RECIRCULATING DRUM FILTER Russian patent published in 1998 - IPC

FIELD: filters for cleaning air from vapors, aerosols, liquid and solid particles; cleaning of gases and ventilation effluents in different industries, for example, in electroplating bays. SUBSTANCE: filter drum is provided with inner blades and with highly efficient sealing tension of sealing material. Reliable sealing of air passage with the aid of above-mentioned devices excludes passage of non-cleaned air through filter; availability of blades in drum creates additional separating centrifugal flow and ensures effective washing of filter material of drum, thus considerably increasing filter service life and facilitating its operation. EFFECT: increased service life of filter and facilitated operation. 2 dwg