Precipitation device for continuously treating wastewater and wastewater treatment method

• Main Authors: PAN YONGKE, FU LICAI, NING ZHONGPEI, XU QIKUI, GU KAIDE, JIANG DIYONG, LIU KONGMAN, ZHOU XIJIANG
• Format: Patent
• Language: Chinese; English
• Published: 21.04.2023
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention discloses a precipitation device for continuously treating wastewater and a wastewater treatment method. The precipitation device comprises a precipitation area, a settling area and a supernatant area, the precipitation area is communicated with the lower side of the settling area, and a feeding hole is formed in the upper part of the precipitation area; the sedimentation area is communicated with the supernatant area through a supernatant overflow port positioned at the upper part, a flow slowing assembly is mounted in the sedimentation area, and a sediment outlet is formed in the bottom of the sedimentation area; a supernate outlet is formed in the upper part of the supernate area; a liftable stirrer is mounted in the precipitation area, and the wastewater treatment method is based on the precipitation device. The device is reasonable in design and ingenious in structure, is used for continuously treating fluoride-containing wastewater, and solves the problems of high energy consumption and hi