Rainwater discarding device for high-rise building

The utility model discloses a high-rise building rainwater discarding device which comprises a control unit, a drainage module, an overflow module and a flow collecting module, the drainage module, the overflow module and the flow collecting module are electrically connected with the control unit, the drainage module is connected with the overflow module and the flow collecting module, and the overflow module is connected with the flow collecting module. The drainage module comprises a water inlet pipe, a third electric valve and a flow discarding pipe, the water inlet pipe is connected with the flow discarding pipe, the third electric valve is arranged at the end, close to the flow discarding pipe, of the water inlet pipe, the third electric valve is electrically connected with the control unit, and the flow collecting module comprises a reverse slope structure, a Y-shaped filter, a bypass pipe, a collecting pipe, a second electric valve, a second butterfly valve and a third butterfly valve. According to the