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Does the size of the three-lobe rotary blower affect the air volume?
Release time:
2020-11-09
Many customers may purchase fan equipment that is not suitable due to many uncertain factors. For example, regarding how the model affects air volume, many people do not have a rough concept. Let's share this together.
Many customers may purchase products that are not suitable due to many uncertainties when buying fan equipment. For example, many people do not have a rough concept regarding how the model affects the air volume. Let's share some insights below.
1. The speed of the Roots blower.
In many ventilation places, the fan speed is not very high, but the air volume of the running fan is closely related to its speed, which will also affect the air volume in terms of fan speed. Generally, the speed is proportional to the air volume of the blower; when the blower speed is high, the air volume will increase, and conversely, when the speed is low. It cannot be said that the air volume of the blower is related to the speed, but there is indeed a necessary connection.
2. The size of the inlet and outlet of the Roots blower.
As mentioned above, the air volume of the blower is related to the speed, but the inlet and outlet of the blower are not necessarily so. When the inlet of the blower decreases, the air volume will also decrease, and the pressure of the blower will be the same. If the inlet increases, the air pressure of the blower will also change slightly, and the large air volume at the outlet will increase, but the opposite situation will occur. Therefore, the size of the inlet and outlet will affect the air volume, and the air pressure of the fan will also be affected.
3. The rotor of the blower.
This is definitely related. The operation of the blower depends on the rotor, and the air volume of the blower is determined by the rotation frequency of the rotor. Since the size of the blower rotor is fixed, if the distance between the rotor and the blower casing is equal to or less than 0.01 millimeters, the air volume and pressure of the blower will increase. Due to technical limitations and considering various factors such as the service life and safety of the blower, standards will be formulated accordingly.
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