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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 JP12976376ApriorityCriticalpatent/JPS5354365A/en
Publication of JPS5354365ApublicationCriticalpatent/JPS5354365A/en
PURPOSE: To provide a sedimentation apparatus which carries out a solid-liquid separation in a round basin for disposing sludges and waste water such as sewerage or industrial water, wherein a spiral inlet passage leading crude water into the bottom part of the sedimentation basin is formed, the sedimentation speed of the crude water is accelerated, and uniform clean water is caused adequately to flow out.