CN114484852B - Internal and external coupling heating pipeline suitable for long-distance transportation of petroleum under low temperature condition - Google Patents
Internal and external coupling heating pipeline suitable for long-distance transportation of petroleum under low temperature condition Download PDFInfo
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- CN114484852B CN114484852B CN202210012735.0A CN202210012735A CN114484852B CN 114484852 B CN114484852 B CN 114484852B CN 202210012735 A CN202210012735 A CN 202210012735A CN 114484852 B CN114484852 B CN 114484852B
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- layer
- pipeline
- flexible photovoltaic
- pipeline body
- heating
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 45
- 239000003208 petroleum Substances 0.000 title claims abstract description 30
- 230000008878 coupling Effects 0.000 title claims abstract description 8
- 238000010168 coupling process Methods 0.000 title claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 8
- 239000010410 layer Substances 0.000 claims abstract description 108
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 26
- 239000002103 nanocoating Substances 0.000 claims abstract description 21
- 238000009413 insulation Methods 0.000 claims abstract description 20
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 19
- 238000003860 storage Methods 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000004321 preservation Methods 0.000 claims abstract description 8
- 239000005341 toughened glass Substances 0.000 claims description 9
- 239000004964 aerogel Substances 0.000 claims description 8
- 238000002834 transmittance Methods 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 238000010248 power generation Methods 0.000 abstract description 5
- 238000007710 freezing Methods 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 239000004965 Silica aerogel Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000017525 heat dissipation Effects 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
- 230000008447 perception Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/142—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using electric energy supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention relates to an internal and external coupling heating pipeline suitable for long-distance petroleum transportation under a low temperature condition, which is sequentially provided with a grapheme carbon nano-coating layer, a heat preservation and insulation layer and a flexible photovoltaic layer from inside to outside around the periphery of a pipeline body, wherein the inner wall of the lower half part of the pipeline body is provided with a thermoelectric power generation heating unit, the thermoelectric power generation heating unit comprises a heating layer attached to the inner wall of the lower half part of the pipeline body, a temperature difference chip is connected to a circuit of the heating layer, a storage battery is connected to the temperature difference chip, one end of the storage battery is connected with the circuit of the flexible photovoltaic layer, and the other end of the storage battery is connected with the grapheme carbon nano-coating layer. According to the invention, solar energy is converted into electric energy through the flexible photovoltaic layer, the electric energy is provided for the graphene carbon nano coating layer to heat the outer peripheral wall of the pipeline body, the heating layer can heat the inner wall surface of the pipeline body, and the flexible photovoltaic layer and the heating layer are combined to heat the pipeline to prevent the petroleum in the pipeline from freezing, so that the petroleum conveying pipeline can be ensured to normally convey petroleum under the cold climate condition.
Description
Technical Field
The invention relates to the technical field of petroleum exploitation, in particular to an internal and external coupling heating pipeline suitable for long-distance transportation of petroleum under a low-temperature condition.
Background
In modern society, petroleum has been closely related to people's lives. One practical problem faced by oil extraction in cold areas during oil production is: because the underground oil layer is sticky, the oil cannot be extracted efficiently, and when the environmental temperature is too low, the oil can be frozen, so that the oil transportation pipeline cannot normally transport the oil.
In order to ensure normal transportation of petroleum under low temperature condition, a petroleum heating station is usually arranged in the transportation process, or an electric heating sheet is used for heating a transportation pipeline, a plurality of heat insulation layers are arranged for heat insulation treatment of the pipeline, and the like, and a method of diluting with high-pressure steam or emulsifying agent is also adopted for solving the problem of cold and sticky petroleum, so that the transportation cost is increased, resources are wasted, and the separation cost of pre-treatment and post-treatment of petroleum is also increased, so that the key problem of how to make the petroleum transportation pipeline resist the change of external temperature and adapt to long-distance transportation of petroleum in cold climate is already the key problem in the petroleum exploitation process.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to overcome the defects in the prior art, the invention provides an internal and external coupling heating pipeline suitable for long-distance transportation of petroleum at low temperature
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an inside and outside coupling heating pipeline suitable for oil long-distance transportation under low temperature condition, includes the pipeline body, is equipped with graphene carbon nano-paint layer, thermal insulation layer and flexible photovoltaic layer in proper order from inside to outside around the pipeline body periphery, is equipped with thermoelectric generation heating unit on the latter half inner wall of pipeline body.
The graphene carbon nano coating layer is attached to the outer peripheral surface of the pipeline body, the thermal insulation layer is coated on the outer peripheral surface of the graphene carbon nano coating layer, and the flexible photovoltaic layer is positioned on the outer periphery of the thermal insulation layer; the flexible photovoltaic layer is provided with a toughened glass layer, and high-light-transmittance aerogel is filled between the toughened glass layer and the flexible photovoltaic layer.
The thermoelectric generation heating unit comprises a heating layer attached to the inner wall of the lower half portion of the pipeline body, a thermoelectric chip for sensing temperature difference power generation is connected to the heating layer through a circuit, a storage battery is connected to the thermoelectric chip, one end of the storage battery is connected with the flexible photovoltaic layer through a circuit, and the other end of the storage battery is connected with the graphene carbon nano coating layer.
The photovoltaic cell panel on the flexible photovoltaic layer converts solar energy into electric energy after absorbing, one part of the electric energy is directly supplied to the graphene carbon nano-paint layer of the inner layer for use, and the rest part of the electric energy is supplied to the storage battery for storage; the graphene carbon nano-coating layer utilizes electric energy provided by the flexible photovoltaic layer, and the graphene carbon nano-material in the graphene carbon nano-coating layer can convert the electric energy into heat energy, so that the outer peripheral surface of the pipeline body is heated.
When the temperature difference between the inner surface and the outer surface of the pipeline body is overlarge, the temperature difference chip of the thermoelectric power generation heating unit can detect the temperature change, and the heating layer heats the inside of the pipeline body.
A porous ceramic layer is arranged between the flexible photovoltaic layer and the heat preservation and insulation layer, corrosion resistance, temperature resistance and thermal shock resistance of ceramics are utilized, running resistance is reduced, wear resistance and thermal stability of the pipeline body are improved, meanwhile, gaps inside the porous ceramic layer are equivalent to a micro-channel radiator, and heat dissipation of a photovoltaic cell panel in the flexible photovoltaic layer can be achieved through air convection.
The beneficial effects of the invention are as follows: according to the invention, solar energy is converted into electric energy through the flexible photovoltaic layer, the electric energy is provided for the graphene carbon nano-coating layer, the outer peripheral wall of the pipeline body is heated, the heating layer of the thermoelectric generation heating unit can heat the inner wall surface of the pipeline body, and the solar energy and the electric energy are combined to heat the pipeline, so that the phenomenon of freezing of petroleum in the pipeline is prevented, and the petroleum transportation pipeline is ensured to normally transport petroleum under the cold climate condition.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of the thermoelectric generation heating unit according to the present invention.
In the figure: 1. the solar energy heat-insulation pipeline comprises a pipeline body, a graphene carbon nano coating layer, a heat-insulation layer, a flexible photovoltaic layer, a porous ceramic layer, a toughened glass layer, a high light-transmitting aerogel, a thermoelectric generation heating unit, a heating layer, a bonding layer, a thermoelectric chip and a storage battery.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
An internal and external coupling heating pipeline suitable for long-distance transportation of petroleum under low temperature conditions is shown in fig. 1 and 2, and comprises a pipeline body 1, wherein a grapheme carbon nano-coating layer 2, a heat preservation and insulation layer 3 and a flexible photovoltaic layer 4 are sequentially arranged around the periphery of the pipeline body 1 from inside to outside.
The graphene carbon nano-coating layer 2 is attached to the outer peripheral surface of the pipeline body 1, the thermal insulation layer 3 is coated on the outer peripheral surface of the graphene carbon nano-coating layer 2, and the flexible photovoltaic layer 4 is positioned on the outer periphery of the thermal insulation layer 3; a porous ceramic layer 5 is arranged between the flexible photovoltaic layer 4 and the heat preservation and insulation layer 3.
The periphery of the flexible photovoltaic layer 4 is provided with a toughened glass layer 6, and high-light-transmittance aerogel 7 is filled between the toughened glass layer 6 and the flexible photovoltaic layer 4.
Be located to be equipped with thermoelectric generation heating unit 8 on the inner wall of the lower half of pipeline body 1, thermoelectric generation heating unit 8 include through tie coat 10 paste the zone of heating 9 on the inner wall of the lower half of pipeline body 1, zone of heating 9 line connection has the thermoelectric chip 11 through the inside and outside temperature difference of perception pipeline body 1 and the electricity generation, thermoelectric chip 11 is connected with battery 12, battery 12 one end and flexible photovoltaic layer 4 line connection, battery 12 other end connection graphite alkene carbon nano-paint layer 2.
The toughened glass layer 6 on the flexible photovoltaic layer 4 can bear weight, prevent dust and wind sand from entering, prevent the photovoltaic cell set in the flexible photovoltaic layer 4 from being damaged by environmental factors, and prolong the service life of the photovoltaic cell set. The high-light-transmittance aerogel 7 between the toughened glass layer 6 and the flexible photovoltaic layer 4 adopts novel high-light-transmittance low-heat-conductivity silicon dioxide aerogel, so that the light-heat conversion temperature and efficiency under the non-condensing and non-vacuum conditions are greatly improved. By optimizing the pore and particle size, the light transmittance of the silica aerogel can reach more than 95%, and even the existence of the aerogel is difficult to be perceived by naked eyes, so that the silica aerogel has the characteristics of high porosity, low density and low thermal conductivity. When sunlight irradiates the flexible photovoltaic layer 4, a part of sunlight is directly absorbed by the flexible photovoltaic layer 4, and the other part of sunlight is reflected to the high-transmittance aerogel 7 and then is continuously reflected to the flexible photovoltaic layer 4 to be absorbed, so that heat loss of a traditional photo-thermal conversion system can be greatly reduced, and the utilization efficiency of the sunlight is improved.
The heating layer 9 of the thermoelectric generation heating unit 8 is adhered to the inner wall of the lower half part of the pipeline body 1, and in the petroleum production process, wherever viscous places exist, petroleum needs to be heated, mined and transported, the thermoelectric chip 11 connected with the heating layer 9 can play a role, the thermoelectric chip 11 can generate electricity as long as the temperature difference is 1 ℃, and the generated electricity is in direct proportion to the temperature difference; the high-efficiency heater adopted by the heating layer 9 with the hot surface temperature up to 300 ℃ and the cold surface temperature up to 200 ℃ can directly heat the petroleum, thereby ensuring the smooth proceeding of petroleum exploitation.
The grapheme carbon nanomaterial in the grapheme carbon nanocoating layer 2 is a material that plays a main role for converting electric energy into heat energy, thereby heating the pipe body 1.
The heat insulation layer 3 is usually made of rock wool pipe or composite silicate material for heat insulation, and the waterproof rock wool pipe has special properties such as moisture resistance, hydrophobicity, heat removal and the like, is suitable for being used in rainy environment, and has strong hydrophobicity. The construction method of the composite silicate is convenient, does not cause harm to human body, can be used for cutting and rolling at will, and is relatively safe and reliable in transportation and low in loss.
According to the invention, the flexible photovoltaic layer 4 is adopted to convert solar energy into electric energy, the electric energy is supplied to the graphene carbon nano-coating layer 2 to generate heat, meanwhile, redundant electric energy can be stored in the storage battery 12, when the temperature difference between the inner surface and the outer surface of the pipeline body 1 is overlarge, the thermoelectric power generation heating unit 8 can heat the interior of the pipeline body 1, when the temperature of the environment where the petroleum transportation pipeline is located is too low, the graphene carbon nano-coating layer 2 can convert the electric energy into heat energy to heat the peripheral surface of the pipeline body 1, so that the petroleum transportation pipeline generates heat, and the heat preservation and heat insulation layer 3 outside the petroleum transportation pipeline plays a role in heat preservation.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (3)
1. An inside and outside coupling heating pipeline suitable for oil long-distance transportation under low temperature condition, includes the pipeline body, characterized by: a graphene carbon nano-coating layer, a heat preservation and insulation layer and a flexible photovoltaic layer are sequentially arranged around the periphery of the pipeline body from inside to outside, and a thermoelectric generation heating unit is arranged on the inner wall of the lower half part of the pipeline body;
the graphene carbon nano coating layer is attached to the outer peripheral surface of the pipeline body, the thermal insulation layer is coated on the outer peripheral surface of the graphene carbon nano coating layer, and the flexible photovoltaic layer is positioned on the outer periphery of the thermal insulation layer;
the thermoelectric generation heating unit comprises a heating layer attached to the inner wall of the lower half part of the pipeline body, a thermoelectric chip for sensing temperature difference to generate electricity is connected to the heating layer through a circuit, a storage battery is connected to the thermoelectric chip, one end of the storage battery is connected with the flexible photovoltaic layer through a circuit, and the other end of the storage battery is connected with the graphene carbon nano-coating layer;
the flexible photovoltaic layer converts solar energy into electric energy and provides the electric energy for the grapheme carbon nano coating layer to heat the outer peripheral wall of the pipeline body, and the heating layer of the thermoelectric generation heating unit heats the inner wall surface of the pipeline body.
2. The internal and external coupled heating pipeline suitable for long-distance transportation of petroleum under low temperature condition as claimed in claim 1, wherein: the flexible photovoltaic layer is provided with a toughened glass layer, and high-light-transmittance aerogel is filled between the toughened glass layer and the flexible photovoltaic layer.
3. The internal and external coupled heating pipeline suitable for long-distance transportation of petroleum under low temperature condition as claimed in claim 2, wherein: and a porous ceramic layer is arranged between the flexible photovoltaic layer and the heat preservation and insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210012735.0A CN114484852B (en) | 2022-01-06 | 2022-01-06 | Internal and external coupling heating pipeline suitable for long-distance transportation of petroleum under low temperature condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210012735.0A CN114484852B (en) | 2022-01-06 | 2022-01-06 | Internal and external coupling heating pipeline suitable for long-distance transportation of petroleum under low temperature condition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114484852A CN114484852A (en) | 2022-05-13 |
| CN114484852B true CN114484852B (en) | 2024-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210012735.0A Active CN114484852B (en) | 2022-01-06 | 2022-01-06 | Internal and external coupling heating pipeline suitable for long-distance transportation of petroleum under low temperature condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114484852B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599728A (en) * | 2008-06-06 | 2009-12-09 | 许浩坤 | A kind of device for the pipe transmission meter reading monitoring system power supply |
| CN105889707A (en) * | 2016-06-06 | 2016-08-24 | 无锡市翱宇特新科技发展有限公司 | Overwater pipeline heat preservation device |
| CN207298103U (en) * | 2016-10-20 | 2018-05-01 | 孙日升 | A kind of petroleum pipeline using solar energy |
| CN207864879U (en) * | 2018-01-30 | 2018-09-14 | 榆林学院 | A kind of winter oil-gas transportation tracing thermal-insulating device |
| WO2020198898A1 (en) * | 2019-04-03 | 2020-10-08 | 赵安平 | Oilfield petroleum gathering pipeline heating and heat preservation graphene sleeve |
-
2022
- 2022-01-06 CN CN202210012735.0A patent/CN114484852B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599728A (en) * | 2008-06-06 | 2009-12-09 | 许浩坤 | A kind of device for the pipe transmission meter reading monitoring system power supply |
| CN105889707A (en) * | 2016-06-06 | 2016-08-24 | 无锡市翱宇特新科技发展有限公司 | Overwater pipeline heat preservation device |
| CN207298103U (en) * | 2016-10-20 | 2018-05-01 | 孙日升 | A kind of petroleum pipeline using solar energy |
| CN207864879U (en) * | 2018-01-30 | 2018-09-14 | 榆林学院 | A kind of winter oil-gas transportation tracing thermal-insulating device |
| WO2020198898A1 (en) * | 2019-04-03 | 2020-10-08 | 赵安平 | Oilfield petroleum gathering pipeline heating and heat preservation graphene sleeve |
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| Publication number | Publication date |
|---|---|
| CN114484852A (en) | 2022-05-13 |
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