译文：流化床干燥机性能监控

流化床干燥是一种非常有效的方法，固体颗粒的干燥。每个粒子的表面被暴露用于干燥由悬浮在空气流中，从而导致更好的热传递，并缩短干燥时间。的均匀的产品温度和均匀的干燥的产品来实现，通过连续的和彻底的混合和控制的干燥空气的入口和出口。优化干燥过程中的干燥的空气，需要准确的湿度监测。相对于温度和湿度的条件可能会有所不同。的出口空气在许多干燥过程中，特别是在制药行业中，可蒸发的溶剂和化学品具有高的水平。这需要非常稳定的传感器技术。在^苛刻的情况下，出口的流化床被认为是危险区域，需要本质安全的测量仪器。维萨拉公司广泛的产品提供了一个解决方案为^苛刻的需求。

原文：Monitoring the Fluid Bed Dryer Performance

Fluid bed drying is a very effective method of solid particle drying. The surface of each individual particle is exposed for drying by suspending it in the air flow resulting in better heat transfer and shortened drying time. A homogeneous product temperature and a uniform drying of the product are achieved through the continuous and thorough mixing and controlling of the inlet and outlet drying air.

Accurate humidity monitoring of the drying air is needed to optimize the drying process. The conditions may vary with respect to humidity and temperature. In many drying processes, especially in the pharma industry, the outlet air may have high levels of evaporated solvents and chemicals. This requires very stable sensor technology. In most demanding cases, the outlet of the fluid bed is considered a hazardous area, requiring an intrinsically safe measurement instrument.

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