Patent ID: 6036818
Filing Date: 2000-03-14
Classification: B30B,D21C

Abstract:
Pulp-dewatering apparatus comprising a pair of press rolls rotatably mounted adjacent to each other in order to provide a nip region therebetween, a rotatable pulp disintegrating screw rotatably disposed above said nip region, whereby pulp fed through said nip region is directed towards said pulp disintegrating screw to be further disintegrated and transported thereby, a first doctor bar associated with one of said pair of press rolls, a second doctor bar associated with the other of said pair of press rolls, said first doctor bar including a first doctor blade for removing pulp from the surface of said one of said pair of press rolls, and said second doctor bar including a second doctor blade for removing pulp from the surface of the other of said pair of press rolls, one of said first and second doctor blades being disposed adjacent to said nip region below said pulp disintegrating screw whereby the space between said pair of press rolls and said pulp disintegrating screw in which a pulp cake can form is substantially reduced.