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working principle
The rotary drum type precision filter is composed of equipment structure module, filter module, drive system, backwash system and automatic control system.
After the sewage enters the equipment, the automatic control system starts the driving system to drive the drum to rotate, and simultaneously starts the backwashing system. Under the action of gravity, the sewage flows out from the drum to the outside of the drum, and the suspended matter in the water is trapped in the drum by the filter screen. The drum rotates slowly, and the backwash pump draws the filtered water to backwash the filter screen. The washed dirt falls into the collection tank inside the drum and is discharged to the outside of the equipment through the sewage pipe.
When the sewage enters the equipment, the drive system and the backwash system run continuously without interruption.
Equipment structure module
The equipment structure module is composed of the equipment body and the drum, and is made of 304L stainless steel (316L optional).
filter module
The filter module is composed of several independent and detachable filter screens. The filter screen is made of 316L stainless steel wire with a diameter of micron level through a special process (different precision filters are selected according to the water quality of the influent).
Drive System
The drive system consists of a geared motor, a transmission shaft, and a central bearing.
Backwash system
The backwashing system consists of a backwashing pump (you can choose a domestic high-quality brand or an imported brand), a pipeline, a backwashing water filter, a nozzle, a collection tank, and a sewage pipe.
Control System
The equipment adopts PLC automatic control system. The PLC control system (Siemens) is installed in the electrical control cabinet and can communicate with the central control room in the factory.