Bag filter comprising polyphenylene sulfide and acrylic fiber

Details Bag filter comprising polyphenylene sulfide and acrylic fiber Bag filter comprising polyphenylene sulfide and acrylic fiber

B - Operations, Transporting

01

D

B01D 39/00 (2006.01) B01D 39/16 (2006.01)

Patent

CA 2659172

This invention relates to a bag filter having a tubular section, one closed end and one open end, the tubular section having a nonwoven felt comprising an intimate fiber blend of 50 to 80 parts by weight polyphenylene sulfide fiber and 20 to 50 parts by weight acrylic fiber, based on the total weight of polyphenylene sulfide and acrylic fibers in the felt, wherein the acrylic fiber has an equal or lower denier per filament than the polyphenylene sulfide fiber.

L'invention concerne un filtre à manchon présentant une partie tubulaire, une extrémité fermée et une extrémité ouverte. La partie tubulaire comprend un feutre non-tissé comprenant un mélange intime de fibres de 50 à 80 parties en poids de fibres de sulfure de polyphénylène et de 20 à 50 parties en poids de fibres acryliques, en fonction du poids total de fibres de sulfure de polyphénylène et de fibres acryliques contenues dans le feutre. Les fibres acryliques présentent une qualité (denier par filament) supérieure ou égale à celle des fibres de sulfure de polyphénylène.

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