Aquaculture system with prevent escaping cover

The utility model discloses an aquaculture system with prevent escaping cover, including breeding pond, drain, blow off pipe, breeding bottom of the pool portion and establishing the drain, the blowdown pipe is connected to the drain, and its characterized in that still includes and prevents escaping the cover, prevent that it is located drain top to escape the cover, will prevent escaping the cover in the time of not blowdown and mention, the especially sick shrimp of filth of being convenient for, the large -scale filths such as shrimp, shrimp shell of dying will be prevented escaping the cover through the fixed pulley during blowdown and fall down in assembling and preventing escaping the cover, prevent that the bolting -silk net of escaping the cover neither hinders the filth through preventing that it discharges to escape the cover, effectively prevents the live body to breed the product again and discharges from the drain, the limit for height support had not only been injectd and has been prevented esc