Patent ID: 11926963
Assignee: VOITH PATENT GMBH
Field: Measurement (Instruments)
Classification: CPC D  G | IPC D  G

Claim 0:
1. A method for determining the dryness of a fibrous web or a tissue web during the production of the fibrous web in a machine, the method comprising the following steps:
providing a machine including a drying cylinder or Yankee cylinder, at least one dryer hood associated with the drying cylinder, and a reel-up for winding up the fibrous web; and
determining the dryness of the fibrous web before the drying cylinder based on measured values describing the following variables:
a) an amount of solids in the fibrous web at the reel-up;
b) an amount of water in the fibrous web at the reel-up; and
c) an amount of water evaporated in the at least one dryer hood.