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。
With the expansion of petroleum refinery, the existing electric desalter needs to be revamped using licensed technology based upon existing vessel equipment to meet the expanded capacity requirement.
随着炼化装置的扩建，部分旧电脱盐系统已不能适应大处理量的要求，在原有容器的基础上引进技术进行改造是切实可行的改造方案。
Working status of mechanical seals influences directly the performance of equipment in the petroleum refinery.
机械密封运行状况的好坏，直接影响装置的正常生产。
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