酯化塔异常时的操作

Operation of esterification tower abnormal

介绍了聚酯装置酯化工艺的流程,对实际生产中酯化塔异常时的操作进行了综述,如开车时塔的加压酯化时,脱水塔液泛时,提降负荷情况下,在闷料情况下,脱水塔干塔时的操作。通过上述操作可使酯化塔恢复平稳,保证酯化反应的正常进行。

The esterification technology process of PET plant was introduced. The operation when the esterification tower abnormal in the practice production were summarized. For example, the pressure esterification operation while starting up, when dehydration tower liquid flooding, under the condition of load increasing or decresaing, under the condition of stopping feeding with the material, when the dehydration tower dried up. Through the operation mentioned above, the esterification tower is steady so that the esterification can be carried out normally.