The utility model provides a vertical filtering device which comprises a supporting frame and a filtering cylinder arranged on the supporting frame, an interlayer filtering net frame is concentrically arranged in the filtering cylinder, filtering cloth is arranged in the interlayer filtering net frame, a pressing ring is horizontally arranged on the top of the interlayer filtering net frame, and the periphery of the pressing ring is tightly attached to the inner wall of the filtering cylinder. A pressing mechanism capable of extruding the interior of the interlayer filter screen frame is arranged at the top of the filter
cartridge, a feeding hopper is arranged on one side of the top of the filter
cartridge, the discharging end of the feeding hopper is located above the interlayer filter screen frame, a residue discharging valve is arranged at the bottom end of the filter
cartridge, and one side of the lower portion of the filter cartridge is communicated with a liquid discharging
pipe; the device is simple in structural design, filtering parts are convenient to replace, the filtering efficiency can be improved, the filtering precision can be guaranteed, and deslagging is convenient.