1.空气悬浮离心鼓风机

Air suspension centrifugal blower

空气悬浮离心鼓风机的主要部件有空气悬浮轴承、电机、变频器、放空阀等，所有部件整体安装在普通底座上，其中空气悬浮轴承是该鼓风机最关键的部件之依靠空气力场使轴承悬浮、保持高速运转，与传统轴承相比、运行时无接触、无润滑油、摩擦量小、能量损耗小;采用超高速直流电机具有无级调速、调速范围宽、结构简单、噪音低、效率高、运行平稳等特点;通过变频器调节风量风压、调节范围广、精度高，效率提高最大近 30% 以上。总之，空气悬浮离心鼓风机具有效率高、能耗低、噪音低、安装简单、维护方便等特点

The main components of an air suspension centrifugal blower include air suspension bearings, motors, frequency converters, vent valves, etc., all of which are installed on a common base as a whole. Among them, the air suspension bearings are the most critical components of the blower, relying on the air force field to suspend the bearings and maintain high-speed operation. Compared with traditional bearings, they operate without contact, lubrication oil, friction, and energy loss; The use of ultra high speed DC motors has the characteristics of stepless speed regulation, wide speed range, simple structure, low noise, high efficiency, and smooth operation; By adjusting the air volume and pressure through a frequency converter, the adjustment range is wide and the accuracy is high, resulting in a maximum efficiency improvement of nearly 30% or more. In summary, air suspension centrifugal blowers have the characteristics of high efficiency, low energy consumption, low noise, simple installation, and easy maintenance

2 空气悬浮离心鼓风机在污水处理中的应用

Application of 2 Air Suspension Centrifugal Blowers in Wastewater Treatment

在污水处理工艺中，鼓风机主要为好氧生化工艺提供氧气、维持好氧微生物的生长，其次用于混合搅拌、防止污泥沉淀、使得污染物与微生物进一步接触、去除有机物，目前，污水处理厂常用的鼓风机有罗茨风机、单机高速离心鼓风机、空气悬浮离心鼓风机等，其三种鼓风机性能比较，空气悬浮离心鼓风机较其他两种鼓风机效率高、能耗低、调节范围广、设备占地小、安装简单、维护方便，在污水处理中具有广阔的应用前景。

In sewage treatment processes, blowers are mainly used to provide oxygen for aerobic biochemical processes and maintain the growth of aerobic microorganisms. They are also used for mixing and stirring, preventing sludge sedimentation, further contact between pollutants and microorganisms, and removing organic matter. Currently, commonly used blowers in sewage treatment plants include Roots blowers, single machine high-speed centrifugal blowers, and air suspension centrifugal blowers. Compared with the other two blowers, air suspension centrifugal blowers have higher efficiency, lower energy consumption, wider adjustment range, smaller equipment footprint, simpler installation, and easier maintenance. They have broad application prospects in sewage treatment.

风量调节通过转速法和旁路放风阀法调节风量风压，调节范围小通过导叶片角度调节风量风压，调节范围 45%-100%通过变频器调节风量风压。

The air volume and pressure are adjusted through the speed method and bypass vent valve method. The adjustment range is small, and the air volume and pressure are adjusted through the angle of the guide vanes. The adjustment range is 45% -100%, and the air volume and pressure are adjusted through a frequency converter.

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