D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 9/06 (2006.01) D21D 5/06 (2006.01)
Patent
CA 2518341
A vacuum drum washer is designed to enable the use of an end-draining drum for drum lengths exceeding 20 feet. The drum washer includes a cylindrical drum having a mesh screen defining an exterior wall. A plurality of outer filtrate channels are disposed radially inward from the mesh screen. A plurality of inner filtrate channels are disposed radially inward from the outer filtrate channels and extend along generally less than an entire length of the drum. A transfer channel connects the outer filtrate channels and the inner filtrate channels. A plurality of radial drainage chutes are disposed adjacent a head end of the outer and inner filtrate channels, which direct the filtrate to a drain valve.
Andritz Inc.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
LandOfFree
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