of the water storage cabin; 903. a cable passage tube; 904. heating resistance wires; 101. a circulating pump is arranged inside; 102. a circulating pump water suction pipe; 103. a circulating pump drain pipe; 104. a water suction pump is arranged inside; 105. a water suction pump drain pipe; 106. a water inlet pipe of a water suction pump; 107. a water storage system central pipe; 111. a cable suspension device; 112. an electric compartment; 113. a ground electrode cable; 114. a high voltage electrode cable; 121. an inner insulating tube; 122. an outer insulating tube; 123. insulating the coring pipe; 124. a high-voltage electrode conductive copper tube; 125. grounding the electrode conductive copper tube; 126. a liquid level sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a schematic structural diagram of a plasma ice layer drill according to an embodiment of the present invention is provided, where the plasma ice layer drill includes:
the shell is used for installing the drilling mechanism and the water pumping mechanism;
the drilling mechanism is arranged at one end of the shell, which is close to the ice surface, and is used for puncturing and melting the contact ice layer through high-temperature and high-pressure plasma generated by the drilling mechanism;
and the water pumping mechanism is arranged on one side of the shell far away from the drilling mechanism and used for conveying water for ionization of the drilling mechanism and extracting water formed by melting of an ice layer for the drilling mechanism.
In the embodiment of the invention, the shell 9 is a hollow cylindrical structure, one end of the shell is provided with an opening, the other end of the shell is provided with an opening, a water pumping mechanism 10 is arranged on one side of the inner cavity of the shell 9, which is close to the opening, and a drilling mechanism is arranged on one side of the inner cavity of the shell 9, which is far away from the opening. During drilling operation, the water pumping mechanism 10 pumps water to a contact point of the drilling mechanism and the ice surface, the drilling mechanism ionizes the water through high pressure to form high-temperature and high-pressure plasma, the high-temperature and high-pressure plasma crushes and melts the ice surface through extrusion and high temperature, and then the purpose of drilling is achieved. In the drilling process, the ice surface is continuously melted, and the water pumping mechanism 10 pumps away excessive melted water to ensure the drilling work.
As shown in fig. 1, as a preferred embodiment of the present invention, the drilling mechanism includes:
the electric structure is fixedly connected with the shell and used for transmitting the high-voltage pulse current to the drill bit;
the drill bit, drill bit and electric connection and fixed the setting and be close to ice surface one side at the casing for utilize high-voltage pulse current to puncture and melt the ice sheet with the drill bit contact.
In the embodiment of the present invention, the electrical structure 11 includes a cable suspension device 111 and an electrical cabin 112, one end of the cable suspension device 111 is fixedly connected to the housing 9, and the other end is fixedly connected to the electrical cabin 112, the electrical cabin 112 is electrically connected to the ground electrode drill 14 through a ground electrode cable 113 and a ground electrode copper tube 125, and is electrically connected to the high voltage electrode drill 13 through a high voltage electrode cable 114 and a high voltage electrode copper tube 124. The grounding electrode cable 113 and the grounding electrode conductive copper tube 125 are isolated from the high-voltage electrode cable 114 and the high-voltage electrode conductive copper tube 124 through the outer insulating tube 122; the grounding electrode cable 113 and the grounding electrode conductive copper tube 125 are isolated from the ice core 12 through the inner insulating tube 121; the high-voltage electrode cable 114 and the high-voltage electrode conductive copper pipe 124 are isolated from the melted water on the outer edge of the shell 9 through an insulating coring pipe 123. In the process of drilling, the electric cabin 112 transmits high-voltage pulse current to the high-voltage electrode drill bit 13 and the grounding electrode drill bit 14, the high-voltage electrode drill bit 13 and the grounding electrode drill bit 14 ionize water existing between the high-voltage electrode drill bit and the grounding electrode drill bit, and the generated high-temperature and high-pressure plasma breaks down and melts an ice layer in contact with the drill bits, so that drilling is achieved.
As shown in fig. 1, as a preferred embodiment of the present invention, the drill includes a high voltage electrode drill and a ground electrode drill, the high voltage electrode drill is disposed at the periphery of the ground electrode drill, and a plasma channel is formed between the high voltage electrode drill and the ground electrode drill.
In the embodiment of the invention, the high-voltage electrode drill bit 13 is of a hollow annular structure, the high-voltage electrode drill bit 13 is arranged at the periphery of the grounding electrode drill bit 14, and under the action of high-voltage pulse current, water between the high-voltage electrode drill bit and the grounding electrode drill bit forms a plasma channel, so that annular drilling on an ice surface is realized.
As shown in fig. 1, as a preferred embodiment of the present invention, the high voltage electrode drill is provided with a nozzle through which water delivered by a water pumping mechanism is passed to a plasma channel.
In the embodiment of the invention, the high-voltage electrode drill bit 13 is provided with a plurality of nozzles along the circumferential direction, the nozzles are communicated with the water pumping mechanism 10, and during drilling operation, water conveyed to the nozzles by the water pumping mechanism 10 is sprayed to the plasma channel to supplement water in the plasma channel.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the ground electrode bit is a hollow cylinder having an inner diameter provided with an ice core trip for tripping the ice core inside the hollow cylinder.
In the present embodiment, the ground electrode bit 14 is also a hollow cylindrical structure, and the ground electrode bit 14 is provided with an ice core stopper 15 at an inner diameter. When the drilling operation is carried out, when the hole is drilled to a certain depth, in order to avoid the collision between the ice core 12 and the structure above the ice core, the method of cleaning the ice core at regular time is adopted, the ice core 12 is blocked and broken through the ice core blocking device 15, then the drill bit is taken out from the air, and the drilling operation can be carried out again after the ice core 12 is cleaned.
In the embodiment of the invention, the end of the ground electrode drill bit 14, which is in contact with the ice surface, can also be set to be a plane, and all the contacted ice blocks are directly melted by plasma, so that the purpose of punching is achieved. With this ground electrode drill 14, the ice core catcher 15 is not required.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the water pumping mechanism includes:
the water supply structure is fixedly connected with the shell and used for conveying water to a position where the drilling mechanism is contacted with the ice surface;
and the water absorption structure is fixedly connected with the shell and used for guiding out the melted water at the contact part of the drilling mechanism and the ice surface.
In the embodiment of the invention, the water supply structure comprises a built-in circulating pump 101, a circulating pump water suction pipe 102 and a circulating pump water discharge pipe 103, wherein the circulating pump water suction pipe 102 and the circulating pump water discharge pipe 103 are respectively communicated with a water inlet and a water outlet of the built-in circulating pump 101, and a spray head in a drilling mechanism at one end of the circulating pump water suction pipe 102, which is far away from the built-in circulating pump 101, is communicated; the water absorption structure comprises a built-in water absorption pump 104, a water absorption pump drainage pipe 105 and a water absorption pump inlet pipe 106, the water absorption pump drainage pipe 105 and the water absorption pump inlet pipe 106 are respectively communicated with a water outlet and a water inlet of the water absorption pump 104, and one end, far away from the water absorption pump 104, of the water absorption pump inlet pipe 106 is communicated with a water body above an ice surface. When drilling operation is carried out, the built-in circulating pump 101 conveys water to a spray head in the drilling mechanism through the circulating pump water discharge pipe 103, and the water suction pump 104 pumps redundant water above the ice surface away from the ice surface through the water suction pump water inlet pipe 106 so as to ensure the normal work of the drilling mechanism.
As shown in fig. 1 and 2, as a preferred embodiment of the invention, the water absorption structure comprises a liquid level sensor, which is arranged at one end of the shell close to the ice surface and is used for monitoring the immersion depth of the plasma ice layer drill bit.
In the embodiment of the invention, the liquid level sensor 126 is used for monitoring the depth of the drill bit immersed in the water body and controlling the water suction pump 104 to pump water according to the sub-depth, so that the situation that the water suction pump 104 is always in a working state and the water supply between the drilling mechanism and the ice surface is insufficient is avoided.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the water pumping mechanism further comprises a water storage chamber, and the water outlet end of the water absorbing structure and the water inlet end of the water supply structure are both communicated with the water storage chamber.
In the embodiment of the invention, the circulating pump suction pipe 102 is communicated with the suction pump drain pipe 105 through the water storage cabin 901, so that water in the device is recycled, and resources are saved.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, a heating resistance wire is provided around the water storage compartment to prevent the water in the water storage compartment from freezing.
In the embodiment of the invention, the heating resistance wire 904 is arranged on the periphery of the water storage cabin 901, the water storage cabin 901 is surrounded by the water storage cabin outer pipe 902 and the upper cover, and the heating resistance wire 904 is used for heating water in the water storage cabin 901 due to extremely low temperature of glaciers, so that the problem that the circulating pump water suction pipe 102 cannot supply water for a drilling mechanism due to icing of the water in the water storage cabin 901 is avoided. A cable channel pipe 903 for passing a cable is arranged in the middle of the water storage cabin 901, and a water storage system central pipe 107 for passing the cable is arranged between the water storage cabin 901 and the drilling mechanism. The outer pipe 905 of the water storage system is arranged at the periphery of the outer pipe 902 of the water storage cabin.
As shown in fig. 1, 2 and 3, the invention further provides plasma ice layer drilling equipment, which comprises a generator, a high-voltage pulse generator, a winch, an armored cable and an orifice guide device, wherein the plasma ice layer drilling equipment further comprises the plasma ice layer drill bit, the generator is electrically connected with the high-voltage pulse generator, the high-voltage pulse generator is electrically connected with the plasma ice layer drill bit through the armored cable, the armored cable is wound on the winch, and one end, close to the plasma ice layer drill bit, of the armored cable is connected with the plasma ice layer drill bit by bypassing the orifice guide device.
In the embodiment of the invention, the generator 2, the high-voltage pulse generator 3, the winch 5 and the orifice guide 6 are all fixed on the sled 4, and the sled 4 can be driven by the snowmobile 1 to move and transport on the polar ice cover. The armored cable 7 is wound on the winch 5, one end of the armored cable is connected with the high-voltage pulse generator 3, and the other end of the armored cable is connected with the hole bottom plasma ice layer drill bit 8.
In the embodiment of the invention, the working process of the plasma ice layer drilling equipment is as follows: during drilling operation, the high-voltage pulse generator 3 is started to generate high-voltage pulse current, and the high-voltage pulse current is transmitted into the electric cabin 112 of the plasma ice layer drill bit 8 through the armored cable 7. The electrical compartment 112 supplies power to the high voltage electrode bit 13 and the ground electrode bit 14, respectively, with a plasma channel 16 formed therebetween. Meanwhile, the built-in circulating pump 101 sprays water prestored in the water storage cabin 901 at a high speed through a nozzle on the high-voltage electrode drill bit 13, when the water flows through the plasma channel 16, the water is ionized by high-voltage pulse current between the high-voltage electrode drill bit 13 and the grounding electrode drill bit 14 to form high-temperature high-pressure plasma, the high-temperature high-pressure plasma expands and punctures a contact ice layer at a very high speed to crush and melt the ice layer, so that the drilling action is completed, the generated water is accumulated at the bottom of a hole to reach a certain height, then the built-in water suction pump 104 is monitored by the liquid level sensor 126 and started to suck the melted water into the water storage cabin 902 for storage, and then. When the grounding electrode drill bit 14 adopts a hollow cylindrical structure, after the drilling reaches the depth of the next time, the drilling tool is lifted up by the armored cable, the ice core breaking device 15 breaks the ice core 12, and the plasma ice layer drill bit is lifted to the ground surface for processing. In order to prevent the temperature in the water storage cabin 902 from being too low, a heating resistance wire 904 is wound on the water storage cabin 902 and is subjected to heating treatment as required.
The plasma ice layer drilling equipment provided by the invention is transported and moved by the snowfield vehicle 1, the whole system is simple and compact in structure, light in weight and small in size, and the logistics support burden of the polar region is greatly reduced. The invention utilizes the high-temperature and high-pressure characteristics of the plasma to puncture, break and melt the ice layer, does not need drilling fluid circulation, only utilizes the ice layer molten water to electrolyze to form the plasma, has high drilling speed and high efficiency, does not pollute the polar region ice layer, is safe and reliable, and is beneficial to coring or comprehensive drilling operation in the polar region ice layer environment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A plasma ice drill bit, comprising:
the shell is used for installing the drilling mechanism and the water pumping mechanism;
the drilling mechanism is arranged at one end of the shell, which is close to the ice surface, and is used for puncturing and melting the contact ice layer through high-temperature and high-pressure plasma generated by the drilling mechanism;
and the water pumping mechanism is arranged on one side of the shell far away from the drilling mechanism and used for conveying water for ionization of the drilling mechanism and extracting water formed by melting of an ice layer for the drilling mechanism.
2. The plasma ice drill bit of claim 1, wherein the drilling mechanism comprises:
the electric structure is fixedly connected with the shell and used for transmitting the high-voltage pulse current to the drill bit;
the drill bit, drill bit and electric connection and fixed the setting and be close to ice surface one side at the casing for utilize high-voltage pulse current to puncture and melt the ice sheet with the drill bit contact.
3. The plasma ice drill of claim 2, wherein the drill comprises a high voltage electrode drill and a ground electrode drill, the high voltage electrode drill is disposed at the periphery of the ground electrode drill, and a plasma channel is formed between the high voltage electrode drill and the ground electrode drill.
4. The plasma ice layer drill bit of claim 3, wherein the high voltage electrode drill bit is provided with a spray head through which water delivered by the water pumping mechanism is sprayed to the plasma channel.
5. A plasma ice drill according to claim 3, wherein the earth electrode drill is a hollow cylinder, and the inner diameter of the hollow cylinder is provided with an ice core cutter for cutting off the ice core in the hollow cylinder.
6. The plasma ice bit of claim 1, wherein the water pumping mechanism comprises:
the water supply structure is fixedly connected with the shell and used for conveying water to a position where the drilling mechanism is contacted with the ice surface;
and the water absorption structure is fixedly connected with the shell and used for guiding out the melted water at the contact part of the drilling mechanism and the ice surface.
7. The plasma ice drill bit of claim 6, wherein the water absorbing structure comprises a liquid level sensor disposed at an end of the housing near the ice surface for monitoring a depth of water into which the plasma ice drill bit is immersed.
8. The plasma ice layer drill bit of claim 6, wherein the water pumping mechanism further comprises a water storage chamber, and the water outlet end of the water absorbing structure and the water inlet end of the water supply structure are both communicated with the water storage chamber.
9. The plasma ice drill bit as claimed in claim 6, wherein the periphery of the water storage compartment is provided with heating resistance wires for preventing water in the water storage compartment from freezing.
10. A plasma ice layer drilling device comprises a generator, a high-voltage pulse generator, a winch, an armored cable and an orifice guiding device, and is characterized by further comprising the plasma ice layer drill bit as claimed in any one of claims 1 to 9, wherein the generator is electrically connected with the high-voltage pulse generator, the high-voltage pulse generator is electrically connected with the plasma ice layer drill bit through the armored cable, the armored cable is wound on the winch, and one end, close to the plasma ice layer drill bit, of the high-voltage pulse generator bypasses the orifice guiding device and is connected with the plasma ice layer drill bit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010099388.0A CN111255375A (en) | 2020-02-18 | 2020-02-18 | Plasma ice layer drill bit and plasma ice layer drilling equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010099388.0A CN111255375A (en) | 2020-02-18 | 2020-02-18 | Plasma ice layer drill bit and plasma ice layer drilling equipment |
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| CN111255375A true CN111255375A (en) | 2020-06-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963095A (en) * | 2021-03-16 | 2021-06-15 | 中国科学院西北生态环境资源研究院 | Steam drill pumping device |
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