不同制冷剂溶解水的能力不同。氨可以溶解比它本身大许多倍的水，生成的溶液冰点比水的冰点低，因此在运转的制冷系统中不会引起结冰而堵塞通道。氟利昂很难与水溶解，烃类制冷剂也难溶解于水。例如，在25℃时，水在R134a液体中只能溶解0.11%（质量分数）。当制冷剂中的水的含量超过上述百分数时，就会有纯水存在。当温度降到0℃以下时，水就会结成冰，堵塞节流阀或毛细管的通道，形成“冰堵”，致使制冷剂不能正常工作。
... 制冷系统障碍 breakdown of the refrigerating system 冰堵 freeze-up 冰塞 ice plug ...
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... thermal barrier[航]热障;隔热层;高温带;热载体 ice barrier冰障;冰堤;冰障碍;冰堵 communication barrier沟通障碍;通信障碍 ...
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... 制冷系统故障 Breakdown of the refrigeration system 冰堵 Ice plug 脏堵 Filth blockage ...
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Thus, the water in the gas, which caused corrosion of the tubes, and the conditions helping to form ice-block were forbidden. As a result, the failure of ammonia cooler for raw gas was prevented.
彻底杜绝了原料气中的水分造成列管腐蚀和形成冰堵的可能性，达到了预防氨冷器失效的目的。
参考来源 - 原料气氨冷器失效分析及防失效设计·2,447,543篇论文数据，部分数据来源于NoteExpress
高寒地区成品油管道冰堵现象时有发生。
Pipeline ice plug phenomenon often occurs in oil product pipeline in high and cold region.
为此，提出应用集肤效应电伴热技术防治采输气管线水合物冰堵。
Therefore, it is put forward that surface action electrical heating technique is applied to prevent ice barrier in gas production and transportation pipelines.
重庆气矿的部分采输气管线在冬季不同程度地受到水合物冰堵的影响。
Part of gas production and transportation pipelines in Chongqing gas Well Area is affected to some extent by hydrate ice barrier in winter.
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