Positive pressure design for cold box
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I would like to ask the experts: what is the maximum positive pressure that a cold box is generally designed to withstand? Thank you!
The cryogenic box consists of two parts: one is a large steel-shell insulated container, and the other is an internal aluminum plate-fin heat exchanger; the difficulties in design and manufacturing lie primarily in these components. A multi-stream pressurized mixture stream undergoes complex heat transfer processes involving phase changes as required by the process; the operating temperature is generally between +30°C and -170°C, with a maximum design pressure of 5 MPa.