D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 9/00 (2006.01) D21C 9/02 (2006.01) D21C 9/06 (2006.01) D21C 9/18 (2006.01) D21F 1/74 (2006.01)
Patent
CA 2503619
The invention concerns a method and a device for the dilution of dewatered cellulose pulp that maintains a consistency of 30% or greater. By shredding of the pulp to a finely divided dry granulate, dilution to a homogeneous consistency in the medium consistency range can take place exclusively through hydrodynamic effects from the addition of dilution fluid. The dilution fluid is added to the granulate at a position at which the granulate is in free fall in a stand pipe 22, 40 and above a level Liq LEV of diluted pulp in the stand pipe. A number of nozzles are arranged around the periphery of the stand pipe, directed in towards the centre of the stand pipe, obliquely downwards in the direction of fall of the granulate. It is possible through this simplified procedure to avoid completely the conventional dilution screws, and this reduces the investment costs and operating costs, while at the same time unnecessary mechanical influence of the pulp fibres can be avoided.
Gustavsson Lennart
Ohlsson Goeran
Saetherasen Jonas
Snekkenes Vidar
Glv Finance Hungary Kft.
Gowling Lafleur Henderson Llp
Kvaerner Pulping Ab
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