Sewage Treatment System and Domestic Waste Water Treatments Plants Sludge Dewatering Equipments
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Product Highlights
- 5-Year Warranty: Comprehensive 5-year warranty coverage for peace of mind and long-term reliability.
- 24/7 Online Support: Round-the-clock online service and professional hotline for immediate troubleshooting.
- Compact Design: Small floor space requirement, ideal for limited installation areas in various industries.
- High Efficiency: Replaces traditional filter cloth, significantly reducing investment costs and improving treatment efficiency.
- Versatile Application: Suitable for municipal sewage, food processing, pharmaceutical, and petrochemical oily sludge dewatering.
- CE Certified: Product holds CE and Form E certifications, ensuring compliance with international standards.
- Customizable Capacity: Capacity ranges from 40-260kg/h with customizable material options (SS304/SS316) to meet specific needs.
- Professional Installation: Includes English manual, technical drawings, and overseas engineer guidance for installation and debugging.
Product Attributes
- Customization
- Available
- After-sales Service
- 24 Hours Online Service
- Warranty
- 5 Years
- Model NO.
- QDLX351
- Type
- Sludge Dewatering Machine
- Method
- Physical Treatment
- Usage
- Industrial, Home, Agriculture, Hospital
- Capacity
- 40-260kg
- Material
- SS304 or Ss 316
- Flow Load
- 8-20
- Name
- Sludge Dewatering Machine Screw Press
- Certification
- CE, Form E
- Ds Output
- 120-240kg/H
- Power
- 3.75kw
- Key Word
- Sludge Treatment Equipment
- Features
- Small Floor Space
- Applied
- Sewage Industerial Wastewater
- Working Principle
- Dewatering Zone
- Sludge Volume
- 2000-50000
- Manufacturer
- Best Quality
- Corollary Equipment
- Sludge Pump and Polymer Dosing Pump
- Sell Well
- Europe, North America
- Transport Package
- in Bulk
- Specification
- 2650*980*1380mm
- Trademark
- QDEVU
- Origin
- China
- HS Code
- 8421219990
- Production Capacity
- 20 Sets/ Month
- Package Size
- 265.00cm * 98.00cm * 138.00cm
- Package Gross Weight
- 1100.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
Screw Press Sludge Dewatering Machine is suitable for sludge dewatering of large, medium and small sewage plants. The dewatering machine replaces the traditional filter cloth and plate frame sludge dewatering method, reduces the investment cost and improves the treatment efficiency. It is suitable for municipal sewage treatment project and sludge dewatering treatment in food processing, printing and dyeing, paper making, pharmaceutical, leather and other industries, especially for slaughtering, petrochemical oily sludge dewatering treatment.
Working principle
Composition:
The equipment is mainly composed of frame, screw shaft, moving ring, static ring, separation ring, filtrate collecting tank, flocculating mixer, drive reducer, electrical control box and so on.
Basic working process:
1. The sludge is transported to the flocculation reaction tank through the sludge pump.
2. Sludge and flocculant (PAM) mixed in the flocculation tank, through the blender for full mixing, into a large flocculant.
3. The solid-liquid mixture enters the spiral cavity through the pipe gravity flow.
4. Through the reducer to drive the spiral axis rotation, the sludge from the concentration part of gravity concentration, while moving to the direction of the dehydration part.
5. Filtrate flows out from the gap between the moving ring and the fixed ring, further pressurized and dehydrated by adjusting the gap of the back pressure plate located at the mud discharge mouth, and finally discharged mud cake.





| Model | Dried Sludge Standard Capacity (kg/h) |
Flow Load (m³/h) |
Discharge Height(mm) | Size | N.W (kg) |
|||||||
| Low Concentration | High Concentration | 2000 mg/L |
10000 mg/L | 20000 mg/L | 30000 mg/L | 50000 mg/L | Longth (L) |
Width (W) |
High (H) |
|||
| QDLX-131 | ~4 | ~26 | ~2.0 | ~0.6 | ~0.5 | ~0.87 | ~0.4 | 250 | 2000 | 785 | 1040 | 250 |
| QDLX-132 | ~8 | ~52 | ~4.0 | ~1.2 | ~1.0 | ~1.73 | ~0.8 | 250 | 2000 | 950 | 1040 | 450 |
| QDLX-201 | ~8 | ~52 | ~4.0 | ~1.2 | ~1.0 | ~1.73 | ~0.8 | 350 | 2510 | 900 | 1300 | 420 |
| QDLX-202 | ~16 | ~104 | ~8.0 | ~2.4 | ~2.0 | ~3.47 | ~1.6 | 350 | 2560 | 1050 | 1300 | 550 |
| QDLX-301 | ~20 | ~130 | ~10 | ~3.0 | ~2.5 | ~4.33 | ~2.0 | 530 | 3330 | 1005 | 1760 | 900 |
| QDLX-302 | ~40 | ~260 | ~20 | ~6.0 | ~5.0 | ~8.67 | ~4.0 | 530 | 3530 | 1290 | 1760 | 1350 |
| QDLX-303 | ~60 | ~390 | ~30 | ~9.0 | ~7.5 | ~13 | ~6.0 | 530 | 3680 | 1620 | 1760 | 1900 |
| QDLX-351 | ~40 | ~260 | ~20 | ~6.0 | ~5.0 | ~8.67 | ~4.0 | 570 | 4005 | 1100 | 2130 | 1100 |
| QDLX-352 | ~80 | ~520 | ~40 | ~12 | ~10 | ~17.3 | ~8.0 | 570 | 4390 | 1650 | 2130 | 2100 |
| QDLX-353 | ~120 | ~780 | ~60 | ~18 | ~15 | ~26 | ~12 | 570 | 4520 | 1980 | 2130 | 3100 |
| QDLX-354 | ~160 | ~1040 | ~80 | ~24 | ~20 | ~34.68 | ~16 | 570 | 4750 | 2715 | 2130 | 4100 |
| QDLX-402 | ~135 | ~884 | ~67.5 | ~20 | ~17 | ~29.5 | ~13.6 | 660 | 4960 | 1760 | 2100 | 3500 |
| QDLX-403 | ~200 | ~1326 | ~100 | ~30 | ~25.5 | ~44.2 | ~20.4 | 660 | 5010 | 2535 | 2100 | 5500 |
| QDLX-404 | ~266 | ~1768 | ~133 | ~40 | ~34 | ~58.9 | ~27.2 | 660 | 5160 | 3160 | 2100 | 7000 |





Qingdao EVU Environmental and Engineering Equipment Co., Ltd. is established in 1999,it is one of scientific research design, equipment manufacture, installation, commissioning and training services as one integrated technology-oriented enterprises in water treatment industry. It is holding by Qingdao Spark Textile Machine Co., Ltd which is a national Spark Industrial Group, national second-level and large-scale comprehensive enterprise group in China.

We use the advanced technology and equipment over the world. Our main productions: Integrated Sewage Treatment Equipment, MBR Sewage Treatment Equipment(MBR), Electrocoagulation Sewage Treatment Plant(EC Plant), Reverse Osmosis Filteration Equipment(RO System), Dissolved Air Flotation Machine(DAF), Cavitation air Flotation Machine(CAF), Aerator, Screw Press Sludge Dewatering Machine, Automatic Chemical Dissolved and Dosing machine, Sludge Scraper, Slag Scraper, The micro bubble generator, USAB anaerobic reactor, Bar Screen, Sand Filter and so on series products.
We use the advanced technology and equipment over the world. Our main productions: Integrated Sewage Treatment Equipment, MBR Sewage Treatment Equipment(MBR), Electrocoagulation Sewage Treatment Plant(EC Plant), Reverse Osmosis Filteration Equipment(RO System), Dissolved Air Flotation Machine(DAF), Cavitation air Flotation Machine(CAF), Aerator, Screw Press Sludge Dewatering Machine, Automatic Chemical Dissolved and Dosing machine, Sludge Scraper, Slag Scraper, The micro bubble generator, USAB anaerobic reactor, Bar Screen, Sand Filter and so on series products.
1,Thirteen years experience in wase treatment facilitis.
2 , Cooperating customers all over the word.
3, The pursuit of company.
We based on "technological development, pollution remediation, wholeheartedly for customer services". We hope to cooperate withall customers from all over the world and build a better world together.
1.24-hour a day, 365-day a year access to a toll-free health care professional hotline for questions and trouble-shooting assistance freely.
2.all year round on site installation and debugging service abroad with professional engineer guide and training.
3. professional guide installation and operation
4. Manual book in English will accompany with the machine to arrive your destination.
5. Technical drawing, layout .
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR255769". Items marked "" are certified.
Company Profile
Qingdao EVU Environmental and Engineering Equipment Co., Ltd. is of scientific research design, equipment manufacture, installation, commissioning and training services as one integrated technology-oriented enterprises in water treatment industry. It is holding by Qingdao Spark Textile Machine Co., Ltd which is a national Spark Industrial Group, national second-level and large-scale comprehensive enterprise group in China.
We use the advanced technology and equipment over the world. Our main productions: Integration Sewage Wastewater Treatment Plant, Printing and Dyeing Wastewater Treatment Equipment, Car Washing Wastewater Treatment Equipment, MBR Wastewater Treatment Equipment, Cutting Fluid Sewage Treatment Equipment, Pickling Phosphate Wastewater Treatment Plant, Electroplating Wastewater Treatment Equipment, Sea water desalination system, CAF, DAF, Screw Sludge Dewatering Machine, automatic soluble drug dosing machine, RO reverse osmosis pure water machine, mud scraper, sediment scraper, mechanical grill, the micro bubble generator, chlorine dioxide generator, USAB anaerobic reactor, membrane bioreactor, mechanical filter, water purifier, the catering industry oil-water separator, micro porous aerator, biological stuffing, aluminum polychlorid, polyscrylamide, decolorizing agent, CLO2 liquid disinfectant, activated carbon, manganese filtration and so on series products.
We based on "technological development, pollution remediation, wholeheartedly for customer services". We hope to cooperate with all customers from all over the world and build a better world together.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 84, Huangtai North Road, Wangtai Town, Huangdao West Cost New Area, Qingdao, Shandong, China
-
Plant Area
- 3600 square meters
-
Number of Employees
- 53
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Qingdao Port
-
Minimum Order Quantity
- 1 pc
-
Supply Chain Partners
- 15
Our Production Capability & Technical Expertise
-
Main Products
- Sewage Treatment Plant, Water Purifier, Water Filter, Daf, Sludge Dewatering Machine, Electrical Flotation, Water Treatment Equipment, Seawater Desalination, Reverse Osmosis, RO Purifier
-
Production Lines
- 1
-
Production Machines
- Bending Machine, Laser Cutting Machine, laser Welding Machine, Welding Machine, Shearing Machine, Plasma cutting machine, Rolling Machine
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Minor Customization, Full Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 4 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 1999-05-19
-
Export Year
- 26 Years
-
Main Markets
- South America, Europe, Southeast Asia/ Mideast
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO45001:2018
-
Product Certification
- CE
FAQ
- What is the warranty period for this equipment?
- We provide a 5-year warranty for the Sludge Dewatering Machine.
- What after-sales services are provided?
- We offer 24-hour online service, 365-day toll-free hotline support, and overseas engineer guidance for installation and debugging.
- What materials are used for the machine construction?
- The material can be customized as SS304 or SS316 stainless steel.
- What is the minimum order quantity (MOQ)?
- The minimum order quantity is 1 piece.
- What are the available payment terms?
- We accept LC, T/T, D/P, PayPal, and Western Union.
- What is the lead time for production?
- The average lead time is one month for both peak and off-season periods.
- Is customization available for this machine?
- Yes, we offer full customization, flexible customization, and customization from samples or designs.
- What certifications does the product hold?
- The product is certified with CE and Form E.
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