Product Overview
The Sludge Thickening Centrifuge is a horizontal decanter centrifuge for concentrating dilute sludge before dewatering or anaerobic digestion. It is intended for feed sludge with solids concentrations of approximately 0.5%–1%.
Sludge Thickening Applications
Municipal Wastewater: Waste activated sludge (WAS) concentration before anaerobic digestion.
Food and Beverage: Organic sludge concentration before mechanical dewatering.
Paper and Pulp: Fiber-containing sludge concentration before downstream solids handling.
Chemical Processing: Industrial slurry pre-concentration before mechanical dewatering.
Machine Configuration
The centrifuge consists of a high-speed bowl, precision screw conveyor, differential gearbox, dual-frequency drive, and PLC control system.
High-Speed Bowl: Centrifugal separation chamber for dilute sludge.
Screw Conveyor: Continuous transport of concentrated solids to the discharge outlet.
Differential Gearbox: Controls the speed difference between bowl and screw for solids discharge.
Dual-Frequency Drive: Independent, stepless control of bowl speed and differential speed.
Screw Structure: Reduces material slippage during biological sludge conveying.
PLC Control: Monitors and controls the main operating parameters.
FAQ
1. What should be included in the purchase order?
Specify the equipment configuration, material grade, electrical standard, process connections, accessories, documents, and supply scope.
2. How is a replacement project evaluated?
Provide the existing model, nameplate data, drawings, connections, sludge data, and operating records.
3. Is a complete skid package available?
The skid package includes the centrifuge, feed pumps, and polymer dosing equipment.
4. How are changes handled after quotation?
Changes to capacity, materials, electrical requirements, installation, controls, or accessories are recorded in the revised specification before order confirmation.
5. How is the export supply scope confirmed?
The quotation and purchase order list equipment, accessories, documents, tools, and shipping requirements separately.
6. What site information is required before shipment?
Provide the installation location, lifting access, feed and discharge connections, electrical supply, drainage, and installation access.
7. How are spare parts specified?
Spare parts are listed by equipment configuration and component, with required site-stock quantities confirmed in the order.
8. How are repeat orders controlled?
Previous approved specifications, drawings, configurations, and inspection records are used as the reference for repeat orders.
9. How are specification changes handled during production?
Changes affecting equipment, materials, electrical components, or connections are reviewed and documented before implementation.
10. What after-sales support is included?
Commissioning and operator training cover operation, safety, maintenance, and basic fault diagnosis. The warranty is one year from qualified commissioning, with an initial response within 2 hours for product quality issues.
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