Assembly type filtering structure for paperboard fine filter

The utility model discloses an assembly type filter structure for a paperboard fine filter, which comprises a filter frame arranged in a pressure filter cylinder, an oil outlet pipe is vertically arranged in the middle of the pressure filter cylinder, a plurality of oil outlet holes are uniformly distributed on the oil outlet pipe, the filter frame is inserted on the oil outlet pipe, and the oil outlet pipe is connected with the filter frame. A plurality of layers of filtering assemblies are placed at the bottom of the filtering frame. The novel filter assembly is adopted, the plastic frame, the filter paper and the filter screen frame are sequentially and spirally stacked together, so that filter layers are formed, according to the filter structure, each structural unit is independently assembled, a worker can independently replace parts, the whole disassembly and assembly work is very convenient to operate, and the work efficiency is greatly improved. Compared with the conventional cleaning work, the cleani