Material selection similar to that of the primary cooling air tower for sulfuric acid
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The gas enters at 320°C and is cooled to 90°C using a two-fluid spray gun for water injection; both the gas and the liquid phase flow from top to bottom. The tower is of the hollow-tube type, vertical in design, with a diameter of 1.5 m and a height of 10 m. The gas contains large amounts of sulfur dioxide, and upon water injection, sulfuric acid and sulfurous acid are formed. What material would be the most economical and stable for use in such a tower? Help needed
Titanium alloy is used; I’m not sure what the internal pressure is, but titanium and its alloys possess high strength, are corrosion-resistant, and difficult to dissolve. As for enamel’s resistance to most inorganic and organic acids, as well as its corrosion resistance, and its suitability for temperatures ranging from -30 to 240°, that’s probably not necessary to mention. You can give it some thought
The internal pressure is around 4,000 pascals. Is there any material that is cheaper than titanium alloy and still resistant to heat and corrosion?
Would lining bricks that are resistant to heat and acid work?
Could fiberglass be considered for the tower body? Has the manufacturer for the two-fluid spray gun been chosen?