Solving the problem of freeze-up in winter vent valves
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I have a question for the experts: how can we completely eliminate the risk of breathing valves freezing over in winter? We are located in Xinjiang, where winters are extremely cold. The tanks store diesel-based substances, and these tanks need to be heated; as a result, some vapor (containing a small amount of water vapor) is released. This makes it possible for the breathing valves to freeze. Apart from using water-based heating and electric heating, are there any other solutions? I hope everyone can share their insights! Thank you.
At present, there are no other good technical solutions; steam tracing is commonly used
For electric heating, steam heating is commonly used; is it okay to paint it black? Can we add a insulated cabin?