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["HidPE管道膨胀背压问题"

2020-07-04View Original

Thread Content

["Se um válvula de segurança for instalada em em um hidrocarboneto líquido emddo液化烃管道膨胀背压问题"
Reply #22020-07-05
"`Se um válvula de安全阀出口接到液化烃球罐的气相上去 问题是 如果整定压力设置到3MPa,这根管道的设计压力是D.MPa; 但是球罐的气相一般在 D~DMPMPa范围内变化; 这样的话,安全阀的背压就D~DMPMPa。 那么这台安全阀应该怎么选D整定定~DMPa,才合理? 背压对整定压力有影响影响影响?"
Reply #32020-07-08
"`Escolha um válvula com var varuro de flexível para para para reduzir oD影响压的影响"
Reply #42020-07-09
"``Essa脑洞开得有点儿大了D安全阀整定压力和背压能有什么关系D就好比说D一把菜刀磨地快不快和菜板材质能有什么必然联系呢D话又说回来D和和安全阀选择还是有关系的D背压高D压力差小D会影响安全阀起跳后的泄放速度D要保证泄放量D所以要考虑选出口更大口径的安全阀D或设置两台或多台安全阀。D`
Reply #52020-07-09
"```Por queD安全阀出口接到火炬线上呢D`
Reply #62020-07-10
"``DezD,D同同意D选型时时考虑背压平衡式D道法控制。`
Reply #72020-07-10
"``Por queD接到火炬线浪费啊D这样不就排到罐里面去了吗D人家的罐顶估计还有BOG回收呢D设计没有问题D背D和安全阀整定定压力没有D关系D只要背D提的准确(恒定背D或或或或或可变背D)D安全阀厂家就能选出合理的安全阀。`
Reply #82020-07-11
"D`背D会影响泄放量D安全阀会变大D与整D定压力无关"
Reply #92021-02-05
"``Se从安全阀考虑D整D定压力和背D关系不大D不过你描述中管线设计压力是D.DMPa按你说的设置到DMPA加球罐压力D那你这个安全阀已经没什么配备的必要了D都超管线设计压力了D……`
Reply #102021-02-07
"D`OlD您好D您有高老师的号码吗D"
Reply #112021-02-07
"D`正D解整D定压力(开启压力)取决于被保护设备的设计压力D背D影响的是泄放量D即口径的大小。"

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