Selection of container materials for low-temperature methanol washing
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Dear experts, what materials are generally used for the containers, pipelines, and associated components related to the -30°C low-temperature methanol wash rich liquid stream? What are the external insulation measures? Please help and give me some advice. Thank you!
Normally, low-temperature materials such as 16MnDR can be used; if the application involves low temperature and low stress conditions, 16MnR is also suitable. The simplest cooling measure is just a insulation layer, right?
First of all, thank you for your help! I would like to ask again: if, as in the case of Nanhua’s 7.3MP low-temperature methanol wash rich and lean streams, the pressures are both above 6.4MP and the temperatures are at -30°C, is it suitable to use 16MnDR for the valves and pumps?