Dual reheat topping cycle for improved energy efficiency for compressed air energy storage plants with high air storage pressure

    公开(公告)号:US09938895B2

    公开(公告)日:2018-04-10

    申请号:US14078986

    申请日:2013-11-13

    CPC classification number: F02C6/16 Y02E60/15

    Abstract: A method for operating a compressed air energy storage system is provided. The method can include compressing a process gas with a compressor train to produce a compressed process gas and storing the compressed process gas in a compressed gas storage unit. The method can also include extracting the compressed process gas from the compressed gas storage unit to an expansion assembly through a feed line. A valve assembly fluidly coupled to the feed line can be actuated to control a mass flow of the compressed process gas from the compressed gas storage unit to the expansion assembly. The method can further include heating the compressed process gas in a preheater fluidly coupled to the feed line upstream from the expansion assembly, and generating a power output with the expansion assembly.

    Turbine diaphragm drain
    2.
    发明授权

    公开(公告)号:US10697329B2

    公开(公告)日:2020-06-30

    申请号:US16306272

    申请日:2017-07-18

    Abstract: A drainage system for a stage of a turbine. The drainage system may include at least one annular recess defined in the inner surface of the casing of the turbine and configured to accumulate liquid therein. An axial slot and a radial slot may be formed in a diaphragm of the turbine, the axial slot extending between the upstream and downstream faces of the diaphragm. The drainage system may further include a tubular member including an axially extending tubular portion disposed in the axial slot and a radially extending tubular portion disposed in the radial slot. The radially extending tubular portion may be sized and configured to fluidly couple the at least one annular recess and the axially extending tubular portion, such that liquid in the at least one annular recess may be drained therefrom and discharged from the stage of the turbine via the axially extending tubular portion.

    DUAL REHEAT TOPPING CYCLE FOR IMPROVED ENERGY EFFICIENCY FOR COMPRESSED AIR ENERGY STORAGE PLANTS WITH HIGH AIR STORAGE PRESSURE
    3.
    发明申请
    DUAL REHEAT TOPPING CYCLE FOR IMPROVED ENERGY EFFICIENCY FOR COMPRESSED AIR ENERGY STORAGE PLANTS WITH HIGH AIR STORAGE PRESSURE 有权
    用于提高空气储存压缩空气能量储存植物的能源效率的双重回流循环

    公开(公告)号:US20140137563A1

    公开(公告)日:2014-05-22

    申请号:US14078986

    申请日:2013-11-13

    CPC classification number: F02C6/16 Y02E60/15

    Abstract: A method for operating a compressed air energy storage system is provided. The method can include compressing a process gas with a compressor train to produce a compressed process gas and storing the compressed process gas in a compressed gas storage unit. The method can also include extracting the compressed process gas from the compressed gas storage unit to an expansion assembly through a feed line. A valve assembly fluidly coupled to the feed line can be actuated to control a mass flow of the compressed process gas from the compressed gas storage unit to the expansion assembly. The method can further include heating the compressed process gas in a preheater fluidly coupled to the feed line upstream from the expansion assembly, and generating a power output with the expansion assembly.

    Abstract translation: 提供一种操作压缩空气能量存储系统的方法。 该方法可以包括用压缩机组压缩工艺气体以产生压缩的工艺气体并将压缩的工艺气体储存在压缩气体存储单元中。 该方法还可以包括通过进料管线将压缩的处理气体从压缩气体存储单元提取到膨胀组件。 流体耦合到进料管线的阀组件可被致动以控制压缩的工艺气体从压缩气体存储单元到扩展组件的质量流量。 该方法还可以包括将压缩的处理气体加热到预热器中,所述预热器在膨胀组件的上游与供给管线流体耦合,并且与膨胀组件产生功率输出。

    TURBINE DIAPHRAGM DRAIN
    4.
    发明申请

    公开(公告)号:US20190218941A1

    公开(公告)日:2019-07-18

    申请号:US16306272

    申请日:2017-07-18

    Abstract: A drainage system for a stage of a turbine. The drainage system may include at least one annular recess defined in the inner surface of the casing of the turbine and configured to accumulate liquid therein. An axial slot and a radial slot may be formed in a diaphragm of the turbine, the axial slot extending between the upstream and downstream faces of the diaphragm. The drainage system may further include a tubular member including an axially extending tubular portion disposed in the axial slot and a radially extending tubular portion disposed in the radial slot. The radially extending tubular portion may be sized and configured to fluidly couple the at least one annular recess and the axially extending tubular portion, such that liquid in the at least one annular recess may be drained therefrom and discharged from the stage of the turbine via the axially extending tubular portion.

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