CN115195986A - Cabin heat dissipation and ventilation system of hydrogen fuel cell ship - Google Patents
Cabin heat dissipation and ventilation system of hydrogen fuel cell ship Download PDFInfo
- Publication number
- CN115195986A CN115195986A CN202210561126.0A CN202210561126A CN115195986A CN 115195986 A CN115195986 A CN 115195986A CN 202210561126 A CN202210561126 A CN 202210561126A CN 115195986 A CN115195986 A CN 115195986A
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- Prior art keywords
- cabin
- heat dissipation
- fan
- fuel cell
- hydrogen
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 91
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 65
- 239000001257 hydrogen Substances 0.000 title claims abstract description 65
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 239000000446 fuel Substances 0.000 title claims abstract description 60
- 238000009423 ventilation Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims description 16
- 230000005855 radiation Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000002828 fuel tank Substances 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/02—Ventilation; Air-conditioning
- B63J2/06—Ventilation; Air-conditioning of engine rooms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/02—Ventilation; Air-conditioning
- B63J2/08—Ventilation; Air-conditioning of holds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a cabin internal heat dissipation and ventilation system of a hydrogen fuel cell ship and a method thereof, wherein the system comprises a temperature sensor and a heat dissipation fan, the temperature sensor and the heat dissipation fan are respectively arranged in a storage cabin, a fuel cabin, a propulsion cabin and a rudder engine cabin, an exhaust fan is arranged at the junction of adjacent cabins, a hydrogen concentration sensor, a heat dissipation device and a hydrogen fuel cell stack are arranged in the fuel cabin, the temperature sensor and the hydrogen concentration sensor respectively transmit temperature and concentration information to a central controller, the central controller transmits calculated heat dissipation capacity to a frequency converter, and the frequency converter controls the heat dissipation fan and the exhaust fan to work. The invention provides a good heat dissipation and ventilation environment for the hydrogen fuel cell ship to release the extra heat value when hydrogen is combusted, increases the heat dissipation efficiency through the whole ship circulation ventilation and reduces the whole operation energy consumption cost.
Description
Technical Field
The invention relates to a cabin internal heat dissipation and ventilation system and a method thereof, in particular to an cabin internal heat dissipation and ventilation system of a hydrogen fuel cell ship with high heat dissipation efficiency and low energy consumption cost and a method thereof.
Background
Hydrogen is the cleanest of the currently known energy sources, the combustion product of the hydrogen is only water, carbon dioxide and other pollutants are not generated, the calorific value of the hydrogen is high, and the hydrogen is an ideal fuel in the long term. The application and popularization of hydrogen energy have important strategic significance on energy conservation and emission reduction worldwide. Especially, the method has far-reaching significance for industries with larger energy consumption, such as the ship industry.
The hydrogen fuel cell ship has the risk of hydrogen fuel leakage when the during operation, gather or meet the fire source and will take place violent explosion when leaking hydrogen, in order to avoid the emergence and the aggravation of hydrogen accident, need install hydrogen concentration sensor at specific cabin and carry out real-time detection to hydrogen concentration, reduce the risk of hydrogen leakage, the hydrogen fuel cell ship needs good ventilation cooling environment to release the extra calorific value of hydrogen fuel release when burning simultaneously, also need consider energy-conserving effect to reduce the useless consumption of boats and ships equipment, so need arrange reasonable ventilation cooling system and accelerate cabin heat dissipation ventilation, reduce whole ship energy consumption simultaneously.
Disclosure of Invention
The invention aims to: the invention aims to provide a cabin internal heat dissipation and ventilation system of a hydrogen fuel cell ship, which has high heat dissipation efficiency and low energy consumption cost; another object of the invention is to provide a method of heat dissipation and ventilation of the vessel.
The technical scheme is as follows: the heat dissipation and ventilation system comprises a temperature sensor and a heat dissipation fan, wherein the temperature sensor and the heat dissipation fan are arranged in a storage cabin, a fuel cabin, a propulsion cabin and a rudder engine cabin, an exhaust fan is arranged at the junction of adjacent cabins, a hydrogen concentration sensor, a heat dissipation device and a hydrogen fuel cell stack are arranged in the fuel cabin, the temperature sensor and the hydrogen concentration sensor respectively transmit temperature and concentration information to a central controller, the central controller sends calculated heat dissipation capacity to a frequency converter, and the frequency converter controls the heat dissipation fan and the exhaust fan to work.
Further, when the hydrogen concentration detected by the hydrogen concentration sensor exceeds the standard, the heat dissipation fan is adjusted to the rated power, the hydrogen fuel cell stack reaction is suspended, the air supply pipeline between the cabins is closed, and the standby exhaust fan is opened for ventilation replacement.
The heat dissipation and ventilation method comprises the following steps:
the exhaust fan carries out heat dissipation regulation of each cabin through supply air duct, makes each cabin realize circulation heat dissipation, cooling fan's rotational speed computational formula is
Where v is the rotational speed of the fan, Q is the heat dissipation of the device, Q b For conventional ventilation and heat dissipation of the cabin, K t For the operating coefficient of the cooling fan at t, assume Q 1 For heat-dissipating devices (heat-dissipating capacity, Q) 2 、Q 3 、Q 4 、Q 5 The heat dissipating capacity of the heat dissipating fans of the fuel cabin, the storage cabin, the propulsion cabin and the rudder cabin are respectively.
Further, when Q 2max ＞Q 1 +Q b2 That is, when the sum of the heat dissipation capacity of the heat dissipation device and the conventional ventilation heat dissipation capacity of the cabin is less than the rated heat dissipation capacity of the fuel cabin heat dissipation fan, the rotating speed of the fuel cabin heat dissipation fan is equal to
At the moment, the exhaust fans adjacent to the fuel cabins normally operate according to the temperature difference between the cabins, and the other cabin heat dissipation fans normally operate according to the cabin ventilation and heat dissipation standard.
Further, when Q 1 +Q b2 ≥Q 2max When the sum of the heat dissipation capacity of the heat dissipation device and the conventional ventilation heat dissipation capacity of the cabin is larger than the rated heat dissipation capacity of a fuel cabin heat dissipation fan, the rotating speed of the fuel cabin heat dissipation fan reaches the rated rotating speed, at the moment, an exhaust fan adjacent to the fuel cabin increases power to start working for auxiliary heat dissipation, and Q 3 、Q 4 Are respectively 0.5 (Q) 1 +Q b2 -Q 2max )+Q b3 、0.5(Q 1 +Q b2 -Q 2max )+Q b4 Speed v of cooling fan for propulsion cabin and storage cabin 3 、v 4 Are respectively as
Further, when the temperature difference between the rudder cabin and the propulsion cabin reaches a set value, the exhaust fan between the two cabins starts to work to perform auxiliary heat dissipation between the cabins, and the rotating speed of the heat dissipation fan is equal to that of the heat dissipation fan at the moment
Further, when the temperature difference between the rudder cabin and the propulsion cabin is lower than a set value, the exhaust fan between the two cabins stops working.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: the hydrogen fuel cell ship has the advantages that a good heat dissipation and ventilation environment is provided for the hydrogen fuel cell ship, extra heat value during hydrogen combustion is released, normal navigation of the hydrogen fuel cell ship is guaranteed, meanwhile, heat dissipation efficiency is improved through whole ship circulating ventilation, overall operation energy consumption cost is reduced, emergency ventilation can be timely carried out during sudden hydrogen accidents, and hydrogen concentration in the cabin is diluted, so that the hydrogen accidents are prevented from further expanding.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
As shown in fig. 1, the heat dissipation and ventilation system of the present invention includes 4 cabin temperature sensors 1,1 hydrogen concentration sensor 2,4 heat dissipation fans 3,3 exhaust fans 4,1 emergency standby exhaust fan 5,1 heat dissipation device 6,1 hydrogen fuel cell stack 7,1 frequency converter 8 and 1 central processing unit 9, the small hydrogen fuel cell ship generally includes a storage cabin, a fuel cabin, a propulsion cabin, a rudder cabin and a tip cabin, the storage cabin, the propulsion cabin and the rudder cabin are respectively provided with 1 temperature sensor 1 and 1 heat dissipation fan 3, the tip cabin is not provided with the temperature sensor 1, the heat dissipation fans 3, the hydrogen concentration sensor 2, the heat dissipation device 6, the hydrogen fuel cell stack 7 and the standby exhaust fan 5, the temperature sensor 1 and the hydrogen concentration sensor 2 are respectively connected with the central controller, the temperature and hydrogen concentration information are transmitted to the central controller for recording and analysis, the central processing unit 9 calculates the heat dissipation amount required by each cabin according to the temperature information, and outputs a heat dissipation command to the frequency converter 8, and adjusts the heat dissipation fans 3 and the heat dissipation fans 3 according to the heat dissipation power.
The heat dissipation and ventilation method comprises the following steps:
the exhaust fan 4 carries out the heat dissipation regulation in each cabin through supply air duct, makes each cabin realize circulation heat dissipation through exhaust fan 4, the computational formula of 3 rotational speeds of cooling fan is
Where v is the rotational speed of the fan, Q is the heat dissipation of the device, Q b For conventional ventilation and heat dissipation of the cabin, K t For the operating coefficient of the cooling fan at t temperature, Q is specified 1 、Q 2 、Q 3 、Q 4 、Q 5 The heat dissipating capacity of the heat dissipating device 6, the fuel cabin, the storage cabin, the propulsion cabin and the rudder cabin heat dissipating fan 3 are respectively.
The relationship between the rotational speed of the cooling fan 3 and the amount of heat radiation is as follows:
(1) When Q is 2max ＞Q 1 +Q b2 That is, when the sum of the heat dissipating capacity of the heat dissipating device 6 and the conventional ventilating heat dissipating capacity of the cabin is less than the rated heat dissipating capacity of the heat dissipating fan of the fuel cabin, the rotating speed of the heat dissipating fan 3 of the fuel cabin is set to
At the moment, the exhaust fans 4 adjacent to the fuel cabins are operated conventionally according to the temperature difference between the cabins, and the other cabin heat dissipation fans 3 are operated conventionally according to the cabin ventilation and heat dissipation standard;
(2) When Q is 1 +Q b2 ≥Q 2max That is, when the sum of the heat dissipation capacity of the heat dissipation device 6 and the conventional ventilation heat dissipation capacity of the cabin is greater than the rated heat dissipation capacity of the fuel cabin heat dissipation fan 3, the rotating speed of the fuel cabin heat dissipation fan 3 reaches the rated rotating speed, and at the moment, the exhaust fan 4 adjacent to the fuel cabin increases the power to start workingFor auxiliary heat dissipation, Q 3 、Q 4 Are respectively 0.5 (Q) 1 +Q b2 -Q 2max )+Q b3 、0.5(Q 1 +Q b2 -Q 2max )+Q b4 3 rotational speed v of the cooling fan of the propulsion cabin and the storage cabin 3 、v 4 Are respectively as
The working power of the exhaust fan 4 is determined by the temperature difference between the cabins;
(i) When the temperature difference between the rudder cabin and the propulsion cabin reaches a specified value, the exhaust fan 4 between the two cabins starts to work to perform auxiliary heat dissipation between the cabins, and the rotating speed of the heat dissipation fan is equal to that of the heat dissipation fan at the moment
(ii) When the temperature difference is lower than the minimum value of the setting work, the suction fan 4 between the two compartments stops working.
When the hydrogen concentration sensor 2 detects that the hydrogen concentration in the cabin is too high and exceeds a standard value to reach a warning preset value, the heat radiation fan 3 is adjusted to rated power for ventilation treatment, the reaction of the hydrogen fuel cell stack is emergently suspended, air supply pipelines between the fuel cabin and the storage cabin and between the fuel cabin and the propulsion cabin are closed to prevent hydrogen fuel from being leaked and diffused to other cabins, and an emergency standby exhaust fan 5 is opened to ventilate and replace the cabin.
When the small-sized hydrogen fuel cell ship sails normally, the heat dissipation efficiency is increased through the circulation ventilation of the whole ship, the whole operation energy consumption cost is reduced, the hydrogen concentration in the cabin can be diluted through the emergency ventilation in time when a sudden hydrogen accident happens, and the hydrogen accident is prevented from being further enlarged.
Claims (7)
1. A cabin internal heat dissipation and ventilation system of a hydrogen fuel cell ship is characterized in that: including temperature sensor (1) and cooling fan (3), all install in storage compartment, fuel compartment, propulsion cabin and the rudder cabin temperature sensor (1) and cooling fan (3), air exhauster (4) are installed to the juncture in adjacent cabin, install hydrogen concentration sensor (2), heat abstractor (6) and hydrogen fuel cell heap (7) in the fuel compartment, temperature sensor (1) and hydrogen concentration sensor (2) transmit temperature and concentration information for central controller (9) respectively, and central controller (9) send the heat dissipation capacity that calculates for converter (8), and converter (8) control cooling fan (3) and air exhauster (4) carry out work.
2. The cabin heat dissipation and ventilation system for a hydrogen fuel cell ship according to claim 1, wherein: when the hydrogen concentration detected by the hydrogen concentration sensor (2) exceeds the standard, the cooling fan (3) is adjusted to the rated power, the reaction of the hydrogen fuel cell stack (7) is suspended, the air supply pipeline between the cabins is closed, and the standby exhaust fan (5) in the fuel cabin is opened for ventilation and replacement.
3. A method for radiating and ventilating in a cabin of a hydrogen fuel cell ship is characterized in that: the exhaust fan (4) carries out heat dissipation adjustment of each cabin through an air supply pipeline to realize circulating heat dissipation among the cabins, and the rotating speed calculation formula of the heat dissipation fan (3) is
Where v is the rotational speed of the fan, Q is the heat dissipation of the device, Q b For the conventional ventilation and heat dissipation of the cabin, K t For the operation coefficient of the cooling fan at t temperature, Q is specified 1 For the heat dissipation of the heat sink (6), Q 2 、Q 3 、Q 4 、Q 5 The heat dissipating capacity of the fuel cabin, the storage cabin, the propulsion cabin and the rudder cabin heat dissipating fan (3) are respectively.
4. The method for radiating heat and ventilating in the tank of a hydrogen fuel cell ship according to claim 3, characterized in that: when Q is 2max ＞Q 1 +Q b2 When the fuel tank cooling fan (3) rotates at the speed of
At the moment, the exhaust fans (4) adjacent to the fuel cabins are normally operated according to the temperature difference between the cabins, and the other cabin heat dissipation fans (3) are normally operated according to the cabin ventilation and heat dissipation standard.
5. The method for radiating heat and ventilating in the tank of a hydrogen fuel cell ship according to claim 3, characterized in that: when Q is 1 +Q b2 ≥Q 2max When the rotating speed of the fuel compartment heat radiation fan (3) reaches the rated rotating speed, the exhaust fan (4) adjacent to the fuel compartment increases the power to start working for auxiliary heat radiation, and Q 3 、Q 4 Are respectively 0.5 (Q) 1 +Q b2 -Q 2max )+Q b3 、0.5(Q 1 +Q b2 -Q 2max )+Q b4 Speed v of cooling fan (3) for propulsion and storage compartments 3 、v 4 Are respectively as
6. The method for radiating heat and ventilating in the cabin of a hydrogen fuel cell ship according to claim 5, characterized in that: when the temperature difference between the rudder cabin and the propulsion cabin reaches a set value, the exhaust fan (4) between the two cabins starts to work to perform auxiliary heat dissipation between the cabins, and the rotating speed of the heat dissipation fan is equal to
7. The method for radiating heat and ventilating in the tank of a hydrogen fuel cell ship according to claim 5, characterized in that: when the temperature difference between the rudder cabin and the propulsion cabin is lower than a set value, the exhaust fan (4) between the two cabins stops working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210561126.0A CN115195986B (en) | 2022-05-20 | 2022-05-20 | Cabin heat dissipation and ventilation system of hydrogen fuel cell ship |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210561126.0A CN115195986B (en) | 2022-05-20 | 2022-05-20 | Cabin heat dissipation and ventilation system of hydrogen fuel cell ship |
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| Publication Number | Publication Date |
|---|---|
| CN115195986A true CN115195986A (en) | 2022-10-18 |
| CN115195986B CN115195986B (en) | 2023-12-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116573133A (en) * | 2023-05-06 | 2023-08-11 | 中国长江电力股份有限公司 | Hydrogen fuel cell power ship battery compartment air ventilation system and control method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203414855U (en) * | 2013-07-03 | 2014-01-29 | 北京航天发射技术研究所 | Equipment bay heat dissipation controlling apparatus |
| CN105329433A (en) * | 2015-11-12 | 2016-02-17 | 广州文冲船厂有限责任公司 | Ventilation system of ship cargo hold |
| CN106438000A (en) * | 2016-12-20 | 2017-02-22 | 江苏豪赛科技股份有限公司 | Cooling device and method for generating unit of engine room |
| CN107719619A (en) * | 2017-09-28 | 2018-02-23 | 广船国际有限公司 | Cargo hold method of ventilation and ventilating system |
| CN110335438A (en) * | 2019-06-20 | 2019-10-15 | 武汉理工大学 | A kind of hydrogen fuel cell safety of ship protection system and guard method |
| EP3786055A1 (en) * | 2019-09-02 | 2021-03-03 | Halton Marine Oy | Air conditioning system for a cabin and method for air conditioning a cabin |
| CN213443064U (en) * | 2020-07-14 | 2021-06-15 | 友联船厂（蛇口）有限公司 | Frequency conversion fan for ventilation system of ship engine room |
| WO2021189986A1 (en) * | 2020-03-27 | 2021-09-30 | 上海外高桥造船有限公司 | Dual-fuel bulk cargo ship |
| CN113844615A (en) * | 2021-09-29 | 2021-12-28 | 中船黄埔文冲船舶有限公司 | Ship frequency conversion energy-saving control system |
-
2022
- 2022-05-20 CN CN202210561126.0A patent/CN115195986B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203414855U (en) * | 2013-07-03 | 2014-01-29 | 北京航天发射技术研究所 | Equipment bay heat dissipation controlling apparatus |
| CN105329433A (en) * | 2015-11-12 | 2016-02-17 | 广州文冲船厂有限责任公司 | Ventilation system of ship cargo hold |
| CN106438000A (en) * | 2016-12-20 | 2017-02-22 | 江苏豪赛科技股份有限公司 | Cooling device and method for generating unit of engine room |
| CN107719619A (en) * | 2017-09-28 | 2018-02-23 | 广船国际有限公司 | Cargo hold method of ventilation and ventilating system |
| CN110335438A (en) * | 2019-06-20 | 2019-10-15 | 武汉理工大学 | A kind of hydrogen fuel cell safety of ship protection system and guard method |
| EP3786055A1 (en) * | 2019-09-02 | 2021-03-03 | Halton Marine Oy | Air conditioning system for a cabin and method for air conditioning a cabin |
| WO2021189986A1 (en) * | 2020-03-27 | 2021-09-30 | 上海外高桥造船有限公司 | Dual-fuel bulk cargo ship |
| CN213443064U (en) * | 2020-07-14 | 2021-06-15 | 友联船厂（蛇口）有限公司 | Frequency conversion fan for ventilation system of ship engine room |
| CN113844615A (en) * | 2021-09-29 | 2021-12-28 | 中船黄埔文冲船舶有限公司 | Ship frequency conversion energy-saving control system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116573133A (en) * | 2023-05-06 | 2023-08-11 | 中国长江电力股份有限公司 | Hydrogen fuel cell power ship battery compartment air ventilation system and control method thereof |
| CN116573133B (en) * | 2023-05-06 | 2024-03-29 | 中国长江电力股份有限公司 | Hydrogen fuel cell power ship battery compartment air ventilation system and control method thereof |
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| CN115195986B (en) | 2023-12-22 |
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