Coarse grid sewage pretreatment filter tank

• Main Authors: LIU LILI, RUAN JUN, GUO ZHIHUA, MO JILIN, SU ZHIJIAN, GONG YUEHUA, ZENG XIANGSEN, HUO JUNJIE, CHEN YUESE, XIAO CHANGTAI, CHEN WEISHU, LUO WEIKUN
• Format: Patent
• Language: Chinese; English
• Published: 18.04.2023
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model relates to a coarse screen sewage pretreatment filter tank which comprises a filter tank, a water inlet pipe, a water outlet pipe, a coarse screen and a driving part, when sewage is filtered, the coarse screen is located between the water inlet pipe and the water outlet pipe, and the coarse screen can slide up and down in the filter tank under the driving of the driving part. A supporting frame is arranged on the side wall of the filter tank and fixedly connected with the side wall of the filter tank, a plurality of connecting rods connected with the two ends of the side wall of the filter tank are arranged on the supporting frame, the coarse screen abuts against the supporting frame when reaching the maximum limit in the filter tank, a reinforcing rib is further arranged on the supporting frame, and the two ends of the reinforcing rib are connected with the supporting frame and the side wall of the filter tank respectively. According to the scheme, the supporting frame is arranged in the fi