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Examining the Benefits of Retrofitting Centrifugal Fan Rotors: Improvements to Fan Efficiency Offer Attractive ROIs

机译:研究改造离心风机转子的好处:提高风机效率可提供有吸引力的投资回报率

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This article explains how different flow control methods, inlet dampers versus variable frequency drives (VFDs), affect a fan's efficiency and plant operating costs. Case studies provide an understanding of the data required to assess eligibility for fan efficiency retrofits. Opportunities for retrofit are practical when fans are oversized, processes are changed, or equipment is being added to the system. Benefits of energy-efficiency retrofits can be predicted from field studies and a return on investment (ROI) determined. Whether fan casing, ductwork, and existing motors and motor components can be reused is considered in the cost analysis. Rebates and incentives from local utilities that can contribute funding to help provide the necessary returns are also explored. This article compares predicted ROI to actual field results. .
机译:本文介绍了不同的流量控制方法(进气风门与变频驱动器(VFD))如何影响风扇的效率和工厂运营成本。案例研究可帮助您评估评估风扇效率改造是否合格所需的数据。当风扇过大,过程更改或向系统中添加设备时,进行改造的机会就很实用。可以从现场研究中预测节能改造的好处,并确定投资回报率(ROI)。在成本分析中考虑是否可以重复使用风扇外壳,风管系统以及现有的电动机和电动机组件。还探讨了当地公用事业公司可以提供资金以帮助提供必要回报的回扣和激励措施。本文将预测的ROI与实际的现场结果进行了比较。 。

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