Double diffuser with flexible bellows and internal actuator

Details Double diffuser with flexible bellows and internal actuator Double diffuser with flexible bellows and internal actuator

D - Textiles, Paper

21

C

182/76, 92/60.1

D21C 9/10 (2006.01) D21C 9/04 (2006.01) D21C 9/18 (2006.01)

Patent

CA 2036694

14 DIFFUSER WITH FLEXIBLE BELLOWS AND INTERNAL/ACTUATOR ABSTRACT In a paper pulp treating vessel, such as a pulp thickener or diffuser, the screens are backflushed by reciprocating an internal piston utilizing an internally mounted hydraulic cylinder. The screens are supported by conduit arms having a central hub, and the hydraulic cylinder is mounted directly on top of the hub, with the backflushing cylinder mounted below the hub. Hydraulic lines lead from exteriorly of the vessel to the hydraulic cylinder within the vessel, and a sealing conduit is mounted surrounding the hydraulic lines. The sealing conduit extends to a point above the top of the vessel to act as an indicator if hydraulic fluid leaks in the vessel. A flexible bellows is connected between the sealing conduit and the hydraulic cylinder to allow tilting action between the arms and the top of the vessel.

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