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一般脉冲气力输送,其发送器锥形底锥角较小,以利于物料流出,因此发送器外形瘦长,且常开有“流化”小孔,使设计制造复杂。反冲式脉冲气力输送即使输送粘性物料,发送器底部锥角仍可取得较大。这就降低了发送器高度,使之便于安装布置。由于省去了“流化”小孔,发送器制造工艺简化。本文比较了这两种输送方式,认为反冲式脉冲气力输送除仍保持一般脉冲气力输送的特点外,其输送混合比高于一般脉冲气力输送,从而使能耗进一步降低。此外其输送工艺可靠性也高于常规脉冲气力输送。结论是这种输送方式不但实用可靠’__还能输送一般脉冲气力输送不能输送的某些粘性物料,所以是一种值得推广的新型输送方式。
General impulse pneumatic conveying, the cone angle of the cone bottom is smaller, in order to facilitate the material outflow, so the transmitter elongated shape, and often open a “fluidized” holes, the design and manufacture complex. Recoil Pulse Pneumatic Conveyor Even with viscous materials, the cone angle at the bottom of the transmitter can still be made larger. This reduces the height of the transmitter, making it easy to install and deploy. By eliminating the “fluidization” of the hole, the transmitter manufacturing process is simplified. In this paper, the comparison between the two kinds of delivery methods is that the pneumatic conveying of recoil pulse can still further reduce the energy consumption except that it still maintains the characteristics of general pulsed pneumatic conveying, and its conveying mixing ratio is higher than that of general pulsed pneumatic conveying. In addition, its delivery process reliability is also higher than conventional pulsed pneumatic conveying. The conclusion is that this kind of conveying mode is not only practical and reliable, but also can transport certain viscous materials which can not be conveyed by general impulse pneumatic conveying. Therefore, it is a new conveying method worthy of promotion.