| 摘要 |
An electrolytic hydrogen water production system having a titanium electrode for sterilization which can sustain sterilization effect even when the system is operated for a long term or used in a region where hardness of city water is high by ensuring a stabilized electrolytic current. The electrolytic hydrogen water production system comprises a water supply pipe, an electrolytic tank connected therewith, a pair of electrolytic electrodes opposing each other in the electrolytic tank, a sterilization electrode arranged above one electrolytic electrode, a power supply for supplying positive or negative DC voltage alternately every predetermined period to the pair of electrolytic electrodes, a control means for supplying a negative voltage, only when one electrode becomes a negative electrode, to the sterilization electrode arranged above it, a filter unit connected with the electrolytic tank and filtering electrolytic water and electrolytic gas generated therein, and a pipe for introducing water filtered by the filter unit to the outside, wherein a means for introducing acid water produced at the lower electrolytic electrode to the sterilization electrode is provided in the gap between the sterilization electrode and the opposing electrolytic electrode.
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