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On October 12, the low-temperature ethylene unit in the oil product operation area of the Yangzi Petrochemical Storage and Transportation Plant received a production scheduling order to carry out low-temperature ethylene small-flow transportation to the upstream un.
The ethylene produced by Yangzi Petrochemical is not only an important raw material for its own plant, but also an important product for supplying the mark.
Since the process of transporting ethylene from the low-temperature ethylene storage device to the production device has no automatic return system before, when the production of the device is abnormal or misoperation occurs, the flow rate during transportation will change sudden.
When the storage and transportation plant found out this major hidden danger in the safety production of the low-temperature ethylene system, a project team was immediately established for rectificati.