CARTRIDGE FILTER Russian patent published in 1998 - IPC

FIELD: cartridge filters used in various industries. SUBSTANCE: proposed cartridge filter has base with supply and discharge branch pipes, detachable cylindrical housing with lower and upper partitions where main filter elements and additional filter elements are mounted. Lower partition is located between base and cylindrical detachable housing and is provided with intermediate branch pipe which is coaxial relative to supply branch pipe; this branch pipe is used to connect lower partition with upper one where additional filter elements are mounted. Upper partition is located between cylindrical detachable housing and upper detachable cover. Filter elements are made in form of thick-walled cylinders manufactured from polymer microfibers laid in layers with pores reducing radially from periphery to center. EFFECT: enhanced efficiency. 3 cl, 1 dwg