Liquid purification or separation – Diverse distinct separators – Including a filter
Patent
1983-11-03
1985-09-24
Fisher, Richard V.
Liquid purification or separation
Diverse distinct separators
Including a filter
210305, 210312, 210405, 210422, 210456, B01D 3524
Patent
active
045431884
ABSTRACT:
A foreign matter removing apparatus for removing foreign matters from cooling water such as sea water taken as the cooling water for the condenser of, for example, a power generating plant. The apparatus has an inversed frusto-conical barrel, a filter of a substantially same form as the barrel and disposed in the latter, a cooling water inlet pipe connected to a side portion of the barrel, a cooling water outlet pipe connected to an upper portion of the barrel, a foreign matter discharge pipe connected to a lower side portion of the barrel, and a butterfly valve disposed in the cooling water inlet at which the cooling water inlet pipe is connected to the barrel. The foreign matter discharge pipe is periodically opened while varying the opening degree or angular position of the butterfly valve thereby to remove and discharge foreign matters from the filter surface. The filter is provided at an upper portion thereof with a cover plate or, alternatively, non-perforated portion which effectively enhances the foreign matter removing ratio while eliminating the clogging of the filter and reducing the pressure drop.
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Izumi Kenkichi
Miyai Masahiko
Okouchi Isao
Otake Katsumoto
Takahashi Sankichi
Fisher Richard V.
Hitachi , Ltd.
Millard Wanda L.
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