The selection pressure vessel safety valve should be consistent with the following eight principles:
1, the pressure vessel safety valve should be considered the choice of process conditions and container properties of the working medium, heavy volume leakagefrom the container security, physical and chemical media, working pressure range ofsecurity features and other considerations.
2, the safety valve must not be less than it is to send the heavy volume of safety ventheavy volume.
3, for the low working pressure, high temperature nor the pressure vessel can be used vibration lever safety valve.
4, from a closed structure, pressure vessels for high pressure, large containers anda large security leaks in heavy volume, the best choice of all the container from thelow-pressure safety valve, for the smooth operation of the absolute pressurecontainer safety valve should be selected from the micro.
5, for the costumes of toxic, flammable, or pollution of the environment of the mediashould be used in a closed pressure vessel safety valve.
6, the choice of reactor safety valve, the pressure must also consider the scope ofwork.
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Keywords: reactor, heat exchanger, pressure vessel
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