xtra tba slidestba recov twr su from standby

1、TBA RECOVERY COLUMN STARTUP FROM STANDBYNOTE: This is for Training only, and is not intended to be used as a step by step procedure.PO/MTBETBA Recovery Column Startup From StandbyPurposeThe purpose of this procedure is to startup the TBA Recovery Column System from a standby condition.ConditionsThe

2、TBA Recovery Column System is in the standby mode. The system is in total reflux in preparation to receive feed.NOTE: TBA may freeze and solidify at temperatures below 25C. As equipment is shutdown, blocked-in, or when the flow is stopped, ensure all TBA is removed from the lines and equipment if it

3、 is not heat traced. This condition can cause unnecessary down time or damage to equipment. The overhead lines are not heat traced.NOTE: This is for Training only, and is not intended to be used as a step by step procedure.PO/MTBEGUIDELINE Ensure the vacuum package is operating properly Open FV-3771

4、8 with FC-37718 to start feed forward to the TBA Recovery Column from TBA Removal Column to begin forward flow. Adjust the reflux rate to correct setting. Monitor the column feed flow using FC-37718 in the automatic mode. Monitor the overhead pressure using PC-37704 while returning to normal operati

5、ons. Monitor the seal flush to the vacuum package. Visually inspect the TBA Recovery Column system for leaks and defects. Verify the operating conditions such as flows, level, temperatures or pressures with the Control Operator as needed. Establish TBA flow overhead from the TBA Recovery Column to the Crude TBA Tank as instructed by the Console Operator by