Method for optimizing the degree of flocculation

Details Method for optimizing the degree of flocculation Method for optimizing the degree of flocculation

D - Textiles, Paper

21

H

D21H 23/08 (2006.01) D21H 21/10 (2006.01)

Patent

CA 2335297

The invention concerns a method for optimizing the degree of flocculation in a headbox. The degree of flocculation is measured continuously from a stock flow (M1) / stock flows by means of a detector (Ri) of flocculation, and the detector (R1) transmits a signal to a regulator (H1), which regulates the metering of retention agent (10) and/or fillers (11) and/or auxiliary chemicals (12) into the stock flow (M1) / stock flows continuously on the basis of the signal to an optimal level, which stock flow/flows is/are passed into the headbox (P1).

Cette invention a trait à un procédé permettant d'optimiser le degré de floculation dans une caisse de tête. Le degré de floculation est mesuré sans interruption dans un flux de suspension de pâte (M1) et/ou plusieurs flux de suspension de pâte à l'aide d'un détecteur de floculation (R1). Celui-ci transmet un signal à un régulateur (H1) régulant le dosage d'un agent de rétention (10) et/ou de matières de charge (11) et/ou de substances chimiques auxiliaires (12) dans le flux de suspension de pâte (M1) et/ou plusieurs flux de suspension de pâte et ce, de façon continue en fonction du signal à un niveau optimal, ce ou ces flux de suspension passant dans la caisse de tête (P1).

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