Energy-saving type cement clinker preparation fan based on frequency conversion control

The utility model relates to the technical field of fans, in particular to an energy-saving type cement clinker preparation fan based on frequency conversion control, which comprises a fixing plate and a filter screen, a rubber sleeve is mounted at the top of the fixing plate, a thin rubber plate and a thin steel plate are mounted in the rubber sleeve, a bottom plate is mounted at the top of the rubber sleeve, and the filter screen is mounted on the bottom plate. The frequency conversion fan body is installed at the top of the bottom plate, the air suction pipe is installed on one side of the frequency conversion fan body in an embedded mode, the second shell is installed at the end, away from the frequency conversion fan body, of the air suction pipe, an insertion hole is formed in the top of the second shell, and the filter screen is inserted into the second shell through the insertion hole. An air outlet pipe is embedded in the side, away from the air suction pipe, of the frequency conversion fan body, and