Comparison of low-pressure Roots fan and high-pressure Roots fan, Roots fan pressure difference analysis

Roots fan is an important fluid mechanical equipment, mainly used in air compression, transportation and pressure reduction. There are usually two different types of Roots fans, low pressure Roots fans and high pressure Roots fans. These two types of fans are suitable for different industrial applications and have their own advantages and disadvantages. Here we will compare low pressure Roots fans and high pressure Roots fans and analyze their pressure differences.

Definition of a low pressure Roots fan

A low-pressure Roots fan is a type of Roots fan that can withstand lower pressures, usually with a maximum capacity of 200 kPa. The main characteristic of this type of fan is that it has a narrower output pressure range, but is extremely efficient at handling gases below 200 kPa.

Advantages of low pressure Roots fans

Because low pressure Roots fans are designed for lower pressure requirements, they are typically lighter and easier to handle than high pressure Roots fans. In addition, they are more efficient and suitable for use in air handling applications such as biomass fuels, water treatment and sludge treatment, where the pressure of the gases is not as high, making the use of low pressure Roots fans more economical.

Disadvantages of low pressure Roots fans

While low-pressure Roots fans have many advantages, they have a relatively narrow output pressure range and can only handle gas flows at lower pressures. Therefore, low pressure Roots fans are clearly not suitable for industrial locations where high pressure gases need to be handled.

Definition of a high-pressure Roots fan

High-pressure Roots fans can withstand higher pressures compared to low-pressure Roots fans. The maximum handling capacity of these fans usually exceeds 1,000 kPa, which is several or even tens of times more than that of low-pressure Roots fans. These fans are usually targeted at handling high pressure gases. For example, they can be used in unloading systems in the back of trucks to transport bulk materials from the compartment to their destination.

Advantages of high-pressure Roots fans

High pressure Roots fans are very reliable and efficient in handling high pressure gases. They are typically more durable than low-pressure Roots fans and can withstand higher pressures during transportation. In addition, high-pressure Roots fans have a wider range of output pressures and can handle gases at higher pressures.

Disadvantages of High Pressure Roots Fans

Since high-pressure Roots fans need to withstand higher pressures, they are usually more expensive and bulky than low-pressure Roots fans. In addition, due to the increase in output pressure, the noise level of high pressure Roots fans increases accordingly.

Pressure differences between low-pressure and high-pressure Roots fans

Apart from these advantages and disadvantages, the pressure difference between low pressure Roots fans and high pressure Roots fans is the biggest difference between them. Low-pressure Roots fans are typically used to handle airflow below 200 KPa, while high-pressure Roots fans can handle gas flow up to 1000 KPa and above. High-pressure Roots fans are subjected to higher pressures, so they usually require stronger externals or aerators. Low-pressure Roots fans, on the other hand, do not require such supplementary equipment, as they are subject to lower pressures.

Conclusion

In conclusion, both low-pressure Roots fans and high-pressure Roots fans have their own advantages and disadvantages and are suitable for different industrial situations. The correct selection of the right fan for the pressure requirements of the gas can be very helpful in improving the efficiency of industrial production and reducing costs. Therefore, when selecting a Roots fan, you need to understand the pressure difference between them and choose for different industrial occasions.

Henan Jiye Chang Industry Co.