Rubber inflatable automatic cleaning device for circular floating net cage

This paper presents a rubber inflatable automatic cleaning device for circular floating net cage, which consists of a ringshaped cavity made of rubber. The inner part of the ring-shaped cavity is divided into an outer cavity, an inner cavity and a weighting cavity. The outer side of the outer cavity is planted with bristles, the inner part of the weighting cavity is filled with weighting iron sand, and the inner and outer cavities are provided with charging and discharging pipes. When it is connected with the net cage, it is evenly distributed through a plurality of lifting ropes. The device is installed inside the net cage, and the device floats or sinks by inflating or exhausting the inner and outer cavities, and the bristles on the annular cavity and the nets are scraped, so as to achieve the effect of automatic cleaning. The device can clean the nets periodically upward and downward by inflating or exhausting the outer cavity and the inner cavity. The operation is simple and the cleaning parts are comprehensive. It can clean the net cage by means of high frequency and short single time, and the labour time is less. When it is not working, the device sinks at the bottom of the net cage to play the role of supporting ring at the bottom of the net.