Carbon granule collecting device for biological activated carbon pool

The utility model relates to the technical field of carbon granule collection, and provides a carbon granule collection device for a biological activated carbon tank, which is convenient for collecting and taking out carbon granules in the biological activated carbon tank and timely replacing the carbon granules in the biological activated carbon tank, and comprises a collection frame and a tank body, a first filter screen is fixedly connected to the sliding frame, a driving sliding assembly is arranged on the pool body, a sliding rod is connected to the pool body in a sliding mode, the sliding rod is sleeved with a sliding plate in a sliding mode, a moving frame is fixedly connected to the sliding plate, a second filter screen is fixedly connected to the moving frame, a driving moving assembly is arranged on the moving frame, and a fixing plate is fixedly connected to the sliding frame. The collecting frame is slidably connected to the fixing plate, a limiting assembly is arranged between the collecting fram