B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 29/66 (2006.01) B01D 29/39 (2006.01) B01D 29/84 (2006.01) B01D 35/12 (2006.01) B01D 36/00 (2006.01)
Patent
CA 2042357
In a method for filtering a suspension through a stationary filter (1a, 1b) having vertical filter element arranged in a pressure vessel (A, B) and far re-conditioning the filter after filtering, the filtrate is discharged from the bottom of the filter element (27) during the main part of the filtering. After filtering unfiltered suspension is discharged in a known manner from the pressure vessel (A, B) later to be returned to the inlet (2a, 2b) for suspen- sion. Thereafter, back-wash is performed with an- other medium hate filtrate, an outlet (12a, 12b) for material deposited on the filter element being open- ed for removal of said material together with the back-washing medium. Preferably, before back- wash, drying of the material deposited on the filter element (27) takes place by means of a gas medium circulating within the filtering plant.
Oswaldsson Rolf
Strid Kent
Kirby Eades Gale Baker
Metso Fiber Karlstad Ab
Oswaldsson Rolf
Strid Kent
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