City rainfall flood jointly utilizes system

The utility model relates to a field of municipal works pipeline discloses a city rainfall flood jointly utilizes system, its including the wet pool that lies in ground below, lie in subaerially and with the inlet for stom water that holds the chamber intercommunication, utility tunnel and the drainage mechanism that lies in the ground below, the wet pool has the chamber that holds that can storeup the rainwater, utility tunnel includes water tank and level sensor, the water catch bowl is seted up to the diapire inboard of water tank, and level sensor can detect the liquid level in the watercatch bowl to send out the outflow signal, drainage mechanism includes drain pipe and at least one water pump, the input port of water pump and the inner chamber of water catch bowl intercommunication, its delivery outlet communicates with the one end of drain pipe, the other end and the wet pool intercommunication of drain pipe, the water pump is connected with the level sensor electricity to receive traffic signal. The u