Finned tubes for air-cooled steam condensers
    1.
    发明授权
    Finned tubes for air-cooled steam condensers 失效
    风冷式蒸汽冷凝器的翅片管

    公开(公告)号:US5467816A

    公开(公告)日:1995-11-21

    申请号:US014620

    申请日:1993-02-08

    IPC分类号: F28F1/02 F28F1/30 F28F1/20

    摘要: A low cost, extended surface, finned-tube of rectangular cross-section is disclosed for use in single-row bundles of the type used in power plant air-cooled steam condensers. The steel U-shaped fins are metallurgically bonded to the steel tubes by hot-dip galvanizing; aluminum fins would be brazed on. The bottom section of the tubes that flow the condensate have a built-in freeze protection feature.

    摘要翻译: 公开了一种用于发电厂空气冷却蒸汽冷凝器中使用的类型的单列束的低成本,延伸的表面,矩形横截面的翅片管。 钢U形翅片通过热镀锌冶金结合到钢管; 铝翅片将被钎焊。 流过冷凝水管的底部有一个内置的防冻保护功能。

    In-tube fluid-channeling baffles for air-cooled vacuum steam condensers
    2.
    发明授权
    In-tube fluid-channeling baffles for air-cooled vacuum steam condensers 失效
    风冷真空蒸汽冷凝器的管内流体通道挡板

    公开(公告)号:US5056592A

    公开(公告)日:1991-10-15

    申请号:US564601

    申请日:1990-08-09

    IPC分类号: F28B1/06 F28B9/08

    摘要: A device for condensing steam, the device including a bundle of long heat-exchange tubes extending from first and lower header means to second and upper header means defining paths for the steam as it moves from the lower header means toward the upper header means and for effecting a flow of steam upwardly and a flow of steam condensate downwardly within the tubes, and new baffling installed inside some of the tubes of the bundle to channel and separate the upward bulk flow of stream and the downward bulk flow of condensate so as to prevent interaction between the two fluids that disrupts normal flow and heat transfer.

    摘要翻译: 一种用于冷凝蒸汽的装置,该装置包括从第一和下部集管装置延伸到第二和上部集管装置的一束长的热交换管,其限定当从下部集管装置向上集管装置移动时的蒸汽的路径,并且 导致蒸汽流向上流动并且蒸汽在管内向下冷凝,并且新的挡板安装在束的一些管内部,以引导和分离向上的主流体流和冷凝物向下的大量流动,以防止 两种流体之间的相互作用破坏了正常的流动和热传递。

    Air-cooled vacuum steam condenser
    3.
    发明授权
    Air-cooled vacuum steam condenser 失效
    风冷真空蒸汽冷凝器

    公开(公告)号:US4905474A

    公开(公告)日:1990-03-06

    申请号:US205095

    申请日:1988-06-13

    IPC分类号: F28B1/06 F28B9/10

    CPC分类号: F28B9/10 F28B1/06

    摘要: An improved air-cooled vacuum steam condenser in a steam turbine cycle comprising a turbine for generating mechanical power, a boiler for generating steam, a conduit arrangement coupling the boiler to the turbine and then another conduit arrangement coupling the turbine exhaust back to the boiler through steam condensing mechanism. The steam condensing mechanisms include a plurality of finned tubes through which the expanded exhaust steam may flow counter to its condensate and be condensed; a plurality of front headers at the lower ends of the condensing tubes for conveying the exhaust steam from the turbine and receiving the condensate from the finned tubes; a plurality of rear headers at the upper ends of the condensing tubes for receiving the non-condensible gasses; and means in the rear headers to remove non-condensible gasses from the rear headers.

    摘要翻译: 一种在蒸汽轮机循环中的改进的空气冷却真空蒸汽冷凝器,包括用于产生机械动力的涡轮机,用于产生蒸汽的锅炉,将锅炉连接到涡轮机的导管装置,然后将涡轮机排气通过 蒸汽冷凝机构。 蒸汽冷凝机构包括多个翅片管,膨胀的排气可以与其冷凝物相反地流动并被冷凝; 在冷凝管的下端处的多个前集管,用于输送来自涡轮机的排气蒸汽并从翅片管接收冷凝物; 在冷凝管的上端处的多个后集管,用于接收不可凝气体; 并且在后部集管中的装置,以从后部集管中除去不可凝结的气体。

    Condensing heat exchanger
    4.
    发明授权
    Condensing heat exchanger 失效
    冷凝热交换器

    公开(公告)号:US4240502A

    公开(公告)日:1980-12-23

    申请号:US94117

    申请日:1979-11-26

    摘要: There is disclosed a heat exchanger having one or more bundles of tubes through which steam or other vapor is passed and comprising horizontally arranged rows of tubes each of which is connected to a separate outlet header. Condensate from the outlet headers of each bundle is drained into a pot having individual water leg seals which isolate vapor pressure within such outlet headers from one another. The outlet headers are of generally rectangular cross section and staggered in a horizontal direction, with the lower end of each successive outlet header to be contacted by air extending below the upper end of the preceding outlet header. The tubes of each such successive row of tubes are longer than those of the preceding row to be contacted by air and extend over the upper end of the outlet header connecting with the tubes of the preceding row of tubes.

    摘要翻译: 公开了一种具有一束或多束管的热交换器,蒸汽或其它蒸气通过该管,并且包括水平布置的排管,每个管连接到单独的出口集管。 从每个束的出口集管的冷凝物被排放到具有单独的水腿密封件的罐中,其将这些出口集管内的蒸气压彼此隔离。 出口集管具有大致矩形横截面并且在水平方向上交错,每个连续的出口集管的下端将与在先前出口集管的上端下方的空气相接触。 每个这样连续的一排管的管子比前一排的管子要长,以便与空气接触,并且延伸出与前一排管子管连接的出口集管的上端。

    Air-cooled vacuum steam condenser with mixed flow bundle
    5.
    发明授权
    Air-cooled vacuum steam condenser with mixed flow bundle 失效
    风冷真空蒸汽冷凝器具有混流流束

    公开(公告)号:US5787970A

    公开(公告)日:1998-08-04

    申请号:US350420

    申请日:1994-12-06

    IPC分类号: F28B1/06 F28B9/00 F28B9/10

    摘要: There is disclosed a new and improved multi-row steam condensing bundle for use in air-cooled vacuum steam condensers employed in power plant applications and the like. Specific freeze protection design is directed to the first row of tubes in the bundle by employing blow-through steam. The excess steam that is not condensed in the first row is introduced into a second pass reflux row of tubes located in the protected warm air region of the bundle. All other tube rows in the bundle are of single pass design with divided rear headers except when the last two rows are configured in a similar two-pass arrangement that protects the exposed top tube row of the bundle from cold wind gusts. It is a mixed flow bundle design because some of the tube rows have counterflow steam and condensate while others have parallel flow.

    摘要翻译: 公开了一种用于发电厂应用中的风冷真空蒸汽冷凝器中使用的新型改进的多排蒸汽冷凝束。 特定的防冻设计通过采用吹透蒸汽针对束中的第一排管。 在第一排中未冷凝的多余的蒸汽被引入位于束的受保护的暖空气区域中的第二通道回流排的管中。 束中的所有其他管排都是具有分开的后部集管的单程设计,除非最后两排配置成类似的双向排列,以保护束的暴露顶管排免受冷风阵风的影响。 它是一种混合流束设计,因为一些管排具有逆流蒸汽和冷凝物,而另一些具有平行流。

    Air cooled vacuum steam condenser with flow-equalized mini-bundles
    6.
    发明授权
    Air cooled vacuum steam condenser with flow-equalized mini-bundles 失效
    空气冷却真空蒸汽冷凝器,流量相等的迷你束

    公开(公告)号:US5139083A

    公开(公告)日:1992-08-18

    申请号:US802608

    申请日:1991-12-05

    IPC分类号: F28B1/06 F28B9/00 F28B9/10

    摘要: There is disclosed a new and improved single-row, two-pass steam condensing bundle used for condensing steam in air-cooled vacuum steam condensers in power plant applications and the like. The new bundle is divided into a plurality of identically built mini-bundle sets. Each mini-bundle set has one centrally located 2nd-pass tube with symmetrically placed 1st-pass tubes positioned on either side of it. The steam leaving each 1st-pass tube is controlled by a flow equalizing device installed at the end of the tubes. The flow of the noncondensible gas mixture leaving each 2nd-pass tube is controlled by an individual orifice in the gas piping system. The larger the number of mini-bundle sets incorporated into the bundle, the greater its counterflow freeze protection feature.

    摘要翻译: 公开了一种用于在发电厂应用等中的空气冷却真空蒸汽冷凝器中冷凝蒸汽的新型改进的单排二通蒸汽冷凝束。 新捆绑包分为多个相同构造的迷你包集。 每个迷你束集都有一个位于中心位置的二通管,对称放置的第一通管位于其两侧。 离开每个第一通管的蒸汽由安装在管末端的均流装置控制。 离开每个二通管的不凝性气体混合物的流动由气体管道系统中的单个孔控制。 捆绑在一起的迷你束集数量越多,其逆流冻结保护功能就越大。

    Steam condensing apparatus
    7.
    发明授权
    Steam condensing apparatus 失效
    蒸汽冷凝设备

    公开(公告)号:US4296802A

    公开(公告)日:1981-10-27

    申请号:US690883

    申请日:1976-05-28

    摘要: There are disclosed four embodiments of apparatus for use in condensing steam from the turbine exhaust of a power plant or the like, each comprising a steam condenser having means for circulating cooling medium therethrough in heat exchange relation with steam from the turbine exhaust, and wet and dry cooling towers in which the cooling medium is cooled by means of ambient air.

    摘要翻译: 公开了用于冷凝来自发电厂等的涡轮机排气的蒸汽的装置的四个实施例,每个装置包括一个蒸汽冷凝器,该蒸汽冷凝器具有用于使来自涡轮机排气的蒸汽与热交换的循环冷却介质的装置, 干式冷却塔,其中冷却介质通过环境空气冷却。

    Freeze protected, air-cooled vacuum steam condensers
    9.
    发明授权
    Freeze protected, air-cooled vacuum steam condensers 失效
    冷冻保护,风冷真空蒸汽冷凝器

    公开(公告)号:US4926931A

    公开(公告)日:1990-05-22

    申请号:US409952

    申请日:1989-09-15

    IPC分类号: F28B1/06 F28B9/00 F28B9/10

    摘要: An improved steam power system comprising a turbine for converting steam energy into mechanical energy upon expansion of steam therein, a boiler for generating steam to be fed to the turbine, and a conduit arrangement coupling the boiler to the turbine input and then coupling the turbine exhaust to the boiler through air cooled steam condensing mechanisms, the condensing mechanisms including a plurality of U-shaped tubes through which the expanded steam flows and is condensed; front header means at the input ends of the tubes located in the cooler ambient air exposed regions of the tubes for receiving exhaust steam from the turbine; rear header means at the output ends of the tubes located in the warmer unexposed regions of the tubes for receiving condensate and non-condensible gasses; and means in the rear headers to remove non-condensible gasses from the rear headers, the tubes being designed and constructed to protect the tubes from freezing for lack of steam by employing a tube arrangement that flows steam from the input headers not only for its exposed single row condensing duty but for a second row as well, the second row being located in the heated and protected unexposed center of the tube bundles thus insuring an additional supply of steam from the inner rows for the exposed tubes in the top and bottom faces of the bundles which require the most protection.

    摘要翻译: 一种改进的蒸汽动力系统,包括涡轮机,用于在蒸汽膨胀时将蒸汽能量转换成机械能,用于产生要供给到涡轮的蒸汽的锅炉,以及将锅炉连接到涡轮机输入端然后将涡轮机排气 通过空气冷却蒸汽冷凝机构到锅炉,冷凝机构包括多个U形管,膨胀蒸汽通过该U形管流动并被冷凝; 位于管的冷却器环境空气暴露区域中的管子的输入端处的前集管装置,用于接收来自涡轮机的排气蒸汽; 后集管装置位于管的较暖未曝光区域中的管的输出端,用于接收冷凝物和不可冷凝气体; 并且在后集管中的装置以从后集管中移除不可凝气体,管被设计和构造成通过采用从输入集管流动蒸汽的管装置来保护管免于蒸汽冻结,不仅对于其暴露 单排冷凝功能,但是对于第二排,第二排位于管束的加热和保护的未暴露的中心中,从而确保来自内排的额外的蒸汽从暴露的管的顶面和底面 需要最多保护的捆绑包。

    Air-cooled vacuum steam condenser
    10.
    发明授权
    Air-cooled vacuum steam condenser 失效
    风冷真空蒸汽冷凝器

    公开(公告)号:US4903491A

    公开(公告)日:1990-02-27

    申请号:US206094

    申请日:1988-06-13

    IPC分类号: F28B1/06

    CPC分类号: F28B1/06

    摘要: An improved air-cooled vacuum steam condenser in a steam turbine cycle comprising a steam powered system comprising a turbine for converting steam energy into mechanical energy upon expansion of steam therein, a boiler for generating steam to be fed to the turbine, and a conduit arrangement coupling the boiler to the turbine and then recoupling the turbine exhaust to the boiler through steam condensing mechanisms, the condensing mechanisms include a plurality of finned tubes through which the expanded exhaust steam flows and is condensed; a plurality of bundle front headers at the input ends of the condensing tubes for receiving exhaust steam from the turbine; a plurality of bundle rear headers at the output ends of the condensing tubes for receiving condensate and non-condensible gasses; a plurality of vertically oriented water leg pipes, one for each bundle rear header of each bundle, coupling each rear header with a water leg manifold; a hydraulic balance device in the condensate drain system coupling the water leg manifold and a condensate storage tank, the hydraulic balance device providing the means to maintain a predetermined hydraulic pressure therein for thereby sustaining the heights of the condensate in the water leg pipes within predetermined limits for fluid sealing purposes; and means to remove non-condensible gasses from the rear headers.

    摘要翻译: 一种在蒸汽轮机循环中的改进的空气冷却真空蒸汽冷凝器,包括蒸汽动力系统,其包括用于在其中膨胀蒸汽时将蒸汽能量转换成机械能的涡轮机,用于产生要供给到涡轮机的蒸汽的锅炉,以及导管装置 将锅炉连接到涡轮机,然后通过蒸汽冷凝机构将涡轮机废气重新连接到锅炉,冷凝机构包括多个翅片管,膨胀的排气蒸汽通过该翅片管流动并被冷凝; 在所述冷凝管的输入端处的多个束前集管,用于接收来自所述涡轮的排气; 在冷凝管的输出端处的多个束后集管,用于接收冷凝物和不可冷凝气体; 多个垂直取向的水腿管,每个束的每个束后集管一个,每个后集管与水腿歧管连接; 在连接水腿歧管和冷凝水储存罐的冷凝水排放系统中的液压平衡装置,液压平衡装置提供在其中保持预定液压的装置,从而将水腿管内的冷凝物的高度维持在预定限度内 用于流体密封的目的; 并且用于从后集管中除去不可凝气体的装置。