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Principle and function and structural features work centrifugal fan
2015-06-08 Reads : 8
[Works] centrifugal fan centrifugal fan is based on the principle of potential energy is converted to kinetic energy, the use of high-speed rotation of the impeller the gas to accelerate and then decelerate, change the flow of the kinetic energy into potential energy (pressure). In the single-stage centrifugal fan, the gas enters the impeller in the axial direction, changing the gas flow through a radial impeller, and then into the diffuser. In the diffuser, the gas flow direction changes cause deceleration that the deceleration effect the kinetic energy is converted into pressure energy. Pressure increased mainly in impeller, diffuser happens next in the process. In the multi-stage centrifugal fan, the reflux stream allows the impeller to the next, resulting in a higher pressure. [Role] centrifugal fan centrifugal fan and turbine compressor works basically the same, are due to the low gas flow rate, pressure changes little, generally do not need to consider changes in specific volume of gas, that gas as incompressible fluid handling . Centrifugal fans can be made right-handed and left-handed two types. Elevation from the motor side, the impeller rotates clockwise rotating fan called the right, counterclockwise rotation of the impeller, called the left rotary fan. [Construction] centrifugal fan centrifugal fan from the chassis, the spindle, impellers, bearings and electrical transmission and other components. Chassis: made of sheet steel rugged and reliable, it can divide the overall style and semi-open, semi-open for easy maintenance. Impeller: by the blade, curved front plate and the plate after the plate components. Rotor: static balance and dynamic balance should be done to ensure smooth rotation, good performance. Transmission parts: a main shaft, bearing box, bearing and pulley (or couplings) component.
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You are the 10200 visitor
Copyright © GuangDong ICP No. 10089450, Dekun Taixing Environmental Protection Machinery Co., Ltd. All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
AllSources Network's Disclaimer: The legitimacy of the enterprise information does not undertake any guarantee responsibility