dandy roll 1 on a level above the center line of the dandy roll 1 for scraping away fluid from the dandy roll 1 the doctor blade 9 is attached to a support which is fastened to the dandy roll means the direction of the doctor blade 9 and the distance to the envelope surface of the dandy roll 1 are adjustable for a maximum effect the water can flow from both the underside and the upper side of the doctor blade 9 the doctor blade 9 extends over the whole length of the dandy roll 1 and is positioned under a cover 11 when this is fold down it is even possible to have a plurality of doctor blades 9 positioned at different heights a cover 11 is positioned above the roll 3 and acts as a shielding device for collecting and conveying down splashwater from the dandy roll 1 to the roll 3 the cover 11 consists of a wall at each end of the dandy roll 1 and a wall in parallell with the dandy roll 1 whereby said wall is joined with the other two walls at the ends of the dandy roll 1 the wall of the cover 11 in parallell with the dandy roll 1 is positioned aligned with or substantially aligned with the outer circumference of.