羅茨風機在同等轉速，同等電壓的情況下，功率越大，產生的壓力越大，功率等于電壓乘以電流。也就是說，在同等轉速、同等電壓的情況下，電流越大，功率越大。三相電動機的轉速是固定的，憋壓后電機負荷就大了，容易超電流，燒毀電機。羅茨風機是容積式風機，輸送的氣流與轉數成正比。三葉型葉輪每轉動一次兩個葉輪進行三次吸·排氣。與二葉型相比，氣體脈動減少，負荷變化小，機械強度高，噪音低，振動小。在兩個平行軸上設置了兩個三葉型葉輪，輪子與橢圓形底盤內孔面和各葉輪之間始終保持較小的間隔。

At the same speed and voltage of Roots blower, the greater the power, the greater the pressure. The power is equal to the voltage multiplied by the current. In other words, at the same speed and voltage, the greater the current, the greater the power. The speed of the three-phase motor is fixed. After holding the pressure, the motor load is large, which is easy to exceed the current and burn the motor. Roots fan is a positive displacement fan, and the air flow conveyed is directly proportional to the number of revolutions. Each time the three blade impeller rotates, two impellers conduct suction and exhaust for three times. Compared with the two blade type, the gas pulsation is reduced, the load change is small, the mechanical strength is high, the noise is low and the vibration is small. Two three blade impellers are arranged on the two parallel shafts, and a small spacing is always maintained between the wheel and the inner hole surface of the oval chassis and each impeller.

由于葉輪朝相反的方向以一定的速度旋轉，被箱體和葉輪包圍的一定量的氣體從吸入的一側運輸到排出的一側。因為羅茨鼓風機屬于恒流量風機，所以工作的主要參數是風量，輸出壓力取決于管道和負荷的變化，風量變化很小。羅茨風機是一種高壓風機，羅茨鼓風機是容積式風機，輸送的氣流與轉數成正比，將氣體從吸入的一側輸送到排出的一側。如果負載需要一定的壓力效果，請使用離心風機。離心風機屬于恒壓風機，所以工作的主要參數是風壓，輸出氣流取決于管道和負荷的變化，風壓變化不大。離心風機，風壓不大?？諝獾膲嚎s過程通常是在幾個工作葉輪或幾個階段的離心力的作用下進行的。離心風機屬于平方轉矩特性，羅茨風機基本屬于恒轉矩特性。

Since the impeller rotates at a certain speed in the opposite direction, a certain amount of gas surrounded by the box and impeller is transported from the suction side to the discharge side. Because roots blower belongs to constant flow fan, the main working parameter is air volume. The output pressure depends on the change of pipeline and load, and the change of air volume is very small. Roots blower is a kind of high-pressure fan. Roots blower is a positive displacement fan. The delivered air flow is directly proportional to the number of revolutions and transports the gas from the suction side to the discharge side. If the load requires a certain pressure effect, use a centrifugal fan. Centrifugal fan belongs to constant pressure fan, so the main working parameter is wind pressure. The output air flow depends on the change of pipeline and load, and the wind pressure changes little. Centrifugal fan, low wind pressure. The compression process of air is usually carried out under the action of several working impellers or several stages of centrifugal force. The centrifugal fan belongs to the square torque characteristic, and the Roots fan basically belongs to the constant torque characteristic.

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