Pipeline filtering device

The utility model discloses a pipeline filtering device, which comprises a bracket, pipe shells, a water inlet, filter elements, a water outlet, filter screens, stop plates, flanges, gaskets and switching valves. The pipe shells are mounted on the bracket; one end of the water inlet is provided with two pipelines which are respectively mounted at one ends of two pipe shells; one end of the water outlet is provided with two pipelines which are respectively mounted at the upper arc tops of the two pipe shells; the pipelines of the water inlet and the water outlet are respectively provided with the switching valves; the filter elements are mounted in the pipe shells; the filter screens respectively wrap one sections of the outsides of the filter elements; the stop plates are mounted at the tail parts of the filter elements; the stop plates are fixedly connected with the flanges at the bottom of the pipe shells through screws; and the gaskets are arranged between the stop plates and the flanges. The pipeline filt