METHOD AND APPARATUS FOR THE PRODUCTION OF AIR GASES BY THE CRYOGENIC SEPARATION OF AIR WITH VARIABLE LIQUID PRODUCTION AND POWER USAGE
    2.
    发明申请
    METHOD AND APPARATUS FOR THE PRODUCTION OF AIR GASES BY THE CRYOGENIC SEPARATION OF AIR WITH VARIABLE LIQUID PRODUCTION AND POWER USAGE 审中-公开
    利用可变液体生产和动力使用的空气低温分离生产空气气体的方法和设备

    公开(公告)号:WO2018005719A1

    公开(公告)日:2018-01-04

    申请号:PCT/US2017/039861

    申请日:2017-06-29

    IPC分类号: F25J3/04

    摘要: A method and apparatus for the production of air gases by the cryogenic separation of air can include the steps of sending a purified and compressed air stream to a cold box under conditions effective for cryogenically separating the air stream into oxygen and nitrogen using a system of columns, wherein the purified and compressed air stream is at a feed pressure when entering the system of columns; withdrawing the oxygen at a product pressure; delivering the oxygen at a delivery pressure to an oxygen pipeline, wherein the oxygen pipeline has a pipeline pressure; and monitoring the pipeline pressure. The method can also include a controller configured to determine whether to operate in a power savings mode or a variable liquid production mode. By operating the method in a dynamic fashion, a power savings and/or additional high value cryogenic liquids can be realized in instances in which the pipeline pressure deviates from its highest value.

    摘要翻译: 用于通过低温分离空气生产空气的方法和设备可以包括以下步骤:将净化和压缩的空气流送入冷箱,在有效将低温空气流分成 氧气和氮气,其中净化和压缩空气流在进入塔系统时处于进料压力下; 在产品压力下排出氧气; 将输送压力下的氧气输送至氧气管线,其中氧气管线具有管线压力; 并监测管道压力。 该方法还可以包括控制器,该控制器被配置为确定是以节电模式还是可变液体生产模式操作。 通过以动态方式操作该方法,可以在管道压力偏离其最高值的情况下实现功率节省和/或额外的高价值低温液体。

    METHOD AND PLANT FOR COASTAL PRODUCTION OF LIQUEFIED NATURAL GAS
    3.
    发明申请
    METHOD AND PLANT FOR COASTAL PRODUCTION OF LIQUEFIED NATURAL GAS 审中-公开
    用于沿海生产液化天然气的方法和设备

    公开(公告)号:WO2016050840A1

    公开(公告)日:2016-04-07

    申请号:PCT/EP2015/072548

    申请日:2015-09-30

    IPC分类号: F25J1/00 F25J1/02

    摘要: A method for LNG production, where natural gas is pre-treated in a pre-treatment unit to give a pre-treated gas stream mainly comprising methane, and where compounds potentially solidifying in the liquefaction process are reduced to a level lower than 50 ppm, where the pre-treated gas stream is compressed to a pressure of 100 - 300 bara, where the pre-treated and compressed gas is transferred in a subsea pipeline to a remote floating LNG liquefaction unit, where the gas transferred to the floating LNG liquefaction unit is expanded to a pressure of 40 to 100 bara, and then introduced into a LNG heat exchanger and cooled against a coolant to produce Liquefied Natural Gas (LNG), wherein the gas stream is split in two streams after being expanded and before being introduced into the LNG heat exchanger to give a first split gas stream that is introduced into the LNG heat exchanger, and a second split gas stream that is heated by heat exchanging against the incoming pressurized gas stream for cooling thereof, where the heated second gas stream is transferred to the pre-treatment unit for re-circulation to the remote floating LNG liquefaction unit, and a system using the method, are described.

    摘要翻译: 一种用于LNG生产的方法,其中天然气在预处理单元中预处理以产生主要包含甲烷的预处理气流,并且其中在液化过程中可能固化的化合物降低至低于50ppm的水平, 其中预处理气流被压缩到100-300巴的压力,其中预处理和压缩的气体在海底管道中传送到远程浮动LNG液化单元,其中气体转移到浮动LNG液化单元 膨胀至40至100巴的压力,然后引入LNG热交换器中并冷却冷却液以产生液化天然气(LNG),其中气流在膨胀之后并且在引入之前被分成两股流 所述LNG热交换器产生引入到所述LNG热交换器中的第一分离气体流,以及通过与所述进入的加压气体流热交换而被加热的第二分流气流 其中加热的第二气流被转移到预处理单元以再循环到远程浮动LNG液化单元,并且使用该方法的系统被描述。

    SYSTEM AND METHOD FOR COORDINATION AND OPTIMIZATION OF LIQUEFIED NATURAL GAS (LNG) PROCESSES
    5.
    发明申请
    SYSTEM AND METHOD FOR COORDINATION AND OPTIMIZATION OF LIQUEFIED NATURAL GAS (LNG) PROCESSES 审中-公开
    用于液化天然气(LNG)过程的协调和优化的系统和方法

    公开(公告)号:WO2007117717A2

    公开(公告)日:2007-10-18

    申请号:PCT/US2007/009111

    申请日:2007-04-13

    发明人: COWARD, Brian, A.

    摘要: A method includes, controlling a first process using a first process control system. The method also includes controlling a second process using a second process control system. The method further includes controlling the first and second process control systems together. In addition, the method includes optimizing at. least one process objective using both the first and second process control systems. The first process can be a natural gas liquids production process, and the second process can be a liquefied natural gas production process. The process objective could include at least one of : profit, natural gas liquids quantity, natural gas liquids quality, liquefied natural gas quantity, and liquefied natural gas quality.

    摘要翻译: 一种方法包括使用第一过程控制系统来控制第一过程。 该方法还包括使用第二过程控制系统来控制第二过程。 该方法还包括一起控制第一和第二过程控制系统。 另外,该方法包括优化。 至少一个使用第一和第二过程控制系统的过程目标。 第一种工艺可以是天然气液体生产工艺,第二种工艺可以是液化天然气生产工艺。 过程目标可以包括以下至少一项:利润,天然气液体数量,天然气液体质量,液化天然气数量和液化天然气质量。

    LNG PRODUCTION FACILITY
    6.
    发明申请
    LNG PRODUCTION FACILITY 审中-公开
    LNG生产设施

    公开(公告)号:WO2007112498A1

    公开(公告)日:2007-10-11

    申请号:PCT/AU2007/000427

    申请日:2007-04-02

    IPC分类号: F25J1/00 F17C5/02

    摘要: A fixed LNG production facility is described. The LNG production facility is positioned in a body of water at a production location, the facility comprising a plurality of spaced-apart modules, each module provided with plant equipment related to a pre-determined function associated with the production of LNG, and wherein at least one of the spaced-apart modules is arranged to provide a breakwater for at least one other module.

    摘要翻译: 描述了固定的LNG生产设备。 LNG生产设备位于生产地点的水体中,该设施包括多个间隔开的模块,每个模块设置有与与LNG的生产相关联的预定功能相关的工厂设备,并且其中在 至少一个间隔开的模块布置成为至少一个其他模块提供防波堤。

    COASTAL LIQUEFACTION
    9.
    发明申请
    COASTAL LIQUEFACTION 审中-公开
    沿海液化

    公开(公告)号:WO2015110443A3

    公开(公告)日:2015-10-22

    申请号:PCT/EP2015051058

    申请日:2015-01-21

    IPC分类号: F25J1/02 F25J1/00

    摘要: A method for production of liquefied natural gas (LNG) from a natural gas source, the method comprising introduction of the natural gas into a gas terminal where the gas is pre-treated, where the pre-treated natural gas is led via subsea pipelines to floating liquid natural gas production units (FLNG) offshore, each comprising one or more LNG production unit(s) where the natural gas is liquefied to give LNG and where the LNG is transferred to LNG tankers for transport to markets, wherein the pre-treatment of the gas before transfer to the FLNG comprises separation of liquefied Petroleum Gas (LPG) from the natural gas to give a LNG ready natural gas comprising > 85 % by volume methane, and

    摘要翻译: 一种用于从天然气源生产液化天然气(LNG)的方法,所述方法包括将天然气引入到气体预处理的气体终端中,其中预处理的天然气经由海底管线引导到 浮式液化天然气生产装置(FLNG),其各自包括一个或多个LNG生产单元,其中天然气被液化以提供LNG,并且其中LNG被转移到LNG油船以运输到市场,其中预处理 在转移到FLNG之前的气体包括从天然气分离液化石油气(LPG)以产生包含> 85%体积甲烷和<100ppmC5 +烃的LNG预备天然气,其中LNG预备天然气被压缩 在气体终端处的压力达到140巴或更高,在此处气体在该高压下通过海底管线输送到FLNG,并且天然气的压力降低到液化天然气液化的工作压力 在将LNG准备好的天然气引入液化的LNG生产单元之前以及LNG准备好的天然气在热交换器中相对于热介质进行冷却的情况下,在FLNG上进行。 还描述了使用本方法的LNG生产系统。

    一种气体液化方法及系统
    10.
    发明申请

    公开(公告)号:WO2015120782A1

    公开(公告)日:2015-08-20

    申请号:PCT/CN2015/072424

    申请日:2015-02-06

    申请人: 陈正洪

    发明人: 陈正洪 杨桂芳

    IPC分类号: F25J1/00

    摘要: 一种气体液化系统以及气体液化方法,该气体液化系统包括输气通道(101)、气体驱动设备(102)、按级别设置的至少两个气体液化设备(103、104、105),其中,气体驱动设备(102)用于驱动气体从输气通道(101)的进气端进入;气体液化设备(103、104、105)用于按级别的顺序对进入的气体进行液化;还包括气化设备(106),用于当任意气体液化设备(103、104、105)中的气体液化反应需要冷能时,对级别在前或级别相同、且已经得到液态气体的气体液化设备(103、104、105)的液气储存罐(103a、104a、105a)释放的液态气体进行热交换,使被释放的液态气体发生气化反应;冷能管道(107),用于将气化反应产生的冷能输送给任意气体液化设备(103、104、105),以便任意气体液化设备(103、104、105)得到冷能对气体压缩时产生的热进行热交换。该气体液化系统以及气体液化方法能够实现便捷地提供冷能以进行气体液化的目的。