Rain sewage ecological combined filtering system for sponge city

• Main Authors: DONG YANGYANG, KONG QINGLEI, WU ZHENGYAN, ZHONG TONGQIANG, TUN XINGJIAN, XIA BING, ZHU LIN
• Format: Patent
• Language: Chinese; English
• Published: 06.12.2022
• Subjects: CESSPOOLS; FIXED CONSTRUCTIONS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; SEWERAGE; SEWERS; TRANSPORTING; WATER SUPPLY

The utility model discloses an ecological combined rainwater and sewage filtering system for a sponge city. The planting device comprises a planting layer, a coarse filtering layer is arranged at the filtering end of the planting layer, a fine filtering layer is arranged at the filtering end of the coarse filtering layer, plants are evenly distributed at the planting end of the planting layer, the planting layer wraps the surface of a net-shaped layer, and guiding blocks are symmetrically arranged at the filtering end of the planting layer. The coarse filtering layer and the fine filtering layer are arranged on the surface of the guiding block, a guiding pipe is arranged at the filtering end of the fine filtering layer, and the guiding pipe is arranged on the surface of the guiding block, the overall laying cost is low, a layered filtering method is adopted for filtering, the filtering effect and efficiency are high, regular replacement of a filter element is not needed, and the maintenance cost is relatively