Why SBR process is preferred Magnetic suspension blower SBR is the abbreviation of sequencing batch activated sludge process, which is an activated sludge sewage treatment technology operated by intermittent aeration. Its main feature is orderly and intermittent operation in operation. The core of SBR technology is the SBR reaction tank, which integrates homogenization, primary sedimentation, biodegradation, secondary sedimentation and other functions in the first tank, without sludge return system. It is especially suitable for occasions with insufficient construction space, intermittent discharge and large flow change.

SBR process is widely used in the treatment of coal chemical wastewater in China, mainly including five steps: water inflow, reaction, sedimentation, drainage and idle. SBR process adopts intermittent aeration. In order to ensure the aeration effect of each SBR reactor, one SBR reactor is usually equipped with one blower for aeration operation.

As a new type of energy-saving fan, the magnetic suspension blower can save 30%~50% electricity compared with the conventional Roots blower and multi-stage centrifugal blower. In recent years, it has been widely used in the aeration process of sewage treatment. The aeration in the SBR process requires intermittent aeration, that is, frequent startup and shutdown of fans. After frequent startup and shutdown of traditional fans, bearings are easily damaged, affecting performance and life.

Reitz Magnetic suspension blower The magnetic suspension bearing is used. When starting, the rotor is suspended first and then rotated. There is no friction. Frequent start and stop have no effect. It is especially suitable for aeration in SBR process.

The air suspension fan is that when the blower rotor rotates at a high speed, the air will produce a dynamic pressure effect on the surface of the rotor and foil bearing, forming a high-pressure air film to float the rotor. At low speed, there will be friction, and frequent starting and stopping will have some impact. Therefore, the common fan in the SBR process is the magnetic suspension blower.