Product range: QJB-W nitrification liquid reflux pump, sludge return pump is handling Equipment Co., Ltd. Nanjing Lan river in submersible mixer technology on the basis of the production and development of new products, the pump for secondary sewage treatment plant was refluxed anti nitrification and denitrification of special equipment, can also be used to purify water is pumped ground drainage; irrigation and control of the waterway system; wastewater treatment process or mud suction recirculation loop needs micro head, high flow areas. Conditions of Use: 1, continuous operation, the medium temperature is not higher than 40 ℃; 2, medium PH value 6-9. 3. Maximum submergence 10m. How to order: Structure Description: Specially designed equipment components and spare parts so that the sludge return pump to achieve the best performance. 1, the cable: cable with special watertight cable; 2, junction box: junction box is completely closed, and the surrounding liquid and the stator case is isolated; 3, the motor: 50Hz three-phase squirrel cage induction motor diving, F class insulation, Protection class IP68. Motor cooled by the surrounding medium; 4-axis: the motor shaft made of stainless steel rotor for balancing test; 5. Seal: O-ring for static sealing. Shaft seal for mechanical seal, the oil chamber and the surrounding dielectric isolation; 6, bearings: imported bearings, the design life of up to 100,000 hours; 7, the oil chamber: oil for lubrication and cooling mechanical seal friction and isolation permeate; 8, Impeller: the impeller blades have three blades wide and thin, smooth surface was swept style, efficient and unhindered operation, and has self-cleaning function; 9, import drogue: The purpose is to import the cone formation The best flow state; 10, discharge fitting: discharge fitting for the inlet of the cone is fixed to the outlet pipe; 11, guiding means: guiding device consists of two tubes (ducts) and the upper conduit clamp formed. Features: 1, according to the lower head, high flow specially designed, high efficiency; 2, anti-clogging, winding, reliable; 3, using the latest sealing material can be safely more than 10,000 hours of continuous operation; 4, compact structure, installation and maintenance convenient; 5, host stamping structure, small size, high accuracy, corrosion resistance no noise; 6, equipped with a drain leakage and motor overload protection (alarm) system to ensure product safety and reliability. The main performance parameters: Performance curve: Installation: 1. Proper installation is essential to ensure that the pump can be a long, normal operation. 2. sludge return pump with automatic coupling installation system without any mechanical lifting device can be quickly disassembled for inspection and maintenance, quick and easy installation. 3. In addition to the equipment required embedded wall pipe, the guide rod, since all steel hanger bolt connection with the cell body, no embedded parts. 4. embedded parts procurement and shoot the door installed by the user, the user should pay attention to order. Product dimensions: Installation diagram: Selection Inquiry must provide the number of power flow, head how much?? Or wear a tube wall and shoot the door? Material requirements? In the sewage treatment process, the process uses A2 + o2 + biological treatment, nitrification liquid reflux pump ask what role is largely