Courtyard type modular rural domestic sewage treatment device

• Main Authors: TIAN WENFENG, XU XIN, ZHANG YOUDE, QIAN YIWU, DAI CAOPEI
• Format: Patent
• Language: Chinese; English
• Published: 16.08.2022
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model discloses a courtyard type modularized rural domestic sewage treatment device which comprises a water collecting tank, a water pump and an artificial wetland unit which are connected through pipelines, the artificial wetland unit is of an annular structure, and the artificial wetland unit is sequentially provided with a first unit, a second unit, a third unit and a fourth unit from outside to inside, the first unit comprises a water inlet area and a horizontal underflow wetland area, water distribution main pipes are arranged at the tops of the first unit and the second unit, the second unit and the third unit are arranged as vertical underflow wetland areas, water collecting pipes are arranged at the bottoms of the second unit and the third unit, and the fourth unit is arranged as a water collecting area of a hollow cylinder structure. By arranging the artificial wetland unit with the annular structure, the sewage treatment device can be mounted and used on the ground, is small in occupied