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    Multi-stage compressor/driver system and method of operation
    61.
    发明授权
    Multi-stage compressor/driver system and method of operation 失效
    多级压缩机/驱动系统及操作方法

    公开(公告)号：US08591199B2

    公开(公告)日：2013-11-26

    申请号：US11622338

    申请日：2007-01-11

    Applicant: Bobby D. Martinez ,  John R. Wolflick ,  Jaleel Valappil

    Inventor： Bobby D. Martinez ,  John R. Wolflick ,  Jaleel Valappil

    IPC: F04B23/04

    CPC classification number: F04C23/001 ,  F04D27/0269 ,  F25J1/0022 ,  F25J1/0283 ,  F25J1/0298 ,  F25J2280/10

    Abstract: An improved system and methodology for starting up a gas-turbine driven multi-stage compressor. The improvement involves isolating individual compression stages and creating positive pressure in each stage prior to initiating rotation of the compressor/driver system. The isolation of individual compression stages allows the turbine to reach normal operating speeds with substantially no supplemental power from an auxiliary source.

    Abstract translation: 一种用于启动燃气轮机驱动的多级压缩机的改进的系统和方法。 该改进涉及在启动压缩机/驱动器系统的旋转之前在每个阶段隔离各个压缩级并产生正压。 单独的压缩级的隔离允许涡轮达到正常的运行速度，基本上没有来自辅助源的补充功率。

    SYSTEM FOR COMBINED CYCLE MECHANICAL DRIVE IN CRYOGENIC LIQUEFACTION PROCESSES
    64.
    发明申请
    SYSTEM FOR COMBINED CYCLE MECHANICAL DRIVE IN CRYOGENIC LIQUEFACTION PROCESSES 审中-公开
    在低温液化过程中组合循环机械驱动系统

    公开(公告)号：US20110209496A1

    公开(公告)日：2011-09-01

    申请号：US13127704

    申请日：2009-10-16

    Applicant: Lars Horlyk ,  Bjorn Harald Haukedal

    Inventor： Lars Horlyk ,  Bjorn Harald Haukedal

    IPC: F25J1/00

    CPC classification number: F25J1/0242 ,  F25J1/0022 ,  F25J1/005 ,  F25J1/0207 ,  F25J1/0279 ,  F25J1/0282 ,  F25J1/0283 ,  F25J1/0288 ,  F25J1/0289 ,  F25J1/029 ,  F25J1/0298 ,  F25J2230/20 ,  F25J2240/82

    Abstract: A system for producing liquefied and sub-cooled natural gas by means of a refrigeration assembly using a single phase gaseous refrigerant comprises at least two expanders; a compressor assembly; a heat exchanger assembly for heat absorption from natural gas; and a heat rejection assembly, in which the expanders are arranged in expander loops and the refrigerant to the respective expander is served in a compressed flow by means of the compressor assembly having compressors or compressor stages enabling adapted inlet and outlet pressures for the respective expander. According to the present the expanders and compressors assembly are assembled in two mechanically connected compressor and expander packages of which one is driven by a gas turbine and the other is driven by a steam turbine, the steam primarily being generated by exhaust gases from the gas turbine in a waste heat recovery unit, and in that the expanders and compressors assemblies are distributed between the two compressor and expander packages to optimize the steam utilization and to balance the power generated by the gas turbine and the steam turbine.

    Abstract translation: 通过使用单相气态制冷剂的制冷组件生产液化和次冷天然气的系统包括至少两个膨胀机; 压缩机总成; 用于从天然气吸热的热交换器组件; 以及散热组件，其中膨胀器布置在膨胀机回路中，并且通过具有压缩机或压缩机级的压缩机组件将制冷剂排放到相应的膨胀器中的压缩流中，从而为相应的膨胀器提供适合的入口和出口压力。 根据本发明，膨胀器和压缩机组件组装在两个机械连接的压缩机和膨胀机组件中，其中一个由燃气轮机驱动，另一个由蒸汽轮机驱动，蒸汽主要由来自燃气轮机 在废热回收单元中，并且膨胀机和压缩机组件分布在两个压缩机和膨胀机组件之间以优化蒸汽利用并平衡由燃气轮机和汽轮机产生的功率。

    METHOD AND APPARATUS FOR COOLING DOWN A CRYOGENIC HEAT EXCHANGER AND METHOD OF LIQUEFYING A HYDROCARBON STREAM
    65.
    发明申请
    METHOD AND APPARATUS FOR COOLING DOWN A CRYOGENIC HEAT EXCHANGER AND METHOD OF LIQUEFYING A HYDROCARBON STREAM 审中-公开
    用于冷却低温热交换器的方法和装置以及液化石油气流的方法

    公开(公告)号：US20100326133A1

    公开(公告)日：2010-12-30

    申请号：US12866080

    申请日：2009-02-06

    Applicant: Clive Beeby ,  Maria Isabel Parra-Calvache

    Inventor： Clive Beeby ,  Maria Isabel Parra-Calvache

    IPC: F25J1/02

    CPC classification number: F25J1/0214 ,  F25J1/0216 ,  F25J1/0238 ,  F25J1/0247 ,  F25J1/0249 ,  F25J1/0283 ,  F25J1/0287 ,  F25J1/0292 ,  F25J1/0298 ,  F25J2220/64

    Abstract: Method and apparatus for cooling down a cryogenic heat exchanger, employing a programmable controller that receives input signals representing sensor signals of one or more controlled variables in a selected process, and produces control signals to control one or more manipulated variables in the selected process. The programmable controller can execute a computer program that comprises a network of at least three modules. The modules in the network are interconnected such a trigger signal received by a second and a third module of the at least three modules corresponds to a communication signal that is generated when the first module of the at least three modules has reached a pre-determined target for that module.

    Abstract translation: 用于冷却低温热交换器的方法和装置，采用可编程控制器，可编程控制器接收代表选定过程中一个或多个受控变量的传感器信号的输入信号，并产生控制信号以控制所选过程中的一个或多个操纵变量。 可编程控制器可以执行包括至少三个模块的网络的计算机程序。 网络中的模块相互连接，由至少三个模块的第二和第三模块接收的触发信号对应于当至少三个模块的第一模块已经达到预定目标时产生的通信信号 对于该模块

    METHOD AND SYSTEM FOR REGULATION OF COOLING CAPACITY OF A COOLING SYSTEM BASED ON A GAS EXPANSION PROCESS
    66.
    发明申请
    METHOD AND SYSTEM FOR REGULATION OF COOLING CAPACITY OF A COOLING SYSTEM BASED ON A GAS EXPANSION PROCESS 有权
    基于气体膨胀过程的冷却系统的冷却能力调节方法和系统

    公开(公告)号：US20100236286A1

    公开(公告)日：2010-09-23

    申请号：US12734937

    申请日：2008-12-05

    Applicant: lnge L. Nilsen

    Inventor： lnge L. Nilsen

    IPC: F25J3/06

    CPC classification number: F25J1/0236 ,  F25B9/02 ,  F25B2400/23 ,  F25J1/0022 ,  F25J1/005 ,  F25J1/0052 ,  F25J1/0072 ,  F25J1/0082 ,  F25J1/0204 ,  F25J1/0212 ,  F25J1/0245 ,  F25J1/0249 ,  F25J1/0278 ,  F25J1/0288 ,  F25J1/0294 ,  F25J1/0298 ,  F25J2220/64 ,  F25J2240/60 ,  F25J2270/16 ,  F25J2280/02 ,  F25J2290/62

    Abstract: A method and associated system for regulation of the cooling capacity of a cooling system that uses a gas expansion cooling circuit where the cooling principle is expansion of one or more gaseous cooling medium streams from a higher pressure to a lower pressure are described, characterised by the following steps: —reducing the amount of cooling medium which is circulated in the cooling circuit (100) temporarily in that a fraction of gaseous cooling medium is pre-cooled at a higher pressure and is extracted from the cooling circuit (100), —expanding the fraction of cooled gaseous cooling medium across an expansion device (102) to a lower pressure so that at least one part of liquid cooling medium separates, —separating the liquid from the non-condensed gas for temporary storage in a storage unit (104) so that the liquid is temporarily not circulated in the otherwise closed cooling circuit (100), —thereafter to return temporarily stored gaseous cooling medium from the storage unit (104) to the cooling circuit (100) according to need, and—returning non-condensed gas and evaporated cooling medium from the storage unit (104) to a suitable location in the cooling circuit (100). A system to reduce the cooling capacity of a cooling installation based on gas expansion cooling, is also described.

    Abstract translation: 描述了一种用于调节使用气体膨胀冷却回路的冷却系统的冷却能力的方法和相关系统，其中冷却原理是将一种或多种气态冷却介质流从较高压力膨胀到较低压力，其特征在于， 以下步骤： - 减少在冷却回路（100）中循环的冷却介质的量，其中一部分气态冷却介质在较高压力下被预冷却并从冷却回路（100）中提取出来， 将冷却的气态冷却介质穿过膨胀装置（102）的分数降低到低压，使得至少一部分液体冷却介质将液体与未冷凝气体分离，以便临时存储在存储单元（104）中， 使得液体暂时不在另外封闭的冷却回路（100）中循环，然后从存储单元返回临时存储的气态冷却介质 （104）到冷却回路（100），并且将非冷凝气体和蒸发的冷却介质从储存单元（104）返回到冷却回路（100）中的适当位置。 还描述了一种降低基于气体膨胀冷却的冷却装置的冷却能力的系统。

    Anti-bogdown control system for turbine/compressor systems
    68.
    发明授权
    Anti-bogdown control system for turbine/compressor systems 有权
    用于涡轮/压缩机系统的防倒档控制系统

    公开(公告)号：US07712299B2

    公开(公告)日：2010-05-11

    申请号：US11470010

    申请日：2006-09-05

    Applicant: John R. Wolflick ,  Megan V. Evans ,  Jaleel Valappil ,  Bobby D. Martinez ,  Marc Bellomy

    Inventor： John R. Wolflick ,  Megan V. Evans ,  Jaleel Valappil ,  Bobby D. Martinez ,  Marc Bellomy

    IPC: F02G3/00

    CPC classification number: F04D27/0261 ,  F04D25/04 ,  F25J1/0022 ,  F25J1/0283 ,  F25J1/0298 ,  F25J2280/20

    Abstract: An anti-bogdown control system monitors and regulates operation of a turbine and a compressor to prevent underspeed trip of the turbine while avoiding surge of the compressor. A turbine speed controller receives a turbine speed signal and a turbine temperature signal, generates a surge margin setpoint, and regulates overfiring of the turbine. A surge margin controller associated with the compressor receives the surge margin setpoint from the turbine speed controller and receives a load signal from one or more sensors and modulates a compressor throttle valve so that the compressor operates at a surge margin that is approximately equal to the surge margin setpoint. In a system with multiple compressors driven by a single turbine, a surge margin controller is associated with each compressor.

    Abstract translation: 防倒档控制系统监测和调节涡轮机和压缩机的操作，以防止涡轮机的低速跳闸，同时避免压缩机的浪涌。 涡轮转速控制器接收涡轮转速信号和涡轮温度信号，产生浪涌余量设定点，并调节涡轮机过热。 与压缩机相关联的浪涌余量控制器接收来自涡轮转速控制器的喘振余量设定值，并接收来自一个或多个传感器的负载信号并调制压缩机节流阀，使得压缩机以大约等于浪涌的浪涌裕度 余量设定值 在具有由单个涡轮机驱动的多个压缩机的系统中，喘振裕度控制器与每个压缩机相关联。

    METHOD AND APPARATUS FOR CONTROLLING A REFRIGERANT COMPRESSOR, AND METHOD FOR COOLING A HYDROCARBON STREAM
    69.
    发明申请
    METHOD AND APPARATUS FOR CONTROLLING A REFRIGERANT COMPRESSOR, AND METHOD FOR COOLING A HYDROCARBON STREAM 审中-公开
    用于控制制冷剂压缩机的方法和装置以及用于冷却油气流的方法

    公开(公告)号：US20090188277A1

    公开(公告)日：2009-07-30

    申请号：US12262028

    申请日：2008-10-30

    Applicant: Francois Chantant ,  Sander Kaart

    Inventor： Francois Chantant ,  Sander Kaart

    IPC: F25J1/02 ,  F25B1/00 ,  F25B1/10

    CPC classification number: F25B49/02 ,  F25B2400/01 ,  F25B2400/075 ,  F25J1/0022 ,  F25J1/0052 ,  F25J1/0072 ,  F25J1/0087 ,  F25J1/0279 ,  F25J1/0294 ,  F25J1/0298

    Abstract: A refrigerant stream is passed through at least one heat exchanger to provide a first at least partially evaporated stream and a second at least partially evaporated stream. A first compressor feed stream is provided from the first partially evaporated stream, and a second compressor feed stream is provided from the second partially evaporated stream. The first compressor feed stream is passed through a first refrigerant compressor and the second compressor feed stream through a second compressor, to provide first and second compressed streams, which are combined at a common pressure. The first refrigerant compressor is controlled by heating the second at least partially evaporated stream or the second compressor feed stream, or vice versa.

    Abstract translation: 制冷剂流通过至少一个热交换器以提供第一至少部分蒸发的流和第二至少部分蒸发的流。 从第一部分蒸发的流提供第一压缩机进料流，并且从第二部分蒸发的流提供第二压缩机进料流。 第一压缩机进料流通过第一制冷剂压缩机，第二压缩机进料流通过第二压缩机，以提供第一和第二压缩流，其在一个共同的压力下组合。 通过加热第二至少部分蒸发的流或第二压缩机进料流来控制第一制冷剂压缩机，反之亦然。

    Method for efficient nonsynchronous lng production
    70.
    发明申请
    Method for efficient nonsynchronous lng production 有权
    高效非同步生产方法

    公开(公告)号：US20060283206A1

    公开(公告)日：2006-12-21

    申请号：US10569785

    申请日：2004-09-20

    Applicant: Peter Rasmussen ,  John Walter ,  Stephen Wright

    Inventor： Peter Rasmussen ,  John Walter ,  Stephen Wright

    IPC: F25B49/00 ,  F25B1/00 ,  F25J3/00

    CPC classification number: F01D15/005 ,  F01D15/10 ,  F02C7/268 ,  F04D27/0292 ,  F05D2220/76 ,  F25B2500/26 ,  F25J1/0022 ,  F25J1/0283 ,  F25J1/0287 ,  F25J1/0298 ,  F25J2280/10

    Abstract: A drive system for a refrigeration compressor such as is used in a natural gas liquefaction plant, allowing the desired compressor speed and maximum turbine efficiency to be maintained throughout varying ambient temperature conditions. A gas turbine is used with an electric starter motor with drive-through capability located on a common drive shaft between the turbine and the compressor. A variable frequency drive (VFD) is connected between the electrical power grid and the electric motor for smooth startups, but also to allow excess turbine mechanical power to be converted to electrical power by the motor operating as a generator, and delivered to the grid at the grid frequency. Pulse width modulation technology may be used to reduce harmonic distortion in the VFD's output. The starter motor also functions as a helper motor when the turbine output is insufficient to drive the compressor at the rotational speed needed to meet throughput requirements.

    Abstract translation: 用于诸如用于天然气液化设备的制冷压缩机的驱动系统，允许在变化的环境温度条件下保持期望的压缩机速度和最大涡轮效率。 燃气轮机与电动起动电动机一起使用，其具有位于涡轮机和压缩机之间的公共驱动轴上的驱动能力。 变频驱动器（VFD）连接在电力电网和电动马达之间以便顺利启动，而且还允许通过作为发电机运行的电动机将多余的涡轮机械功率转换为电力，并将其传送到电网 电网频率。 脉宽调制技术可用于减少VFD输出中的谐波失真。 当涡轮机输出不足以以满足吞吐量要求所需的转速驱动压缩机时，起动马达也用作辅助马达。

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