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What corrosion affects the inside and outside of the tube furnace tube?

What corrosion affects the inside and outside of the tube furnace tube?
quartz tube furnace
The working principle of the tube furnace is: the fuel is burned in the radiant chamber of the tube furnace (a few in a separate combustion chamber), and the heat released is mainly transferred to the furnace tube through radiant heat transfer and convective heat transfer. The working principle of the furnace.

Corrosion has the following two influences on the tubes of tube furnaces:

1. Corrosion to the medium in the tube furnace tube: sulfur corrosion, naphthenic acid corrosion, hydrogen damage, hydrogen sulfide corrosion, sulfuric acid corrosion inside and outside the tube furnace tube, etc.;

2. Medium corrosion of furnace tube: vanadium corrosion at high temperature parts and dew point corrosion at low temperature parts.


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