乙酸装置冲洗酸系统技改总结 - 201801 - 肥料与健康
乙酸装置冲洗酸系统技改总结
Sum-Up of Technological Renovation of Acid Flushing System of Acetic Acid Unit
摘要:

针对乙酸装置冲洗酸系统存在稳定性差、机械密封冲洗效果欠佳、机械密封冲洗酸压力难以控制、冲洗酸泵检修频次较高等问题,分别从吸收液返料泵和精制塔回流泵出口引管线至高压冲洗酸用户和低压冲洗酸用户。技改项目实施后,彻底解决了冲洗酸系统存在的问题,为乙酸装置的稳定运行提供了保障。

关键词:
Abstract:

In connection with problems existing in acid flushing system of acetic acid unit, such as lack of stability, flushing effects of mechanical seal being not good enough, difficulty in controlling mechanical seal acid flushing pressure, frequent maintenance of acid flushing pump, etc., pipelines lead out from outlets of absorbing liquid reverting pump and distillation column reflux pump respectively to high pressure acid flushing user and low pressure acid flushing user. After implementation of technological renovation project, the problems in acid flushing system are solved completely, and stable operation of the acetic acid unit is ensured.

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