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Why is it necessary to install heating in the circulating water bypass of the C4 unit cooler?

2018-03-29View Original

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As the title suggests, could any expert help analyze the reason for this? Are there anyone whose C3-C5 units are in operation? Do the cooling system’s circulating water loops have water heating or steam heating? A great deal of wealth awaits your arrival.
Reply #22018-03-29
Are you referring to that small bypass? The heating is there to prevent freezing
Reply #32018-03-29
It’s a small bypass; none of the other units have insulation or heating, so why does only the C4 unit have it? What I’m emphasizing is this issue: why is it only available in C4 devices?
Reply #42018-03-29
This is installed on many circulating water pipelines in chemical processing plants. Since bypass pipelines are generally designed with a diameter of DN20-25, in areas with low temperatures, even if the bypass is slightly opened during winter, freezing can still occur. The bypass cannot be opened too wide either, as this can affect the pressure difference between the supply and return pipelines and thus impact the heat exchange efficiency; therefore, heating elements are often added to these circulating water bypass lines
Reply #52018-03-30
It can’t have been done by a design institute, right?
Reply #62018-03-31
We have created highly efficient heat exchangers that don’t even require steam – the substance is vaporized directly
Reply #72018-03-31
It’s a confusing reply; could you explain it more clearly?

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