The main body of the device is a cylindrical pipeline, equipped with a strong discharge outlet at the bottom and a surface overflow outlet at the top. The surface overflow outlet can effectively remove surface water contaminants, expelling pollutants floating on the surface of the fish pond. Additionally, the top surface overflow outlet is fitted with an escape prevention device, which ensures the removal of contaminants while preventing aquatic organisms from escaping the fish pond.

The bottom of the device features a strong discharge outlet, which is equipped with a permeable gate. When the gate is closed, it can still allow for a slight discharge of bottom water.

this gate can also facilitate the collection of bottom sediments. When the amount of collected pollutants reaches the discharge standard, the device’s built-in motor controller can be used to open the bottom gate. This takes advantage of the instantaneous difference in water level to quickly expel the collected pollutants, enabling the swift removal of bottom contaminants.
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Additionally, the device can be custom-designed based on the size of the bottom drainage and surface water height of different aquaculture ponds. It efficiently addresses the surface overflow renovation of traditional fish ponds, avoiding the leakage issues caused by side drilling modifications. Furthermore, it can also be applied to newly constructed fish ponds of various types, enhancing the efficiency of waste disposal.

What’s even more remarkable is that this device has a low overall cost, significantly reducing the renovation expenses for fish pond waste disposal, offering excellent value for money!

RAS Recirculating aquaculture system
Recirculating Aquaculture System (RAS) series of treatment processes is utilized to maintain water quality in intensive fish farming operations. These steps of Recirculating Aquaculture System (RAS) are often done in order or sometimes in tandem.
After leaving the vessel holding fish the water is first treated for solids before entering a biofilter to convert ammonia, next degassing and oxygenation occur, often followed by heating/cooling and sterilization. Each of these processes can be completed by using a variety of different methods and equipment, but regardless all must take place to ensure a healthy environment that maximizes fish growth and health.

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