由于原料油不断重质化，而且要求轻质油收率不断上升，因此对炼油装置提升管反应器的要求更加苛刻。
As increasing of heavy oil component in raw oil and rising of light oil yield, this result in stricter requirement for lift pipe reactor of oil refining unit.
所述涡流罩形成隔栅最大程度地防止大而轻质的颗粒、地毯纤维等排出所述出口管。
The eddy current cover forms a barrier to maximumly prevent big and light grains, carpet fibers and the like from being discharged from the outlet pipe.
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