Dalian Metro Line 2 is a backbone line running through the north-south and south-west directions of the west, starting from Nanguanling Station of the Harbin-Dalian Passenger Dedicated Line in the north, and reaching Haizhiyun Park in the east.
In this project, according to Dalian's location and climatic conditions, our company provides reversible high temperature resistant variable frequency axial fans to meet the requirements of Dalian subway engineering.
The picture is from the official website of Dalian Metro, the copyright belongs to the original author
The high temperature resistant US Tedson (KDS) brand motor supporting the fan is manufactured using "H-class insulation level, IP55 protection level, and TH moisture-proof level" technology. Meet the requirements of continuous operation at 250 ℃ for 1 hour, and can withstand the hazards caused by high temperature and humidity storage conditions. At the same time, our company's patented "conjugate symmetric airfoil blade" design is adopted, so that the wind turbine can obtain substantially equal performance of forward rotation and reverse rotation. The fan casing is formed with advanced integrated flange spinning and flanging technology to ensure the roundness of the casing, improve the rigidity of the main fan, reduce the gap between the impeller and the main fan to prevent internal leakage of airflow, and improve the flow capacity of the fan. effectiveness. This is a new process in the reform of the traditional process of the fan industry (air cylinder and flange are welded and then processed), and it is also a key technical problem to solve the axial flow fan to ensure a small and uniform gap.