EP 2112272 A1 20091028 - Method and apparatus for the integrated cleaning of a paper-pulp processing plant
Title (en)
Method and apparatus for the integrated cleaning of a paper-pulp processing plant
Title (de)
Verfahren und Vorrichtung zur integrierten Reinigung einer Papierfaserstoffverarbeitungsanlage
Title (fr)
Procédé et appareil pour le nettoyage intégré d'une installation de traitement de pâte à papier
Publication
Application
Priority
EP 08155077 A 20080424
Abstract (en)
The present invention discloses a method for the integrated cleaning of a paper-pulp processing plant including one or more high density cleaners comprising the steps of supplying the rejected flow (10) from one of said high density cleaners to a screening centrifugal separator (11); screening out contaminants in the separator (11) using a screen hole size of less than 3.5 mm; thickening any fibrous material accepted by the separator (11) and returning same to stock being processed in the processing plant; and recovering liquid (B) from any material (A) rejected by the separator (11) prior to disposing of said material. The invention further comprises an apparatus for performing said method.
IPC 8 full level
CPC (source: EP US)
D21D 5/00 (2013.01 - EP US); D21D 5/02 (2013.01 - EP US); D21D 5/026 (2013.01 - EP US)
Citation (search report)
- [A] DE 3937279 C1 19910418
- [A] US 5622600 A 19970422 - SMITH KIM A [US], et al
- [A] WO 2005056914 A2 20050623 - NORDLAND PAPIER GMBH [DE], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
DOCDB simple family (application)
EP 08155077 A 20080424; US 38691309 A 20090424