| 摘要 |
PROBLEM TO BE SOLVED: To reutilize water, from which a solid component is removed, obtained from chipping water or wastewater recoverd by ejecting the water produced by an ultrahigh pressure water producer against deteriorated or damaged concrete using a rotary nozzle. SOLUTION: This water jet device is constituted of a water pump for producing ultrahigh pressure water, a device for ejecting ultrahigh pressure water against concrete by the rotary nozzle, a water wagon for supplying fresh water to the water pump, a device for recovering wastewater or aggregate and a separator for filtering the recovered wastewater to make fresh water. COPYRIGHT: (C)2005,JPO&NCIPI
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