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2017-02-10View Original

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Reply #22017-02-11

[". 管道防冻

Reply #32017-02-11

冬季排水，离地4.5米，打算接个dn 25的管排水，考虑到管防冻方面的影响，除了作伴热，加保温之外，还有什么更省事的方法？我们曾经每小时排一次水，管还冻住了后来加电伴热，好多了，最近又要加管排水，不得不考虑排水防冻方面的问题。我就想有没有不用加伴热的方法？管里面是水，管本身换热不好的管是不是就不冻了？？

Reply #42017-02-14

主要是加强保温伴热，是否可以让管里的水出来后及时排尽

Reply #52017-02-15

苦恼的是，水是可以排尽的，但是水的来源是乙炔气体中的水分，冷凝下来的，只要产气，就会有，也提醒了我一点，管水会一直有。我们把的只是管里的水。

Reply #62017-02-18

建议采取保温+电伴热方式，另外在管设计上，尽量成有一定斜度，或者考虑低点放空

Reply #72017-02-24

没有好的办法，蒸汽或电伴热就是最直接、行之有效的办法。

Reply #82017-03-03

请问，管弯曲度越大是不是越容易冻？反而是一直管就不容易冻了？

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