过程分析

监测冷却塔

冷却塔在各种不同的工业领域用于从冷却循环系统中排出过程热量。

矿物沉积和腐蚀会降低效率，并导致设备部件过早磨损。除此之外，水垢或腐蚀沉积物还为有机物质和生物膜提供了平台。例如，军团杆菌定殖会导致设备部件污染和严重健康风险。为了避免代价昂贵的计划外停机，必须对成本密集型设备进行精心维护。

化工

能源

可靠的分析测量可预防停机

为防止设备部件上的矿物结垢，可加入酸（例如硫酸）来调节冷却塔中水的 pH 值。这些酸能中和或溶解冷却水中的碱性碳酸钙，从而防止产生水垢。水垢会影响热交换，并因此降低冷却设备的效率。使用 SE555 等 Memosens 传感器监测 pH 调节情况，就能最大程度降低腐蚀性影响，也能提前发现过程破裂。

冷却塔中的计量装置以可控方式供应氧化剂，确保对水和管道表面进行消毒。利用氧化还原传感器测量氧化还原电位来监测水中的氧化剂（通常是次氯酸钠）的浓度。据此可以确定完全消毒所需的消毒剂用量。在这些应用中使用专为卫生过程和无菌应用而设计的 Memosens 氧化还原传感器 SE565，其特点在于测量的精度和重复精度很高。

所谓排污的目的是通过排出矿物质富集的冷却水来降低冷却系统中的含盐量，并给系统供应含盐量很少的水。因此，自动排污需要进行电导率测量，以提供水含盐量的信息。

SE630 Memosens 传感器由耐腐蚀材料制成，用于高精度测量高达 20 mS/cm 的传导电导率。传感器设计坚固，即使在高压和高温度范围也能确保较长的使用寿命。

由于传统模拟传感器的接头通常不防水，在冷却塔等潮湿环境中使用这些传感器是一项挑战。为此，模拟产品的制造商都将连接电缆封装在传感器中，这导致用户在更换传感器时必须拔下变送器上的电缆。

Memosens 传感器则避免了这类情况，因其采用非接触方式传输测量值，完全不受湿气影响。传感器接头以感应方式在传感器和电缆之间传输数据，即使在水下也可以插入传感器工作。

采用 Memosens 技术，可在实验室内的理想条件下预先校准传感器，如此，即使未经培训的人员也能在现场轻松更换。Memosens 接头可用于 pH/氧化还原传感器、溶解氧传感器和传导式电导率传感器。建议将 Stratos 系列工业变送器用作变送器

投资回报

利用 Memosens 技术减少测量回路维护保养的时间和费用：使用 Memosens 传感器 SE555、SE565 和 SE630以及 Stratos 系列变送器，可以减少校准和更换传感器的频次，从而显著减少库存传感器的数量。此外，简化维护工作还能降低人工费用。
对冷却回路中的化学过程进行自动监测和控制，不仅能减轻成本高昂的腐蚀损害，也能减少维护所需的水和化学品用量。从而延长整个设备的使用寿命。

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监测冷却塔

监测冷却塔

可靠的分析测量可预防停机

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