Cooling (issue unclear)
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This post was last edited by flute6 on 2011-5-22 23:40. How to cool logistics at 6 degrees to -68 degrees? Everyone, please help!
Your question isn’t very clear; it relates to refrigeration processes, and it depends on what medium is used – natural gas or something else. I suggest you search on Baidu; there should be a lot of information available on this topic!
It requires equipment such as refrigerators to accomplish this; it is not easy to meet the requirements relying solely on heat exchange.
Cooling the equipment is required to achieve this, but you haven’t made it clear what exactly needs to be cooled
It’s so cold; liquid nitrogen is needed. This is talking about a laboratory{:1_90:}
Now it’s clear that a cryogenic tank system is needed, which involves the use of ethylene and propylene for cooling
Segmented condensation, for example, first using ethylene glycol to cool to -20 to -30, and then using liquid nitrogen or other cryogenic coolants. It helps to save low-temperature materials and the amount of low-temperature refrigerant used. It can be divided into two to three levels of refrigeration
What medium is used for scoring? Natural gas or something else?