Mountain residential area concave rainwater purification system

• Main Authors: ZHAN JINJIAN, SHEN AIWEN, ZHANG JIEWEI, ZHOU ZHIXIN, LIU QIFEI, ZHU LIN, LING YUNCHEN, ZHAO DONG
• Format: Patent
• Language: Chinese; English
• Published: 17.06.2022
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention discloses a concave rainwater purification system for a mountain residential district, and belongs to the technical field of rainwater purification systems, the concave rainwater purification system comprises a plurality of concave greenbelts, a plurality of hard pavements, a circulating water storage pipe and a plurality of overflow filter holes, the plurality of concave greenbelts are arranged on a slope surface of a mountain, and the plurality of concave greenbelts are arranged in a stepped manner; the plurality of hard pavements are paved on the slope surface of the mountain land; in the rainstorm period, the concave greenbelt is rapidly filled with rainwater, and the liquid level of the filtered rainwater entering the circulating water storage pipe rises while the water level of the concave greenbelt rises, so that the rainwater is stored in the same concave greenbelt as much as possible; rainwater which cannot be stored and filtered in time overflows the overflow filtering holes and enters