| 摘要 |
FIELD: filtering arrangements. SUBSTANCE: invention is related to a method and device for purifying filtering member by the aid of ultrasound in the case of essentially long duration of its operation. Ultrasonic beams emitted by at least one ultrasonic generator focus in close proximity to filtering surface of filtering member, preferably, on the surface itself to create at least one zone of ultrasonic beam focusing. EFFECT: enhanced filtration procedure. |
