随着生产规模的扩大,对于输送距离长、提升高度高的工艺要求,密相栓流气力输送技术显示出其输送能力不足的一面。
With the expansion of production scale, dense phase pulse fluid pneumatic conveying shows the incapability for long-distance and high lifting height conveying.
通过比较高密度下行床与高密度提升管内密相特性,发现下行床内的密相因停留时间短、尺寸小和密度低而难以观察到。
Dense phase in downer was much more difficult to observe than in riser due to its shorter duration time, smaller size and lower density.
通过对汽油提升管内催化剂流动形式的分析,提升管内气固接触形式为密相气力输送。
In addition, flow pattern of catalyst in gasoline riser has been studied and the result shows that gas solid contact in the riser was in the form of dense phase force transfer.
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