Intermittent difficult-to-settle sludge treatment device

The utility model discloses an intermittent difficult-to-settle sludge treatment device which comprises a treatment tank and a water collecting tank arranged on one side of the treatment tank, a water decanter used for filtering out clear water is arranged in the treatment tank, and an intercepting structure used for intercepting floating objects on the water surface from entering the water decanter is arranged at the top end of the water decanter. The top end of the water decanter is provided with an intercepting structure, the intercepting structure comprises an intercepting net, the outer wall of the intercepting net is provided with a fixing piece used for quickly disassembling and assembling the intercepting net, the treatment pond is internally provided with a stirring structure used for accelerating reaction, and the top end of the treatment pond is provided with a collecting structure used for collecting generated gas. According to the water decanter, the intercepting net arranged in the water decante