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Hitachi Plant Technologies Ltd
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Hitachi Plant Technologies Ltd
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Publication date
Application filed by Hitachi Plant Technologies LtdfiledCriticalHitachi Plant Technologies Ltd
Priority to JP12087876ApriorityCriticalpatent/JPS5346159A/en
Publication of JPS5346159ApublicationCriticalpatent/JPS5346159A/en
Publication of JPS5615288B2publicationCriticalpatent/JPS5615288B2/ja
PURPOSE: To effectively scrape and collect scum and sludge in a sludge precipitating and separating tank, wherein a center post passes through and erects in the tank, and a center gage having scum skimmers and sludge scraper plates is hung on a guarder having a post passing area.