Metso Paper Inc.

Valmet Technologies, Inc.

Riikka Antikainen

Michael H Odell

Kari Juppi

Antti Komulainen

Petter Honkalampi

Martti Salminen

Markku Lummila

Sami Anttilainen

Hannu Turpeinen

Jussi Vasara

Martti J Salminen

An arrangement and method for improving runnability, and dryer section length, by using a vertical impingement dryer before a first dryer cylinder of a group of dryer cylinders. After a pressing section, the web is dried with a pre-impingement dryer, closely followed by a vertical impingement dryer, which is closely following by the first dryer cylinder. The pre-impingement dryer and vertical impingement dryer of the first dryer cylinder to have a drying temperature of approximately 80&#xb0; C. with no undesirable sticking to the dryer cylinder. The pre-impingement dryer can be arranged to dry a first side of the web, and a vertical impingement dryer after the first dryer cylinder is arranged to dry a second side of the web. The impingement drying takes place directly against the web without an intervening fabric.

Arrangement in a paper machine

Growing community of inventors

Muurame, Finland

Riikka Antikainen