Carbon Steel Rotary Tri Lobe Roots Blower 85-95% Efficiency Color Custom

Roots Air Blower Tri Lobe Roots Blower Roots Rotary Blower Carbon Steel Material Aeration Blower Sewage Plant

Roots blower operation adjustment:

According to the theory of fluid mechanics, the flow process of gas will be accompanied by losses. For example, after the gas flows through the throttle device, the pressure of the airflow will be reduced accordingly, that is, they lose the useful work of the fan. Since all this occurs in the process of conveying gas by the fan, the energy of the fan is wasted.

The working condition point of the fan is the intersection point of the performance curve of the fan at a certain speed and the resistance characteristic line of the pipe network. When the fan is actually running, it does not always stay at the design working condition point. It will change with the needs of users or changes in external conditions, that is, the fan is actually working under variable conditions. In order to make the wind pressure or air volume of the fan reach a certain target value, it is necessary to artificially control the fan or pipe network, also known as regulation. Through effective regulation, under the condition of ensuring the stable work of the fan, it is necessary to meet the requirements of production on flow or pressure, and to maximize energy saving. In short, the purpose of regulation is to meet the performance requirements, expand (stable) working conditions, achieve energy saving, and prevent surge.

The fan can achieve the same purpose with different adjustment methods, but the energy saving effect is different.

According to the theoretical analysis and practical proof, the following four conclusions can be drawn.

1. For blower and compressor, outlet throttle regulation consumes the most power. Although the relative flow rate Qr (the ratio of the actual flow rate Q to the designed flow rate Q0) decreases, the power also decreases accordingly. For example, when Q= 0.65Q0, the corresponding power is reduced to about 80% of the original, but compared with other regulation methods, the energy consumption still ranks first.

2. If the relative flow rate changes little (or the adjustment depth hour), there is little difference in the power consumption of several adjustment methods. That is, the regulation mode has little effect on energy-saving effect, and even not only does not save energy, but also consumes more power due to the existence of the regulation device (such as hydraulic coupler).

3. In general, the greater the adjustment depth, the more significant the energy-saving effect. Therefore, the adjustment method should be carefully selected in order to obtain the maximum benefit.

4. The variable speed regulation curve is close to the ideal curve. Therefore, the variable speed regulation mode is superior, especially the energy-saving scheme of variable frequency motor speed regulation is the best, but the frequency conversion device needs to be added. Frequency conversion speed regulation is recommended for small and medium-sized capacity; Due to the high price of large capacity and high voltage frequency conversion speed regulation device, it should be combined with the specific situation and comprehensive comparison to decide the choice. In short, it is necessary to consider not only the adjustment performance, but also the initial investment of equipment, reliability and economy, etc., to comprehensively evaluate the advantages and disadvantages of the adjustment method.

 
Key Features 

• Impeller diameter: 90~3500 mm 
• Speed of mainshaft: 560~2900 rpm
• Pressure range: 3000~25425 Pa
• Flow range: 1297~83305 m3/h
• Air Temperature: 20~1000 Celsius degree

• Material: Cast Iron, Carbon Steel, Stainless Steel.

• Efficiency: 80%-90%

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