【Q&A Question 014】2016.05.04
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【Q&A Question 014】On May 4, 2016, a prolonged power outage caused the reaction feed pump to stop operating; what should be used to purge the pump? The answer key will be available after responding; scoring is based on addressing the key points. Nitrogen
Why is purging necessary? Do olefins polymerize? Under normal room temperature, there should be no problem; if purging is necessary, then nitrogen should be used.
It depends on the process and materials involved: nitrogen, steam, raw materials, water…
Great answer on the 5th floor…… In my opinion, it depends on the medium that the feed pump is used to transport. Steam is generally used in such cases, but there are some materials for which steam cannot be used; in those situations, alternatives like compressed air and nitrogen can be considered.
According to our design: rinse with oil first, then with nitrogen