EP 4146861 A1 20230315 - A SYSTEM AND METHOD FOR DEFIBRATING WOOD CHIPS, AND A RETURN STEAM PIPE
Title (en)
A SYSTEM AND METHOD FOR DEFIBRATING WOOD CHIPS, AND A RETURN STEAM PIPE
Title (de)
SYSTEM UND VERFAHREN ZUM ZERFASERN VON HOLZSPÄNEN UND RÜCKLAUFDAMPFROHR
Title (fr)
SYSTÈME ET PROCÉDÉ POUR DÉFIBRER DES COPEAUX DE BOIS ET TUYAU DE VAPEUR DE RETOUR
Publication
Application
Priority
- SE 2050527 A 20200507
- SE 2021050276 W 20210329
Abstract (en)
[origin: WO2021225491A1] A defibrator system comprising: a preheater (3), a defibrator (7), a feed screw arrangement (11) and a return steam pipe (23) configured for transferring steam from the feed screw arrangement to the preheater, wherein the return steam pipe comprises a sensor arrangement (31a) which can measure a feature that can be used for evaluating if there is a stop or reduced possibility for the steam to pass through the return steam pipe. A return steam pipe arrangement and a method for defibrating wood chips are also disclosed.
IPC 8 full level
D21B 1/14 (2006.01)
CPC (source: EP SE)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2021225491 A1 20211111; EP 4146861 A1 20230315; EP 4146861 A4 20240626; SE 2050527 A1 20210706; SE 543739 C2 20210706
DOCDB simple family (application)
SE 2021050276 W 20210329; EP 21800699 A 20210329; SE 2050527 A 20200507