Blowdown valve设置目的？ the objective of equipment depressurisation in an emergency is to keep the internal pressure of vessels and piping exposed to fire below the rupture pressure, as the yield stress decreases with heating. 由于在受热过程中容器和管道的屈服应力会下降，因此在容器和管道处在火灾受热状态时，需要对设备进行紧急泄压，以保证压力低于爆破压力，防止爆 zha。 depressurising also serves to reduce the magnitude and duration of leaks that may occur as a result of mechanical failure, minimising the possibility of ignition. if ignition has already occurred depressurisation limits the fuel supply to the fire. 泄压同样也可以减少因设备故障造成的大量和长时间的物料泄露，最大程度的减少着火风险。如果已经着火，泄压可以控制泄露的物料量。 查看更多
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