METHOD AND APPARATUS FOR PRODUCING LIQUEFIED NATURAL GAS
    7.
    发明申请
    METHOD AND APPARATUS FOR PRODUCING LIQUEFIED NATURAL GAS 审中-公开
    生产液化天然气的方法和装置

    公开(公告)号:US20110259044A1

    公开(公告)日:2011-10-27

    申请号:US12765750

    申请日:2010-04-22

    IPC分类号: F25J1/00

    摘要: Systems and methods for producing liquid natural gas from heat exchange with liquid nitrogen or air is provided. The produced liquid natural gas may be used as vehicle fuel. After heat exchange, the vaporized liquid nitrogen or air may be routed in the system to regenerate a heat exchange unit and/or a natural gas pretreatment unit. After assisting with the regeneration, the vaporized nitrogen or air may be safely vented to atmosphere. In one embodiment, a system for liquefying natural gas using a refrigerant includes a first treating unit configured to remove a contaminant from the natural gas; a first exchanger unit for liquefying the natural gas using the refrigerant; a second exchanger unit configured to receive the refrigerant from the first exchanger unit, wherein the first exchanger unit and the second exchanger unit operate on alternating cycles; a second treating unit configured to receive the refrigerant from the second exchanger unit; and a storage unit for the receiving the liquid natural gas.

    摘要翻译: 提供了与液氮或空气进行热交换来生产液态天然气的系统和方法。 生产的液态天然气可用作车辆燃料。 在热交换之后,蒸发的液氮或空气可以在系统中路由以再生热交换单元和/或天然气预处理单元。 在辅助再生之后,蒸发的氮气或空气可以安全地排放到大气中。 在一个实施例中,使用制冷剂液化天然气的系统包括:第一处理单元,构造成从天然气中去除污染物; 用于使用制冷剂液化天然气的第一交换器单元; 第二交换器单元,其被配置为从所述第一交换器单元接收所述制冷剂,其中所述第一交换器单元和所述第二交换器单元以交替循环操作; 第二处理单元,其构造成从所述第二交换器单元接收所述制冷剂; 以及用于接收液体天然气的存储单元。

    Compressor starting torque converter
    9.
    发明授权
    Compressor starting torque converter 有权
    压缩机启动变矩器

    公开(公告)号:US06463740B1

    公开(公告)日:2002-10-15

    申请号:US09637552

    申请日:2000-08-10

    IPC分类号: F16D1106

    摘要: The subject invention involves a compressor starting torque converter (CSTC) to enable starting up single-shaft gas turbine driven compressor sets, such as in a liquified natural gas (LNG) plant. The system includes a single-shaft gas turbine with an output shaft coaxially connected to the input shaft of the CSTC's torque converter, in turn whose output shaft drives the process load centrifugal compressor. The CSTC operates as a fluid coupling whereby the gas turbine and the compressor shafts are coupled via the working fluid (oil). Once the process load compressor is up to speed, a lock up device is engaged to mechanically couple the gas turbine directly to the compressor and then the torque converter is drained. The impeller and turbine wheel of the CSTC are undersized with regard to the maximum shaft power requirement of the compressor.

    摘要翻译: 本发明涉及一种压缩机启动变矩器(CSTC),以使得能够启动单轴燃气轮机驱动的压缩机组,例如在液化天然气(LNG)设备中。 该系统包括单轴燃气轮机,输出轴同轴连接到CSTC变矩器的输入轴,输出轴又驱动过程负载离心式压缩机。 CSTC作为流体联接器操作,燃气轮机和压缩机轴通过工作流体(油)联接。 一旦过程负载压缩机达到速度,则锁定装置被接合以将燃气轮机直接机械地联接到压缩机,然后扭矩变换器被排出。 关于压缩机的最大轴功率要求,CSTC的叶轮和涡轮机叶轮尺寸不足。