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How to determine the number of groups and length of the heating coil reasonably

2021-03-08View Original

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I have a question for everyone: In storage tanks or reaction vessels, there are heating coils, and their area can be determined. However, if the coils are too long, the resistance increases significantly; therefore, it may be necessary to divide the coils into groups. But what factors determine the number of groups of heating coils as well as their length? I’ve always wanted to figure out these two issues. Some say that it’s important to keep the resistance loss low so as to achieve good heat exchange efficiency, but what level of resistance drop is considered reasonable? In other words, how many groups should the coils be divided into? What’s a suitable length for each group? I’d appreciate everyone’s advice.
Reply #22021-03-08
This is related to the difference in temperature between the flow rate, pressure, and heat exchange. If resistance is a concern, you can change from a series connection to multiple parallel groups, which will eliminate the resistance. I don’t understand what you want to do. Coil heat exchangers are mostly suitable for high-pressure heat exchange. If the overall volume is not a concern, the settings can be set arbitrarily.
Reply #32021-03-08
The “Coil Heat Exchange Doctor” software provides perfect calculations.
Reply #42021-03-08
I’m sorry, friend; maybe I didn’t explain myself clearly. I am using coil heating for storage tanks, and I want to set it up in groups. But I’m not sure how many groups would be appropriate, nor what the optimal length of the coils per group should be. Is that clear now?
Reply #52021-03-08
I’ll give it a try. Is it that perfect? I’ve never used it before:lol

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