Air inlet air filter of air compressor for cement production

The utility model relates to the technical field of air compressors, in particular to an air inlet air filter of an air compressor for cement production. According to the technical scheme, the device comprises a threaded rod, a round cover, a round shell and a first round block, a second round groove is formed in the round cover, the upper end of the outer wall of the round shell extends into the second round groove to be in threaded connection, a first round groove is formed in the round shell, a filter screen is fixed to the first round block, a second round block is fixed to the top end of the filter screen, and a third round hole is formed in the second round block; the first round block extends into the first round groove, the second round block extends into the first round groove, the second round block is in threaded connection with the upper end of the inner wall of the first round groove, a threaded hole is formed in the round cover, the bottom end of the threaded rod penetrates through the threaded