Aerobic granular sludge reaction device and screening and refluxing method thereof

• Main Authors: WAN XINYU, LYU WANLIN, CHEN YASONG, LIU MENGMENG, JING FANGYUAN
• Format: Patent
• Language: Chinese; English
• Published: 09.07.2024
• Subjects: CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention provides an aerobic granular sludge reaction device and a screening and refluxing method thereof, and belongs to the technical field of wastewater treatment. The aerobic granular sludge reaction device comprises a reaction mechanism and a screening mechanism; by arranging the reaction box and the reaction unit, aerobic sludge particles are cultured while wastewater is treated. The screening box body is arranged, so that wastewater containing aerobic sludge particles flows into the screening box body through the reaction box; the first filtering piece and the second filtering piece are arranged in the screening box body and are used for filtering aerobic granular sludge with different particle sizes; the jet flow assembly is used for spraying water to the second filter part, so that the aerobic granular sludge and the water are mixed and then flow back into the reaction box through the overflow assembly. Therefore, the aerobic granular sludge accumulated on the second filtering piece flows back i