23.金属と石炭灰との界面反応が付着力変化に与える影響

概要

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In pulverized coal combustors, molten ash particles generated during combustion have possibility of adhesion on surface of heat exchanger tubes. This ash deposition layer formed plays a role for insulation surrounding the tubes. In order to prevent this problem, surface treatment technology of the tube to control the ash adhesion is tested in this study. Time change of an adhesive bond of coal ash on the metal, which is important to understand the fouling mechanism, is measured. The metal and ash composition at the interface is also observed, and the effect of the interfacial reactions on the change of the adhesive bond is discussed.
一般社団法人日本エネルギー学会の論文
2006-10-12