Method in the drying of a paper web as well as dryer sections of a paper machine

Abstract From the Canadian patent

The invention concerns a method and a device in the drying of a paper web (W), wherein, after the press section (20) of the paper machine, the paper web (W) is dried in a number of successive groups (R1...R N;R S) with single-wire draw, in which groups the contact-drying cylinders (10) are placed in the upper row and the reversing suction cylinders (11) or the equivalent suction rolls in the lower row or in equivalent diagonal or vertical rows. From the side of its lower face, across the entire length of the dryer section, the paper web (W) is dried by means of contact-drying cylinders (10). The paper web (W) is passed as a closed draw from one group (R1...R N; R S) with single-wire draw …