The screen drying, drying section of a paper machine equipped with the latest, and use of the screen drying in the dryer section

摘要

The screen drying, drying section of a paper machine equipped with the latest, and use of the screen drying in the dryer section.The invention relates to a screen of the drying of paper machines having a cloth composed of yarn of fabric (2, 5, 7, 10, 12, 15, 22, 25, 27, 30, 32, 39), which has on one side of the paper and one side of the machine, each a have contact points and contact surfaces (16, 17; 40.41) formed by yarns of the fabric (2, 5, 7, 10, 12, 15, 22, 25, 27, 30, 32, 39) which respectively are added to form a contact surface on the side of the paper and the total on the machine side with a part of the contact surface on the total area,An index of the fineness of the fabric to the side of the machine (FFI - MS) and an index of the fineness of the fabric to the side of the paper (FFI - PS) being able to calculate from the part of contact surface, the number of points of contact and the thickness of the fabric of the fabric drying according to the following f u00f3rmula: FFI = and the reason of FFI - MS for IFF the being at least 1.25: 1.Preferably at least 1.5: 1