In order to avoid the pollution of the extracting material and the inconvenience of fetching the plug, a rotating shielding door is used for the purpose of the horizontal tangentialchannel shielding.
水平切向孔道的屏蔽采用旋转屏蔽门屏蔽，避免了活化后塞子取出物污染空间及取放塞子的不便。
2
The tail gas outlet nozzle should be tangential to allow gravity flow of the sulfur form the waste heat boiler to the inlet channel of the downstream sulfur condenser.
尾气出口喷嘴宜为正切向，从而使的来自余热锅炉硫的重力流流入下游硫冷凝器的入口通道。
3
It is shown that there are two regions in the cyclone, the steadily tangential flow in the spiral channel and the combined vortex flow in the centre.