Air flow is offset under actions of the blade-lattice surfaces after entering the blade-lattice air passages, and dust in air can be collected in the grooves under actions of inertia force.
气流进入叶栅槽道后，在叶栅型面作用下，气流发生偏移，空气中的沙尘在贯性力作用下被收集在型槽中。
Based on the dependence of gas flow drag force on ash accumulation for rotary air heater, the converted pressure drop is proposed and ash monitoring model is derived.
基于回转式空气预热器受热面积灰程度与烟气侧流动阻力间的依赖关系及其相关影响因素，提出了折算压差的概念，推导了积灰监测的计算模型。
A cyclone flow generates in the blower duct (20) by the first air inflow hole (31) and the suction force of the blower box.
利用该第一空气流入孔(31)和上述吸气箱的吸引力，在吸气管道(20)内产生旋流。
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