1、 Brief introduction

Magnetic levitation blower adopts magnetic levitation bearing, which has no contact loss and mechanical loss, and realizes stepless speed regulation of high speed, and the fan has high operating efficiency; At the same time, the machine is directly driven by high-speed permanent magnet motor, and the * * three-dimensional flow impeller is directly installed on the main shaft of the high-speed motor. The whole set of equipment integrates permanent magnet synchronous DC motor, electric drive magnetic bearing, high-speed frequency conversion, electromagnetic filter closed cooling cycle and automatic control integration technology, and the equipment has no friction during operation. The equipment runs smoothly and is easy to install without maintenance.

2、 Working principle

Magnetic levitation blower is a kind of turbine equipment using magnetic levitation bearing. Its main structure is that the impeller of the blower is directly installed on the extension end of the motor shaft, and the rotor is vertically suspended on the active magnetic bearing controller. It does not need a speed reducer and a coupling to realize a single-stage high-speed centrifugal blower driven directly by a high-speed motor and regulated by a frequency converter.

3、 Advantages

① High efficiency:

It is driven by * * centrifugal impeller + * * synchronous permanent magnet motor designed independently

② Low noise and small vibration:

Due to the advanced magnetic bearing system, the rotating parts and the mechanical system have no contact, no mechanical friction, stable operation, small vibration and low noise.

③ No maintenance required:

Because the advanced magnetic bearing technology is adopted, the complicated gear box and oil bearing necessary for the traditional fan are saved, so there is no lubricating oil and no mechanical maintenance. It effectively reduces the maintenance cost of users and improves the stability of the aeration system and the operation of the whole sewage treatment plant.

④ Simple installation:

The magnetic levitation fan is light in weight and small in volume. It does not need large lifting equipment, and two technicians can easily complete the installation work.

⑤ Easy to maintain:

Daily maintenance only needs to replace the air filter, which is convenient and simple.

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