Cold - drying machine, filter
A freeze-dryer is a freeze-dryer. It has refrigeration function.
After the pre - treatment of compressed air into the cooler to cool, compressed air in part of the vapor liquefaction is removed, so that the compressed air more dry.
The purpose of a cold dryer is to dry compressed air.
The compressed air passes through the filter element of the filter, and some solid particles are blocked by the filter element, thus reducing the content of solid particles in the compressed air. Some water mist is also collected and removed as it passes through the filter.
The main function of a filter is to remove solids from compressed air.