The invention discloses a
tap water saving device for a student dormitory. The device comprises a wash stand, a support column, a faucet, a knob, a first water guide
pipe, a filtering tank, a water storing tank, a second water guide
pipe, a
water storage tank, a
squat toilet, a first filter plate, a first
drive motor, a first rotating shaft, agitating blades, a second
drive motor, a second rotating shaft, a crushing knife group, a second filter plate, an
active carbon layer, a fixed plate, connecting columns, a U-shaped tube, through holes, an
ozone generator, a first drainage port, a second drainage port, a main drainage port, a water blocking plug, an
inductor, a water inlet
pipe, an operation panel, a display screen, operating buttons, an alarm, a flowmeter and a valve, wherein the washstand is arranged at the top of the support column; the main drainage port is arranged in the middle of the inner wall of the wash stand; the first drainage port is arranged in one side of the main drainage port; and the second drainage port is arranged in the other side of the main drainage port. According to the device, the
filtration and disinfection treatment can be carried out on
sewage generated after use, and the
tap water saving effect is good.