Pressurized filtration thickener

The invention discloses a pressurized filtration thickener, which comprises a thickener pool body, a bridge frame, a hydraulic driving device, a fixed cylinder and an overflow weir, wherein the overflow weir of an integrated structure is arranged below the top opening end of the thickener pool body, a supporting frame is arranged below the overflow weir, and a flow equalizing partition plate is installed on the supporting frame; the outer peripheral end of the flow equalizing partition plate is in abutting sealing connection with the inner wall of the thickener pool body, the inner peripheralend of the flow equalizing partition plate is in abutting sealing connection with the cylinder wall of the fixing cylinder, a plurality of discharging holes are evenly formed in the flow equalizing partition plate, and filters are arranged at the positions of the discharging holes which are evenly distributed respectively. And the filter is fixedly arranged on the top end surface of the flow equalizing partition plate. By