EP 3791029 A1 20210317 - METHOD FOR OPERATING A WASTEWATER-LIFTING SYSTEM
Title (en)
METHOD FOR OPERATING A WASTEWATER-LIFTING SYSTEM
Title (de)
VERFAHREN ZUM BETRIEB EINER ABWASSERHEBEANLAGE
Title (fr)
PROCÉDÉ POUR FAIRE FONCTIONNER UNE INSTALLATION DE RELEVAGE D'EAUX USÉES
Publication
Application
Priority
- DE 102018207257 A 20180509
- EP 2019061664 W 20190507
Abstract (en)
[origin: WO2019215138A1] The invention relates to a method for operating a wastewater-lifting system, in which wastewater loaded with bulky materials is guided through a bulky material collection tank (4) having at least one separating screen arranged in its interior, in which furthermore, during the intake of wastewater, the bulky materials are retained in the bulky material collection tank (4), and precleaned wastewater is fed to a pump (6) via a connection line (5), and in which the precleaned wastewater passes into the liquid collection tank (8) via the pump (6) and via a bypass line (7) connected to the connection line (5). According to the invention, a pivoting flap (12) is additionally provided in the connection line (5), said flap, during the intake of wastewater, closing the connection line (5) apart from a flushing cross section (14) and opening the bypass line (7) and, during the pumping operation, opening the connection line (5) and closing the bypass line (7).
IPC 8 full level
E03F 5/22 (2006.01); E03C 1/122 (2006.01); E03F 5/14 (2006.01)
CPC (source: EP US)
E03F 5/14 (2013.01 - US); E03F 5/22 (2013.01 - EP US); E03C 1/1227 (2013.01 - EP); E03F 5/10 (2013.01 - US); E03F 5/14 (2013.01 - EP); F04D 15/029 (2013.01 - US)
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
DOCDB simple family (publication)
WO 2019215138 A1 20191114; CN 112041515 A 20201204; CN 112041515 B 20230131; DE 102018207257 A1 20191114; EP 3791029 A1 20210317; EP 3791029 B1 20221123; HR P20230097 T1 20230317; SI 3791029 T1 20230428; US 2021246646 A1 20210812
DOCDB simple family (application)
EP 2019061664 W 20190507; CN 201980030963 A 20190507; DE 102018207257 A 20180509; EP 19724134 A 20190507; HR P20230097 T 20190507; SI 201930463 T 20190507; US 201917053457 A 20190507