| 摘要 |
PURPOSE: A method and apparatus are provided for cleaning the filter surface of the filter medium in a suction drier, advantageously by ultrasound in an essentially continuous operation. CONSTITUTION: A method for cleaning the filter surface(2,3) of the filter medium in a suction drier, is characterized in that in order to mark the surface to be cleaned, in contact with the surface there is arranged a sealing surface(4) that forms an essentially closed space for the surface to be cleaned, and that into this closed space there is conducted cleaning liquid(7) in order to carry out the cleaning.
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