QUZHOU ZHONGYI CHEMICALS CO.,LTD
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Submersible mixers can be divided into two types: hybrid submersible mixers and low-speed submersible propulsion mixers. The hybrid submersible mixer usually adopts a multi pole motor and a direct connection structure, which has the characteristics of low energy consumption and high efficiency. Its impeller is precision cast or stamped, with high precision, high thrust, beautiful and smooth appearance, and compact structure. The low-speed submersible propulsion mixer adopts a cycloidal pinwheel reducer or gear reducer, equipped with low power, low speed, large impeller diameter, and wide service area. The impeller is made of polyurethane material and aluminum alloy (some also use fiberglass material), which has the characteristics of high strength and strong corrosion resistance. In addition to stirring, it can also have the functions of pushing and creating water flow.
Application
Submersible mixers are widely used in the process flow of sewage treatment plants to promote the mixing of wastewater containing suspended solids, dilute slurry, industrial process liquids, etc., create water flow, enhance mixing function, prevent sludge sedimentation and blind spots. Submersible thrusters are mainly used for aeration tank 1 in sewage treatment plants.
Selection and Installation
The selection of a submersible mixer needs to consider factors such as pool type (pool length x width x height and water depth) and the characteristics, viscosity, density, and solid content of the mixing medium. During installation, attention should be paid to the guide rod and horizontal and vertical alignment. When lifting the submersible mixer, the impeller end should be tilted 5-10 above the horizontal plane. By adjusting the chain on the lifting device, the submersible mixer can slide down along the guide rod or guide wire, and the lifting center of gravity of the lifting hook and submersible mixer should be on the same vertical line.
Maintenance and upkeep
Under specified conditions, the average operating time of the submersible mixer before failure is not less than 15000 hours, and the overall service life of the machine is not less than 20 years. In order to ensure the normal operation of the submersible mixer, regular maintenance and upkeep are required, including checking the reliability of the mechanical seal, the condition of the cable sealing head, and the insulation level of the motor winding.
In summary, the submersible mixer is an important equipment in the sewage treatment process. Through its unique design and efficient mixing capacity, it can effectively treat suspended solids and sludge in sewage, ensuring the quality and efficiency of sewage treatmen