The principle of multi-blade centrifugal fan multi-blade centrifugal fan is to rely on the input of mechanical energy, increase gas pressure side by side to send gas machinery, it is a follower of the fluid machinery. According to the principle of converting kinetic energy as potential energy, the use of high-speed rotation of the impeller to the gas to accelerate and then decelerate to change the flow direction, so that the kinetic energy into potential energy (pressure). In a single-stage centrifugal fan, the gas from the axial into the impeller, the gas flowing through the impeller into light to change, and then enter the diffuser. The gas change the direction of flow in the diffuser, to cause a slowdown, this deceleration of the kinetic energy is converted into pressure energy. The increased pressure occurs mainly in impeller, followed by the process occurs in the diffuser. In the multi-stage centrifugal fan, with refluxing allows airflow into the next impeller, generating a higher pressure. Edit this paragraph sirocco fan of the role of multi-blade centrifugal fan is widely used in factories, mines, tunnels, cooling towers, vehicles, ships and building ventilation, dust emission and cooling; boilers and industrial furnaces, ventilation and cited The wind; air-conditioning cooling and ventilation equipment and household appliances; grain drying and sending; wind tunnel wind source and hovercraft inflatable propulsion. Foshan Sanhe Environmental Ventilation Equipment Co., Ltd. was founded in 2000, is a professional manufacturer of FRP corrosion resistant fan, plastic fan, FRP, PP mist purification tower the green ventilation equipment company; company formerly known as Guangzhou Sanhe Environmental ventilation equipment company to meet the needs of the business development, the company in 2009 from Guangzhou Panyu relocation to the Sanshui District, Foshan City, Datang Industrial Park, and renamed as Foshan Sanhe Environmental Ventilation Equipment Co., Ltd.. Foshan Sanhe Environmental Ventilation Equipment Co., Ltd. Tel :0757 -87,270,024 Mobile: 13318880325 Contact: Mr. Li Zaixiong Website: http://www.zgfengji.com/ Address: Foshan Sanshui District Datangpo Center Technology Park Hublot Road