罗茨鼓风机的电动机通过V型带(或联轴器)带动主动轴，由主动轴通百过齿轮箱内的同步齿轮的作用，使机体内的两三叶型叶轮呈反方向旋转。叶轮相互之间及叶轮与机体之间有一定的工作隙，当两叶轮旋转时，则无内压缩地将机体内的气度体由进气腔推送至排气腔后排出机体，达到曝气作用。罗茨鼓风机作为回转式机械，具有比较稳定的工作特性，罗茨鼓风机转子与转子、转子与泵体、转子与侧盖之间都有微小间隙，因而工作腔内没有摩擦，无接触磨损部分；三叶罗茨鼓风机经济耐用，内无需润滑，使用寿命长，动力平衡性好。运转一周有六次吸排气过程，容积效率高。结构简单，使用维护方便，不需要内部润滑，输送的介质不含油等特点。不仅节省了维修费用，还增加了使用寿命，这样的节容能效果显著。

　　The electric motor of the Roots blower drives the active shaft through a V-belt (or coupling), and the two or three blade impellers inside the machine rotate in the opposite direction through the synchronous gear inside the gearbox. There is a certain working gap between the impellers and between the impellers and the body. When the two impellers rotate, they push the air mass inside the body from the intake chamber to the exhaust chamber without internal compression, and then discharge it from the body, achieving aeration. As a rotary machinery, Roots blower has relatively stable working characteristics. There are small gaps between the rotors of Roots blower, rotor and pump body, and rotor and side cover, so there is no friction or contact wear in the working chamber; Three leaf Roots blower is economical and durable, does not require lubrication inside, has a long service life, and has good power balance. Running six times a week for suction and exhaust processes, with high volumetric efficiency. The structure is simple, easy to use and maintain, does not require internal lubrication, and the conveyed medium does not contain oil. Not only does it save maintenance costs, but it also increases the service life, which has a significant energy-saving effect.

　　1.想要高压罗茨鼓风机省电高效，至关重要的一点就是合理选择高压罗茨鼓风机型号，选择合适其工作环境应配置的风压风量等参数信息，不使高压罗茨鼓风机在低效区进行。

　　1. In order to save energy and improve efficiency of high-pressure Roots blowers, it is crucial to choose a reasonable model of high-pressure Roots blower, select appropriate parameters such as wind pressure and air volume that should be configured for its working environment, and avoid operating the high-pressure Roots blower in low efficiency areas.

　　2.尽量减小管网的阻力，合理选择管道的尺寸以及管道的安装位置，集流器的配备上也是建议选用质量优等的进口集流器。

　　2. Try to minimize the resistance of the pipeline network, choose the size and installation position of the pipeline reasonably, and it is also recommended to use high-quality imported collectors for the installation of collectors.

　　3.对于单独适用的高压罗茨鼓风机叶轮，一定要配备合适的风机专用的电机，从根源上避免出现电机设备输出的功率与用负荷不成比例的大马拉小车的现象。

　　3. For high-pressure Roots blower impellers that are individually applicable, it is necessary to equip them with suitable fan specific motors to avoid the phenomenon of large horses pulling small cars out of proportion between the output power of the motor equipment and the load from the root.

　　4.风筒与叶片顶部的径向间距也是影响高压罗茨鼓风机耗电情况的一个因素，一定要合理控制。罗茨鼓风机运行中的摩擦原因：

　　4. The radial distance between the air duct and the top of the blades is also a factor that affects the power consumption of high-pressure Roots blowers, and must be controlled reasonably. Friction reasons during the operation of Roots blower:

　　罗茨鼓风机在运转过程中注意事项是罗茨鼓风机运转过程中，须经常检查轴承。罗茨鼓风机设备中润滑油温度。电流表的示值。罗茨鼓风机需用冷却水时应检查冷却水量是否达到规定的要求。风机有填料密封时，还应检查密封的泄漏情况，当泄漏严重时，应立即更换密封，以免危险气体泄漏引发安全事故，且腐蚀气体的泄漏也会损坏轴承。

　　The precautions during the operation of Roots blower are to regularly check the bearings. Lubricating oil temperature in Roots blower equipment. The reading of the ammeter. When the Roots blower requires cooling water, it should be checked whether the cooling water volume meets the specified requirements. When the fan has a packing seal, the leakage of the seal should also be checked. When the leakage is severe, the seal should be replaced immediately to avoid safety accidents caused by dangerous gas leakage, and the leakage of corrosive gas can also damage the bearings.

　　罗茨鼓风机运转中须注意电流表的示值，如出现异常应立即停车检查，其原因大多是由版叶轮摩擦引起的。不要以为运转中的罗茨鼓风机不需要看着，恰恰相反更应该好好地看着，要不稍微不注意就会造成风机的损坏，影响正常的权使用。

　　During the operation of the Roots blower, attention should be paid to the reading on the ammeter. If any abnormalities occur, the machine should be stopped immediately for inspection. The cause is mostly due to the friction of the impeller. Don't think that the Roots blower in operation doesn't need to be watched, on the contrary, it should be watched carefully, otherwise a slight carelessness can cause damage to the fan and affect normal use.

　　罗茨鼓风机的构造结构简单，机壳内只有两个转子，运行中的摩擦现象可分为三类：即转子相互之间的摩擦、两转子与外壳的摩擦、两转子端面与壁板的摩擦，其摩擦原因如下：

　　The structure of Roots blower is simple, with only two rotors inside the casing. Friction phenomena during operation can be divided into three categories: friction between rotors, friction between rotors and the casing, and friction between rotor end faces and wall panels. The reasons for friction are as follows:

　　1.轴的刚性不够。罗茨鼓风机在旋转时，若主、从动轴的刚性不够，产生了扭转变形(此变形是在弹性限度以内)，而使两转子之间或转子与机壳之间产生摩擦。此时，应对轴重新处理，提高刚性或更换刚性强的轴。

　　1. The rigidity of the shaft is insufficient. When the Roots blower rotates, if the rigidity of the main and driven shafts is not sufficient, torsional deformation occurs (this deformation is within the elastic limit), causing friction between the two rotors or between the rotor and the casing. At this point, the shaft should be reprocessed to increase rigidity or replaced with a shaft with stronger rigidity.

　　2.齿轮磨损。特别是鼓风机两转子水平放置时，由于齿轮磨损以后，使两转子位置发生了变化，致使两转子之间摩擦。此时，应检修齿轮或更换新齿轮。

　　2. Gear wear. Especially when the two rotors of the blower are placed horizontally, the position of the two rotors changes due to gear wear, resulting in friction between the two rotors. At this point, the gears should be inspected or replaced with new ones.

　　3.齿轮键槽与键松动。由于键槽与键发生了松动，也会使两转子位置变化，而使转子之间产生摩擦。此时，应修理键或换新键，使之不松动。

　　3. The gear keyway and key are loose. Due to the loosening of the keyway and key, it can also cause a change in the position of the two rotors, resulting in friction between the rotors. At this point, the key should be repaired or replaced to prevent it from loosening.

　　4.轴承间隙超过规定的技术要求，输送气体中有硬性杂质，都会引起转子之间的摩擦。此时，应重新调整轴承间隙或清除气体中杂质。

　　4. Bearing clearance exceeding the specified technical requirements and the presence of hard impurities in the transported gas can cause friction between rotors. At this point, the bearing clearance should be readjusted or impurities in the gas should be removed.

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