The Cowater drum filter is a fully automatic core water treatment device for recirculating aquaculture systems and breeding ponds. With high filtration accuracy, low energy consumption and unattended operation, it is essential for modern intensive and eco-friendly fishery breeding, serving as the primary mechanical filtration barrier for aquaculture water.
Working Principle
The filter operates via physical interception and automatic self-cleaning circulation. Breeding water carrying feces, residual feed and sediments flows into the rotating drum, where a precision stainless steel mesh intercepts solid impurities while allowing clean water to pass through. Gradual mesh blockage raises the internal water level and triggers the water level sensor. The system then activates drum rotation and high-pressure backwashing to scour dirt, which is discharged through the sewage pipeline. After cleaning, the device resets to continuous filtration mode.
Core Functions
It efficiently removes suspended solids to maintain clear water quality, inhibits harmful substance decomposition and bacterial breeding, and reduces aquaculture diseases. The equipment supports water recycling, saves water resources and breeding costs, and lowers manual maintenance workload. Meanwhile, it effectively prevents blockage of follow-up water treatment devices, reducing equipment wear and failure rate.
Operation Precautions
Daily pre-operation inspection of the screen, sensors and pipelines is required. The device must run within rated water pressure and flow limits to avoid screen damage. Regular cleaning of nozzles and dirt troughs ensures stable performance. All maintenance must be conducted with power cut off. Anti-freezing measures are needed in cold seasons, and parameter calibration should be done regularly to guarantee accurate and efficient operation.
Conclusion
As a reliable automatic filtration device, the Cowater drum filter solves the defects of traditional filtration equipment, stabilizes breeding water quality, and boosts the sustainable development of modern aquaculture.









