Heat exchanger design for liquefied ethylene cooling recovery
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A project was carried out; the client considered it wasteful to use an air-cooled vaporizer to vaporize liquid ethylene, and hoped to recover the cold energy. There are applications downstream that require a frozen ethylene glycol aqueous solution. It’s my first time dealing with heat exchanger design, and I was wondering whether an ethylene glycol aqueous solution can exchange heat directly with liquefied ethylene? Will an ethylene glycol aqueous solution freeze? The liquefied ethylene used is at around -101 degrees. If that doesn’t work, then what suitable working fluid should be chosen?
Propylene? Generally, methane, hydrogen, a binary coolant of ethylene and hydrogen, and an acrylic coolant are used as coolants in ethylene plants; see if these two can be used~
Are you talking about the liquefaction of ethylene? That’s exactly the opposite of what I need; I want to vaporize ethylene in order to recover the heat generated during that process