Waste water purifier and control method thereof

• Main Authors: ZHU HUAIDE, LIU YONGFU, OU XIAOWEN
• Format: Patent
• Language: Chinese; English
• Published: 02.11.2018
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention discloses a waste water purifier and a control method thereof. The waste water purifier comprises a closed box body, wherein a vapor-liquid mixing pump and a gas dissolving tank are arranged outside the closed box body, the lower part of the closed box body is a mixing and precipitating cabin, the middle part of the closed box body is a clear water collection cabin, and the upper part of the closed box body is a sludge discharging area; an air-floatation contact chamber is arranged in the closed box body, an inlet of the air-floatation contact chamber is connected with an outletof the mixing and precipitating cabin, a cross sectional area of the air-floatation contact chamber is gradually increased from bottom to top, and the cross sectional area of the sludge discharging area is gradually reduced from bottom to top; and the mixing and precipitating cabin is provided with a water inlet and a dissolved gas water inlet, one end of the gas dissolving tank is connected withthe dissolved gas water in