CN215388510U - Molecular sieve rotating wheel adsorption catalytic combustion integrated machine - Google Patents
Molecular sieve rotating wheel adsorption catalytic combustion integrated machine Download PDFInfo
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- CN215388510U CN215388510U CN202120505146.7U CN202120505146U CN215388510U CN 215388510 U CN215388510 U CN 215388510U CN 202120505146 U CN202120505146 U CN 202120505146U CN 215388510 U CN215388510 U CN 215388510U
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- molecular sieve
- catalytic combustion
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- 239000002808 molecular sieve Substances 0.000 title claims abstract description 70
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 46
- 238000007084 catalytic combustion reaction Methods 0.000 title claims abstract description 41
- 239000007789 gas Substances 0.000 claims abstract description 29
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 23
- 230000001699 photocatalysis Effects 0.000 claims abstract description 23
- 238000011084 recovery Methods 0.000 claims abstract description 11
- 239000002912 waste gas Substances 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 9
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 18
- 229910021536 Zeolite Inorganic materials 0.000 claims description 17
- 239000010457 zeolite Substances 0.000 claims description 17
- 238000003795 desorption Methods 0.000 claims description 15
- 230000008929 regeneration Effects 0.000 claims description 15
- 238000011069 regeneration method Methods 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000005338 heat storage Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000006555 catalytic reaction Methods 0.000 claims 1
- 239000012855 volatile organic compound Substances 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000013354 porous framework Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of waste gas treatment, and particularly discloses a molecular sieve rotating wheel adsorption catalytic combustion all-in-one machine, which comprises: the pretreatment device and the concentration detection device comprise a concentration sensor and a control valve; the control valve is connected with a first pipeline and a second pipeline, and the concentration sensor is selectively communicated with the first pipeline or the second pipeline according to the gas concentration; the UV photocatalytic decomposition device is communicated with the first pipeline; the catalytic combustion device is communicated with the second pipeline and is communicated with the UV photocatalytic decomposition device; a heat recovery device connected to the catalytic combustion device; and the molecular sieve rotating wheel adsorption device is arranged between the control valve and the catalytic combustion device. Through setting up concentration detection device for the machine of this application can be according to the concentration real-time adjustment exhaust-gas treatment flow of waste gas, has practiced thrift the resource, has realized the high-efficient processing of waste gas.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, and particularly discloses a molecular sieve rotating wheel adsorption catalytic combustion all-in-one machine.
Background
At present, in the production process of most printing, chemical industry, food and other industries in China, Volatile Organic Compounds (VOCs) discharged from a drying device are taken as PM2.5 and O3Is directly discharged, and the discharge amount of the waste gas reaches millions of tons or even thousands of tons every year, thereby causing serious atmospheric pollution.
The conventional treatment modes such as absorption, condensation, membrane separation and the like have low removal efficiency on volatile organic compounds, and are difficult to meet the current emission control requirement. The existing zeolite molecular sieve adsorption rotating wheel has low concentration rate, large occupied area, easy damage and difficult replacement of zeolite, high operation and maintenance cost, unstable work of most catalytic combustion reactors in the market, low purification efficiency and easy generation of secondary pollution.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, the above-mentioned technical problems in the related art. Therefore, the utility model provides a molecular sieve rotating wheel adsorption catalytic combustion all-in-one machine, which solves at least one technical problem.
In order to achieve the above object, the present invention provides, in a first aspect, a molecular sieve rotary wheel adsorption catalytic combustion all-in-one machine, including:
the pretreatment device is used for removing dust and oil from the waste gas to be treated;
the concentration detection device comprises a concentration sensor and a control valve; the control valve is connected with a first pipeline and a second pipeline, the concentration sensor is used for detecting the concentration of the gas filtered by the pretreatment device and selectively communicating the first pipeline or the second pipeline according to the concentration of the gas;
the UV photocatalytic decomposition device is communicated with the first pipeline;
the catalytic combustion device is communicated with the second pipeline and is communicated with the UV photocatalytic decomposition device;
a heat recovery device connected to the catalytic combustion device;
and the molecular sieve rotating wheel adsorption device is arranged between the control valve and the catalytic combustion device.
In addition, the molecular sieve rotating wheel adsorption and catalytic combustion all-in-one machine can also have the following additional technical characteristics:
according to one embodiment of the utility model, the device further comprises an exhaust funnel communicated with the UV photocatalytic decomposition device.
According to one embodiment of the utility model, a molecular sieve rotating wheel is arranged in the molecular sieve rotating wheel adsorption device, the molecular sieve rotating wheel is divided into an adsorption concentration zone, a desorption regeneration zone and a cooling zone, the molecular sieve rotating wheel can be switched among the adsorption concentration zone, the desorption regeneration zone and the cooling zone, and the desorption regeneration zone is communicated with the heat recovery device.
According to one embodiment of the utility model, the catalytic combustion device comprises a heat storage area and a combustion area, wherein the heat storage area is filled with a ceramic material; the combustion zone is provided with a catalytic combustion reactor.
According to one embodiment of the present invention, the adsorption concentration zone occupies three-quarters of the molecular screening wheel, and the desorption regeneration zone and the cooling zone occupy one eighth of the molecular screening wheel respectively.
According to one embodiment of the utility model, the device further comprises a particle adsorber arranged between the pretreatment device and the concentration detection device, and the adsorption material filled in the particle adsorber is activated carbon or molecular sieve.
According to an embodiment of the utility model, a plurality of circles of annular holes are formed in the molecular sieve, the diameter of the annular holes in the same circle is the same, and the inner diameter of the annular holes is gradually reduced along the direction from inside to outside of the circle center of the molecular sieve.
According to one embodiment of the utility model, the innermost annular ring has an inner diameter of 2-50 nm.
According to one embodiment of the utility model, the UV photocatalytic decomposition devices are arranged in a plurality of numbers, and the UV photocatalytic decomposition devices are arranged in parallel and/or in series.
According to one embodiment of the utility model, the molecular sieve wheel is a zeolite molecular sieve wheel.
Compared with the prior art, the utility model has the following beneficial effects:
through setting up concentration detection device for the machine of this application can be according to the concentration real-time adjustment exhaust-gas treatment flow of waste gas, has practiced thrift the resource, has realized the high-efficient processing of waste gas.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic structural diagram of an adsorption-catalytic combustion all-in-one machine with a molecular sieve rotating wheel in the embodiment of the utility model;
FIG. 2 is a schematic diagram of the structure of the molecular sieve in the particulate adsorber of an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a," "an," and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, elements, and/or components, but do not preclude the presence or addition of one or more other features, elements, components, and/or groups thereof.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first", "second", may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
For convenience of description, spatially relative terms, such as "bottom," "front," "upper," "oblique," "lower," "top," "inner," "horizontal," "outer," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. This spatially relative relationship is intended to encompass different orientations of the mechanism in use or operation in addition to the orientation depicted in the figures. For example, if the mechanism in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below.
Referring to fig. 1-2, some embodiments of the present invention provide a molecular sieve rotating wheel adsorption catalytic combustion all-in-one machine 100, where the molecular sieve rotating wheel adsorption catalytic combustion all-in-one machine 100 includes a pretreatment device 10, a particle adsorber 11, a concentration detection device, a molecular sieve rotating wheel adsorption device 12, a catalytic combustion device 13, a heat recovery device 14, a UV photocatalytic decomposition device 15, an exhaust funnel 16, and a controller, where the pretreatment device 10 is configured to remove dust and oil from exhaust gas to be treated; the particle adsorber 11 is filled with adsorbing materials and is used for adsorbing the exhaust gas treated by the pretreatment device 10, and the concentration detection device comprises a concentration sensor 17 and a control valve 18; the control valve 18 is connected with a first pipeline 19 and a second pipeline 20, the concentration sensor 17 is used for detecting the concentration of the gas filtered by the particle absorber 11, obtaining the concentration value of the gas in real time, and selectively communicating the first pipeline 19 or the second pipeline 20 according to the concentration of the gas, the UV photocatalytic decomposition device 15 is communicated with the first pipeline 19, the catalytic combustion device 13 is communicated with the second pipeline 20, the catalytic combustion device 13 is connected with the heat recovery device 14, and the heat recovery device 14 is communicated with the UV photocatalytic decomposition device 15; the molecular sieve rotary wheel adsorption device 12 is arranged between the control valve 18 and the catalytic combustion device 13, and the exhaust funnel 16 is communicated with the UV photocatalytic decomposition device 15.
It should be noted that, several UV photocatalytic decomposition devices 15 may be provided, and the several UV photocatalytic decomposition devices 15 are arranged in parallel and/or in series.
The molecular sieve rotating wheel adsorption device 12 is a zeolite molecular sieve rotating wheel adsorption device, waste gas concentration is mainly realized through a zeolite molecular sieve rotating wheel, the molecular sieve rotating wheel is of a circular structure, zeolite is uniformly filled in the molecular sieve rotating wheel, the main component of the zeolite is porous framework type aluminosilicate, holes are distributed in the zeolite, and the zeolite molecular sieve rotating wheel has the characteristic of selectively adsorbing molecules with different sizes, and comprises an adsorption concentration area 120, a desorption regeneration area 121 and a cooling area 122, and can be switched among the adsorption concentration area 120, the desorption regeneration area 121 and the cooling area 122, wherein the desorption regeneration area 121 is communicated with the heat recovery device 14, and the adsorption concentration area 120 is communicated with the UV photocatalytic decomposition device 15.
When the gas concentration value detected by the concentration sensor 17 is more than 80mg/Nm3And the controller makes the gas to be treated enter the zeolite molecular sieve rotating wheel adsorption device 12 through a second pipeline 20 as high-concentration organic gas through a control valve 18, and the high-concentration organic gas is adsorbed by the molecular sieve of the zeolite molecular sieve rotating wheel in an adsorption concentration area 120, so that the high-concentration organic gas becomes micro-polluted gas.
The zeolite molecular sieve rotating wheel absorbing the VOCs is rotated to enter a desorption regeneration zone 121, the VOCs are desorbed from the molecular sieve to enter a hot working medium to become VOCs concentrated gas under the heating of the hot working medium from a hot working medium channel of the heat recovery device 14, and the molecular sieve is regenerated; the zeolite molecular sieve wheel continues to rotate into cooling zone 122 for cooling.
A part of the concentrated gas in the desorption regeneration zone 121 enters the UV photocatalytic decomposition device 15, and is decomposed and converted into harmless gas under the action of the UV photocatalytic decomposition device 15. The other part of the concentrated gas enters a catalytic combustion device 13 for combustion to generate high-temperature flue gas comprising water and carbon dioxide gas; part of heat generated by combustion is accumulated by the heat accumulation region 130 and the combustion region 131 of the catalytic combustion device 13, so that the internal temperature of the catalytic combustion device is raised, the heat generated in the heat accumulation region 130 and the combustion region 131 is absorbed by the heat exchange working medium through the heat recovery device 14 along with high-temperature flue gas, the heat is heated to become a hot working medium, the hot working medium carries part of heat to return to the desorption regeneration region 121 of the molecular sieve rotary wheel adsorption device 12 to heat the molecular sieve, VOCs adsorbed by the molecular sieve are desorbed to enter the hot working medium to become concentrated gas, and the hot working medium is used as carrier gas of the VOCs in the concentrated gas.
Wherein, the heat storage area 130 is filled with ceramic materials; the combustion zone 131 is provided with a catalytic combustion reactor.
And when the concentration value detected by the concentration sensor 17 is less than 80mg/Nm3The controller causes the gas to be treated to enter the UV photocatalytic decomposition device 15 as a low-concentration organic gas through the first pipe by controlling the valve 18. VOCs in the low-concentration organic gas are decomposed and converted into harmless gas under the action of the UV photocatalytic decomposition device 15.
It should be noted that in this embodiment, the adsorption concentration zone 120 occupies three quarters of the zeolite molecular sieve wheel, and the desorption regeneration zone 121 and the cooling zone 122 occupy one eighth of the zeolite molecular sieve wheel respectively. Specifically, the zeolite molecular sieve rotating wheel arranged according to the proportion can improve the removing and adsorbing effects of the waste gas.
In addition, as shown in fig. 2, the adsorption material filled in the particulate adsorber 11 is activated carbon or molecular sieve. The molecular sieve is provided with a plurality of circles of annular holes 110, the aperture of the annular hole 110 in the same circle is the same, the inner diameter of the annular hole 110 is gradually reduced along the direction from inside to outside of the circle center of the molecular sieve, and the inner diameter of the annular hole in the innermost circle is 2-50 nm. Specifically, the molecular sieve is provided with the annular holes with different apertures, so that the molecular sieve can filter particles with different particle sizes, and the filtering effect of the particles is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a molecular sieve runner adsorption catalysis burning all-in-one which characterized in that includes:
the pretreatment device is used for removing dust and oil from the waste gas to be treated;
the concentration detection device comprises a concentration sensor and a control valve; the control valve is connected with a first pipeline and a second pipeline, the concentration sensor is used for detecting the concentration of the gas filtered by the pretreatment device and selectively communicating the first pipeline or the second pipeline according to the concentration of the gas;
the UV photocatalytic decomposition device is communicated with the first pipeline;
the catalytic combustion device is communicated with the second pipeline and is communicated with the UV photocatalytic decomposition device;
a heat recovery device connected to the catalytic combustion device;
and the molecular sieve rotating wheel adsorption device is arranged between the control valve and the catalytic combustion device.
2. The molecular sieve rotating wheel adsorption catalytic combustion all-in-one machine as claimed in claim 1, further comprising an exhaust funnel communicated with the UV photocatalytic decomposition device.
3. The molecular sieve rotating wheel adsorption catalytic combustion all-in-one machine as claimed in claim 1,
the molecular sieve rotary wheel adsorption device is characterized in that a molecular sieve rotary wheel is arranged in the molecular sieve rotary wheel adsorption device and is divided into an adsorption concentration area, a desorption regeneration area and a cooling area, the molecular sieve rotary wheel can be switched among the adsorption concentration area, the desorption regeneration area and the cooling area, and the desorption regeneration area is communicated with the heat recovery device.
4. The integrated machine of molecular sieve rotary wheel adsorption catalytic combustion as claimed in claim 2, wherein the catalytic combustion device comprises a heat storage region and a combustion region, wherein the heat storage region is filled with ceramic material; the combustion zone is provided with a catalytic combustion reactor.
5. The integrated molecular sieve wheel adsorption catalytic combustion machine according to claim 3, wherein the adsorption concentration zone occupies three-quarters of the molecular sieve wheel, and the desorption regeneration zone and the cooling zone respectively occupy one eighth of the molecular sieve wheel.
6. The all-in-one machine of molecular sieve rotary wheel adsorption catalytic combustion as claimed in claim 1, further comprising a particle adsorber arranged between the pretreatment device and the concentration detection device, wherein the adsorption material filled in the particle adsorber is activated carbon or molecular sieve.
7. The molecular sieve rotating wheel adsorption catalytic combustion all-in-one machine as claimed in claim 6, wherein a plurality of rings of annular holes are formed in the molecular sieve, the diameters of the same ring of annular holes are the same, and the inner diameter of the annular holes is gradually reduced along the direction from inside to outside of the circle center of the molecular sieve.
8. The integrated molecular sieve-rotating wheel adsorption catalytic combustion machine according to claim 7, wherein the inner diameter of the innermost ring hole is 2-50 nm.
9. The molecular sieve rotating wheel adsorption catalytic combustion all-in-one machine as claimed in claim 1, wherein a plurality of UV photocatalytic decomposition devices are arranged, and the UV photocatalytic decomposition devices are arranged in parallel and/or in series.
10. The integrated adsorption and catalytic combustion machine with molecular sieve rotating wheels according to any one of claims 3 to 9, wherein the molecular sieve rotating wheels are zeolite molecular sieve rotating wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120505146.7U CN215388510U (en) | 2021-03-09 | 2021-03-09 | Molecular sieve rotating wheel adsorption catalytic combustion integrated machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120505146.7U CN215388510U (en) | 2021-03-09 | 2021-03-09 | Molecular sieve rotating wheel adsorption catalytic combustion integrated machine |
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| CN215388510U true CN215388510U (en) | 2022-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117258495A (en) * | 2023-11-20 | 2023-12-22 | 陕西宝昱科技工业股份有限公司 | Low-concentration waste gas concentration system and method |
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2021
- 2021-03-09 CN CN202120505146.7U patent/CN215388510U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117258495A (en) * | 2023-11-20 | 2023-12-22 | 陕西宝昱科技工业股份有限公司 | Low-concentration waste gas concentration system and method |
| CN117258495B (en) * | 2023-11-20 | 2024-02-09 | 陕西宝昱科技工业股份有限公司 | Low-concentration waste gas concentration system and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 321001 Zhuma Industrial Zone, Wucheng District, Jinhua City, Zhejiang Province Patentee after: Zhejiang Anke Environmental Protection Technology Co.,Ltd. Address before: 321001 Zhuma Industrial Zone, Wucheng District, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG ANKE ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Molecular sieve rotary adsorption catalytic combustion integrated machine Effective date of registration: 20231202 Granted publication date: 20220104 Pledgee: Zhejiang Jinhua Chengtai Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang Anke Environmental Protection Technology Co.,Ltd. Registration number: Y2023330002868 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |