Method for removing dust in connection with the sheet cutter...

Details Method for removing dust in connection with the sheet cutter... Method for removing dust in connection with the sheet cutter...

B - Operations, Transporting

26

D

B26D 7/18 (2006.01)

Patent

CA 2270338

The invention concerns a method and an arrangement for removing dust in connection with the sheet cutter (10) of a pulp drying machine or equivalent. In the method, in the sheet cutter (10) of the pulp drying machine, the pulp web (W) is slit in a slitter unit (11) into longitudinal component webs, which longitudinal component webs are further cut in the cutter unit (12) in the cross direction into sheets (W'). In the method, dust that is formed in connection with the slitter unit (11) and/or with the cutter unit (12) in the sheet cutter (10) is removed by means of at least two dust removing devices (31; 32; 33) placed in substantial vicinity of the slitter unit (11) and/or of the cutter unit (12).

L'invention concerne un procédé et un dispositif permettant d'enlever la poussière au niveau de la coupeuse en feuilles (10) d'un presse-pâte sécheur ou équivalent. Selon le procédé, dans ladite coupeuse en feuilles (10), la bande de pâte (W) est fendue dans une unité coupeuse longitudinale (11), de façon à former des bandes de composants longitudinaux, qui sont ensuite coupés dans l'unité coupeuse transversale (12) dans la direction transversale, de façon à former des feuilles (W'). La poussière qui s'est formée au niveau de l'unité coupeuse longitudinale (11) et/ou de l'unité coupeuse transversale (12) dans la coupeuse en feuilles (10) est enlevée au moyen d'au moins deux dispositifs de dépoussiérage (31; 32; 33) placés tout près de l'unité coupeuse longitudinale (11) et/ou de l'unité coupeuse transversale (12).

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