The Centrifugal Sludge Dewatering system is a horizontal decanter centrifuge for municipal and industrial wastewater sludge. It provides mechanical separation of water from sludge solids before subsequent sludge handling, transport, disposal, or downstream treatment.
Working Principle

Sludge enters the rotating bowl, where centrifugal force separates solids from liquid. The screw conveyor moves the settled solids toward the discharge end while the liquid exits through the liquid outlet.
Main Configuration
The high-speed bowl generates the centrifugal force for solid-liquid separation, affecting cake dryness, liquid clarity, and throughput.
The precision screw conveyor continuously conveys separated solids to the discharge outlet, reducing slippage and clogging for more stable operation.
The high-torque differential gearbox maintains controlled screw speed under high solids loading, supporting stable solids discharge and throughput.
The dual-motor variable-frequency drive independently adjusts bowl and differential speeds, allowing the centrifuge to respond to changes in sludge concentration and dewatering requirements.
Technical Specifications
| Parameter | Specification |
|---|---|
| Equipment Type | Horizontal Decanter Centrifuge |
| Application | Municipal & Industrial Sludge Dewatering |
| Capacity | 10–100 m³/h |
| Typical Cake Moisture | 75–85% |
| Bowl Diameter | 250–800 mm |
| Bowl Length | Configuration-dependent |
| L/D Ratio | 3.0–4.0 |
| Max. Bowl Speed | 1,800–4,500 rpm |
| Separation Factor | 1,400–3,000 × g |
| Differential Speed | 5–30 rpm |
| Main Drive | Variable-Frequency Drive |
| Differential Drive | High-Torque Gearbox |
| Drive Configuration | Dual-Motor VFD Control |
| Control System | PLC / Inverter |
| Solids Discharge | Continuous |
| Operation | Automatic Continuous |
Delivery and Service
Before shipment, the centrifuge is secured against movement and impact. Exposed electrical components, instruments, and connection points are protected against moisture, dust, and collision. Rotating and precision components are secured for transport, while accessories and tools are packed separately.
Each shipment includes operating instructions, inspection documents, product certificates, accessories, and tools. Yuanrong supports delivery and unloading at the designated location, followed by commissioning and operator training covering operation, safety, maintenance, and basic fault diagnosis.
The centrifuge has a one-year warranty from qualified commissioning. Product quality issues receive an initial response within 2 hours. Technical service and spare-parts support remain available after the warranty period.

FAQ
1. What is the typical lead time for a centrifuge?
The lead time is confirmed according to the selected equipment configuration, order quantity, and production schedule. The confirmed delivery date is stated in the quotation or purchase order.
2. What information is required to confirm the delivery date?
The equipment model, quantity, technical specification, supply scope, destination, and required delivery date should be confirmed before order acceptance.
3. Can the delivery schedule be confirmed before placing the order?
Yes. Yuanrong confirms the production and delivery schedule during quotation and order review, with the agreed date recorded in the final commercial documents.
4. What is included with the centrifuge shipment?
The agreed equipment, operating instructions, inspection documents, product certificates, accessories, and tools are supplied according to the confirmed supply scope.
5. Can Yuanrong support installation and commissioning?
Yes. After installation, Yuanrong provides commissioning support and verifies equipment operation. Operator training covers operation, safety, routine maintenance, and basic fault diagnosis.
6. What after-sales support is provided?
The centrifuge has a one-year warranty from qualified commissioning. Product quality issues receive an initial response within 2 hours. Technical service and spare-parts support remain available after the warranty period.
7. Can the centrifuge replace an existing machine?
Yes. The existing equipment model, technical specification, installation dimensions, process connections, and operating conditions should be provided for replacement assessment before the new configuration is confirmed.
8. Can customer-specified components or electrical brands be included?
Specified brands, electrical standards, interfaces, and other configuration requirements are confirmed during technical review and recorded in the approved specification.
9. What documents are provided for export orders?
The shipment includes the agreed operating instructions, inspection documents, product certificates, and other documents specified in the supply scope. Export shipping and customs requirements are confirmed before shipment.
10. How are repeat orders and spare-parts requirements handled?
Previous equipment models, approved specifications, drawings, purchase records, inspection documents, and spare-parts records provide the reference for repeat orders and future parts supply.
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