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The Central Drive Sludge Scraper is designed for circular sedimentation and thickening tanks to collect and discharge settled sludge from the tank bottom. Driven by a central gearbox, the scraper arms rotate slowly, pushing sludge toward the central hopper for discharge, while optional skimmers remove surface scum. It features simple structure, reliable operation, and easy maintenance, making it ideal for municipal and industrial wastewater treatment plants.
Working Principle
Wastewater enters through the central feed pipe and distributes evenly within the circular tank. Under gravity, solids settle at the bottom. The central drive mechanism rotates scraper arms slowly, directing sludge toward the center hopper for discharge by gravity or suction. Surface scum is collected by the scum skimmer and discharged via the scum trough. The system supports automatic operation and overload protection.
Main Components
Central Drive Unit: Gear reducer and shaft assembly driving scraper rotation.
Scraper Arm & Blades: Radially arranged arms directing sludge to center.
Central Bearing Support: Ensures smooth rotation and torque stability.
Sludge Hopper & Discharge Pipe: Collects and removes sludge.
Scum Skimmer (Optional): Removes floating scum from surface.
Bridge or Platform: Supports drive unit and provides access.
Control System: PLC control with overload protection.
Features
Simple structure and reliable operation
Torque overload protection for safety
Suitable for large and medium circular tanks
Lightweight, corrosion-resistant scraper arms
Optional scum removal for combined operation
Fully automatic and remote monitoring available
Applications
Secondary and primary clarifiers in municipal WWTPs
Industrial wastewater settling or thickening tanks
Corrosion protection: epoxy coating, galvanizing, or stainless steel
Smart monitoring: remote data and performance tracking
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2006
Total Annual:
70200000-140400000
Employee Number:
1000~2000
Ecer Certification：
Verified Supplier
Jiangsu Sanhe Environmental Protection Group Co., Ltd., formerly Jiangsu Sanhe Environmental Protection Equipment Co., Ltd., is located on the scenic shores of Lake Taihu. It is a renowned manufacturer and developer of modern environmental protection and water treatment equipment... Jiangsu Sanhe Environmental Protection Group Co., Ltd., formerly Jiangsu Sanhe Environmental Protection Equipment Co., Ltd., is located on the scenic shores of Lake Taihu. It is a renowned manufacturer and developer of modern environmental protection and water treatment equipment...
