Novel delivery duct of wastewater storage tank

The utility model discloses a novel delivery duct of a wastewater storage tank, which comprises a duct body. Both ends of the duct body are respectively communicated with a first storage tank and a second storage tank. The duct body is provided with a first chemical pump and a second chemical pump. Both ends of the first chemical pump are provided with a first ball valve and a second ball valve. Both ends of the second chemical pump are provided with a third ball valve and a fourth ball valve. A first communicating pipe and a second communicating pipe are in bridge connection onto the duct body. The first communicating pipe is provided with a fifth ball valve. The second communicating pipe is provided with a sixth ball valve. The first ball valve and the second ball valve are positioned between two end points of the first communicating pipe, which are communicated with the duct body. The third ball valve and the fourth ball valve are positioned between two end points of the second communicating pipe, which ar