Novel underwater tunnel wastewater pumping station

The invention discloses a novel underwater tunnel wastewater pumping station, and relates to the technical field of underwater tunnel water supply and drainage. A dredging type collecting tank is divided into an upper bin and a lower bin by a middle partition wall, and the upper bin and the lower bin are connected by virtue of a first gate and a third gate; a zigzag type anti-scouring water inletgallery is arranged in a water inlet adjustable water distribution room, a desilting channel is formed in one side of the zigzag type anti-scouring water inlet gallery, a water distribution tank is connected to one side of the desilting channel by virtue of a second gate, stainless steel grillings, garbage pools and drainage ditches are arranged on both sides of the water distribution tank in sequence, the both sides of the water distribution tank are respectively connected with a left tunnel and a right tunnel, water collection pits are formed in the drainage ditches, and a communicating holeis formed in the water di