BURNER, AND WET BOTTOM FURNACE EQUIPPED WITH SAME

摘要

Provided are a structure for a burner having exceptional corrosion resistance, heat resistance, and wear resistance, and a wet bottom furnace equipped with the burner. The burner is provided with a burner body installed by being passed through an opening formed in the furnace wall of a wet bottom furnace that contains molten slag, and a cooling pipe arranged so as to surround the burner body while contacting the circumference of the burner body, for cooling the burner body by a cooling medium that flows through the interior. The cooling pipe and burner body surfaces, on at least the faces thereof that contact the molten slag, have formed thereon a ceramic film (21) having a thickness of 5 to 1,000 μm, inclusive, and having a contact angle of 90° or less with respect to the molten slag.