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    • 9. 发明授权
    • Portable cleaning apparatus and method for single pass plate and frame heat exchangers
    • 单通道和框架式热交换器的便携式清洁装置和方法
    • US06978793B1
    • 2005-12-27
    • US10443609
    • 2003-05-21
    • Kurt Krueger
    • Kurt Krueger
    • B08B9/00F28F3/08F28G9/00
    • F28F3/083F28G9/00
    • A portable apparatus and method for chemically cleaning a single pass plate and frame heat exchanger allows the cleaning solution to be uniformly distributed across the plate pack. This portable system of one pump of preferably 10-horsepower, capable of 300 gallons per minute flow through a discharge port; at least two distribution/collection tubes with apertures of predetermined diameter and predetermined placement; one reversing manifold; two bag filters; and one circulation tank with a capacity at least on the order of 150 to 200 gallons; attaches to a single pass plate and frame heat exchanger. The single pass plate and frame heat exchanger is configured with at least two removable flanges that, once removed, allow for the installation of the distribution/collection tubes. The apertures in the distribution/collection tubes are placed facing downwards depending upon the direction of the operational fluid to enhance a vacuuming effect for particle and debris removal during cleaning. The distribution/collection tubes are skewed off-center of the flanges, with an ability to be rotated in at least four different directions off-center, and generally located towards the bottom of the single pass plate and frame heat exchanger to facilitate particulate removal and uniform distribution of cleaning solution.
    • 用于化学清洗单通道和框架式热交换器的便携式设备和方法允许清洁溶液均匀地分布在板组件上。 该优选10马力的泵的便携式系统能够每分钟300加仑流过排放口; 至少两个具有预定直径和预定位置的孔的分配/收集管; 一个反向歧管; 两个袋式过滤器; 和一个容量至少在150至200加仑量级的循环罐; 连接到单程板和框架式热交换器。 单通道板和框架式热交换器配置有至少两个可移除的法兰,一旦移除,该法兰允许安装分配/收集管。 分配/收集管中的孔根据操作流体的方向朝下放置,以增强在清洁期间颗粒和碎屑去除的真空效应。 分配/收集管偏离凸缘的偏心,具有能够在离心的至少四个不同方向上旋转的能力,并且通常位于单程板和框架式热交换器的底部以便于除去颗粒,并且 清洁液均匀分布。