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运用热力学第一定律对低温液体在贮存、运输转注过程中的热力学特性进行了分析,定量分析、计算了低温液体节流过程的节流汽化率值,提出了减少节流过程所形成的汽化率的有效途径;论证了在大型低温液体贮存站贮罐设计选型时,应根据不同的低温液体液源、液体品质和操作工况等条件进行设计选型;论证了除合理地选择正确的低温液体贮罐结构形式外,还应高度重视低温液体贮罐的安全泄放设计,以确保低温液体贮存站的安全性能、使用性能和技术经济性能均处于最佳状态。
The first law of thermodynamics was used to analyze and quantitatively analyze the thermodynamic properties of cryogenic liquid during storage and transportation. The throttling rate of cryogenic liquid throttling process was calculated and the reduction rate of throttling rate It is demonstrated that design and selection of storage tanks for large cryogenic liquid storage tanks should be based on different liquid sources, liquid qualities and operating conditions of the cryogenic liquid. It is demonstrated that in addition to choosing the correct low temperature Liquid storage tank structure, but also should attach great importance to low-temperature liquid storage tank safety relief design to ensure that the cryogenic liquid storage station safety performance, performance and technical and economic performance are in the best condition.