Two refrigeration methods are commonly used in cold storage warehouse : direct cooling of one unit to one house with freon , indirect cooling with glycol.
以往的冷库中冷源有两种方式，一种是氟利昂机组单机对单个冷库直接制冷方式，一种是乙二醇间接制冷方式。
The process simulation is performed for ethylene glycol plant by using the PROCESS simulation programme, and the unit operation model and the thermodynamic method are determined.
应用PROCESS模拟程序，对乙二醇装置进行了流程模拟计算，确定了单元操作模型及热力学方法，计算结果与国外设计数据相吻合。
However, normal production is resumed by adding a new crude oil and glycol solution separation unit to ensure the supply of glycol.
为此，增加一套原油与乙二醇水溶液分离装置，保证了乙二醇的供应量，从而维持了正常生产。
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