磁悬浮鼓风机是一种输送气体的机械设备，其采用磁悬浮轴承、三元流叶轮、高速永磁同步电机、高效变频器调速、智能化监测控制等核心技术，启动时先悬浮后旋转，无摩擦，无需润滑，三元流叶轮与转子直联，传动零损失。是一种高科技绿色节能环保产品。磁悬浮鼓风机采用无接触、无机械摩擦的磁悬浮轴承和高速大功率永磁同步电机，直接驱动高效流体叶轮，克服了传统鼓风机和气悬浮鼓风机的缺点，具有效率高、噪音低、故障少、不需润滑系统等优点，即使磁悬浮轴承发生了故障，依靠系统中的保护轴承，仍然可以使高速旋转的转子安全停机，不会导致设备的严重损坏。

　　Magnetic levitation blower is a mechanical equipment for transporting gases. It adopts core technologies such as magnetic levitation bearings, ternary flow impellers, high-speed permanent magnet synchronous motors, high-efficiency frequency converters for speed regulation, and intelligent monitoring and control. When starting, it first suspends and then rotates without friction or lubrication. The ternary flow impellers are directly connected to the rotor, with zero transmission loss. It is a high-tech, green, energy-saving and environmentally friendly product. The magnetic levitation blower adopts non-contact and non mechanical friction magnetic levitation bearings and high-speed high-power permanent magnet synchronous motors to directly drive the high-efficiency fluid impeller, overcoming the shortcomings of traditional blowers and gas levitation blowers. It has the advantages of high efficiency, low noise, few faults, and no need for lubrication system. Even if the magnetic levitation bearing fails, relying on the protective bearings in the system, the high-speed rotating rotor can still be safely stopped without causing serious damage to the equipment.

　　一、工作原理磁悬浮鼓风机由高速电机直接驱动，由变频器来调速，利用主动式磁悬浮轴承系统，通过可控电磁力对内部转动的磁悬浮轴承进行无接触、无磨损的悬浮支撑，磁悬浮轴承与叶轮直接连接，传动零损失，以此达到成功输送气体而机器内部无磨损、低噪音、无需润滑等效果。磁悬浮轴承的功能是实现转轴悬浮。它通过内置的位置传感器检测转轴的位置信号，将此信号送入磁悬浮轴承控制器进行调理、运算和放大得到控制电流，再将该控制电流输入磁轴承，产生对转子可控的吸力，从而实现转轴的悬浮。同步永磁电机的功能是驱动转子轴的旋转。它通过变频电源产生频率可调的交变电流，将此交变电流输入电机定子即产生旋转磁场，带动转轴高速旋转。风机的功能是实现鼓风。随转轴一同做高速旋转的叶轮带动空气从涡壳的进气口进入，空气在蜗壳的导向与增压作用下成为具有一定流速与压力的气体，最后从涡壳的出气口鼓出，这就实现了风机的鼓风。

　　1、 The working principle of the magnetic levitation blower is that it is directly driven by a high-speed motor and regulated by a frequency converter. It uses an active magnetic levitation bearing system to provide non-contact and wear-resistant suspension support for the internally rotating magnetic levitation bearings through controllable electromagnetic force. The magnetic levitation bearings are directly connected to the impeller, achieving zero transmission loss and successfully conveying gas without wear, low noise, and lubrication inside the machine. The function of magnetic levitation bearings is to achieve shaft suspension. It detects the position signal of the shaft through the built-in position sensor, sends this signal to the magnetic levitation bearing controller for conditioning, calculation, and amplification to obtain the control current, and then inputs the control current into the magnetic bearing to generate controllable suction force on the rotor, thereby achieving the suspension of the shaft. The function of a synchronous permanent magnet motor is to drive the rotation of the rotor shaft. It generates an adjustable frequency alternating current through a variable frequency power supply, and inputs this alternating current into the motor stator to generate a rotating magnetic field, driving the shaft to rotate at high speed. The function of a fan is to achieve air blowing. The impeller, which rotates at high speed along with the shaft, drives air to enter from the inlet of the volute. Under the guidance and pressurization of the volute, the air becomes a gas with a certain velocity and pressure, and finally blows out from the outlet of the volute, achieving the blowing of the fan.

　　二、主要部件及结构主要部件包括高速离心叶轮、磁悬浮轴承、永磁同步电机和专用变频器四部分。该类风机采用一体化设计，其高速电机、变频器、磁悬浮轴承和微处理控制盘等均采用一体设计和集成，其核心是磁悬浮轴承和永磁电机技术。

　　2、 The main components and structures include high-speed centrifugal impellers, magnetic levitation bearings, permanent magnet synchronous motors, and dedicated frequency converters. This type of fan adopts an integrated design, with high-speed motors, frequency converters, magnetic levitation bearings, and microprocessor control panels all designed and integrated as a whole. Its core is magnetic levitation bearing and permanent magnet motor technology.

　　（1）高速离心叶轮：叶轮采用三元流动理论设计及参数优化，使叶轮效率优化，工作区域广；其材质采用高强度锻铝或钛合金，抗变形能力强；经过数控加工中心精密加工而成，防腐性能更好。

　　(1) High speed centrifugal impeller: The impeller is designed and optimized using the theory of ternary flow, resulting in optimized efficiency and a wide working area; Its material is made of high-strength forged aluminum or titanium alloy, with strong deformation resistance; Made by precision machining with a CNC machining center, it has better anti-corrosion performance.

　　（2）高速永磁同步电机。在电机的主轴上安装永磁铁，保证主轴磁性。电机的定子硅钢片缠绕的线圈，产生震荡磁力，在运转过程中转速和震荡磁场保持一致，实现同步。永磁电动机采用磁悬浮轴承，具有无机械摩擦、低噪音、低振动以及寿命长的特点，最高转速可达50000r/min。

　　(2) High speed permanent magnet synchronous motor. Install permanent magnets on the spindle of the motor to ensure spindle magnetism. The coil wound with silicon steel sheets on the stator of the motor generates oscillating magnetic force, which maintains the same speed and oscillating magnetic field during operation, achieving synchronization. The permanent magnet motor adopts magnetic levitation bearings, which have the characteristics of no mechanical friction, low noise, low vibration, and long service life. The maximum speed can reach 50000r/min.

　　（3）磁悬浮轴承。通过可控的电磁吸力使转轴稳定地悬浮，在旋转过程中转轴不受任何机械阻力，因此效率高、无磨损、无需维护、无需润滑油、输出的空气也绝不含油。

　　(3) Magnetic levitation bearings. Through controllable electromagnetic suction, the rotating shaft is stably suspended without any mechanical resistance during rotation, resulting in high efficiency, no wear, no maintenance, no need for lubricating oil, and the output air is free of oil.

　　（4）电机智能控制系统。磁悬浮鼓风机一般采用无矢量变频控制，用调节频率的方法来控制永磁电机的旋转，进而控制鼓风机的流量，满足各种工况使用。智能控制系统可以预测喘振和实现就地控制，且设备安装了GPRS系统可以实现远程监控和数据传输。

　　(4) Intelligent motor control system. Magnetic levitation blowers generally use vector free variable frequency control, which adjusts the frequency to control the rotation of the permanent magnet motor, thereby controlling the flow rate of the blower to meet various working conditions. The intelligent control system can predict surge and achieve on-site control, and the equipment installed with GPRS system can achieve remote monitoring and data transmission.

　　三、产品优势1、科技优势采用主动磁力轴承系统，无磨损、无润滑、无维护。变频器用于控制速度，可选择多种控制模式。采用先进的控制系统，可实时监控运行状态，并可远程控制，无需现场人员。采用全封闭风冷系统对电机进行加热，确保风机稳定运行。模块化设计，维护方便快捷。

　　3、 Product Advantage 1: Technological Advantage: Adopting an active magnetic bearing system, there is no wear, no lubrication, and no maintenance. The frequency converter is used to control speed and can choose multiple control modes. Adopting advanced control system, it can monitor the operating status in real time and remotely control without the need for on-site personnel. Adopting a fully enclosed air cooling system to heat the motor and ensure stable operation of the fan. Modular design, easy and fast maintenance.

　　2、环保优势磁浮鼓风机不需要润滑，输送的空气清洁。磁力轴承完全无摩擦，风机运行噪音低，不会影响周围办公和生活环境。按150KW磁浮鼓风机计算，每台鼓风机每年可减少约257吨二氧化碳排放量。

　　2. Environmental advantages: Maglev blowers do not require lubrication and deliver clean air. Magnetic bearings are completely frictionless, and the fan operates with low noise, which will not affect the surrounding office and living environment. Based on a 150KW maglev blower, each blower can reduce approximately 257 tons of carbon dioxide emissions per year.

　　3、工业大数据平台优势基于工业物联网的远程服务可以为客户提供设备整个生命周期的故障报警和在线调试体验。独特的工业大数据平台提供了丰富的算法模型，帮助用户从多个角度改善生产环节。

　　3. The advantage of industrial big data platform is that remote services based on industrial Internet of Things can provide customers with fault alarms and online debugging experience for the entire lifecycle of equipment. The unique industrial big data platform provides rich algorithm models to help users improve production processes from multiple perspectives.

　　4、节能优势与罗茨鼓风机相比，磁浮鼓风机的效率提高了30%以上。以100kW磁悬浮鼓风机为例。与罗茨风机相比，每台磁悬浮风机可节省30万千瓦时以上的电能和20万元以上的电费。

　　4. Compared with Roots blower, the efficiency of maglev blower has been improved by more than 30% due to its energy-saving advantages. Taking a 100kW magnetic levitation blower as an example. Compared with Roots blowers, each maglev blower can save over 300000 kilowatt hours of electricity and over 200000 yuan in electricity bills.

　　5、低维护成本优势磁性轴承完全无摩擦，降低了产品损坏的可能性，鼓风机的使用寿命可达到20年以上。磁悬浮鼓风机易于维护，只需定期更换过滤器。磁浮鼓风机不需要润滑系统，节省润滑油和清洁成本电机采用直接连接驱动，体积小、重量轻、节省空间。国内生产可以保证备件的及时供应。

　　5. The low maintenance cost advantage of magnetic bearings is completely frictionless, reducing the possibility of product damage. The service life of the blower can reach more than 20 years. The magnetic levitation blower is easy to maintain and only requires regular replacement of the filter. The maglev blower does not require a lubrication system, saving lubricating oil and cleaning costs. The motor is directly connected and driven, which is small in size, light in weight, and space saving. Domestic production can ensure timely supply of spare parts.

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