Carrier filter

The utility model discloses a carrier filter which comprises a shell, a suspended carrier bed, a sludge buffer area and a sludge layer, a water distribution system is arranged in the sludge layer, thewater distribution system is connected with one end of a water inlet pipe, and the other end of the water inlet pipe extends out of the shell; the sludge buffer area is arranged between the sludge layer and the suspended carrier bed, the suspended carrier bed and the sludge buffer area are separated through a supporting screen, and an effluent intercepting screen is further arranged above the suspended carrier bed and further communicated with the water collecting tank; and the water collecting tank is positioned above the suspended carrier bed and is communicated with the shell. The utilitymodel has the beneficial effects that the device has the functions of efficiently integrating precipitation and filtration, has the advantages of high solid-liquid separation efficiency, high processintegration degree, good wa