Features and uses of low-speed thruster
Release time:
Jul 24,2021
The impeller diameter of the low-speed flow thruster is relatively large, which determines that the speed of the impeller cannot be too fast. Because the motor speed is very fast, the push-flow series submersible mixer must be equipped with a reducer. The reducer is a cycloidal pinwheel type. Reducer and gearbox reducer, cycloid reducer are relatively cheap, cost-effective, and suitable for most process requirements. Planetary gearbox reducer is used in places with high technological requirements.
The impeller diameter of the low-speed flow thruster is relatively large, which determines that the speed of the impeller cannot be too fast. Because the motor speed is very fast, the push-flow series submersible mixer must be equipped with a reducer. The reducer is a cycloidal pinwheel type. Reducer and gearbox reducer, cycloid reducer are relatively cheap, cost-effective, and suitable for most process requirements. Planetary gearbox reducer is used in places with high technological requirements.
Low-speed thruster
Performance characteristics of low-speed flow thruster:
1. The mixer has compact structure, simple operation and maintenance, convenient installation and maintenance, and long service life.
2. The impeller adopts a strong hydraulic design structure with high working efficiency. The swept-back blade has a self-cleaning function to prevent entanglement and clogging of debris.
3. Mixed use with aeration system can greatly reduce energy consumption, significantly increase oxygenation, and effectively prevent precipitation.
4. The insulation class of the motor winding is F, and the protection class is IP68. Imported bearings and motor anti-condensation device are selected to make the motor work safer and more reliable.
5. Two mechanical seals, made of carbon steel or stainless steel.
The purpose of low-speed thruster
The low-speed thruster is suitable for aeration tanks and anaerobic tanks of industrial and urban sewage treatment plants. Produces a strong tangential flow, which can be used for water circulation and nitrification, denitrification, and phosphorus removal stages in the water flow.
The low-speed push-flow mixer is suitable for the process flow of sewage treatment plants, promotes the mixing of suspended solids in sewage, slurry, industrial process liquids, etc., generates water flow, strengthens the mixing function, and prevents sludge precipitation. It is a municipal and industrial sewage treatment Craft. Important equipment on board: divided into hybrid submersible mixer and submersible propulsion mixer.
The low-speed thruster should be able to operate normally and continuously under the following conditions:
1. The temperature of the medium does not exceed 40°C.
2. The PH value of the medium is between 5 and 9;
3. The density of the liquid does not exceed 1150kg/m3;
4. For long-term diving operations, the diving depth is generally not more than 20m.
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