CN108104921B - Anti-aging catalytic converter - Google Patents
Anti-aging catalytic converter Download PDFInfo
- Publication number
- CN108104921B CN108104921B CN201711361843.4A CN201711361843A CN108104921B CN 108104921 B CN108104921 B CN 108104921B CN 201711361843 A CN201711361843 A CN 201711361843A CN 108104921 B CN108104921 B CN 108104921B
- Authority
- CN
- China
- Prior art keywords
- catalytic converter
- catalyst support
- main pipe
- turbine
- catalyst
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 41
- 230000003712 anti-aging effect Effects 0.000 title claims abstract description 12
- 239000003054 catalyst Substances 0.000 claims abstract description 84
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 11
- 230000006698 induction Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000005245 sintering Methods 0.000 abstract description 6
- 230000032683 aging Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2842—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration specially adapted for monolithic supports, e.g. of honeycomb type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention provides an anti-aging catalytic converter which comprises a catalytic converter main pipe, wherein the front end of the catalytic converter main pipe is connected with an air inlet pipe, and the rear end of the catalytic converter main pipe is connected with an air outlet pipe; a cylindrical catalyst support is arranged in the catalyst main pipe, the internal structure of the catalyst support is honeycomb-shaped, and a three-way catalyst is plated on the catalyst support; the front end of the catalyst support is provided with a turbine which is coaxial with the catalyst main pipe, and the turbine can rotate under the pushing of automobile exhaust. The three-way catalyst can inhibit the environmental temperature of the catalyst support, thereby inhibiting the sintering aging of the catalyst support and prolonging the service life of the catalyst support.
Description
The application is a divisional application with the application number of 201610002280.9 and the name of the anti-aging three-way catalyst.
Technical Field
The invention relates to the field of automobile exhaust treatment equipment, in particular to a three-way catalyst.
Background
After the automobile gasoline is combusted, a large amount of harmful gases are generated, and mainly comprise carbon monoxide, hydrocarbon and nitric oxide; therefore, the mixed harmful gas is generally treated by a three-way catalyst to generate carbon dioxide and water, and then the carbon dioxide and the water are discharged into the atmosphere. Because the temperature of the automobile exhaust is higher, the catalyst support is in a high-temperature state for a long time in the driving process, and the high-temperature sintering phenomenon is easily caused, so that more sintering points are arranged in the catalyst support, and the catalyst support is aged and scrapped quickly.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an anti-aging three-way catalyst, which can suppress the environmental temperature of a catalyst support, thereby suppressing the sintering aging thereof and prolonging the service life thereof.
The technical scheme adopted by the invention for realizing the technical purpose is as follows: the anti-aging three-way catalytic converter comprises a catalytic converter main pipe, wherein the front end of the catalytic converter main pipe is connected with an air inlet pipe, and the rear end of the catalytic converter main pipe is connected with an air outlet pipe; a cylindrical catalyst support is arranged in the catalyst main pipe, the internal structure of the catalyst support is honeycomb-shaped, and a three-way catalyst is plated on the catalyst support; the front end of the catalyst support is provided with a turbine which is coaxial with the catalyst main pipe, and the turbine can rotate under the pushing of automobile exhaust.
Preferably, the catalyst support is fixed in the catalyst main pipe; the turbine shaft is connected to a rotating shaft fixed on the axis of the catalyst support.
Preferably, a circle of magnetic blocks magnetized along the radial direction of the main pipe of the catalytic converter is arranged at the position, outside the main pipe of the catalytic converter, on the periphery of the turbine, and induction coils are wound on the magnetic blocks respectively and coupled to electric power storage or utilization equipment; the turbine is provided with a permanent magnet which extends along the radial direction of the main pipe of the catalytic converter and is magnetized along the radial direction of the main pipe of the catalytic converter; the permanent magnets may be constituted by radially extending magnetic bars or by the blades of the turbine themselves.
Preferably, the turbine and the catalyst support are relatively fixed and integrated; and the common rotating shaft of the turbine and the catalyst support is arranged on a ventilation support in the main pipe of the catalyst through a bearing bracket. Furthermore, the two ends of the rotating shaft of the ventilation bracket are respectively provided with one ventilation bracket; a section of pipe wall between the two ventilation supports on the main pipe of the catalytic converter is composed of a thermal deformation metal pipe with thermal deformation capacity larger than that of the catalyst support; the circumferential surface of the catalyst support is in contact with the inner wall of the heat-deformable metal tube at a temperature below 600 ℃, and the heat-deformable metal tube is expanded to form a gap between the inner wall and the circumferential surface of the catalyst support at a temperature above 600 ℃.
The invention has the beneficial effects that: when the anti-aging three-way catalytic converter works, the tail gas flow firstly flows through the turbine before entering the catalyst support, so that a large part of heat energy is converted into kinetic energy of the turbine, the temperature of the tail gas is reduced after flowing through the turbine, and the tail gas enters the catalyst support, so that the temperature in the catalyst support can be prevented from being too high, the sintering phenomenon is inhibited, and the catalytic converter is durable.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the anti-aging three-way catalyst.
FIG. 2 is a schematic structural diagram of a first embodiment of the anti-aging three-way catalyst.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
the first embodiment is as follows:
in the first embodiment shown in fig. 1, the anti-aging three-way catalyst comprises a catalyst main pipe 1, wherein the front end of the catalyst main pipe 1 is connected with an air inlet pipe 2, and the rear end of the catalyst main pipe 1 is connected with an air outlet pipe 3; a cylindrical catalyst support 4 is arranged in the catalyst main pipe 1, the internal structure of the catalyst support 4 is honeycomb-shaped, and a three-way catalyst is plated on the catalyst support 4; the catalyst support 4 is fixed inside the main pipe 1 of the catalytic converter; a rotating shaft 50 is fixed on the axis of the catalyst support 4, the rotating shaft 50 extends to the front end of the catalyst support 4, a turbine 5 arranged at the front end of the catalyst support 4 is connected through the rotating shaft 50 in a shaft mode, the structure of the turbine 5 can be consistent with that of a turbine of a steam turbine, and the turbine can rotate around the rotating shaft 50 under the pushing of automobile exhaust.
In the first embodiment, a circle of magnetic blocks 6 magnetized along the radial direction of the main pipe of the catalytic converter is arranged at the outer side of the main pipe 1 of the catalytic converter and at the periphery of the turbine 5, and each magnetic block 6 is wound with an induction coil which is coupled to an electric storage or utilization device; the turbine 5 is provided with a permanent magnet which extends along the radial direction of the main pipe 1 of the catalytic converter and is magnetized along the radial direction of the main pipe 1 of the catalytic converter; the permanent magnets may be constituted by radially extending magnetic bars, or by the blades of the turbine 5 themselves; the permanent magnet sequentially passes through each magnetic block 6 during the continuous rotation of the steam turbine 5, so that the magnetic field of each magnetic block 6 periodically fluctuates to realize the periodic fluctuation of the magnetic flux in the induction coil on each magnetic block 6, thereby generating an induced current. On one hand, the induced current is used as electric energy output for an automobile storage battery or various electric accessories; on the other hand, this consumption of electric energy provides a suitable continuous rotation resistance to the turbine 5, thus preventing the turbine 5 from rotating too fast; finally, the heat energy in the original tail gas is continuously converted into electric energy, so that energy balance and stable movement are achieved.
When the anti-aging three-way catalytic converter works, the tail gas flow firstly flows through the turbine 5 before entering the catalyst support 4, so that a large part of heat energy is converted into kinetic energy of the turbine 5, the temperature of the tail gas is reduced after flowing through the turbine 5, and the tail gas enters the catalyst support 4, so that the temperature in the catalyst support 4 can be prevented from being too high, the sintering phenomenon is inhibited, and the catalytic converter is durable.
Example two:
for the second embodiment shown in fig. 2, the difference from the first embodiment is that: the turbine 5 and the catalyst support 4 are relatively fixed and integrated; and the common rotating shaft 50 of the turbine 5 and the catalyst support 4 is erected on the ventilation support 7 in the main pipe 1 of the catalytic converter through a bearing; the ventilation brackets 7 are respectively arranged at two ends of the rotating shaft 50; a section of pipe wall between the two ventilation brackets 7 on the main pipe 1 of the catalytic converter is composed of a thermal deformation metal pipe 11 with thermal deformation capacity larger than that of the catalytic converter bracket 4; the circumferential surface of the catalyst support 4 is in contact with the inner wall of the heat-deformable metal tube 11 at a temperature of 600 ℃ or lower, and the heat-deformable metal tube 11 is expanded to form a gap between the inner wall thereof and the circumferential surface of the catalyst support 4 at a temperature of 600 ℃ or higher. Generally, the reasonable working temperature of the catalytic reaction is 400 ℃ to 600 ℃, when the temperature is higher than 600 ℃, the catalytic reaction efficiency begins to decrease, and when the temperature is higher than 800 ℃, the catalyst may be damaged, therefore, according to the second embodiment, when the temperature in the main pipe 1 of the catalyst is lower than 600 ℃, because the circumferential surface of the catalyst support 4 is in contact with the thermal deformation metal pipe 11, the rotational friction is huge, the turbine 5 and the catalyst support 4 are difficult to rotate and only in a static or low-rotation-speed state, the heat of the automobile exhaust cannot be obviously converted into kinetic energy, and thus the reasonable catalytic temperature is maintained for the catalytic reaction; and when the temperature in the main pipe 1 of the catalytic converter is higher than 600 ℃, the friction between the catalyst support 4 and the thermal deformation metal pipe 11 is eliminated due to the expansion of the thermal deformation metal pipe 11, so that the turbine 5 and the catalyst support 4 can rotate rapidly without constraint, and the heat energy is reduced and converted into kinetic energy rapidly.
On the other hand, in the second embodiment, due to the continuous rotation of the catalyst support 4, the exhaust gas entering the catalyst support 4 has two velocity components, namely, the axial velocity component and the circumferential velocity component, relative to the catalyst support, so that the volume of the space through which the unit volume of the exhaust gas flows inside the catalyst support 4 is greatly increased, thereby promoting the full progress of the catalytic reaction and further improving the quality of the exhaust gas treatment.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (1)
1. An anti-aging three-way catalyst is characterized in that: the catalytic converter comprises a catalytic converter main pipe (1), wherein the front end of the catalytic converter main pipe (1) is connected with an air inlet pipe (2), and the rear end of the catalytic converter main pipe (1) is connected with an air outlet pipe (3); a cylindrical catalyst support (4) is arranged in the catalyst main pipe (1), the internal structure of the catalyst support (4) is honeycomb-shaped, and a three-way catalyst is plated on the catalyst support (4); the front end of the catalyst support (4) is provided with a turbine (5) which is coaxial with the catalyst main pipe (1), and the turbine (5) can rotate under the pushing of automobile exhaust; the turbine (5) and the catalyst support (4) are relatively fixed and integrated; a rotating shaft (50) shared by the turbine (5) and the catalyst support (4) is erected on a ventilation support (7) in the main pipe (1) of the catalytic converter through a bearing; the two ends of the ventilation bracket (7) at the rotating shaft (50) are respectively provided with one ventilation bracket; a section of pipe wall between the two ventilation brackets (7) on the main pipe (1) of the catalytic converter is composed of a thermal deformation metal pipe (11) with thermal deformation capacity larger than that of the catalytic converter bracket (4); the peripheral surface of the catalyst support (4) is in contact with the inner wall of the heat-deformed metal tube (11) at a temperature of 600 ℃ or lower, and the heat-deformed metal tube (11) is expanded to form a gap between the inner wall and the peripheral surface of the catalyst support (4) at a temperature of 600 ℃ or higher;
the catalyst support (4) is fixed in the main pipe (1) of the catalytic converter; the turbine (5) is coupled on a rotating shaft (50) fixed on the axis of the catalyst support (4);
a circle of magnetic blocks (6) magnetized along the radial direction of the main catalytic converter pipe (1) are arranged at the outer side of the main catalytic converter pipe (1) and at the periphery of the turbine (5), induction coils are wound on the magnetic blocks (6) respectively, and the induction coils are coupled to electric power storage or utilization equipment; the turbine (5) is provided with a permanent magnet which extends along the radial direction of the main pipe (1) of the catalytic converter and is magnetized along the radial direction of the main pipe (1) of the catalytic converter; the permanent magnets are formed by radially extending magnetic bars or by the blades of the turbine (5) themselves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711361843.4A CN108104921B (en) | 2016-01-06 | 2016-01-06 | Anti-aging catalytic converter |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610002280.9A CN105587388B (en) | 2016-01-06 | 2016-01-06 | Anti-aging ternary catalyzing unit |
| CN201711361843.4A CN108104921B (en) | 2016-01-06 | 2016-01-06 | Anti-aging catalytic converter |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610002280.9A Division CN105587388B (en) | 2016-01-06 | 2016-01-06 | Anti-aging ternary catalyzing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108104921A CN108104921A (en) | 2018-06-01 |
| CN108104921B true CN108104921B (en) | 2020-04-03 |
Family
ID=55927252
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711361843.4A Active CN108104921B (en) | 2016-01-06 | 2016-01-06 | Anti-aging catalytic converter |
| CN201610002280.9A Active CN105587388B (en) | 2016-01-06 | 2016-01-06 | Anti-aging ternary catalyzing unit |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610002280.9A Active CN105587388B (en) | 2016-01-06 | 2016-01-06 | Anti-aging ternary catalyzing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108104921B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848006B (en) * | 2019-11-26 | 2021-04-27 | 青岛德顺昕工贸有限公司 | Prevent overheated three way catalyst converter |
| CN115013126B (en) * | 2022-05-18 | 2023-08-15 | 东风汽车集团股份有限公司 | Exhaust structure and exhaust control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3376695A (en) * | 1966-01-06 | 1968-04-09 | Crawford Ind Ltd | Exhaust filters |
| CN1299456A (en) * | 1998-04-30 | 2001-06-13 | 催化燃烧系统公司 | Support structures for catalyst |
| CN2746131Y (en) * | 2004-03-09 | 2005-12-14 | 岳山 | Vortex control triple catalyst for tail gas of vehicle |
| KR20150128329A (en) * | 2014-05-09 | 2015-11-18 | 안성규 | muffler device for vehicle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1573527A (en) * | 1967-07-08 | 1969-07-04 | ||
| US5083435A (en) * | 1990-07-23 | 1992-01-28 | Lin Ching Chih | Exhaust pipe with turbine vane |
| DE4131438C1 (en) * | 1991-09-21 | 1992-12-03 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | IC engine exhaust gas silencer - provides proportional noise suppression and reuses energy by assigning generator to rotor in exhaust pipe |
| DE102010056314A1 (en) * | 2010-12-27 | 2012-06-28 | Friedrich Boysen Gmbh & Co. Kg | Device for distributing fluids in exhaust systems |
| US20140245721A1 (en) * | 2013-03-04 | 2014-09-04 | Wen-Lo Chen | Black smoke burning and purifying apparatus for vehicle exhaust |
-
2016
- 2016-01-06 CN CN201711361843.4A patent/CN108104921B/en active Active
- 2016-01-06 CN CN201610002280.9A patent/CN105587388B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3376695A (en) * | 1966-01-06 | 1968-04-09 | Crawford Ind Ltd | Exhaust filters |
| CN1299456A (en) * | 1998-04-30 | 2001-06-13 | 催化燃烧系统公司 | Support structures for catalyst |
| CN2746131Y (en) * | 2004-03-09 | 2005-12-14 | 岳山 | Vortex control triple catalyst for tail gas of vehicle |
| KR20150128329A (en) * | 2014-05-09 | 2015-11-18 | 안성규 | muffler device for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108104921A (en) | 2018-06-01 |
| CN105587388B (en) | 2018-04-24 |
| CN105587388A (en) | 2016-05-18 |
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Effective date of registration: 20200306 Address after: 325002 No.30, luhongdian North Road, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: Wu Baoxin Address before: 215000 402, building 47, 1, Qi Lu, Xiangcheng District, Suzhou, Jiangsu Applicant before: Gu Yufeng |
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