ZHANGJIAGANG CITY PEONY MACHINERY CO.,LTD
| Solids Discharge | Continuous Scroll Discharge |
| Drive System | Dual Motor with VFD |
| Operation | Continuous Automatic |
| Separation Type | 2-Phase Solid-Liquid Separation |
| Wear Protection | TC / Ceramic Optional |
| Polymer Dosing | Optional |
| MOC | SS304 / SS316L Optional |
| Product Name | Plastic Washing Slurry Decanter Centrifuge |
| Payment Terms | L/C,T/T,Western Union |
| Supply Ability | 100sets per month |
| Delivery Time | 60 days |
| Packaging Details | Standard wooden case |
| Application | Plastic Washing Slurry Dewatering |
| Control System | PLC Automatic Control |
| Discharge type | Horizontal sedimentation centrifuge |
| Brand Name | Peony |
| Model Number | PDC |
| Certification | ISO,CE, ISO |
| Place of Origin | China |
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Product Specification
| Solids Discharge | Continuous Scroll Discharge | Drive System | Dual Motor with VFD |
| Operation | Continuous Automatic | Separation Type | 2-Phase Solid-Liquid Separation |
| Wear Protection | TC / Ceramic Optional | Polymer Dosing | Optional |
| MOC | SS304 / SS316L Optional | Product Name | Plastic Washing Slurry Decanter Centrifuge |
| Payment Terms | L/C,T/T,Western Union | Supply Ability | 100sets per month |
| Delivery Time | 60 days | Packaging Details | Standard wooden case |
| Application | Plastic Washing Slurry Dewatering | Control System | PLC Automatic Control |
| Discharge type | Horizontal sedimentation centrifuge | Brand Name | Peony |
| Model Number | PDC | Certification | ISO,CE, ISO |
| Place of Origin | China | ||
| High Light | Titanium Decanter Centrifuges ，Titanium Solid Liquid Centrifuges ，Decanter sedimentation centrifuge | ||
The Decanter Centrifuge for Plastic Washing Slurry Dewatering is designed for continuous separation of plastic fines, labels, fibers, dirt, sand, and sludge from plastic washing water.
It is suitable for PET, HDPE, PP, LDPE film, rigid plastic, mixed plastic, and recycling-wash-water treatment lines. The system thickens suspended solids, recovers reusable process water, and reduces the liquid load sent to downstream sludge handling or wastewater treatment.
The decanter is mainly used for plastic washing slurry, fines recovery, and wash-water clarification. For large plastic flakes or film, a squeeze dryer, centrifugal dryer, or mechanical dewatering machine is normally selected downstream or separately.
Peony provides the solid-liquid separation section for plastic washing lines, process-water recovery systems, and recycling wastewater treatment.
Plastic Washing / Friction Washing / Float-Sink Separation → Dirty Water Tank → Optional Polymer Dosing → Decanter Centrifuge → Thickened Sludge and Plastic Fines → Filter Press / Dryer / Disposal / Recovery
Clarified Liquid → Process Water Tank → Recycle to Washing, Pre-Rinsing, or Further Treatment
Peony can provide:
Wash water containing plastic fines, labels, fibers, dirt, and sludge enters the rotating bowl through a controlled feed pipe.
An agitated buffer tank is usually installed upstream to prevent settling and maintain stable feed conditions.
Inside the high-speed bowl, centrifugal force separates suspended solids from the liquid phase.
Heavier particles, sand, sludge, and plastic fines move outward and form a solids layer along the bowl wall.
The internal screw conveyor rotates at a controlled differential speed relative to the bowl.
It continuously transports settled solids toward the conical end for discharge.
The clarified liquid flows through the liquid outlet.
It can be returned to the washing line, stored as recycle water, sent to polishing filtration, or routed to wastewater treatment.
Thickened sludge, plastic fines, fibers, labels, and mineral contaminants are discharged continuously.
The discharged solids can be transferred to a filter press, container, dryer, disposal system, or further recovery stage.
| Model | Diameter (mm) | Length (mm) | Length-to-diameter rate | G force | Max solid discharge (m³/h) | Weight (kg) | Dimension (L*W*H) (mm) |
|---|---|---|---|---|---|---|---|
| PDC-10 | 250 | 1000 | 4 | 4080 | 0.4 | 1000 | 2410*800*1080 |
| PDC-12 | 4200 | 1350 | 4 | 3500 | 0.6 | 1200 | 2610*800*1080 |
| PDC-12 | 4200 | 1350 | 4.5 | 3180 | 1.2 | 1800 | 3495*840*1180 |
| PDC-18 | 4000 | 1600 | 4.5 | 3180 | 1.2 | 3200 | 3497*1020*1385 |
| PDC-18 | 450 | 2150 | 4 | 2500 | 2 | 3800 | 4447*1080*1385 |
| PDC-20 | 400 | 2250 | 4.5 | 2500 | 3.5 | 4000 | 4580*1140*1470 |
| PDC-21 | 530 | 2280 | 4.3 | 2500 | 5 | 5000 | 4924*1170*1540 |
| PDC-26 | 655 | 2800 | 4.3 | 2270 | 8 | 7000 | 4300*1900*1350 |
The decanter is suitable for fines, suspended plastic particles, sludge, labels, fibers, and mixed contaminants. Large flakes and film pieces should usually be screened or mechanically dewatered before entering the decanter.
Plastic washing slurry may contain sand, glass fines, or mineral particles. Wear protection is recommended when abrasive solids are present.
Polymer can improve recovery of fine suspended solids, but dosage should be tested to avoid excessive chemical use or negative effects on water recycle.
For direct reuse in sensitive washing stages, additional polishing filtration or treatment may be required after decanter separation.
The decanter provides continuous thickening and primary dewatering. A filter press or dryer may be added where lower final moisture is required.
The decanter centrifuge continuously recovers calcium carbonate solids from process slurry, reducing manual handling and batch operation.
The centrifuge can be configured for different calcium carbonate grades, including ground calcium carbonate, precipitated calcium carbonate, coating-grade material, and industrial filler products.
Bowl speed, differential speed, pond depth, and feed rate can be adjusted to balance throughput, solids recovery, liquid clarity, and discharged solids concentration.
Recovered liquid can be routed back to grinding, washing, slurry preparation, or other process-water reuse points when water quality allows.
For slurry containing silica, quartz sand, or abrasive mineral impurities, wear protection can be applied to the feed zone, scroll flights, bowl cone, and solids discharge section.
Please provide the following information for a suitable plastic washing slurry dewatering solution:
It is mainly designed for plastic washing slurry, fines, sludge, and process-water clarification. Larger plastic flakes and film are usually handled by squeeze dryers, centrifugal dryers, screens, or other mechanical dewatering equipment.
Yes. Clarified liquid can often be recycled to pre-washing or other process-water stages. Higher-quality reuse may require additional filtration or treatment.
Not always. It depends on fine-particle content, sludge characteristics, wash-water chemistry, and clarified-water requirements.
Yes, provided that slurry temperature, chemical composition, material compatibility, and sealing requirements are evaluated during equipment selection.
Yes. The decanter can continuously separate dense mineral contaminants, sludge, and suspended solids. Abrasion-resistant protection is recommended for high sand content.
Peony welcomes distributor and agent cooperation with plastic recycling companies, PET washing line suppliers, HDPE and PP recycling plants, film recycling companies, recycling equipment contractors, wastewater treatment companies, and industrial separation partners.
We support partners with slurry testing, decanter centrifuge selection, polymer dosing design, wear-resistant configuration, water-recycle integration, installation guidance, commissioning support, spare parts, and after-sales service.
Send us your plastic type, wash-water flow, solids concentration, contaminant composition, clarified-water target, chemical conditions, and downstream handling arrangement. Our engineering team will recommend a suitable decanter centrifuge solution for your plastic washing slurry dewatering process.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
35Million -40Million
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Basic Information Zhangjiagang City Peony Machinery Co., Ltd., founded as a special producing enterprise of separating equipment in 2008, is the well-known manufacturer and service provider of separation and filtration in China. Peony dedicated to solving the solid-liquid, liquid-liquid separation p... Basic Information Zhangjiagang City Peony Machinery Co., Ltd., founded as a special producing enterprise of separating equipment in 2008, is the well-known manufacturer and service provider of separation and filtration in China. Peony dedicated to solving the solid-liquid, liquid-liquid separation p...
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