Safety device: Machine stop at abnormal air pressure, Heating pipe disconnection alarm.
安全装置：机器停在异常气压，加热管断线报警。
Safety relief device is the most effective way to prevent vessel explosion due to excessive pressure.
采用安全泄放装置是防止容器超压发生爆炸最有效的方法。
The following thesis deals with the classifications, roles and selecting principles of the safety relief device of pressure vessel.
介绍了压力容器安全泄放装置的分类、作用和选用原则。
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