Patent ID: 6869506
Filing Date: 2005-03-22
Classification: D21F

Abstract:
1. An apparatus for decreasing heat emission and enhancing a vacuum system in a papermaking machine, said apparatus comprising: a drying device comprising a Yankee dryer having a hood associated therewith, the Yankee dryer being configured to dry a paper web, the Yankee hood having an air inlet for receiving heated air for removing moisture from the web and an air outlet for exhausting the moisture-containing air from the drying device; a vacuum system for producing a suction, the vacuum system being further configured to receive the moisture-containing air; and a web handling device disposed upstream of the drying device and configured to interact with the web before the web is directed to the drying device, the web being carried by a fabric, the web handling device being further configured to receive a portion of the moisture-containing air from the air outlet of the drying device comprising the Yankee dryer, the portion of the moisture-containing air being directed through the web by the web handling device so as to facilitate dewatering of the web before the moisture-containing air is received by the vacuum system through the fabric.