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    • 7. 发明授权
    • Model steam generator
    • 型号蒸汽发生器
    • US4640233A
    • 1987-02-03
    • US636437
    • 1984-07-31
    • Robert DraperEdward H. Smith
    • Robert DraperEdward H. Smith
    • F22B37/00F22B35/00F22B37/02F22B37/30F22B37/56F22B37/26
    • F22B37/56F22B35/004F22B37/30
    • An improved model steam generator for simulating the conditions within a nuclear steam generator in order to monitor the condition of the heat exchange tubes and tubesheet of the nuclear steam generator is disclosed herein. The improved model steam generator includes a highly effective separator assembly for separating water droplets entrained within the steam flowing out of the outlet of the secondary side of the generator formed from a plurality of separator grids, each of which includes an array of semi-cylindrical deflector members. The grids are vertically stacked with the deflector members transversely disposed to the flow of steam generated by the model steam generator. Each of the parallel arrays of deflector members in each grid is angularly disposed approximately 45.degree. to the deflector members in the grids above it and below in order to provide a tortuous path for the flow of steam ascending therethrough. The separator assembly removes proportionately more water droplets from the steam generated by the model steam generator, which in turn allows it to accurately simulate the sludge accumulation characteristics of the nuclear steam generator being monitored. The model steam generator also includes a bankable condenser assembly which greatly enhances its turn-down ratio, as well as a feedwater pre-heater which allows it to accurately simulate the thermohydraulic conditions at a variety of points on the tubesheet of the nuclear steam generator.
    • 本文公开了一种改进的模型蒸汽发生器,用于模拟核蒸汽发生器内的状况,以便监测核蒸汽发生器的热交换管和管板的状况。 改进的模型蒸汽发生器包括一个高效的分离器组件,用于分离夹带在从多个分离器格栅形成的发电机的次级侧的出口流出的蒸汽中的水滴,每个分离器组件包括半圆柱形偏转器阵列 会员 栅格垂直堆叠,偏转构件横向设置在由模型蒸汽发生器产生的蒸汽流中。 每个栅格中的每个平行的导流构件阵列与其上方的栅格中的偏转构件成角度地设置大约45°,以便为通过其上升的蒸汽流提供曲折的路径。 分离器组件从模型蒸汽发生器产生的蒸汽中成比例地移除更多的水滴,这又允许其精确地模拟正在监测的核蒸汽发生器的污泥积聚特性。 模型蒸汽发生器还包括大大增强其调节比的可分级冷凝器组件以及允许其精确地模拟核蒸汽发生器管板上的各种点处的热液压条件的给水预热器。
    • 8. 发明授权
    • Model steam generator having means to facilitate inspection of sample
tubes
    • 型号蒸汽发生器具有便于检查样品管的装置
    • US4628870A
    • 1986-12-16
    • US636450
    • 1984-07-31
    • Robert DraperDonald G. Lorentz
    • Robert DraperDonald G. Lorentz
    • F22B1/16F22B35/00F22B37/56
    • F22B1/165F22B35/004F22B37/56Y10S122/14
    • A model steam generator including a system for facilitating the inspection of the sample tubes within the boiler vessel of the model generator is disclosed herein. The system includes means for detachably connecting the tubesheet from the primary and secondary sides of the boiler vessel. In the preferred embodiment, both end of the tubesheet and the abutting ends of the primary and secondary sides of the boiler vessel are circumscribed by tapered flanges. The tubesheet is detachably connected from the primary and secondary sides of the boiler vessel by means of Grayloc.RTM.-type annular clamps which are circumscribed by grooves for receiving the abutting flanges at the tubesheet joints. Additionally, the system includes a frame for suspending the secondary side of the boiler vessel, a wheeled cart having a jack for both laterally and vertically moving the primary side of the boiler vessel and the tubesheet into a clamping position onto the secondary side of the boiler vessel. The system further includes a set of threaded guide rods and sleeves for properly aligning the primary side and tubesheet with the secondary side of the generator. The detachably connectable Grayloc.RTM.-type joints between the tubesheet and the primary and secondary sides of the boiler vessel, in combination with the cart and screw jack, afford a convenient means of disassembling the boiler vessel and inspecting the sample heat exchange tubes within the model steam generator.
    • 本文公开了一种模型蒸汽发生器,其包括用于便于对模型发生器的锅炉容器内的样品管进行检查的系统。 该系统包括用于从锅炉容器的主侧和次侧可拆卸地连接管板的装置。 在优选实施例中,管板的两端和锅炉容器的主侧和副侧的邻接端由锥形凸缘限定。 管板可以通过Grayloc TM型环形夹具从锅炉容器的主侧和次侧可拆卸地连接,该环形夹具由用于接收管板接头处的邻接凸缘的槽限定。 此外,该系统包括用于悬挂锅炉容器的次级侧的框架,具有用于将锅炉容器的初级侧和管板侧向和垂直移动的夹头的轮式推车放入到锅炉的次级侧上的夹紧位置 船只。 该系统还包括一组螺纹导杆和套筒,用于使初级侧和管板与发电机的次级侧正确对准。 管板与锅炉容器的一次侧和二次侧之间的可拆卸连接的Grayloc TM型接头与推车和螺旋千斤顶组合提供了一种方便的方式来拆卸锅炉容器并检查模型内的样品热交换管 蒸汽发生器。