gb 150.1附录b关于火灾时盛装液化气体容器的安全泄放量计算公式推导解析 analysis on derivation of calculation of safety relieve capacity of liquefied gas vessel occuring fire in appendix b of gb 150.1.pdfVIP
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gb 150.1附录b关于火灾时盛装液化气体容器的安全泄放量计算公式推导解析 analysis on derivation of calculation of safety relieve capacity of liquefied gas vessel occuring fire in appendix b of gb 150.1
标 准 规 范
GB 150.1 附录B关于火灾时盛装液化气体容器的
安全泄放量计算公式推导解析
吴全龙 ,陈朝晖 ,周伟明1 2 3
(1.上海华理安全装备有限公司,上海 201108;2.全国锅炉压力容器标准化技术委员会,北京
100029;3.上海市气体工业协会,上海 200030)
计算火灾时盛装液化气体容器的安全泄放量是工程技术人员经常要碰到的问题,从国内外
摘 要:
众多文献中可知,计算时的基本思路就是先求得容器吸热量,该吸热量再除以液化气体介质在泄放
状态下的汽化潜热,即可得容器所需要的安全泄放量。目前,国内外使用的标准规范在涉及到这一
问题时基本上是采用API Std521—2007 中相应公式,本文对公式的推导过程进行解析,有助于工
程人员正确使用其来进行计算。
安全泄放量;吸热量;燃料系数;湿润面积
关键词:
中图分类号:TH49;TQ051.03;T-651 文献标志码:B 文章编号:1001 -4837(2016)07 -0048-05
doi:10.3969/j.issn.1001 -4837.2016.07.008
Analysis on Derivation ofCalculation ofSafety Relieve Capacity
ofLiquefied Gas Vessel Occuring Fire in Appendix B ofGB 150.1
WU Quan-long ,CHEN Zhao-hui ,ZHOU Wei-ming1 2 3
(1.Shanghai Huali Safety Devices Co.,Ltd.,Shanghai 201108,China;2.China Standardization Commit
tee on Boilers and Pressure Vessels,Beijing 100029,China;3.Shanghai Gases Industry Association,
Shanghai 200030,China)
Abstract:The calculation ofsafety relieve capacity is a common problem for the engineering technicians
when the liquefied gas vessel occur fire.From many papers of domestic and overseas,we can know that
the basic calculation method isbelow:Firstly,the heat absorption capacity ofthe vessel iscalculated;then
the safety relieve capacity isacquiredfromthisheat absorption capacity divided bythe latentvaporization
heat ofthe liquefied gas under the discharging conditions.Relevant formula in API Std 521—2007 was
generally applied when the safety relieve capacity is involved.The detailed derivation process ofthe for
mula is presented in thispaper,which isbeneficial forthe engineering techniciansto employ thisformula
when they calculate the safety relieve capacity.
Key words:safety relieve capacity;heat flux;fuel coefficient;wetted area
·48 ·
第33卷第7期 压 力 容 器 总第284期
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