1. When the relative pressure in tanker is reduced to zero, the pressure balance is maintained and discharging is completed. and record the storage tank level indicator data!
2. Dismantle the connection pipe of tanker and tank area, and hold high the tank line, so that the residual cyclohexane in the hose can flow into the storage tank, and use nitrogen to scour the hose and ambient gas, and close the storage tank to make up the material valve and the feed mouth.
3. Put the discharging pipe and exhaust pipe of the tank back on the bracket and close the nozzle valve.
4. Using nitrogen to scour the unloading zone for several minutes, the fire extinguisher will be reset and the martial tunnel in the operation area removed.