Valmet Ab

Valmet Aktiebolag

Johnny Anerud

Hans Ivarsson

Magnus Hoegman

Stefan Moden

Andreas Hjaertqvist

Martin Raedman

Anna Danielsson

Jonas Cederloef

Stefan Thyberg

Sune Wendelsson

The invention relates to a steel-made Yankee cylinder () that comprises a cylindrical shell () having two axial ends (). An end wall () is connected to each axial end () by a circumferential weld bead (). The cylindrical shell has an inner surface () in which circumferential grooves () are formed. From the outermost circumferential groove () at each axial end () to the circumferential weld bead () at that axial end () the wall thickness (T) of the cylindrical shell is either constant or decreasing and the depth (d) of the circumferential grooves increases axially from the outermost circumferential groove ().

Steel-made yankee cylinder

A device for positioning a drain pipe () of a draining system in a drying cylinder (), the jacket () of which has inner circumferential grooves () for condensate which is formed as a result of heat transfer, said draining system comprising an outlet means and a plurality of drain pipes which are connected to the outlet means, wherein the draining system removes the condensate from the grooves via the drain pipes and the outlet means, wherein the device has a pipe positioner () which is disposed in an end portion () of the drain pipe located closest to the outlet means, said pipe positioner comprising a mounting device () for mounting the drain pipe onto the outlet means, and a lockable connection () that connects the drain pipe to the mounting device (). According to the invention, the lockable connection is a joint connection, which defines a fulcrum for pivoting of the drainpipe in a plane to enable positioning of the drain pipe relative to the bottom surface of the groove.

Positioning device for a drain pipe in a drying cylinder

Growing community of inventors

Karlstad, Sweden

Johnny Anerud