Multipurpose combined fine filter

The invention discloses a multipurpose combined fine filter which comprises a rack, a driving unit, a prefilter and a main filter, the driving unit, the prefilter and the main filter are arranged on the rack, and the driving unit conveys a medium to sequentially pass through the prefilter and the main filter; the main filter comprises a main filter shell and a main filter element, the main filter element is arranged in the main filter shell, the main filter element is of a multi-layer nested composite structure and comprises a supporting net rack and a filling layer, and the filling layer is filled with all-carbon composite particle powder and dehumidification particles. The multipurpose combined fine filter disclosed by the invention can be used for respectively filtering and removing impurities from two media, namely air and a liquid dry cleaning solvent, and can be used for dehumidifying, decoloring and deodorizing. 本发明公开了一种多用途组合精过滤器，包括机架和设置在所述机架上的驱动单元、前置过滤器和主过滤器，所述驱动单元输送介质依次通过所述前置过滤器和主过滤器；所述主过滤器包括主过滤器壳体和主