CN105413269B - A kind of sewage filter device and sewage disposal system - Google Patents
A kind of sewage filter device and sewage disposal system Download PDFInfo
- Publication number
- CN105413269B CN105413269B CN201510990707.6A CN201510990707A CN105413269B CN 105413269 B CN105413269 B CN 105413269B CN 201510990707 A CN201510990707 A CN 201510990707A CN 105413269 B CN105413269 B CN 105413269B
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- Prior art keywords
- sewage
- conveying chamber
- debris
- catchment
- locker room
- 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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- 239000010865 sewage Substances 0.000 title claims abstract description 122
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 108091006146 Channels Proteins 0.000 claims description 13
- 239000010813 municipal solid waste Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 8
- 239000002351 wastewater Substances 0.000 claims description 7
- 241000196324 Embryophyta Species 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010248 power generation Methods 0.000 claims description 5
- 102000010637 Aquaporins Human genes 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 108010063290 Aquaporins Proteins 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 claims description 3
- 239000002440 industrial waste Substances 0.000 claims description 3
- 231100000719 pollutant Toxicity 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 230000032258 transport Effects 0.000 description 3
- 238000006424 Flood reaction Methods 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing Of Solid Wastes (AREA)
- Sewage (AREA)
Abstract
The present invention relates to sewage treatment area, and in particular to a kind of sewage filter device and sewage disposal system.Including：Cavity, it is arranged in housing, and it includes conveying chamber and locker room；Intake tunnel, it is connected with conveying chamber；Conveying mechanism, it is arranged in conveying chamber, and the conveying mechanism is used to separate the water in sewage with debris, and water is sent in drainage channel, debris is sent in locker room；Filter mechanism, it includes screen pack and catchment；Drainage channel, it is connected with catchment.The present invention tentatively handles sewage by designing a kind of sewage filter device, sewage is separated with debris, and the debris after separation is transported in locker room, it is easy to be uniformly processed, the sewage discharge after separation is gone out by catchment and drainage channel, improves sewage treating efficiency；Meanwhile, sewage filter device also has the advantages that simple in construction, easy to operate, easy care.
Description
Technical field
The present invention relates to sewage treatment area, and in particular to a kind of sewage filter device and sewage disposal system.
Background technology
Sewage is often referred to discharge water necessarily polluted, from life and production, and it mainly has sanitary sewage, Industry Waste
Water and early-stage rainwater.
In general, the sewage of industry life discharge often mixes many industrial sanitary wastes, these industry lives are useless
Thing easily blocks sewer, river course, particularly heavy rain weather, easily causes floods；Meanwhile, sewage behind sewer, river course,
Many weeds, wooden unit, house refuse etc. can be mixed again, if carrying out the work, Yi Zao such as thermal power generation, industry cooling using sewage
Blocked into water pump, or be exhausted directly to after the completion of above-mentioned work water channel, river course, easily to pollute environment.
To solve the above problems, general in the prior art carry out filtering foreign by screen pack, but timing is needed to remove
The rubbish on screen pack is covered in, it is cumbersome；Or sewage rubbish separation is carried out using sewage (rubbish) filter plant, but
These device structures are extremely complex, at the same also inefficiency, the shortcomings of cost is high, be unsuitable for large-scale use.
How to design that a simple in construction, operating efficiency is high, easy care sewage (rubbish) filter plant, be this area skill
One of the problem of art personnel primary study and solution.
The content of the invention
The technical problem to be solved in the present invention is that the drawbacks described above for prior art is filled there is provided a kind of sewage water filtration
Put, it has the advantages that, and simple in construction, operating efficiency is high, easy care.
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, there is provided a kind of sewage disposal system
System, it has the advantages that, and simple in construction, operating efficiency is high, easy care.
The technical solution adopted for the present invention to solve the technical problems is：A kind of sewage filter device, including housing are provided,
Also include：
Cavity, it is arranged in housing, and it includes conveying chamber and locker room, and the conveying chamber is connected with locker room
Intake tunnel, it is connected with conveying chamber, and it is used to transport the sewage for being mixed with debris in conveying chamber；
Conveying mechanism, it is arranged in conveying chamber, and the conveying mechanism is used to separate the water in sewage with debris, and water is sent
Into drainage channel, debris is sent in locker room；
Filter mechanism, it includes screen pack and catchment, and the screen pack is separately positioned on conveying chamber and the inwall of locker room
On, the catchment is connected with screen pack；
Drainage channel, it is with catchment and connects, and it is used to the sewage after impurity removing will be gone to discharge.
Wherein, preferred version is：Also include the flanged plate for being arranged on housing forward end face and the lid for being arranged on housing rear end face
Body.
Wherein, preferred version is：The conveying mechanism includes the motor being arranged on flanged plate and is arranged on conveying chamber
Pushing block, the pushing block moves in conveying chamber under the drive of motor, sewage separated.
Wherein, preferred version be in：The conveying mechanism includes the motor being arranged on flanged plate and is arranged on conveying
The moving block of room, the moving block is rotated under the drive of motor in conveying chamber, and sewage is separated.
Wherein, preferred version is：The intake tunnel includes some laterals, and the dry lateral is arranged on flanged plate
And connected with conveying chamber.
Wherein, preferred version is：One pressure sensor is set in the locker room, and the pressure sensor is used to detect locker room
Interior garbage amount.
Wherein, preferred version is：The cavity is cylindrical structure.
Wherein, preferred version is：The catchment is arranged on the outer wall of cavity.
Wherein, preferred version is：The filter bores of the screen pack are square hole, and the length of side of the square hole is 1~10mm.
The technical solution adopted for the present invention to solve the technical problems is：A kind of sewage disposal system is provided, its feature exists
In：Including sewage storage device, draining pump and sewage filter device, the sewage filter device includes,
Cavity, it includes conveying chamber and locker room, and the conveying chamber is connected with locker room；
The intake tunnel connected with sewage storage device, it is connected with conveying chamber, and it is used in sewage storage device
The sewage for being mixed with debris is transported in conveying chamber；
Conveying mechanism, it is arranged in conveying chamber, and the conveying mechanism is used to separate the water in sewage with debris, and water is sent
Into drainage channel, debris is sent in locker room；
Filter mechanism, it includes screen pack and catchment, and the screen pack is separately positioned on conveying chamber and the inwall of locker room
On, the catchment is connected with screen pack；
The drainage channel connected with draining pump, it is connected with catchment and draining pump respectively, and it is used to go after impurity removing
Sewage discharged by draining pump.
The beneficial effects of the present invention are compared with prior art, the present invention is by designing a kind of sewage filter device, just
Step is handled sewage, and sewage is separated with debris, and the debris after separation is transported in locker room, is easy to unification
Processing, is gone out the sewage discharge after separation by catchment and drainage channel, improves sewage treating efficiency；Meanwhile, sewage mistake
Filter device also has the advantages that simple in construction, easy to operate, easy care.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the cross-sectional view of sewage filter device of the present invention；
Fig. 2 is the side structure schematic diagram of sewage filter device of the present invention；
Fig. 3 is the structural representation of sewage disposal system of the present invention.
Embodiment
In conjunction with accompanying drawing, presently preferred embodiments of the present invention is elaborated.
As depicted in figs. 1 and 2, the present invention provides a kind of preferred embodiment of sewage filter device.
This sewage filter device 10 be can be applicable in various fields, and such as central air-conditioning waste water, industrial treatment waste water, life are used
The sewage such as water, after the processing of sewage filter device 10, the water in sewage is separated with debris, and by the debris after separation
Stored, be uniformly processed again after storage overload.
A kind of sewage filter device 10, including housing 11, intake tunnel 12, conveying mechanism 13, filter mechanism 14 and draining
Passage 15, conveying mechanism 13 and filter mechanism 14 are arranged in housing 11, for separating sewage and debris, intake tunnel 12 and row
Aquaporin 15 is arranged on housing 11, and with being connected in housing 11, the sewage for being mixed with debris is inputted from intake tunnel 12, and leads to
Conveying mechanism 13 and filter mechanism 14 are crossed, sewage is excluded by drainage channel 15, preliminary sewage treatment works are completed, by debris
Store in corresponding memory space, be easy to focus on.
Specifically：
In the present embodiment, cavity is provided with housing 11, cavity includes conveying chamber 111 and the locker room 112 being interconnected；
Preferably, cavity is cylindrical structure.Wherein, a pressure sensor is set in locker room, and pressure sensor, which is used to detect, to be stored
Indoor garbage amount.
Further, sewage filter device 10 also includes being arranged on the flanged plate 113 of the front end face of housing 11 and is arranged on shell
The lid 114 of the rear end face of body 11, one end of conveying chamber 111 is flanged plate 113, and one end of locker room 112 is lid 114, flange
The cooperation of plate 113, lid 114 and housing 11, which is installed, to be made to be in sealing state in housing 11, prevents sewage from flowing out；Meanwhile, lid
114 be closed/open structure with housing 11, opens after lid 114, the rear end face of the debris of locker room 112 from housing 11 is removed
Go out, improve the disposal ability of debris, save manpower.
In the present embodiment, intake tunnel 12 is connected with conveying chamber 111, and the sewage for being mixed with debris is passed through into intake tunnel 12
Transport in conveying chamber 111；Wherein, intake tunnel 12 may be provided on flanged plate 113, or be arranged on housing 11.
Further, intake tunnel 12 include some laterals, dry lateral be arranged on flanged plate 113 and with it is defeated
Room 111 is sent to connect, intake tunnel 12 equably transports sewage in conveying chamber 111；Lateral preferably includes first point
Branch pipe(tube) 121 and second branched pipe road 122, the first lateral 121 and second branched pipe road 122 are being arranged on flanged plate 113 just
In the left and right sides.
In the present embodiment, conveying mechanism 13 includes two schemes, is specifically：
Scheme one, conveying mechanism 13 include the motor 131 being arranged on flanged plate 113 and are arranged on conveying chamber 111
Pushing block (accompanying drawing is not shown), the pushing block moves in conveying chamber 111 under the drive of motor 131, sewage entered
Row separation.It is preferred that, pushing block returns movement under the drive of motor 131 in conveying chamber 111, by the rubbish in sewage
It is pushed in locker room 112；Meanwhile, pushing block could be arranged to taper, by angle of inclination by sewage in moving process
Water counter shift onto in catchment 142.
Scheme two, the conveying mechanism 13 include the motor 131 being arranged on flanged plate 113 and are arranged on conveying chamber
111 moving block (accompanying drawing is not shown), the moving block is rotated under the drive of motor 131 in conveying chamber 11, by sewage
Separated.It is preferred that, various shapes structure can be set in moving block, is easy in its rotation process, drainage flow is driven, by dirt
Rubbish in water pushes locker room 112 to, while by the water in sewage because the effect of rotator inertia is pushed in catchment 142.
In the present embodiment, filter mechanism 14 includes screen pack 141 and catchment 142, and screen pack 141 is separately positioned on defeated
On the inwall for sending room 111 and locker room 112, catchment 142 is connected with screen pack 141；The filter bores of screen pack 141 be square hole,
Circular hole or other holes of different shapes, preferably square hole, the length of side of square hole is 1~10mm, preferably 5mm.
Further, catchment 142 is arranged on the outer wall of cavity, and sewage flows directly to catchment 142 by screen pack 141
In；
In the present embodiment, drainage channel 15 is connected with catchment 142, and drainage channel 15 is used to that the dirt after impurity removing will to be gone
Water is discharged.It is preferred that, drainage channel 15 is positioned close on the catchment 142 of lid 114, is easy to directly to open lid 114 and is examined
Look into the abnormal conditions of drainage channel 15.
In this embodiment, sewage filter device 10 also includes the support frame 16 for fixed shell 11, and support frame 16 is set
In the underface of fixed shell 11, make sewage filter device 10 away from ground, or be easy to the installation of sewage filter device 10.
As described in Figure 3, the present invention provides a kind of preferred embodiment of sewage disposal system.
A kind of sewage disposal system, including sewage storage device 30, draining pump 20 and sewage filter device 10, sewage water filtration
Device 10 as described above, just do not illustrate one by one herein.
Sewage storage device 30 is connected with intake tunnel 12, and sewage storage device 30 includes a suction pump, and sewage is passed through
Intake tunnel 12 is sent to conveying chamber 111；Sewage storage device 30 is the use water filtering device in thermal power generation, or is industry cooling
Device output section, or be industrial heat sink input unit, or the water area for storage sewage etc..
Draining pump 20 is connected with drainage channel 15, and draining pump 20 excludes the sewage after impurity removing.
Further, sewage disposal system also includes the second sewage storage device, the second sewage storage device and draining pump
20 connections；Second sewage storage device is the use water filtering device in thermal power generation, or is industrial heat sink output section, or is
Industrial heat sink input unit, or be the water area of storage sewage etc..
The sewage referred in the present invention is primarily referred to as industrial wastewater, sanitary sewage, business sewage and overland flow from rain
Water under water, snow-broth, highway, the water from city and industrial area etc., sewage includes many pollutants and and sewage
The debris mixed, debris such as weeds, wooden unit, rubble, industrial waste, sanitary waste etc., this sewage filter device 10 mainly pair
Debris in sewage carries out preliminary treatment, then is discharged into rivers, or the sewage after preliminary treatment is utilized, such as firepower
Generating, industry cooling etc..
As described above, only preferred embodiment is not intended to limit the scope of the present invention, Fan Yibenfa
The equivalent change or modification that bright claim is made, is all that the present invention is covered.
Claims (2)
1. a kind of sewage filter device, including housing, it is characterised in that also include：
Cavity, it is arranged in housing, and it includes conveying chamber and locker room, and the conveying chamber is connected with locker room；The cavity is circle
Column structure；
Also include the flanged plate for being arranged on housing forward end face and the lid for being arranged on housing rear end face；
Intake tunnel, it is connected with conveying chamber, and it is used to transport the sewage for being mixed with debris in conveying chamber；The intake tunnel bag
Some laterals are included, some laterals are arranged on flanged plate and connected with conveying chamber；
Conveying mechanism, it is arranged in conveying chamber, and the conveying mechanism is used to separate the water in sewage with debris, and water is sent into row
In aquaporin, debris is sent in locker room；The conveying mechanism includes the motor being arranged on flanged plate and is arranged on defeated
The pushing block of room is sent, the pushing block is moved under the drive of motor in conveying chamber, and sewage is separated；It is described to promote
Block is taper, is shifted onto the water in sewage is counter in moving process by angle of inclination in catchment；
Filter mechanism, it includes screen pack and catchment, and the screen pack is separately positioned on the inwall of conveying chamber and locker room, should
Catchment is connected with screen pack；The catchment is arranged on the outer wall of cavity；The filter bores of the screen pack are square hole, the side of the square hole
A length of 1~10mm；
Drainage channel, it is connected with catchment, and it is used to the sewage after impurity removing will be gone to discharge；
One pressure sensor is set in the locker room, and the pressure sensor is used to detect the garbage amount in locker room；
The sewage filter device is applied to central air-conditioning waste water, industrial treatment waste water, the processing of domestic water sewage；The dirt
Water filtering device is utilized to the sewage after preliminary treatment, and described utilize includes thermal power generation, industry cooling；Sewage includes
Pollutant and the debris mixed with sewage, the debris include weeds, wooden unit, rubble, industrial waste, sanitary waste.
2. a kind of sewage disposal system, it is characterised in that including sewage storage device, draining pump and sewage filter device, the dirt
Water filtering device includes：
Cavity, it is arranged in housing, and it includes conveying chamber and locker room, and the conveying chamber is connected with locker room；The cavity is circle
Column structure；
Also include the flanged plate for being arranged on housing forward end face and the lid for being arranged on housing rear end face；
Intake tunnel, it is connected with conveying chamber, and it is used to transport the sewage for being mixed with debris in conveying chamber；The intake tunnel bag
Some laterals are included, some laterals are arranged on flanged plate and connected with conveying chamber；
Conveying mechanism, it is arranged in conveying chamber, and the conveying mechanism is used to separate the water in sewage with debris, and water is sent into row
In aquaporin, debris is sent in locker room；The conveying mechanism includes the motor being arranged on flanged plate and is arranged on defeated
The pushing block of room is sent, the pushing block is moved under the drive of motor in conveying chamber, and sewage is separated；It is described to promote
Block is taper, is shifted onto the water in sewage is counter in moving process by angle of inclination in catchment；
Filter mechanism, it includes screen pack and catchment, and the screen pack is separately positioned on the inwall of conveying chamber and locker room, should
Catchment is connected with screen pack；The catchment is arranged on the outer wall of cavity；The filter bores of the screen pack are square hole, the side of the square hole
A length of 1~10mm；
Drainage channel, it is connected with catchment, and it is used to the sewage after impurity removing will be gone to discharge；
One pressure sensor is set in the locker room, and the pressure sensor is used to detect the garbage amount in locker room；
The sewage filter device is applied to central air-conditioning waste water, industrial treatment waste water, the processing of domestic water sewage；The dirt
Water filtering device is utilized to the sewage after preliminary treatment, and described utilize includes thermal power generation, industry cooling；Sewage includes
Pollutant and the debris mixed with sewage, the debris include weeds, wooden unit, rubble, industrial waste, sanitary waste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510990707.6A CN105413269B (en) | 2015-12-24 | 2015-12-24 | A kind of sewage filter device and sewage disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510990707.6A CN105413269B (en) | 2015-12-24 | 2015-12-24 | A kind of sewage filter device and sewage disposal system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105413269A CN105413269A (en) | 2016-03-23 |
| CN105413269B true CN105413269B (en) | 2017-08-04 |
Family
ID=55492082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510990707.6A Active CN105413269B (en) | 2015-12-24 | 2015-12-24 | A kind of sewage filter device and sewage disposal system |
Country Status (1)
| Country | Link |
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| CN (1) | CN105413269B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999544A (en) * | 2019-04-15 | 2019-07-12 | 江苏钲清环保科技有限公司 | A kind of sewage disposal system |
| CN110215750A (en) * | 2019-06-13 | 2019-09-10 | 杭州绿一环保技术有限公司 | A kind of sewage rubbish processing equipment |
| CN111530191A (en) * | 2020-05-09 | 2020-08-14 | 刘丽敏 | Ceiling type indoor air purifier |
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| US6337013B1 (en) * | 1997-12-23 | 2002-01-08 | Ontario Power Generation, Inc. | Removable filter with jack sealing device and vacuum cleaning heads |
| CN201141007Y (en) * | 2007-10-26 | 2008-10-29 | 姚贤明 | Marsh liquid slag remover |
| CN101653668A (en) * | 2009-06-30 | 2010-02-24 | 优顿(天津)精细化工有限公司 | Batch type solid-liquid separating device |
| CN202032790U (en) * | 2011-04-16 | 2011-11-09 | 姜衍礼 | Anti-blocking automatic filtering device of urban raw sewage and earth surface water source heat pump and system thereof |
| CN103341280A (en) * | 2013-07-31 | 2013-10-09 | 上海日鹤环保设备技术有限公司 | Laminated solid-liquid separation device |
| CN203634904U (en) * | 2013-12-13 | 2014-06-11 | 罗志豪 | Spiral tank capable of rapidly eliminating sewage solid garbage |
| CN205435100U (en) * | 2015-12-24 | 2016-08-10 | 深圳世能科泰能源技术股份有限公司 | Contaminated water filtration apparatus and sewage treatment system |
-
2015
- 2015-12-24 CN CN201510990707.6A patent/CN105413269B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6337013B1 (en) * | 1997-12-23 | 2002-01-08 | Ontario Power Generation, Inc. | Removable filter with jack sealing device and vacuum cleaning heads |
| CN201141007Y (en) * | 2007-10-26 | 2008-10-29 | 姚贤明 | Marsh liquid slag remover |
| CN101653668A (en) * | 2009-06-30 | 2010-02-24 | 优顿(天津)精细化工有限公司 | Batch type solid-liquid separating device |
| CN202032790U (en) * | 2011-04-16 | 2011-11-09 | 姜衍礼 | Anti-blocking automatic filtering device of urban raw sewage and earth surface water source heat pump and system thereof |
| CN103341280A (en) * | 2013-07-31 | 2013-10-09 | 上海日鹤环保设备技术有限公司 | Laminated solid-liquid separation device |
| CN203634904U (en) * | 2013-12-13 | 2014-06-11 | 罗志豪 | Spiral tank capable of rapidly eliminating sewage solid garbage |
| CN205435100U (en) * | 2015-12-24 | 2016-08-10 | 深圳世能科泰能源技术股份有限公司 | Contaminated water filtration apparatus and sewage treatment system |
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| Publication number | Publication date |
|---|---|
| CN105413269A (en) | 2016-03-23 |
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Denomination of invention: A sewage filtration device and sewage treatment system Effective date of registration: 20230406 Granted publication date: 20170804 Pledgee: Guangzhou Huadu Wansui Small Loan Co.,Ltd. Pledgor: SHENZHEN SINAEAN CO-TECH ENERGY TECHNOLOGY Co.,Ltd.|FUJIAN SINAEAN CO-TECH ENERGY SAVING EQUIPMENT Co.,Ltd. Registration number: Y2023980037414 |
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