Method for washing material wound on a perforated beam

摘要

The invention relates to a method and to apparatus for washing material wound on a beam, in which from the time at which a specific degree of cleanness has been reached in the central region of the roll length until the end of the washing process the proportion of the washing fluid coming out of the central region of the roll length is returned directly to the beam. In this way water and energy can be saved on a considerable scale.