| 摘要 |
PROBLEM TO BE SOLVED: To provide a circulating cutting water treating apparatus for a core drill, capable of efficiently separating the chip of a concrete included in a waste cutting water generated by drilling of the core drill and again using the waste cutting water as a cutting water. SOLUTION: The circulating cutting water treating apparatus for the core drill comprises independent first and second tanks 2 and 3 built with a tube branching fitment 4 and a pump connected by a duct from the fitment 4, a treatment tank 5 installed at the lower parts of the tans 2 and 3, and a pump 8 provided in the tank 5. The first and second tanks 2 and 3 alternatively suck and drain water. The tank 5 treats the waste cutting water drained from the tanks 2 and 3 via a filter 9 or the filter 9 and a polymer coagulant. The treated cutting water is pumped by the pump 8 to the cock 18 of the water supplied port of the core drill unit.
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