EP 2625332 A4 20140611 - PROCESS FOR THE DRYING OF PULP AND A SUCTION ROLL USED FOR THE DRYING OF PULP
Title (en)
PROCESS FOR THE DRYING OF PULP AND A SUCTION ROLL USED FOR THE DRYING OF PULP
Title (de)
VERFAHREN ZUM TROCKNEN EINES ZELLSTOFFS UND SAUGWALZE ZUM TROCKNEN EINES ZELLSTOFFS
Title (fr)
PROCESSUS DE SÉCHAGE DE PÂTE ET ROULEAU ASPIRANT UTILISÉ POUR LE SÉCHAGE DE LA PÂTE
Publication
Application
Priority
- SE 1051037 A 20101005
- IB 2011054356 W 20111004
Abstract (en)
[origin: WO2012046184A1] The present invention relates to a process for the drying of pulp which process comprises the steps of, providing a pulp comprising cellulosic fibers, conducting the pulp to a wire, dewatering the pulp by the aid of a suction roll wherein the suction roll has a open surface area of above 60% and a shell thickness of above 50mm. By increasing the open surface area of the suction roll the dewatering of the pulp is increased. The invention further relates to suction roll for the drying of pulp.
IPC 8 full level
D21C 9/18 (2006.01); D21F 3/10 (2006.01); D21G 3/00 (2006.01); F26B 5/12 (2006.01); F26B 13/16 (2006.01); F26B 25/20 (2006.01)
CPC (source: EP SE)
D21C 9/18 (2013.01 - EP SE); D21F 3/10 (2013.01 - EP); D21F 3/105 (2013.01 - SE); D21G 3/00 (2013.01 - EP); D21G 3/005 (2013.01 - EP); F26B 5/12 (2013.01 - EP); F26B 13/16 (2013.01 - SE); F26B 25/20 (2013.01 - EP)
Citation (search report)
- [Y] DE 29822227 U1 19990211 - VALMET CORP [FI]
- [YD] WO 0218704 A1 20020307 - ONDEO NALCO CO [US]
- [Y] GB 629633 A 19490923 - MILLSPAUGH LTD, et al
- [Y] US 2003008757 A1 20030109 - NIKULAINEN OSMO [FI], et al
- [Y] US 5140749 A 19920825 - SAILAS VAEINOE [FI]
- [Y] US 3265559 A 19660809 - MEANS JOHN A
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
DOCDB simple family (publication)
WO 2012046184 A1 20120412; BR 112013008132 A2 20160809; CN 103154360 A 20130612; EP 2625332 A1 20130814; EP 2625332 A4 20140611; NZ 608170 A 20150424; RU 2013120321 A 20141120; RU 2582464 C2 20160427; SE 1051037 A1 20120406; SE 535820 C2 20130102
DOCDB simple family (application)
IB 2011054356 W 20111004; BR 112013008132 A 20111004; CN 201180048189 A 20111004; EP 11830274 A 20111004; NZ 60817011 A 20111004; RU 2013120321 A 20111004; SE 1051037 A 20101005