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冷库如何除霜呢

更新时间: 2020-08-19 00:00:00     

1、人工扫霜,简单易行,对库温影响小,但劳动强度大,除霜不彻底,有局限性;

2、水冲霜,将冲霜水通过喷淋装置向蒸发器表面喷淋使双层融化,然后一并由排水管道排出;

3、热气融霜,利用压缩机排出的过热蒸气冷凝时放出的热量来融化蒸发器表面的双层;

4、电热融霜,利用电热元件发热对冷库来进行融霜,系统简单,操作方便,易于实现自动化,但耗电多;

5、液体冷媒除霜,制冷过程和除霜过程同时进行,在除霜期间没有附加能耗,冰霜冷量用于过冷膨胀阀前的液体制冷剂,提高制冷效率使得库温能够得到基本保持,液体冷媒温度在常温范围之内,融霜期间蒸发器温升小,对蒸发器传热的恶化作用较小。

关键词: 冷库 如何

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