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公开(公告)号：US20200073364A1
公开(公告)日：2020-03-05
申请号：US16553164
申请日：2019-08-27
Inventor： Jung Won PARK , Jung June LEE , Yeong Hyeok KIM
IPC: G05B19/4063
Abstract: A plant monitoring method using exergy efficiency is provided. The plant monitoring method includes detecting data associated with chemical exergy and physical exergy of each apparatus or subsystem and obtaining a chemical exergy value and a physical exergy value of each apparatus or subsystem, calculating an exergy efficiency value of each apparatus or subsystem on the basis of the detected data, and identifying a maintenance target which refers to an apparatus or subsystem that needs to be improved in efficiency on the basis of data obtained through the calculating of the exergy efficiency value.
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公开(公告)号：US20180028945A1
公开(公告)日：2018-02-01
申请号：US15725151
申请日：2017-10-04
Inventor： Sung Won PARK , Jung June LEE
CPC classification number: B01D24/4636 , B01D24/007 , B01D24/12 , B01D24/40 , B01D29/58 , B01D35/10 , B01D39/04 , B01D2201/087 , B01D2201/186
Abstract: A fiber filtering apparatus includes: an enclosure including an upper box and a lower box communicating with the upper box; a strainer installed in the upper box along a longitudinal direction; a plurality of fiber yarn media configured to be fixed to upper and lower fixing means each coupled to upper and lower parts of the strainer; a plurality of fiber ball media configured to be embedded in the lower box to form a second filtering layer; a first pipe configured to be formed on one side wall on the lower part of the upper box and introduced with raw water during filtration and drain backwashing water during backwashing; and a second pipe formed on one side wall on a lower part of the lower box and drain filtered water during the filtration and introduced with washing water during the backwashing.
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