CN115657115A - Combustible gas seismic source bomb - Google Patents
Combustible gas seismic source bomb Download PDFInfo
- Publication number
- CN115657115A CN115657115A CN202211376472.8A CN202211376472A CN115657115A CN 115657115 A CN115657115 A CN 115657115A CN 202211376472 A CN202211376472 A CN 202211376472A CN 115657115 A CN115657115 A CN 115657115A
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- Prior art keywords
- ignition
- inflation
- connecting pipe
- accommodating cavity
- bomb
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- 238000007789 sealing Methods 0.000 claims abstract description 28
- 238000005422 blasting Methods 0.000 claims abstract description 27
- 239000007789 gas Substances 0.000 claims description 35
- 239000002737 fuel gas Substances 0.000 claims description 10
- 238000004880 explosion Methods 0.000 abstract description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 4
- 239000001569 carbon dioxide Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003721 gunpowder Substances 0.000 abstract description 3
- 239000002360 explosive Substances 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000977 initiatory effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000012528 membrane Substances 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to the field of seismic source bombs, and discloses a combustible gas seismic source bomb which comprises a shell, an ignition assembly, an inflation assembly and a blasting diaphragm, wherein an accommodating cavity for accommodating combustible gas is formed in the shell, a first end of the shell is closed and is provided with an ignition connecting pipe communicated with the accommodating cavity and an inflation connecting pipe communicated with the accommodating cavity, and a second end of the shell is provided with an opening; the ignition assembly is hermetically connected with the ignition connecting pipe; the inflation assembly is hermetically connected with the inflation connecting pipe, one end of the inflation assembly extends into the accommodating cavity, and the other end of the inflation assembly is positioned outside the accommodating cavity and is used for inflating air into the accommodating cavity; a burst disk is disposed at the second end of the housing for sealing the opening of the housing. The invention adopts combustible gas explosion to generate energy, and the explosion product is water and a small amount of carbon dioxide, so that the invention is pollution-free and environment-friendly; the non-gunpowder ignition device is adopted, so that the use and the transportation are safer and more convenient; the directional release of the blasting energy is realized through the blasting diaphragm, the effective energy is large, the energy utilization rate is high, and the secondary damage to surrounding buildings and the like is small.
Description
Technical Field
The invention relates to the technical field of seismic source bombs, in particular to a combustible gas seismic source bomb.
Background
Seismic exploration is a main and effective exploration method for solving the engineering exploration problems of oil-gas exploration and the like in geophysical exploration, and the principle of the method is that seismic waves are excited by an artificial method on the earth surface, when the seismic waves are transmitted to the underground, the seismic waves encounter rock stratum interfaces with different medium properties and are reflected and refracted, and detectors are used for receiving the seismic waves on the earth surface or in a well. The received seismic signals are related to the seismic source characteristics, the location of the geophone points, and the nature and structure of the subterranean strata through which the seismic waves pass. By processing and interpreting seismic wave recordings, the nature and morphology of the subterranean formation can be inferred.
In seismic exploration, excitation of elastic waves is critical. There are two main types of seismic sources widely used at present, one is an explosive explosion source; the other is a physical explosive source. The use of explosive sources for seismic exploration has the following major disadvantages: (1) The toxic and harmful substances generated after the explosive explodes cause environmental pollution; (2) poor safety in transportation and use; (3) Special initiating explosive device qualification and approval are required for transportation and use; (4) The direction of a seismic source is uncontrollable, seismic clutter is more, the energy utilization rate is low, and the damage to surrounding buildings is easily caused. In view of the above, the use of explosive sources in seismic exploration has been increasingly limited in recent years. Therefore, it is necessary to develop an environmentally friendly seismic source that can replace traditional explosives.
Disclosure of Invention
The invention aims to provide a combustible gas seismic source bomb which is high in safety, high in energy utilization rate and small in damage to surrounding buildings.
The technical scheme provided by the invention is as follows:
a combustible gas source projectile comprising:
the gas-burning stove comprises a shell, a gas-burning stove and a gas-burning stove, wherein an accommodating cavity for accommodating combustible gas is formed in the shell in a hollow manner, a first end of the shell is closed and is provided with an ignition connecting pipe communicated with the accommodating cavity and an inflation connecting pipe communicated with the accommodating cavity, and a second end of the shell is provided with an opening;
the ignition assembly is connected with the ignition connecting pipe in a sealing mode;
the inflation assembly is connected with the inflation connecting pipe in a sealing mode, one end of the inflation assembly extends into the accommodating cavity from the inflation connecting pipe, and the other end of the inflation assembly is located outside the accommodating cavity and used for inflating air into the accommodating cavity;
a burst disk disposed at the second end of the housing for sealing the opening of the housing.
In some embodiments, the shell includes a sealing head, a first cylinder and a second cylinder which are connected in sequence, the end of the second cylinder is open, the ignition connecting pipe and the inflation connecting pipe are arranged on the sealing head, and the edge of the blasting diaphragm is welded between the first cylinder and the second cylinder.
In some embodiments, the cross-section of the burst disk is arc-shaped, the concave portion of the burst disk is disposed toward the first cylinder, and the convex portion of the burst disk is disposed within the second cylinder.
In some embodiments, the ignition assembly includes an ignition plug in sealed connection with the squib, a control circuit board disposed within the receiving cavity, and an ignition element electrically connected to the control circuit board.
In some embodiments, the igniter plug and the igniter socket are sealingly connected by NPT threads.
In some embodiments, further comprising a sealing ring disposed between the igniter plug and the igniter nipple.
In some embodiments, the inflation assembly comprises an inflation hose, a one-way valve and an air inlet pipe, the inflation hose is communicated with the air inlet pipe through the one-way valve, the one-way valve is connected with the inflation connecting pipe in a sealing mode, and the air inlet pipe extends into the accommodating cavity.
In some embodiments, the tube wall of the air inlet tube is provided with a plurality of turbulent flow holes.
In some embodiments, the air inlet pipe extends into the accommodating cavity to a depth greater than one-half of the height of the housing.
In some embodiments, the one-way valve is sealingly connected to the inflation nipple by NPT threads.
The invention has the technical effects that: combustible gas is adopted for explosion to generate energy, and explosion products are water and a small amount of carbon dioxide, so that the method is pollution-free and environment-friendly; the non-gunpowder ignition device is adopted, so that the use and the transportation are safer and more convenient; the directional release of the blasting energy is realized through the blasting diaphragm, the effective energy is large, the energy utilization rate is high, and the secondary damage to surrounding buildings and the like is small.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
fig. 1 is a cross-sectional view of a fuel gas source bomb according to an embodiment of the present invention.
The reference numbers indicate:
10. a housing; 101. an accommodating chamber; 11. sealing the end; 12. a first cylinder; 13. a second cylinder; 20. an ignition assembly; 21. an ignition plug; 22. an ignition element; 30. an inflation assembly; 31. an inflation hose; 32. a one-way valve; 33. an air inlet pipe; 40. blasting the diaphragm; 50. an ignition connecting pipe; 60. and (4) inflating the connecting pipe.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
In one embodiment of the application, as shown in fig. 1, a combustible gas source bomb comprises a shell 10, an ignition assembly 20, an inflation assembly 30 and a blasting diaphragm 40, wherein the shell 10 is hollow to form a containing cavity 101 for containing combustible gas, a first end of the shell 10 is closed and is provided with an ignition connecting pipe 50 communicated with the containing cavity 101 and an inflation connecting pipe 60 communicated with the containing cavity 101, and a second end of the shell 10 is provided with an opening; the ignition assembly 20 is hermetically connected with the ignition connecting pipe 50; the inflation assembly 30 is hermetically connected with the inflation connecting pipe 60, one end of the inflation assembly 30 extends into the accommodating cavity 101 from the inflation connecting pipe 60, and the other end of the inflation assembly 30 is located outside the accommodating cavity 101 and is used for inflating gas into the accommodating cavity 101; a burst disk 40 is provided at the second end of the casing 10 for sealing the opening of the casing 10.
Specifically, the combustible gas seismic source bomb of the embodiment is a novel artificial seismic source bomb, and can be used in complex terrains by respectively filling combustible gas such as natural gas, hydrogen and the like and oxygen into the seismic source bomb for mixing, adopting an ignition head for long-distance ignition and initiation, and directly generating seismic waves by coupling blasting products and surrounding media. The combustible gas can adopt hydrocarbons such as natural gas, hydrogen, acetylene and the like, the explosion product is water and a small amount of carbon dioxide, and the explosive is a green environment-friendly seismic source which can replace the traditional explosive and is also a non-explosive seismic source with higher seismic energy.
The inside of casing 10 is equipped with and holds chamber 101, and combustible gas and oxygen can fill respectively through gas charging component 30 and hold the chamber 101 and mix, and one end of casing 10 is sealed, and the other end opening, and the open end of casing 10 realizes sealedly through blasting diaphragm 40. The material of casing 10 chooses the metal material that bearing strength is high for use, and casing 10 intensity needs to guarantee to bear the explosion impact after the combustible gas ignition for during the blasting, casing 10 structure can remain intact.
The ignition assembly 20 is arranged at one end of the shell 10, and the explosion membrane 40 is rapidly destroyed under the explosion pressure by the ignition assembly 20 for remote ignition and initiation, but the shell 10 is intact, so that the explosion energy is released from the second end of the shell 10, and further the directional release of the explosion energy is realized. The burst disk 40 is made of stainless steel, carbon steel and the like, the strength of the burst disk 40 is far less than that of the shell 10, and the burst disk 40 can be damaged under the required burst pressure through designing the material, the thickness and the like of the burst disk 40, so that the burst disk 40 can be quickly damaged during burst. The surface of the burst disk 40 may also be provided with a recess to set the burst pressure of the burst disk 40.
Compared with the traditional explosive seismic source bomb, the combustible gas seismic source bomb has the advantages that the explosive product is water and a small amount of carbon dioxide, so that the combustible gas seismic source bomb is pollution-free and environment-friendly; the blasting energy can be discharged directionally through the blasting diaphragm, the effective energy is large, the energy utilization rate is high, and secondary damage to surrounding buildings and the like is small.
In some embodiments, as shown in fig. 1, the housing 10 includes a head 11, a first cylinder 12 and a second cylinder 13 connected in sequence, the end of the second cylinder 13 is open, an ignition nozzle 50 and an inflation nozzle 60 are disposed on the head 11, and the edge of the burst membrane 40 is welded between the first cylinder 12 and the second cylinder 13 to seal the opening of the second cylinder 13 by the burst membrane 40.
The end socket 11, the first cylinder 12 and the second cylinder 13 are all connected in a welding mode, and the sealing performance of the seismic source bomb can be improved. The blasting diaphragm 40, the first cylinder 12 and the second cylinder 13 are also connected in an all-welded mode, so that the connection strength is improved, and meanwhile, the sealing performance of the seismic source bomb is improved. The end socket 11, the first cylinder 12 and the second cylinder 13 can be made of the same material or different materials, but the structures of the end socket 11, the first cylinder 12 and the second cylinder 13 are not damaged when blasting is required to be guaranteed.
The cross section of the burst disk 40 is arc-shaped, the concave part of the burst disk 40 is arranged towards the first cylinder 12, and the convex part of the burst disk 40 is positioned in the second cylinder 13. In this embodiment, the cross section of blasting diaphragm 40 is the arc, and the convex part sets up towards the seismic source bullet outside, and the convex part of blasting diaphragm 40 is located second barrel 13, and whole blasting diaphragm 40 all is located inside second barrel 13 promptly, and second barrel 13 can play the guard action to blasting diaphragm 40, avoids blasting diaphragm 40 to be destroyed when pre-buried. As a variant, the burst disk 40 may also be flat or the convex part of the burst disk 40 may be arranged towards the closure head 11.
In some embodiments, as shown in fig. 1, the ignition module 20 includes an ignition plug 21, a control circuit board and an ignition element 22, the ignition plug 21 is connected with the ignition tube 50 in a sealing manner, the ignition element 22 is disposed in the accommodating cavity 101, the control circuit board is disposed on the ignition plug 21, and the control circuit board is electrically connected with the ignition element 22. The control circuit board is provided with a control circuit, the control circuit discharges to the ignition element 22 to explode the combustible gas source bomb, after explosion, the blasting diaphragm 40 is damaged, and huge energy is ejected from the blasting diaphragm 40 of the shell 10 to form fixed-point blasting. The ignition assembly 20 of the embodiment adopts a capacitor bridge wire for ignition, can realize remote reliable detonation, avoids the problems of safety and initiating explosive qualification brought by the detonation of gunpowder, and is safer and more convenient to use and transport.
The ignition plug 21 is hermetically connected with the ignition connecting pipe 50 through NPT threads; a sealing ring is also arranged between the ignition plug 21 and the ignition connecting pipe 50. The NPT thread and O-shaped ring double-sealing structure is adopted between the ignition component 20 and the ignition connecting pipe 50, so that the sealing performance of the seismic source bomb can be improved.
In some embodiments, as shown in fig. 1, the inflation assembly 30 includes an inflation hose 31, a one-way valve 32 and an air inlet pipe 33, the inflation hose 31 is communicated with the air inlet pipe 33 through the one-way valve 32, the one-way valve 32 is hermetically connected with the inflation connection pipe 60, and the air inlet pipe 33 extends into the accommodating cavity 101. The air hose 31 can be a metal hose, is high in strength and deformable, and facilitates the burying and pipe arrangement of the seismic source bomb in complex terrains and soil. The inflation hose 31 is provided with the check valve 32, and the check valve 32 is hermetically connected with the inflation connecting pipe 60, so that on one hand, the sealing performance of the seismic source bomb body is ensured, and on the other hand, safety accidents caused by backflow of combustible gas in the seismic source bomb can be prevented. The gas inlet pipe 33 extends into the accommodating cavity 101 to charge combustible gas and oxygen into the seismic bomb.
The wall of the air inlet pipe 33 is provided with a plurality of turbulent flow holes. The wall of the air inlet pipe 33 is provided with a plurality of turbulence holes, so that the charged combustible gas and oxygen can be fully mixed, the combustion efficiency is high, and the explosion energy is improved.
The intake pipe 33 stretches into the degree of depth that holds chamber 101 and is greater than the half of casing 10 height to make gaseous accessible hold the latter half of chamber 101, make the gas distribution in holding chamber 101 more even. The one-way valve 32 is connected with the inflation connecting pipe 60 in a sealing mode through NPT threads, and the sealing performance of the seismic source bomb is improved.
The use method of the combustible gas seismic source bomb comprises the following steps:
(1) Firstly, burying a combustible gas seismic source bomb into soil at a certain depth underground;
(2) Filling oxygen into the combustible gas seismic source bomb to a certain pressure through the inflation assembly by using the inflation device;
(3) Filling combustible gas into the combustible gas seismic source bomb to a certain pressure through the inflation assembly by using the inflation device;
(4) After the combustible gas and the oxygen are uniformly mixed, igniting the mixed gas through an ignition assembly;
(5) The mixed gas is exploded in the combustible gas seismic source bomb body, and energy is released downwards through an explosion diaphragm at the lower part of the bomb body to generate seismic waves;
(6) And measuring seismic wave signals through a seismic wave detection analysis instrument, and acquiring underground geological conditions through analyzing the detected seismic wave signals.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A combustible gas source bomb characterized by comprising:
the gas-fuel gas burner comprises a shell, a gas-fuel gas burner and a gas-fuel gas burner, wherein an accommodating cavity for accommodating combustible gas is formed in the shell in a hollow manner, a first end of the shell is closed and is provided with an ignition connecting pipe communicated with the accommodating cavity and an inflation connecting pipe communicated with the accommodating cavity, and a second end of the shell is provided with an opening;
the ignition assembly is connected with the ignition connecting pipe in a sealing mode;
the inflation assembly is connected with the inflation connecting pipe in a sealing mode, one end of the inflation assembly extends into the accommodating cavity from the inflation connecting pipe, and the other end of the inflation assembly is located outside the accommodating cavity and used for inflating air into the accommodating cavity;
a burst disk disposed at the second end of the housing for sealing the opening of the housing.
2. The fuel gas source bomb according to claim 1,
the shell comprises a seal head, a first barrel and a second barrel which are connected in sequence, the end part of the second barrel is open, the ignition connecting pipe and the inflation connecting pipe are arranged on the seal head, and the edge of the blasting diaphragm is welded between the first barrel and the second barrel.
3. The fuel gas source bomb according to claim 2,
the cross section of the blasting diaphragm is arc-shaped, the concave part of the blasting diaphragm faces the first cylinder, and the convex part of the blasting diaphragm is located in the second cylinder.
4. The fuel gas source bomb according to claim 1,
the ignition assembly comprises an ignition plug, a control circuit board and an ignition element, the ignition plug is connected with the ignition connecting pipe in a sealing mode, the ignition element is arranged in the accommodating cavity, and the control circuit board is electrically connected with the ignition element.
5. The seismic source bomb as set forth in claim 4, wherein the seismic source bomb comprises a cylindrical bomb body,
the ignition plug and the ignition connecting pipe are connected in a sealing mode through NPT threads.
6. The seismic source bomb as set forth in claim 5, wherein the seismic source bomb comprises a cylindrical bomb body,
still include the sealing washer, the sealing washer sets up between ignition plug and the ignition takeover.
7. The fuel gas source bomb according to claim 1,
the inflation assembly comprises an inflation hose, a one-way valve and an air inlet pipe, the inflation hose passes through the one-way valve and is communicated with the air inlet pipe, the one-way valve is connected with the inflation connecting pipe in a sealing mode, and the air inlet pipe extends into the accommodating cavity.
8. The seismic source bomb as set forth in claim 7, wherein the seismic source bomb comprises a cylindrical bomb body,
and the pipe wall of the air inlet pipe is provided with a plurality of turbulent flow holes.
9. The fuel gas source bomb according to claim 8,
the depth of the air inlet pipe extending into the accommodating cavity is larger than one half of the height of the shell.
10. The fuel gas source bomb according to claim 7,
the one-way valve is connected with the inflation connecting pipe in a sealing mode through NPT threads.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211376472.8A CN115657115A (en) | 2022-11-04 | 2022-11-04 | Combustible gas seismic source bomb |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211376472.8A CN115657115A (en) | 2022-11-04 | 2022-11-04 | Combustible gas seismic source bomb |
Publications (1)
Publication Number | Publication Date |
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CN115657115A true CN115657115A (en) | 2023-01-31 |
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Application Number | Title | Priority Date | Filing Date |
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CN202211376472.8A Pending CN115657115A (en) | 2022-11-04 | 2022-11-04 | Combustible gas seismic source bomb |
Country Status (1)
Country | Link |
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CN (1) | CN115657115A (en) |
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2022
- 2022-11-04 CN CN202211376472.8A patent/CN115657115A/en active Pending
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