US 11,839,841 B2
Online cleaning device and online cleaning method
Dongxia Duan, Qingdao (CN); and Guangzhou Liu, Qingdao (CN)
Assigned to SUNRUI MARINE ENVIRONMENT ENGINEERING CO., LTD., Qingdao (CN)
Filed by SUNRUI MARINE ENVIRONMENT ENGINEERING CO., LTD., Qingdao (CN)
Filed on Sep. 1, 2020, as Appl. No. 17/009,726.
Application 17/009,726 is a division of application No. 15/574,825, filed on Nov. 16, 2017, abandoned.
Prior Publication US 2020/0398196 A1, Dec. 24, 2020
Int. Cl. B01D 29/66 (2006.01); B01D 35/16 (2006.01); B63J 4/00 (2006.01); C02F 1/00 (2023.01); C11D 1/14 (2006.01); C11D 3/04 (2006.01); C11D 3/20 (2006.01); C11D 3/28 (2006.01); C11D 3/30 (2006.01); C11D 3/37 (2006.01); C11D 11/00 (2006.01); C02F 103/00 (2006.01)
CPC B01D 29/66 (2013.01) [B01D 35/16 (2013.01); B63J 4/002 (2013.01); C02F 1/004 (2013.01); C11D 1/143 (2013.01); C11D 1/146 (2013.01); C11D 3/042 (2013.01); C11D 3/2086 (2013.01); C11D 3/28 (2013.01); C11D 3/30 (2013.01); C11D 3/3719 (2013.01); C11D 3/3765 (2013.01); C11D 11/0041 (2013.01); B01D 2201/16 (2013.01); C02F 2103/008 (2013.01); C02F 2303/16 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An online cleaning device for a ship ballast water treatment filter, wherein the online cleaning device comprises:
a filter comprising a stainless steel mesh, a filter water inlet from which ballast water enters the filter, and a filter water outlet from which the ballast water leaves the filter, the filter water inlet being connected with a filter water inlet pipe, the filter water outlet being connected with a filter water outlet pipe, the filter water inlet pipe and the filter water outlet pipe being parts of ballast water main pipeline;
a filter cleaning pipeline; and
a cleaning liquid preparation tank located in the filter cleaning pipeline, the cleaning liquid preparation tank comprising a cleaning liquid outlet and a cleaning liquid reinjection opening, the filter cleaning pipeline comprising a cleaning liquid injection pipeline arranged between the cleaning liquid outlet of the cleaning liquid preparation tank and the filter water inlet pipe for introducing cleaning liquid prepared in the cleaning liquid preparation tank to the filter, and a cleaning liquid reinjection pipeline arranged between the filter water outlet pipe and the cleaning liquid reinjection opening of the cleaning liquid preparation tank for reinjecting cleaning liquid from the filter to the cleaning liquid preparation tank;
the filter further comprising a gas water separating valve at a top thereof.