| 摘要 |
PROBLEM TO BE SOLVED: To facilitate the introduction of a ready mixed concrete recovery apparatus even in a small scale plant by making an apparatus for reusing sludge water comprising various members, into a small unit. SOLUTION: The unit for reusing sludge water is constituted by integrating, into a transportable unit, a first pit for storing sludge water containing cement and aggregates, a spiral sorting apparatus for separating coarse aggregates and fine aggregates from the sludge water supplied from the first pit, a second pit for storing sludge water containing no aggregates from the spiral sorting apparatus, a cyclone for receiving the sludge water from the second pit, removing fine sand, and turning the fine sand accumulated in the bottom part to the spiral sorting apparatus at prescribed intervals, a storage tank for storing sludge water from which the fine sand is separated by the cyclone, and a plurality of pumps for transferring sludge water from a prescribed point to another prescribed point. The base part of the spiral sorting apparatus is installed in a boat-shaped container which is not penetrated with sludge water in the storage tank and the tip part of the spiral sorting apparatus is projected out of the storage tank. COPYRIGHT: (C)2004,JPO
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