Chongqing University

China Construction Industrial & Energy Engineering Group Co., Ltd.

Shenzhen Yuezhong (group) Co., Ltd.

Zhiyu Shao

Hongxiang Chai

Qiang He

Yue Shen

Zheng Kong

Jingchen Ma

Wei Kang

Yanhong Xu

Li Gu

Yan Yang

Jingjing Hu

Hainan Ai

Fujian Liu

Zhaoxiong Zhang

Xinlu Yang

Qichang Ni

Xinqiao Yao

Yu Xiang

Xinyue Wang

Haiyuan Ma

A bioretention pond includes a pond body and an overflow weir. The pond body includes a pond wall and a layered substrate. The layered substrate includes from bottom to top: a gravel layer, a transition layer, a pyrite layer, a plant layer, a pebble water layer, an organic layer, and a water storage layer. The overflow weir is disposed on the pebble water layer with a space left above the center of the pebble layer. The organic layer is disposed in the space and covers the pebble layer. The water storage layer is disposed onto the organic layer. The pond body further includes a perforated pipe disposed in the gravel layer; and the perforated pipe includes an outlet end disposed at the top part of the pyrite layer.

Bioretention pond for rainwater treatment

A stormwater runoff treatment substrate includes a lower pyrite substrate layer and an upper biochar substrate layer. The lower pyrite substrate layer includes pyrite, oyster shell powder, and sandy materials in a volume ratio of 10:5:85. The upper biochar substrate layer includes biochar or activated carbon, organic nutrient soil, and sandy materials in a volume ratio of 20:3:77.

Stormwater runoff treatment substrate comprising pyrite substrate layer and biochar substrate layer

Stormwater runoff treatment substrate and stormwater bioretention system constructed by using substrate

A flow splitter including a first plate being immobile and a second plate being turnable with respect to the first plate. The first plate includes a central part, and the central part includes a slot and two side parts disposed at two ends of the slot, respectively. The second plate includes a first subplate and a second subplate, and the first subplate includes one end provided with a flange. The second plate is coupled to the first plate. The first subplate and the second subplate are disposed at two side of the slot; two sides of the second plate include two gaps, respectively. The two side parts of the first plate are disposed in the two yaps, respectively.

Flow splitter and rain separator comprising the same

A device for vehicle hindrance and rainwater treatment including a vehicle hindrance body and a well pit. The vehicle hindrance body includes a lower sidewall, the well pit includes a top opening, and the lower sidewall encloses the top opening. The lower sidewall includes a plurality of water inlet holes. The well pit includes an upper part, a lower part, and a partition disposed between the upper part and the lower part. The partition includes a plurality of leaking holes. The upper part of the well pit includes an outer ring belt filled with a rainwater pretreatment filler, a center ring belt filled with soil, and a rainwater collection ring belt disposed between the outer ring belt and the inner ring belt. The lower part includes a water-sand separating folded plate, a water-sand discharging channel, a rainwater collecting tank, and a rainwater storage chamber.

Device for vehicle hindrance and rainwater treatment and system comprising the same

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Chongqing, China

Zhiyu Shao