What is the principle for arranging the pipes inside a heating furnace?
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The differences between vertical and horizontal arrangements of tubes in a heating furnace, the differences in tube arrangement between the radiation zone and the convection zone, and the requirements for tube arrangement when using multiple feed methods
The arrangement of furnace tubes takes into account not only heat conduction but also the requirements of the manufacturing process. It is recommended to consult the book \"Tubular Heating Furnaces\", which provides information on the types of furnaces commonly used in the petrochemical industry
In a heating furnace, tubes arranged vertically should have their direction parallel to that of the heating medium; those arranged horizontally should have their direction perpendicular to the heating medium. Vertical arrangement results in lower heat exchange efficiency, but less erosion and wear on the tubes; horizontal arrangement, on the other hand, leads to greater heat exchange efficiency, though it causes more erosion and wear on the tubes. The choice should be determined based on other operational conditions. A combination of vertical and horizontal arrangements is also possible; this is provided for reference only.
This question is too broad. The difference is significant; different pipe arrangement methods have varying practical requirements.
Go to the book on regenerative heating furnaces; it contains design methods or design standards