石油化工-施工文件-化工与制药类-化学工程与工艺-中级 .docVIP

以下是翻译测试： 中英 短句 1. 常压蒸馏装置是将原油分离为汽油、煤油、柴油、润滑油原料、化工原料和渣油，是属于分离馏份的液体精馏。 Atmospheric distillation device is used to seprate crude oil into gasoline, kerosene, diesel oil, industrial chemicals ,raw materials of lubricating oil, and the residue, which belongs to liquid distillation of separated fractions . 2. 气液两相充分接触时，高温气相中的重组份被冷凝放热，而下降的液相回流中的轻组份被加热气化，结果上升的气相被下降的液相冷却，气相中重组份不断被冷凝除去，液相中轻组份不断气化而提浓，这就是传质传热过程。 When gas phase and liquid phase get fully contacted, the restructuring component in the high temperature phase will get cold condensed and heat released, , while the light component in the liquid flow will be heated and gasified , as a result ,rising gas phase will be cooled by falling gas phase,and the restructuring component will be continually condensed and removed, the light component in the liquid phase will be continuously gasified and thickened ,and this is the process of mass and heat transfer. 段落 加热混合物使其沸点较低的轻组份汽化和冷凝，进行粗略分离的操作称为蒸馏。蒸馏所得的冷凝物称为馏出物。水是纯物质，馏出物就是蒸馏水，而原油是不同沸点的复杂组份组成的混合物，馏出同样体积的馏出物可以有不同的沸点范围，不同沸点范围的馏出物称为馏份。一定温度下蒸馏出来的馏份就表示石油产品的馏程。 Heat the mixture and make the low boiling point of light components vaporized and condensed,and the rough separation is called distillation.The condensation product through distillation is referred as distillate .Water is the pure substance and distillate is the distilled water,while crude oil is a mixture of complex components of different boiling points,and distillate with the same distillation volume can share different boiling range, and distillate with different boiling range is called distillate fraction.The distillate fraction under certain temperature of distillation indicates the distillation range of petroleum products. 常压蒸馏是指在常压条件下，根据原油中各组份的沸点不同，把原油“切割”成不同馏份的工艺过程。 Atmospheric distillation refers to the process engineering of cuttingcrude oil into different distillate fractions according to the different boiling points of all components under atmospheric pressure conditions. 常压蒸馏是原油加工的第一道工序。本装置是根据原油中各组份的沸点（