The localization of Maglev blower has always been a difficult problem that cannot be solved in China. The key problem of Z is the lack of Maglev bearing technology. The research of magnetic bearing in China started late, and it was difficult to tackle key technical problems and developed slowly, so it was impossible to apply magnetic bearing technology to blower.

Tianrui heavy industry adopts the independent research and development method. After years of efforts, through the analysis of the blower structure and the working principle of the blower, it has developed a magnetic levitation high-speed motor suitable for the blower. After overcoming numerous difficulties, Z finally succeeded. There are 55 patents, including nearly 10 invention patents and several proprietary technologies. This achievement has filled the domestic gap, completely broken the foreign technology monopoly, and opened the prelude to the localization and industrial application of Maglev blower.

In the traditional sewage treatment facilities, the blower accounts for 50% - 70% of the total energy consumption of the water plant. Generally, 2-5 blowers are required to input air into the aeration tank so that bacteria can decompose organic waste. For each fan, the energy consumption accounts for 80% of its life cycle cost. The blower is the key equipment in the aeration process of sewage treatment, and the energy-saving efficiency directly affects the efficiency of the water plant. As of 2015, there are more than 5000 sewage treatment plants in China. With the development of urbanization and the improvement of sewage treatment rate, the energy consumption of urban sewage treatment plants will be more and more large. Therefore, it is necessary to formulate the energy consumption quota standard for sewage treatment unit products, which has great guiding significance for the construction of a conservation oriented society in China. This also means that the state should formulate and issue more stringent energy consumption standards for sewage treatment plants.

Maglev blower is a perfect combination of multi-disciplinary technology. Magnetic bearing, no contact, no friction, no lubrication, power consumption only 0.45KW. At the same time, the transmission loss is completely eliminated, and the rotation speed is up to 30000rpm. Compared with the traditional fan, the efficiency is increased by 10% - 30%, and the energy consumption is saved by more than 30%. A single fan can save 180 tons of standard coal per year and reduce 475 tons of carbon dioxide emissions.

The maglev blower has been produced on a large scale and has been applied in many sewage treatment plants across the country, with stable operation and obvious energy saving effect.

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