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1.发明申请Method for measuring reactor bed level from active acoustic measurement and analysis 有权从主动声学测量和分析测量反应堆床层的方法公开(公告)号：US20090314080A1
公开(公告)日：2009-12-24
申请号：US12455895
申请日：2009-06-09
申请人： Jianmin Qu , Laurence J. Jacobs , Limin Song , Jormarie Bitar , Mark M. Disko
发明人： Jianmin Qu , Laurence J. Jacobs , Limin Song , Jormarie Bitar , Mark M. Disko
IPC分类号： G01F23/296
CPC分类号： G01F23/296 , G01F23/2966
摘要： The present invention is a non-intrusive method to determine the fluid level in a vessel. In a preferred embodiment, the vessel is a delayed coker drum in a refinery. Waves are generated in the vessel from an outside source. For wall vibration generated in the frequency range of 1-20,000 Hz, accelerometers on the exterior wall of the vessel measures the attenuation of the vibration modes of the vessel. The fluid level can related to the attenuation of the vibration mode. For wall vibration generated in the ultrasonic range, the wave traveling in the vessel wall are guided waves. The guided wave will leak energy into the fluid inside the vessel and will attenuate depending on the fluid level. Ultrasonic receivers on the outside of the vessel measure the attenuation. The fluid level can be related attenuation of the ultrasonic waves.
摘要翻译： 本发明是用于确定容器中的液位的非侵入性方法。 在优选的实施方案中，该容器是炼油厂中的延迟焦化鼓。 波浪是从外部来源产生的。 对于在1-20,000Hz频率范围内产生的壁振动，容器外壁上的加速度计测量容器振动模式的衰减。 液位与振动模式的衰减有关。 对于在超声波范围内产生的壁振动，在血管壁中行进的波是导波。 引导波会将能量泄漏到容器内的流体中，并且会根据液位而衰减。 容器外部的超声波接收器测量衰减。 液位可以与超声波的衰减有关。
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2.发明授权Method for measuring reactor bed level from active acoustic measurement and analysis 有权从主动声学测量和分析测量反应堆床层的方法公开(公告)号：US08850882B2
公开(公告)日：2014-10-07
申请号：US12455895
申请日：2009-06-09
申请人： Jianmin Qu , Laurence J. Jacobs , Limin Song , Jormarie Bitar , Mark M. Disko
发明人： Jianmin Qu , Laurence J. Jacobs , Limin Song , Jormarie Bitar , Mark M. Disko
IPC分类号： G01F23/00 , G01F23/296
CPC分类号： G01F23/296 , G01F23/2966
摘要： The present invention is a non-intrusive method to determine the fluid level in a vessel. In a preferred embodiment, the vessel is a delayed coker drum in a refinery. Waves are generated in the vessel from an outside source. For wall vibration generated in the frequency range of 1-20,000 Hz, accelerometers on the exterior wall of the vessel measures the attenuation of the vibration modes of the vessel. The fluid level can related to the attenuation of the vibration mode. For wall vibration generated in the ultrasonic range, the wave traveling in the vessel wall are guided waves. The guided wave will leak energy into the fluid inside the vessel and will attenuate depending on the fluid level. Ultrasonic receivers on the outside of the vessel measure the attenuation. The fluid level can be related attenuation of the ultrasonic waves.
摘要翻译： 本发明是用于确定容器中的液位的非侵入性方法。 在优选的实施方案中，该容器是炼油厂中的延迟焦化鼓。 波浪是从外部来源产生的。 对于在1-20,000Hz频率范围内产生的壁振动，容器外壁上的加速度计测量容器振动模式的衰减。 液位与振动模式的衰减有关。 对于在超声波范围内产生的壁振动，在血管壁中行进的波是导波。 引导波会将能量泄漏到容器内的流体中，并且会根据液位而衰减。 容器外部的超声波接收器测量衰减。 液位可以与超声波的衰减有关。
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