Patent · US Active

Control of an expanded drying section of a paper machine

US8849443B2 · kind B2 · utility

3Cited by

5References

20Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Edgar Fries · Fairview Avenue, DE
Johannes Reinschke · Koblenzer Straße, DE
Albrecht Sieber · Möhrendorf, DE
Friedrich Speth · Herzogenaurach, DE

Key dates

Filing date	Jan 14, 2010
Grant date	Sep 30, 2014
Priority date	—
Expiry date	Feb 9, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P80/15
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

In order to achieve an improved or optimized operation mode of an “expanded drying section” of a paper machine—having the “actual” drying section, separated, if applicable, into pre-drying and post-drying sections with a size press located therebetween, a steam and condensate system, an exhaust air heat recovery system, a wet press and the white water—a model that includes the above system components is proposed, with which mass and energy balances for the system components as well as the specific energy consumption of the drying section are calculated, based on values for parameters relevant for the drying process.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.