Super-press venting of vessel is an important safety issue in modern chemical plant. An explosion and great loss will be caused if the supperpress of the vessel will not be solved in good time. As a result, it is very important for the property of the nation and the safety of the people to research how to vent the supperpress vessel in time.In this paper, venting of pressure have been investigated. And a program for venting of pressure design which is used widely and easily and exactly is programmed.The maj...