Single-tier drying section tailored for compensating stretching

Details Single-tier drying section tailored for compensating stretching Single-tier drying section tailored for compensating stretching

1997-01-27

1999-01-26

Bennett, Henry

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

D21F 500

Patent

active

058626077

ABSTRACT:
A drying section for a paper making machine includes a larger number of dryer sections, fewer dryers in each dryer section, and provisions for driving many of the dryers individually. The average number of dryers per dryer section is less than five and preferably less than four. By providing a small number of dryers per dryer section and driving many of the dryers individually, it is possible to more precisely compensate for stretching of the paper web in the initial stages of the drying process and to more precisely compensate for shrinkage of the paper web during the latter stages of the drying process.

REFERENCES:
patent: 4495712 (1985-01-01), Justus
patent: 4875976 (1989-10-01), Wedel
patent: 5311672 (1994-05-01), Kotitschke et al.

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