What is the minimum distance between the center of the spiral tube bundle in a heat transfer oil furnace and the center of the flame?
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I am currently working on the design of a 2000KW heat transfer oil furnace, which uses a conventional spiral coil design. I have chosen Buderus burners with a flame diameter of 600–700 mm. What is the minimum radius for the spiral coil? What is the minimum distance between the center of the spiral coil bundle and the center of the flame? Are there any resources where I can find this information? Thank you all
Minimum radius of spiral coil = flame diameter + 200～400 mm.