Main canal non-stop water maintenance device and method utilizing mobile water tower to regulate, store, pressurize and overflow

The invention discloses a main canal non-stop water maintenance device utilizing a mobile water tower to regulate, store, pressurize and overflow, and relates to the technical field of energy, electric power, municipal administration, environment and bioengineering. The system comprises a water delivery main canal, an upstream water retaining facility is arranged on the upstream side of a to-be-overhauled canal section of the water delivery main canal, and a downstream water retaining facility is arranged on the downstream side of the to-be-overhauled canal section; a water pumping pipeline is arranged on the upstream side of the upstream water retaining facility and connected with the first-stage movable water tower, a water pumping pump is arranged on the water pumping pipeline, the first-stage movable water tower is connected with the second-stage movable water tower, and the second-stage movable water tower is connected with the downstream side of the downstream water retaining facility. The method solves