The noise is a bit loud
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The Roots blower is a bit large in size. Part of the air cannot be used up and is discharged from the valve next to it. The noise is a bit loud. What is the problem and how to solve it?
Just add a silencer after the valve!
Just equip it with a vent silencer.
The pressure in front of the vent valve is too high. There are two solutions. First, install a regulating valve in front of the valve to reduce the vent pressure. Second, install a silencer behind the valve. From an economic point of view, it is more reasonable to install a silencer behind the valve.
The pressure in front of the vent valve is too high. There are two solutions. First, install a regulating valve in front of the valve to reduce the vent pressure. Second, install a silencer behind the valve. From an economic point of view, it is more reasonable to install a silencer behind the valve.
Commonly used blowers in blast aeration systems are Roots blowers and centrifugal fans. Roots blowers are commonly used in small and medium-sized sewage plants. The air volume of a single unit is less than 80 m3/min. The disadvantage is that it is noisy, and noise reduction and sound insulation measures must be taken. When the air volume of a single machine is greater than 80 m3/min, centrifugal blowers are generally used, which have lower noise and higher efficiency, and are suitable for large and medium-sized sewage plants.
The owner also wants to install a frequency converter to reduce energy consumption. Is this feasible?
If you use variable frequency, it depends on your actual working conditions. It is theoretically feasible.
Plumbing system problems: The pipe diameter of the vent valve is small, and the flow velocity behind the valve is about 150m/s, which is also the reason for the relatively loud noise.