Start up and oil collection
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During the start-up and oil collection process, fractionation needs to be stabilized. What are the consequences of not removing air properly, and to what extent does it need to be removed?
I didn’t dare to try without removing air; generally, after about an hour of removing air, a large amount of vapor will be visible at the top of the tower. Also, the water remaining at the bottom of the tower needs to be drained completely.
1. The distillation system uses steam to drive out air and remove any remaining water. The water release process should be short to prevent air from being drawn into the tower. 2. After removing air with steam from the absorption stabilization system, fill it with gas and continue to remove air; this will achieve a more thorough result. It will be more effective to use nitrogen to displace air if possible. Consequence: When the mixture of air and oil/gas reaches a certain concentration, a flash explosion is likely to occur.