文章來源： 作者：羅茨機電 發布時間：2022-06-10 瀏覽次數：578
First, analyze the working principle of Roots blower according to the energy saving of sewage treatment station. The air volume conveyed is proportional to the speed. Roots blower is a positive displacement blower. The three blade impeller is sucked and vented by two impellers three times per rotation. Compared with the two blade impeller, the gas pulsation is less, the load change is smaller, and the mechanical strength is higher.
2. Two three leaf impellers are set on two parallel shafts. There is always a small gap between the wheel and the inner hole surface of the oval box and each impeller. As the impellers rotate at a uniform speed in the opposite direction, the amount of gas surrounded by the box and the impeller is transmitted from the suction side to the discharge side.
3. Each impeller is always kept in the correct phase by the synchronous gear without touching each other. Therefore, it can be high-speed, does not need internal lubrication, and has stable performance, stable operation, simple structure, and is suitable for a variety of purposes. It has been used in a wide range of fields.
4. Roots blower adjusts the air volume by changing the valve opening at the outlet of the blower or the water supply by changing the opening of the regulating valve on the inlet pipeline of the water pump. The characteristic of fans and pumps is that the load torque is proportional to the square of the speed. Generally, the roots fans and pumps in the sewage treatment system operate at a constant speed.
5. The shaft power is directly proportional to the cube of the speed, so if the constant speed operation of the motor is changed to adjust the speed of the motor according to the required flow, a lot of electric energy can be saved. In the sewage treatment system, the main function of Roots blower is to flush oxygen to the biochemical system, so that the biochemical system has sufficient oxygen. An online dissolved oxygen meter is placed in the biochemical tank, and water is set on the dissolved oxygen meter.
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