A yankee drying cylinder for drying webs of cellulose material

The invention relates to a yankee drying cylinder (1) for drying webs (W) of cellulose material. Theyankee drying cylinder includes: a cylindrical shell (2), end heads (5, 6), support shaft necks (12, 13) and thermal insulation parts (16), wherein each thermal insulation part (16) on the end heads (...

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Bibliographic Details
Main Authors PETER CLAESSON, ANDREAS FREDRIKSSON
Format Patent
LanguageChinese
English
Published 25.05.2016
Subjects
METHODS OF PRODUCING PAPER THEREON
PAPER-MAKING
PAPER-MAKING MACHINES
PRODUCTION OF CELLULOSE
TEXTILES
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Summary:The invention relates to a yankee drying cylinder (1) for drying webs (W) of cellulose material. Theyankee drying cylinder includes: a cylindrical shell (2), end heads (5, 6), support shaft necks (12, 13) and thermal insulation parts (16), wherein each thermal insulation part (16) on the end heads (5, 6) includes multiple separate fragments (17, 18); for the end heads (5, 6), multiple separate isolating pieces (19) are located in the area between the circular peripheral (11) of the end heads and the support shaft neck (12, 13); the separate isolating pieces (19) are mutually separated and are fastened to the end heads (5, 6) in the way being protuding from the end heads (5, 6); and the separate fragments (17, 18) are fastened to at least two separate isolating pieces (19) to enable the separate fragments (17, 18) to be separate from the end heads (5, 6) by a certain distance by the separate isolating pieces (19).
Bibliography:Application Number: CN20151770360