Seeking advice on the method of loading substances such as olefins, liquefied hydrocarbons, and LNG in a sealed manner when closing the gas inlet
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I would like to ask everyone: when loading olefins, liquefied hydrocarbons, LNG, etc., in order to prevent the vapor phase inside the tank truck from contaminating the product stored in the larger tanks, it is common to close the vapor outlet of the tank truck during loading. However, this prevents the tank truck from being filled to capacity, and it also creates a risk of overpressure； What equipment or fittings can be used to address an increase in vapor pressure? It is said that there is a device/set of equipment similar to a steam jet pump, water pump, or ejector, which can remove the gas phase from the tank truck during loading, reduce pressure, and ensure a higher filling capacity ； I wonder if anyone has seen it? Could it be shown in the form of an image? Thank you all first!
I think it’s safer to burn it after it’s placed in the gas tank
There happens to be such a post; you can take a look at it at http://bbs.hcbbs.com/thread-1806963-1-1.html
Thank you for your reply! The plan for now is to use equipment similar to water pumps; using a flare is not considered at this time.
Thank you for your reply! Where does it look more dangerous?
This post was last edited by chemengineering on 2017-7-21 09:53. Thank you for your reply! Let me take a look. I’ve seen the document, but it doesn’t contain what I need. I was wondering if you’ve heard of such a device?