Urban drainage system and drainage method thereof

• Main Authors: CHENG GUANHUA, ZHANG QUN, CUI XINLEI, REN GUANGXIN, DU LIN
• Format: Patent
• Language: Chinese; English
• Published: 01.05.2020
• Subjects: CESSPOOLS; FIXED CONSTRUCTIONS; SEWERAGE; SEWERS; WATER SUPPLY

The invention relates to an urban drainage system. The urban drainage system comprises water regulation and storage tanks, ditches, an overflow well and rain grates. The water regulation and storage tanks are arranged on a roadside at intervals and correspond to rainwater pipes, one side of each water regulation and storage tank is provided with a through hole, the interior of each water regulation and storage tank is vertically provided with a communicating pipe which communicates with the corresponding rainwater pipe, and the top of each communicating pipe is higher than the corresponding through hole; the ditches correspond to the through holes and communicate with the water regulation and storage tanks and the urban green land; the overflow well is vertically dug in the urban green land and communicates with the rainwater pipes, and the portion, close to the bottom, of the side wall of the overflow well is provided with filter holes so that rainwater in the urban green land can converge into the overflow