System for intercepting and removing non-point source pollutants in current hardened ditch

• Main Authors: LU WENCAI, YU DUAN, HANG XIAONING, ZHANG JIAN, WANG YI, YANG HONGBIN, LI JIAO, MA LIANJIE, LUO YOUJIN, ZHANG HUI, LIU JIANFEI, HU LIUJIE, LI YAN, TANG RONGLI, LIANG TAO, LIAO DUNXIU
• Format: Patent
• Language: Chinese; English
• Published: 22.11.2022
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model discloses a non-point source pollutant interception and removal system for a current hardening ditch, which is characterized in that a plurality of module groups for intercepting and adsorbing pollutants are arranged in the current hardening ditch, and each module group for intercepting and adsorbing pollutants comprises a pebble filtering module, a coarse sand filtering module and a fine sand filtering module, two rows of anchoring type clamping nails corresponding to each filtering module are arranged on the left side wall and the right side wall of the existing hardened ditch respectively, the four rows of anchoring type clamping nails just enclose a space allowing the filtering modules to be placed in from top to bottom and limit the filtering modules in the space, and each filtering module is of a rectangular hollow box-shaped structure with the top open. The height does not exceed half of the height of the existing hardened ditch, and wetland aquatic plants with nitrogen and phosphorus