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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：US20090282910A1
公开(公告)日：2009-11-19
申请号：US12387886
申请日：2009-05-08
申请人： Limin Song , Julio D. Lobo , Jormarie Bitar , Mark M. Disko
发明人： Limin Song , Julio D. Lobo , 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 frequency of the vibration modes of the vessel. The fluid level can be related to the frequency of the vibration mode.
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频率。 液位可以与振动模式的频率有关。
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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：US08850881B2
公开(公告)日：2014-10-07
申请号：US12387886
申请日：2009-05-08
申请人： Limin Song , Julio D. Lobo , Jormarie Bitar , Mark M. Disko
发明人： Limin Song , Julio D. Lobo , 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 frequency of the vibration modes of the vessel. The fluid level can be related to the frequency of the vibration mode.
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频率。 液位可以与振动模式的频率有关。
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公开(公告)号：US20090056759A1
公开(公告)日：2009-03-05
申请号：US12229136
申请日：2008-08-20
IPC分类号： B08B7/04
摘要： The present invention is a method to remove coke from a coker drum. The invention includes the steps of impinging fluid from a fluid jet on the inside surface of the coker and then determining the vibration signal of the coker drum. The signal is then transformed to determine the amplitude versus frequency by a Fourier Transform of the vibration signal. The amplitude change of the vibration signal as it goes through a maximum, determines when the coke layer has been cut. The fluid jet is lowered into a new layer of coke.
摘要翻译： 本发明是从焦化鼓中除去焦炭的方法。 本发明包括以下步骤：将流体从流体射流冲击到焦化器的内表面上，然后确定焦化鼓的振动信号。 然后通过傅里叶变换振动信号来转换信号以确定幅度对频率。 当振动信号经过最大值时，振幅信号的振幅变化决定了焦炭层的切割时间。 流体射流被降低成新的焦炭层。
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公开(公告)号：US07935226B2
公开(公告)日：2011-05-03
申请号：US12229136
申请日：2008-08-20
摘要： A method to remove coke from a coker drum is disclosed. The method includes the steps of impinging fluid from a fluid jet on the inside surface of the coker and then determining the vibration signal of the coker drum. The signal is then transformed to determine the amplitude versus frequency by a Fourier Transform of the vibration signal. The amplitude change of the vibration signal as it goes through a maximum, determines when the coke layer has been cut. The fluid jet is lowered into a new layer of coke.
摘要翻译： 公开了一种从焦化鼓中除去焦炭的方法。 该方法包括以下步骤：将流体从流体射流冲击到焦化器的内表面上，然后确定焦化鼓的振动信号。 然后通过傅里叶变换振动信号来转换信号以确定幅度对频率。 当振动信号经过最大值时，振幅信号的振幅变化决定了焦炭层的切割时间。 流体射流被降低成新的焦炭层。
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5.发明授权Mitigation of in-tube fouling in heat exchangers using controlled mechanical vibration 失效使用受控机械振动减轻热交换器内管内污染公开(公告)号：US07836941B2
公开(公告)日：2010-11-23
申请号：US11436802
申请日：2006-05-19
申请人： Limin Song , Julio D. Lobo , Glen B. Brons , San Chhotray , Himanshu M. Joshi , George A. Lutz
发明人： Limin Song , Julio D. Lobo , Glen B. Brons , San Chhotray , Himanshu M. Joshi , George A. Lutz
CPC分类号： F28F19/00 , F28D7/16 , F28D2021/0059 , F28G7/00
摘要： Fouling of heat exchange surfaces is mitigated by a process in which a mechanical force is applied to a fixed heat exchanger to excite a vibration in the heat exchange surface and produce shear waves in the fluid adjacent the heat exchange surface. The mechanical force is applied by a dynamic actuator coupled to a controller to produce vibration at a controlled frequency and amplitude output that minimizes adverse effects to the heat exchange structure. The dynamic actuator may be coupled to the heat exchanger in place and operated while the heat exchanger is on line.
摘要翻译： 热交换表面的污垢通过机械力施加到固定热交换器以激发热交换表面中的振动并在邻近热交换表面的流体中产生剪切波的过程来减轻。 通过耦合到控制器的动态致动器来施加机械力，以便以受控的频率和振幅输出产生振动，其最小化对热交换结构的不利影响。 动态致动器可以在热交换器在线时与热交换器耦合就位并操作。
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6.发明申请Mitigation of in-tube fouling in heat exchangers using controlled mechanical vibration 失效使用受控机械振动减轻热交换器内管内污染公开(公告)号：US20070267176A1
公开(公告)日：2007-11-22
申请号：US11436802
申请日：2006-05-19
申请人： Limin Song , Julio D. Lobo , Glen B. Brons , San Chhotray , Himanshu M. Joshi , George A. Lutz
发明人： Limin Song , Julio D. Lobo , Glen B. Brons , San Chhotray , Himanshu M. Joshi , George A. Lutz
IPC分类号： F28G7/00
CPC分类号： F28F19/00 , F28D7/16 , F28D2021/0059 , F28G7/00
摘要： Fouling of heat exchange surfaces is mitigated by a process in which a mechanical force is applied to a fixed heat exchanger to excite a vibration in the heat exchange surface and produce shear waves in the fluid adjacent the heat exchange surface. The mechanical force is applied by a dynamic actuator coupled to a controller to produce vibration at a controlled frequency and amplitude output that minimizes adverse effects to the heat exchange structure. The dynamic actuator may be coupled to the heat exchanger in place and operated while the heat exchanger is on line.
摘要翻译： 热交换表面的污垢通过机械力施加到固定热交换器以激发热交换表面中的振动并在邻近热交换表面的流体中产生剪切波的过程来减轻。 通过耦合到控制器的动态致动器来施加机械力，以便以受控的频率和振幅输出产生振动，其最小化对热交换结构的不利影响。 动态致动器可以在热交换器在线时与热交换器耦合就位并操作。
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