EP 3344360 A1 20180711 - METHOD FOR FILTERING SEAWATER ONBOARD A SHIP
Title (en)
METHOD FOR FILTERING SEAWATER ONBOARD A SHIP
Title (de)
VERFAHREN ZUR FILTRATION VON SEEWASSER AN BORD EINES SCHIFFES
Title (fr)
PROCÉDÉ DE FILTRATION D'EAU DE MER À BORD D'UN BATEAU
Publication
Application
Priority
- DE 102015114473 A 20150831
- EP 2016069529 W 20160817
Abstract (en)
[origin: WO2017036801A1] A method for filtering seawater onboard a ship, with a filtration device (2) that has an in particular cylindrical filter element (6) arranged in a tank (5), and a cleaning device for separating dirt from the filter element (6) and for carrying away a dirt concentrate phase, consisting of water and the dirt, from the filter element (6) and out of the filtration device (2); having the following steps: a) seawater is pumped into the filtration device (2); b) the seawater is introduced into the filtration device (2) at an inlet pressure P_ein, flows in the filtration device (2) through the filter element (6), and after the filter element (6) as filtered seawater – filtrate – has an outlet pressure P_aus; c) a concentrate phase – concentrate – which is removed using the cleaning device (11) at the filter element (6) of the filtration device (2) and is carried away from the filter element (6) has a concentrate pressure P_konz; d) the inlet pressure P_ein, the outlet pressure P_aus and the concentrate pressure P_konz are preferably measured using sensors (22, 23, 24) and are transmitted to a control device (21); e) a change in filter efficiency of the filter element (6) is recognized by determining a change in a contamination pressure difference ∆PF= P_ein – P_aus between the inlet pressure P_ein and the outlet pressure P_aus; and/or f) a suction pressure difference ∆PK= P_aus – P_konz defined as the difference between the outlet pressure and the concentrate pressure is controlled in dependence on the contamination pressure difference ∆PF = P_ein – P_aus.
IPC 8 full level
B01D 35/157 (2006.01); B01D 29/11 (2006.01); B01D 29/60 (2006.01); B01D 35/147 (2006.01); B63J 4/00 (2006.01); C02F 1/00 (2006.01)
CPC (source: EP KR RU US)
B01D 29/11 (2013.01 - RU); B01D 29/118 (2013.01 - EP KR US); B01D 29/603 (2013.01 - EP KR US); B01D 29/606 (2013.01 - EP KR RU US); B01D 35/1475 (2013.01 - EP KR US); B01D 35/1573 (2013.01 - EP KR US); B63B 13/00 (2013.01 - KR); B63J 4/00 (2013.01 - RU); B63J 4/002 (2013.01 - EP KR US); C02F 1/001 (2013.01 - RU US); C02F 1/004 (2013.01 - KR); C02F 1/32 (2013.01 - KR); C02F 1/004 (2013.01 - EP US); C02F 1/32 (2013.01 - EP US); C02F 2103/008 (2013.01 - EP KR US); C02F 2209/001 (2013.01 - EP KR US); C02F 2209/005 (2013.01 - EP US); C02F 2209/006 (2013.01 - EP US); C02F 2209/03 (2013.01 - EP US); C02F 2209/40 (2013.01 - EP US); Y02A 20/152 (2017.12 - EP US)
Citation (search report)
See references of WO 2017036801A1
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)
DE 102015114473 A1 20170302; DE 102015114473 B4 20220210; CN 108025236 A 20180511; EP 3344360 A1 20180711; JP 2018531792 A 20181101; KR 20180048797 A 20180510; RU 2018109723 A 20191002; RU 2018109723 A3 20191018; RU 2717067 C2 20200317; US 2018251204 A1 20180906; WO 2017036801 A1 20170309
DOCDB simple family (application)
DE 102015114473 A 20150831; CN 201680050095 A 20160817; EP 16753380 A 20160817; EP 2016069529 W 20160817; JP 2018529722 A 20160817; KR 20187008529 A 20160817; RU 2018109723 A 20160817; US 201615755626 A 20160817