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乙二醇做载冷剂使用时如何选择的密度浓度

2025-03-15 09:21:22

推荐回答（1个）

回答1：

冷库冷风机设计进出库温度为-10℃、-5℃，为防止载冷剂在换热器与制冷剂换热时凝固，
应选用凝固温度低于10℃的乙二醇溶液，取使用温度为-5℃的乙二醇溶液，其质量浓度为23.6%，
密度为1030kg/m3,比热c=3890
J/kg·K，起始凝固温度为-13℃

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