Real-time combustion controls and diagnostics sensors (CCADS)
    1.
    发明授权
    Real-time combustion controls and diagnostics sensors (CCADS) 失效
    实时燃烧控制和诊断传感器(CCADS)

    公开(公告)号:US06887069B1

    公开(公告)日:2005-05-03

    申请号:US09955582

    申请日:2001-09-18

    摘要: The present invention is directed to an apparatus for the monitoring of the combustion process within a combustion system. The apparatus comprises; a combustion system, a means for supplying fuel and an oxidizer, a device for igniting the fuel and oxidizer in order to initiate combustion, and a sensor for determining the current conducted by the combustion process.The combustion system comprises a fuel nozzle and an outer shell attached to the combustion nozzle. The outer shell defines a combustion chamber. Preferably the nozzle is a lean premix fuel nozzle (LPN). Fuel and an oxidizer are provided to the fuel nozzle at separate rates. The fuel and oxidizer are ignited.A sensor positioned within the combustion system comprising at least two electrodes in spaced-apart relationship from one another. At least a portion of the combustion process or flame is between the first and second electrodes. A voltage is applied between the first and second electrodes and the magnitude of resulting current between the first and second electrodes is determined.

    摘要翻译: 本发明涉及一种用于监测燃烧系统内燃烧过程的装置。 该装置包括: 燃烧系统,用于供应燃料和氧化剂的装置,用于点燃燃料和氧化剂以启动燃烧的装置以及用于确定由燃烧过程进行的电流的传感器。 燃烧系统包括燃料喷嘴和附接到燃烧喷嘴的外壳。 外壳限定燃烧室。 优选地,喷嘴是贫燃料预混合燃料喷嘴(LPN)。 燃料和氧化剂以分开的速率提供给燃料喷嘴。 燃料和氧化剂被点燃。 定位在燃烧系统内的传感器包括彼此间隔开的关系中的至少两个电极。 燃烧过程或火焰的至少一部分在第一和第二电极之间。 在第一和第二电极之间施加电压,确定第一和第二电极之间产生的电流的大小。

    Method and apparatus for detecting combustion instability in continuous combustion systems
    2.
    发明授权
    Method and apparatus for detecting combustion instability in continuous combustion systems 有权
    用于检测连续燃烧系统中燃烧不稳定性的方法和装置

    公开(公告)号:US07096722B2

    公开(公告)日:2006-08-29

    申请号:US10329664

    申请日:2002-12-26

    IPC分类号: G01M19/00

    摘要: An apparatus and method to sense the onset of combustion stability is presented. An electrode is positioned in a turbine combustion chamber such that the electrode is exposed to gases in the combustion chamber. A control module applies a voltage potential to the electrode and detects a combustion ionization signal and determines if there is an oscillation in the combustion ionization signal indicative of the occurrence of combustion stability or the onset of combustion instability. A second electrode held in a coplanar but spaced apart manner by an insulating member from the electrode provides a combustion ionization signal to the control module when the first electrode fails. The control module broadcasts a notice if the parameters indicate the combustion process is at the onset of combustion instability or broadcasts an alarm signal if the parameters indicate the combustion process is unstable.

    摘要翻译: 提出了一种感测燃烧稳定性发生的装置和方法。 电极定位在涡轮机燃烧室中,使得电极暴露于燃烧室中的气体。 控制模块向电极施加电压并检测燃烧电离信号,并确定燃烧电离信号中是否存在表示燃烧稳定性发生或燃烧不稳定性发生的振荡。 当第一电极失效时,通过绝缘构件与电极保持共面但间隔开的第二电极提供燃烧电离信号。 如果参数指示燃烧过程处于燃烧不稳定的开始时,控制模块广播通知,或者如果参数指示燃烧过程不稳定则广播报警信号。

    Dynamically balanced fuel nozzle and method of operation
    5.
    发明授权
    Dynamically balanced fuel nozzle and method of operation 失效
    动平衡燃油喷嘴和操作方法

    公开(公告)号:US6058709A

    公开(公告)日:2000-05-09

    申请号:US991630

    申请日:1997-11-06

    IPC分类号: F02C7/22 F23M99/00 F23N5/16

    摘要: An apparatus and method of operation designed to reduce undesirably high pressure oscillations in lean premix combustion systems burning hydrocarbon fuels are provided. Natural combustion and nozzle acoustics are employed to generate multiple fuel pockets which, when burned in the combustor, counteract the oscillations caused by variations in heat release in the combustor. A hybrid of active and passive control techniques, the apparatus and method eliminate combustion oscillations over a wide operating range, without the use of moving parts or electronics.

    摘要翻译: 提供了一种设计用于减少燃烧碳氢燃料的稀薄预混合燃烧系统中不期望的高压振荡的装置和操作方法。 采用自然燃烧和喷嘴声学来产生多个燃料箱,当燃烧器中燃烧时,可以抵消由燃烧器中的放热变化引起的振荡。 主动和被动控制技术的混合,该装置和方法消除了在宽的工作范围内的燃烧振荡,而不使用移动部件或电子设备。

    Real-time combustion control and diagnostics sensor-pressure oscillation monitor
    6.
    发明授权
    Real-time combustion control and diagnostics sensor-pressure oscillation monitor 失效
    实时燃烧控制和诊断传感器 - 压力振荡监控

    公开(公告)号:US07559234B1

    公开(公告)日:2009-07-14

    申请号:US10997090

    申请日:2004-11-24

    IPC分类号: G01M15/05

    CPC分类号: G01M15/102

    摘要: An apparatus and method for monitoring and controlling the combustion process in a combustion system to determine the amplitude and/or frequencies of dynamic pressure oscillations during combustion. An electrode in communication with the combustion system senses hydrocarbon ions and/or electrons produced by the combustion process and calibration apparatus calibrates the relationship between the standard deviation of the current in the electrode and the amplitudes of the dynamic pressure oscillations by applying a substantially constant voltage between the electrode and ground resulting in a current in the electrode and by varying one or more of (1) the flow rate of the fuel, (2) the flow rate of the oxidant, (3) the equivalence ratio, (4) the acoustic tuning of the combustion system, and (5) the fuel distribution in the combustion chamber such that the amplitudes of the dynamic pressure oscillations in the combustion chamber are calculated as a function of the standard deviation of the electrode current. Thereafter, the supply of fuel and/or oxidant is varied to modify the dynamic pressure oscillations.

    摘要翻译: 一种用于监测和控制燃烧系统中的燃烧过程以确定燃烧期间动态压力振荡的振幅和/或频率的装置和方法。 与燃烧系统连通的电极感测由燃烧过程产生的烃离子和/或电子,并且校准装置通过施加基本恒定的电压来校准电极中的电流的标准偏差与动态压力振荡的幅度之间的关系 在电极和接地之间产生电极中的电流,并且通过改变(1)燃料的流速,(2)氧化剂的流速,(3)当量比中的一种或多种,​​(4) 燃烧系统的声学调谐,和(5)燃烧室中的燃料分布,使得燃烧室中的动态压力振荡的幅度作为电极电流的标准偏差的函数被计算。 此后,改变燃料和/或氧化剂的供应以改变动态压力振荡。

    Combustor oscillation attenuation via the control of fuel-supply line
dynamics
    7.
    发明授权
    Combustor oscillation attenuation via the control of fuel-supply line dynamics 失效
    通过燃料供应管线动力学控制燃烧器振荡衰减

    公开(公告)号:US5809769A

    公开(公告)日:1998-09-22

    申请号:US744644

    申请日:1996-11-06

    IPC分类号: F23N5/16 F23R3/28 F02C9/26

    摘要: Combustion oscillation control in combustion systems using hydrocarbon fuels is provided by acoustically tuning a fuel-delivery line to a desired phase of the combustion oscillations for providing a pulse of a fuel-rich region at the oscillating flame front at each time when the oscillation produced pressure in the combustion chamber is in a low pressure phase. The additional heat release produced by burning such fuel-rich regions during low combustion chamber pressure effectively attenuates the combustion oscillations to a selected value.

    摘要翻译: 通过将燃料输送管线声音调谐到燃烧振荡的期望相位来提供使用烃燃料的燃烧系统中的燃烧振荡控制,用于在振荡产生压力的每个时间在振荡火焰前沿提供富燃料区域的脉冲 在燃烧室内处于低压阶段。 在低燃烧室压力下燃烧这种富含燃料的区域产生的额外的放热有效地将燃烧振荡衰减到选定的值。

    Ash separating shovel
    8.
    发明授权
    Ash separating shovel 失效
    灰分铲

    公开(公告)号:US4491357A

    公开(公告)日:1985-01-01

    申请号:US558990

    申请日:1983-12-07

    IPC分类号: B07B1/02 F24B15/08 A01B1/02

    CPC分类号: B07B1/02 F24B15/08

    摘要: An ash separating shovel is provided and consists of a tapered body member that has a diagonal ribbed reticulated middle portion. The body member is folded along two lines with inwardly diagonal ribs of the reticulated middle portion to form side walls and a bottom wall.

    摘要翻译: 提供灰分分离铲,并由具有对角肋网状中间部分的锥体构成。 身体构件沿着具有网状中间部分的向内对角肋的两条线折叠以形成侧壁和底壁。

    Method of CO2 removal from a gasesous stream at reduced temperature
    9.
    发明授权
    Method of CO2 removal from a gasesous stream at reduced temperature 有权
    在降低温度下从气流中除去CO2的方法

    公开(公告)号:US08888895B1

    公开(公告)日:2014-11-18

    申请号:US14022708

    申请日:2013-09-10

    IPC分类号: B01D53/02 B01D53/04

    摘要: A method for the removal of H2O and CO2 from a gaseous stream comprising H2O and CO2, such as a flue gas. The method initially utilizes an H2O removal sorbent to remove some portion of the H2O, producing a dry gaseous stream and a wet H2O removal sorbent. The dry gaseous stream is subsequently contacted with a CO2 removal sorbent to remove some portion of the CO2, generating a dry CO2 reduced stream and a loaded CO2 removal sorbent. The loaded CO2 removal sorbent is subsequently heated to produce a heated CO2 stream. The wet H2O removal sorbent and the dry CO2 reduced stream are contacted in a first regeneration stage, generating a partially regenerated H2O removal sorbent, and the partially regenerated H2O removal sorbent and the heated CO2 stream are subsequently contacted in a second regeneration stage. The first and second stage regeneration typically act to retain an initial monolayer of moisture on the various removal sorbents and only remove moisture layers bound to the initial monolayer, allowing for relatively low temperature and pressure operation.Generally the applicable H2O sorption/desorption processes may be conducted at temperatures less than about 70° C. and pressures less than 1.5 atmospheres, with certain operations conducted at temperatures less than about 50° C.

    摘要翻译: 一种从包含H 2 O和CO 2的气流如烟道气中除去H 2 O和CO 2的方法。 该方法最初利用H 2 O去除吸附剂去除一部分H 2 O,产生干燥气流和湿H 2 O去除吸附剂。 随后将干燥的气流与除去CO 2的吸附剂接触以除去CO 2的一部分,产生干燥的CO 2还原物流和负载的CO 2去除吸附剂。 随后加载负载的CO 2去除吸附剂以产生加热的CO 2流。 湿的H 2 O除去吸附剂和干的CO 2还原物流在第一再生阶段接触,产生部分再生的H 2 O去除吸附剂,并且部分再生的H 2 O除去吸附剂和加热的CO 2流随后在第二再生阶段中接触。 第一和第二阶段再生通常用于在各种去除吸附剂上保留初始的单层水分,并且仅去除与初始单层结合的水分层,允许相对低的温度和压力操作。 通常,适用的H 2 O吸附/解吸过程可以在低于约70℃的温度和低于1.5个大气压的压力下进行,一些操作在小于约50℃的温度下进行。

    Pulse combustor with controllable oscillations
    10.
    发明授权
    Pulse combustor with controllable oscillations 失效
    具有可控振荡的脉冲燃烧室

    公开(公告)号:US5123835A

    公开(公告)日:1992-06-23

    申请号:US663348

    申请日:1991-03-04

    IPC分类号: F23C15/00

    CPC分类号: F23C15/00

    摘要: A pulse combustor having thermally induced pulse combustion in a continuously flowing system is described. The pulse combustor is fitted with at lease one elongated ceramic body which significantly increases the heat transfer area in the combustion chamber of the combustor. The ceramic body or bodies possess sufficient mass and heat capacity to ignite the fuel-air charge once the ceramic body or bodies are heated by conventional spark plug initiated combustion so as to provide repetitive ignition and combustion of sequentially introduced fuel-air charges without the assistance of the spark plug and the rapid quenching of the flame after each ignition in a controlled manner so as to provide a selective control over the oscillation frequency and amplitude. Additional control over the heat transfer in the combustion chamber is provided by employing heat exchange mechanisms for selectively heating or cooling the elongated ceramic body or bodies and/or the walls of the combustion chamber.

    摘要翻译: 描述了在连续流动系统中具有热诱导脉冲燃烧的脉冲燃烧器。 脉冲燃烧器装配有至少一个细长的陶瓷体,其显着增加了燃烧器的燃烧室中的传热面积。 一旦陶瓷体或主体被传统的火花塞引发的燃烧加热,陶瓷体或体就具有足够的质量和热能来点燃燃料 - 空气充电,从而在无需辅助的情况下提供重复的点燃和顺序引入的燃料空气的燃烧 并且以受控的方式在每个点火之后快速淬火火焰,以便提供对振荡频率和振幅的选择性控制。 通过使用用于选择性地加热或冷却细长的陶瓷体或本体和/或燃烧室的壁的热交换机构来提供对燃烧室中的热传递的附加控制。