Press arrangement

摘要

The invention relates to a press arrangement for dewatering a paper or cardboard web (1) with a weight per unit area between 60 and 250 g / m 2 and consisting of four press rolls (2, 3, 4, 5) for forming at a machine speed of up to 1800 m / min of three press nips through which the web (1) runs together with at least one endlessly circulating, water-absorbing drainage belt (6, 7, 9) .High dry contents with safe web guidance and the lowest possible costs are made possible by the fact that the first and the third press nip are each extended by the interaction of a shoe press roll (2,5) with a cylindrical press roll (3,4) and the first shoe press roll (2) below and the second shoe press roll (5) above the web ( 1) is arranged.