Drainage device for rice and shrimp culture

The utility model discloses a drainage device for rice and shrimp culture, which belongs to the technical field of rice and shrimp culture and comprises a drainage plate wall, a stainless steel filtergrid is fixedly mounted at the upper end in the drainage plate wall, a filter screen is fixedly mounted at the lower end of the stainless steel filter grid, and the filter screen is fixedly mounted in the drainage plate wall through a filter screen mounting fence. And a fixed fence is fixedly mounted at the lower end in the wall of the drainage plate, and a main sludge rotating device and an auxiliary sludge rotating device are fixedly mounted on the fixed fence. The water drainage device is novel in design, convenient to operate and good in using effect, the water drainage device can be installed conveniently, the installation firmness of the water drainage device is improved, the water drainage device is not prone to being damaged, a double-filtering system is adopted, lobsters and injurious insects can be filt