Power generation from LNG
    1.
    发明授权
    Power generation from LNG 失效
    液化天然气发电

    公开(公告)号:US4995234A

    公开(公告)日:1991-02-26

    申请号:US415649

    申请日:1989-10-02

    IPC分类号: F01K25/10 F17C9/04

    摘要: LNG is pumped to high pressure, vaporized, further heated and then expanded to create rotary power that is used to generate electrical power. A reservoir of carbon dioxide at about its triple point is created in an insulated vessel to store energy in the form of refrigeration recovered from the evaporated LNG. During peak electrical power periods, liquid carbon dioxide is withdrawn therefrom, pumped to a high pressure, vaporized, further heated, and expanded to create rotary power which generates additional electrical power. The exhaust from a fuel-fired combustion turbine, connected to an electrical power generator, heats the high pressure carbon dioxide vapor. The discharge stream from the CO.sub.2 expander is cooled and at least partially returned to the vessel where vapor condenses by melting stored solid carbon dioxide. During off-peak periods, CO.sub.2 vapor is withdrawn from the reservoir and condensed to liquid by vaporizing LNG, so that use is always efficiently made of the available refrigeration from the vaporizing LNG, and valuable peak electrical power is available when needed by using the stored energy in the CO.sub.2 reservoir.

    摘要翻译: LNG被泵送到高压,蒸发,进一步加热然后膨胀以产生用于产生电力的旋转动力。 在绝热容器中形成了大约三点的二氧化碳储存器,以从蒸发的LNG回收的制冷剂的形式存储能量。 在峰值电力期间,从其中抽出液态二氧化碳,泵送到高压,蒸发,进一步加热和膨胀以产生产生附加电力的旋转动力。 连接到发电机的燃料燃烧式燃气轮机的排气加热高压二氧化碳蒸气。 来自CO 2膨胀器的排出流被冷却并且至少部分地返回到通过熔化储存的固体二氧化碳而蒸气冷凝的容器。 在非高峰时期,通过蒸发LNG从储存器中取出CO 2蒸气并冷凝成液体,从而始终有效地利用来自汽化LNG的可用制冷剂的使用,并且当需要使用所存储的有价值的峰值电力时 CO2储层中的能量。

    Apparatus and method for cooling using aqueous ice slurry
    2.
    发明授权
    Apparatus and method for cooling using aqueous ice slurry 失效
    使用水冰浆冷却的设备和方法

    公开(公告)号:US5139549A

    公开(公告)日:1992-08-18

    申请号:US680985

    申请日:1991-04-05

    IPC分类号: F24F5/00 F25D17/02

    摘要: An aqueous ice slurry is fed by a conduit from a freeze exchanger directly to one or more heat exchangers for cooling or air conditioning one of more enclosed or defined spaces. Warm water withdrawn from the heat exchangers is returned, with or without prior cooling, to the freeze exchanger to be converted into aqueous ice slurry. Warm water from the heat exchangers may be fed to a central thermal energy storage tank containing a bed of ice to cool the water and the cold water is fed to the freeze exchanger to form aqueous ice slurry. When heat exchangers have coils too small for an aqueous ice slurry to flow through the slurry is mixed with warm water from the heat exchangers to melt the ice and produce cold water which can be passed through the heat exchangers.

    摘要翻译: 水冻冰浆料通过导管从冷冻交换器直接供给到一个或多个热交换器,用于冷却或空调一个更加封闭或限定的空间。 从热交换器排出的温水在冷却或不经预先冷却的情况下返回到冷冻交换器,以转化为水冰浆。 来自热交换器的温水可以被供给到包含冰床的中央热能储存罐以冷却水,并且冷水被供给到冷冻交换器以形成水冰浆。 当热交换器的线圈太小以致水浆冰浆流过浆料时,与来自热交换器的温水混合以融化冰并产生可以通过热交换器的冷水。

    Centrifugal separator and method of separating buoyant particles from a
liquid
    3.
    发明授权
    Centrifugal separator and method of separating buoyant particles from a liquid 失效
    离心分离器和从液体中分离浮力颗粒的方法

    公开(公告)号:US4648864A

    公开(公告)日:1987-03-10

    申请号:US686592

    申请日:1984-12-26

    IPC分类号: B04B1/02 B04B11/08 F25C5/02

    摘要: A method of separating solid particles present in a liquid in which the solid particles float by subjecting the liquid to centrifugal force in a chamber thereby causing the solid particles to move radially inwardly and produce a pack of solid particles while the liquid freed of solid particles flows radially outwardly; continuously withdrawing liquid freed of solid particles from the chamber; and continuously removing solid particles from the pack.Apparatus for centrifugal separation of solid particles from a liquid in which they are buoyant, comprising a chamber adapted to be rotated about an axis; a conduit to continuously feed liquid containing the solid particles to the chamber; a conduit to continuously withdraw liquid substantially free of solid particles from the chamber; and a scraper to continuously remove solid particles from a pack of solid particles which forms in the chamber as a result of centrifugal force when the chamber is rapidly rotated.

    摘要翻译: 通过使液体在室内进行离心力来分离存在于固体颗粒浮动的液体中的固体颗粒的方法,从而使固体颗粒径向向内移动,并产生一群固体颗粒,同时不含固体颗粒的液体流动 径向向外 连续地从室中取出固体颗粒的液体; 并从包装中连续除去固体颗粒。 用于将固体颗粒与它们浮起的液体离心分离的装置,包括适于围绕轴旋转的室; 用于将含有固体颗粒的液体连续供给到腔室的导管; 用于连续抽出基本上不含固体颗粒的液体的导管; 以及刮刀,用于当腔室快速旋转时由于离心力而在腔室中形成的一群固体颗粒中连续地除去固体颗粒。

    Method and apparatus for producing ice by direct contact of a
non-hydrate producing refrigerant with water
    5.
    发明授权
    Method and apparatus for producing ice by direct contact of a non-hydrate producing refrigerant with water 失效
    通过非水合产生制冷剂与水的直接接触来制造冰的方法和装置

    公开(公告)号:US5307641A

    公开(公告)日:1994-05-03

    申请号:US973

    申请日:1993-01-06

    申请人: Richard J. Kooy

    发明人: Richard J. Kooy

    CPC分类号: F25D16/00 F25C1/00 F25D17/02

    摘要: A method comprising feeding a liquefied refrigerant selected from the group consisting of 1,1,1,2,3,3,3-heptafluoropropane; 1,1,1,2,2,3,3-heptafluoropropane; 1,1,1,2,2,3-hexafluoropropane; 1,1,1,3,3,3-hexafluoropropane; perfluorobutane; and octafluoropropane into direct contact with a volume of aqueous liquid in an enclosed ice making vessel to convert part of the aqueous liquid to ice crystals, without the formation of a water-refrigerant hydrate, by vaporizing the refrigerant by heat exchange with the aqueous liquid.

    摘要翻译: 一种方法,包括进料选自1,1,1,2,3,3,3-七氟丙烷的液化制冷剂; 1,1,1,2,2,3,3-七氟丙烷; 1,1,1,2,2,3-六氟丙烷 1,1,1,3,3,3-六氟丙烷; 全氟丁烷 和八氟丙烷与封闭的制冰容器中的一定体积的水性液体直接接触,通过与水性液体的热交换来蒸发制冷剂,将部分水性液体转化为冰晶而不形成水 - 制冷剂水合物。

    Method and apparatus for fueling vehicles with liquefied natural gas
    7.
    发明授权
    Method and apparatus for fueling vehicles with liquefied natural gas 失效
    用液化天然气燃料车辆的方法和装置

    公开(公告)号:US5325894A

    公开(公告)日:1994-07-05

    申请号:US117355

    申请日:1993-09-07

    CPC分类号: F17C5/007 F17C2250/01

    摘要: Apparatus for, and a method of, withdrawing liquefied natural gas stored in a primary insulated storage tank at a low pressure and at a temperature close to its boiling point; increasing the pressure of the withdrawn liquefied natural gas and then feeding the pressurized liquefied natural gas through a heat exchanger to warm the liquefied natural gas to a subcooled or near saturated liquid condition at a temperature of about -220.degree. F. to -126.degree. F. when at a pressure of about 50 psig to 550 psig; and feeding the said warmed and pressurized liquefied natural gas to an insulated tank on a vehicle at a refueling facility, said vehicle using liquefied natural gas as its fuel and the insulated vehicle fuel tank being adapted to safely contain and store the said liquefied natural gas in liquid form, at an approximate saturated condition at a temperature of about -220.degree. F. to -126.degree. F. and a pressure of about 50 psig to 550 psig.

    摘要翻译: 在低压和接近其沸点的温度下,储存在一次绝缘储罐中的液化天然气的装置和方法; 增加取出的液化天然气的压力,然后通过热交换器供给加压的液化天然气,以将液化的天然气在约-220°F至-126°F的温度下升温至过冷或接近饱和的液体状态 当在约50psig至550psig的压力下; 并将所述加温和加压的液化天然气供给到加油设施的车辆上的绝热罐,所述车辆使用液化天然气作为其燃料,所述隔热车辆燃料箱适于将所述液化天然气安全地储存和储存在 液体形式,在约-22°F至-126°F的温度和约50psig至550psig的压力的近似饱和条件下。