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離心通風機在運行中有哪些損失?

來源： | 發布日期：2022-12-10

答:離心風機运转时，气体从进气口轴向吸入，然后经 90°折转进入叶道，通过旋轉葉輪獲得能量。由蝸殼集中、導流，從出氣口排出。因流道比較複雜，氣流在流道過程中必然産生多種損失。這些損失大致可分爲流動損失、泄漏損失、輪阻損失和機械損失。

1. 流动损失

流動損失的主要原因在于氣體的粘性。離心風機的通流部分從進口到出口，由許多不同形狀的流道組成，在整個流動過程中1一方面存在沿程摩擦阻力損失，另一方面還因邊界層分離，産生渦流損失(邊界層分離高、二次渦、尾迹等)。

2. 泄漏损失

離心通風機的靜止元件和轉動部件間必須保持一定的間隙，以保證風機運行的可靠性，而這些間隙都必然引起气流(流量)的泄漏損失。

3. 轮阻损失

因为气体具有粘性，当叶轮旋转时，引起气体与叶轮前、后盘外侧和轮缘与周围气体产生摩擦，因此而产生的损失，称为轮阻损失，或称轮盘摩擦損失。

可瑞斯離心風機深耕十年設計與制造，更多産品和問題可咨詢可咨詢客服：18248427212。

【本文標簽】離心風機高壓風機防爆風機玻璃鋼風機高溫風機

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上一篇：用什么方法控制離心風機的噪声?

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離心風機高壓風機防爆風機玻璃鋼風機高溫風機

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