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["Старые вeterаны столкнулись с новыми проблемами — в тяжелом нефтяном от残留未译完,已标记

2017-12-26View Original

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干了十几年常减压,最近碰上了新问题。简言之,欢迎大家拿玉砸........................ 最近我公司渣油装车和罐顶取样时,操作工随身携带的硫化氢报警仪均报警,显示30-60ppm左右不等的硫化氢含量。 去罐顶取了罐内气体样,硫化氢含量居然高达800ppm。这个罐一直是渣油罐,没有装过其他物料,呼吸阀运转正常,就是罐内渣油温度较高,为150度左右,渣油硫含量为1%左右(原油就是低硫原油)................ 百思不得其解啊,以前从未遇到过这种问题,请各位兄弟姐妹讨论,谢谢!
Reply #22017-12-29
换热器内漏混入硫化氢,或自身裂解产生。
Reply #32017-12-29
和渣油换热的只有原油,这种可能基本排除。通过最近操作基本可以确定应该是渣油裂解产生的,塔底注了少量的汽提蒸汽,状况有所改善
Reply #42020-10-03
请问找到原因了吗?注汽提蒸汽后硫化氢降到多少?

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