Patent ID: 7087167
Filing Date: 2006-08-08
Classification: B01D

Abstract:
1. A sanitary filtration plant comprising: an oblong, tubular pressure vessel defining a pressure pipe and including at least one helical filter element having a spiral-wound filter member, at least one slit between a respective filter element and the pipe and a central tube; a supporting structure at an outlet end of said helical filter element with respect to plant operation, said supporting structure being in form of a wheel with a hub, spokes and a rim and having plane sides for abutment against the outlet end of the filter member, said supporting structure further being provided along an external periphery thereof with a sealing element for sealing abutment against an inner side of the pressure vessel and a plurality of recesses positioned between at least one opening between the spokes and an external periphery of said rim and fluidly communicating with the respective slit, said recesses being provided in the plane side of the supporting structure on a downstream face thereof while the plant is operating.