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    FLAME INSTABILITY DETECTION AND IDENTIFICATION IN INDUSTRIAL FURNACES
    1.
    发明申请
    FLAME INSTABILITY DETECTION AND IDENTIFICATION IN INDUSTRIAL FURNACES 审中-公开
    工业炉火焰不稳定性检测与鉴定

    公开(公告)号：US20140172368A1

    公开(公告)日：2014-06-19

    申请号：US14101677

    申请日：2013-12-10

    申请人： Weichang Li ,  Gary T. Dobbs ,  Limin Song ,  Peng Xu ,  Krishnan Kumaran ,  Mark M. Disko ,  Jeffrey M. Grenda ,  San Chhotray ,  Amy B. Herhold ,  Duane R. McGregor

    发明人： Weichang Li ,  Gary T. Dobbs ,  Limin Song ,  Peng Xu ,  Krishnan Kumaran ,  Mark M. Disko ,  Jeffrey M. Grenda ,  San Chhotray ,  Amy B. Herhold ,  Duane R. McGregor

    IPC分类号： G01M99/00 ,  G06F17/11

    CPC分类号： G01M99/00 ,  G05B23/024 ,  G06F17/11

    摘要： Systems and methods for multi-channel detection of an instability in a furnace comprising a plurality of detectors are disclosed. Each of a plurality of detectors provides a first measurement related to the plurality of burners when the furnace is operating in a stable condition. A stable signal component representation is determined based on the first measurement from each of the plurality of detectors. Each of a plurality of detectors provides a second measurement related to the plurality of burners when the furnace is operating in an unknown state. An unstable signal component representation is determined based on the stable signal component representation and a second measurement from each of the plurality of detectors. An instability is detected based on the unstable signal component representation and an instability threshold.

    摘要翻译： 公开了一种用于多通道检测包括多个检测器的炉中的不稳定性的系统和方法。 当炉子处于稳定状态时，多个检测器中的每个检测器提供与多个燃烧器相关的第一测量。 基于来自多个检测器中的每一个的第一测量来确定稳定的信号分量表示。 当炉子处于未知状态时，多个检测器中的每个检测器提供与多个燃烧器相关的第二测量。 基于稳定的信号分量表示和来自多个检测器中的每一个的第二测量来确定不稳定的信号分量表示。 基于不稳定的信号分量表示和不稳定性阈值来检测不稳定性。

    FLAME INSTABILITY DETECTOR
    3.
    发明申请
    FLAME INSTABILITY DETECTOR 审中-公开
    火焰不稳定性检测器

    公开(公告)号：US20140170574A1

    公开(公告)日：2014-06-19

    申请号：US14101692

    申请日：2013-12-10

    申请人： Weichang Li ,  Gary T. Dobbs ,  Limin Song ,  Duane R. McGregor ,  San Chhotray ,  Jeffrey M. Grenda ,  Amy B. Herhold

    发明人： Weichang Li ,  Gary T. Dobbs ,  Limin Song ,  Duane R. McGregor ,  San Chhotray ,  Jeffrey M. Grenda ,  Amy B. Herhold

    IPC分类号： F23N5/24

    CPC分类号： F23N5/242 ,  G05B23/024

    摘要： Systems and methods for detecting an instability associated with at least one burner are disclosed. A detector measures a signal associated with a characteristic of the at least one burner. The signal is converted to a time-varying signal spectrum using at least one processor. An instability is detected based at least in part on the time-varying signal spectrum. The instability can be detected based on an instability indicator calculated based at least in part on the time-varying signal spectrum. A threshold can be associated with the instability indicator such that an instability is detected when the instability indicator is greater than the threshold.

    摘要翻译： 公开了用于检测与至少一个燃烧器相关联的不稳定性的系统和方法。 检测器测量与至少一个燃烧器的特性相关联的信号。 使用至少一个处理器将信号转换为时变信号频谱。 至少部分地基于时变信号频谱来检测不稳定性。 可以基于至少部分地基于时变信号频谱计算的不稳定性指标来检测不稳定性。 阈值可以与不稳定性指示符相关联，使得当不稳定性指标大于阈值时检测到不稳定性。

    Determining Interwell Communication
    4.
    发明申请
    Determining Interwell Communication 审中-公开
    确定Interwell通信

    公开(公告)号：US20130110485A1

    公开(公告)日：2013-05-02

    申请号：US13646363

    申请日：2012-10-05

    申请人： Weichang Li ,  Niranjan A. Subrahmanya ,  Limin Song ,  Adam K. Usadi ,  Krishnan Kumaran ,  Peng Xu ,  Michael E. McCracken ,  Dale E. Fitz

    发明人： Weichang Li ,  Niranjan A. Subrahmanya ,  Limin Song ,  Adam K. Usadi ,  Krishnan Kumaran ,  Peng Xu ,  Michael E. McCracken ,  Dale E. Fitz

    IPC分类号： G06G7/48

    CPC分类号： G01V99/005

    摘要： There is provided a system and method for determining interwell communication in a hydrocarbon-producing field that has a plurality of wells. An exemplary method comprises determining communication relationships for the plurality of wells using a multivariate dynamic joint analysis algorithm based on data representing properties of each of the plurality of wells. The multivariate dynamic joint analysis algorithm may employ a self-response of each of the plurality of wells and an interwell response between combinations of the plurality of wells. Data representative of the communication relationships is provided.

    摘要翻译： 提供了一种用于确定具有多个井的烃生产领域中的井间通信的系统和方法。 示例性方法包括使用基于表示多个井中的每个井的属性的数据的多变量动态联合分析算法确定多个井的通信关系。 多变量动态联合分析算法可以采用多个井中的每一个的自身响应和多个井的组合之间的井间响应。 提供代表通信关系的数据。

    Mitigation of in-tube fouling in heat exchangers using controlled mechanical vibration
    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。

    Method for measuring reactor bed level from active acoustic measurement and analysis
    9.
    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。

    Method for measuring reactor bed level from active acoustic measurement and analysis
    10.
    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。