Slurry circulating pump inlet filter screen

The utility model relates to the technical field of filter screens, and discloses a slurry circulating pump inlet filter screen which comprises a circulating pump body, a pump inlet of the circulating pump body is fixedly connected with a slurry inlet pipe through a flange, the outer side of the slurry inlet pipe is fixedly connected with a threaded sleeve, and the outer side of the threaded sleeve is in threaded connection with a connecting filter shell. A filter screen body is fixedly connected to the inner side of the connecting filter shell, a limiting frame is fixedly connected to the left end of the connecting filter shell, a limiting assembly is fixedly connected to the inner side of the limiting frame, a moving block is fixedly connected to the outer side of the limiting assembly, and an elastic assembly is arranged on the inner side of the moving block; the outer side of the elastic assembly is fixedly connected with a protruding rod. The inlet filter screen of the slurry circulating pump has the adv