double inlet fan

The pressure drop performance in single and double inlet cyclone separators is reported in this paper.

针对旋风器内气流场偏心或轴不对称的情况,改变了旋风器的进口结构,提出了双进口旋风器模型,对比了单、双进口旋风器的阻力特性并进行了分析,指出双进口结构形式较单进口更有利于降低旋风器阻力。

This thesis deals with the axial non symmetry of air flow in the cyclone, with change of single inlet to double inlet.

针对旋风器内气流轴不对称问题，从结构上改单进口为双进口。

All kinds of reasons of high temperture of the axle bush in double ended tube mill have been analyzed in the article based on actual operation of positive pressure double ended tube mill.

根据对双进双出正压筒式球磨机实际运行状况的研究,详细分析了速成双进双出磨煤机轴瓦温度高的各种原因,文章从磨煤机的密封装置、轴瓦的润滑介质、冷却介质以及磨煤机的运行操作等方面对轴瓦温度的影响进行了细致的分析,并针对各种影响因素,提出了降低轴瓦温度的合理措施,在实际应用中取得了明显的效果,从而解决了磨煤机运行中轴瓦温度偏高的问题。

Concept of double-inlet water-jet system is designed with one inlet in side and the other in bottom.

配合本文提出的带有侧进水口及底进水口的双进水口喷水推进系统的概念设计,该高速艇可在深水中高速航行、在浅水中安全航行,有效最小水深可和该艇的静态吃水相当。

In order to improve the efficiency of pesticide residues test,the authors use the GC with double-column,double-injector and double-detector at the same time to test the pesticide residues such as organophosphate and organochlorine in agricultural products,and complete the test of 16 pesticide residues in the same or different samples within 25 minutes.

为提高农药残留检测的工作效率,用一台安装有双色谱柱、双进样器、双检测器的气相色谱仪,对农产品中的有机磷、有机氯等不同种类的农药残留进行双通道同步测定,实现25分钟内完成相同或不同样品中16种农药残留测定。