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What aspects should be considered when selecting a Roots blower?
Release time:
2020-11-18
The selection of Roots blowers has always been a headache for procurement personnel, as different usage conditions have different performance requirements for the equipment. Let's take a look at the specific aspects that should be considered:
The issue of selecting a Roots blower has always been a headache for procurement personnel, as different usage conditions have different performance requirements for the equipment. Let's take a look at the specific aspects that should be considered:
In the principles and precautions for selecting a Roots blower, multiple factors should be comprehensively considered to achieve balance. When selecting, factors such as blower operating efficiency, stability, price, daily operating and maintenance costs, and noise should be taken into account.
1. Consider the nature of the gas being transported;
Mainly used for transporting inert gases, such as clean air, flammable and explosive gases, corrosive gases, and dust-laden air, specially modified Roots blowers should be selected to ensure normal production operation and avoid accidents.
2. Choose the model reasonably.
For example, two-lobe, three-lobe, high-pressure, and water-cooled Roots blowers can be selected based on actual needs.
3. The performance of the selected blower should be appropriately higher.
When selecting equipment, we can determine the type of blower based on the required air volume and pressure. The losses of the blower under various possible conditions should be considered during selection. If there is a possibility of air leakage due to insufficient tightness in the piping system, the air volume and pressure of the piping system can be appropriately increased.
4. Consider the actual working conditions on site.
During selection, the performance parameters of the blowers listed in the product samples for Roots blower selection, unless otherwise specified, usually refer to performance parameters under standard conditions. If the performance parameters in actual use deviate significantly from standard conditions, the listed parameters should be converted according to the corresponding formulas during selection.
In addition to the above content, the next issue is the blower parameters:
1. Pressure parameters.
In the blower selection process, as long as pressure parameters are involved, they differ from other types. Pressure parameters are used to overcome pipeline resistance, commonly known as back pressure in industry. This pressure parameter is a major parameter in selection, and accurate pressure parameters should be provided as much as possible during selection.
2. Flow parameters.
Flow refers to air volume, generally measured in cubic meters per minute or cubic meters per hour. The flow parameter of a Roots blower refers to the volume of gas transported in a unit time under standard conditions.
3. Power parameters.
Different manufacturers produce different Roots blowers, so the power of each blower also varies. Power refers to axial power; the larger the axial power, the higher the efficiency. Smaller axial power losses will also increase, and consumption will also rise. If selection parameters are incomplete, the motor power can be provided to narrow the selection range.
4. Density parameters.
At higher altitudes, air tightness is low; at lower altitudes, air tightness is strong. When selecting a Roots blower, if it is at a high altitude or in a basin area, the choice of density parameters plays a certain role. The specific choice of parameters should be determined based on the air tightness.
From the above content, I believe everyone can see that equipment selection is indeed a relatively cautious issue. I hope the content shared today can help everyone. If you have any questions, you can consult our website's customer service personnel.
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