| 摘要 |
PROBLEM TO BE SOLVED: To provide a car-washing machine capable of reducing a concentration of an impurity contained in discharge water without reducing the efficacy of a liquid agent itself. SOLUTION: The car-washing machine is provided with a washing water injection nozzle 12 relatively movably provided at the vehicle and capable of injecting washing water and a liquid agent injection nozzle 13 capable of injecting the liquid agent such as liquid agent wax; a water feeding pipe 14 feeding the washing water and diluted water of the liquid agent to the respective injection nozzles; and a liquid agent feeding pipe 16 for feeding the liquid agent to the liquid agent injection nozzle 13. An enzyme feeding pipe 18 for feeding an enzyme for decomposing an oil component contained in the liquid agent to the water feeding pipe 14 is provided, and the enzyme feeding pipe is constituted of an enzyme tank 19; an enzyme feeding pipe 41 for feeding the enzyme in the enzyme tank to a main feeding pipe 21 of the water feeding pipe; and an enzyme feeding pump 42 provided on the midway of the enzyme feeding pipe. COPYRIGHT: (C)2009,JPO&INPIT
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