Multi-stage filtering device for sewage treatment

• Main Authors: LIU LIANGLIANG, LIU RUNYING
• Format: Patent
• Language: Chinese; English
• Published: 14.06.2024
• Subjects: CHEMISTRY; METALLURGY; MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model relates to the technical field of sewage treatment, in particular to a multistage filtering device for sewage treatment, which is characterized in that a box body is divided into a filtering cavity and a treatment cavity from top to bottom, a first water inlet is arranged at the top of the filtering cavity, a first water outlet is arranged at the bottom of the treatment cavity, and the filtering cavity is communicated with the treatment cavity through a pipeline; the first filter plate is obliquely arranged below the first water inlet; the scraping assembly is arranged in the filtering cavity above the first filtering plate and is used for cleaning impurities on the first filtering plate; the dosing pipe is communicated with the interior of the treatment cavity; the stirring assembly is arranged in the treatment cavity; a second water inlet formed in the first side of the settling tank is communicated with the first water outlet, and a second water outlet is formed in the second side of the