Non-stop air filter replacement structure of high-speed centrifugal fan

The utility model discloses a high-speed centrifugal fan non-stop air filter replacing structure which comprises a connecting flange, a connecting pipe, a filter box and a filter element replacing structure, the connecting pipe is arranged on the connecting flange, the filter box is arranged on the connecting pipe, the filter element replacing structure is arranged on the filter box, and the filter element replacing structure is arranged on the filter box. The filter element replacing structure comprises an air inlet hole, a replacing groove, a fixing seat, a filter element, a blocking groove, a blocking plate and a blocking block, the air inlet hole is formed in the filter box, the replacing groove is formed in the filter box, the fixing seat is arranged in the replacing groove in a sliding drawing and inserting mode, the filter element is detachably arranged on the fixing seat, and the blocking groove is formed in the filter box. The utility model belongs to the technical field of air filter replacing equip