High-density sedimentation tank for near-zero discharge pretreatment of liquid

• Main Author: TANG QIUXIA
• Format: Patent
• Language: Chinese; English
• Published: 02.11.2021
• 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 discloses a high-density sedimentation tank for near-zero discharge pretreatment of liquid, which is characterized in that a mud scraper, inclined tube filler and a water collecting tank are arranged in the high-density sedimentation tank, a coagulation reaction tank and a flocculation reaction tank are arranged on the right side of the high-density sedimentation tank, the lower end of a stirring shaft for driving the mud scraper to rotate is connected with a nylon shaft sleeve, the upper end of the stirring shaft penetrates through the inclined tube filler and the water collecting tank at a time, a motor is arranged at the top of the stirring shaft, a water outlet is formed in the top of the high-density sedimentation tank, a sludge reflux inlet and a water inlet are respectively formed in the rear side of the coagulation reaction tank, a coagulation tank stirrer is arranged in the coagulation reaction tank, a flocculation tank stirrer is arranged in the flocculation reaction tank, a water pass