Heat exchangers are the critical equipment in petroleum refinery process units, whose corrosion will have a great impact on the normal unit operation and product quality.

冷换设备是石油炼制装置中重要的设备，冷换设备的腐蚀已严重影响产品的质量和装置的正常运行。

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In order to improve quality and optimize refinery heavy oil hydrotreating unit operation, the paper developed hydrogenation process model for predicting product quality under certain conditions.

为了改善重油品质以及优化炼厂加氢装置操作，本文开发了用于预测特定条件下加氢产品品质的加氢处理过程模型。

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While maintaining the original production process of a continuous reforming unit, the refinery added a membrane separator at the end of the hydrogen production unit.

连续重整装置原系统流程不变，在自产氢气后路增加一套膜分离装置。

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