Atmospheric and vacuum deep drawing
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I would like to ask what deep drawing at atmospheric pressure and deep drawing under reduced pressure refer to in the context of atmospheric and vacuum distillation units. If possible, please provide a detailed explanation; also, to what high temperature can deep drawing be carried out?
http://bbs.hcbbs.com/viewthread.php?tid=30689&highlight=%B3%A3%BC%F5%D1%B9%2B%C9%EE%B0%CE http://bbs.hcbbs.com/viewthread.php?tid=9760&highlight=%B3%A3%BC%F5%D1%B9%2B%C9%EE%B0%CE These involve comprehensive measures in process and engineering to increase the recovery rates in atmospheric and reduced-pressure systems, as well as to improve the fractionation points.