印度某真空干燥机介绍(vats and vessels)
译文：真空架式干燥机 真空架式干燥机广泛用于制药，化工和食品加工行业的高效干燥。他们是非常有用的温度不敏感，很容易氧化的，有毒的，有吸湿性和昂贵的多尘的物料的干燥。 真空架式干燥机包括以下内容： 真空启用干燥室内部中空货架。 溶剂萃取系统（可选），管壳式换热exhanger和reciever。 真空泵连接管道和阀门。 加热系统，水/油锅炉，膨胀水箱，循环泵和连接管道和阀门。
工作原理 载该产品的托盘被放置在室中提供的货架上。之后，门被锁定。真空室暖气系统也开始了。热油/水开始内部循环以蛇形方式中的货架。由于这种结构，从货架上的托盘的传热是相当快的。的热量被传递到的产品，它在其上放置由于传导从架子上，并从上方的架子由于辐射。该产品的沸点放倒由于真空。
真空架式干燥机是在大小不等，从6盘至96盘。 双门装载较大的车型 基于plc控制的自动模式。
原文：vacuum shelf dryer vacuum shelf dryers are extensively used for efficient drying in the pharmaceutical, chemical & food process industries. they are very useful for drying temperature sensitive, easily oxidisable, toxic, hygroscopic and expensive dusty materials. the vacuum shelf dryers comprises of the following: vacuum enabled drying chamber with internal hollow shelves. solvent extraction system (optional) with shell & tube type heat exhanger and reciever. vacuum pump with interconnecting pipelines and valves. heating system with water / oil boiler, expansion tank, circulation pump and interconnecting pipelines and valves.
working principle the product laden trays are placed on the shelves provided in the chamber. after which the door is locked. the chamber is vacuumised. heating system is also started. the hot oil / water starts circulating inside the shelves in a serpentine manner. due to this configuration, the heat transfer from the shelves to the trays is quite fast. the heat is transferred to the product from the shelf on which it is placed due to conduction and from the shelf above due to radiation. the boiling point of the product is brought down considerably due to vacuum. vacuum shelf dryers are available in sizes ranging from 6 trays to 96 trays. double door loading for larger models plc based controls for automatic mode.
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