Answer: The cyclone separator is an inertial separator, which is mostly used for gas-solid separation. After the compressed air enters the separator along the tangent direction of the cylinder wall, it rotates inside, and the water droplets mixed in the gas also rotate and generate centrifugal force. The centrifugal force generated by the water droplets with large mass is large. Under the action of centrifugal force, the large water droplets move to the outer wall, and after hitting the outer wall (also the baffle), they gather and grow and separate from the gas, while the water droplets with smaller particle size migrate to the central axis in a negative pressure state under the action of gas pressure. Manufacturers often add spiral baffles inside the cyclone separator to enhance the separation effect (and also increase the pressure drop). However, due to the existence of the negative pressure zone in the center of the rotating airflow, the fine water droplets with less centrifugal force are easily sucked into the precooler by the negative pressure, causing the dew point to rise.
Due to the complex structure and large size, the "cyclone separator" without spiral baffle is not widely used in cold dryers.
