Filter module and method for its manufacture

Details Filter module and method for its manufacture Filter module and method for its manufacture

B - Operations, Transporting

01

D

B01D 29/19 (2006.01) B01D 29/21 (2006.01) B01D 29/41 (2006.01)

Patent

CA 2467011

A filter module is formed of filter material. In the filter material openings (25) are formed wherein the boundary surfaces of the openings (25) constitute the flow-through surfaces (6) . The filter module is a roll (27) of wound filter material. The openings (25) of the wound layers of the filter material form channels (26) angled relative to the winding axis (9), wherein one group thereof opens at the outer peripheral surface (28) of the roll (27) and the other group opens at the inner peripheral surface (29) of the roll (27) and wherein the channels (26) on the other end, respectively, are closed and wherein the channels (26), angled relative to the winding axis (9), are separated from one another by filter material, and wherein the inner area of the roll (27) has a central channel (3) arranged around a winding axis (9).

L'invention concerne un module de filtration constitué d'un matériau filtrant. Des ouvertures (25) sont formées dans le matériau filtrant, et les surfaces délimitant ces ouvertures (25) constituent les surfaces (6) d'écoulement. Ce module de filtration est formé d'un rouleau (27) de matériau filtrant enroulé. Les ouvertures (25) formées dans les couches de matériau filtrant enroulé forment des canaux (26) orientés de manière à former un angle avec l'axe (9) d'enroulement. Un groupe de ces canaux s'ouvre sur la surface (18) périphérique externe du rouleau (27) tandis que l'autre groupe s'ouvre sur la surface (29) périphérique interne du rouleau (27), les canaux (26) étant fermés sur l'autre extrémité respective. Ces canaux (26), qui forment un angle avec l'axe (9) d'enroulement, sont séparés les uns des autres par le matériau filtrant, et la zone interne du rouleau (27) comprend un canal (3) central placé autour de l'axe (9) d'enroulement.

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