hanqiEvaCentrifugal ventilation blower fansCentrifugal fans are widely used for ventilation, dust removal and cooling in factories, mines, tunnels, cooling towers, vehicles, ships…Jun 6, 2022Jun 6, 2022
hanqiEvaTunnel inverter contra-rotating fans for construction are being shipped!Air volume:198000 m³/h RPM:1450 r/min Pressure:5920 PaMay 30, 2022May 30, 2022
hanqiEvaWork flow of tunnel fanTunnel fans are usually hung on the top or both sides of the tunnel, which do not occupy the traffic area, do not need to build another air…May 18, 2022May 18, 2022
hanqiEvaAnalysis on the cause of violent vibration of tunnel fanTunnel fan in use process, because the air pressure inside the tunnel instability of air flow through the tunnel fan, can lead to appear…May 13, 2022May 13, 2022
hanqiEvaMaintenance skills of centrifugal fansCleaning and maintenance of the shell: When repairing the centrifugal fan, it is necessary to carefully observe the shell of the…May 12, 2022May 12, 2022
hanqiEvaMine ventilation fanMine energy-saving ventilator! It is mainly used for main fan and auxiliary fan ventilation on the ground or underground in metal mines and…May 11, 2022May 11, 2022
hanqiEva1. Cleaning and maintenance of the shell: When repairing the centrifugal fan, it is necessary to…2. If there is a lining plate in the casing of the centrifugal fan, the lining plate inside has been worn, then it is necessary to repair…May 10, 2022May 10, 2022
hanqiEvaVentilation fans for mine and coalChina Shandong Hanqi manufacture and export kinds of mine fans for many years.May 10, 2022May 10, 2022
hanqiEvaOur catalogue of tunnel fans！This product is mainly used for highway, Mine , subway and other tunnel ventilation system, can also be used in metallurgy, chemical…May 9, 2022May 9, 2022
