Method and device for refining a fibre material

Details Method and device for refining a fibre material Method and device for refining a fibre material

D - Textiles, Paper

21

D

92/41

D21D 5/00 (2006.01) D21D 1/00 (2006.01) D21D 1/22 (2006.01)

Patent

CA 1297328

23402-105 ABSTRACT The invention relates to refining of fibre material with the main object to decrease the energy consumption by allowing steam generated during the refining to discharge from the grinding zone in order to give more space for the fibre material which is ground. The inventive apparatus with conical housing and rotor allows two stage separation of fibre material from the steam before the steam is led away. The invention can be used in refining comminuted fibre material e.g. chips to pulp according to the TMP, CTMP CMP or other methods for production of so called mechanical pulps.

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