Henan sewage treatment aeration fan selection 125 aeration fan characteristics

> Henan sewage treatment aeration fan selection Aeration fan characteristics
Nowadays Roots blowers are widely used in power plants, cement plants, steel plants, chemical plants, sewage treatment plants and other industries. Among them, sewage treatment is a common aspect in industry and an aspect that the environmental protection industry attaches great importance to. Let’s talk about the knowledge of sewage treatment selection.
When selecting Roots blowers for sewage treatment, we will generally provide you with the air volume, pressure and other parameters of the fan you want to purchase based on your specific working conditions, so that we can select a suitable fan for you. But in addition, we should also pay attention to the following points:
) Applicability of water treatment fans: When the sewage treatment system is newly opened, the system pressure is basically within the design range. As the use time increases, due to the expansion of the aeration holes, Factors such as corrosion that blocks valves and pipes increase the resistance of the entire system. At this point, the positive displacement blower is obviously better than the centrifugal fan because the flow rate of the positive displacement blower is a hard characteristic. When the external system resistance increases, its outlet pressure also increases, thereby discharging the gas while the flow rate is almost constant (at the fan intensity) and motor power is sufficient) Since the centrifugal fan pressure is a hard characteristic, the air volume decreases with the increase of resistance. When the resistance increases to a certain pressure, aeration will not be possible.
) Water treatment fans need to save energy: In the entire sewage treatment project, the energy consumed by the water treatment fans accounts for more than half of the energy consumed by the entire system, so the selection of the fan is particularly important.
) Water treatment fans need low noise: sewage treatment is to protect the environment and cannot bring secondary pollution to the environment for sewage treatment. Therefore, the noise of water treatment fans must be carefully considered when using water treatment fans.
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